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

:root {
  --bg:       #0D1117;
  --surface:  #161B22;
  --surface2: #1C2128;
  --border:   #30363D;
  --brand:    #0CB8A8;
  --brand-lt: #38D9C8;
  --text:     #E6EDF3;
  --muted:    #7D8590;
  --yellow:   #D29922;
  --red:      #f85149;
  --green:    #3fb950;
  --radius:   10px;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-lt); }

/* ── Nav ──────────────────────────────────────────── */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(13,17,23,0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  height: 60px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center;
  font-size: 1.1rem; font-weight: 600; color: var(--text);
  text-decoration: none;
}
.nav-logo:hover { color: var(--text); }
.nav-logo svg { width: 28px; height: 28px; margin-right: 0.5rem; }
.nav-logo .dim { color: var(--brand); font-weight: 300; }
.nav-links { display: flex; gap: 1.5rem; font-size: 0.88rem; }
.nav-links a { color: var(--muted); }
.nav-links a:hover, .nav-links a.active { color: var(--text); }

/* ── Footer ───────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: auto;
}
.footer-logo {
  display: flex; align-items: center;
  font-weight: 600; color: var(--text);
  text-decoration: none; font-size: 0.95rem;
}
.footer-logo:hover { color: var(--text); }
.footer-logo svg { width: 20px; height: 20px; margin-right: 0.4rem; }
.footer-logo .dim { color: var(--brand); font-weight: 300; }
footer a { color: var(--muted); }
footer a:hover { color: var(--text); }
.footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }

@media (max-width: 500px) {
  footer { flex-direction: column; align-items: flex-start; }
  .nav-links { gap: 1rem; font-size: 0.82rem; }
}