/* ============================================================
   nav.css — sticky nav + mobile overlay menu + footer
   ============================================================ */

/* ── Site Nav ─────────────────────────────────────────────── */
#site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(10, 0, 15, 0.75);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-mid), background var(--transition-mid);
}

#site-nav.scrolled {
  border-bottom-color: var(--border-purple);
  background: rgba(10, 0, 15, 0.92);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
}

.nav-inner {
  height: 100%;
}

/* ── Logo ─────────────────────────────────────────────────── */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.nav-logo:hover {
  color: var(--purple);
}

.nav-logo .sparkle-spin {
  color: var(--purple);
  font-size: 0.9rem;
}

/* ── Desktop nav links ────────────────────────────────────── */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

/* ── Hamburger (mobile) ───────────────────────────────────── */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--purple);
  cursor: pointer;
  line-height: 1;
  padding: var(--space-xs);
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.nav-hamburger:hover {
  color: var(--teal);
  transform: scale(1.2) rotate(20deg);
}

/* ── Mobile menu overlay ──────────────────────────────────── */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--nav-height);
  background: rgba(10, 0, 15, 0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  border-top: 1px solid var(--border-purple);
}

.mobile-menu.open {
  display: flex;
  animation: nav-overlay-in 0.25s ease forwards;
}

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.mobile-menu .nav-link {
  font-size: 2rem;
  color: var(--text-primary);
}

.mobile-menu .nav-link:hover,
.mobile-menu .nav-link.active {
  color: var(--purple);
}

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border-purple);
  padding: var(--space-xl) 0 var(--space-lg);
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-primary);
}

.footer-brand .sparkle-spin {
  color: var(--purple);
  font-size: 0.9rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-nav a {
  font-family: var(--font-pixel);
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
}

.footer-nav a:hover { color: var(--purple); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.footer-socials {
  display: flex;
  gap: var(--space-md);
}

.footer-socials a {
  color: var(--text-dim);
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: flex;
  align-items: center;
}

.footer-socials a:hover {
  color: var(--purple);
  transform: translateY(-2px);
}

.footer-badges {
  margin-top: var(--space-lg);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

/* ── Legal bar ────────────────────────────────────────────── */
.legal-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-md) 0 var(--space-sm);
  border-top: 1px solid rgba(191, 95, 255, 0.12);
  margin-top: var(--space-md);
  flex-wrap: wrap;
}

.legal-bar a {
  font-family: var(--font-pixel);
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: lowercase;
  transition: color var(--transition-fast);
}

.legal-bar a:hover { color: var(--purple); }

.legal-bar span {
  font-size: 0.6rem;
  color: var(--text-dim);
  opacity: 0.5;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links    { display: none; }
  .nav-hamburger { display: flex; }

  .footer-top    { flex-direction: column; align-items: flex-start; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}