:root {
  --bg: #0e0e11;
  --card: #15151a;
  --text: #f5f5f7;
  --muted: #a1a1aa;
  --border: rgba(255,255,255,0.12);
  --accent: #0aff9d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

main {
  max-width: 860px;
  margin: 0 auto;
  padding: 64px 24px;
}

h1 {
  font-size: clamp(32px, 5vw, 48px);
  margin: 0 0 16px;
}

h2 {
  margin: 40px 0 12px;
  font-size: 22px;
}

p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 17px;
}

ul {
  padding-left: 18px;
  margin: 0 0 24px;
}

li {
  margin-bottom: 8px;
}

a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}

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

nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

nav a {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
}

nav a:hover {
  background: rgba(255,255,255,0.08);
}