:root {
  --bg: #08101c;
  --panel: #0f1c2c;
  --panel-edge: #1d3247;
  --ink: #eef2f0;
  --muted: #a7b9c7;
  --amber: #ffb340;
  --amber-ink: #1d1206;
  --cyan: #7dd7e6;
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 80% -10%, #16314a 0%, transparent 60%), var(--bg);
  color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--cyan); }
code { background: #0b1626; border: 1px solid var(--panel-edge); border-radius: 4px; padding: 0 4px; font-size: 0.92em; }

.hero { position: relative; min-height: 78vh; display: flex; align-items: flex-end; overflow: hidden; }
.hero-art { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 50%; opacity: 0.6; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, var(--bg) 96%); }
.hero-text { position: relative; z-index: 1; max-width: 1100px; width: 100%; margin: 0 auto; padding: 48px 16px 56px; }
.kicker { color: var(--cyan); letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.85rem; margin: 0; }
h1 { font-size: clamp(2.6rem, 8vw, 5.2rem); line-height: 1; margin: 8px 0 12px; color: var(--amber); letter-spacing: 0.04em; }
.lead { font-size: clamp(1rem, 2.4vw, 1.25rem); max-width: 640px; margin: 0 0 24px; }
.downloads { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-block; padding: 14px 22px; border-radius: 8px; border: 1px solid var(--panel-edge); background: var(--panel);
  color: var(--ink); text-decoration: none; font-weight: 600; }
.btn:hover { border-color: var(--cyan); }
.btn.primary { background: var(--amber); color: var(--amber-ink); border-color: var(--amber); }
.btn.primary:hover { filter: brightness(1.06); }
.fine { color: var(--muted); font-size: 0.9rem; }

main { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 8px 0 48px; }
.features article { background: var(--panel); border: 1px solid var(--panel-edge); border-radius: 10px; padding: 18px; }
.features h2 { color: var(--amber); font-size: 1.1rem; margin: 0 0 6px; }
.features p { margin: 0; color: var(--muted); }

.section-title { font-size: 1.5rem; margin: 0 0 16px; }
.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; margin-bottom: 48px; }
.gallery figure { margin: 0; background: var(--panel); border: 1px solid var(--panel-edge); border-radius: 10px; overflow: hidden; }
.gallery img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.gallery figcaption { padding: 8px 12px; color: var(--muted); font-size: 0.9rem; }

.install { margin-bottom: 48px; }
.columns { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.columns > div { background: var(--panel); border: 1px solid var(--panel-edge); border-radius: 10px; padding: 18px; }
.columns h3 { margin: 0 0 6px; color: var(--amber); }
.columns ol { margin: 0; padding-left: 20px; color: var(--muted); }

footer { border-top: 1px solid var(--panel-edge); text-align: center; padding: 24px 16px 36px; }
footer p { margin: 4px 0; }

.doc { max-width: 760px; margin: 0 auto; padding: 48px 16px; }
.doc h1 { font-size: 2.2rem; }
.doc h2 { color: var(--amber); font-size: 1.15rem; margin-top: 28px; }
.doc p, .doc li { color: var(--muted); }