/* =============================================================================
   YAD AL MA — NAVIGATION STYLES
   Desktop mega-menu + Mobile hamburger + Sticky behaviour
   ============================================================================= */

/* -----------------------------------------------------------------------------
   NAV WRAPPER
   ----------------------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  transition: all var(--transition-base);
}

/* Transparent state (top of page) */
.nav-transparent {
  background: transparent;
  padding: 1.25rem 0;
}

.nav-transparent .nav-logo-text { color: var(--color-white); }
.nav-transparent .nav-link { color: rgba(255, 255, 255, 0.92); }
.nav-transparent .nav-link:hover { color: var(--color-white); }
.nav-transparent .nav-cta-btn {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--color-white);
  backdrop-filter: blur(8px);
}
.nav-transparent .nav-cta-btn:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

/* Scrolled/solid state */
.nav-solid {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 24px rgba(0, 0, 0, 0.08);
  padding: 0.75rem 0;
}

.nav-solid .nav-logo-text { color: var(--color-primary); }
.nav-solid .nav-link { color: var(--color-dark); }
.nav-solid .nav-link:hover { color: var(--color-primary); }
.nav-solid .nav-cta-btn {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}
.nav-solid .nav-cta-btn:hover {
  background: var(--color-primary-dark);
}

/* Opaque by default (non-hero pages) */
.nav-opaque {
  background: var(--color-white) !important;
  box-shadow: 0 1px 24px rgba(0, 0, 0, 0.08);
  padding: 0.75rem 0;
}

.nav-opaque .nav-logo-text { color: var(--color-primary) !important; }
.nav-opaque .nav-link { color: var(--color-dark) !important; }
.nav-opaque .nav-link:hover { color: var(--color-primary) !important; }
.nav-opaque .nav-cta-btn {
  background: var(--color-primary) !important;
  border-color: var(--color-primary) !important;
  color: var(--color-white) !important;
}

/* -----------------------------------------------------------------------------
   NAV INNER LAYOUT
   ----------------------------------------------------------------------------- */
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  text-decoration: none;
}

.nav-logo-img {
  height: 52px;
  width: auto;
  transition: height var(--transition-base);
  display: block;
}

.nav-solid .nav-logo-img,
.nav-opaque .nav-logo-img {
  height: 44px;
}

.nav-logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  line-height: 1;
  transition: color var(--transition-base);
  color: var(--color-white);
}

.nav-logo-tagline {
  font-size: var(--text-xs);
  font-weight: var(--fw-regular);
  letter-spacing: 0.05em;
  opacity: 0.75;
  display: block;
  margin-top: 2px;
}

/* Desktop navigation links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0.5rem 0.85rem;
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
  color: rgba(255, 255, 255, 0.92);
  text-decoration: none;
  line-height: 1;
}

.nav-link.active,
.nav-link-active,
.nav-link--active {
  color: var(--color-accent) !important;
}

.nav-link:hover {
  background: rgba(27, 94, 32, 0.08);
}

.nav-link svg,
.nav-link i {
  width: 14px;
  height: 14px;
  font-size: 14px;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.nav-item:hover .nav-link svg,
.nav-item:hover .nav-link i { transform: rotate(180deg); }


/* CTA button in nav */
.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  border: 2px solid;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
}

/* -----------------------------------------------------------------------------
   MEGA MENU (SERVICES DROPDOWN)
   ----------------------------------------------------------------------------- */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  width: 680px;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-gray-200);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
  transform: translateX(-50%) translateY(-8px);
  z-index: var(--z-dropdown);
  overflow: hidden;
}

.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

/* Bridge element so hover doesn't break */
.nav-item::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 8px;
  bottom: -8px;
}

.nav-dropdown-header {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  padding: var(--space-6) var(--space-6) var(--space-5);
}

.nav-dropdown-header-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--fw-semibold);
  color: var(--color-white);
  margin-bottom: var(--space-1);
}

.nav-dropdown-header-subtitle {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.72);
}

.nav-dropdown-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  padding: var(--space-4);
  background: var(--color-gray-100);
}

.nav-dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  background: var(--color-white);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.nav-dropdown-item:hover {
  background: var(--color-green-50);
  transform: translateX(3px);
}

.nav-dropdown-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--color-green-100);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-dropdown-icon svg,
.nav-dropdown-icon i {
  width: 18px;
  height: 18px;
  font-size: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
}


.nav-dropdown-item-title {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-dark);
  display: block;
  line-height: 1.3;
  margin-bottom: 2px;
}

.nav-dropdown-item-desc {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  line-height: 1.4;
}

.nav-dropdown-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-green-50);
}

.nav-dropdown-footer-link {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  text-decoration: none;
  transition: gap var(--transition-base);
}

.nav-dropdown-footer-link:hover { gap: var(--space-2); }

.nav-dropdown-footer-link svg,
.nav-dropdown-footer-link i {
  width: 14px;
  height: 14px;
  font-size: 14px;
  flex-shrink: 0;
}


/* Simple dropdown (non-mega) */
.nav-dropdown-simple {
  width: 220px;
  padding: var(--space-2);
}

.nav-dropdown-simple .nav-dropdown-grid {
  grid-template-columns: 1fr;
  padding: 0;
  background: none;
}

/* -----------------------------------------------------------------------------
   MOBILE NAVIGATION
   ----------------------------------------------------------------------------- */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  z-index: var(--z-overlay);
  padding: 0;
}

.nav-solid .nav-hamburger,
.nav-opaque .nav-hamburger {
  background: var(--color-green-100);
  border-color: var(--color-green-200);
}

.nav-hamburger:hover {
  background: rgba(255, 255, 255, 0.25);
}

.nav-solid .nav-hamburger:hover,
.nav-opaque .nav-hamburger:hover {
  background: var(--color-green-200);
}

.hamburger-line {
  width: 22px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base), width var(--transition-base);
  display: block;
}

.nav-solid .hamburger-line,
.nav-opaque .hamburger-line {
  background: var(--color-primary);
}

.nav-hamburger.open .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-hamburger.open .hamburger-line:nth-child(2) {
  opacity: 0;
  width: 0;
}

.nav-hamburger.open .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu overlay */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-white);
  z-index: calc(var(--z-overlay) - 1);
  flex-direction: column;
  overflow-y: auto;
  padding-top: 80px;
  transform: translateX(100%);
  transition: transform var(--transition-slow) cubic-bezier(0.4, 0, 0.2, 1);
}

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

.mobile-menu-inner {
  padding: var(--space-6) var(--space-6) var(--space-12);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  font-size: var(--text-lg);
  font-weight: var(--fw-medium);
  color: var(--color-dark);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
  border-bottom: 1px solid var(--color-gray-100);
}

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

.mobile-nav-link svg,
.mobile-nav-link i {
  width: 18px;
  height: 18px;
  font-size: 18px;
  color: var(--color-gray-400);
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.mobile-nav-link.expanded svg,
.mobile-nav-link.expanded i { transform: rotate(180deg); }


.mobile-submenu {
  display: none;
  flex-direction: column;
  gap: 2px;
  padding: var(--space-2) var(--space-4);
  background: var(--color-green-50);
  border-radius: var(--radius-md);
  margin-top: 2px;
}

.mobile-submenu.open { display: flex; }

.mobile-submenu-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-2);
  font-size: var(--text-base);
  color: var(--color-gray-600);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.mobile-submenu-link::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-green-300);
  flex-shrink: 0;
}

.mobile-submenu-link:hover { color: var(--color-primary); }

.mobile-menu-cta {
  margin-top: var(--space-6);
  padding: 0 var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.mobile-contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-4);
  background: var(--color-green-50);
  border-radius: var(--radius-lg);
  margin-top: var(--space-4);
}

.mobile-contact-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  text-decoration: none;
}

.mobile-contact-row svg,
.mobile-contact-row i {
  width: 18px;
  height: 18px;
  font-size: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
}


.mobile-contact-row:hover { color: var(--color-primary); }

/* Body scroll lock when menu is open */
body.menu-open {
  overflow: hidden;
}

/* -----------------------------------------------------------------------------
   RESPONSIVE BREAKPOINTS
   ----------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .mobile-menu { display: flex; }

  .nav-transparent { padding: 1rem 0; }
  .nav-logo-img { height: 44px; }
}

@media (max-width: 480px) {
  .nav-logo-tagline { display: none; }
  .nav-logo-img { height: 38px; }
}