:root {
  --bg: #0d1117;
  --bg2: #161b22;
  --line: #2a313c;
  --text: #e6e9ee;
  --muted: #9aa4b2;
  --accent: #f2a541;
  --accent-text: #1a1206;
  --warn-bg: #2a1d0b;
  --warn-line: #8a5a14;
  --link: #79b8ff;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #fafaf8;
    --bg2: #ffffff;
    --line: #dfe2e6;
    --text: #1b1f24;
    --muted: #59636e;
    --accent: #c4720a;
    --accent-text: #ffffff;
    --warn-bg: #fff6e6;
    --warn-line: #e3b25a;
    --link: #0b5fc4;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--link); }
code { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: .92em; overflow-wrap: anywhere; }
h1, h2, h3 { line-height: 1.25; }
h2 { margin-top: 0; font-size: 1.5rem; }
h3 { margin: 0 0 .4rem; font-size: 1.1rem; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
main > section { margin-bottom: 56px; }

.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.top-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 56px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; }
.brand img { border-radius: 50%; }
nav { display: flex; gap: 18px; flex-wrap: wrap; }
nav a { color: var(--muted); text-decoration: none; font-size: .95rem; }
nav a:hover { color: var(--text); }

.hero { padding: 72px 0 40px; background:
  radial-gradient(800px 300px at 15% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent); }
.eyebrow { color: var(--accent); font-weight: 600; margin: 0 0 12px; }
.hero h1 { font-size: clamp(1.8rem, 4.5vw, 2.8rem); margin: 0 0 16px; max-width: 22ch; }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 60ch; margin: 0 0 28px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 11px 18px; border-radius: 8px; border: 1px solid var(--line);
  color: var(--text); text-decoration: none; font-weight: 600; background: var(--bg2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn:hover { filter: brightness(1.08); }

.warning { background: var(--warn-bg); border: 1px solid var(--warn-line); border-radius: 12px; padding: 20px 24px; }
.warning h2 { font-size: 1.2rem; }
.warning ul { margin: 0 0 8px; padding-left: 20px; }
.warning li { margin-bottom: 4px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 16px 0 8px; }
.stat { background: var(--bg2); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.stat .label { display: block; color: var(--muted); font-size: .85rem; }
.stat .value { display: block; font-size: 1.6rem; font-weight: 700; font-variant-numeric: tabular-nums; }

.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 16px 0; }
.card { background: var(--bg2); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; }
.card p { margin: 0 0 8px; }

.steps { padding-left: 22px; }
.steps li { margin-bottom: 10px; }
.note { border-left: 3px solid var(--accent); padding: 4px 0 4px 14px; }

.muted { color: var(--muted); }
.small { font-size: .9rem; }
.foot { border-top: 1px solid var(--line); padding-top: 20px; padding-bottom: 40px; color: var(--muted); font-size: .9rem; }

@media (max-width: 720px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid { grid-template-columns: 1fr; }
  nav { gap: 12px; }
  .hero { padding-top: 48px; }
}