/* ================= =========================================================
   ROOT VARIABLES (GRADIENT AQUA & MINT THEME) - Dựa trên WEB.png
   ========================================================================== */
:root {
    /* Core Palette trích xuất từ WEB.png */
    --ye-teal-deep: #034E62;        /* Xanh teal đậm - Màu văn bản chính,label form */
    --ye-cyan-bright: #36D7EE;       /* Xanh cyan sáng - Màu nhấn Neon,metric h3 */
    --ye-teal-light: #84F7CE;        /* Xanh mint/teal nhạt - Màu tab tĩnh header */
    --ye-bg-aqua-light: #E1FAFB;    /* Xanh aqua nhạt - Nền gradient đáy */
    --ye-bg-mint-light: #F0FFF9;    /* Xanh mint nhạt - Nền gradient đỉnh */
    --ink-black: #021225;           /* Giữ Ink Black cũ cho tương phản và header nền tối */
    --white: #ffffff;

    /* Template màu mới - chỉ dùng để phối lại 3 section Homepage */
    --tpl-mint-cream: #F2FFF6;
    --tpl-tea-green: #CAFFDE;
    --tpl-sky-aqua: #25C5E9;
    --tpl-dark-cyan: #238689;
    --tpl-ink: #021225;

    /* Functional Derivatives */
    --bg-main: linear-gradient(180deg, var(--ye-bg-mint-light) 0%, var(--ye-bg-aqua-light) 100%);
    --bg-section: #ffffff;          /* Nền trắng mờ cho các Section chẵn trên nền gradient */
    --text-main: var(--ye-teal-deep);
    --text-muted: #3a5061;          /* Dark enough for WCAG AA standard */
    
    /* Shadows for depth without muddying the colors */
    --shadow-soft: 0 4px 20px rgba(3, 78, 98, 0.05); /* Cập nhật màu shadow theo teal */
    --shadow-hover: 0 10px 30px rgba(3, 78, 98, 0.15); /* Cập nhật màu shadow theo teal */

    /* Layout metrics */
    --font-family-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --spacing-xs: 4px; --spacing-sm: 8px; --spacing-md: 16px; --spacing-lg: 32px; --spacing-xl: 64px;
    --border-radius-sm: 4px; --border-radius-md: 8px; --border-radius-lg: 16px;
}

/* ================= =========================================================
   RESET & BASE
   ========================================================================== */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font-family-sans);
    line-height: 1.6;
    color: var(--text-main);
    background: var(--bg-main); /* Cập nhật nền gradient chính */
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--spacing-md); }

/* Typography - Strictly high contrast based on deep teal */
h1, h2, h3, h4 { color: var(--ye-teal-deep); margin-bottom: var(--spacing-md); line-height: 1.3; font-weight: 700; }
h1 { font-size: 3.5em; }
h2 { font-size: 2.5em; text-align: center; margin-bottom: var(--spacing-xl); }
h3 { font-size: 1.5em; color: var(--ye-teal-deep); } /* H3 tối hơn để tương phản trên nền sáng */
p { margin-bottom: var(--spacing-md); color: var(--text-muted); font-size: 1.05em; }

a { color: #25C5E9; text-decoration: none; transition: 0.3s; font-weight: 600; } /* Cyan cũ vẫn ok cho liên kết */
a:hover { color: var(--ye-cyan-bright); }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); border: 0; }

/* ================= =========================================================
   BUTTONS (Functional Hierarchy)
   ========================================================================== */
/* 1. Base (Định dạng khung xương mặc định) */
.btn {
    display: inline-flex; 
    align-items: center;
    justify-content: center;
    padding: 14px 32px; 
    border-radius: 30px;
    font-weight: 700; 
    cursor: pointer; 
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1); 
    text-transform: uppercase; 
    letter-spacing: 1.5px; 
    font-size: 0.95em; 
    border: 2px solid transparent; 
    text-align: center;
}

/* 2. NHÓM DÀNH CHO NỀN TỐI (Hero Banner, Footer, Header) */
/* Nút Neon: Nền sáng cyan, chữ tối teal -> Đập ngay vào mắt trên nền đen */
/* ==========================================================================
   UPGRADED BUTTON SYSTEM (PREMIUM DEEP-TECH FEEL)
   ========================================================================== */

/* Nút chính (Primary CTA): Khám phá sản phẩm, Đăng ký trải nghiệm */
.btn-neon {
    /* Đổ gradient từ Cyan sang Deep Teal tạo độ sâu, không dùng màu đặc */
    background: linear-gradient(135deg, var(--ye-cyan-bright) 0%, #038B98 100%); 
    color: var(--white) !important;
    border: none;
    /* Đổ bóng phát sáng viền ngoài thay vì viền cứng */
    box-shadow: 0 6px 20px rgba(3, 139, 152, 0.4);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.btn-neon:hover {
    background: linear-gradient(135deg, #51E2F5 0%, var(--ye-teal-deep) 100%);
    color: var(--white) !important;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(54, 215, 238, 0.6);
}

/* Nút phụ (Secondary CTA): Câu chuyện của chúng tôi, Liên hệ hợp tác */
.btn-outline-neon {
    /* Hiệu ứng Glassmorphism (Kính mờ) sang trọng, không tranh chấp ánh nhìn với nút chính */
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--white) !important;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: none;
}

.btn-outline-neon:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--ye-cyan-bright); /* Hover mới sáng lên cyan */
    color: var(--ye-cyan-bright) !important;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.1);
}


/* 3. NHÓM DÀNH CHO NỀN SÁNG (Các Section bên dưới Hero) */
/* Nút Dark: Nền tối teal, chữ trắng -> Cực kỳ sắc nét và tương phản cao trên nền gradient */
/* ==========================================================================
   BUTTONS FOR LIGHT BACKGROUNDS (HERO WEB.PNG & WHITE SECTIONS)
   ========================================================================== */

/* Nút chính: Tối, đậm, dứt khoát. Dùng màu Teal đậm nhất để tạo mỏ neo thị giác */
.btn-dark {
    background-color: var(--ye-teal-deep);
    color: var(--white) !important;
    border: 2px solid var(--ye-teal-deep);
    box-shadow: 0 8px 20px rgba(3, 78, 98, 0.25); /* Bóng Teal đổ xuống nền sáng */
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.btn-dark:hover {
    background-color: var(--ink-black); /* Chuyển sang đen mực khi hover để tăng độ nhấn */
    border-color: var(--ink-black);
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(2, 18, 37, 0.35);
}

/* Nút phụ: Nền trắng mờ (để chống nhiễu nếu đè lên ảnh nền nhiều chi tiết), viền đậm */
.btn-outline-dark {
    background: rgba(255, 255, 255, 0.6); /* Trắng mờ 60% để tách khỏi nền */
    backdrop-filter: blur(4px); /* Làm mờ nhẹ chi tiết ảnh nền bên dưới nút */
    -webkit-backdrop-filter: blur(4px);
    color: var(--ye-teal-deep) !important;
    border: 2px solid var(--ye-teal-deep);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.btn-outline-dark:hover {
    background-color: var(--ye-teal-deep);
    color: var(--white) !important;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(3, 78, 98, 0.25);
}

/* ================= =========================================================
   HEADER (TÁI CẤU TRÚC: BREAKOUT LOGO & NEON TABS)
   ========================================================================== */
header {
    background-color: #021225; /* Giữ Ink Black cũ để breakout layout hoạt động */
    backdrop-filter: blur(10px);
    height: 50px; /* Khóa chết chiều cao để làm mốc cho logo đè ra ngoài */
    display: flex;
    align-items: center;
    position: sticky; top: 0; z-index: 1000;
    border-bottom: 1px solid rgba(54, 215, 238, 0.2); /* Cyan sáng viền mờ */
    box-shadow: 0 4px 20px rgba(2, 18, 37, 0.9);
}

header nav { 
    display: flex; 
    justify-content: flex-end; /* Ép menu sang phải vì logo đã chiếm không gian tuyệt đối bên trái */
    align-items: center; 
    width: 100%;
    position: relative;
}

/* --- XỬ LÝ LOGO TRÀN VIỀN (BREAKOUT LAYOUT) --- */
.logo-img {
    position: absolute;
    left: var(--spacing-md);
    z-index: 1010;
}

.logo-img img { 
    height: 35px; /* Kích thước lớn đè bẹp chiều cao 70px của header */
    width: auto; 
    display: block; 
    transition: transform 0.3s ease; 
    filter: drop-shadow(0 10px 15px rgba(2, 18, 37, 0.8)); /* Đổ bóng để tách lớp logo khỏi nội dung bên dưới */
}

.logo-img:hover img { 
    transform: scale(1.05); 
}

/* --- XỬ LÝ TAB MENU --- */
header nav ul { 
    list-style: none; 
    display: flex; 
    gap: var(--spacing-lg); 
}

header nav ul li a { 
    color: var(--ye-teal-light); /* Màu mint nhạt tĩnh */
    font-weight: 600; 
    font-size: 0.95em; 
    text-transform: uppercase; 
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

/* Trạng thái Hover: Dùng màu cyan sáng để không lòa mắt và tạo phân cấp */
header nav ul li a:hover, header nav ul li a.active { 
    color: var(--ye-cyan-bright); /* Cyan sáng hover */
    text-shadow: 0 0 10px rgba(54, 215, 238, 0.6);
}

/* ================= =========================================================
   BẢN VÁ MOBILE (Chống vỡ layout do Logo khổng lồ)
   ========================================================================== */
@media (max-width: 768px) {
    header { 
        height: auto; 
        padding: 15px 0; 
    }
    header nav { 
        justify-content: center; 
        flex-direction: column; 
    }
    .logo-img { 
        position: relative; 
        left: auto; 
        top: auto; 
        margin-bottom: 15px; 
    }
    .logo-img img { 
        height: 70px; /* Thu nhỏ logo lại khi ở trên điện thoại */
        filter: none; 
    }
    header nav ul { 
        justify-content: center; 
        flex-wrap: wrap; 
        gap: 15px; 
    }
}
/* ================= =========================================================
   LAYOUTS & SECTIONS
   ========================================================================== */
section { padding: var(--spacing-xl) 0; }
/* Giờ nền chính là gradient. Nền Section chẵn nên mờ hoặc trắng mờ. */
section:nth-of-type(even) { background-color: var(--bg-section); } /* Trắng mờ */

/* ==========================================================================
   HERO SECTION (SPLIT LAYOUT & TECH VIBE)
   ========================================================================== */
/* ==========================================================================
   HERO SECTION (DEEP AQUA TECH VIBE) - Phân cấp thị giác theo ảnh mẫu
   ========================================================================== */
.deep-aqua-hero {
    position: relative;
    width: 100%;
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: var(--spacing-xl) 0;
    
    /* CHIỀU SÂU: Gradient từ Cyan nhạt ở tâm phải, chìm dần vào Teal Đậm và Đen Mực ở các góc */
    background: radial-gradient(circle at 75% 50%, rgba(54, 215, 238, 0.25) 0%, var(--ye-teal-deep) 50%, var(--ink-black) 100%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr; /* Cột chữ rộng hơn một chút để text không bị ép dòng */
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

/* --- TRÁI: TEXT CONTENT --- */
.deep-aqua-hero .hero-content {
    max-width: 650px;
    transform: translateY(30px);
}

/* Xử lý khoảng cách cho logo ảnh nếu bạn chèn vào */
.brand-tag-wrapper { margin-bottom: var(--spacing-md); }
.brand-tag {
    display: inline-block;
    letter-spacing: 8px;
    color: var(--ye-cyan-bright);
    font-weight: 800;
    text-transform: uppercase;
    font-size: 1em;
    text-shadow: 0 0 15px rgba(54, 215, 238, 0.5); /* Glow nhẹ */
}

/* Chữ tiêu đề: Phải cứng cáp, góc cạnh như tech, màu trắng để nổi bật trên nền sâu */
.hero-title {
    font-size: 4.5em; /* Kích thước cực lớn */
    line-height: 1.05;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    letter-spacing: -2px;
    font-family: system-ui, -apple-system, sans-serif; 
}

/* Dòng chữ con: Đổi màu Cyan Bright để tạo điểm nhấn y hệt ảnh mẫu */
.hero-title .highlight-text {
    color: var(--ye-cyan-bright);
    font-size: 0.65em;
    letter-spacing: 2px;
    display: block;
    margin-top: 8px;
    text-transform: uppercase;
    text-shadow: 0 0 20px rgba(54, 215, 238, 0.3); /* Viền sáng mờ */
}

.hero-content .description {
    font-size: 1.15em;
    line-height: 1.6;
    color: var(--ye-bg-mint-light); /* Chữ mô tả dùng màu mint sáng để dịu mắt, không dùng màu xám */
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
    max-width: 90%;
}

/* Tích hợp Icon vào nút */
.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
}
.btn.with-icon {
    display: inline-flex;
    align-items: center;
    gap: 10px; /* Khoảng cách giữa icon và chữ */
    padding: 14px 28px;
}

/* --- PHẢI: VISUAL & IMAGE - ORBIT RINGS, NO RADAR SCAN --- */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    isolation: isolate;
}

/* Nhiều vòng sáng phía sau kính */
.tech-glow-ring {
    position: absolute;
    width: 440px;
    height: 440px;
    border-radius: 50%;
    z-index: 1;
    pointer-events: none;
    border: 1px solid rgba(255, 255, 255, 0.55);
    box-shadow:
        0 0 42px rgba(54, 215, 238, 0.16),
        inset 0 0 58px rgba(255, 255, 255, 0.32);
    animation: orbitRotateSlow 28s linear infinite;
}

.tech-glow-ring::before,
.tech-glow-ring::after,
.hero-visual::before,
.hero-visual::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.tech-glow-ring::before {
    inset: -42px;
    border: 2px solid transparent;
    border-top-color: rgba(54, 215, 238, 0.9);
    border-right-color: rgba(255, 255, 255, 0.35);
    border-bottom-color: rgba(132, 247, 206, 0.26);
    filter: drop-shadow(0 0 10px rgba(54, 215, 238, 0.28));
    animation: orbitRotateMedium 18s linear infinite;
}

.tech-glow-ring::after {
    inset: 34px;
    border: 1px dashed rgba(255, 255, 255, 0.55);
    border-left-color: rgba(54, 215, 238, 0.6);
    border-bottom-color: rgba(132, 247, 206, 0.35);
    animation: orbitRotateReverse 22s linear infinite;
}

.hero-visual::before {
    width: 560px;
    height: 560px;
    z-index: 0;
    border: 1px solid rgba(255, 255, 255, 0.34);
    box-shadow: inset 0 0 70px rgba(54, 215, 238, 0.08);
    animation: orbitRotateSlow 34s linear infinite reverse;
}

.hero-visual::after {
    width: 345px;
    height: 345px;
    z-index: 0;
    border: 1px solid rgba(54, 215, 238, 0.18);
    box-shadow:
        0 0 34px rgba(54, 215, 238, 0.08),
        inset 0 0 40px rgba(255, 255, 255, 0.42);
}

/* Không còn radar quét */
.radar-scan {
    display: none !important;
}

/* Bóng mềm bên dưới kính, co lại khi kính bay lên */
.hero-floating-shadow {
    position: absolute;
    z-index: 1;
    bottom: 15%;
    left: 50%;
    width: min(430px, 54vw);
    height: 34px;
    transform: translateX(-50%);
    border-radius: 50%;
    background: rgba(3, 78, 98, 0.18);
    filter: blur(18px);
    opacity: 0.62;
    pointer-events: none;
    animation: heroShadowFloat 7s ease-in-out infinite;
}

@keyframes orbitRotateSlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes orbitRotateMedium {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes orbitRotateReverse {
    from { transform: rotate(360deg); }
    to { transform: rotate(0deg); }
}

@keyframes heroEyewearFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-7px);
    }
}

@keyframes heroShadowFloat {
    0%, 100% {
        transform: translateX(-50%) scaleX(1);
        opacity: 0.62;
    }
    50% {
        transform: translateX(-50%) scaleX(0.78);
        opacity: 0.42;
    }
}

/* Ảnh kính - Giữ nguyên hiệu ứng Float nhưng tinh chỉnh bóng đổ */
.hero-product-img {
    position: relative;
    z-index: 2;
    max-width: 140%; /* Cho ảnh lớn tràn viền một chút tạo ấn tượng */
    height: auto;
    filter: drop-shadow(0 40px 50px rgba(2, 18, 37, 0.8)); /* Bóng đen đầm, tạo khối kim loại sắc nét */
    animation: hardwareFloat 6s ease-in-out infinite;
}

/* --- RESPONSIVE CHO HERO --- */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-content .description { max-width: 100%; }
    
    .hero-visual {
        order: -1; /* Đẩy ảnh kính lên trên cùng trên thiết bị di động */
        margin-bottom: var(--spacing-xl);
    }
    
    .tech-glow-ring { width: 300px; height: 300px; }
    .hero-product-img { max-width: 90%; }
}

@media (max-width: 768px) {
    .hero-content h1 { font-size: 2.8em; }
    .hero-buttons { flex-direction: column; width: 100%; }
    .hero-buttons .btn { width: 100%; }
}

.hero-content, .hero-wrapper { display: flex; flex-direction: column; align-items: center; width: 100%; }
.hero .cta-buttons, .hero-banner .cta-buttons { display: flex; gap: var(--spacing-md); z-index: 3; }

/* Product Showcase Specific */
.product-showcase { border-bottom: 1px solid var(--ye-bg-mint-light); /* Mint nhạt viền */ }
/* Layout cho Product Showcase */
.showcase-grid { 
    display: grid; 
    grid-template-columns: 1.2fr 0.8fr; 
    gap: var(--spacing-xl); 
    align-items: center; 
}

.floating-hardware {
    max-width: 100%; 
    height: auto;
    filter: drop-shadow(0 20px 30px rgba(3, 78, 98, 0.2)); /* Shadow màu teal */
    animation: hardwareFloat 4s ease-in-out infinite;
}

@keyframes hardwareFloat { 
    0% { transform: translateY(0px); } 
    50% { transform: translateY(-15px); } 
    100% { transform: translateY(0px); } 
}

@media (max-width: 768px) {
    .showcase-grid { 
        grid-template-columns: 1fr; 
        text-align: center; 
    }
}
/* ================= =========================================================
   COMPONENTS (Cards & Data Grids)
   ========================================================================== */
.problem-grid, .metrics-grid, .features-grid, .team-grid, .m_v_v_grid, .article-grid, .info-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--spacing-lg);
}

/* Base Card Logic - Giữ viền mint/teal nhạt */
.problem-item, .metric-item, .feature-item, .team-member, .m_v_v_item, .article-card, .info-item, .faq-item {
    background-color: var(--white);
    border: 1px solid var(--ye-bg-mint-light); /* Mint nhạt viền */
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-soft);
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.problem-item:hover, .feature-item:hover, .article-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--ye-cyan-bright); /* Cyan sáng viền hover */
}

/* Bullet points inside cards - Cyan cũ ok */
.problem-item ul, .m_v_v_item ul, .partner-type-item ul { list-style: none; padding-left: 0; }
.problem-item ul li, .m_v_v_item ul li, .partner-type-item ul li { position: relative; padding-left: 20px; margin-bottom: 8px; color: var(--text-muted); }
.problem-item ul li::before, .m_v_v_item ul li::before, .partner-type-item ul li::before { content: '•'; color: #25C5E9; position: absolute; left: 0; font-weight: bold; } /* Cyan cũ viền bullet */

/* Metric specific - Cyan sáng h3 */
.metric-item h3 { font-size: 3.5em; color: var(--ye-cyan-bright); margin-bottom: var(--spacing-sm); text-align: center; } /* Cyan sáng metrics h3 */
.metric-item p { text-align: center; color: var(--text-main); font-weight: 700; font-size: 1.1em; } /* Teal đậm metrics p */

/* Workflow - Cyan cũ border, deep teal step */
.workflow { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: var(--spacing-md); }
.workflow .step {
    background-color: var(--white);
    border: 2px solid #25C5E9; /* Cyan cũ viền workflow step */
    color: #238689; /* Deep Teal cũ step chữ */
    padding: 12px 24px; border-radius: 30px; font-weight: 700;
    box-shadow: var(--shadow-soft);
}
.workflow .arrow { font-size: 1.5em; color: #25C5E9; font-weight: bold; } /* Cyan cũ arrow */

/* Forms & FAQ overrides */
/* ================= =========================================================
   FORM SYSTEM (SHARP & HIGH CONTRAST BASES ON DEEP TEAL)
   ========================================================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

/* Label: In hoa, đậm teal, tạo cảm giác hệ thống điều khiển */
.form-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--ye-teal-deep); /* Teal đậm labels form */
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85em;
}

/* Cấu trúc Input: Vuông vắn, padding rộng rãi */
.form-group input, 
.form-group textarea, 
.form-group select {
    width: 100%;
    padding: 16px 20px;
    background-color: var(--white);
    border: 2px solid rgba(3, 78, 98, 0.15); /* Viền mờ teal form input */
    border-radius: 8px; /* Độ bo góc cực nhỏ để giữ vẻ nam tính, công nghệ */
    font-family: var(--font-family-sans);
    font-size: 1em;
    color: var(--text-main); /* Teal đậm input chữ */
    transition: all 0.3s ease;
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.02);
}

/* Trạng thái Focus: Bắt sáng viền Cyan sáng, nổi bật khu vực đang nhập */
.form-group input:focus, 
.form-group textarea:focus, 
.form-group select:focus {
    outline: none;
    border-color: var(--ye-cyan-bright); /* Cyan sáng viền form focus */
    box-shadow: 0 0 0 4px rgba(54, 215, 238, 0.15); /* Halo Effect mờ cyan */
    background-color: var(--white);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}
/* Faq - Cyan sáng h3, cyan cũ p */
.faq-item { margin-bottom: var(--spacing-md); cursor: pointer; }
.faq-item h3 { font-size: 1.2em; color: var(--ye-cyan-bright); margin-bottom: 8px; } /* Cyan sáng faqs h3 */
.faq-item p { border-left: 3px solid #25C5E9; padding-left: 15px; margin-bottom: 0; } /* Cyan cũ faqs p viền */

/* ================= =========================================================
   FOOTER
   ========================================================================== */
/* ==========================================================================
   YOUR EYES FOOTER - APPLE-LIKE PREMIUM STYLE
   ========================================================================== */

.ye-footer {
    background: #f5f5f7;
    color: #6e7480;
    padding: 52px 0 32px;
    border-top: 1px solid #d2d2d7;
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "SF Pro Text",
        "SF Pro Display",
        "Segoe UI",
        Roboto,
        Arial,
        sans-serif;
    letter-spacing: -0.01em;
}

.ye-footer .container {
    max-width: 1180px;
}

/* Disclaimer */
.footer-disclaimer {
    margin: 0;
    max-width: 100%;
    font-size: 0.84rem;
    line-height: 1.75;
    font-weight: 400;
    color: #6e7480;
    letter-spacing: -0.005em;
}

/* Divider */
.footer-divider {
    width: 100%;
    height: 1px;
    margin: 28px 0;
    background: #d2d2d7;
}

/* Grid */
.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 52px;
}

/* Column title */
.footer-column h3 {
    margin-bottom: 14px;
    font-size: 0.82rem;
    line-height: 1.35;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: #1d1d1f;
    text-transform: none;
    text-align: left;
}

/* Column links */
.footer-column a {
    display: block;
    margin-bottom: 10px;
    font-size: 0.9rem;
    line-height: 1.45;
    font-weight: 400;
    color: #51545a;
    letter-spacing: -0.01em;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-column a:hover {
    color: #0071e3;
    transform: none;
}

/* Brand line */
.footer-brand-line {
    color: #777b83;
}

.footer-brand-line p {
    margin-bottom: 8px;
    font-size: 0.86rem;
    line-height: 1.55;
    font-weight: 400;
    color: #777b83;
    letter-spacing: -0.005em;
}

/* Bottom */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    margin-top: 28px;
}

/* Legal links */
.footer-legal {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
}

.footer-legal a {
    font-size: 0.84rem;
    line-height: 1.4;
    font-weight: 400;
    color: #51545a;
    letter-spacing: -0.005em;
    text-decoration: none;
}

.footer-legal a:hover {
    color: #0071e3;
}

.footer-legal span {
    width: 1px;
    height: 14px;
    background: #d2d2d7;
}

/* Country */
.footer-country {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.84rem;
    font-weight: 500;
    color: #1d1d1f;
    letter-spacing: -0.005em;
    white-space: nowrap;
}

.footer-country strong {
    font-weight: 600;
}

.footer-country span {
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 34px 42px;
    }

    .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .ye-footer {
        padding: 42px 0 28px;
    }

    .footer-disclaimer {
        font-size: 0.8rem;
        line-height: 1.7;
    }

    .footer-divider {
        margin: 24px 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .footer-column h3 {
        margin-bottom: 10px;
    }

    .footer-column a {
        margin-bottom: 8px;
    }

    .footer-legal {
        gap: 10px 14px;
    }

    .footer-legal span {
        display: none;
    }
}
/* ================= =========================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 768px) {
    h1 { font-size: 2.5em; }
    h2 { font-size: 2em; }
    header nav { flex-direction: column; }
    header nav ul { margin-top: var(--spacing-md); flex-wrap: wrap; justify-content: center; }
    
    .hero, .hero-banner { min-height: 60vh; padding-bottom: 40px; }
    .hero .cta-buttons, .hero-banner .cta-buttons { flex-direction: column; width: 100%; padding: 0 var(--spacing-md); }
    .btn { width: 100%; }
    
    .showcase-grid { grid-template-columns: 1fr; text-align: center; }
    .showcase-text h2 { text-align: center; }
    
    .workflow .arrow { display: none; }
    .workflow .step { width: 100%; text-align: center; }
}
/* ==========================================================================
   HOMEPAGE FUNNEL STRUCTURE UPDATES
   ========================================================================== */

/* Utility Classes */
.bg-white { background-color: var(--white); }
.bg-gray { background-color: #F8FAFC; }
.bg-dark { background-color: var(--ink-black); padding: 80px 0; }
.text-center { text-align: center; }
.subtitle { font-size: 1.15em; color: var(--text-muted); margin-bottom: var(--spacing-lg); }
.section-cta { margin-top: var(--spacing-xl); }

/* Hero CTAs */
.hero-ctas {
    display: flex;
    gap: var(--spacing-md);
    position: absolute;
    bottom: 10%; /* Kéo CTA xuống gần dưới cùng hero section */
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    width: 100%;
    justify-content: center;
    padding: 0 var(--spacing-md);
}

/* Section 2: Positioning (Icons Grid) */
.positioning-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-xl); align-items: center; }
.feature-icons-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}
.icon-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    color: var(--ye-teal-deep);
}
.icon-placeholder {
    font-size: 1.5em;
    background: var(--ye-bg-aqua-light);
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

/* ==========================================================================
   SECTION 3: STACKED IMAGES & MINIMAL LIST OVERRIDE
   ========================================================================== */

/* Ép 2 cột bắt đầu từ trên cùng thay vì căn giữa, tránh lệch layout khi cột trái quá cao */
.split-layout.align-start {
    align-items: flex-start;
}

/* Xử lý 2 ảnh xếp dọc */
.split-image-stacked {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.split-image-stacked img {
    width: 100%;
    /* Khóa chiều cao tối đa của mỗi ảnh để không làm cột trái dài lê thê */
    max-height: 280px; 
    object-fit: cover;
}

/* Xử lý list không khung (Minimal List) */
.minimal-list {
    display: flex;
    flex-direction: column;
    margin-top: var(--spacing-md);
}

.minimal-item {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid rgba(3, 78, 98, 0.15); /* Đường kẻ mờ phân cách */
}

.minimal-item:last-child {
    border-bottom: none; /* Bỏ đường kẻ ở item cuối */
}

.minimal-item h3 {
    font-size: 1.3em;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

/* Biến tấu số thứ tự để làm điểm nhấn thị giác thay cho Icon */
.list-number {
    color: var(--ye-cyan-bright);
    font-weight: 800;
    font-size: 1.2em;
    margin-right: 12px;
    letter-spacing: 1px;
}

.minimal-item p {
    margin: 0;
    padding-left: 45px; /* Đẩy text lùi vào bằng với mép chữ của tiêu đề */
    color: var(--text-muted);
}

/* Responsive: Đẩy ảnh lên trên khi ở màn hình nhỏ */
@media (max-width: 992px) {
    .split-image-stacked {
        order: -1;
        margin-bottom: var(--spacing-lg);
    }
    .minimal-item p {
        padding-left: 0; /* Trả lại lề chuẩn cho mobile */
    }
}

/* Section 4: Benefits (3 Columns) */
.benefit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}
.benefit-item {
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--border-radius-lg);
    border-top: 4px solid var(--ye-cyan-bright); /* Điểm nhấn viền trên */
    box-shadow: var(--shadow-soft);
}
.benefit-item h3 { color: var(--ye-teal-deep); margin-bottom: 12px; font-size: 1.4em; }

/* ==========================================================================
   IMPACT & MISSION - THE VISION THEME (ÁNH SÁNG & TIÊU CỰ)
   ========================================================================== */

.logo-tone-impact-vision {
    position: relative;
    overflow: hidden;
    min-height: 80vh;
    display: flex;
    align-items: center;
    padding: 120px 0;
    /* Nền Đen tuyền, làm nền tảng để ánh sáng nổi bật */
    background-color: #02080d;
    color: #ffffff;
    isolation: isolate;
}

/* --- HIỆU ỨNG QUÉT AI (RADAR SCAN) BÊN DƯỚI NỀN --- */
.ai-scanner-background {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at 50% 50%,
        rgba(54, 215, 238, 0.08) 0%,
        rgba(3, 78, 98, 0.03) 30%,
        transparent 60%
    );
    z-index: 1;
    pointer-events: none;
    /* Hoạt ảnh xoay chậm tạo cảm giác AI đang rà quét không gian */
    animation: radarScan 20s linear infinite;
}

@keyframes radarScan {
    0% { transform: rotate(0deg) translateY(5%); }
    50% { transform: rotate(180deg) translateY(-5%); }
    100% { transform: rotate(360deg) translateY(5%); }
}

.impact-mission-inner {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

/* --- KICKER & HEADLINE --- */
.kicker-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 32px;
}

.impact-kicker {
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
}

.logo-tone-impact-vision h2 {
    font-size: clamp(2.8rem, 5vw, 4.2rem);
    line-height: 1.15;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #ffffff;
    margin-bottom: 24px;
}

.logo-tone-impact-vision h2 .text-highlight {
    color: #36D7EE;
    text-shadow: 0 0 40px rgba(54, 215, 238, 0.5);
}

.impact-short-desc {
    font-size: 1.15rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 70px;
    font-weight: 400;
}

/* --- HIỆU ỨNG TIÊU CỰ LẤY NÉT (FOCUS DOFF) CHO METRICS --- */
.impact-metrics-focus-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: center;
    margin-bottom: 90px;
    position: relative;
    max-width: 850px;
    margin-left: auto;
    margin-right: auto;
}

.metric-col {
    position: relative;
    padding: 20px 10px;
    transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    cursor: default;
}

/* Vạch chia mờ */
.metric-col:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    transition: opacity 0.3s ease;
}

.metric-data strong {
    display: block;
    font-size: clamp(2.2rem, 3.5vw, 2.8rem);
    font-weight: 800;
    /* Dùng màu xanh sáng nhất tượng trưng cho tia sáng */
    color: #84F7CE; 
    margin-bottom: 12px;
    line-height: 1;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

.metric-data p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.5);
    transition: color 0.3s ease;
}

/* XỬ LÝ LẤY NÉT (MAGIC FOCUS) 
   Khi di chuột vào Grid, TẤT CẢ các cột sẽ mờ đi và tụt lại phía sau... */
@media (hover: hover) and (pointer: fine) {
    .impact-metrics-focus-group:hover .metric-col {
        filter: blur(4px);
        opacity: 0.3;
        transform: scale(0.95);
    }

    /* ...NGOẠI TRỪ cột đang được hover: Cột này sẽ rõ nét, phóng to và phát sáng */
    .impact-metrics-focus-group .metric-col:hover {
        filter: blur(0);
        opacity: 1;
        transform: scale(1.08);
        z-index: 10;
    }

    .impact-metrics-focus-group .metric-col:hover .metric-data strong {
        color: #36D7EE;
        text-shadow: 0 0 25px rgba(54, 215, 238, 0.8);
    }

    .impact-metrics-focus-group .metric-col:hover .metric-data p {
        color: rgba(255, 255, 255, 0.9);
    }

    /* Ẩn vạch kẻ khi đang tương tác để tránh nhiễu hình */
    .impact-metrics-focus-group:hover .metric-col::after {
        opacity: 0;
    }
}

/* --- QUOTE SECTION --- */
.impact-quote-container {
    display: inline-flex;
    align-items: flex-start;
    justify-content: center;
    gap: 16px;
    margin: 0 auto;
    position: relative;
    padding: 0 20px;
}

.quote-mark {
    font-size: 3.5rem;
    line-height: 1;
    color: rgba(54, 215, 238, 0.3); /* Làm mờ đi để không tranh chấp với text */
    font-family: Georgia, "Times New Roman", serif;
    font-weight: bold;
    margin-top: -10px;
}

.quote-text {
    font-size: clamp(1.4rem, 2.5vw, 1.8rem);
    line-height: 1.5;
    font-weight: 600;
    color: #ffffff;
    text-align: center;
    padding-top: 5px;
}

/* --- BẢN VÁ RESPONSIVE --- */
@media (max-width: 768px) {
    .logo-tone-impact-vision { padding: 80px 0; }
    
    .impact-metrics-focus-group {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-bottom: 60px;
    }

    .metric-col { padding: 10px 0; }

    .metric-col:not(:last-child)::after { display: none; }

    .impact-quote-container { flex-direction: row; }
    
    .quote-text { font-size: 1.3rem; }
}

/* ==========================================================================
   STORY PREVIEW SECTION
   Light premium, 2-column story block
   ========================================================================== */

.story-preview {
    position: relative;
    overflow: hidden;
    padding: 96px 0;
    background:
        radial-gradient(circle at 82% 18%, rgba(132, 247, 206, 0.20), transparent 34%),
        radial-gradient(circle at 14% 82%, rgba(54, 215, 238, 0.14), transparent 34%),
        linear-gradient(180deg, #fbfffd 0%, #eefdfa 52%, #e1f8fa 100%);
}

.story-preview::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(90deg, rgba(255,255,255,0.66), transparent 42%, rgba(255,255,255,0.34)),
        radial-gradient(circle at 50% 50%, rgba(54, 215, 238, 0.08), transparent 42%);
}

.story-preview-layout {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 0.45fr 0.55fr;
    gap: 64px;
    align-items: center;
}

.story-preview-image {
    position: relative;
}

.story-preview-image::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -18px;
    width: 72%;
    height: 36px;
    transform: translateX(-50%);
    border-radius: 50%;
    background: rgba(3, 78, 98, 0.14);
    filter: blur(18px);
    z-index: -1;
}

.story-preview-image img {
    width: 100%;
    height: min(620px, 72vh);
    object-fit: cover;
    display: block;
    border-radius: 34px;
    border: 1px solid rgba(255, 255, 255, 0.72);
    box-shadow:
        0 26px 70px rgba(3, 78, 98, 0.16),
        0 0 34px rgba(54, 215, 238, 0.10);
}

.story-preview-content {
    max-width: 680px;
}

.story-kicker {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
    font-size: 0.82rem;
    line-height: 1;
    font-weight: 850;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: #07849a;
}

.story-kicker::before {
    content: "";
    width: 44px;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--ye-cyan-bright), transparent);
}

.story-preview-content h2 {
    margin: 0 0 24px;
    text-align: left;
    font-size: clamp(2.6rem, 4.8vw, 4.8rem);
    line-height: 1.03;
    letter-spacing: -0.06em;
    color: #073850;
}

.story-preview-content p {
    max-width: 60ch;
    margin-bottom: 28px;
    font-size: 1.08rem;
    line-height: 1.8;
    color: #315b68;
}

.story-preview-content blockquote {
    position: relative;
    margin: 0 0 30px;
    padding: 22px 26px;
    border-left: 3px solid var(--ye-cyan-bright);
    border-radius: 0 22px 22px 0;
    background: rgba(255, 255, 255, 0.58);
    box-shadow: 0 12px 32px rgba(3, 78, 98, 0.07);
    color: #073850;
    font-size: clamp(1.2rem, 1.9vw, 1.8rem);
    line-height: 1.35;
    font-weight: 760;
    letter-spacing: -0.035em;
}

.story-preview-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: #057f96;
    font-size: 1rem;
    font-weight: 800;
    text-decoration: none;
}

.story-preview-link span {
    transition: transform 0.3s ease;
}

.story-preview-link:hover {
    color: var(--ye-cyan-bright);
}

.story-preview-link:hover span {
    transform: translateX(5px);
}

@media (max-width: 992px) {
    .story-preview {
        padding: 76px 0;
    }

    .story-preview-layout {
        grid-template-columns: 1fr;
        gap: 38px;
    }

    .story-preview-image img {
        height: 460px;
    }

    .story-preview-content {
        max-width: 100%;
    }
}

@media (max-width: 640px) {
    .story-preview {
        padding: 64px 0;
    }

    .story-preview-image img {
        height: 360px;
        border-radius: 24px;
    }

    .story-preview-content h2 {
        font-size: 2.35rem;
        line-height: 1.08;
    }

    .story-preview-content p {
        font-size: 0.98rem;
    }

    .story-preview-content blockquote {
        font-size: 1.28rem;
    }
}
/* Section 6: Partners */
.partner-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xl);
    align-items: center;
    opacity: 0.6; /* Làm mờ logo đi một chút cho sang trọng */
    filter: grayscale(100%);
    transition: all 0.3s ease;
}
.partner-logos:hover { opacity: 1; filter: grayscale(0%); }
.logo-placeholder {
    font-weight: bold;
    color: var(--text-muted);
    padding: 20px 40px;
    border: 1px dashed #ccc;
    border-radius: 8px;
}

/* News Override for Homepage */
.news-preview .article-card { text-align: left; }
.category { 
    display: inline-block; 
    font-size: 0.8em; 
    text-transform: uppercase; 
    letter-spacing: 1px; 
    color: var(--ye-cyan-bright); 
    font-weight: 700; 
    margin-bottom: 8px; 
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .positioning-grid { grid-template-columns: 1fr; text-align: center; }
    .feature-icons-grid { justify-content: center; text-align: left; }
    .benefit-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .hero-ctas { flex-direction: column; bottom: 5%; }
    .hero-ctas .btn { width: 100%; }
    .feature-icons-grid { grid-template-columns: 1fr; }
    .benefit-grid { grid-template-columns: 1fr; }
    .metrics-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
    .metrics-grid { grid-template-columns: 1fr; }
}
/* ==========================================================================
   ENHANCED LAYOUT, DEPTH & BUG FIXES
   ========================================================================== */

/* 1. Sửa Lỗi CTA Cuối Trang */
.bottom-ctas {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    align-items: center;
    margin-top: var(--spacing-lg);
    flex-wrap: wrap; /* Tránh tràn viền trên mobile */
}

/* 2. Chiều Sâu & Tương Phản (Dark/Light Modes) */
.bg-teal-deep { 
    background-color: var(--ye-teal-deep); 
    color: var(--white); 
    padding: var(--spacing-xl) 0; 
}
.text-cyan { color: var(--ye-cyan-bright) !important; }
.text-teal { color: var(--ye-teal-deep) !important; }
.text-white { color: var(--white) !important; }

/* Thẻ Card trên nền tối */
.dark-mode-card {
    background-color: rgba(2, 18, 37, 0.4) !important; /* Đen mực pha trong suốt */
    border: 1px solid rgba(54, 215, 238, 0.2) !important; /* Viền cyan mờ */
}
.dark-mode-card:hover {
    background-color: rgba(2, 18, 37, 0.8) !important;
    border-color: var(--ye-cyan-bright) !important;
}

/* 3. Layout Bất Đối Xứng (Split Layout cho Ảnh & Chữ) */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}
.reverse-layout {
    /* Đảo ngược thứ tự trên màn hình máy tính */
    direction: rtl; 
}
.reverse-layout > * {
    direction: ltr; /* Trả lại hướng chữ bình thường cho nội dung con */
}

.split-image { position: relative; }
.rounded-image {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    object-fit: cover;
}
.shadow-heavy { box-shadow: 0 20px 40px rgba(2, 18, 37, 0.2); }
.outline-cyan { border: 2px solid var(--ye-cyan-bright); padding: 5px; background: var(--white); }

.image-caption {
    font-size: 0.85em;
    color: var(--text-muted);
    text-align: center;
    margin-top: 10px;
    font-style: italic;
}

/* 4. Tinh chỉnh Grid cho gọn gàng hơn khi chia cột */
.problem-grid-compact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.benefit-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}
.benefit-list-item {
    padding-left: 20px;
    border-left: 3px solid var(--ye-cyan-bright);
}
.benefit-list-item h3 { margin-bottom: 5px; color: var(--ye-teal-deep); }
.benefit-list-item p { margin-bottom: 0; }

/* 5. Responsive cho Split Layout */
@media (max-width: 992px) {
    .split-layout { grid-template-columns: 1fr; }
    .reverse-layout { direction: ltr; } /* Hủy đảo ngược trên mobile */
    .split-image { order: -1; margin-bottom: var(--spacing-md); } /* Luôn đẩy ảnh lên trên cùng trên mobile */
}

@media (max-width: 768px) {
    .problem-grid-compact { grid-template-columns: 1fr; }
}
/* ==========================================================================
   BRAND TEXT IMAGE HANDLING (THAY THẾ CHỮ BẰNG ẢNH)
   ========================================================================== */

/* 1. Xử lý ảnh ở vị trí độc lập (Hero Brand Tag) */
.brand-tag {
    /* Đảm bảo thẻ bọc không bị các margin cũ làm méo */
    display: inline-flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.hero-brand-img {
    height: 30px; /* Chỉnh thông số này theo độ cao thực tế mà bạn muốn */
    width: auto;
    display: block;
    /* Nếu ảnh của bạn là chữ đen/tối màu và cần đổi sang Cyan/Sáng trên nền web:
       Hãy dùng công cụ tạo SVG. Đừng dùng CSS filter để ép màu ảnh PNG vì nó sẽ giảm hiệu năng hiển thị. */
}
.hero-brand-img-small {
    height: 15px;
}

/* 2. Xử lý ảnh chèn giữa dòng văn bản (Inline Image) */
.inline-brand-img {
    height: 1.2em; /* Tự động nội suy (scale) theo kích thước font chữ của thẻ P chứa nó */
    width: auto;
    vertical-align: middle; /* Căn giữa theo trục Y của dòng chữ */
    transform: translateY(-2px); /* Tinh chỉnh quang học: Đẩy nhẹ lên/xuống để đường chân chữ (baseline) khớp với text */
    display: inline-block;
    margin: 0 4px; /* Tạo khoảng trắng quang học 2 bên để không dính chặt vào chữ thật */
}

/* Responsive để ảnh không bị khổng lồ trên mobile */
@media (max-width: 768px) {
    .hero-brand-img {
        height: 20px;
    }
}
/* ==========================================================================
   PURE CSS HERO IMAGE SLIDESHOW (5 IMAGES, 3 SECONDS EACH)
   ========================================================================== */

.product-slideshow {
    position: relative;
    z-index: 3;
    width: 110%;
    aspect-ratio: 1 / 1;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: heroEyewearFloat 7s ease-in-out infinite;
}

.product-slideshow .slide {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0;
    animation: crossFade 15s infinite;
    filter:
        drop-shadow(0 18px 24px rgba(3, 78, 98, 0.16))
        drop-shadow(0 34px 48px rgba(3, 78, 98, 0.18));
}

.product-slideshow .slide:nth-child(1) { animation-delay: 0s; }
.product-slideshow .slide:nth-child(2) { animation-delay: 3s; }
.product-slideshow .slide:nth-child(3) { animation-delay: 6s; }
.product-slideshow .slide:nth-child(4) { animation-delay: 9s; }
.product-slideshow .slide:nth-child(5) { animation-delay: 12s; }

@keyframes crossFade {
    0% { opacity: 0; }
    5% { opacity: 1; }
    20% { opacity: 1; }
    25% { opacity: 0; }
    100% { opacity: 0; }
}

/* Tắt animation float cũ nếu bạn áp dụng slideshow, 
   tránh việc 2 animation đụng nhau gây giật lag trình duyệt */
.hero-product-img {
    animation: none; 
}

/* ============================================================================
   LIGHT HERO OVERRIDE - YOUR EYES
   ============================================================================ */

.deep-aqua-hero {
    position: relative;
    min-height: 90vh;
    overflow: hidden;
    isolation: isolate;
    color: var(--ye-teal-deep);
    background:
        radial-gradient(circle at 76% 42%, rgba(255, 255, 255, 0.95) 0%, rgba(218, 255, 244, 0.92) 24%, rgba(148, 239, 238, 0.68) 46%, rgba(74, 205, 222, 0.32) 68%, transparent 82%),
        radial-gradient(circle at 8% 12%, rgba(255, 255, 255, 0.85) 0%, rgba(223, 255, 252, 0.6) 32%, transparent 58%),
        linear-gradient(135deg, #f5fffc 0%, #e7fffb 35%, #c9f7f3 62%, #8debf0 100%);
}

.deep-aqua-hero::before {
    content: "";
    position: absolute;
    inset: auto -10% -28% -10%;
    height: 44%;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse at center, rgba(255, 255, 255, 0.75) 0%, rgba(85, 226, 238, 0.28) 42%, transparent 70%),
        repeating-radial-gradient(ellipse at center, rgba(255,255,255,0.32) 0 1px, transparent 2px 18px);
    opacity: 0.75;
    filter: blur(0.2px);
}

.deep-aqua-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        linear-gradient(90deg, rgba(255,255,255,0.42) 0%, transparent 28%, transparent 72%, rgba(255,255,255,0.30) 100%),
        radial-gradient(circle at 72% 45%, rgba(54, 215, 238, 0.22), transparent 45%);
}

.hero-container {
    position: relative;
    z-index: 2;
}

/* ==========================================================================
   HERO TYPOGRAPHY - CLEAN PREMIUM VERSION
   Font thanh hơn, bỏ line cứng, dùng accent line mảnh
   ========================================================================== */

.deep-aqua-hero .hero-title {
    position: relative;
    margin-bottom: 22px;
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "SF Pro Display",
        "Segoe UI",
        Roboto,
        Arial,
        sans-serif;
    font-size: clamp(3.25rem, 5.8vw, 5.9rem);
    line-height: 1.04;
    overflow: visible;
    font-weight: 700;
    letter-spacing: -0.055em;
    color: #06193A;
    text-transform: uppercase;
    text-shadow:
        0 1px 0 rgba(255, 255, 255, 0.55),
        0 16px 36px rgba(3, 78, 98, 0.08);
}

/* Dòng cyan: thanh hơn, không quá dày */
.deep-aqua-hero .hero-title .highlight-text {
    display: block;
    margin-top: 12px;
    font-size: 0.72em;
    line-height: 1.12;
    padding-bottom: 0.08em;
    font-weight: 760;
    letter-spacing: -0.045em;
    color: transparent;
    text-transform: uppercase;
    background:
        linear-gradient(
            180deg,
            #48e7f2 0%,
            #18c7df 48%,
            #078aa8 100%
        );
    -webkit-background-clip: text;
    background-clip: text;
    text-shadow: none;
    filter: drop-shadow(0 10px 18px rgba(54, 215, 238, 0.14));
}

/* Line trên */
.deep-aqua-hero .hero-title::before {
    content: "";
    display: block;
    width: 180px;
    height: 2px;
    margin-bottom: 22px;
    border-radius: 999px;

    background: linear-gradient(
        90deg,
        rgba(54, 215, 238, 0) 0%,
        rgba(54, 215, 238, 0.9) 35%,
        rgba(132, 247, 206, 0.9) 65%,
        rgba(54, 215, 238, 0) 100%
    );

    box-shadow: 0 0 18px rgba(54, 215, 238, 0.28);
}

/* Line dưới */
.deep-aqua-hero .hero-title::after {
    content: "";
    display: block;
    width: 128px;
    height: 2px;
    margin-top: 22px;
    border-radius: 999px;

    background: linear-gradient(
        90deg,
        rgba(54, 215, 238, 0) 0%,
        rgba(54, 215, 238, 0.9) 35%,
        rgba(132, 247, 206, 0.9) 65%,
        rgba(54, 215, 238, 0) 100%
    );

    box-shadow: 0 0 18px rgba(54, 215, 238, 0.28);
}

/* Mô tả thanh hơn, giống landing page công nghệ */
.deep-aqua-hero .hero-content .description {
    max-width: 650px;
    margin-top: 0;
    margin-bottom: var(--spacing-lg);
    font-size: clamp(1rem, 1.2vw, 1.16rem);
    line-height: 1.72;
    font-weight: 450;
    letter-spacing: -0.01em;
    color: #253A50;
    opacity: 0.96;
    text-shadow: none;
}

.brand-tag {
    text-shadow: 0 0 18px rgba(54, 215, 238, 0.35);
}

/* Nút Hero trên nền sáng */
.hero-buttons .btn-neon {
    background: linear-gradient(135deg, #27d6ee 0%, #21c9d4 45%, #0a93a6 100%);
    color: #ffffff !important;
    border: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow: 0 16px 34px rgba(18, 191, 224, 0.32), inset 0 1px 0 rgba(255,255,255,0.55);
}

.hero-buttons .btn-neon:hover {
    background: linear-gradient(135deg, #5beaff 0%, #28d6e8 45%, #037b8d 100%);
    box-shadow: 0 20px 42px rgba(18, 191, 224, 0.45), inset 0 1px 0 rgba(255,255,255,0.7);
}

.hero-buttons .btn-outline-neon {
    background: rgba(255, 255, 255, 0.38);
    color: var(--ye-teal-deep) !important;
    border: 1.5px solid rgba(3, 78, 98, 0.42);
    box-shadow: 0 10px 28px rgba(3, 78, 98, 0.08), inset 0 1px 0 rgba(255,255,255,0.7);
}

.hero-buttons .btn-outline-neon:hover {
    background: rgba(255, 255, 255, 0.78);
    color: #037b8d !important;
    border-color: var(--ye-cyan-bright);
    box-shadow: 0 16px 34px rgba(54, 215, 238, 0.22);
}

header {
    background: rgba(255, 255, 255, 0.78);
    box-shadow: 0 4px 22px rgba(3, 78, 98, 0.08);
    border-bottom: 1px solid rgba(54, 215, 238, 0.28);
}

header nav ul li a {
    color: #092a44;
}

header nav ul li a:hover,
header nav ul li a.active {
    color: #03aeca;
    text-shadow: none;
}

.logo-img img {
    filter:
        drop-shadow(0 2px 3px rgba(0, 45, 55, 0.42))
        drop-shadow(0 0 10px rgba(54, 215, 238, 0.38));
}

/* Logo YOUR EYES nhỏ trong hero: bỏ padding/khung */
.brand-tag {
    position: relative;
    padding: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: none !important;
}

.hero-brand-img {
    filter:
        drop-shadow(0 2px 3px rgba(0, 64, 76, 0.42))
        drop-shadow(0 0 12px rgba(54, 215, 238, 0.42));
}
/* ========================================================================== 
   SECTION 2 - COMMUNITY STORY / CHALLENGE SECTION
   Template tone: medium-deep teal, not too dark, content unchanged
   ========================================================================== */

.problems-story {
    position: relative;
    overflow: hidden;
    min-height: calc(100vh - 50px);
    display: flex;
    align-items: center;
    padding: 64px 0;
    background:
        radial-gradient(circle at 10% 14%, rgba(37, 197, 233, 0.24), transparent 34%),
        radial-gradient(circle at 88% 78%, rgba(202, 255, 222, 0.20), transparent 38%),
        linear-gradient(135deg, var(--tpl-dark-cyan) 0%, #177886 42%, #0b5a6c 74%, #07384f 100%);
}

.problems-story::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(90deg, rgba(2, 18, 37, 0.45) 0%, rgba(35, 134, 137, 0.18) 54%, rgba(37, 197, 233, 0.10) 100%),
        repeating-linear-gradient(90deg, rgba(242, 255, 246, 0.055) 0 1px, transparent 1px 92px),
        repeating-linear-gradient(0deg, rgba(242, 255, 246, 0.04) 0 1px, transparent 1px 92px);
    mask-image: linear-gradient(180deg, transparent 0%, #000 14%, #000 86%, transparent 100%);
}

.problems-story::after {
    content: "";
    position: absolute;
    right: -180px;
    top: 50%;
    width: 520px;
    height: 520px;
    transform: translateY(-50%);
    border-radius: 50%;
    border: 1px solid rgba(202, 255, 222, 0.18);
    box-shadow:
        inset 0 0 70px rgba(37, 197, 233, 0.08),
        0 0 80px rgba(37, 197, 233, 0.10);
    pointer-events: none;
}

.problems-story-layout {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: clamp(36px, 5vw, 64px);
    align-items: center;
}

.problems-story-image {
    position: relative;
}

.problems-story-image img {
    width: 100%;
    height: clamp(460px, 68vh, 620px);
    object-fit: cover;
    display: block;
    border-radius: 34px;
    border: 1px solid rgba(202, 255, 222, 0.34);
    box-shadow:
        0 34px 84px rgba(2, 18, 37, 0.34),
        0 0 46px rgba(37, 197, 233, 0.12);
}

.problems-story-image::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 34px;
    pointer-events: none;
    background:
        linear-gradient(180deg, transparent 42%, rgba(2, 18, 37, 0.42) 100%),
        linear-gradient(90deg, rgba(37, 197, 233, 0.16), transparent 46%);
}

.problems-story-content {
    max-width: 660px;
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 16px;
    font-size: 1rem;
    font-weight: 850;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--tpl-tea-green);
}

.section-kicker::before {
    content: "";
    width: 44px;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--tpl-sky-aqua), transparent);
}

.problems-story-content h2 {
    margin-bottom: 24px;
    font-size: clamp(2.6rem, 4.8vw, 4.8rem);
    line-height: 1.02;
    letter-spacing: -0.055em;
    text-align: left;
    color: var(--tpl-mint-cream);
}

.problems-story-content h2 span {
    color: var(--tpl-tea-green);
    text-shadow: 0 0 24px rgba(37, 197, 233, 0.30);
}

.problems-story-content p {
    max-width: 62ch;
    margin-bottom: 16px;
    font-size: 1.02rem;
    line-height: 1.78;
    color: rgba(242, 255, 246, 0.82);
}

.problems-story-content .story-lead {
    font-size: 1.16rem;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.94);
}

.story-link {
    margin-top: 20px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--tpl-tea-green);
    font-size: 1rem;
    font-weight: 800;
    text-decoration: none;
    letter-spacing: 0.01em;
}

.story-link span {
    transition: transform 0.3s ease;
}

.story-link:hover {
    color: var(--tpl-sky-aqua);
    text-shadow: 0 0 18px rgba(37, 197, 233, 0.34);
}

.story-link:hover span {
    transform: translateX(5px);
}

/* Responsive */
@media (max-width: 1100px) {
    .problems-story {
        min-height: auto;
        padding: 72px 0;
    }

    .problems-story-layout {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .problems-story-image img {
        height: 430px;
    }

    .problems-story-content {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .problems-story {
        padding: 64px 0;
    }

    .problems-story-image img {
        height: 340px;
        border-radius: 24px;
    }

    .problems-story-image::after {
        border-radius: 24px;
    }

    .problems-story-content h2 {
        font-size: 2.45rem;
        line-height: 1.08;
    }

    .problems-story-content p {
        font-size: 0.98rem;
    }
}

/* ==========================================================================
   PRODUCT SHOWCASE PREMIUM - CLEAN PRODUCT FOCUS
   Kính trung tâm, 4 lợi ích hai bên, không chồng chữ/ảnh
   ========================================================================== */

.product-showcase-premium {
    position: relative;
    overflow: hidden;
    min-height: calc(100vh - 50px);
    display: flex;
    align-items: center;
    padding: 52px 0 62px;
    background:
        radial-gradient(circle at 50% 42%, rgba(255,255,255,0.98) 0%, rgba(255,255,255,0.72) 22%, rgba(54,215,238,0.15) 45%, rgba(132,247,206,0.10) 64%, transparent 82%),
        radial-gradient(circle at 12% 18%, rgba(132,247,206,0.16) 0%, transparent 32%),
        radial-gradient(circle at 88% 24%, rgba(54,215,238,0.13) 0%, transparent 34%),
        linear-gradient(180deg, #fbfffd 0%, #effdfa 35%, #def8f9 68%, #c8eef0 100%);
}

.product-showcase-premium::before {
    content: "";
    position: absolute;
    inset: auto -8% -28% -8%;
    height: 40%;
    pointer-events: none;
    background:
        radial-gradient(ellipse at center, rgba(255,255,255,0.72) 0%, rgba(54,215,238,0.20) 42%, transparent 72%),
        repeating-radial-gradient(ellipse at center, rgba(255,255,255,0.30) 0 1px, transparent 2px 18px);
    opacity: 0.78;
}

.product-showcase-premium::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(255,255,255,0.36) 0%, rgba(255,255,255,0.03) 58%, rgba(3,78,98,0.07) 100%);
}

.product-showcase-premium-inner {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    text-align: center;
}

.product-kicker {
    display: inline-block;
    margin-bottom: 8px;
    font-size: 0.72rem;
    font-weight: 850;
    letter-spacing: 0.48em;
    text-transform: uppercase;
    color: #076077;
}

.product-premium-title {
    margin: 0 auto 10px;
    font-size: clamp(2.45rem, 4.2vw, 4.25rem);
    line-height: 1.02;
    letter-spacing: -0.06em;
    text-align: center;
    color: #073850;
}

.product-premium-title span {
    color: transparent;
    background: linear-gradient(90deg, #073850 0%, #12bfe0 56%, #39d7e9 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

.product-premium-subtitle {
    max-width: 740px;
    margin: 0 auto 18px;
    font-size: clamp(0.98rem, 1.25vw, 1.12rem);
    line-height: 1.65;
    color: #23495d;
    font-weight: 520;
}

/* Layout chính */
.product-orbit-stage {
    position: relative;
    display: grid;
    grid-template-columns: 280px minmax(500px, 600px) 280px;
    grid-template-rows: 150px 150px;
    gap: 18px 42px;
    align-items: center;
    justify-content: center;
    margin-top: 35px;
}

/* Kính trung tâm */
.product-premium-center {
    position: relative;
    grid-column: 2;
    grid-row: 1 / span 2;
    min-height: 340px;
    display: flex;
    align-items: center;
    justify-content: center;
    isolation: isolate;
}

.product-premium-halo {
    position: absolute;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    background:
        radial-gradient(circle,
            rgba(255,255,255,1) 0%,
            rgba(255,255,255,0.78) 18%,
            rgba(54,215,238,0.16) 44%,
            rgba(132,247,206,0.08) 64%,
            transparent 100%);
    filter: blur(10px);
    z-index: 0;
}

.product-premium-ring {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
}

.product-premium-ring.ring-1 {
    width: 360px;
    height: 360px;
    border: 1px solid rgba(255,255,255,0.72);
    box-shadow:
        0 0 34px rgba(54,215,238,0.10),
        inset 0 0 40px rgba(255,255,255,0.42);
}

.product-premium-ring.ring-2 {
    width: 455px;
    height: 455px;
    border: 1px solid rgba(54,215,238,0.22);
    border-top-color: rgba(255,255,255,0.70);
    border-right-color: rgba(132,247,206,0.36);
}

.product-premium-ring.ring-3 {
    width: 535px;
    height: 535px;
    border: 1px dashed rgba(255,255,255,0.34);
    transform: rotate(-8deg);
}

.product-premium-link {
    position: relative;
    z-index: 3;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Bóng mềm nằm dưới kính, tách khỏi ảnh để co giãn theo floating */
.product-premium-center::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 54px;
    width: min(390px, 42vw);
    height: 34px;
    transform: translateX(-50%) scaleX(1);
    border-radius: 50%;
    background:
        radial-gradient(ellipse at center,
            rgba(3, 78, 98, 0.32) 0%,
            rgba(3, 78, 98, 0.14) 42%,
            rgba(3, 78, 98, 0.02) 72%,
            transparent 100%);
    filter: blur(16px);
    opacity: 0.66;
    z-index: 2;
    pointer-events: none;
    animation: productSoftShadowFloat 8s ease-in-out infinite;
}

/* Tắt bóng cũ trong link để không bị 2 bóng chồng nhau */
.product-premium-link::after {
    display: none;
}

.product-premium-image {
    position: relative;
    z-index: 3;
    width: min(620px, 50vw);
    max-width: 100%;
    display: block;
    filter:
        drop-shadow(0 18px 30px rgba(3,78,98,0.13))
        drop-shadow(0 32px 52px rgba(3,78,98,0.15));
    animation: productEyewearFloat 8s ease-in-out infinite;
    transition: filter 0.35s ease;
    will-change: transform;
}

.product-premium-link:hover .product-premium-image {
    filter:
        drop-shadow(0 20px 34px rgba(3,78,98,0.16))
        drop-shadow(0 38px 62px rgba(3,78,98,0.19))
        drop-shadow(0 0 18px rgba(54,215,238,0.10));
}

/* Kính bay rất nhẹ 6–8px */
@keyframes productEyewearFloat {
    0%, 100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* Khi kính bay lên, bóng nhỏ lại và mờ hơn */
@keyframes productSoftShadowFloat {
    0%, 100% {
        transform: translateX(-50%) scaleX(1);
        opacity: 0.66;
        filter: blur(16px);
    }

    50% {
        transform: translateX(-50%) scaleX(0.82);
        opacity: 0.38;
        filter: blur(18px);
    }
}

/* 4 lợi ích */
.product-value {
    position: relative;
    z-index: 4;
    display: grid;
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 16px;
    align-items: center;
    min-height: 112px;
}

.value-top-left,
.value-bottom-left {
    grid-column: 1;
    justify-self: end;
    text-align: left;
}

.value-top-right,
.value-bottom-right {
    grid-column: 3;
    justify-self: start;
    text-align: left;
}

.value-top-left,
.value-top-right {
    grid-row: 1;
}

.value-bottom-left,
.value-bottom-right {
    grid-row: 2;
}

.value-icon {
    width: 66px;
    height: 66px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: #0a8fa7;
    background:
        radial-gradient(circle, rgba(255,255,255,0.98) 0%, rgba(255,255,255,0.78) 50%, rgba(54,215,238,0.15) 100%);
    border: 1px solid rgba(255,255,255,0.84);
    box-shadow:
        0 0 0 7px rgba(255,255,255,0.24),
        0 0 0 16px rgba(54,215,238,0.07),
        0 14px 30px rgba(3,78,98,0.10),
        inset 0 1px 0 rgba(255,255,255,0.82);
}

.value-icon svg {
    width: 31px;
    height: 31px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.85;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.value-copy h3 {
    margin: 0 0 7px;
    font-size: clamp(1.08rem, 1.45vw, 1.34rem);
    line-height: 1.12;
    font-weight: 850;
    letter-spacing: -0.035em;
    color: #073850;
}

.value-copy p {
    max-width: 250px;
    margin: 0;
    font-size: 0.88rem;
    line-height: 1.55;
    color: #315b68;
}

/* Connector line: không đâm vào kính */
.product-value::before {
    content: "";
    position: absolute;
    top: 50%;
    height: 1px;
    width: 70px;
    background: linear-gradient(90deg, rgba(54,215,238,0), rgba(54,215,238,0.50), rgba(255,255,255,0.76));
}

.product-value::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #35d7ee;
    box-shadow:
        0 0 0 5px rgba(54,215,238,0.13),
        0 0 18px rgba(54,215,238,0.42);
}

.value-top-left::before,
.value-bottom-left::before {
    right: -92px;
    transform: translateY(-50%);
}

.value-top-left::after,
.value-bottom-left::after {
    right: -98px;
    transform: translateY(-50%);
}

.value-top-right::before,
.value-bottom-right::before {
    left: -92px;
    transform: translateY(-50%) scaleX(-1);
}

.value-top-right::after,
.value-bottom-right::after {
    left: -98px;
    transform: translateY(-50%);
}

/* CTA */
.product-premium-cta {
    margin-top: 48px;
}

.btn-product-premium {
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 17px 18px 17px 28px;
    border-radius: 999px;
    background:
        linear-gradient(135deg, #062f43 0%, #0a6e86 48%, #22d1e7 100%);
    color: #ffffff !important;
    border: 1px solid rgba(255,255,255,0.42);
    text-decoration: none;
    font-size: 0.98rem;
    line-height: 1;
    font-weight: 850;
    letter-spacing: -0.015em;
    box-shadow:
        0 18px 40px rgba(3,78,98,0.26),
        0 0 32px rgba(54,215,238,0.16),
        inset 0 1px 0 rgba(255,255,255,0.48);
    transition: transform 0.3s ease, box-shadow 0.3s ease, filter 0.3s ease;
}

.btn-product-premium::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.24) 38%, transparent 68%);
    transform: translateX(-120%);
    transition: transform 0.65s ease;
}

.btn-product-premium:hover::before {
    transform: translateX(120%);
}

.btn-product-premium:hover {
    transform: translateY(-3px);
    filter: brightness(1.04);
    box-shadow:
        0 22px 48px rgba(3,78,98,0.32),
        0 0 38px rgba(54,215,238,0.22),
        inset 0 1px 0 rgba(255,255,255,0.58);
}

.btn-product-premium span {
    position: relative;
    z-index: 2;
}

.cta-arrow {
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.20);
    transition: transform 0.3s ease, background 0.3s ease;
}

.btn-product-premium:hover .cta-arrow {
    transform: translateX(5px);
    background: rgba(255,255,255,0.30);
}

/* Responsive */
@media (max-width: 1120px) {
    .product-showcase-premium {
        min-height: auto;
        padding: 72px 0 82px;
    }

    .product-orbit-stage {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        gap: 18px;
    }

    .product-premium-center {
        grid-column: 1;
        grid-row: auto;
        order: 1;
        min-height: 320px;
    }

    .product-value {
        grid-column: 1;
        grid-row: auto;
        justify-self: center;
        max-width: 470px;
        width: 100%;
    }

    .product-value::before,
    .product-value::after {
        display: none;
    }

    .product-premium-image {
        width: min(620px, 92vw);
    }

    .product-premium-halo {
        width: 500px;
        height: 500px;
    }
}

@media (max-width: 768px) {
    .product-showcase-premium {
        padding: 64px 0 74px;
    }

    .product-kicker {
        font-size: 0.68rem;
        letter-spacing: 0.32em;
    }

    .product-premium-title {
        font-size: 2.35rem;
        line-height: 1.08;
    }

    .product-premium-subtitle {
        font-size: 0.98rem;
        line-height: 1.65;
        margin: 0 auto 28px;
    }

    .product-premium-center {
        min-height: 230px;
    }

    .product-premium-halo {
        width: 340px;
        height: 340px;
    }

    .product-premium-ring.ring-1 {
        width: 250px;
        height: 250px;
    }

    .product-premium-ring.ring-2 {
        width: 315px;
        height: 315px;
    }

    .product-premium-ring.ring-3 {
        width: 350px;
        height: 350px;
    }

    .product-premium-image {
        width: min(96vw, 520px);
    }

    .product-value {
        grid-template-columns: 62px 1fr;
        min-height: auto;
        gap: 14px;
    }

    .value-icon {
        width: 60px;
        height: 60px;
    }

    .value-icon svg {
        width: 28px;
        height: 28px;
    }

    .value-copy h3 {
        font-size: 1.08rem;
    }

    .value-copy p {
        font-size: 0.88rem;
    }

    .btn-product-premium {
        width: 100%;
        padding: 16px 18px 16px 22px;
    }
}

/* ============================================================================
   HOMEPAGE REFRESH: IMPACT & PARTNERS
   Impact medium-dark; Partners bright; Final CTA remains the darkest
   ============================================================================ */

.impact-mission-light {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    padding: 112px 0 104px;
    background:
        radial-gradient(circle at 13% 18%, rgba(37, 197, 233, 0.25), transparent 34%),
        radial-gradient(circle at 90% 20%, rgba(202, 255, 222, 0.17), transparent 36%),
        radial-gradient(circle at 50% 100%, rgba(242, 255, 246, 0.09), transparent 44%),
        linear-gradient(145deg, #238689 0%, #176f7d 42%, #0d596a 68%, #0b3145 100%);
    color: var(--tpl-mint-cream);
}

.impact-field-lines {
    position: absolute;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background:
        linear-gradient(90deg, rgba(255,255,255,0.07), transparent 34%, rgba(255,255,255,0.05)),
        repeating-linear-gradient(90deg, rgba(242, 255, 246, 0.065) 0 1px, transparent 1px 88px),
        repeating-linear-gradient(0deg, rgba(242, 255, 246, 0.045) 0 1px, transparent 1px 88px);
    mask-image: linear-gradient(180deg, transparent 0%, #000 12%, #000 86%, transparent 100%);
}

.impact-orb {
    position: absolute;
    z-index: -1;
    pointer-events: none;
    border-radius: 999px;
    filter: blur(2px);
}

.impact-orb-left {
    left: -180px;
    bottom: -220px;
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, rgba(37, 197, 233, 0.18), transparent 68%);
}

.impact-orb-right {
    right: -220px;
    top: -220px;
    width: 560px;
    height: 560px;
    background: radial-gradient(circle, rgba(202, 255, 222, 0.18), transparent 70%);
}

.impact-shell {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(330px, 0.9fr);
    gap: clamp(34px, 6vw, 78px);
    align-items: stretch;
    margin-bottom: 32px;
}

.impact-intro {
    min-height: 420px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(28px, 5vw, 54px);
    border-radius: 38px;
    background:
        linear-gradient(145deg, rgba(2, 18, 37, 0.20), rgba(2, 18, 37, 0.06)),
        radial-gradient(circle at 8% 12%, rgba(202, 255, 222, 0.14), transparent 36%);
    border: 1px solid rgba(242, 255, 246, 0.15);
    box-shadow: 0 32px 88px rgba(2, 18, 37, 0.20);
}

.impact-kicker,
.partners-kicker,
.final-cta-kicker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-bottom: 18px;
    font-size: 0.78rem;
    line-height: 1;
    font-weight: 850;
    letter-spacing: 0.28em;
    text-transform: uppercase;
}

.impact-kicker {
    justify-content: flex-start;
    color: var(--tpl-tea-green);
}

.partners-kicker {
    color: var(--tpl-dark-cyan);
}

.impact-kicker::before,
.partners-kicker::before,
.final-cta-kicker::before {
    content: "";
    width: 44px;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--tpl-sky-aqua), transparent);
}

.impact-intro h2 {
    max-width: 840px;
    margin: 0 0 24px;
    text-align: left;
    color: #ffffff;
    font-size: clamp(2.55rem, 4.9vw, 5.1rem);
    line-height: 1.02;
    letter-spacing: -0.066em;
}

.impact-intro p {
    max-width: 66ch;
    margin: 0;
    color: rgba(242, 255, 246, 0.82);
    font-size: clamp(1rem, 1.2vw, 1.15rem);
    line-height: 1.82;
}

.mission-card {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 420px;
    padding: clamp(28px, 4vw, 42px);
    border-radius: 38px;
    background:
        linear-gradient(155deg, rgba(242, 255, 246, 0.18), rgba(202, 255, 222, 0.08)),
        radial-gradient(circle at 86% 12%, rgba(37, 197, 233, 0.24), transparent 42%);
    border: 1px solid rgba(202, 255, 222, 0.24);
    box-shadow: 0 34px 88px rgba(2, 18, 37, 0.24);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.mission-card::after {
    content: "";
    position: absolute;
    right: -54px;
    bottom: -54px;
    width: 210px;
    height: 210px;
    border-radius: 50%;
    border: 1px solid rgba(202, 255, 222, 0.24);
    box-shadow: inset 0 0 42px rgba(37, 197, 233, 0.11);
}

.mission-card > span {
    position: relative;
    z-index: 2;
    display: inline-flex;
    width: max-content;
    padding: 10px 14px;
    margin-bottom: 26px;
    border-radius: 999px;
    background: rgba(202, 255, 222, 0.12);
    color: var(--tpl-tea-green);
    font-size: 0.72rem;
    font-weight: 850;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.mission-card h3 {
    position: relative;
    z-index: 2;
    margin: 0 0 28px;
    color: #ffffff;
    font-size: clamp(1.55rem, 2.45vw, 2.4rem);
    line-height: 1.18;
    font-weight: 780;
    letter-spacing: -0.05em;
}

.mission-mini-list {
    position: relative;
    z-index: 2;
    display: grid;
    gap: 12px;
}

.mission-mini {
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(242, 255, 246, 0.10);
    border: 1px solid rgba(242, 255, 246, 0.12);
}

.mission-mini strong {
    display: block;
    margin-bottom: 4px;
    color: var(--tpl-tea-green);
    font-size: 0.95rem;
}

.mission-mini small {
    display: block;
    color: rgba(242, 255, 246, 0.74);
    font-size: 0.88rem;
    line-height: 1.55;
}

.impact-pillars {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.impact-pillar {
    position: relative;
    overflow: hidden;
    min-height: 220px;
    padding: 28px 24px 30px;
    border-radius: 30px;
    background: rgba(242, 255, 246, 0.11);
    border: 1px solid rgba(242, 255, 246, 0.14);
    box-shadow: 0 22px 60px rgba(2, 18, 37, 0.16);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.impact-pillar::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 18% 0%, rgba(37, 197, 233, 0.20), transparent 38%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.impact-pillar:hover {
    transform: translateY(-7px);
    border-color: rgba(202, 255, 222, 0.36);
    background: rgba(242, 255, 246, 0.15);
    box-shadow: 0 30px 76px rgba(2, 18, 37, 0.22);
}

.impact-pillar:hover::before {
    opacity: 1;
}

.impact-pillar span {
    position: relative;
    z-index: 2;
    display: inline-flex;
    margin-bottom: 30px;
    color: rgba(202, 255, 222, 0.62);
    font-size: 0.82rem;
    font-weight: 850;
    letter-spacing: 0.18em;
}

.impact-pillar h3 {
    position: relative;
    z-index: 2;
    margin: 0 0 10px;
    color: #ffffff;
    font-size: 1.28rem;
    letter-spacing: -0.025em;
}

.impact-pillar p {
    position: relative;
    z-index: 2;
    margin: 0;
    color: rgba(242, 255, 246, 0.74);
    font-size: 0.96rem;
    line-height: 1.68;
}

/* Partners: bright, balanced circular logos, light supporting copy */
.partner-showcase {
    position: relative;
    overflow: hidden;
    padding: 104px 0 100px;
    background:
        radial-gradient(circle at 50% 0%, rgba(37, 197, 233, 0.12), transparent 38%),
        radial-gradient(circle at 8% 72%, rgba(202, 255, 222, 0.50), transparent 34%),
        linear-gradient(180deg, #ffffff 0%, var(--tpl-mint-cream) 46%, #e9fff1 100%);
}

.partner-showcase::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        repeating-linear-gradient(90deg, rgba(35, 134, 137, 0.035) 0 1px, transparent 1px 92px),
        repeating-linear-gradient(0deg, rgba(35, 134, 137, 0.026) 0 1px, transparent 1px 92px);
    mask-image: linear-gradient(180deg, transparent 0%, #000 16%, #000 84%, transparent 100%);
}

.partners-heading {
    position: relative;
    z-index: 2;
    max-width: 860px;
    margin: 0 auto 54px;
}

.partner-showcase h2 {
    max-width: 820px;
    margin: 0 auto 16px;
    color: var(--tpl-ink);
    font-size: clamp(2.25rem, 4.4vw, 4.45rem);
    line-height: 1.04;
    letter-spacing: -0.06em;
}

.partners-subtitle {
    max-width: 720px;
    margin: 0 auto;
    color: #48626c;
    font-size: 1.02rem;
    line-height: 1.75;
}

.partner-logo-cloud {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(5, minmax(150px, 1fr));
    gap: 18px;
    align-items: stretch;
    margin: 0 0 42px;
}

.partner-logo-item {
    min-height: 238px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 18px;
    padding: 28px 18px 24px;
    border-radius: 32px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(35, 134, 137, 0.12);
    box-shadow: 0 20px 50px rgba(2, 18, 37, 0.055);
    text-align: center;
    transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease, background 0.28s ease;
}

.partner-logo-item:hover {
    transform: translateY(-6px);
    background: rgba(255, 255, 255, 0.96);
    border-color: rgba(37, 197, 233, 0.38);
    box-shadow: 0 28px 64px rgba(35, 134, 137, 0.13);
}

.partner-logo-circle {
    width: 78px;
    height: 78px;
    flex: 0 0 78px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: #ffffff;
    font-size: 1.02rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    background: linear-gradient(145deg, var(--tpl-dark-cyan), #0d5868);
    box-shadow:
        0 16px 32px rgba(35, 134, 137, 0.22),
        inset 0 0 0 1px rgba(255,255,255,0.24);
}

.partner-logo-item:nth-child(2) .partner-logo-circle {
    background: linear-gradient(145deg, var(--tpl-sky-aqua), var(--tpl-dark-cyan));
}

.partner-logo-item:nth-child(3) .partner-logo-circle {
    background: linear-gradient(145deg, var(--tpl-tea-green), var(--tpl-sky-aqua));
    color: var(--tpl-ink);
}

.partner-logo-item:nth-child(4) .partner-logo-circle {
    background: linear-gradient(145deg, #1aa8bb, var(--tpl-ink));
}

.partner-logo-item:nth-child(5) .partner-logo-circle {
    background: linear-gradient(145deg, var(--tpl-ink), var(--tpl-dark-cyan));
}

.partner-copy strong {
    display: block;
    min-height: 46px;
    margin-bottom: 10px;
    color: var(--tpl-ink);
    font-size: 1.02rem;
    line-height: 1.24;
    font-weight: 850;
    letter-spacing: -0.02em;
}

.partner-copy small {
    display: block;
    color: #5c737c;
    font-size: 0.88rem;
    line-height: 1.55;
    font-weight: 500;
}

.partners-link {
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 22px;
    border-radius: 999px;
    color: var(--tpl-dark-cyan);
    background: rgba(255, 255, 255, 0.64);
    border: 1px solid rgba(35, 134, 137, 0.14);
    box-shadow: 0 14px 32px rgba(35, 134, 137, 0.10);
    font-size: 1rem;
    font-weight: 850;
    text-decoration: none;
}

.partners-link span {
    transition: transform 0.3s ease;
}

.partners-link:hover {
    color: var(--tpl-ink);
    border-color: rgba(37, 197, 233, 0.36);
    box-shadow: 0 18px 42px rgba(35, 134, 137, 0.15);
}

.partners-link:hover span {
    transform: translateX(5px);
}

/* Final CTA: the darkest section on the homepage */
.final-cta-dark {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    padding: 124px 0 110px;
    background:
        radial-gradient(circle at 50% 26%, rgba(54, 215, 238, 0.22), transparent 34%),
        radial-gradient(circle at 82% 68%, rgba(132, 247, 206, 0.12), transparent 32%),
        linear-gradient(180deg, #021225 0%, #010814 48%, #00040a 100%);
    color: var(--white);
}

.final-cta-dark::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background:
        linear-gradient(90deg, rgba(255,255,255,0.04), transparent 30%, rgba(255,255,255,0.03)),
        repeating-radial-gradient(circle at 50% 52%, rgba(255,255,255,0.12) 0 1px, transparent 2px 28px);
    opacity: 0.38;
}

.final-cta-glow {
    position: absolute;
    left: 50%;
    top: 42%;
    z-index: -1;
    width: min(720px, 78vw);
    height: min(720px, 78vw);
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(54, 215, 238, 0.16) 0%, rgba(3, 78, 98, 0.08) 38%, transparent 70%);
    filter: blur(6px);
}

.final-cta-logo {
    width: min(210px, 56vw);
    height: auto;
    display: block;
    margin: 0 auto 32px;
    filter: drop-shadow(0 0 20px rgba(54, 215, 238, 0.34));
}

.final-cta-kicker {
    color: var(--ye-teal-light);
}

.final-cta-dark h2 {
    max-width: 940px;
    margin: 0 auto 24px;
    color: #ffffff;
    font-size: clamp(2.55rem, 5vw, 5.4rem);
    line-height: 1;
    letter-spacing: -0.07em;
    text-align: center;
}

.final-cta-dark p {
    max-width: 700px;
    margin: 0 auto;
    color: rgba(240, 255, 249, 0.74);
    font-size: 1.08rem;
    line-height: 1.78;
}

.final-cta-buttons {
    margin-top: 36px;
}

.final-cta-buttons .btn {
    min-width: 210px;
}

.final-cta-note {
    margin-top: 42px !important;
    color: rgba(255, 255, 255, 0.46) !important;
    font-size: 0.92rem !important;
    letter-spacing: 0.01em;
}

@media (max-width: 1100px) {
    .impact-shell {
        grid-template-columns: 1fr;
    }

    .impact-intro,
    .mission-card {
        min-height: auto;
    }

    .impact-pillars {
        grid-template-columns: repeat(2, 1fr);
    }

    .partner-logo-cloud {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .partner-logo-item:last-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .impact-mission-light,
    .partner-showcase,
    .final-cta-dark {
        padding: 72px 0;
    }

    .impact-intro {
        padding: 28px 22px;
        border-radius: 28px;
    }

    .impact-intro h2,
    .partner-showcase h2,
    .final-cta-dark h2 {
        font-size: 2.3rem;
        line-height: 1.08;
    }

    .impact-kicker,
    .partners-kicker,
    .final-cta-kicker {
        font-size: 0.68rem;
        letter-spacing: 0.22em;
    }

    .mission-card {
        min-height: auto;
        border-radius: 28px;
    }

    .mission-card h3 {
        font-size: 1.45rem;
    }

    .impact-pillars,
    .partner-logo-cloud {
        grid-template-columns: 1fr;
    }

    .partner-logo-item:last-child {
        grid-column: auto;
    }

    .partner-logo-item {
        min-height: auto;
        padding: 24px 20px;
    }

    .partner-logo-circle {
        width: 72px;
        height: 72px;
        flex-basis: 72px;
    }

    .final-cta-buttons {
        flex-direction: column;
        width: 100%;
    }

    .final-cta-buttons .btn {
        width: 100%;
    }
}



/* ============================================================================
   LOGO-GREEN REFINEMENT — toàn index nghiêng xanh lá hơn, bám template màu
   Palette: #F2FFF6, #CAFFDE, #25C5E9, #238689, #021225
   ============================================================================ */
:root {
    --ye-teal-deep: #238689;
    --ye-cyan-bright: #25C5E9;
    --ye-teal-light: #CAFFDE;
    --ye-bg-aqua-light: #F2FFF6;
    --ye-bg-mint-light: #F2FFF6;
    --ink-black: #021225;
    --bg-main: linear-gradient(180deg, #F2FFF6 0%, #CAFFDE 100%);
    --text-main: #021225;
    --text-muted: rgba(2, 18, 37, 0.72);
    --section-mid-green-bg:
        radial-gradient(circle at 14% 16%, rgba(202, 255, 222, 0.30), transparent 34%),
        radial-gradient(circle at 86% 78%, rgba(37, 197, 233, 0.16), transparent 36%),
        linear-gradient(135deg, #238689 0%, #238689 38%, #021225 128%);
}

a {
    color: #238689;
}

a:hover {
    color: #25C5E9;
}

header {
    border-bottom-color: rgba(202, 255, 222, 0.24);
}

header nav ul li a {
    color: #CAFFDE;
}

header nav ul li a:hover,
header nav ul li a.active {
    color: #CAFFDE;
    text-shadow: 0 0 12px rgba(202, 255, 222, 0.58);
}

.brand-tag {
    color: #CAFFDE;
    text-shadow: 0 0 16px rgba(202, 255, 222, 0.52);
}

.deep-aqua-hero {
    background:
        radial-gradient(circle at 78% 42%, rgba(202, 255, 222, 0.34) 0%, rgba(202, 255, 222, 0.16) 25%, transparent 48%),
        radial-gradient(circle at 16% 78%, rgba(37, 197, 233, 0.12) 0%, transparent 38%),
        linear-gradient(135deg, #021225 0%, #238689 62%, #CAFFDE 145%);
}

.hero-title .highlight-text {
    color: transparent;
    background: linear-gradient(90deg, #CAFFDE 0%, #F2FFF6 42%, #25C5E9 100%);
    -webkit-background-clip: text;
    background-clip: text;
    text-shadow: 0 0 22px rgba(202, 255, 222, 0.24);
}

.hero-content .description {
    color: rgba(242, 255, 246, 0.92);
}

.btn-neon,
.btn-product-premium,
.final-cta-buttons .btn-neon {
    background: linear-gradient(135deg, #CAFFDE 0%, #238689 100%);
    color: #021225 !important;
    box-shadow: 0 10px 26px rgba(202, 255, 222, 0.26), 0 6px 18px rgba(35, 134, 137, 0.24);
}

.btn-neon:hover,
.btn-product-premium:hover,
.final-cta-buttons .btn-neon:hover {
    background: linear-gradient(135deg, #F2FFF6 0%, #CAFFDE 46%, #238689 100%);
    color: #021225 !important;
    box-shadow: 0 14px 34px rgba(202, 255, 222, 0.38), 0 8px 24px rgba(35, 134, 137, 0.26);
}

.btn-outline-neon:hover {
    border-color: #CAFFDE;
    color: #CAFFDE !important;
    box-shadow: 0 10px 24px rgba(202, 255, 222, 0.12);
}

.tech-glow-ring {
    border-color: rgba(202, 255, 222, 0.56);
    box-shadow: 0 0 46px rgba(202, 255, 222, 0.18), inset 0 0 58px rgba(242, 255, 246, 0.24);
}

.tech-glow-ring::before {
    border-top-color: rgba(202, 255, 222, 0.88);
    border-right-color: rgba(242, 255, 246, 0.38);
    border-bottom-color: rgba(37, 197, 233, 0.24);
    filter: drop-shadow(0 0 11px rgba(202, 255, 222, 0.28));
}

.hero-visual::after {
    border-color: rgba(202, 255, 222, 0.22);
    box-shadow: 0 0 34px rgba(202, 255, 222, 0.09), inset 0 0 40px rgba(242, 255, 246, 0.36);
}

.product-showcase-premium {
    background:
        radial-gradient(circle at 50% 42%, rgba(242, 255, 246, 0.98) 0%, rgba(242, 255, 246, 0.76) 24%, rgba(202, 255, 222, 0.34) 49%, transparent 82%),
        radial-gradient(circle at 12% 18%, rgba(202, 255, 222, 0.30) 0%, transparent 34%),
        radial-gradient(circle at 88% 24%, rgba(35, 134, 137, 0.12) 0%, transparent 34%),
        linear-gradient(180deg, #F2FFF6 0%, #F2FFF6 32%, #CAFFDE 100%);
}

.product-premium-title,
.story-preview-content h2,
.split-content h2 {
    color: #021225;
}

.product-premium-title span,
.value-copy h3,
.benefit-list-item h3 {
    color: #238689;
    background: none;
    -webkit-text-fill-color: currentColor;
}

.value-icon {
    color: #238689;
    border-color: rgba(35, 134, 137, 0.18);
    background: linear-gradient(145deg, rgba(242, 255, 246, 0.96), rgba(202, 255, 222, 0.54));
    box-shadow: 0 14px 30px rgba(35, 134, 137, 0.10);
}

.product-premium-ring,
.product-premium-halo {
    border-color: rgba(202, 255, 222, 0.44);
    box-shadow: 0 0 42px rgba(202, 255, 222, 0.14), inset 0 0 34px rgba(35, 134, 137, 0.08);
}

.outline-cyan {
    border-color: #238689;
}

.benefit-list-item {
    border-left-color: #238689;
}

.story-preview {
    background:
        radial-gradient(circle at 82% 18%, rgba(202, 255, 222, 0.32), transparent 34%),
        radial-gradient(circle at 14% 82%, rgba(35, 134, 137, 0.10), transparent 34%),
        linear-gradient(180deg, #F2FFF6 0%, #F2FFF6 52%, #CAFFDE 100%);
}

.story-kicker,
.story-preview-link {
    color: #238689;
}

.story-kicker::before,
.story-preview-content blockquote {
    border-color: #238689;
}

/* THÁCH THỨC + TÁC ĐỘNG dùng cùng nền đậm vừa, xanh lá hơn xanh dương */
.problems-story,
.impact-mission-light {
    background: var(--section-mid-green-bg);
    color: #F2FFF6;
}

.problems-story {
    padding: 72px 0;
}

.problems-story::before,
.impact-field-lines {
    background:
        linear-gradient(90deg, rgba(2, 18, 37, 0.34) 0%, rgba(35, 134, 137, 0.16) 54%, rgba(202, 255, 222, 0.08) 100%),
        repeating-linear-gradient(90deg, rgba(242, 255, 246, 0.058) 0 1px, transparent 1px 94px),
        repeating-linear-gradient(0deg, rgba(242, 255, 246, 0.04) 0 1px, transparent 1px 94px);
}

.problems-story::after {
    border-color: rgba(202, 255, 222, 0.22);
    box-shadow: inset 0 0 76px rgba(202, 255, 222, 0.09), 0 0 86px rgba(202, 255, 222, 0.10);
}

.problems-story-image img {
    border-color: rgba(202, 255, 222, 0.42);
    box-shadow: 0 36px 90px rgba(2, 18, 37, 0.38), 0 0 48px rgba(202, 255, 222, 0.13);
}

.problems-story-image::after {
    background:
        linear-gradient(180deg, transparent 42%, rgba(2, 18, 37, 0.44) 100%),
        linear-gradient(90deg, rgba(202, 255, 222, 0.16), transparent 46%);
}

.section-kicker,
.problems-story-content h2 span,
.story-link,
.impact-kicker {
    color: #CAFFDE;
}

.section-kicker::before,
.impact-kicker::before {
    background: linear-gradient(90deg, #CAFFDE, transparent);
}

.problems-story-content h2,
.impact-narrative-copy h2 {
    color: #F2FFF6;
}

.problems-story-content h2 span {
    text-shadow: 0 0 24px rgba(202, 255, 222, 0.30);
}

.problems-story-content p,
.impact-narrative-copy p,
.impact-human-note p {
    color: rgba(242, 255, 246, 0.82);
}

.problems-story-content .story-lead,
.impact-narrative-copy .impact-lead {
    color: rgba(242, 255, 246, 0.95);
}

.story-link:hover,
.impact-story-link:hover {
    color: #F2FFF6;
    text-shadow: 0 0 18px rgba(202, 255, 222, 0.28);
}

/* TÁC ĐỘNG & SỨ MỆNH — bố cục mới, bỏ cảm giác liệt kê */
.impact-mission-light {
    padding: 116px 0 108px;
}

.impact-orb-left {
    background: radial-gradient(circle, rgba(202, 255, 222, 0.20), transparent 68%);
}

.impact-orb-right {
    background: radial-gradient(circle, rgba(37, 197, 233, 0.10), transparent 70%);
}

.impact-narrative {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(330px, 0.78fr);
    gap: clamp(34px, 6vw, 82px);
    align-items: center;
}

.impact-narrative-copy {
    max-width: 790px;
}

.impact-narrative-copy h2 {
    margin: 0 0 26px;
    text-align: left;
    font-size: clamp(2.7rem, 5.2vw, 5.35rem);
    line-height: 1.02;
    letter-spacing: -0.068em;
}

.impact-narrative-copy p {
    max-width: 69ch;
    margin: 0 0 18px;
    font-size: clamp(1rem, 1.16vw, 1.14rem);
    line-height: 1.84;
}

.impact-narrative-copy .impact-lead {
    font-size: clamp(1.08rem, 1.42vw, 1.32rem);
    line-height: 1.78;
    font-weight: 540;
}

.impact-narrative-visual {
    position: relative;
    min-height: 430px;
    display: flex;
    align-items: center;
    justify-content: center;
    isolation: isolate;
}

.impact-visual-core {
    position: relative;
    z-index: 4;
    width: clamp(170px, 22vw, 250px);
    height: clamp(170px, 22vw, 250px);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background:
        radial-gradient(circle at 34% 24%, #F2FFF6 0%, #CAFFDE 34%, rgba(37, 197, 233, 0.54) 72%, rgba(35, 134, 137, 0.88) 100%);
    box-shadow:
        0 28px 88px rgba(2, 18, 37, 0.26),
        0 0 46px rgba(202, 255, 222, 0.26),
        inset 0 0 34px rgba(242, 255, 246, 0.42);
}

.impact-visual-core span {
    color: rgba(2, 18, 37, 0.76);
    font-size: clamp(2.8rem, 5vw, 5rem);
    font-weight: 900;
    letter-spacing: -0.13em;
    transform: translateX(-0.08em);
}

.impact-wave {
    position: absolute;
    inset: 50%;
    width: 250px;
    height: 250px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px solid rgba(202, 255, 222, 0.24);
    box-shadow: inset 0 0 46px rgba(202, 255, 222, 0.08), 0 0 34px rgba(202, 255, 222, 0.08);
}

.impact-wave-1 {
    width: 310px;
    height: 310px;
    opacity: 0.92;
}

.impact-wave-2 {
    width: 410px;
    height: 410px;
    opacity: 0.56;
}

.impact-wave-3 {
    width: 520px;
    height: 520px;
    opacity: 0.30;
}

.impact-human-note {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 26px;
    margin-top: 54px;
    padding-top: 26px;
    border-top: 1px solid rgba(202, 255, 222, 0.22);
}

.impact-human-note p {
    max-width: 680px;
    margin: 0;
    font-size: clamp(1.1rem, 1.7vw, 1.52rem);
    line-height: 1.48;
    font-weight: 720;
    letter-spacing: -0.035em;
}

.impact-story-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
    color: #CAFFDE;
    font-size: 1rem;
    font-weight: 850;
    text-decoration: none;
}

.impact-story-link span {
    transition: transform 0.3s ease;
}

.impact-story-link:hover span {
    transform: translateX(5px);
}

/* Ẩn bố cục liệt kê cũ nếu còn cache HTML cũ */
.impact-shell,
.impact-pillars,
.mission-mini-list {
    display: none;
}

/* ĐỒNG HÀNH — sáng hơn, logo tròn cân đối, màu xanh lá/mint nhiều hơn */
.partner-showcase {
    background:
        radial-gradient(circle at 50% 0%, rgba(202, 255, 222, 0.48), transparent 38%),
        radial-gradient(circle at 8% 72%, rgba(202, 255, 222, 0.58), transparent 34%),
        radial-gradient(circle at 94% 68%, rgba(35, 134, 137, 0.08), transparent 32%),
        linear-gradient(180deg, #F2FFF6 0%, #F2FFF6 46%, #CAFFDE 118%);
}

.partners-kicker {
    color: #238689;
}

.partners-kicker::before {
    background: linear-gradient(90deg, #238689, transparent);
}

.partner-showcase h2 {
    color: #021225;
}

.partners-subtitle,
.partner-copy small {
    color: rgba(2, 18, 37, 0.66);
}

.partner-logo-item {
    border-color: rgba(35, 134, 137, 0.14);
    background: rgba(242, 255, 246, 0.82);
    box-shadow: 0 22px 56px rgba(35, 134, 137, 0.08);
}

.partner-logo-item:hover {
    border-color: rgba(35, 134, 137, 0.26);
    box-shadow: 0 30px 70px rgba(35, 134, 137, 0.14);
}

.partner-logo-circle,
.partner-logo-item:nth-child(2) .partner-logo-circle,
.partner-logo-item:nth-child(3) .partner-logo-circle,
.partner-logo-item:nth-child(4) .partner-logo-circle,
.partner-logo-item:nth-child(5) .partner-logo-circle {
    color: #021225;
    background: radial-gradient(circle at 32% 22%, #F2FFF6 0%, #CAFFDE 42%, #238689 100%);
    box-shadow: 0 16px 32px rgba(35, 134, 137, 0.20), inset 0 0 0 1px rgba(242, 255, 246, 0.45);
}

.partner-copy strong {
    color: #021225;
}

.partner-showcase .container {
    text-align: center;
}

.partners-link {
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    margin: 0 auto;
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    color: #238689;
    font-size: 1rem;
    font-weight: 850;
    letter-spacing: 0.02em;
    text-decoration: none;
}

.partners-link:hover {
    color: #021225;
    border-color: transparent;
    box-shadow: none;
}
.partners-link::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -7px;
    width: 100%;
    height: 1.5px;
    transform: translateX(-50%);
    border-radius: 999px;
    background: linear-gradient(90deg, #238689, #25C5E9, #CAFFDE);
    transition: width 0.3s ease;
}

.partners-link:hover::after {
    width: 115%;
}

/* FINAL CTA — giữ section cuối tối nhất nhưng đổi glow xanh lá và thêm line bên phải */
.final-cta-dark {
    background:
        radial-gradient(circle at 50% 26%, rgba(202, 255, 222, 0.18), transparent 34%),
        radial-gradient(circle at 82% 68%, rgba(35, 134, 137, 0.16), transparent 32%),
        linear-gradient(180deg, #021225 0%, #021225 48%, #00040a 100%);
}

.final-cta-glow {
    background: radial-gradient(circle, rgba(202, 255, 222, 0.16) 0%, rgba(35, 134, 137, 0.08) 38%, transparent 70%);
}

.final-cta-logo {
    filter: drop-shadow(0 0 20px rgba(202, 255, 222, 0.34));
}

.final-cta-kicker {
    color: #CAFFDE;
}

.final-cta-kicker::before {
    background: linear-gradient(90deg, #CAFFDE, transparent);
}

.final-cta-kicker::after {
    content: "";
    width: 44px;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(270deg, #CAFFDE, transparent);
}

@media (max-width: 1100px) {
    .impact-narrative {
        grid-template-columns: 1fr;
    }

    .impact-narrative-visual {
        min-height: 360px;
        order: -1;
    }

    .impact-human-note {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 768px) {
    .impact-mission-light {
        padding: 76px 0;
    }

    .impact-narrative-copy h2 {
        font-size: 2.35rem;
        line-height: 1.08;
    }

    .impact-wave-2 {
        width: 340px;
        height: 340px;
    }

    .impact-wave-3 {
        width: 420px;
        height: 420px;
    }

    .impact-human-note {
        margin-top: 34px;
    }

    .final-cta-kicker::before,
    .final-cta-kicker::after {
        width: 30px;
    }
}

/* ============================================================================
   FINAL BALANCED LOGO-TEMPLATE TUNING
   Tỉ lệ màu: khoảng 2/3 mint-green + 1/3 aqua-blue, bám logo Your Eyes
   ============================================================================ */
:root {
    --ye-teal-deep: #034E62;
    --ye-cyan-bright: #25C5E9;
    --ye-teal-light: #CAFFDE;
    --ye-bg-aqua-light: #E7FBFA;
    --ye-bg-mint-light: #F2FFF6;

    --logo-mint: #CAFFDE;
    --logo-cream: #F2FFF6;
    --logo-aqua: #25C5E9;
    --logo-teal: #238689;
    --logo-ink: #021225;

    --bg-main:
        radial-gradient(circle at 86% 12%, rgba(37, 197, 233, 0.16) 0%, transparent 30%),
        radial-gradient(circle at 8% 18%, rgba(202, 255, 222, 0.52) 0%, transparent 34%),
        linear-gradient(180deg, #F2FFF6 0%, #EEFFF6 48%, #E8FBFA 100%);
    --text-main: #034E62;
    --text-muted: rgba(2, 18, 37, 0.68);
}

body {
    background: var(--bg-main);
}

a {
    color: #238689;
}

a:hover {
    color: #25C5E9;
}

/* MENU TRẮNG - chữ đậm, gọn và sang hơn */
header {
    height: 66px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(242, 255, 246, 0.92) 100%);
    border-bottom: 1px solid rgba(35, 134, 137, 0.13);
    box-shadow: 0 12px 34px rgba(2, 18, 37, 0.08);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

header nav {
    justify-content: flex-end;
    min-height: 66px;
}

.logo-img {
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
}

.logo-img img {
    height: 42px;
    filter: drop-shadow(0 8px 14px rgba(35, 134, 137, 0.16));
}

.logo-img:hover img {
    transform: scale(1.035);
}

header nav ul {
    align-items: center;
    gap: 18px;
    padding: 0;
    border-radius: 0;
    background: transparent;
    border: none;
    box-shadow: none;
}

header nav ul li a {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 0 2px;
    border-radius: 0;
    color: #021225;
    background: transparent;
    box-shadow: none;
    font-weight: 750;
    font-size: 0.82rem;
    letter-spacing: 0.055em;
    text-shadow: none;
}

header nav ul li a:hover {
    color: #238689;
    background: transparent;
    box-shadow: none;
    text-shadow: none;
}

header nav ul li a.active {
    color: #238689;
    background: transparent;
    box-shadow: none;
    text-shadow: none;
}
header nav ul li a {
    position: relative;
}

header nav ul li a.active::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -8px;
    width: 70%;
    height: 2px;
    transform: translateX(-50%);
    border-radius: 999px;
    background: linear-gradient(90deg, #238689, #25C5E9, #CAFFDE);
}
/* HERO sáng lại, gần tone cũ: mint là chính, aqua chỉ làm glow */
.deep-aqua-hero {
    min-height: 92vh;
    background:
        radial-gradient(circle at 76% 45%, rgba(37, 197, 233, 0.30) 0%, rgba(37, 197, 233, 0.16) 23%, transparent 47%),
        radial-gradient(circle at 84% 18%, rgba(202, 255, 222, 0.72) 0%, transparent 36%),
        radial-gradient(circle at 16% 8%, rgba(242, 255, 246, 0.98) 0%, transparent 38%),
        linear-gradient(135deg, #F2FFF6 0%, #F0FFF7 34%, #CAFFDE 72%, #BDEFF0 100%);
    color: #021225;
}

.deep-aqua-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(90deg, rgba(242, 255, 246, 0.86) 0%, rgba(242, 255, 246, 0.52) 40%, rgba(37, 197, 233, 0.08) 100%);
    z-index: 0;
}

.deep-aqua-hero .hero-container {
    position: relative;
    z-index: 2;
}

.hero-title {
    color: #021225;
    text-shadow: none;
}

.hero-title .highlight-text {
    color: #238689;
    background: linear-gradient(90deg, #238689 0%, #238689 52%, #25C5E9 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: none;
}

.hero-content .description {
    color: rgba(2, 18, 37, 0.72);
    opacity: 1;
}

.deep-aqua-hero .brand-tag {
    color: #238689;
    text-shadow: 0 0 20px rgba(202, 255, 222, 0.42);
}

.btn-neon {
    background: linear-gradient(135deg, #238689 0%, #238689 58%, #25C5E9 118%);
    color: #F2FFF6 !important;
    box-shadow: 0 12px 28px rgba(35, 134, 137, 0.28);
}

.btn-neon:hover {
    background: linear-gradient(135deg, #021225 0%, #238689 70%, #25C5E9 120%);
    box-shadow: 0 16px 34px rgba(35, 134, 137, 0.34);
}

.btn-outline-neon {
    color: #021225 !important;
    background: rgba(255, 255, 255, 0.56);
    border: 1px solid rgba(35, 134, 137, 0.28);
    box-shadow: 0 10px 24px rgba(35, 134, 137, 0.08);
}

.btn-outline-neon:hover {
    color: #238689 !important;
    background: rgba(242, 255, 246, 0.82);
    border-color: rgba(35, 134, 137, 0.40);
}

.tech-glow-ring {
    border-color: rgba(35, 134, 137, 0.28);
    box-shadow:
        0 0 42px rgba(37, 197, 233, 0.16),
        inset 0 0 58px rgba(202, 255, 222, 0.34);
}

.tech-glow-ring::before {
    border-top-color: rgba(35, 134, 137, 0.70);
    border-right-color: rgba(37, 197, 233, 0.44);
    border-bottom-color: rgba(202, 255, 222, 0.48);
}

.tech-glow-ring::after {
    border-left-color: rgba(37, 197, 233, 0.34);
    border-bottom-color: rgba(202, 255, 222, 0.50);
}

.hero-visual::before {
    border-color: rgba(35, 134, 137, 0.16);
    box-shadow: inset 0 0 70px rgba(37, 197, 233, 0.08);
}

.hero-visual::after {
    border-color: rgba(202, 255, 222, 0.44);
    box-shadow:
        0 0 38px rgba(37, 197, 233, 0.08),
        inset 0 0 46px rgba(202, 255, 222, 0.46);
}

.hero-floating-shadow {
    background: rgba(35, 134, 137, 0.18);
}

/* Cân lại những section bị quá xanh lá: thêm 1 phần aqua trong glow, nhưng nền vẫn mint */
.product-showcase-premium,
.story-preview,
.partner-showcase {
    background:
        radial-gradient(circle at 82% 14%, rgba(37, 197, 233, 0.16), transparent 32%),
        radial-gradient(circle at 10% 18%, rgba(202, 255, 222, 0.52), transparent 36%),
        radial-gradient(circle at 50% 100%, rgba(37, 197, 233, 0.10), transparent 42%),
        linear-gradient(180deg, #F2FFF6 0%, #F2FFF6 42%, #E9FFF2 72%, #E9FBFA 100%);
}

.product-premium-title span,
.value-copy h3,
.benefit-list-item h3,
.story-preview-link,
.partners-kicker {
    color: #238689;
}

.value-icon,
.partner-logo-item {
    background: linear-gradient(145deg, rgba(242, 255, 246, 0.96), rgba(202, 255, 222, 0.62) 68%, rgba(37, 197, 233, 0.10));
}

/* THÁCH THỨC và TÁC ĐỘNG: cùng màu nền đậm vừa, 2/3 green-teal + 1/3 aqua */
.problems-story,
.impact-mission-light {
    background:
        radial-gradient(circle at 82% 16%, rgba(37, 197, 233, 0.18), transparent 36%),
        radial-gradient(circle at 10% 82%, rgba(202, 255, 222, 0.14), transparent 34%),
        linear-gradient(135deg, #021225 0%, #238689 58%, #25C5E9 132%);
}

.problems-story::before,
.impact-field-lines {
    background:
        linear-gradient(90deg, rgba(2, 18, 37, 0.30) 0%, rgba(35, 134, 137, 0.18) 58%, rgba(37, 197, 233, 0.10) 100%),
        repeating-linear-gradient(90deg, rgba(242, 255, 246, 0.052) 0 1px, transparent 1px 94px),
        repeating-linear-gradient(0deg, rgba(202, 255, 222, 0.04) 0 1px, transparent 1px 94px);
}

.section-kicker,
.problems-story-content h2 span,
.story-link,
.impact-kicker,
.impact-story-link {
    color: #CAFFDE;
}

.impact-orb-right,
.impact-orb-left {
    background: radial-gradient(circle, rgba(37, 197, 233, 0.12), rgba(202, 255, 222, 0.09) 36%, transparent 70%);
}

.impact-visual-core {
    background:
        radial-gradient(circle at 30% 18%, #F2FFF6 0%, #CAFFDE 38%, rgba(37, 197, 233, 0.42) 70%, #238689 100%);
}

.impact-wave {
    border-color: rgba(202, 255, 222, 0.20);
    box-shadow: inset 0 0 46px rgba(37, 197, 233, 0.055), 0 0 34px rgba(202, 255, 222, 0.075);
}

/* Đồng hành: giữ sáng nhưng logo tròn cân bằng mint + aqua */
.partner-logo-circle,
.partner-logo-item:nth-child(2) .partner-logo-circle,
.partner-logo-item:nth-child(3) .partner-logo-circle,
.partner-logo-item:nth-child(4) .partner-logo-circle,
.partner-logo-item:nth-child(5) .partner-logo-circle {
    background:
        radial-gradient(circle at 30% 20%, #F2FFF6 0%, #CAFFDE 40%, rgba(37, 197, 233, 0.26) 73%, #238689 100%);
    color: #021225;
}

.partners-link {
    border-radius: 0;
    background: linear-gradient(135deg, #F2FFF6 0%, #CAFFDE 62%, rgba(37, 197, 233, 0.20) 100%);
    color: #021225;
}

/* CTA cuối vẫn tối nhất nhưng ánh sáng không quá xanh lá */
.final-cta-dark {
    background:
        radial-gradient(circle at 50% 26%, rgba(202, 255, 222, 0.13), transparent 34%),
        radial-gradient(circle at 82% 68%, rgba(37, 197, 233, 0.10), transparent 34%),
        linear-gradient(180deg, #021225 0%, #021225 48%, #00040a 100%);
}

.final-cta-glow {
    background: radial-gradient(circle, rgba(202, 255, 222, 0.12) 0%, rgba(37, 197, 233, 0.08) 38%, transparent 70%);
}

.final-cta-kicker::before {
    background: linear-gradient(90deg, #CAFFDE, rgba(37, 197, 233, 0.22), transparent);
}

.final-cta-kicker::after {
    background: linear-gradient(270deg, #CAFFDE, rgba(37, 197, 233, 0.22), transparent);
}

@media (max-width: 992px) {
    header {
        height: auto;
        padding: 12px 0;
    }

    header nav {
        min-height: unset;
        justify-content: center;
        flex-direction: column;
        gap: 12px;
    }

    .logo-img {
        position: relative;
        left: auto;
        top: auto;
        transform: none;
    }

    .logo-img img {
        height: 46px;
    }

    header nav ul {
        justify-content: center;
        flex-wrap: wrap;
        border-radius: 24px;
    }
}

@media (max-width: 768px) {
    .deep-aqua-hero {
        min-height: auto;
        padding-top: 56px;
    }

    header nav ul li a {
        font-size: 0.78rem;
        padding: 0 10px;
    }
}
/* TÁC ĐỘNG: dùng ảnh đầu người làm nền, text bên trái */
.impact-mission-light {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    padding: 118px 0 108px;
    background:
        linear-gradient(
            90deg,
            rgba(2, 18, 37, 0.92) 0%,
            rgba(2, 18, 37, 0.78) 34%,
            rgba(35, 134, 137, 0.42) 58%,
            rgba(35, 134, 137, 0.08) 100%
        ),
        radial-gradient(circle at 72% 42%, rgba(202, 255, 222, 0.16), transparent 34%),
        url("../assets/images/impact.png") center right / cover no-repeat;
    color: #F2FFF6;
}

/* Bỏ lớp line/orb cũ để ảnh sạch hơn */
.impact-field-lines,
.impact-orb,
.impact-orb-left,
.impact-orb-right {
    display: none;
}

.impact-narrative {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
    gap: clamp(32px, 6vw, 84px);
    align-items: center;
}

.impact-narrative-copy {
    max-width: 720px;
}

.impact-narrative-copy h2 {
    color: #F2FFF6;
    text-align: left;
    text-shadow: 0 12px 34px rgba(2, 18, 37, 0.28);
}

.impact-narrative-copy p,
.impact-narrative-copy .impact-lead {
    color: rgba(242, 255, 246, 0.88);
}

.impact-kicker {
    color: #CAFFDE;
}

.impact-kicker::before {
    background: linear-gradient(90deg, #CAFFDE, rgba(37, 197, 233, 0.25), transparent);
}

.impact-head-space {
    min-height: 520px;
}

/* Ẩn vòng Ye cũ nếu còn sót CSS/HTML cache */
.impact-visual-core,
.impact-wave {
    display: none;
}

.impact-human-note {
    position: relative;
    z-index: 2;
    border-top: 1px solid rgba(202, 255, 222, 0.22);
}

.impact-human-note p {
    color: rgba(242, 255, 246, 0.9);
}

.impact-story-link {
    color: #CAFFDE;
}

.impact-story-link:hover {
    color: #F2FFF6;
}
/* Nút Liên hệ hợp tác: bỏ màu xám, dùng màu trong template */
.final-cta-buttons .btn-outline-neon {
    color: #CAFFDE !important;
    background: rgba(202, 255, 222, 0.08);
    border: 1px solid rgba(202, 255, 222, 0.42);
    box-shadow: 0 10px 26px rgba(202, 255, 222, 0.08);
}

.final-cta-buttons .btn-outline-neon:hover {
    color: #021225 !important;
    background: #CAFFDE;
    border-color: #CAFFDE;
    box-shadow: 0 16px 34px rgba(202, 255, 222, 0.24);
}
/* Làm đậm màu section THÁCH THỨC */
.problems-story {
    background:
        radial-gradient(circle at 18% 20%, rgba(202, 255, 222, 0.18) 0%, transparent 34%),
        radial-gradient(circle at 85% 78%, rgba(37, 197, 233, 0.16) 0%, transparent 36%),
        linear-gradient(135deg, #021225 0%, #083c42 42%, #238689 100%) !important;
}

.problems-story::before {
    background:
        linear-gradient(90deg, rgba(2, 18, 37, 0.35), transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(202, 255, 222, 0.08), transparent 45%) !important;
}

.problems-story-content h2,
.problems-story-content h2 span {
    color: #F2FFF6 !important;
}

.problems-story-content p,
.problems-story-content .story-lead {
    color: rgba(242, 255, 246, 0.86) !important;
}

.problems-story .section-kicker {
    color: #CAFFDE !important;
}

.problems-story .story-link {
    color: #CAFFDE !important;
}

.problems-story .story-link:hover {
    color: #F2FFF6 !important;
}
/* Nút Đồng hành cùng Your Eyes - bo tròn nổi bật */
.partners-link {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: fit-content !important;
    margin: 42px auto 0 !important;
    padding: 15px 34px !important;

    border-radius: 999px !important;
    border: 1px solid rgba(35, 134, 137, 0.26) !important;
    background:
        radial-gradient(circle at 28% 20%, rgba(242, 255, 246, 0.95), transparent 38%),
        linear-gradient(135deg, #CAFFDE 0%, #F2FFF6 54%, rgba(37, 197, 233, 0.28) 100%) !important;

    color: #021225 !important;
    font-size: 0.92rem !important;
    font-weight: 850 !important;
    letter-spacing: 0.08em !important;
    text-transform: uppercase !important;
    text-decoration: none !important;

    box-shadow:
        0 16px 36px rgba(35, 134, 137, 0.20),
        inset 0 0 0 1px rgba(255, 255, 255, 0.72) !important;
}

.partners-link::after {
    display: none !important;
}

.partners-link:hover {
    color: #F2FFF6 !important;
    border-color: rgba(202, 255, 222, 0.42) !important;
    background:
        linear-gradient(135deg, #238689 0%, #021225 100%) !important;
    box-shadow:
        0 20px 46px rgba(35, 134, 137, 0.30),
        0 0 24px rgba(202, 255, 222, 0.18) !important;
    transform: translateY(-3px);
}


/* ========================================================================== 
   PAGES REFRESH 2026 - YOUR EYES AQUA/MINT TEMPLATE
   Các style dưới đây chỉ áp dụng cho những trang trong thư mục pages/.
   Trang chủ index giữ nguyên layout hiện tại.
   ========================================================================== */

.ye-page {
    background:
        radial-gradient(circle at 12% 6%, rgba(202, 255, 222, 0.75), transparent 28%),
        radial-gradient(circle at 82% 10%, rgba(37, 197, 233, 0.18), transparent 32%),
        linear-gradient(180deg, #f2fff6 0%, #e1fafb 42%, #ffffff 100%);
}

.ye-page main {
    overflow: hidden;
}

.ye-page section {
    position: relative;
}

.ye-page main section:nth-of-type(even) {
    background: transparent;
}

.ye-page-hero {
    min-height: 86vh;
    display: flex;
    align-items: center;
    padding: 86px 0 72px;
    isolation: isolate;
    overflow: hidden;
    background:
        radial-gradient(circle at 75% 42%, rgba(54, 215, 238, 0.32) 0%, rgba(3, 78, 98, 0.55) 38%, rgba(2, 18, 37, 0.98) 100%),
        linear-gradient(135deg, #021225 0%, #034E62 54%, #238689 100%);
}

.ye-page-hero::before,
.ye-page-hero::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    pointer-events: none;
    z-index: 0;
}

.ye-page-hero::before {
    width: 520px;
    height: 520px;
    right: -140px;
    top: 18%;
    border: 1px solid rgba(202, 255, 222, 0.2);
    box-shadow: inset 0 0 60px rgba(202, 255, 222, 0.14), 0 0 80px rgba(37, 197, 233, 0.14);
}

.ye-page-hero::after {
    width: 280px;
    height: 280px;
    left: -90px;
    bottom: 8%;
    background: radial-gradient(circle, rgba(202, 255, 222, 0.18), transparent 70%);
}

.ye-hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    gap: clamp(36px, 5vw, 78px);
    align-items: center;
}

.ye-hero-copy h1 {
    color: #ffffff;
    font-size: clamp(3rem, 6vw, 5.35rem);
    line-height: 0.96;
    letter-spacing: -0.065em;
    margin: 16px 0 24px;
}

.ye-hero-copy p {
    max-width: 720px;
    color: rgba(242, 255, 246, 0.88);
    font-size: 1.13rem;
    line-height: 1.85;
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #CAFFDE;
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.section-eyebrow::before {
    content: "";
    width: 34px;
    height: 2px;
    border-radius: 99px;
    background: currentColor;
    box-shadow: 0 0 14px currentColor;
}

.section-eyebrow.dark {
    color: var(--ye-teal-deep);
}

.page-hero-actions,
.hero-chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.hero-chip-row span {
    color: rgba(242, 255, 246, 0.92);
    border: 1px solid rgba(202, 255, 222, 0.22);
    background: rgba(255, 255, 255, 0.07);
    border-radius: 999px;
    padding: 8px 14px;
    font-size: 0.84rem;
    font-weight: 700;
    backdrop-filter: blur(10px);
}

.ye-hero-media {
    position: relative;
    min-height: 410px;
    display: grid;
    place-items: center;
}

.media-orbit {
    position: absolute;
    width: min(92vw, 470px);
    height: min(92vw, 470px);
    border-radius: 50%;
    border: 1px solid rgba(202, 255, 222, 0.32);
    box-shadow:
        inset 0 0 80px rgba(255, 255, 255, 0.12),
        0 0 80px rgba(54, 215, 238, 0.18);
}

.media-orbit::before,
.media-orbit::after {
    content: "";
    position: absolute;
    inset: 38px;
    border-radius: inherit;
    border: 1px dashed rgba(202, 255, 222, 0.28);
}

.media-orbit::after {
    inset: 96px;
    border-style: solid;
    opacity: 0.55;
}

.hero-product-img,
.story-img {
    position: relative;
    z-index: 2;
    max-width: min(100%, 560px);
    width: 100%;
    filter: drop-shadow(0 34px 50px rgba(0, 0, 0, 0.34));
}

.floating-caption,
.story-quote {
    position: absolute;
    z-index: 3;
    left: 5%;
    bottom: 12px;
    max-width: 360px;
    color: #021225;
    background: rgba(242, 255, 246, 0.88);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 22px;
    padding: 14px 18px;
    box-shadow: 0 18px 45px rgba(2, 18, 37, 0.22);
    backdrop-filter: blur(12px);
    font-weight: 800;
}

.page-section {
    padding: clamp(72px, 9vw, 118px) 0;
}

.section-heading {
    max-width: 820px;
    margin: 0 auto 46px;
    text-align: center;
}

.section-heading h2 {
    margin: 14px 0 18px;
    font-size: clamp(2.25rem, 4vw, 4rem);
    line-height: 1.04;
    letter-spacing: -0.045em;
}

.section-heading p {
    margin-left: auto;
    margin-right: auto;
    max-width: 760px;
    color: rgba(3, 78, 98, 0.78);
}

.section-heading.light h2,
.section-heading.light p {
    color: #F2FFF6;
}

.two-col {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
    gap: clamp(32px, 6vw, 76px);
}

.align-center {
    align-items: center;
}

.two-col h2,
.feature-copy h2,
.story-copy-large h2 {
    text-align: left;
    font-size: clamp(2.15rem, 4vw, 3.7rem);
    line-height: 1.06;
    letter-spacing: -0.045em;
    margin: 14px 0 20px;
}

.image-card,
.spec-table-card,
.story-stat-card,
.price-hero-card,
.overview-card,
.contact-card-stack,
.partner-map-card {
    border: 1px solid rgba(35, 134, 137, 0.18);
    border-radius: 34px;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.86), rgba(242, 255, 246, 0.62)),
        radial-gradient(circle at 20% 0%, rgba(37, 197, 233, 0.16), transparent 45%);
    box-shadow: 0 24px 70px rgba(3, 78, 98, 0.12);
    backdrop-filter: blur(16px);
}

.image-card {
    position: relative;
    overflow: hidden;
    min-height: 440px;
    display: grid;
    place-items: center;
    padding: 30px;
}

.image-card img {
    max-width: 100%;
    width: 100%;
    border-radius: 24px;
    object-fit: contain;
    filter: drop-shadow(0 22px 40px rgba(2, 18, 37, 0.22));
}

.color-grid,
.partner-card-grid,
.csr-grid,
.article-grid-premium,
.contact-info-grid,
.experience-grid,
.problem-grid-premium,
.explore-grid,
.values-grid,
.mission-grid,
.module-grid,
.founder-grid,
.sdg-grid {
    display: grid;
    gap: 22px;
}

.color-grid,
.partner-card-grid,
.csr-grid,
.contact-info-grid,
.values-grid,
.mission-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.color-card,
.partner-card-grid article,
.csr-grid article,
.article-grid-premium article,
.contact-info-grid article,
.experience-grid div,
.problem-grid-premium article,
.explore-grid a,
.values-grid div,
.mission-grid article,
.module-card,
.founder-card,
.sdg-grid div {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(35, 134, 137, 0.14);
    border-radius: 28px;
    padding: 28px;
    background: rgba(255, 255, 255, 0.78);
    box-shadow: 0 18px 45px rgba(3, 78, 98, 0.08);
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.color-card:hover,
.partner-card-grid article:hover,
.article-grid-premium article:hover,
.explore-grid a:hover,
.founder-card:hover,
.module-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 60px rgba(3, 78, 98, 0.14);
    border-color: rgba(54, 215, 238, 0.34);
}

.color-card.featured,
.price-card.featured,
.csr-grid .featured {
    border-color: rgba(54, 215, 238, 0.42);
    background:
        radial-gradient(circle at 100% 0%, rgba(54, 215, 238, 0.18), transparent 34%),
        rgba(255, 255, 255, 0.9);
}

.color-dot {
    display: inline-block;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    margin-bottom: 16px;
    box-shadow: inset 0 0 0 6px rgba(255, 255, 255, 0.56), 0 10px 24px rgba(2, 18, 37, 0.12);
}
.color-dot.mint { background: linear-gradient(135deg, #CAFFDE, #36D7EE); }
.color-dot.teal { background: linear-gradient(135deg, #034E62, #25C5E9); }
.color-dot.pearl { background: linear-gradient(135deg, #ffffff, #E1FAFB); }

.pin {
    position: absolute;
    z-index: 3;
    padding: 9px 13px;
    border-radius: 999px;
    background: #021225;
    color: #CAFFDE;
    box-shadow: 0 12px 28px rgba(2, 18, 37, 0.25);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.03em;
}
.pin-camera { top: 12%; left: 10%; }
.pin-speaker { right: 8%; top: 42%; }
.pin-button { left: 12%; bottom: 13%; }

.spec-list.compact {
    display: grid;
    gap: 14px;
    margin-top: 28px;
}
.spec-list.compact div,
.spec-table-card div,
.story-stat-card div {
    display: grid;
    gap: 4px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(3, 78, 98, 0.1);
}
.spec-list.compact div:last-child,
.spec-table-card div:last-child,
.story-stat-card div:last-child { border-bottom: 0; }
.spec-list.compact strong,
.spec-table-card strong,
.story-stat-card strong { color: var(--ye-teal-deep); }
.spec-list.compact span,
.spec-table-card span,
.story-stat-card span { color: rgba(3, 78, 98, 0.74); }

.modules-section,
.mission-section,
.team-section,
.csr-section,
.experience-section,
.explore-section,
.press-kit-section {
    background:
        radial-gradient(circle at 10% 12%, rgba(202, 255, 222, 0.18), transparent 30%),
        radial-gradient(circle at 88% 82%, rgba(37, 197, 233, 0.16), transparent 32%),
        linear-gradient(135deg, #021225 0%, #034E62 55%, #238689 100%) !important;
}


.mission-grid article {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(202, 255, 222, 0.16);
}

.module-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.module-card {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(202, 255, 222, 0.16);
}

.module-card span,
.values-grid span,
.partner-card-grid article > span {
    display: inline-flex;
    color: #36D7EE;
    font-weight: 900;
    margin-bottom: 14px;
}

.module-card h3,
.module-card p,
.mission-grid h3,
.mission-grid p,
.csr-grid h3,
.csr-grid p,
.csr-grid span,
.experience-grid h3,
.experience-grid p,
.explore-grid h3,
.explore-grid p {
    color: #F2FFF6;
}

.module-card.wide {
    grid-column: span 2;
}

.workflow-line,
.roadmap-list,
.timeline-list,
.preorder-steps,
.pilot-steps {
    display: grid;
    gap: 18px;
}

.workflow-line {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.workflow-line div,
.roadmap-list div,
.timeline-list div,
.preorder-steps div,
.pilot-steps div,
.overview-flow div {
    border-radius: 26px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(35, 134, 137, 0.14);
    box-shadow: 0 18px 45px rgba(3, 78, 98, 0.08);
}

.workflow-line strong,
.roadmap-list strong,
.timeline-list strong,
.preorder-steps strong,
.pilot-steps strong,
.experience-grid strong {
    color: #25C5E9;
    font-weight: 900;
}

.spec-table-card,
.story-stat-card,
.price-hero-card,
.overview-card {
    padding: 30px;
}

.story-media {
    min-height: 520px;
}
.story-img {
    height: min(65vh, 560px);
    object-fit: cover;
    border-radius: 38px;
}
.story-quote { left: auto; right: 2%; bottom: 20px; }

.values-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.timeline-list div,
.roadmap-list div,
.preorder-steps div,
.pilot-steps div {
    display: grid;
    grid-template-columns: 110px 1fr;
    align-items: start;
}

.founder-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
}

.founder-card {
    text-align: center;
    background: rgba(255, 255, 255, 0.09);
    border-color: rgba(202, 255, 222, 0.16);
}
.founder-card h3 { color: #F2FFF6; font-size: 1.05rem; }
.founder-card p { color: #36D7EE; font-weight: 900; font-size: 0.9rem; }
.founder-card span { color: rgba(242, 255, 246, 0.78); font-size: 0.9rem; }
.founder-avatar {
    width: 76px;
    height: 76px;
    margin: 0 auto 18px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: #021225;
    font-weight: 950;
    background: linear-gradient(135deg, #CAFFDE, #36D7EE);
    box-shadow: 0 16px 34px rgba(54, 215, 238, 0.22);
}

.sdg-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.sdg-grid div { text-align: center; }
.sdg-grid strong { display: block; font-size: 2rem; color: var(--ye-teal-deep); }

.partner-map-card {
    min-height: 460px;
}
.partner-node {
    position: absolute;
    display: grid;
    place-items: center;
    width: 138px;
    height: 138px;
    border-radius: 50%;
    text-align: center;
    color: #021225;
    font-weight: 900;
    background: linear-gradient(135deg, #CAFFDE, #36D7EE);
    box-shadow: 0 18px 42px rgba(2, 18, 37, 0.2);
}
.partner-node.main { width: 170px; height: 170px; inset: 50%; transform: translate(-50%, -50%); background: linear-gradient(135deg, #ffffff, #CAFFDE); }
.partner-node.n1 { top: 8%; left: 10%; }
.partner-node.n2 { top: 12%; right: 5%; }
.partner-node.n3 { bottom: 7%; right: 10%; }
.partner-node.n4 { bottom: 11%; left: 6%; }
.partner-card-grid ul,
.price-card ul {
    padding-left: 18px;
    color: rgba(3, 78, 98, 0.74);
}

.csr-grid article { background: rgba(255, 255, 255, 0.08); border-color: rgba(202, 255, 222, 0.16); }
.impact-dashboard {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    padding: 28px;
    border-radius: 34px;
    background: linear-gradient(135deg, #034E62, #021225);
    box-shadow: 0 26px 70px rgba(2, 18, 37, 0.18);
}
.impact-dashboard div { text-align: center; color: #F2FFF6; padding: 24px; border-right: 1px solid rgba(202, 255, 222, 0.12); }
.impact-dashboard div:last-child { border-right: 0; }
.impact-dashboard strong { display: block; color: #36D7EE; font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1; }
.impact-dashboard span { color: rgba(242, 255, 246, 0.8); }

.premium-form {
    display: grid;
    gap: 16px;
    padding: 28px;
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(35, 134, 137, 0.16);
    box-shadow: 0 24px 60px rgba(3, 78, 98, 0.11);
}
.form-row { display: grid; gap: 8px; }
.form-row label { color: var(--ye-teal-deep); font-weight: 800; }
.form-row input,
.form-row textarea,
.form-row select {
    width: 100%;
    border: 1px solid rgba(3, 78, 98, 0.18);
    border-radius: 16px;
    background: rgba(242, 255, 246, 0.82);
    color: var(--ye-teal-deep);
    padding: 14px 16px;
    font: inherit;
}
.form-row textarea { min-height: 120px; resize: vertical; }

.news-orb-card {
    min-height: 460px;
    border-radius: 50%;
    background: radial-gradient(circle at 50% 50%, rgba(202, 255, 222, 0.22), rgba(54, 215, 238, 0.08) 45%, transparent 66%);
}
.news-orb-card span {
    position: absolute;
    border-radius: 999px;
    padding: 14px 22px;
    color: #021225;
    font-weight: 900;
    background: rgba(242, 255, 246, 0.9);
    box-shadow: 0 14px 32px rgba(2, 18, 37, 0.22);
}
.news-orb-card span:nth-child(1) { top: 16%; left: 18%; }
.news-orb-card span:nth-child(2) { top: 30%; right: 12%; }
.news-orb-card span:nth-child(3) { bottom: 20%; left: 10%; }
.news-orb-card span:nth-child(4) { bottom: 14%; right: 18%; }
.featured-article {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 28px;
    align-items: stretch;
    padding: clamp(28px, 5vw, 54px);
    border-radius: 38px;
    background: rgba(255, 255, 255, 0.84);
    box-shadow: 0 26px 70px rgba(3, 78, 98, 0.12);
}
.article-meta-card {
    border-radius: 28px;
    padding: 28px;
    background: linear-gradient(135deg, #021225, #034E62);
}
.article-meta-card strong, .article-meta-card span, .article-meta-card p { color: #F2FFF6; }
.article-grid-premium { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.article-grid-premium article span { color: #25C5E9; font-weight: 900; }
.press-kit-card {
    text-align: center;
    max-width: 820px;
    margin: 0 auto;
    padding: clamp(36px, 6vw, 70px);
    border-radius: 40px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(202, 255, 222, 0.16);
}
.press-kit-card h2, .press-kit-card p { color: #F2FFF6; }

.price-hero-card {
    display: grid;
    align-content: center;
    gap: 18px;
    min-height: 410px;
    color: #021225;
}
.price-hero-card strong { font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.02; }
.price-hero-card span { color: var(--ye-teal-deep); font-weight: 900; }
.pricing-grid-premium {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}
.price-card {
    display: flex;
    flex-direction: column;
    gap: 16px;
    border: 1px solid rgba(35, 134, 137, 0.14);
    border-radius: 32px;
    background: rgba(255, 255, 255, 0.84);
    padding: 32px;
    box-shadow: 0 20px 56px rgba(3, 78, 98, 0.1);
}
.price-card > span { color: #25C5E9; font-weight: 900; letter-spacing: 0.12em; text-transform: uppercase; }
.price-line { font-size: clamp(2rem, 4vw, 3rem); color: var(--ye-teal-deep); font-weight: 950; }
.price-line span { font-size: 1rem; color: rgba(3, 78, 98, 0.62); }
.price-card .btn { margin-top: auto; }
.compare-section { background: linear-gradient(135deg, #021225, #034E62) !important; }
.compare-table-wrap {
    overflow-x: auto;
    border-radius: 30px;
    border: 1px solid rgba(202, 255, 222, 0.18);
    box-shadow: 0 24px 70px rgba(2, 18, 37, 0.2);
}
.compare-table { width: 100%; border-collapse: collapse; min-width: 720px; background: rgba(255, 255, 255, 0.06); }
.compare-table th, .compare-table td { padding: 18px 20px; text-align: left; border-bottom: 1px solid rgba(202, 255, 222, 0.12); color: rgba(242, 255, 246, 0.86); }
.compare-table th { color: #CAFFDE; font-weight: 900; background: rgba(255, 255, 255, 0.08); }

.contact-card-stack {
    display: grid;
    align-content: center;
    gap: 16px;
    padding: 28px;
}
.contact-card-stack div,
.response-card {
    border-radius: 24px;
    padding: 22px;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(35, 134, 137, 0.12);
}
.contact-card-stack strong,
.response-card strong { display: block; color: var(--ye-teal-deep); }
.contact-card-stack span,
.response-card span { color: rgba(3, 78, 98, 0.72); }
.contact-info-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.contact-info-grid article span { font-size: 1.8rem; }
.experience-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.experience-grid div { background: rgba(255, 255, 255, 0.08); border-color: rgba(202, 255, 222, 0.16); }
.faq-premium-list { display: grid; gap: 16px; max-width: 900px; margin: 0 auto; }
.faq-premium-list details {
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(35, 134, 137, 0.14);
    box-shadow: 0 14px 36px rgba(3, 78, 98, 0.08);
    padding: 22px 24px;
}
.faq-premium-list summary { color: var(--ye-teal-deep); font-weight: 900; cursor: pointer; }
.faq-premium-list p { margin-top: 12px; margin-bottom: 0; }
.map-placeholder {
    min-height: 360px;
    border-radius: 38px;
    display: grid;
    place-items: center;
    text-align: center;
    padding: 48px;
    background:
        radial-gradient(circle at 50% 50%, rgba(54, 215, 238, 0.16), transparent 40%),
        linear-gradient(135deg, #021225, #034E62);
    color: #F2FFF6;
    box-shadow: 0 26px 70px rgba(2, 18, 37, 0.18);
}
.map-placeholder h2, .map-placeholder p, .map-placeholder span { color: #F2FFF6; }
.map-placeholder span { letter-spacing: 0.2em; font-weight: 900; }

.overview-card { min-height: 390px; align-content: center; display: grid; }
.overview-card strong { color: #021225; font-size: clamp(2.5rem, 5vw, 4.4rem); line-height: 1; }
.problem-grid-premium { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.overview-flow { display: grid; gap: 12px; }
.overview-flow span { text-align: center; color: var(--ye-teal-deep); font-weight: 900; font-size: 1.4rem; }
.explore-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.explore-grid a { background: rgba(255, 255, 255, 0.08); border-color: rgba(202, 255, 222, 0.16); }

@media (max-width: 1100px) {
    .ye-hero-grid,
    .two-col,
    .featured-article {
        grid-template-columns: 1fr;
    }
    .ye-hero-media { min-height: 360px; }
    .module-grid,
    .article-grid-premium,
    .contact-info-grid,
    .values-grid,
    .founder-grid,
    .impact-dashboard,
    .workflow-line,
    .explore-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .founder-grid .founder-card:last-child,
    .module-card.wide { grid-column: span 2; }
}

@media (max-width: 820px) {
    .ye-page-hero { min-height: auto; padding: 72px 0 56px; }
    .page-hero-actions { flex-direction: column; align-items: stretch; }
    .page-hero-actions .btn { width: 100%; }
    .color-grid,
    .partner-card-grid,
    .csr-grid,
    .mission-grid,
    .pricing-grid-premium,
    .contact-info-grid,
    .experience-grid,
    .problem-grid-premium,
    .sdg-grid {
        grid-template-columns: 1fr;
    }
    .workflow-line,
    .module-grid,
    .values-grid,
    .founder-grid,
    .impact-dashboard,
    .article-grid-premium,
    .explore-grid {
        grid-template-columns: 1fr;
    }
    .founder-grid .founder-card:last-child,
    .module-card.wide { grid-column: auto; }
    .timeline-list div,
    .roadmap-list div,
    .preorder-steps div,
    .pilot-steps div {
        grid-template-columns: 1fr;
    }
    .impact-dashboard div { border-right: 0; border-bottom: 1px solid rgba(202, 255, 222, 0.12); }
    .impact-dashboard div:last-child { border-bottom: 0; }
    .partner-node { position: relative; inset: auto !important; transform: none !important; margin: 8px; width: 130px; height: 130px; }
    .partner-map-card { display: flex; flex-wrap: wrap; min-height: auto; justify-content: center; padding: 28px; }
    .story-img { height: auto; }
    .floating-caption, .story-quote { position: relative; left: auto; right: auto; bottom: auto; margin-top: 14px; }
}

@media (max-width: 560px) {
    .ye-hero-copy h1 { font-size: 2.55rem; letter-spacing: -0.045em; }
    .section-heading h2,
    .two-col h2,
    .feature-copy h2,
    .story-copy-large h2 { font-size: 2.05rem; }
    .page-section { padding: 64px 0; }
    .image-card { min-height: 320px; padding: 18px; }
    .pin { position: static; display: inline-flex; margin: 8px 6px 0 0; }
}
.hardware-direct-img {
    width: 100%;
    max-width: 620px;
    display: block;
    border-radius: 28px;
    object-fit: cover;
    box-shadow: 0 24px 60px rgba(3, 78, 98, 0.16);
}
.hardware-layout {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: center;
}

.hardware-content {
    max-width: 520px;
}

.hardware-content h2 {
    text-align: left;
    margin-bottom: 18px;
}

.section-eyebrow {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--ye-cyan-bright);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
}

@media (max-width: 900px) {
    .hardware-layout {
        grid-template-columns: 1fr;
    }

    .hardware-direct-img {
        max-width: 100%;
    }
}
.csr-grid article.featured,
.csr-grid article.featured h3,
.csr-grid article.featured p,
.csr-grid article.featured span {
    color: var(--ye-teal-deep) !important;
}

.csr-grid article.featured h3 {
    color: var(--ink-black) !important;
}

.csr-grid article.featured p,
.csr-grid article.featured span {
    color: #234b55 !important;
}