/* ============================================
   THE ASYLUM — Navigation Styles
   Header navigation and mobile menu
   ============================================ */

/* === HEADER === */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  padding: var(--space-4) var(--space-6);
  background: linear-gradient(
    180deg,
    rgba(10, 6, 8, 0.95) 0%,
    rgba(10, 6, 8, 0.8) 70%,
    transparent 100%
  );
  opacity: 0;
  transform: translateY(-20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.site-header.visible {
  opacity: 1;
  transform: translateY(0);
}

.header-inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* === LOGO === */

.site-logo {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--bone-white);
  text-decoration: none;
  letter-spacing: var(--tracking-wider);
  transition: color var(--transition-normal), text-shadow var(--transition-normal);
}

.site-logo:hover {
  color: var(--spectral-gold);
  text-shadow: var(--glow-text-gold);
}

.site-logo:visited {
  color: var(--bone-white);
}

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

.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  position: relative;
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--bone-white);
  text-decoration: none;
  transition: color var(--transition-normal);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--spectral-gold);
  transition: all var(--transition-normal);
  transform: translateX(-50%);
}

.nav-link:hover {
  color: var(--spectral-gold);
  text-shadow: var(--glow-text-gold);
}

.nav-link:hover::after {
  width: 80%;
}

.nav-link:visited {
  color: var(--bone-white);
}

.nav-link:visited:hover {
  color: var(--spectral-gold);
}

.nav-link[aria-current="page"] {
  color: var(--candle-flame);
}

.nav-link[aria-current="page"]::after {
  width: 100%;
  background: var(--candle-flame);
}

/* === MOBILE MENU BUTTON === */

.nav-toggle {
  display: none;
  padding: var(--space-2);
  background: transparent;
  border: 1px solid var(--iron-dark);
  border-radius: var(--radius-sm);
  color: var(--bone-white);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.nav-toggle:hover {
  border-color: var(--spectral-gold);
  color: var(--spectral-gold);
}

.nav-toggle-icon {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: background var(--transition-fast);
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform var(--transition-fast);
}

.nav-toggle-icon::before {
  top: -7px;
}

.nav-toggle-icon::after {
  bottom: -7px;
}

/* Open state */
.nav-toggle[aria-expanded="true"] .nav-toggle-icon {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
  transform: rotate(-45deg) translate(5px, -5px);
}

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

.nav-mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  height: 100vh;
  background: var(--deep-aubergine);
  border-right: 1px solid var(--iron-dark);
  padding: var(--space-8) var(--space-6);
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  z-index: var(--z-modal);
  overflow-y: auto;
}

.nav-mobile.open {
  transform: translateX(0);
}

.nav-mobile-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 6, 8, 0.8);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.nav-mobile-backdrop.visible {
  opacity: 1;
}

.nav-mobile__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--iron-dark);
}

.nav-mobile__logo {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--spectral-gold);
}

.nav-mobile__close {
  padding: var(--space-2);
  background: transparent;
  border: none;
  color: var(--faded-script);
  cursor: pointer;
  font-size: var(--text-xl);
  line-height: 1;
  transition: color var(--transition-fast);
}

.nav-mobile__close:hover {
  color: var(--bone-white);
}

.nav-mobile__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.nav-mobile__link {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--bone-white);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-mobile__link:hover {
  background: var(--weathered-stone);
  color: var(--spectral-gold);
}

.nav-mobile__link[aria-current="page"] {
  background: var(--weathered-stone);
  color: var(--candle-flame);
  border-left: 3px solid var(--candle-flame);
}

/* === RESPONSIVE === */

@media (max-width: 1024px) {
  .nav-desktop {
    gap: 0;
  }

  .nav-link {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
  }
}

@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .nav-mobile {
    display: block;
  }

  .nav-mobile-backdrop {
    display: block;
  }
}