:root {
  --bg: #f7f6f4;
  --surface: #ffffff;
  --text: #1b1b1d;
  --muted: #66635e;
  --line: #dddad5;
  --accent: #c8352a;
  --accent-soft: #ffdad4;
  --on-accent: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e0f11;
    --surface: #18191c;
    --text: #e8e6e3;
    --muted: #a19e99;
    --line: #2c2d31;
    --accent: #ff6b5b;
    --accent-soft: #4a1610;
    --on-accent: #2a0804;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); }

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}

header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}

.brand {
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.brand span { color: var(--accent); }

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 20px;
  font-size: 15px;
}

nav a:hover { color: var(--text); }

.hero { padding: 64px 0 40px; }

.hero h1 {
  font-size: clamp(36px, 7vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
}

.hero p {
  font-size: 19px;
  color: var(--muted);
  max-width: 34em;
  margin: 0 0 28px;
}

.badge {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  padding: 24px 0 56px;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
}

.feature h3 { margin: 0 0 6px; font-size: 17px; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }

.doc { padding: 32px 0 56px; }
.doc h1 { font-size: 36px; letter-spacing: -0.02em; margin: 0 0 4px; }
.doc .updated { color: var(--muted); margin: 0 0 32px; font-size: 15px; }
.doc h2 { font-size: 21px; margin: 36px 0 8px; }
.doc li { margin-bottom: 6px; }

footer.site {
  border-top: 1px solid var(--line);
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 14px;
}

footer.site a { color: var(--muted); margin-right: 16px; }