:root {
  --bg: #0b0c10;
  --surface: #13151b;
  --surface-2: #1a1d24;
  --paper: #f5eee3;
  --paper-2: #e9dece;
  --text: #f7f1e8;
  --ink: #17191f;
  --muted: #aaa296;
  --muted-ink: #686158;
  --brand: #c7b08a;
  --brand-light: #efe5d5;
  --line: rgba(255,255,255,.1);
  --dark-line: rgba(23,25,31,.1);
  --shadow: 0 24px 70px rgba(0,0,0,.28);
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 12% 8%, rgba(255,255,255,.08), transparent 23%),
    radial-gradient(circle at 86% 6%, rgba(199,176,138,.12), transparent 18%),
    linear-gradient(180deg, var(--bg), #111319 58%, #15171c);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
.container { width: min(1180px, calc(100vw - 32px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(11,12,16,.86);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .17em;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  box-shadow: 0 0 0 6px rgba(199,176,138,.11);
}

.nav-links, .nav-actions, .button-row, .chips {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.nav-links a {
  padding: 9px 11px;
  color: #d8d1c6;
  font-size: 13px;
  border-radius: 999px;
}

.nav-links a:hover, .nav-links a[aria-current="page"] {
  color: #fff;
  background: rgba(255,255,255,.07);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  font-size: 13px;
  font-weight: 800;
}

.button.primary {
  color: var(--ink);
  background: linear-gradient(135deg, var(--brand-light), var(--brand));
}

.button.secondary { background: rgba(255,255,255,.05); }

.hero {
  margin: 24px auto;
  min-height: 520px;
  padding: clamp(28px, 6vw, 76px);
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 34px;
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 36px;
  background:
    radial-gradient(circle at 85% 20%, rgba(199,176,138,.19), transparent 25%),
    linear-gradient(135deg, rgba(27,29,36,.98), rgba(10,11,15,.98));
  box-shadow: var(--shadow);
}

.eyebrow, .chip {
  display: inline-flex;
  align-items: center;
  width: max-content;
  padding: 7px 11px;
  border: 1px solid rgba(199,176,138,.22);
  border-radius: 999px;
  color: #d9c7aa;
  background: rgba(255,255,255,.04);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1, h2, h3 {
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  letter-spacing: -.04em;
}

h1 {
  margin: 16px 0;
  max-width: 850px;
  font-size: clamp(44px, 7vw, 86px);
  line-height: .98;
  font-weight: 600;
}

.hero-copy, .page-intro {
  max-width: 720px;
  color: #bbb3a8;
  font-size: clamp(16px, 1.8vw, 19px);
  line-height: 1.75;
}

.device-stage {
  min-height: 350px;
  display: grid;
  place-items: center;
  position: relative;
}

.device {
  width: min(330px, 78vw);
  aspect-ratio: 1.18;
  padding: 22px;
  border-radius: 35px;
  transform: rotate(-3deg);
  background: linear-gradient(145deg, #eee4d5, #bda887);
  box-shadow: 0 45px 80px rgba(0,0,0,.42);
}

.device-screen {
  height: 100%;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 5px solid #25262b;
  border-radius: 22px;
  color: #fff;
  background:
    radial-gradient(circle at 80% 15%, rgba(255,183,77,.7), transparent 24%),
    linear-gradient(150deg, #35445f, #121820);
}

.device-time { font-size: clamp(42px, 6vw, 72px); font-weight: 800; letter-spacing: -.07em; }
.device-meta { display: flex; justify-content: space-between; color: #e4e8ee; font-size: 13px; }

.section {
  margin: 22px auto;
  padding: clamp(24px, 4vw, 46px);
  color: var(--ink);
  border: 1px solid rgba(255,255,255,.7);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(250,245,237,.98), rgba(237,226,211,.96));
  box-shadow: var(--shadow);
}

.section.dark {
  color: var(--text);
  border-color: var(--line);
  background: linear-gradient(145deg, rgba(24,26,32,.98), rgba(12,13,17,.98));
}

.section-head {
  margin-bottom: 24px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
}

.section h2, .page-hero h1 { margin: 0 0 8px; font-size: clamp(32px, 4vw, 54px); }
.section-kicker { color: var(--muted-ink); line-height: 1.65; }
.dark .section-kicker { color: var(--muted); }

.product-grid, .use-grid, .support-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.product-card, .use-card, .support-card {
  min-height: 290px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 28px;
  overflow: hidden;
  border: 1px solid var(--dark-line);
  border-radius: 24px;
  background: rgba(255,255,255,.5);
  transition: transform .2s ease, box-shadow .2s ease;
}

.product-card:hover, .use-card:hover, .support-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 45px rgba(39,32,24,.13);
}

.product-visual {
  min-height: 155px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: #ddd4c7;
  background:
    radial-gradient(circle at 70% 20%, rgba(199,176,138,.32), transparent 27%),
    linear-gradient(145deg, #252932, #0d0f13);
}
.product-card .product-visual { aspect-ratio: 1; }

.product-glyph {
  width: 102px;
  height: 86px;
  display: grid;
  place-items: center;
  border: 8px solid #c8b18c;
  border-radius: 18px;
  font-size: 34px;
  font-weight: 900;
  box-shadow: 0 20px 35px rgba(0,0,0,.35);
}

.product-glyph.cube { width: 86px; border-radius: 25px; transform: rotate(4deg); }
.product-card h3, .use-card h3, .support-card h3 { margin: 0 0 7px; font-size: 23px; }
.product-card p, .use-card p, .support-card p { margin: 0; color: var(--muted-ink); line-height: 1.65; font-size: 14px; }
.text-link { display: inline-flex; margin-top: 16px; font-size: 13px; font-weight: 900; }
.text-link::after { content: " →"; }

.page-hero {
  padding: 74px 0 42px;
}

.breadcrumbs {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 12px;
}

.breadcrumbs a:hover { color: #fff; }
.page-hero h1 { max-width: 900px; font-size: clamp(48px, 7vw, 82px); line-height: 1; }

.product-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: stretch;
}

.product-hero .product-visual { min-height: 420px; }
.product-photo {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  border-radius: inherit;
}
.product-photo.contain {
  padding: clamp(18px, 4vw, 44px);
  object-fit: contain;
}
.product-summary { padding: clamp(24px, 4vw, 50px); }
.product-summary h1 { font-size: clamp(46px, 6vw, 74px); }
.feature-list { padding: 0; margin: 24px 0; display: grid; gap: 10px; list-style: none; }
.feature-list li { padding-left: 20px; position: relative; color: #d0c8bc; line-height: 1.55; }
.feature-list li::before { content: ""; width: 7px; height: 7px; position: absolute; left: 0; top: .55em; border-radius: 50%; background: var(--brand); }

.spec-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.spec {
  min-height: 130px;
  padding: 18px;
  border: 1px solid var(--dark-line);
  border-radius: 19px;
  background: rgba(255,255,255,.48);
}

.spec strong { display: block; margin-bottom: 8px; font-size: 13px; }
.spec span { color: var(--muted-ink); font-size: 14px; line-height: 1.55; }

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.gallery figure {
  margin: 0;
  overflow: hidden;
  border-radius: 22px;
  background: #111319;
}

.gallery img {
  width: 100%;
  aspect-ratio: 1;
  display: block;
  object-fit: cover;
}

.gallery figcaption {
  padding: 12px 14px 15px;
  color: #cbc3b7;
  font-size: 12px;
  line-height: 1.45;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.review-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #111319;
  box-shadow: 0 18px 42px rgba(0,0,0,.24);
}

.review-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #090a0d;
}

.review-thumb img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.review-play {
  position: absolute;
  left: 16px;
  bottom: 16px;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;
  background: rgba(5,6,8,.78);
  backdrop-filter: blur(8px);
}

.review-play::after {
  content: "";
  margin-left: 3px;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 13px solid #fff;
}

.review-body { padding: 16px; }
.review-meta { color: #aaa296; font-size: 12px; }
.review-card h3 { margin: 8px 0 0; color: #f7f1e8; font-size: 18px; line-height: 1.4; }

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

.detail-panel {
  padding: 22px;
  border: 1px solid var(--dark-line);
  border-radius: 22px;
  background: rgba(255,255,255,.48);
}

.detail-panel h3 { margin: 0 0 12px; font-size: 24px; }
.detail-panel p { color: var(--muted-ink); line-height: 1.7; }
.detail-panel .feature-list li { color: var(--muted-ink); }

.compare-wrap { overflow-x: auto; }
.compare-table { width: 100%; min-width: 720px; border-collapse: collapse; }
.compare-table th, .compare-table td { padding: 16px; text-align: left; border-bottom: 1px solid var(--dark-line); }
.compare-table th { font-size: 13px; }
.compare-table td { color: var(--muted-ink); font-size: 14px; }

.site-footer {
  margin-top: 34px;
  padding: 38px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: 28px;
}

.footer-col { display: grid; align-content: start; gap: 9px; font-size: 13px; }
.footer-col strong { margin-bottom: 5px; color: #f6efe4; }
.footer-col a:hover { color: #fff; }
.legal { margin-top: 30px; color: #817b72; font-size: 11px; line-height: 1.6; }

@media (max-width: 900px) {
  .nav { padding: 14px 0; align-items: flex-start; }
  .nav-links { display: none; }
  .hero, .product-hero { grid-template-columns: 1fr; }
  .product-grid, .use-grid, .support-grid { grid-template-columns: 1fr 1fr; }
  .spec-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .container { width: min(100vw - 18px, 1180px); }
  .nav-actions .secondary { display: none; }
  .hero { min-height: auto; padding: 25px 20px; border-radius: 24px; }
  h1 { font-size: 48px; }
  .device-stage { min-height: 280px; }
  .section { padding: 22px 16px; border-radius: 22px; }
  .section-head { align-items: flex-start; flex-direction: column; }
  .product-grid, .use-grid, .support-grid, .footer-grid { grid-template-columns: 1fr; }
  .spec-grid, .gallery, .detail-columns, .review-grid { grid-template-columns: 1fr; }
  .product-hero .product-visual { min-height: 300px; }
}