/* Shared styles for every page: tokens, background, nav, footer. */
:root {
  --bg-void: #050508;
  --accent-cyan: #00d4ff;
  --accent-purple: #8b5cf6;
  --accent-glow: #FFFBC9;
  --text-primary: #e8e8ed;
  --text-muted: rgba(255, 255, 255, 0.6);
  --text-ghost: rgba(255, 255, 255, 0.4);
  --line: rgba(255, 255, 255, 0.1);
  --error: #ff6b81;
  --mono: 'JetBrains Mono', monospace;
}

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

body {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--bg-void);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

.void-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 20% 100%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse 50% 50% at 80% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
}

/* Nav */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem;
}

.nav-brand {
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-primary);
}

.nav-links { display: flex; gap: 2rem; list-style: none; }

.nav-links a {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-ghost);
  text-decoration: none;
  padding: 0.25rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav-links a:hover, .nav-links a:focus-visible { color: var(--text-primary); outline: none; border-color: var(--text-ghost); }
.nav-links a[aria-current="page"] { color: var(--accent-cyan); border-color: var(--accent-cyan); }

main { flex: 1; width: 100%; }

.footer {
  padding: 2.5rem 1.5rem;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--text-ghost);
  letter-spacing: 0.15em;
  opacity: 0.5;
}

@media (max-width: 480px) {
  .nav { padding: 1.25rem 1rem; }
  .nav-brand { font-size: 0.95rem; letter-spacing: 0.35em; }
  .nav-links { gap: 1.25rem; }
  .nav-links a { font-size: 0.68rem; letter-spacing: 0.12em; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}