/* Light theme (default) */
  :root,
  html[data-theme="light"] {
    --black: #fbfbfd;
    --graphite: #ffffff;
    --charcoal: #f5f5f7;
    --steel: #d8d8dc;
    --mid: #aeaeb2;
    --silver: #6e6e73;
    --muted: #86868b;
    --light: #1d1d1f;
    --white: #1d1d1f;
    --accent: #0071e3;
    --accent-dim: rgba(0, 113, 227, 0.35);
    --green: #4ade80;
    --border: rgba(0, 0, 0, 0.08);
    --cta-fg: #ffffff;
    --btn-hover: #0077ed;
    --radius-pill: 980px;
    --radius-card: 18px;
    --product-gap: 20px;
    --nav-y: 14px;
    --nav-x: max(22px, 5vw);
    --font-ui: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  }

  html[data-theme="dark"] {
    --black: #0a0a0a;
    --graphite: #111318;
    --charcoal: #1c1f27;
    --steel: #2a2e38;
    --mid: #3d4252;
    --silver: #8892a4;
    --muted: #5a6175;
    --light: #c8d0de;
    --white: #f0f2f6;
    --accent: #c8a96e;
    --accent-dim: #9e7f48;
    --border: rgba(200, 210, 222, 0.08);
    --cta-fg: #0a0a0a;
    --btn-hover: #d4b87a;
    --radius-pill: 0;
    --radius-card: 0;
    --product-gap: 2px;
    --nav-y: 22px;
    --nav-x: 48px;
    --font-ui: 'DM Sans', sans-serif;
  }

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

  html { scroll-behavior: smooth; }

  body {
    background: var(--black);
    color: var(--silver);
    font-family: var(--font-ui);
    font-weight: 400;
    overflow-x: hidden;
  }
  html[data-theme="dark"] body { font-weight: 300; }
  html[data-theme="light"] body { -webkit-font-smoothing: antialiased; }

  /* ── NAV (centered links: logo | links | theme + CTA) ── */
  nav.site-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    grid-template-areas: "logo mid end";
    align-items: center;
    column-gap: 20px;
    padding: var(--nav-y) var(--nav-x);
    min-height: 52px;
    transition: background 0.3s, border-color 0.3s;
  }
  html[data-theme="light"] nav.site-nav {
    background: rgba(251, 251, 253, 0.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid transparent;
  }
  html[data-theme="light"] nav.site-nav.scrolled {
    background: rgba(251, 251, 253, 0.92);
    border-bottom-color: var(--border);
  }
  html[data-theme="dark"] nav.site-nav {
    background: linear-gradient(to bottom, rgba(10, 10, 10, 0.98), transparent);
    backdrop-filter: none;
  }
  html[data-theme="dark"] nav.site-nav.scrolled {
    background: rgba(10, 10, 10, 0.97);
    border-bottom: 1px solid var(--border);
  }
  .nav-logo {
    grid-area: logo;
    justify-self: start;
    text-decoration: none;
    color: var(--white);
  display: inline-flex;
  align-items: center;
}
.nav-logo img {
  display: block;
  height: 28px;
  width: auto;
  object-fit: contain;
  }
html[data-theme="dark"] nav.site-nav .nav-logo {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  overflow: hidden;
  background: #0a0a0a;
}
html[data-theme="dark"] nav.site-nav .nav-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
  html[data-theme="light"] .nav-logo {
    font-family: var(--font-ui);
    font-size: 21px;
    font-weight: 600;
    letter-spacing: -0.03em;
  }
  html[data-theme="dark"] .nav-logo {
    font-family: 'DM Mono', monospace;
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 0.25em;
  }
  .nav-links {
    grid-area: mid;
    justify-self: center;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 28px;
    list-style: none;
  }
  html[data-theme="light"] .nav-links {
    gap: 32px;
  }
  html[data-theme="light"] .nav-links a {
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 400;
    letter-spacing: -0.01em;
    text-transform: none;
    color: var(--white);
    opacity: 0.9;
    text-decoration: none;
    transition: color 0.2s, opacity 0.2s;
  }
  html[data-theme="light"] .nav-links a:hover {
    color: var(--accent);
    opacity: 1;
  }
  html[data-theme="dark"] .nav-links a {
    font-family: 'DM Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--silver);
    text-decoration: none;
    transition: color 0.2s;
  }
  html[data-theme="dark"] .nav-links a:hover { color: var(--white); }

  .nav-end {
    grid-area: end;
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .theme-toggle {
    font-family: 'DM Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    border: 1px solid var(--border);
    background: var(--charcoal);
    color: var(--muted);
    padding: 8px 14px;
    border-radius: var(--radius-pill);
    transition: color 0.2s, border-color 0.2s, background 0.2s;
  }
  html[data-theme="light"] .theme-toggle {
    background: #ffffff;
  }
  html[data-theme="light"] .theme-toggle:hover {
    color: var(--accent);
    border-color: rgba(0, 113, 227, 0.35);
  }
  html[data-theme="dark"] .theme-toggle:hover {
    color: var(--accent);
    border-color: var(--accent-dim);
  }

  .nav-cta {
    font-family: 'DM Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--cta-fg);
    background: var(--accent);
    padding: 10px 22px;
    border-radius: var(--radius-pill);
    text-decoration: none;
    transition: background 0.2s;
    white-space: nowrap;
  }
  html[data-theme="light"] .nav-cta {
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0;
    text-transform: none;
    padding: 8px 18px;
  }
  .nav-cta:hover { background: var(--btn-hover); }

  /* ── HERO ── */
  #hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    background: var(--black);
  }
  html[data-theme="dark"] #hero {
  justify-content: center;
    padding: 0 48px 80px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 44%);
  column-gap: clamp(28px, 5vw, 84px);
  align-content: end;
  align-items: center;
  }
  html[data-theme="light"] #hero {
    justify-content: center;
    padding: max(100px, 12vh) max(32px, 5vw) 80px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 46%);
    column-gap: clamp(28px, 5vw, 84px);
    align-content: center;
    align-items: center;
  }

  .hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
  }
  html[data-theme="dark"] .hero-bg {
    background:
      radial-gradient(ellipse 60% 50% at 70% 40%, rgba(200, 169, 110, 0.07) 0%, transparent 70%),
      radial-gradient(ellipse 40% 60% at 20% 80%, rgba(74, 222, 128, 0.04) 0%, transparent 60%);
  }
  html[data-theme="light"] .hero-bg {
    background:
      radial-gradient(ellipse 80% 60% at 50% -20%, rgba(0, 113, 227, 0.08) 0%, transparent 55%),
      radial-gradient(ellipse 50% 40% at 100% 60%, rgba(142, 142, 147, 0.06) 0%, transparent 50%);
  }
  .hero-grid {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 70%, transparent 100%);
  }
  html[data-theme="light"] .hero-grid { display: none; }

  .hero-tag {
    font-family: 'DM Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 28px;
    opacity: 0;
    animation: fadeUp 0.8s 0.3s forwards;
  }
  html[data-theme="light"] .hero-tag {
    font-family: var(--font-ui);
    font-size: 12px;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
  }

  .hero-title {
    font-size: clamp(3.2rem, 7vw, 7rem);
    line-height: 1.04;
    color: var(--white);
    max-width: 900px;
    margin-bottom: 36px;
    opacity: 0;
    animation: fadeUp 0.9s 0.5s forwards;
  }
  html[data-theme="dark"] .hero-title {
    font-family: 'DM Serif Display', serif;
  }
  html[data-theme="light"] .hero-title {
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: clamp(2.75rem, 7vw, 5.5rem);
    letter-spacing: -0.045em;
    margin-bottom: 20px;
  }
  html[data-theme="dark"] .hero-title em {
    font-style: italic;
    color: var(--accent);
  }
  html[data-theme="light"] .hero-title em {
    font-style: normal;
    background: linear-gradient(135deg, #0071e3 0%, #00a3ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .hero-sub {
    color: var(--silver);
    max-width: 480px;
    line-height: 1.7;
    margin-bottom: 48px;
    opacity: 0;
    animation: fadeUp 0.9s 0.7s forwards;
  }
  html[data-theme="dark"] .hero-sub { font-size: 1.05rem; }
  html[data-theme="light"] .hero-sub {
    font-size: 21px;
    letter-spacing: -0.022em;
    line-height: 1.381;
    max-width: 540px;
    margin-bottom: 36px;
  }

  .hero-actions {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 0.9s 0.9s forwards;
  }
  html[data-theme="light"] .hero-actions { gap: 16px; }

#hero .hero-tag,
#hero .hero-title,
#hero .hero-sub,
#hero .hero-actions,
#hero .hero-stats {
    grid-column: 1;
  }
  html[data-theme="light"] .hero-stats {
    margin-top: 48px;
  }
html[data-theme="dark"] .hero-stats {
  margin-top: 36px;
}
  .hero-media {
    position: relative;
    grid-column: 2;
    grid-row: 1 / span 5;
    justify-self: end;
    align-self: center;
    width: min(100%, 760px);
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: #000;
    box-shadow: 0 22px 60px rgba(0, 0, 0, 0.14);
    opacity: 0;
    transform: translateY(18px);
    animation: fadeUp 0.9s 1s forwards;
  }
  .hero-media video {
    width: 100%;
    display: block;
    aspect-ratio: 16 / 9;
    object-fit: cover;
  }
  .hero-media-controls {
    position: absolute;
    right: 14px;
    bottom: 14px;
    display: flex;
    gap: 8px;
    z-index: 2;
  }
  .hero-media-btn {
  border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.14);
    color: #fff;
    font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.04em;
  text-transform: none;
  padding: 8px 13px;
    cursor: pointer;
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.15);
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  }
  .hero-media-btn:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-1px) scale(1.015);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.2);
}
.hero-media-btn:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.65);
  outline-offset: 2px;
  }
  html[data-theme="light"] .hero-media-btn {
    font-family: var(--font-ui);
    font-size: 11px;
  letter-spacing: -0.01em;
    text-transform: none;
  color: #1d1d1f;
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}
html[data-theme="light"] .hero-media-btn:hover {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(0, 0, 0, 0.14);
}
html[data-theme="light"] .hero-media-btn:focus-visible {
  outline: 2px solid rgba(0, 113, 227, 0.4);
  }


  .btn-primary {
    background: var(--accent);
    color: var(--cta-fg);
    padding: 16px 36px;
    text-decoration: none;
    transition: background 0.2s, transform 0.2s;
    display: inline-block;
    border-radius: var(--radius-pill);
  }
  html[data-theme="dark"] .btn-primary {
    font-family: 'DM Mono', monospace;
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }
  html[data-theme="light"] .btn-primary {
    font-family: var(--font-ui);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0;
    text-transform: none;
    padding: 12px 28px;
  }
  .btn-primary:hover { background: var(--btn-hover); transform: translateY(-1px); }
  html[data-theme="light"] .btn-primary:hover { transform: scale(1.02); }

  .btn-ghost {
    color: var(--silver);
    text-decoration: none;
    transition: color 0.2s;
  }
  html[data-theme="dark"] .btn-ghost {
    font-family: 'DM Mono', monospace;
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border-bottom: 1px solid var(--muted);
    padding-bottom: 2px;
  }
  html[data-theme="light"] .btn-ghost {
    font-family: var(--font-ui);
    font-size: 14px;
    font-weight: 500;
    color: var(--accent);
    border: none;
    padding-bottom: 0;
  }
  .btn-ghost:hover { color: var(--white); }
  html[data-theme="light"] .btn-ghost:hover { opacity: 0.75; color: var(--accent); }

  .hero-stats {
    display: flex;
    opacity: 0;
  }
  html[data-theme="dark"] .hero-stats {
  position: static;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 40px;
  animation: fadeUp 0.9s 0.72s forwards;
  }
  html[data-theme="light"] .hero-stats {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 48px;
    margin-top: 72px;
    animation: fadeUp 0.9s 0.72s forwards;
  }
  html[data-theme="light"] .stat-item { text-align: left; }
html[data-theme="dark"] .stat-item { text-align: left; }

  .stat-num {
    font-size: 2.4rem;
    color: var(--white);
    line-height: 1;
  }
  html[data-theme="dark"] .stat-num { font-family: 'DM Serif Display', serif; }
  html[data-theme="light"] .stat-num {
    font-family: var(--font-ui);
    font-size: 40px;
    font-weight: 600;
    letter-spacing: -0.03em;
  }
  .stat-label {
    font-family: 'DM Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
    margin-top: 4px;
  }
  html[data-theme="light"] .stat-label {
    font-size: 12px;
    text-transform: none;
    letter-spacing: 0.02em;
    font-weight: 500;
  }

  .scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0;
    animation: fadeUp 0.9s 1.3s forwards;
  }
  .scroll-indicator span {
    font-family: 'DM Mono', monospace;
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--muted);
  }
  html[data-theme="light"] .scroll-indicator span {
    font-family: var(--font-ui);
    font-size: 11px;
  }
  .scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: scrollPulse 2s infinite;
  }
  html[data-theme="light"] .scroll-line { height: 40px; opacity: 0.5; }

  /* ── BRAND MARQUEE ── */
  .marquee-wrap {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    overflow: hidden;
    padding: 16px 0;
    background: var(--graphite);
  }
  .marquee-inner {
    display: flex;
    gap: 0;
    animation: marquee 28s linear infinite;
    white-space: nowrap;
  }
  .marquee-item {
    font-family: 'DM Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--muted);
    padding: 0 40px;
    flex-shrink: 0;
  }
  .marquee-item span { color: var(--accent); margin-right: 40px; }

  /* ── SECTION COMMONS ── */
  section { padding: 120px 48px; }
  .section-tag {
    font-family: 'DM Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 20px;
  }
  .section-title {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(2rem, 4vw, 3.6rem);
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 20px;
  }
  html[data-theme="light"] .section-title {
    font-family: var(--font-ui);
    font-weight: 600;
    letter-spacing: -0.035em;
  }
  .section-body {
    font-size: 1rem;
    color: var(--silver);
    line-height: 1.8;
    max-width: 520px;
  }

  /* ── PRODUCTS ── */
  #products { background: var(--graphite); }
  .products-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 48px;
    gap: 32px;
    flex-wrap: wrap;
  }

  .products-family {
    position: relative;
    margin: 0 0 48px;
    border-radius: var(--radius-card);
    overflow: hidden;
    border: 1px solid var(--border);
    background: linear-gradient(165deg, var(--charcoal) 0%, var(--black) 100%);
  }
  /* 完整展示主图：避免固定比例 + cover 裁切 */
  .products-family__frame {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(12px, 2vw, 20px);
    line-height: 0;
  }
  .products-family img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
    object-position: center;
  }
  html[data-theme="light"] .products-family {
    background: linear-gradient(180deg, #ececf2 0%, #f5f5f7 40%, #e8e8ed 100%);
  }
  .products-family figcaption {
    position: relative;
    padding: 18px 24px 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.12) 100%);
    pointer-events: none;
  }
  html[data-theme="light"] .products-family figcaption {
    background: linear-gradient(to top, rgba(255, 255, 255, 0.97) 0%, rgba(255, 255, 255, 0.5) 100%);
  }
  .products-family__tag {
    font-family: 'DM Mono', monospace;
    font-size: 0.58rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 6px;
  }
  html[data-theme="light"] .products-family__tag {
    color: var(--muted);
  }
  .products-family__title {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(1.15rem, 2.2vw, 1.5rem);
    color: #fff;
    line-height: 1.25;
    letter-spacing: -0.02em;
  }
  html[data-theme="light"] .products-family__title {
    font-family: var(--font-ui);
    font-weight: 600;
    color: var(--white);
  }

  .product-series-block {
    margin-bottom: 72px;
  }
  .product-series-block:last-of-type {
    margin-bottom: 40px;
  }
  .product-series-block__head {
    margin-bottom: 22px;
  }
  .product-series-block .section-tag {
    font-size: 0.55rem;
    letter-spacing: 0.2em;
    margin-bottom: 6px;
    opacity: 0.88;
  }
  .product-series-block__title {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(1.05rem, 2vw, 1.32rem);
    font-weight: 500;
    color: var(--white);
    letter-spacing: -0.03em;
    line-height: 1.3;
    margin: 2px 0 8px;
  }
  html[data-theme="light"] .product-series-block__title {
    font-family: var(--font-ui);
    font-weight: 600;
  }
  .product-series-block__lead {
    font-size: 0.84rem;
    color: var(--silver);
    line-height: 1.58;
    max-width: 38em;
  }

  /* K29：左对齐 + 左侧色条（编辑感） */
  #series-k29 .product-series-block__head {
    max-width: min(28rem, 100%);
    padding-left: 16px;
    border-left: 3px solid var(--accent);
  }
  /* K39：右对齐 + 右侧色条，与 K29 形成对错节奏 */
  #series-k39 .product-series-block__head {
    max-width: min(28rem, 100%);
    margin-left: auto;
    text-align: right;
    padding-right: 16px;
    border-right: 3px solid var(--accent);
    border-left: none;
    padding-left: 0;
  }
  #series-k39 .product-series-block__lead {
    margin-left: auto;
  }
  .product-series-block__grid {
    display: grid;
    gap: var(--product-gap);
  }
  .product-series-block__grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-series-block__grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

  .products-footer-cta {
    text-align: center;
    padding: 8px 0 16px;
  }

  .product-card {
    position: relative;
    background: var(--charcoal);
    overflow: hidden;
    transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.35s;
    border-radius: var(--radius-card);
  }
  html[data-theme="light"] .product-card {
    border: 1px solid var(--border);
  }
  .product-card:hover { transform: translateY(-6px); }
  html[data-theme="light"] .product-card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
  }

  /* Main photo: click opens lightbox carousel — 首图完整显示（contain），避免 cover + 固定比例裁切 */
  .product-media {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin: 0;
    padding: 12px 14px;
    border: 0;
    cursor: zoom-in;
    text-align: left;
    background: linear-gradient(145deg, var(--steel) 0%, var(--charcoal) 55%);
    overflow: hidden;
    border-radius: var(--radius-card) var(--radius-card) 0 0;
  }
  html[data-theme="light"] .product-media {
    background: linear-gradient(165deg, #ececf2 0%, #f5f5f7 50%, #e2e2e9 100%);
  }
  html[data-theme="dark"] .product-media {
    border-radius: 0;
  }
  .product-media:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    z-index: 2;
  }
  .product-card .product-media {
    aspect-ratio: 4 / 3;
    min-height: 200px;
  }
  .product-cover {
    flex: 0 1 auto;
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    object-position: center;
    display: block;
    transition: transform 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }
  .product-media:hover .product-cover { transform: scale(1.03); }
  .product-media__dim {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.55) 0%, transparent 45%);
    opacity: 0.85;
    pointer-events: none;
    transition: opacity 0.35s;
  }
  html[data-theme="light"] .product-media__dim {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.35) 0%, transparent 40%);
  }
  .product-media:hover .product-media__dim { opacity: 1; }
  .product-media__hint {
    position: absolute;
    left: 16px;
    bottom: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'DM Mono', monospace;
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.95);
    z-index: 1;
    pointer-events: none;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.35s, transform 0.35s;
  }
  html[data-theme="light"] .product-media__hint {
    font-family: var(--font-ui);
    font-size: 11px;
    letter-spacing: 0.1em;
  }
  .product-media:hover .product-media__hint {
    opacity: 1;
    transform: translateY(0);
  }
  .product-media__hint svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    opacity: 0.9;
  }
  .product-media__count {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 2;
    font-family: 'DM Mono', monospace;
    font-size: 0.58rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--cta-fg);
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(8px);
    padding: 6px 10px;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(255, 255, 255, 0.12);
    pointer-events: none;
  }
  html[data-theme="light"] .product-media__count {
    font-family: var(--font-ui);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.06em;
    background: rgba(255, 255, 255, 0.92);
    color: var(--white);
    border-color: var(--border);
    text-transform: none;
  }
  .product-media.is-broken .product-cover { display: none; }
  .product-media.is-broken::after {
    content: 'IMG';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'DM Mono', monospace;
    font-size: 2rem;
    color: var(--mid);
  }

  /* Gallery lightbox */
  .p-gallery {
    position: fixed;
    inset: 0;
    z-index: 400;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s, visibility 0.3s;
  }
  .p-gallery.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .p-gallery__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.82);
    backdrop-filter: blur(6px);
    cursor: pointer;
  }
  html[data-theme="light"] .p-gallery__backdrop {
    background: rgba(15, 15, 20, 0.78);
  }
  .p-gallery__shell {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: min(1120px, 96vw);
    max-height: min(90vh, 900px);
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .p-gallery__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
  }
  .p-gallery__title {
    font-family: 'DM Serif Display', serif;
    font-size: 1.35rem;
    color: #f5f5f7;
    letter-spacing: -0.02em;
  }
  html[data-theme="light"] .p-gallery__title {
    font-family: var(--font-ui);
    font-weight: 600;
  }
  .p-gallery__close {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
  }
  .p-gallery__close:hover {
    background: rgba(255, 255, 255, 0.14);
    transform: scale(1.06);
  }
  .p-gallery__stage-wrap {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-height: 0;
  }
  .p-gallery__frame {
    flex: 1;
    min-height: 200px;
    max-height: min(72vh, 760px);
    border-radius: 12px;
    overflow: hidden;
    background: #111;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .p-gallery__img {
    width: 100%;
    height: 100%;
    max-height: min(72vh, 760px);
    object-fit: contain;
    display: block;
  }
  .p-gallery__nav {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s;
  }
  .p-gallery__nav:hover { background: rgba(255, 255, 255, 0.18); }
  .p-gallery__nav:disabled {
    opacity: 0.25;
    cursor: default;
  }
  @media (max-width: 700px) {
    .p-gallery__stage-wrap { flex-direction: column; }
    .p-gallery__nav { width: 100%; height: 44px; border-radius: 10px; }
  }
  .p-gallery__meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    font-family: 'DM Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.55);
  }
  .p-gallery__thumbs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
    max-height: 88px;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 4px;
  }
  .p-gallery__thumbs button {
    flex-shrink: 0;
    width: 72px;
    height: 48px;
    padding: 0;
    border: 2px solid transparent;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    opacity: 0.65;
    transition: opacity 0.2s, border-color 0.2s;
    background: #222;
  }
  .p-gallery__thumbs button img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .p-gallery__thumbs button.is-active {
    opacity: 1;
    border-color: var(--accent);
  }
  body.p-gallery-open { overflow: hidden; }

  .product-info {
    padding: 28px 28px 32px;
  }
  .product-series {
    font-family: 'DM Mono', monospace;
    font-size: 0.62rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 8px;
  }
  .product-name {
    font-family: 'DM Serif Display', serif;
    font-size: 1.7rem;
    color: var(--white);
    margin-bottom: 12px;
  }
  html[data-theme="light"] .product-name {
    font-family: var(--font-ui);
    font-weight: 600;
    letter-spacing: -0.025em;
  }
  .product-desc {
    font-size: 0.85rem;
    color: var(--silver);
    line-height: 1.6;
    margin-bottom: 20px;
  }
  .product-specs {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 24px;
  }
  .spec-row {
    display: flex;
    gap: 12px;
    align-items: baseline;
  }
  .spec-key {
    font-family: 'DM Mono', monospace;
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted);
    min-width: 80px;
  }
  .spec-val {
    font-family: 'DM Mono', monospace;
    font-size: 0.72rem;
    color: var(--light);
  }
  .product-link {
    font-family: 'DM Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid var(--accent-dim);
    padding-bottom: 1px;
    transition: color 0.2s;
  }
  html[data-theme="dark"] .product-link:hover { color: #d4b87a; }
  html[data-theme="light"] .product-link:hover { color: var(--btn-hover); }

  /* ── BRAND STORY ── */
  #story { background: var(--black); }
  .story-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
  }
  .story-left { position: sticky; top: 120px; }
  .story-quote {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(1.4rem, 2.5vw, 2.2rem);
    font-style: italic;
    color: var(--white);
    line-height: 1.45;
    margin-top: 40px;
    padding-left: 24px;
    border-left: 2px solid var(--accent);
  }
  html[data-theme="light"] .story-quote {
    font-family: var(--font-ui);
    font-style: normal;
    font-weight: 500;
    color: var(--silver);
    border-left-width: 3px;
  }
  .story-right { display: flex; flex-direction: column; gap: 48px; }
  .story-block p {
    font-size: 1rem;
    color: var(--silver);
    line-height: 1.85;
    margin-bottom: 16px;
  }
  .founder-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: var(--charcoal);
    border: 1px solid var(--border);
    margin-top: 16px;
    border-radius: var(--radius-card);
  }
  .founder-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-dim), var(--steel));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'DM Serif Display', serif;
    font-size: 1.4rem;
    color: var(--white);
    flex-shrink: 0;
  }
  html[data-theme="light"] .founder-avatar {
    background: linear-gradient(145deg, #0071e3, #5ac8fa);
    color: #ffffff;
    font-family: var(--font-ui);
    font-weight: 600;
  }
  .founder-info h4 {
    font-family: 'DM Mono', monospace;
    font-size: 0.8rem;
    color: var(--white);
    font-weight: 500;
    margin-bottom: 4px;
  }
  .founder-info p {
    font-family: 'DM Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    color: var(--muted);
    margin: 0;
    line-height: 1.4;
  }

  /* ── TIMELINE ── */
  #timeline { background: var(--graphite); }
  .timeline-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--product-gap);
    margin-top: 64px;
  }
  .timeline-item {
    background: var(--charcoal);
    padding: 36px 32px 40px;
    position: relative;
    overflow: hidden;
    transition: background 0.3s;
    border-radius: var(--radius-card);
  }
  .timeline-item:hover { background: var(--steel); }
  .timeline-item::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
    opacity: 0;
    transition: opacity 0.3s;
  }
  .timeline-item:hover::before { opacity: 1; }
  .timeline-year {
    font-family: 'DM Serif Display', serif;
    font-size: 2.8rem;
    color: var(--steel);
    line-height: 1;
    margin-bottom: 20px;
    transition: color 0.3s;
  }
  .timeline-item:hover .timeline-year { color: var(--mid); }
  .timeline-item--now {
    border-top: 2px solid var(--accent);
  }
  html[data-theme="light"] .timeline-item--now {
    background: linear-gradient(165deg, rgba(0, 113, 227, 0.06) 0%, var(--charcoal) 100%);
    border-top-color: rgba(0, 113, 227, 0.15);
  }
  html[data-theme="light"] .timeline-item--now .timeline-year {
    color: var(--accent);
  }
  html[data-theme="dark"] .timeline-item--now {
    background: var(--steel);
  }
  html[data-theme="dark"] .timeline-item--now .timeline-year {
    color: var(--accent);
  }
  .timeline-event {
    font-family: 'DM Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
  }
  .timeline-desc {
    font-size: 0.88rem;
    color: var(--silver);
    line-height: 1.7;
  }

  /* ── PILLARS ── */
  #pillars { background: var(--black); }
  .pillars-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: end;
    margin-bottom: 72px;
  }
  .pillars-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--product-gap);
  }
  .pillar-card {
    background: var(--charcoal);
    padding: 40px 32px 44px;
    border-bottom: 2px solid transparent;
    border-radius: var(--radius-card);
    transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
  }
  .pillar-card:hover { background: var(--steel); border-bottom-color: var(--accent); }
  html[data-theme="light"] .pillar-card {
    border: 1px solid var(--border);
    border-bottom: 2px solid transparent;
  }
  html[data-theme="light"] .pillar-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  }
  .pillar-icon {
    font-size: 1.8rem;
    margin-bottom: 24px;
    display: block;
  }
  .pillar-num {
    font-family: 'DM Mono', monospace;
    font-size: 0.6rem;
    letter-spacing: 0.25em;
    color: var(--muted);
    margin-bottom: 16px;
  }
  .pillar-title {
    font-family: 'DM Serif Display', serif;
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 14px;
    line-height: 1.2;
  }
  html[data-theme="light"] .pillar-title {
    font-family: var(--font-ui);
    font-weight: 600;
  }
  .pillar-body {
    font-size: 0.88rem;
    color: var(--silver);
    line-height: 1.7;
  }

  /* ── REVIEWS ── */
  #reviews { background: var(--graphite); }
  .reviews-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 64px;
  }
  #reviews .reviews-header {
    margin-bottom: 48px;
  }
  .reviews-marquee {
    margin: 0 -48px;
    width: calc(100% + 96px);
  }
  .reviews-row {
    overflow: hidden;
    padding: 6px 0;
    mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent);
  }
  .reviews-row + .reviews-row {
    margin-top: var(--product-gap);
  }
  .reviews-row__track {
    display: flex;
    width: max-content;
    gap: var(--product-gap);
    animation: reviewsRowScroll 52s linear infinite;
    will-change: transform;
  }
  .reviews-row--reverse .reviews-row__track {
    animation-direction: reverse;
    animation-duration: 60s;
  }
  .reviews-row:hover .reviews-row__track {
    animation-play-state: paused;
  }
  .reviews-row__chunk {
    display: flex;
    gap: var(--product-gap);
    flex-shrink: 0;
  }
  @keyframes reviewsRowScroll {
    0% { transform: translate3d(0, 0, 0); }
    100% { transform: translate3d(-50%, 0, 0); }
  }
  @media (prefers-reduced-motion: reduce) {
    .reviews-row__track {
      animation: none !important;
    }
  }
  .review-card {
    background: var(--charcoal);
    padding: 36px 32px 40px;
    position: relative;
    border-radius: var(--radius-card);
  }
  .review-card--marquee {
    flex: 0 0 clamp(280px, 36vw, 400px);
    width: clamp(280px, 36vw, 400px);
    max-width: 400px;
    padding: 26px 24px 30px;
    display: flex;
    flex-direction: column;
  }
  .review-card--marquee .review-text {
    flex: 1;
    margin-bottom: 20px;
    font-size: 0.84rem;
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  html[data-theme="light"] .review-card {
    border: 1px solid var(--border);
  }
  .review-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
  }
  .star { color: var(--accent); font-size: 0.9rem; }
  .review-text {
    font-size: 0.9rem;
    color: var(--silver);
    line-height: 1.75;
    margin-bottom: 28px;
    font-style: italic;
  }
  html[data-theme="light"] .review-text { font-style: normal; }
  .review-author {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .review-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--steel);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'DM Serif Display', serif;
    font-size: 0.9rem;
    color: var(--light);
    flex-shrink: 0;
  }
  .review-avatar.review-avatar--2 {
    font-family: 'DM Mono', monospace;
    font-size: 0.58rem;
    letter-spacing: 0.02em;
    font-weight: 600;
  }
  .review-meta h5 {
    font-family: 'DM Mono', monospace;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--white);
    margin-bottom: 2px;
  }
  .review-meta span {
    font-family: 'DM Mono', monospace;
    font-size: 0.62rem;
    letter-spacing: 0.1em;
    color: var(--muted);
  }
  .review-platform {
    position: absolute;
    top: 32px;
    right: 32px;
    font-family: 'DM Mono', monospace;
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted);
    border: 1px solid var(--border);
    padding: 4px 10px;
  }
  .review-highlight {
    background: var(--charcoal);
    padding: 56px 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
    border-top: 2px solid var(--border);
    margin-top: var(--product-gap);
    border-radius: var(--radius-card);
  }
  html[data-theme="light"] .review-highlight {
    border: 1px solid var(--border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  }
  .review-highlight blockquote {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(1.2rem, 2vw, 1.8rem);
    font-style: italic;
    color: var(--white);
    line-height: 1.5;
    flex: 1;
  }
  html[data-theme="light"] .review-highlight blockquote {
    font-family: var(--font-ui);
    font-style: normal;
    font-weight: 500;
  }
  .review-metric {
    text-align: center;
    flex-shrink: 0;
  }
  .metric-num {
    font-family: 'DM Serif Display', serif;
    font-size: 3rem;
    color: var(--accent);
    line-height: 1;
  }
  .metric-label {
    font-family: 'DM Mono', monospace;
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
    margin-top: 8px;
  }
  .divider { width: 1px; height: 80px; background: var(--border); flex-shrink: 0; }

  /* ── CTA ── */
  #cta {
    background: var(--black);
    text-align: center;
    padding: 140px 48px;
    position: relative;
    overflow: hidden;
  }
  #cta::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
  }
  html[data-theme="dark"] #cta::before {
    background: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(200, 169, 110, 0.06) 0%, transparent 70%);
  }
  html[data-theme="light"] #cta::before {
    background: radial-gradient(ellipse 70% 50% at 50% 100%, rgba(0, 113, 227, 0.06) 0%, transparent 60%);
  }
  .cta-tag {
    font-family: 'DM Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 24px;
  }
  .cta-title {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(2.2rem, 5vw, 5rem);
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 24px;
  }
  html[data-theme="light"] .cta-title {
    font-family: var(--font-ui);
    font-weight: 600;
    letter-spacing: -0.04em;
  }
  .cta-sub {
    font-size: 1rem;
    color: var(--silver);
    max-width: 440px;
    margin: 0 auto 48px;
    line-height: 1.7;
  }
  .cta-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
  }
  .contact-info {
    margin-top: 64px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
  }
  .contact-label {
    font-family: 'DM Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--muted);
  }
  .contact-email {
    font-family: 'DM Mono', monospace;
    font-size: 0.9rem;
    color: var(--accent);
    text-decoration: none;
  }
  html[data-theme="dark"] .contact-email:hover { color: #d4b87a; }
  html[data-theme="light"] .contact-email:hover { text-decoration: underline; color: var(--btn-hover); }

  /* ── FOOTER ── */
  footer {
    background: var(--graphite);
    border-top: 1px solid var(--border);
    padding: 48px 48px 36px;
  }
  .footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 48px;
  }
  .footer-brand .nav-logo { font-size: 1rem; margin-bottom: 12px; display: block; }
  .footer-tagline {
    font-family: 'DM Mono', monospace;
    font-size: 0.62rem;
    letter-spacing: 0.15em;
    color: var(--muted);
  }
  .footer-links {
    display: flex;
    gap: 48px;
  }
  .footer-col h6 {
    font-family: 'DM Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
  }
  .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
  .footer-col a {
    font-size: 0.88rem;
    color: var(--silver);
    text-decoration: none;
    transition: color 0.2s;
  }
  .footer-col a:hover { color: var(--white); }
  .footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid var(--border);
  }
  .footer-copy {
    font-family: 'DM Mono', monospace;
    font-size: 0.65rem;
    color: var(--muted);
  }
  .social-links { display: flex; gap: 20px; }
  .social-links a {
    font-family: 'DM Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s;
  }
  .social-links a:hover { color: var(--accent); }

  /* ── ANIMATIONS ── */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
  }
  @keyframes fadeLeft {
    from { opacity: 0; transform: translateX(24px); }
    to { opacity: 1; transform: translateX(0); }
  }
  @keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
  }
  @keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.4; transform: scaleY(0.7); }
  }

  .reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal.visible { opacity: 1; transform: none; }

  /* ── MOBILE ── */
  @media (max-width: 900px) {
    nav.site-nav {
      grid-template-columns: 1fr auto;
      grid-template-areas: "logo end";
      padding: 16px 20px;
      column-gap: 12px;
    }
    .nav-links { display: none !important; }
    section { padding: 80px 24px; }
    html[data-theme="dark"] #hero {
      display: grid;
      grid-template-columns: 1fr;
      padding: max(88px, 10vh) 24px 80px;
      row-gap: 20px;
      align-content: start;
      align-items: start;
    }
    html[data-theme="light"] #hero {
      display: grid;
      grid-template-columns: 1fr;
      padding-left: 24px;
      padding-right: 24px;
      padding-top: max(88px, 10vh);
      row-gap: 20px;
    }
    .hero-media {
      grid-column: 1;
      grid-row: auto;
      justify-self: stretch;
      width: 100%;
      max-width: 100%;
      margin-top: 6px;
      border-radius: 18px;
      animation-delay: 0.65s;
    }
    .hero-media video {
      aspect-ratio: 16 / 10;
    }
    .hero-media-controls {
      right: 10px;
      bottom: 10px;
    }
    .hero-media-btn {
      font-size: 11px;
      padding: 7px 10px;
    }
    html[data-theme="dark"] .hero-title { font-size: 2.8rem; }
    html[data-theme="light"] .hero-title { font-size: 2.8rem; }
    .hero-stats { display: none; }
    .product-series-block__grid--2,
    .product-series-block__grid--3 { grid-template-columns: 1fr; }
    #series-k39 .product-series-block__head {
      margin-left: 0;
      text-align: left;
      padding-left: 16px;
      padding-right: 0;
      border-left: 3px solid var(--accent);
      border-right: none;
    }
    #series-k39 .product-series-block__lead { margin-left: 0; }
    .story-layout { grid-template-columns: 1fr; gap: 48px; }
    .story-left { position: static; }
    .timeline-grid { grid-template-columns: 1fr 1fr; }
    .pillars-grid { grid-template-columns: 1fr 1fr; }
    .pillars-header { grid-template-columns: 1fr; gap: 24px; }
    .reviews-marquee {
      margin: 0 -24px;
      width: calc(100% + 48px);
    }
    .reviews-row + .reviews-row { margin-top: calc(var(--product-gap) * 0.75); }
    .review-highlight { flex-direction: column; text-align: center; }
    .footer-inner { flex-direction: column; gap: 40px; }
    .footer-links { flex-wrap: wrap; gap: 32px; }
    .footer-bottom { flex-direction: column; gap: 16px; }
  }