/* ardops.dev — global layout: nav, footer, grain overlay */

/* ── Decorative grain overlay (opt-in via .with-grain on body)
      Removed by default to avoid axe false-positive contrast detection
      on rendered noise pixels under translucent layers.            */
body { position: relative; isolation: isolate; }

/* ── Site header / Nav ──────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: #0a0e17;
  border-bottom: 1px solid var(--border);
}

.site-nav {
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.nav-logo span { color: var(--text-muted); }

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

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: color var(--dur-short) var(--ease-out);
}

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

/* ── Footer ─────────────────────────────────────── */
.site-footer {
  text-align: center;
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.8rem;
}

.site-footer .footer-mono {
  font-family: var(--font-mono);
  color: var(--accent);
}

.site-footer .footer-tagline {
  margin-top: 0.5rem;
}