:root {
  --bg: #ffffff;
  --fg: #111418;
  --muted: #5b6370;
  --line: #e6e8ec;
  --card: #f7f8fa;
  --accent: #111418;
  --accent-fg: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1013;
    --fg: #eef0f3;
    --muted: #9aa3ae;
    --line: #23272e;
    --card: #161a1f;
    --accent: #eef0f3;
    --accent-fg: #0e1013;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
}
a { color: inherit; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 20px; padding-bottom: 20px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; font-size: 20px; letter-spacing: .02em; }
.brand img { border-radius: 8px; }
nav { display: flex; gap: 18px; flex-wrap: wrap; }
nav a { text-decoration: none; color: var(--muted); font-size: 15px; }
nav a:hover { color: var(--fg); }
.hero { padding-top: 56px; padding-bottom: 40px; }
h1 { font-size: clamp(32px, 6vw, 52px); line-height: 1.1; margin: 0 0 18px; letter-spacing: -.02em; max-width: 16ch; }
.lead { font-size: 18px; color: var(--muted); max-width: 62ch; margin: 0 0 28px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 0; }
.btn { display: inline-block; padding: 11px 20px; border-radius: 10px; background: var(--accent); color: var(--accent-fg); text-decoration: none; font-weight: 600; border: 1px solid var(--accent); }
.btn.ghost { background: transparent; color: var(--fg); border-color: var(--line); }
section { padding-top: 40px; padding-bottom: 24px; }
h2 { font-size: 26px; margin: 0 0 20px; letter-spacing: -.01em; }
h3 { font-size: 15px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 24px 0 10px; }
.group h3:first-child { margin-top: 0; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
ul { list-style: none; padding: 0; margin: 0; }
li { padding: 10px 0; border-bottom: 1px solid var(--line); color: var(--muted); }
li b { display: block; color: var(--fg); font-weight: 600; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.card { display: block; padding: 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); text-decoration: none; }
.card:hover { border-color: var(--muted); }
.card b { display: block; margin-bottom: 4px; }
.card span { color: var(--muted); font-size: 15px; }
.note { color: var(--muted); font-size: 15px; margin-top: 20px; overflow-wrap: anywhere; }
.foot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 40px; padding-bottom: 40px; margin-top: 32px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
@media (max-width: 760px) {
  .grid { grid-template-columns: 1fr; gap: 8px; }
  .cards { grid-template-columns: 1fr; }
  .hero { padding-top: 32px; }
}