/* ============================================================
   NAVIGATION — Second Timothy Baptist Church
   ============================================================ */

.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(27, 58, 107, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(107,63,160,0.25);
  transition: box-shadow var(--transition-interactive);
}
.site-nav.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.25); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: var(--space-8);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo svg { width: 40px; height: 40px; }
.nav-logo-text { line-height: 1.2; }
.nav-logo-text .church-name {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: white;
  display: block;
}
.nav-logo-text .church-location {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  transition: color var(--transition-interactive), background var(--transition-interactive);
  letter-spacing: 0.03em;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--color-gold);
  background: rgba(107,63,160,0.1);
}

/* Nav actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-full);
  color: rgba(255,255,255,0.7);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.theme-toggle:hover { color: var(--color-gold); background: rgba(107,63,160,0.1); }

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: var(--space-2);
  cursor: pointer;
}
.nav-hamburger span {
  display: block;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Mobile menu */
.nav-mobile {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0; bottom: 0;
  background: var(--color-primary);
  z-index: 99;
  flex-direction: column;
  padding: var(--space-8) var(--space-6);
  gap: var(--space-2);
  overflow-y: auto;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: white;
  padding: var(--space-4) 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  transition: color var(--transition-interactive);
}
.nav-mobile a:hover { color: var(--color-gold); }
.nav-mobile .btn { margin-top: var(--space-6); align-self: flex-start; }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
}

/* Spacer so content doesn't hide under fixed nav */
.nav-spacer { height: 72px; }