:root {
    --sand: #fdf5e4;
    --ocean-deep: #0a3d5c;
    --ocean-mid: #1a6b8a;
    --ocean-light: #4db8d4;
    --foam: #fff8e8;
    --gold: #d4870a;
    --gold-light: #f5c430;
    --amber: #f5a623;
    --sun: #ffe066;
    --white: #ffffff;
    --ink: #0d1c2e;
    --muted: rgba(13,28,46,0.55);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--sand);
    background-image: radial-gradient(ellipse at 70% 0%, rgba(255,210,80,0.13) 0%, transparent 60%);
    color: var(--ink);
    overflow-x: hidden;
}

/* ── BACK NAV ── */
.topbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 18px 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: transparent;
    transition: background 0.4s, backdrop-filter 0.4s;
}
.back-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--ocean-deep);
    text-decoration: none;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    cursor: pointer;
    transition: gap 0.3s;
}
.back-btn:hover { gap: 12px; }
.back-btn i { font-size: 16px; }
.topbar-brand {
    font-family: 'Playfair Display', serif;
    font-size: 15px;
    color: var(--ocean-deep);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    opacity: 0.7;
}
.topbar-cta {
    background: var(--ocean-deep);
    color: #fff;
    border: none;
    padding: 10px 22px;
    border-radius: 50px;
    font-family: 'DM Sans', sans-serif;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
}
.topbar-cta:hover { background: var(--ocean-mid); transform: scale(1.04); }

/* ── HERO ── */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('https://images.unsplash.com/photo-1506953823976-52e1fdc0149a?w=1800&auto=format&fit=crop&q=85');
    background-size: cover;
    background-position: center 55%;
    transform: scale(1.05);
    transition: transform 8s ease-out;
}
.hero-bg.loaded { transform: scale(1); }

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(10,100,120,0.05) 0%,
        rgba(10,80,100,0.03) 30%,
        rgba(253,245,228,0.0) 50%,
        rgba(253,245,228,0.75) 80%,
        rgba(253,245,228,1) 100%
    );
}

/* UV rays decoration */
.uv-rays {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 60%;
    pointer-events: none;
    overflow: hidden;
}
.uv-rays svg {
    width: 100%;
    height: 100%;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 0 80px 80px;
    max-width: 780px;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.75);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(200,150,62,0.4);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 24px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.7s ease forwards 0.3s;
}
.hero-label-dot {
    width: 6px; height: 6px;
    background: var(--gold);
    border-radius: 50%;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(72px, 10vw, 130px);
    font-weight: 900;
    line-height: 0.9;
    color: var(--ocean-deep);
    margin-bottom: 6px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease forwards 0.5s;
}
.hero-title em {
    font-style: italic;
    color: var(--ocean-mid);
}

.hero-tagline {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(18px, 2.5vw, 26px);
    font-weight: 300;
    font-style: italic;
    color: var(--ocean-deep);
    margin-bottom: 30px;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.7s;
}

.hero-badges {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.9s;
}
.badge {
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.04em;
}
.badge-primary {
    background: var(--ocean-deep);
    color: #fff;
}
.badge-outline {
    background: rgba(255,255,255,0.7);
    border: 1px solid rgba(10,61,92,0.25);
    color: var(--ocean-deep);
    backdrop-filter: blur(8px);
}

/* ── SCROLL INDICATOR ── */
.scroll-hint {
    position: absolute;
    bottom: 35px;
    right: 60px;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0;
    animation: fadeUp 1s ease forwards 1.4s;
}
.scroll-hint span {
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ocean-deep);
    writing-mode: vertical-rl;
}
.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--ocean-mid), transparent);
    position: relative;
    overflow: hidden;
}
.scroll-line::after {
    content: '';
    position: absolute;
    top: -100%;
    width: 100%;
    height: 50%;
    background: var(--gold);
    animation: scrollDrop 2s ease-in-out infinite;
}
@keyframes scrollDrop {
    0% { top: -50%; }
    100% { top: 150%; }
}

/* ── UV SPECS BAND ── */
.specs-band {
    background: var(--ocean-deep);
    padding: 28px 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    position: relative;
    overflow: hidden;
}
.specs-band::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(245,166,35,0.14), transparent 50%, rgba(77,184,212,0.07));
}
.spec-item {
    display: flex;
    align-items: center;
    gap: 14px;
    position: relative;
    z-index: 1;
}
.spec-icon {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: rgba(77,184,212,0.2);
    border: 1px solid rgba(77,184,212,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--ocean-light);
}
.spec-text strong {
    display: block;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
}
.spec-text span {
    color: rgba(255,255,255,0.5);
    font-size: 11px;
    letter-spacing: 0.06em;
}
.spec-divider {
    width: 1px;
    height: 36px;
    background: rgba(255,255,255,0.12);
}

/* ── ABOUT SECTION ── */
.about-section {
    padding: 100px 80px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
}

.about-section::before {
    content: 'SHIANEX';
    position: absolute;
    top: 60px; left: 50%;
    transform: translateX(-50%);
    font-family: 'Playfair Display', serif;
    font-size: clamp(80px, 12vw, 160px);
    font-weight: 900;
    color: transparent;
    -webkit-text-stroke: 1px rgba(10,61,92,0.07);
    white-space: nowrap;
    pointer-events: none;
    user-select: none;
}

.about-visual {
    position: relative;
}
.lens-showcase {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    aspect-ratio: 4/5;
    box-shadow: 0 40px 80px rgba(10,61,92,0.25);
}
.lens-showcase img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}
.lens-showcase:hover img { transform: scale(1.05); }

.lens-float-card {
    position: absolute;
    bottom: -20px;
    right: -30px;
    background: #fff;
    border-radius: 16px;
    padding: 20px 24px;
    box-shadow: 0 20px 50px rgba(10,61,92,0.18);
    z-index: 2;
    min-width: 200px;
}
.float-num {
    font-family: 'Playfair Display', serif;
    font-size: 48px;
    font-weight: 700;
    color: var(--ocean-deep);
    line-height: 1;
}
.float-num span { font-size: 20px; color: var(--ocean-mid); }
.float-label {
    font-size: 12px;
    color: var(--muted);
    margin-top: 4px;
    font-weight: 500;
}

.about-copy { position: relative; z-index: 1; }

.section-eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}
.eyebrow-line {
    width: 40px; height: 1px;
    background: var(--gold);
}
.eyebrow-text {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(34px, 4vw, 50px);
    font-weight: 700;
    line-height: 1.08;
    color: var(--ocean-deep);
    margin-bottom: 24px;
}
.section-title em {
    color: var(--ocean-mid);
    font-style: italic;
}

.about-text {
    font-size: 15px;
    line-height: 1.85;
    color: var(--muted);
    margin-bottom: 40px;
    font-weight: 400;
}

.keyword-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}
.chip {
    padding: 8px 18px;
    border: 1px solid rgba(10,61,92,0.2);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 500;
    color: var(--ocean-deep);
    background: rgba(10,61,92,0.04);
    transition: all 0.3s;
    cursor: default;
}
.chip:hover {
    background: var(--ocean-deep);
    color: #fff;
    border-color: var(--ocean-deep);
}

/* ── UV TECH SECTION ── */
.uv-section {
    padding: 100px 80px;
    background: var(--ocean-deep);
    position: relative;
    overflow: hidden;
}
.uv-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('https://images.unsplash.com/photo-1504701954957-2010ec3bcec1?w=1800&auto=format&fit=crop&q=60') center / cover;
    opacity: 0.08;
}

.uv-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.uv-title-block .section-eyebrow .eyebrow-line { background: var(--ocean-light); }
.uv-title-block .eyebrow-text { color: var(--ocean-light); }
.uv-title-block .section-title { color: #fff; }
.uv-title-block .section-title em { color: var(--ocean-light); }

.uv-desc {
    font-size: 15px;
    line-height: 1.85;
    color: rgba(255,255,255,0.6);
    margin-top: 20px;
}

.uv-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.uv-feat {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 28px 24px;
    transition: background 0.3s, transform 0.3s;
    position: relative;
    overflow: hidden;
}
.uv-feat::after {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--ocean-light), var(--gold));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}
.uv-feat:hover { background: rgba(255,255,255,0.1); transform: translateY(-4px); }
.uv-feat:hover::after { transform: scaleX(1); }
.feat-icon {
    font-size: 28px;
    margin-bottom: 14px;
    display: block;
}
.feat-title {
    font-family: 'Playfair Display', serif;
    font-size: 17px;
    color: #fff;
    font-weight: 700;
    margin-bottom: 8px;
}
.feat-desc {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    line-height: 1.6;
}

/* ── BEACH LIFESTYLE SECTION ── */
.lifestyle-section {
    padding: 100px 80px;
    position: relative;
}
.lifestyle-section .section-eyebrow { justify-content: center; }
.lifestyle-section .section-title { text-align: center; max-width: 600px; margin: 0 auto 60px; }

.gallery-mosaic {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr;
    grid-template-rows: 280px 280px;
    gap: 16px;
}
.gallery-tile {
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
}
.gallery-tile.tall { grid-row: span 2; }
.gallery-tile img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.gallery-tile:hover img { transform: scale(1.08); }
.gallery-tile-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10,61,92,0.6), transparent 50%);
    opacity: 0;
    transition: opacity 0.4s;
    display: flex;
    align-items: flex-end;
    padding: 24px;
}
.gallery-tile:hover .gallery-tile-overlay { opacity: 1; }
.gallery-tile-label {
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.06em;
}

/* ── PRODUCT DETAIL TABLE ── */
.details-section {
    padding: 100px 80px;
    background: var(--foam);
    background-image: radial-gradient(ellipse at 30% 50%, rgba(255,210,80,0.1) 0%, transparent 70%);
}
.details-inner {
    max-width: 1000px;
    margin: 0 auto;
}
.details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 60px;
}
.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 28px;
    background: #fff;
    border-radius: 12px;
    border: 1px solid rgba(10,61,92,0.08);
    transition: border-color 0.3s, box-shadow 0.3s;
}
.detail-row:hover {
    border-color: rgba(10,61,92,0.2);
    box-shadow: 0 6px 20px rgba(10,61,92,0.07);
}
.detail-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted);
}
.detail-val {
    font-size: 14px;
    font-weight: 600;
    color: var(--ocean-deep);
}

/* ── CTA SECTION ── */
.cta-section {
    padding: 100px 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('https://images.unsplash.com/photo-1501426026826-31c667bdf23d?w=1600&auto=format&fit=crop&q=70') center / cover;
}
.cta-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(253,245,228,0.93), rgba(253,240,200,0.87));
}
.cta-inner {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
}
.cta-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(36px, 5vw, 62px);
    font-weight: 900;
    color: var(--ocean-deep);
    line-height: 1.05;
    margin-bottom: 20px;
}
.cta-sub {
    font-size: 16px;
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 40px;
}
.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.btn-primary {
    background: var(--ocean-deep);
    color: #fff;
    padding: 16px 36px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
    text-decoration: none;
    display: inline-block;
}
.btn-primary:hover { background: var(--ocean-mid); transform: translateY(-2px); }
.btn-ghost {
    background: transparent;
    color: var(--ocean-deep);
    padding: 16px 36px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    border: 2px solid rgba(10,61,92,0.3);
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}
.btn-ghost:hover {
    border-color: var(--ocean-deep);
    background: rgba(10,61,92,0.06);
}

/* ── FOOTER ── */
footer{
    padding: 40px 50px;
    background-color: #00046e;
    position: relative;
    overflow: hidden;
}

footer::after{
    content: "";
    position: absolute;
    width: 300px;
    height: 300px;
    background: rgba(0, 98, 255, 0.25);
    filter: blur(120px);
    top: -80px;
    right: -80px;
}
.links{
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    margin-bottom: 15px;
}
.company{
    display: flex;
    flex-direction: column;
    width: 280px;
    gap: 15px;
    font-size: 14px;
    color: #fff;
}
.company img{
    width: 80px;
    border-radius: 20px;
}
.company p{
    font-size: 16px;
    font-weight: 400;
}
.company button{
    background-color: rgb(0, 98, 255);
    border-radius: 20px;
    border: none;
    outline: none;
    color: #fff;
    font-weight: 500;
    padding: 10px 20px;
    cursor: pointer;
    width: max-content;
    transition: 0.3s;
}
.company button:hover{
    transform: scale(1.12);
}
.products-foot{
    display: flex;
    gap: 15px;
    flex-direction: column;
}
.products-foot h2{
    color: #fff;
    font-size: 16px;
}
.product-list{
    color: #fff;
    font-size: 15px;
    list-style: none;
    text-decoration: none;
}
.product-list li{
    margin-bottom: 10px;
    transition: 0.3s;
    cursor: pointer;
}
.product-list li:hover{
    color: #8c8c8c;
}
.navigation{
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.navigation h2{
    color: #fff;
    font-size: 16px;
    font-weight: 600;
}
.nav-list{
    color: #fff;
    font-size: 15px;
    list-style: none;
    text-decoration: none;
}
.nav-list li{
    margin-bottom: 10px;
    transition: 0.3s;
    cursor: pointer;
}
.nav-list li:hover{
    color: #8c8c8c;
}
.contact{
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.details h2{
    font-size: 16px;
    color: #fff;
    margin-bottom: 10px;
}
.details p{
    font-size: 15px;
    color: #fff;
    line-height: 1.6;
}
.social-head{
    font-size: 16px;
    color: #fff;
}
.icons{
    margin-top: 5px;
    display: flex;
    flex-direction: row;
    gap: 10px;
}
.icon-link{
    text-decoration: none;
    color: #fff;
}
.icon-link i{
    height: 44px;
    width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.34);
    cursor: pointer;
    transition: 0.3s;
}
.fa-instagram:hover{
    color: #E1306C;
    background: rgba(255,255,255);
}

.fa-facebook:hover{
    color: #0000ff;
    background: rgba(255,255,255);
}
.copyright{
    margin-top: 30px;
}
.copyright h5{
    font-size: 16px;
    color: #fff;
    font-weight: 300;
}
hr{
    width: 100vw;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    border: none;
    height: 1px;
    background: rgba(255,255,255,0.2);
    margin: 20px 0;
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.35s; }
.reveal-delay-4 { transition-delay: 0.5s; }

/* ── LENS PRISM OVERLAY ── */
.prism-overlay {
    position: absolute;
    top: 0; right: 0;
    width: 45%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}
.prism-overlay svg {
    width: 100%;
    height: 100%;
}
/*=====responsive========*/
/* ── LARGE DESKTOP (≤1200px) ── */
@media (max-width: 1200px) {
  .topbar { padding: 16px 40px; }

  .hero-content { padding: 0 60px 70px; }

  .specs-band { padding: 22px 40px; }

  .about-section { padding: 80px 40px; gap: 60px; }

  .uv-section { padding: 80px 40px; }

  .lifestyle-section { padding: 80px 40px; }
  .gallery-mosaic { grid-template-rows: 240px 240px; }

  .details-section { padding: 80px 40px; }

  .cta-section { padding: 80px 40px; }
}

/* ── TABLET LANDSCAPE (≤1024px) ── */
@media (max-width: 1024px) {
  /* Topbar */
  .topbar { padding: 16px 32px; }
  .topbar-cta { display: none; }

  /* Hero */
  .hero { min-height: 640px; }
  .hero-content { padding: 0 40px 64px; }
  .scroll-hint { right: 40px; }

  /* Specs band */
  .specs-band { padding: 20px 32px; flex-wrap: wrap; gap: 16px; }
  .spec-divider { display: none; }

  /* About */
  .about-section {
    grid-template-columns: 1fr;
    padding: 70px 32px;
    gap: 48px;
  }
  .about-section::before { display: none; }
  .about-visual { order: -1; max-width: 460px; margin: 0 auto; }
  .lens-showcase { aspect-ratio: 3/2; }
  .lens-float-card { right: -10px; bottom: -14px; }

  /* UV Section */
  .uv-section { padding: 70px 32px; }
  .uv-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .uv-features { grid-template-columns: repeat(2, 1fr); }

  /* Lifestyle */
  .lifestyle-section { padding: 70px 32px; }
  .gallery-mosaic {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 240px 240px;
  }
  .gallery-tile.tall { grid-row: span 1; }

  /* Details */
  .details-section { padding: 70px 32px; }

  /* CTA */
  .cta-section { padding: 70px 32px; }
}

/* ── TABLET PORTRAIT (≤768px) ── */
@media (max-width: 768px) {
  /* Topbar */
  .topbar { padding: 14px 24px; }
  .topbar-brand { display: none; }

  /* Hero */
  .hero-content { padding: 0 24px 56px; max-width: 100%; }
  .hero-title { letter-spacing: -1px; }
  .hero-tagline { font-size: 18px; margin-bottom: 24px; }
  .hero-badges { gap: 8px; }
  .badge { padding: 7px 14px; font-size: 11px; }
  .scroll-hint { display: none; }

  /* Specs band */
  .specs-band { padding: 18px 24px; gap: 18px; }
  .spec-item { gap: 10px; }
  .spec-icon { width: 38px; height: 38px; font-size: 16px; }

  /* About */
  .about-section {
    grid-template-columns: 1fr;
    padding: 55px 24px;
    gap: 36px;
  }
  .lens-float-card { right: 0; bottom: -10px; min-width: 160px; padding: 16px 18px; }
  .float-num { font-size: 38px; }
  .keyword-chips { gap: 8px; }

  /* UV */
  .uv-section { padding: 55px 24px; }
  .uv-features { grid-template-columns: 1fr; }

  /* Lifestyle */
  .lifestyle-section { padding: 55px 24px; }
  .gallery-mosaic {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(5, 200px);
  }
  .gallery-tile.tall { grid-row: span 1; }

  /* Details */
  .details-section { padding: 55px 24px; }
  .details-grid { grid-template-columns: 1fr; gap: 12px; }

  /* CTA */
  .cta-section { padding: 60px 24px; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .btn-primary, .btn-ghost { width: 100%; max-width: 320px; text-align: center; }

  /* Footer */
  .links { flex-direction: column; gap: 36px; }
  .company { width: 100%; }
}

/* ── MOBILE (≤480px) ── */
@media (max-width: 480px) {
  /* Topbar */
  .topbar { padding: 13px 18px; }

  /* Hero */
  .hero-content { padding: 0 18px 48px; }
  .hero-label { font-size: 9px; padding: 5px 12px; }
  .hero-title { letter-spacing: 0px; }
  .hero-badges { gap: 7px; }

  /* Specs band */
  .specs-band { padding: 16px 18px; }
  .spec-text strong { font-size: 13px; }

  /* About */
  .about-section { padding: 44px 18px; }
  .lens-showcase { aspect-ratio: 4/3; }
  .lens-float-card { position: static; margin-top: 16px; border-radius: 12px; }

  /* UV */
  .uv-section { padding: 44px 18px; }
  .uv-feat { padding: 22px 18px; }

  /* Lifestyle */
  .lifestyle-section { padding: 44px 18px; }
  .gallery-mosaic { grid-template-rows: repeat(5, 180px); gap: 10px; }

  /* Details */
  .details-section { padding: 44px 18px; }
  .detail-row { padding: 16px 18px; flex-direction: column; align-items: flex-start; gap: 4px; }

  /* CTA */
  .cta-section { padding: 50px 18px; }

  /* Footer */
  footer { padding: 30px 18px; }
  .links { gap: 28px; }
}

/* ── SMALL MOBILE (≤360px) ── */
@media (max-width: 360px) {
  .hero-content { padding: 0 14px 40px; }
  .specs-band { padding: 14px; gap: 14px; }
  .about-section { padding: 36px 14px; }
  .uv-section { padding: 36px 14px; }
  .lifestyle-section { padding: 36px 14px; }
  .details-section { padding: 36px 14px; }
  .cta-section { padding: 44px 14px; }
  footer { padding: 24px 14px; }
}