/* ===== Product page refinement: hero v1, color collection, 5 modules ===== */
.product-page-hero {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 82% 36%, rgba(54, 215, 238, 0.28), transparent 38%),
        radial-gradient(circle at 18% 84%, rgba(132, 247, 206, 0.20), transparent 36%),
        linear-gradient(135deg, var(--ink-black) 0%, #034e62 48%, #0b8d99 100%);
}

.product-page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255,255,255,0.06) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(circle at 70% 48%, black, transparent 68%);
    pointer-events: none;
}

.product-hero-visual {
    position: relative;
    min-height: 520px;
    display: flex;
    align-items: center;
    justify-content: center;
    isolation: isolate;
}

.product-hero-visual::before,
.product-hero-visual::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

.product-hero-visual::before {
    width: 470px;
    height: 470px;
    border: 1px solid rgba(255,255,255,0.38);
    box-shadow:
        inset 0 0 60px rgba(54, 215, 238, 0.20),
        0 0 70px rgba(54, 215, 238, 0.18);
}

.product-hero-visual::after {
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(255,255,255,0.22), rgba(54,215,238,0.08) 48%, transparent 70%);
    filter: blur(4px);
}

.hero-v1-img {
    position: relative;
    z-index: 2;
    width: min(560px, 100%);
    display: block;
    object-fit: contain;
    filter: drop-shadow(0 34px 48px rgba(0,0,0,0.42));
    animation: productFloat 7s ease-in-out infinite;
}

.hero-product-glass-card {
    position: relative;
    z-index: 2;
    width: min(600px, 100%);
    padding: 34px;
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 34px;
    background: linear-gradient(145deg, rgba(255,255,255,0.13), rgba(255,255,255,0.03));
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 34px 80px rgba(2,18,37,0.36);
}

.hero-mini-specs {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 22px;
}

.hero-mini-specs span {
    padding: 12px 10px;
    border-radius: 18px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.20);
    color: var(--ye-bg-mint-light);
    font-size: 0.84rem;
    font-weight: 700;
    text-align: center;
}

@keyframes productFloat {
    0%, 100% { transform: translateY(0) rotate(-1deg); }
    50% { transform: translateY(-14px) rotate(1deg); }
}

.color-collection {
    background:
        radial-gradient(circle at 15% 20%, rgba(132,247,206,0.28), transparent 32%),
        linear-gradient(180deg, #f2fff6 0%, #e1fafb 100%);
}

.color-showcase-grid {
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: clamp(32px, 5vw, 70px);
    align-items: center;
}

.color-product-panel {
    position: relative;
    min-height: 470px;
    border-radius: 38px;
    padding: clamp(24px, 4vw, 42px);
    background:
        radial-gradient(circle at 50% 42%, rgba(255,255,255,0.98), rgba(202,255,222,0.38) 46%, rgba(37,197,233,0.16) 100%);
    border: 1px solid rgba(3,78,98,0.10);
    box-shadow: 0 28px 70px rgba(3,78,98,0.14);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.color-product-panel::before {
    content: "";
    position: absolute;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    border: 1px solid rgba(3,78,98,0.08);
    box-shadow: inset 0 0 60px rgba(255,255,255,0.70);
}

.color-product-panel img {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 620px;
    object-fit: contain;
    filter: drop-shadow(0 26px 35px rgba(3,78,98,0.20));
}

.color-copy h2,
.color-copy .section-heading h2 {
    text-align: left;
    margin-bottom: 18px;
}

.color-copy .section-heading {
    text-align: left;
    margin-bottom: 28px;
}

.color-card-stack {
    display: grid;
    gap: 16px;
}

.color-option-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 16px;
    align-items: start;
    padding: 22px;
    border-radius: 26px;
    background: rgba(255,255,255,0.72);
    border: 1px solid rgba(3,78,98,0.10);
    box-shadow: 0 16px 36px rgba(3,78,98,0.08);
    transition: transform .25s ease, box-shadow .25s ease;
}

.color-option-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 24px 48px rgba(3,78,98,0.13);
}

.color-dot {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 3px solid rgba(255,255,255,0.9);
    box-shadow: 0 8px 22px rgba(3,78,98,0.16);
}

.color-dot.white { background: linear-gradient(135deg, #ffffff, #dff9fb); }
.color-dot.black { background: linear-gradient(135deg, #05070a, #3b4650); }
.color-dot.beige { background: linear-gradient(135deg, #f2dcc4, #b98b65); }

.color-option-card h3 {
    margin-bottom: 4px;
}

.color-option-card p {
    margin-bottom: 0;
}

.modules-section {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 16% 18%, rgba(54,215,238,0.18), transparent 34%),
        linear-gradient(135deg, #021225 0%, #034e62 100%);
}

.modules-visual-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: clamp(26px, 4vw, 50px);
    align-items: stretch;
}

.module-main-card {
    position: relative;
    min-height: 430px;
    padding: clamp(28px, 5vw, 48px);
    border-radius: 36px;
    background:
        linear-gradient(145deg, rgba(255,255,255,0.16), rgba(255,255,255,0.045)),
        radial-gradient(circle at 78% 20%, rgba(54,215,238,0.20), transparent 42%);
    border: 1px solid rgba(255,255,255,0.18);
    box-shadow: 0 28px 70px rgba(0,0,0,0.25);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.module-main-card::before {
    content: "";
    position: absolute;
    right: -110px;
    bottom: -130px;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(132,247,206,0.20), transparent 70%);
}

.module-main-card strong {
    position: relative;
    z-index: 1;
    width: 74px;
    height: 74px;
    border-radius: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--ye-cyan-bright), #84F7CE);
    color: var(--ink-black);
    font-size: 1.8rem;
    box-shadow: 0 18px 34px rgba(54,215,238,0.26);
}

.module-main-card h3 {
    position: relative;
    z-index: 1;
    color: var(--white);
    font-size: clamp(2rem, 4vw, 3.2rem);
    max-width: 620px;
    margin: 22px 0 16px;
}

.module-main-card p {
    position: relative;
    z-index: 1;
    color: rgba(255,255,255,0.82);
    max-width: 620px;
    font-size: 1.08rem;
}

.module-main-tags {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.module-main-tags span {
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(255,255,255,0.10);
    border: 1px solid rgba(255,255,255,0.18);
    color: rgba(255,255,255,0.88);
    font-weight: 700;
    font-size: .86rem;
}

.module-side-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.module-mini-card {
    padding: 22px;
    border-radius: 26px;
    background: rgba(255,255,255,0.94);
    border: 1px solid rgba(255,255,255,0.28);
    box-shadow: 0 18px 38px rgba(0,0,0,0.16);
    transition: transform .25s ease, box-shadow .25s ease;
}

.module-mini-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 28px 52px rgba(0,0,0,0.20);
}

.module-mini-card span {
    width: 44px;
    height: 44px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    background: rgba(54,215,238,0.12);
    color: var(--ye-teal-deep);
    font-weight: 900;
}

.module-mini-card h3 {
    font-size: 1.12rem;
    margin-bottom: 10px;
}

.module-mini-card p {
    font-size: .96rem;
    margin-bottom: 0;
}

@media (max-width: 960px) {
    .product-hero-visual {
        min-height: auto;
        margin-top: 32px;
    }

    .hero-mini-specs {
        grid-template-columns: 1fr;
    }

    .color-showcase-grid,
    .modules-visual-grid {
        grid-template-columns: 1fr;
    }

    .color-copy h2,
    .color-copy .section-heading {
        text-align: center;
    }

    .color-copy .section-heading h2 {
        text-align: center;
    }

    .module-side-grid {
        grid-template-columns: 1fr;
    }

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

/* ===== Đối tượng phục vụ ===== */
.audience-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
}

.audience-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, 0.72);
    box-shadow: 0 18px 45px rgba(3, 78, 98, 0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.audience-grid > div:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 55px rgba(3, 78, 98, 0.13);
}

.audience-grid h3 {
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.audience-grid p {
    margin-bottom: 0;
    font-size: 0.92rem;
    color: var(--text-muted);
}

@media (max-width: 640px) {
    .audience-grid {
        grid-template-columns: 1fr;
    }
}