* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue: #2a7ce8;
  --yellow: #f5c518;
  --dark: #0d1117;
  --dark2: #161b22;
  --card: #1c2230;
  --text: #e6edf3;
  --muted: #8b949e;
  --border: #30363d;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #eaecf4;
  color: #1a1a2e;
  line-height: 1.7;
}

/* ── Nav ── */
nav {
  background: var(--dark);
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  font-size: 1.15rem;
  font-weight: 700;
  text-decoration: none;
}

.nav-brand .e { color: var(--blue); }
.nav-brand .k { color: var(--yellow); }

.nav-links {
  display: flex;
  gap: 24px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

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

/* ── Page Hero (inner pages) ── */
.page-hero {
  background: var(--dark);
  padding: 56px 24px 60px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.page-hero h1 {
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text);
  line-height: 1.15;
}

.page-hero h1 .e { color: var(--blue); }
.page-hero h1 .k { color: var(--yellow); }

.page-hero p {
  margin-top: 12px;
  font-size: 0.9rem;
  color: var(--muted);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Footer ── */
footer {
  background: var(--dark);
  border-top: 1px solid var(--border);
  padding: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

footer a {
  color: var(--muted);
  text-decoration: none;
  margin: 0 12px;
  transition: color 0.2s;
}

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

footer .footer-links { margin-bottom: 10px; }