/* ============================================
   NAVIGATION
   ============================================ */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-3xl);
  border-bottom: 1px solid var(--color-gold-border);
  background: rgba(13, 17, 23, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  animation: fadeUp 0.8s var(--ease-out-expo) both;
}

.site-nav__logo {
  font-family: var(--font-heading);
  font-size: 14px;
  letter-spacing: 8px;
  color: var(--color-gold-bright);
  text-transform: uppercase;
  text-decoration: none;
  transition: color var(--duration-fast);
}

.site-nav__logo:hover {
  color: var(--color-gold);
}

.site-nav__links {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
}

.site-nav__link {
  color: var(--color-text-muted);
  font-family: var(--font-heading);
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  text-decoration: none;
  transition: color var(--duration-fast);
  position: relative;
}

.site-nav__link:hover {
  color: var(--color-gold-bright);
}

.site-nav__link--active {
  color: var(--color-gold-bright);
}

.site-nav__link--active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-gold-bright);
}

/* Mobile hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle__bar {
  width: 24px;
  height: 1px;
  background: var(--color-gold);
  transition: transform var(--duration-fast), opacity var(--duration-fast);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

/* Spacer for fixed nav */
.nav-spacer {
  height: var(--nav-height);
}

/* ============================================
   RESPONSIVE NAV
   ============================================ */

@media (max-width: 1024px) {
  .site-nav {
    padding: 0 var(--space-xl);
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav__links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xl);
    background: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duration-normal);
  }

  .site-nav__links--open {
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav__link {
    font-size: 14px;
    letter-spacing: 6px;
  }
}