:root {
  --bg: #0a0b0d;
  --panel: #14171c;
  --line: rgba(255, 255, 255, .09);
  --ink: #f3f5f8;
  --ink-2: #a9b0bb;
  --ink-3: #6f7784;
  --accent: #c9d3e0;
  --gutter: clamp(16px, 4vw, 40px);
  --edge: clamp(16px, 2.25vw, 44px);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 16px/1.6 Inter, system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; }
.wrap { max-width: 1920px; margin: 0 auto; padding: 0 var(--edge); }

/* Header */
header.site { position: fixed; inset: 0 0 auto 0; z-index: 50; transition: background .3s, border-color .3s; border-bottom: 1px solid transparent; }
header.site.scrolled { background: rgba(10, 11, 13, .86); backdrop-filter: blur(14px); border-bottom-color: var(--line); }
header.site .wrap { max-width: none; padding: 0 var(--edge); }
.bar { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; font-size: 13px; white-space: nowrap; }
.brand img { width: 30px; height: 30px; }
.brand span { color: var(--ink-2); font-weight: 400; }
.back { text-decoration: none; color: var(--ink-2); font-size: 13px; font-weight: 500; letter-spacing: .04em; }
.back:hover { color: var(--ink); }
/* Dark header text while it sits over the light hero picture. */
header.site.on-light:not(.scrolled) .back { color: #16181d; }
.right { display: flex; align-items: center; gap: 22px; }

/* Hero: picture right, text left, as on the home page */
.t-hero { position: relative; height: 82svh; min-height: 520px; overflow: hidden; }
.t-hero .media { position: absolute; top: 0; right: 0; bottom: 0; width: 66%;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 28%); mask-image: linear-gradient(90deg, transparent 0%, #000 28%); }
.t-hero .media img { width: 100%; height: 100%; max-width: none; object-fit: cover; }
.t-hero .media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,11,13,.45) 0%, transparent 22%, transparent 70%, var(--bg) 100%); }
.t-hero .copy { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: center; padding: 68px var(--edge) 40px; max-width: calc(500px + 2 * var(--edge)); }
.eyebrow { font-size: 12px; font-weight: 600; letter-spacing: .28em; text-transform: uppercase; color: var(--accent); }
h1 { font-size: clamp(38px, 4.6vw, 68px); line-height: 1; font-weight: 800; letter-spacing: -.035em; margin: 14px 0 18px; }
.lead { font-size: clamp(17px, 1.6vw, 20px); color: var(--ink-2); font-weight: 300; margin: 0; }
.note { position: absolute; right: var(--edge); bottom: 18px; z-index: 3; font-size: 11px; color: var(--ink-3); letter-spacing: .04em; }

/* Body */
section { padding: clamp(56px, 8vw, 100px) 0; border-top: 1px solid var(--line); }
.rows { display: grid; gap: clamp(36px, 5vw, 56px); }
.row { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(20px, 4vw, 64px); }
.row h2 { margin: 0; font-size: clamp(24px, 2.6vw, 34px); line-height: 1.15; letter-spacing: -.02em; font-weight: 700; }
.row p { margin: 0; color: var(--ink-2); font-size: clamp(16px, 1.3vw, 18px); font-weight: 300; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; }
.facts div { background: var(--bg); padding: 24px 26px; }
.facts dt { font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 6px; }
.facts dd { margin: 0; font-size: 18px; font-weight: 500; }
figure { margin: 0; }
figure img { width: 100%; border-radius: 22px; max-height: 640px; object-fit: cover; }
.schematic img { background: #fff; padding: clamp(10px, 2vw, 28px); object-fit: contain; max-height: none; }
figcaption { margin-top: 12px; color: var(--ink-3); font-size: 13px; }
h3.more-title { margin: 0 0 24px; font-size: 13px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-2); }
.cards { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--edge); }
.card { position: relative; display: block; min-height: 250px; border-radius: 18px; overflow: hidden; background: var(--panel); text-decoration: none; isolation: isolate; }
.card img { position: absolute; inset: 0; width: 100%; height: 100%; max-width: none; object-fit: cover; filter: brightness(.66) saturate(.82); transition: transform .9s ease, filter .4s ease; z-index: -2; }
.card::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(10,11,13,0) 30%, rgba(10,11,13,.9) 100%); }
.card:hover img { transform: scale(1.045); filter: brightness(.8) saturate(.92); }
.card span { position: absolute; left: 18px; right: 18px; bottom: 16px; font-weight: 600; font-size: 16px; line-height: 1.25; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.btn { display: inline-flex; align-items: center; padding: 14px 26px; border-radius: 999px; font-weight: 600; font-size: 14px; text-decoration: none; }
.btn.solid { background: var(--ink); color: var(--bg); }
.btn.ghost { border: 1px solid rgba(255,255,255,.35); }
.btn.ghost:hover { border-color: var(--ink); }
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--ink-3); font-size: 13px; }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (max-width: 980px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 820px) {
  .t-hero { height: auto; min-height: 0; }
  .t-hero .media { position: relative; width: 100%; height: 46svh; -webkit-mask-image: linear-gradient(180deg, #000 70%, transparent 100%); mask-image: linear-gradient(180deg, #000 70%, transparent 100%); }
  .t-hero .copy { height: auto; padding-top: 0; margin-top: -40px; }
  .note { bottom: auto; top: 76px; }
  header.site.on-light:not(.scrolled) .brand { color: #0a0b0d; }
  header.site.on-light:not(.scrolled) .brand span { color: #2b2f36; }
  .row { grid-template-columns: 1fr; gap: 10px; }
  .back { display: none; }
}
@media (max-width: 560px) { .cards { grid-template-columns: 1fr; } .card { min-height: 200px; } .brand span { display: none; } }
