:root {
  --bg: #f7f6f2;
  --surface: #ffffff;
  --text: #16181d;
  --muted: #555b66;
  --line: #e2e0d8;
  --accent: #c2410c;
  --accent-soft: #fdeee6;
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111317;
    --surface: #1a1d23;
    --text: #eceae4;
    --muted: #a3a8b3;
    --line: #2b2f37;
    --accent: #fb8a4c;
    --accent-soft: #2a1d16;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #111317;
  --surface: #1a1d23;
  --text: #eceae4;
  --muted: #a3a8b3;
  --line: #2b2f37;
  --accent: #fb8a4c;
  --accent-soft: #2a1d16;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

header.top {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; flex-wrap: wrap; }
.brand { font-weight: 700; letter-spacing: -0.01em; color: var(--text); text-decoration: none; font-size: 18px; }
.brand span { color: var(--accent); }
nav.links { display: flex; gap: 20px; flex-wrap: wrap; }
nav.links a { color: var(--muted); text-decoration: none; font-size: 15px; }
nav.links a:hover { color: var(--text); }

.hero { padding-top: 72px; padding-bottom: 56px; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); background: var(--accent-soft); padding: 4px 10px; border-radius: 999px; }
h1 { font-size: clamp(32px, 5.2vw, 54px); line-height: 1.08; letter-spacing: -0.025em; margin: 18px 0 18px; max-width: 18ch; }
.lead { font-size: clamp(18px, 2.1vw, 21px); color: var(--muted); max-width: 62ch; margin: 0 0 28px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 12px 20px; border-radius: 10px; font-weight: 600; text-decoration: none; font-size: 16px; }
.btn.primary { background: var(--accent); color: #fff; }
:root[data-theme="dark"] .btn.primary { color: #1a0d05; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .btn.primary { color: #1a0d05; } }
.btn.ghost { border: 1px solid var(--line); color: var(--text); background: var(--surface); }

section { padding: 48px 0; border-top: 1px solid var(--line); }
h2 { font-size: clamp(24px, 3vw, 32px); letter-spacing: -0.02em; margin: 0 0 12px; }
.sub { color: var(--muted); max-width: 64ch; margin: 0 0 28px; }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h3 { margin: 0 0 6px; font-size: 19px; letter-spacing: -0.01em; }
.card .tag { font-size: 13px; color: var(--accent); font-weight: 600; margin: 0 0 10px; }
.card p { margin: 0 0 10px; color: var(--muted); font-size: 16px; }
.card ol, .card ul { margin: 6px 0 0; padding-left: 20px; color: var(--muted); font-size: 15.5px; }
.card li { margin: 2px 0; }

.claude { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.claude ul { margin: 0; padding-left: 20px; }
.claude li { margin: 8px 0; }

dl.facts { display: grid; grid-template-columns: max-content 1fr; gap: 8px 24px; margin: 0; }
dl.facts dt { color: var(--muted); }
dl.facts dd { margin: 0; font-weight: 500; }

footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14.5px; }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer a { color: var(--muted); }

.legal h1 { font-size: clamp(28px, 4vw, 40px); max-width: none; }
.legal h2 { font-size: 22px; margin-top: 32px; }
.legal p, .legal li { max-width: 70ch; }

@media (max-width: 860px) {
  .grid, .grid.two { grid-template-columns: 1fr; }
  .hero { padding-top: 48px; padding-bottom: 40px; }
  section { padding: 40px 0; }
  dl.facts { grid-template-columns: 1fr; gap: 2px; }
  dl.facts dd { margin-bottom: 10px; }
  nav.links { gap: 14px; }
}