/* =====================================================================
   AAGANERA — NAVBAR / MEGA MENU
   ===================================================================== */

.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  background: rgba(248, 250, 252, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  transition: background var(--transition-base), box-shadow var(--transition-base), padding var(--transition-base);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 30px -12px rgba(15, 23, 42, 0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: var(--space-8);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
  transition: opacity var(--transition-fast);
}

.logo:hover {
  opacity: 0.85;
}

.logo-img {
  height: 32px;
  width: auto;
  display: block;
}

.logo .logo-mark {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: var(--text-base);
  box-shadow: var(--shadow-glow);
}

/* Main nav */
.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-list > li {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-4);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--gray-700);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.active {
  color: var(--color-primary);
  background: var(--color-primary-50);
}

.nav-link .chevron {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.has-dropdown.open .nav-link .chevron {
  transform: rotate(180deg);
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
}

/* Hamburger (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  margin-inline: auto;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------------------------------------------------------------------
   MEGA MENUS (desktop)
   --------------------------------------------------------------------- */
.mega-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--color-surface);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-6);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  z-index: var(--z-dropdown);
}

.has-dropdown.open .mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

/* Products mega menu */
.mega-menu-products {
  width: 620px;
  left: -60px;
  transform: translateX(0) translateY(10px);
}

.has-dropdown.open .mega-menu-products {
  transform: translateX(0) translateY(0);
}

.product-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.product-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  background: var(--gray-50);
  transition: all var(--transition-base);
}

.product-card:hover {
  border-color: transparent;
  background: #fff;
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.product-card .product-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.product-card .product-icon svg {
  width: 24px;
  height: 24px;
}

.product-card.airs .product-icon {
  background: var(--gradient-primary);
}

.product-card.hrish .product-icon {
  background: var(--color-success);
}

.product-card h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-1);
}

.product-card p {
  font-size: var(--text-sm);
  color: var(--gray-500);
  line-height: 1.5;
}

.product-card .product-cta {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
}

.product-card .product-cta svg {
  width: 15px;
  height: 15px;
  transition: transform var(--transition-fast);
}

.product-card:hover .product-cta svg {
  transform: translateX(4px);
}

.mega-menu-footer {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-sm);
}

.mega-menu-footer a {
  font-weight: 700;
  color: var(--color-primary);
}

/* Services mega menu */
.mega-menu-services {
  width: 520px;
  left: 50%;
}

.service-groups {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.service-group h5 {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-400);
  margin-bottom: var(--space-3);
  font-weight: 800;
}

.service-group ul li {
  margin-bottom: var(--space-1);
}

.service-group ul li a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--gray-700);
  padding: var(--space-2) var(--space-2);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.service-group ul li a:hover {
  color: var(--color-primary);
  background: var(--color-primary-50);
  padding-left: var(--space-3);
}

.service-group ul li a svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  color: var(--color-accent);
}

/* ---------------------------------------------------------------------
   RESPONSIVE OVERRIDES LIVE IN responsive.css
   --------------------------------------------------------------------- */