/* LookFlightsFares - Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg-surface);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

/* Top Announcement / Phone Bar */
.header-topbar {
  background-color: var(--primary-900);
  color: #ffffff;
  font-size: 0.8125rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  color: var(--slate-300);
}

.topbar-badge {
  background-color: var(--accent-500);
  color: var(--slate-950);
  font-weight: 700;
  font-size: 0.6875rem;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.topbar-phone-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent-400);
  font-weight: 700;
  transition: color var(--transition-fast);
}
.topbar-phone-link:hover {
  color: #ffffff;
}

.topbar-link {
  color: var(--slate-300);
  transition: color var(--transition-fast);
}
.topbar-link:hover {
  color: #ffffff;
}

/* Main Navigation Bar */
.header-main {
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.header-logo-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header-logo {
  height: 46px;
  width: auto;
}

/* Desktop Nav Links */
.header-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--slate-700);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-600);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary-600);
  border-radius: var(--radius-full);
}

/* Header Right Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-phone-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.45rem 0.9rem;
  background-color: var(--primary-50);
  border: 1px solid var(--primary-200);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.header-phone-box:hover {
  background-color: var(--primary-100);
  border-color: var(--primary-300);
}

.phone-icon-bubble {
  width: 34px;
  height: 34px;
  background-color: var(--call-orange);
  color: #ffffff;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.phone-text-group {
  display: flex;
  flex-direction: column;
}

.phone-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--slate-500);
}

.phone-number {
  font-size: 0.9375rem;
  font-weight: 800;
  color: var(--primary-900);
  line-height: 1.1;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  color: var(--slate-800);
  cursor: pointer;
}

/* Mobile Navigation Drawer */
.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.6);
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

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

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 85%;
  max-width: 360px;
  background-color: var(--bg-surface);
  z-index: 1100;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  box-shadow: var(--shadow-2xl);
  overflow-y: auto;
}

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

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--slate-200);
}

.drawer-close {
  background: var(--slate-100);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--slate-700);
  font-size: 1.25rem;
}

.drawer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.drawer-link {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--slate-800);
  padding: 0.75rem 0.5rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.drawer-link:hover, .drawer-link.active {
  background-color: var(--primary-50);
  color: var(--primary-600);
}

.drawer-call-cta {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--slate-200);
}

/* Responsive Rules */
@media (max-width: 1024px) {
  .header-nav { display: none; }
  .mobile-menu-toggle { display: block; }
}

@media (max-width: 768px) {
  .header-topbar { display: none; }
  .header-phone-box { display: none; }
  .header-main { height: 64px; }
  .header-logo { height: 38px; }
}