:root {
  --bg: #111214;
  --card: #1b1c20;
  --text: #f3f3f5;
  --muted: #a3a6ae;
  --accent: #ffc93c;
  --line: #2c2e34;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  padding-inline: 16px;
  padding-block: 40px 56px;
}
main { max-width: 680px; margin: 0 auto; }
header { margin-bottom: 28px; }
h1 { font-size: 2rem; font-weight: 800; letter-spacing: -0.01em; }
.sub { color: var(--muted); margin-top: 4px; }
h2 { font-size: 1.15rem; margin: 28px 0 8px; }
p, li { color: #d6d7db; }
p + p { margin-top: 10px; }
ul { padding-left: 1.2rem; display: grid; gap: 6px; }
a { color: var(--accent); }
nav { display: flex; gap: 18px; margin-top: 14px; font-weight: 700; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; margin-top: 12px; }
footer { color: var(--muted); font-size: 0.9rem; margin-top: 40px; }