/* ============================================================
   MEGA MENU STYLES
   Premium glassmorphism mega menu with card grid
   ============================================================ */

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all 0.4s var(--ease);
}
.navbar--transparent { 
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.04);
}
.navbar--scrolled {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 10px 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.08);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}
.navbar__logo {
  display: flex;
  align-items: center;
}
.navbar__logo img {
  height: 65px;
  width: auto;
  max-width: 300px;
  object-fit: contain;
  transition: all var(--duration) var(--ease);
}
.navbar--scrolled .navbar__logo img {
  height: 50px;
}

@media (max-width: 480px) {
  .navbar__logo img {
    height: 45px;
    max-width: 200px;
  }
}

/* ---------- Nav Links ---------- */
.navbar__menu { display: flex; align-items: center; gap: 4px; }
.navbar__item { position: relative; }
.navbar__link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 18px;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.92rem;
  border-radius: var(--radius-md);
  transition: all var(--duration) var(--ease);
  letter-spacing: 0.2px;
}
.navbar__link:hover,
.navbar__link--active { color: var(--accent); background: rgba(12,27,58,0.04); }
.navbar__link i.fa-chevron-down { font-size: 0.65rem; transition: transform var(--duration) var(--ease); }
.navbar__item:hover .navbar__link i.fa-chevron-down { transform: rotate(180deg); }

/* ---------- Mega Menu Container ---------- */
.mega-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.15), 0 0 0 1px rgba(0,0,0,0.04);
  padding: 28px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.35s var(--ease);
  pointer-events: none;
}
.navbar__item:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: all;
}

/* Invisible bridge to prevent gap hover issue */
.mega-menu::before {
  content: '';
  position: absolute;
  top: -16px;
  left: 0;
  right: 0;
  height: 16px;
}

/* ---------- About Us Mega Menu ---------- */
.mega-menu--about { min-width: 520px; }
.mega-menu--about .mega-menu__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

/* ---------- Services/Concerns Mega Menu ---------- */
.mega-menu--services { min-width: 780px; }
.mega-menu--services .mega-menu__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

/* ---------- Media Center Mega Menu ---------- */
.mega-menu--media { min-width: 320px; }

/* ---------- Mega Menu Item ---------- */
.mega-menu__item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  transition: all var(--duration) var(--ease);
  color: var(--text);
}
.mega-menu__item:hover {
  background: var(--surface);
  transform: translateX(4px);
}
.mega-menu__item-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--duration) var(--ease);
  overflow: hidden;
}
.mega-menu__item:hover .mega-menu__item-icon { background: var(--secondary); color: var(--white); }
.mega-menu__item-icon i { font-size: 1rem; color: var(--secondary); transition: color var(--duration) var(--ease); }
.mega-menu__item:hover .mega-menu__item-icon i { color: var(--white); }
.mega-menu__item-icon img { width: 100%; height: 100%; object-fit: contain; padding: 4px; }
.mega-menu__item-label { font-weight: 600; font-size: 0.9rem; line-height: 1.3; }
.mega-menu__item-desc { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }

/* ---------- Concern Card in Mega Menu ---------- */
.mega-menu__concern {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  transition: all var(--duration) var(--ease);
  color: var(--text);
}
.mega-menu__concern:hover { background: var(--surface); }
.mega-menu__concern-logo {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  object-fit: contain;
  background: var(--surface-2);
  padding: 4px;
  flex-shrink: 0;
}
.mega-menu__concern-name { font-weight: 600; font-size: 0.85rem; }

/* ---------- Mega Menu Section Header ---------- */
.mega-menu__section-title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
  font-weight: 700;
  padding: 8px 16px 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}

/* ---------- Mobile Toggle ---------- */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.navbar__toggle span {
  width: 24px;
  height: 2.5px;
  background: var(--primary);
  border-radius: 2px;
  transition: all var(--duration) var(--ease);
}
.navbar__toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.navbar__toggle.active span:nth-child(2) { opacity: 0; }
.navbar__toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---------- Mobile Menu ---------- */
@media (max-width: 1024px) {
  .navbar__toggle { display: flex; }
  .navbar__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    max-width: 100%;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 24px 32px;
    gap: 0;
    transition: right 0.4s var(--ease);
    overflow-y: auto;
  }
  .navbar__menu.active { right: 0; }
  .navbar__link { width: 100%; padding: 14px 0; border-bottom: 1px solid rgba(0,0,0,0.06); color: var(--primary); }
  .mega-menu {
    position: static;
    transform: none;
    box-shadow: none;
    background: rgba(0,0,0,0.02);
    border: none;
    border-radius: var(--radius-md);
    padding: 12px;
    display: none;
    opacity: 1;
    visibility: visible;
    pointer-events: all;
    width: 100%;
  }
  .navbar__item.mobile-open .mega-menu { display: block; }
  .mega-menu--about,
  .mega-menu--services,
  .mega-menu--media { min-width: unset; }
  .mega-menu--about .mega-menu__grid,
  .mega-menu--services .mega-menu__grid { grid-template-columns: 1fr; }
  .mega-menu__item { color: var(--text); }
  .mega-menu__item:hover { background: rgba(0,0,0,0.04); }
  .mega-menu__item-icon { background: rgba(0,0,0,0.04); }
  .mega-menu__item-icon i { color: var(--accent); }
  .mega-menu__concern { color: var(--text); }
  .mega-menu__concern:hover { background: rgba(0,0,0,0.04); }
  .mega-menu__concern-logo { background: var(--white); border: 1px solid rgba(0,0,0,0.05); }
  .mega-menu__section-title { color: var(--text-muted); border-bottom-color: rgba(0,0,0,0.05); }
  .mega-menu__item-desc { color: var(--text-light); }

  /* Mobile overlay */
  .mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration) var(--ease);
  }
  .mobile-overlay.active { opacity: 1; visibility: visible; }
}