/* ============================================================================
   layout.css — Header, Navbar (two-tier), Footer styles
   ============================================================================ */

/* ─── HEADER WRAPPER ─────────────────────────────────────── */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: box-shadow var(--duration-300) var(--ease-default);
}

/* ─── TOP UTILITY BAR ────────────────────────────────────── */
.top-bar {
  background: #002868;
  color: #fff;
  font-size: var(--text-sm);
  padding: var(--space-2) 0;
  overflow: hidden;
  max-height: 48px;
  opacity: 1;
  transition: max-height 0.3s ease, padding 0.3s ease, opacity 0.3s ease;
}
.top-bar-hidden {
  max-height: 0 !important;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
  opacity: 0 !important;
}

.top-bar .container {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.top-bar-left {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}
.top-bar-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.top-bar-item {
  display: flex;
  align-items: center;
  gap: var(--space-1-5, 0.375rem);
  color: rgba(255,255,255,0.85);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: color var(--duration-150) var(--ease-default);
  white-space: nowrap;
}
.top-bar-item:hover { color: #fff; text-decoration: none; }
.top-bar-item i { color: var(--primary-400, #6699cc); flex-shrink: 0; }
.top-bar a.top-bar-item.cta {
  background: var(--accent-500, #ef4444);
  color: #fff;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
  font-weight: var(--weight-semibold);
  transition: background var(--duration-150) var(--ease-default);
}
.top-bar a.top-bar-item.cta:hover { background: var(--accent-600, #dc2626); color: #fff; text-decoration: none; }

/* ─── MAIN NAVBAR ────────────────────────────────────────── */
.navbar {
  background: #fff;
  padding: var(--space-3) 0;
  transition: box-shadow var(--duration-300) var(--ease-default);
  border-bottom: 1px solid var(--secondary-100, #f3f4f6);
}
.navbar .container {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

/* ── Logo ── */
.navbar-logo {
  flex-shrink: 0;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.navbar-logo img {
  height: 75px;
  width: auto;
  display: block;
  transition: height var(--duration-300) var(--ease-default);
  background: #ffffff;
  padding: 6px 10px;
  border-radius: 4px;
}
.navbar-logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: #002868;
  line-height: 1.2;
  text-decoration: none;
}
.navbar-logo-text span {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--weight-regular);
  color: var(--secondary-500, #6b7280);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}
.navbar-logo:hover .navbar-logo-text { text-decoration: none; color: #003a99; }

/* ── Desktop Nav Links ── */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}
@media (max-width: 1024px) {
  .nav-menu { display: none; }
}

.nav-item {
  position: relative;
  list-style: none;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--secondary-800, #1f2937);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: color var(--duration-150) var(--ease-default), background var(--duration-150) var(--ease-default);
  white-space: nowrap;
}
.nav-link:hover {
  color: var(--primary-600, #002868);
  background: var(--primary-50, #e6eeff);
  text-decoration: none;
}
.nav-link.active {
  color: var(--primary-600, #002868);
}
.nav-link i.chevron { transition: transform var(--duration-200) var(--ease-default); }
.nav-item:hover .nav-link i.chevron,
.nav-item:focus-within .nav-link i.chevron { transform: rotate(180deg); }

/* ── Navbar CTA ── */
.navbar-cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}
@media (max-width: 1024px) {
  .navbar-cta .btn { display: none; }
}

/* ── Hamburger ── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--secondary-200, #e5e7eb);
  border-radius: var(--radius-md);
  cursor: pointer;
  padding: var(--space-2);
  z-index: 95;
  transition: border-color var(--duration-150) var(--ease-default);
}
@media (max-width: 1024px) {
  .hamburger { display: flex; }
}
.hamburger:hover { border-color: var(--primary-400, #3361a8); }
.hamburger-line {
  width: 22px;
  height: 2px;
  background: var(--secondary-700, #374151);
  border-radius: var(--radius-full);
  transition: all var(--duration-200) var(--ease-default);
  transform-origin: center;
  display: block;
}
.hamburger.open .hamburger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open .hamburger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open .hamburger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── DROPDOWN MENUS ─────────────────────────────────────── */
.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: #fff;
  border: 1px solid var(--secondary-100, #f3f4f6);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--duration-200) var(--ease-default), transform var(--duration-200) var(--ease-default), visibility var(--duration-200);
  pointer-events: none;
  z-index: 100;
}
/* Invisible bridge to prevent hover gap */
.dropdown::before {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 0;
  width: 100%;
  height: 16px;
}
.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}
.dropdown-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--secondary-700, #374151);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background var(--duration-150) var(--ease-default), color var(--duration-150) var(--ease-default);
}
.dropdown-link:hover {
  background: var(--primary-50, #e6eeff);
  color: var(--primary-700, #002868);
  text-decoration: none;
}
.dropdown-link i { color: var(--primary-500, #002868); flex-shrink: 0; width: 16px; height: 16px; }

/* ─── MEGAMENU ───────────────────────────────────────────── */
.has-megamenu { position: relative; }
.megamenu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 620px;
  max-width: 780px;
  background: #fff;
  border: 1px solid var(--secondary-100, #f3f4f6);
  border-radius: var(--radius-2xl);
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  padding: var(--space-5);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--duration-200) var(--ease-default), transform var(--duration-200) var(--ease-default), visibility var(--duration-200);
  z-index: 100;
}
/* Invisible bridge to prevent hover gap between nav link and megamenu panel */
.megamenu::before {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 0;
  width: 100%;
  height: 20px;
}
.has-megamenu:hover .megamenu,
.has-megamenu:focus-within .megamenu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
/* Scrolled header is shorter, adjust bridge accordingly */
header.scrolled .megamenu::before { height: 12px; }

.megamenu-heading {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--secondary-400, #9ca3af);
  padding: var(--space-1) var(--space-3);
  margin-bottom: var(--space-1);
}
.megamenu-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-1);
  list-style: none;
  padding: 0;
  margin: 0;
}
.megamenu-grid a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  color: var(--secondary-700, #374151);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  text-decoration: none;
  transition: background var(--duration-150) var(--ease-default), color var(--duration-150) var(--ease-default);
}
.megamenu-grid a:hover {
  background: var(--primary-50, #e6eeff);
  color: var(--primary-700, #002868);
  text-decoration: none;
}
.megamenu-grid a i { color: #002868; flex-shrink: 0; }

/* Wider 3-column grid for areas megamenu */
.megamenu-areas .megamenu-grid {
  grid-template-columns: repeat(3, 1fr);
}

/* ─── SCROLLED HEADER STATE ──────────────────────────────── */
header.scrolled .navbar {
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* ─── MOBILE DRAWER ──────────────────────────────────────── */
.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 80;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-300) var(--ease-default), visibility var(--duration-300);
  pointer-events: none;
}
.mobile-overlay.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  max-width: 90vw;
  height: 100vh;
  background: #fff;
  z-index: 90;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--duration-300) var(--ease-default);
  display: flex;
  flex-direction: column;
}
.mobile-drawer.open { transform: translateX(0); }

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--secondary-100, #f3f4f6);
  background: var(--secondary-900, #111827);
}
.mobile-drawer-close {
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #fff;
  z-index: 91;
  transition: background var(--duration-150) var(--ease-default);
}
.mobile-drawer-close:hover { background: rgba(255,255,255,0.2); }

.mobile-nav {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  flex: 1;
}
.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--secondary-800, #1f2937);
  text-decoration: none;
  border-radius: var(--radius-lg);
  transition: background var(--duration-150) var(--ease-default), color var(--duration-150) var(--ease-default);
}
.mobile-nav-link:hover {
  background: var(--primary-50, #e6eeff);
  color: var(--primary-700, #002868);
  text-decoration: none;
}
.mobile-accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--secondary-800, #1f2937);
  background: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  text-align: left;
  transition: background var(--duration-150) var(--ease-default), color var(--duration-150) var(--ease-default);
}
.mobile-accordion-trigger:hover { background: var(--primary-50, #eff6ff); color: var(--primary-700); }
.mobile-accordion-icon {
  transition: transform var(--duration-200) var(--ease-default);
  color: var(--primary-500);
  flex-shrink: 0;
}
.mobile-accordion-item.open .mobile-accordion-icon { transform: rotate(180deg); }
.mobile-sub-links {
  display: none;
  flex-direction: column;
  padding-left: var(--space-4);
  gap: var(--space-1);
  padding-top: var(--space-1);
  padding-bottom: var(--space-2);
}
.mobile-accordion-item.open .mobile-sub-links { display: flex; }
.mobile-sub-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  color: var(--secondary-600, #4b5563);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background var(--duration-150) var(--ease-default), color var(--duration-150) var(--ease-default);
}
.mobile-sub-link:hover { background: var(--primary-50, #e6eeff); color: var(--primary-700, #002868); text-decoration: none; }
.mobile-sub-link i { color: #002868; flex-shrink: 0; }

.mobile-nav-divider {
  height: 1px;
  background: var(--secondary-100, #f3f4f6);
  margin: var(--space-3) 0;
}
.mobile-nav-cta {
  padding: var(--space-4);
  border-top: 1px solid var(--secondary-100, #f3f4f6);
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* ─── PAGE TITLE HERO BAR ────────────────────────────────── */
/* Used on interior pages that don't have a full hero */
.page-hero {
  background: linear-gradient(135deg, var(--secondary-900, #111827) 0%, var(--primary-900, #1e3a8a) 100%);
  padding: calc(var(--header-height, 140px) + var(--space-16)) 0 var(--space-16);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('') center/cover no-repeat;
  opacity: 0.15;
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero-title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  color: #fff;
  line-height: var(--leading-tight);
  text-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.page-hero-subtitle {
  font-size: var(--text-lg);
  color: #fff;
  margin-top: var(--space-3);
  line-height: var(--leading-relaxed);
}
/* ─── FOOTER ─────────────────────────────────────────────── */
footer {
  background: var(--secondary-900, #111827);
  color: #fff;
  padding: var(--space-16) 0 0;
}
.footer-top {
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-top .container {
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-10);
}
.footer-col { flex: 1 1 220px; min-width: 0; }
.footer-col-wide { flex: 1.5 1 280px; }

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  margin-bottom: var(--space-4);
}
.footer-logo img { height: 44px; width: auto; }
.footer-logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: #fff;
  line-height: 1.2;
}
.footer-logo-text span {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--weight-regular);
  color: var(--gray-400, #9ca3af);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}
.footer-tagline {
  font-size: var(--text-sm);
  color: var(--gray-400, #9ca3af);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-5);
}
.footer-heading {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: #fff;
  margin-bottom: var(--space-5);
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links a {
  font-size: var(--text-sm);
  color: var(--gray-400, #9ca3af);
  text-decoration: none;
  transition: color var(--duration-150) var(--ease-default);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.footer-links a:hover { color: #fff; text-decoration: none; }
.footer-links a i { color: var(--primary-400, #6699cc); flex-shrink: 0; }

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.footer-contact-item i { color: var(--primary-400, #6699cc); flex-shrink: 0; margin-top: 2px; }
.footer-contact-text {
  font-size: var(--text-sm);
  color: var(--gray-400, #9ca3af);
  line-height: var(--leading-relaxed);
}
.footer-contact-text strong { color: #fff; display: block; margin-bottom: var(--space-1); }
.footer-contact-text a { color: var(--gray-300, #d1d5db); transition: color var(--duration-150) var(--ease-default); }
.footer-contact-text a:hover { color: #fff; text-decoration: none; }

.footer-social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
  flex-wrap: wrap;
}
.footer-social-link {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #eb1414;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-300, #d1d5db);
  text-decoration: none;
  transition: background var(--duration-150) var(--ease-default), color var(--duration-150) var(--ease-default);
}
.footer-social-link:hover { background: #c50f0f; color: #fff; text-decoration: none; }

.footer-bottom {
  padding: var(--space-5) 0;
}
.footer-bottom .container {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.footer-bottom-text {
  font-size: var(--text-sm);
  color: var(--gray-500, #6b7280);
}
.footer-bottom-links {
  display: flex;
  gap: var(--space-5);
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-bottom-links a {
  font-size: var(--text-sm);
  color: var(--gray-500, #6b7280);
  text-decoration: none;
  transition: color var(--duration-150) var(--ease-default);
}
.footer-bottom-links a:hover { color: #fff; text-decoration: none; }

/* ─── RESPONSIVE LAYOUT ──────────────────────────────────── */
@media (max-width: 768px) {
  .top-bar { display: none; }
  .footer-top .container { flex-direction: column; gap: var(--space-8); }
  .footer-bottom .container { flex-direction: column; text-align: center; }
  .footer-bottom-links { justify-content: center; }
  .page-hero-title { font-size: var(--text-3xl); }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .top-bar-left { gap: var(--space-3); }
  .footer-col { flex: 1 1 45%; }
  .footer-col-wide { padding-bottom: 0; padding-left: 10px; padding-right: 10px; }
  .footer-top { padding-bottom: 0; }
}