:root {
  --ink: #10110f;
  --paper: #f2efe7;
  --card: #fffdf7;
  --line: #c9c4b8;
  --signal: #d52a1f;
  --muted: #68675f;
  --radius: 22px;
  --shadow: 0 24px 60px rgba(16, 17, 15, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, transparent 49.8%, rgba(16,17,15,.045) 50%, transparent 50.2%),
    var(--paper);
  font-family: "Arial Narrow", "Roboto Condensed", sans-serif;
}
a { color: inherit; }
img { max-width: 100%; }
.shell { width: min(1180px, calc(100% - 32px)); margin: auto; }
.topbar {
  position: sticky; top: 0; z-index: 20;
  border-bottom: 1px solid rgba(255,255,255,.12);
  color: white; background: rgba(16,17,15,.94);
  backdrop-filter: blur(16px);
}
.topbar-inner { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { font-weight: 900; letter-spacing: -.04em; text-decoration: none; font-size: 1.25rem; }
.brand span { color: var(--signal); }
.nav-link { color: #d8d5cc; text-decoration: none; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; }
.hero { padding: clamp(64px, 10vw, 132px) 0 54px; }
.eyebrow { color: var(--signal); font-size: .76rem; font-weight: 900; letter-spacing: .18em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 920px; font-size: clamp(3.2rem, 9vw, 7.7rem); line-height: .82; letter-spacing: -.065em; text-transform: uppercase; margin: 18px 0 26px; }
.hero-copy { max-width: 650px; color: var(--muted); font: 1.15rem/1.55 Georgia, serif; }
.telemetry { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin: 46px 0 0; }
.telemetry div { background: var(--card); padding: 20px; }
.telemetry strong { display: block; font-size: 1.55rem; }
.telemetry span { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; }
.catalog-section { padding: 58px 0; border-top: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: .8fr 1.2fr; gap: 28px; align-items: end; margin-bottom: 26px; }
.section-head h2 { font-size: clamp(2.1rem, 5vw, 4.4rem); line-height: .9; letter-spacing: -.045em; margin-bottom: 0; text-transform: uppercase; }
.section-head p { color: var(--muted); font: 1rem/1.55 Georgia, serif; max-width: 550px; }
.product-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.product-card {
  grid-column: span 4; display: flex; flex-direction: column; overflow: hidden;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--card);
  text-decoration: none; min-height: 500px; transition: transform .25s ease, box-shadow .25s ease;
}
.product-card:nth-child(5n+1) { grid-column: span 5; }
.product-card:nth-child(5n+2) { grid-column: span 7; }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card-media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: #d7d4cc; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.product-card:hover img { transform: scale(1.035); }
.card-index { position: absolute; top: 16px; left: 16px; padding: 7px 9px; color: white; background: var(--ink); font: 700 .7rem/1 monospace; }
.card-body { display: flex; flex: 1; flex-direction: column; padding: 22px; }
.card-body h3 { font-size: 1.8rem; letter-spacing: -.035em; margin-bottom: 10px; }
.card-body p { color: var(--muted); line-height: 1.45; }
.card-bottom { display: flex; justify-content: space-between; gap: 16px; margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); font-size: .8rem; font-weight: 900; text-transform: uppercase; }
.card-bottom span:last-child { color: var(--signal); }
.product-hero { padding: 42px 0 28px; }
.breadcrumbs { color: var(--muted); font-size: .8rem; margin-bottom: 28px; }
.breadcrumbs a { text-decoration: none; }
.product-layout { display: grid; grid-template-columns: 1.35fr .65fr; gap: 22px; align-items: start; }
.gallery { display: grid; gap: 12px; }
.gallery-main { aspect-ratio: 4 / 3; width: 100%; object-fit: cover; border-radius: var(--radius); background: #ddd; }
.thumbs { display: flex; gap: 10px; overflow: auto; }
.thumb { border: 2px solid transparent; border-radius: 10px; padding: 0; overflow: hidden; width: 88px; height: 66px; cursor: pointer; background: #ddd; }
.thumb[aria-current="true"] { border-color: var(--signal); }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-panel { position: sticky; top: 90px; padding: 30px; color: white; border-radius: var(--radius); background: var(--ink); box-shadow: var(--shadow); }
.product-panel h1 { font-size: clamp(2.8rem, 5vw, 5rem); margin: 12px 0 20px; }
.product-panel .summary { color: #c7c4ba; font: 1rem/1.55 Georgia, serif; }
.specs { list-style: none; padding: 20px 0; margin: 24px 0; border-top: 1px solid #353630; border-bottom: 1px solid #353630; }
.specs li { padding: 7px 0 7px 20px; position: relative; color: #ddd9cf; }
.specs li::before { content: ""; position: absolute; left: 0; top: 13px; width: 7px; height: 7px; background: var(--signal); transform: rotate(45deg); }
.field { margin-top: 15px; }
.field label { display: block; margin-bottom: 7px; color: #aaa89f; font-size: .72rem; letter-spacing: .11em; text-transform: uppercase; }
.field select, .field input { width: 100%; min-height: 48px; border: 1px solid #41423c; border-radius: 8px; color: white; background: #20211e; padding: 0 13px; font: inherit; }
.price { margin: 22px 0 4px; font-size: 2.1rem; font-weight: 900; }
.price-note { color: #9d9b94; font-size: .72rem; }
.quote-button { display: flex; justify-content: space-between; align-items: center; margin-top: 20px; padding: 17px 18px; color: white; background: var(--signal); border: 0; border-radius: 9px; text-decoration: none; font-weight: 900; text-transform: uppercase; letter-spacing: .06em; }
.notice { margin: 28px 0 60px; color: var(--muted); font-size: .8rem; }
.footer { margin-top: 72px; padding: 34px 0; color: #aaa89f; background: var(--ink); font-size: .8rem; }
@media (max-width: 820px) {
  .section-head, .product-layout { grid-template-columns: 1fr; }
  .product-card, .product-card:nth-child(n) { grid-column: span 12; min-height: 0; }
  .product-panel { position: static; }
  .telemetry { grid-template-columns: 1fr; }
  .nav-link { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}