:root {
  --bg: #fbf7f2;
  --surface: #ffffff;
  --text: #2a211c;
  --muted: #6f625a;
  --line: #eadfd5;
  --brand: #d4483b;
  --brand-ink: #ffffff;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1714;
    --surface: #26201c;
    --text: #f3ece6;
    --muted: #b8aaa0;
    --line: #3a312b;
    --brand: #ef6a5c;
    --brand-ink: #1c1714;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 16px 64px;
}

header.top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

header.top a { color: inherit; text-decoration: none; }

.logo {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--brand);
  color: var(--brand-ink);
  font-weight: 800;
  letter-spacing: -0.5px;
}

.name { font-weight: 700; font-size: 18px; }

h1 { font-size: 28px; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
h3 { font-size: 17px; margin: 24px 0 4px; }

p, li { color: var(--text); }
.muted { color: var(--muted); }

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

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  margin: 16px 0;
}

.lang {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.button {
  display: inline-block;
  background: var(--brand);
  color: var(--brand-ink);
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
}

nav.links { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 8px; }

footer {
  margin-top: 48px;
  font-size: 14px;
  color: var(--muted);
}

code {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1px 6px;
  font-size: 14px;
}