/* Trace — demo site styles. Dark terminal/editor aesthetic, no external assets. */
:root {
  --bg: #0a0f14;
  --bg-alt: #0d141c;
  --panel: #111a24;
  --border: #1e2c3b;
  --text: #dbe7f3;
  --muted: #8ba0b5;
  --accent: #76b900;   /* NVIDIA green */
  --accent2: #22d3ee;  /* Nebius cyan */
  --code: #a7e3ff;
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  font-size: 16.5px;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 820px; }

.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(10,15,20,.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; gap: 22px; padding: 14px 24px; }
.brand { font-weight: 800; font-size: 19px; color: var(--text); text-decoration: none; margin-right: auto; }
.nav nav { display: flex; gap: 18px; }
.nav nav a { color: var(--muted); text-decoration: none; font-size: 14.5px; }
.nav nav a:hover { color: var(--text); }
@media (max-width: 760px) { .nav nav { display: none; } }

.hero { padding: 92px 0 64px; background: radial-gradient(900px 420px at 20% -10%, rgba(118,185,0,.12), transparent 60%), radial-gradient(900px 420px at 85% 0%, rgba(34,211,238,.10), transparent 60%); }
.kicker {
  display: inline-block; font-size: 13px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--accent2); border: 1px solid var(--border); border-radius: 999px;
  padding: 6px 14px; margin-bottom: 22px; background: rgba(34,211,238,.06);
}
.hero h1 { font-size: clamp(38px, 6vw, 64px); line-height: 1.08; margin: 0 0 18px; letter-spacing: -0.02em; }
.accent { color: var(--accent); }
.lede { font-size: 19px; color: var(--muted); max-width: 720px; }
.lede strong { color: var(--text); }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }

.btn {
  display: inline-block; padding: 12px 22px; border-radius: 10px;
  background: var(--panel); color: var(--text); text-decoration: none;
  border: 1px solid var(--border); font-weight: 600; font-size: 15px;
  transition: transform .12s ease, border-color .12s ease;
}
.btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #0a0f14; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; }

.hero-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 34px; }
.hero-badges span {
  font-size: 13.5px; color: var(--muted); background: var(--panel);
  border: 1px solid var(--border); border-radius: 999px; padding: 6px 14px;
}

.section { padding: 72px 0; }
.section.alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section h2 { font-size: clamp(26px, 3.4vw, 36px); letter-spacing: -0.015em; margin: 0 0 18px; }
.section h3 { font-size: 19px; margin: 34px 0 12px; color: var(--text); }
.big { font-size: 19.5px; }

.tag {
  font-size: 12px; letter-spacing: .06em; text-transform: uppercase;
  background: rgba(118,185,0,.12); color: var(--accent);
  border: 1px solid rgba(118,185,0,.35); border-radius: 999px;
  padding: 4px 12px; vertical-align: middle; white-space: nowrap;
}

.term {
  background: #060b10; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px 22px; overflow-x: auto; font-size: 13.8px; line-height: 1.7;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  color: var(--code);
}
.term .prompt { color: var(--accent); font-weight: 700; }
.term .comment { color: #5b6b7e; }
.term.diagram { color: #c9d8e6; font-size: 13px; line-height: 1.6; }

code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .9em; }
p code, li code, td code { background: rgba(167,227,255,.08); padding: 2px 7px; border-radius: 6px; color: var(--code); }

.note {
  font-size: 14.5px; color: var(--muted); border-left: 3px solid var(--accent2);
  padding: 2px 0 2px 16px; margin: 18px 0;
}

.table-wrap { overflow-x: auto; margin: 20px 0; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: .05em; }
tbody tr:hover { background: rgba(167,227,255,.03); }

.checklist { list-style: none; padding: 0; margin: 22px 0 0; }
.checklist li { padding: 10px 0 10px 30px; position: relative; }
.checklist li::before { content: "✓"; position: absolute; left: 2px; color: var(--accent); font-weight: 800; }

.demo-video {
  width: 100%; border-radius: var(--radius); border: 1px solid var(--border);
  background: #000; display: block; margin: 22px 0 6px;
}

footer { padding: 44px 0; border-top: 1px solid var(--border); color: var(--muted); font-size: 14.5px; }
footer a { color: var(--accent2); text-decoration: none; }
footer a:hover { text-decoration: underline; }