:root {
  --bg: #0b0c0e;
  --panel: #14161a;
  --line: #262a31;
  --text: #e8eaed;
  --muted: #9aa0a8;
  --accent: #ff7a2f;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
main { max-width: 760px; margin: 0 auto; padding: 56px 20px 80px; }
header { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 40px; }
.brand { font-weight: 700; font-size: 22px; 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: 18px; font-size: 14px; }
nav a:hover, nav a[aria-current="page"] { color: var(--text); }
h1 { font-size: 30px; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 19px; margin: 36px 0 8px; }
p, li { color: #d3d6db; }
.muted { color: var(--muted); font-size: 14px; }
.lang { display: flex; gap: 8px; margin: 18px 0 28px; }
.lang a { border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; color: var(--muted); text-decoration: none; font-size: 13px; }
.lang a:hover { color: var(--text); border-color: #3a3f48; }
section { border-top: 1px solid var(--line); padding-top: 8px; margin-top: 40px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; margin: 14px 0; }
a { color: var(--accent); }
footer { margin-top: 64px; color: var(--muted); font-size: 13px; }
@media (max-width: 480px) { h1 { font-size: 25px; } header { flex-direction: column; } nav a { margin: 0 16px 0 0; } }