:root {
  --bg: #071016;
  --panel: #101b24;
  --panel-light: #162631;
  --text: #f3f7fa;
  --muted: #aebbc4;
  --accent: #ff5c35;
  --line: rgba(255,255,255,.13);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, Arial, sans-serif; background: var(--bg); color: var(--text); line-height: 1.55; }
a { color: inherit; text-decoration: none; }
.site-header { position: fixed; top: 0; z-index: 20; width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 20px 6vw; background: rgba(7,16,22,.72); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.brand { font-weight: 900; letter-spacing: .08em; }
nav { display: flex; gap: 24px; color: var(--muted); font-size: 14px; }
nav a:hover { color: var(--text); }
.hero { min-height: 92vh; position: relative; display: flex; align-items: center; padding: 140px 6vw 80px; background: url('assets/5BBE5507-FB07-485D-9CF0-27C2A5367127.jpeg') center/cover no-repeat; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,16,22,.94), rgba(7,16,22,.72), rgba(7,16,22,.25)); }
.hero-content { position: relative; max-width: 860px; }
.eyebrow, .section-label { color: var(--accent); text-transform: uppercase; letter-spacing: .16em; font-weight: 800; font-size: 12px; margin: 0 0 14px; }
h1 { font-size: clamp(44px, 7vw, 86px); line-height: .96; letter-spacing: -.06em; margin: 0 0 24px; max-width: 980px; }
h2 { font-size: clamp(30px, 4vw, 54px); line-height: 1.02; letter-spacing: -.04em; margin: 0; }
h3 { font-size: 24px; margin-top: 0; }
.hero-copy { font-size: 21px; color: #d7e0e6; max-width: 760px; margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.button { display: inline-flex; align-items: center; justify-content: center; padding: 14px 20px; border-radius: 999px; font-weight: 800; border: 1px solid var(--line); }
.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.secondary { background: var(--accent); }
.intro, .system, .video-section, .contact { padding: 90px 6vw; }
.intro { display: grid; grid-template-columns: .85fr 1.15fr; gap: 60px; align-items: start; border-top: 1px solid var(--line); }
.intro p:last-child, .system-copy p, .video-section p { color: var(--muted); font-size: 19px; }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.metric { padding: 34px 28px; border-right: 1px solid var(--line); background: var(--panel); }
.metric:last-child { border-right: 0; }
.metric span { font-size: 34px; font-weight: 900; color: var(--text); }
.metric p { color: var(--muted); margin-bottom: 0; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 0; padding: 0; }
.panel { padding: 80px 6vw; background: var(--panel-light); }
ul { padding-left: 20px; color: #dce5eb; font-size: 18px; }
li { margin: 11px 0; }
.image-card img, .gallery img { width: 100%; height: 100%; object-fit: cover; display: block; }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.gallery img { aspect-ratio: 1.25 / 1; }
.system { display: grid; grid-template-columns: 1.15fr .85fr; gap: 50px; align-items: center; }
.stack-card { background: var(--panel); padding: 34px; border: 1px solid var(--line); border-radius: 24px; }
.stack-card p { padding: 12px 0; border-top: 1px solid var(--line); margin: 0; color: #d9e2e8; }
.video-section { display: grid; grid-template-columns: .85fr 1.15fr; gap: 50px; align-items: center; background: #0a151d; }
.video-wrap { position: relative; padding-top: 56.25%; border-radius: 24px; overflow: hidden; border: 1px solid var(--line); background: #000; }
.video-wrap iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.contact { text-align: center; max-width: 980px; margin: auto; }
.contact h2 { margin-bottom: 28px; }
footer { color: var(--muted); border-top: 1px solid var(--line); padding: 30px 6vw; font-size: 14px; }
@media (max-width: 820px) {
  nav { display: none; }
  .intro, .split, .system, .video-section, .metrics, .gallery { grid-template-columns: 1fr; }
  .metric { border-right: 0; border-bottom: 1px solid var(--line); }
  h1 { font-size: 46px; }
  .hero-copy { font-size: 18px; }
}