/* ============================================
   MEGA AUTO PARTS - Shared Components
   Header, Footer, Navigation
   ============================================ */

/* --- Top Bar --- */
.top-bar {
  background: var(--mega-black);
  color: var(--mega-gray-400);
  font-size: var(--text-xs);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--mega-dark-border);
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.top-bar-left a,
.top-bar-left span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--mega-gray-400);
  transition: color var(--transition-fast);
}

.top-bar-left a:hover {
  color: var(--mega-orange);
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.lang-switch a {
  padding: var(--space-1) var(--space-2);
  color: var(--mega-gray-500);
  font-weight: var(--weight-medium);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.lang-switch a:hover {
  color: var(--mega-white);
  background: var(--mega-dark-card);
}

.lang-switch a.active {
  color: var(--mega-orange);
  background: var(--mega-dark-card);
}

.lang-switch .divider-lang {
  color: var(--mega-gray-700);
}

.social-links-top {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.social-links-top a {
  color: var(--mega-gray-500);
  transition: color var(--transition-fast);
  font-size: 0.85rem;
}

.social-links-top a:hover {
  color: var(--mega-orange);
}

/* --- Main Header --- */
.main-header {
  background: var(--mega-black);
  padding: var(--space-4) 0;
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  box-shadow: none;
  transition: all var(--transition-base);
  border-bottom: 1px solid var(--mega-dark-border);
}

.main-header.scrolled {
  padding: var(--space-2) 0;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

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

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

.logo img {
  height: 48px;
  width: auto;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-extrabold);
  color: var(--mega-white);
  letter-spacing: var(--tracking-tight);
}

.logo-text span {
  color: var(--mega-orange);
}

/* --- Main Navigation --- */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.main-nav a {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--mega-gray-300);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
  white-space: nowrap;
}

.main-nav a:hover {
  color: var(--mega-white);
  background: rgba(255,255,255,0.08);
}

.main-nav a.active {
  color: var(--mega-orange);
  font-weight: var(--weight-semibold);
}

.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--mega-orange);
  border-radius: var(--radius-full);
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--mega-white);
  border: 1px solid var(--mega-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition-fast);
  z-index: var(--z-dropdown);
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--mega-gray-700);
  border-radius: var(--radius-md);
}

.nav-dropdown-menu a:hover {
  background: var(--mega-orange-light);
  color: var(--mega-orange);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Search Icon Toggle */
.header-search-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.08);
  color: var(--mega-gray-300);
  border: 1px solid rgba(255,255,255,0.1);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.header-search-toggle:hover {
  background: var(--mega-orange);
  color: var(--mega-white);
  border-color: var(--mega-orange);
}

/* Full-screen Search Overlay */
.search-fullscreen-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.search-fullscreen-overlay.active {
  opacity: 1;
  visibility: visible;
}

.search-overlay-inner {
  width: 100%;
  max-width: 640px;
  padding: 0 var(--space-6);
  text-align: center;
}

.search-overlay-close {
  position: absolute;
  top: var(--space-8);
  right: var(--space-8);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-full);
  color: var(--mega-gray-300);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.search-overlay-close:hover {
  background: rgba(255,255,255,0.2);
  color: var(--mega-white);
}

.search-overlay-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.search-overlay-field {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: rgba(255,255,255,0.08);
  border: 2px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  transition: border-color var(--transition-fast);
}

.search-overlay-field:focus-within {
  border-color: var(--mega-orange);
}

.search-overlay-field svg {
  color: var(--mega-gray-400);
  flex-shrink: 0;
}

.search-overlay-input {
  flex: 1;
  border: none;
  background: transparent;
  font-family: var(--font-primary);
  font-size: var(--text-2xl);
  color: var(--mega-white);
  outline: none;
}

.search-overlay-input::placeholder {
  color: var(--mega-gray-500);
}

.search-overlay-btn {
  align-self: center;
  padding: var(--space-3) var(--space-10);
}

.search-overlay-hint {
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--mega-gray-600);
}

@media (max-width: 640px) {
  .search-overlay-close {
    top: var(--space-4);
    right: var(--space-4);
    width: 40px;
    height: 40px;
  }

  .search-overlay-input {
    font-size: var(--text-lg);
  }

  .search-overlay-field {
    padding: var(--space-4);
  }
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--mega-white);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

/* Desktop Dropdown: show on hover via opacity/visibility (already defined above) */

/* Mobile Dropdown Styles (only in mobile-open state) */
.main-nav.mobile-open .nav-dropdown.mobile-expanded .nav-dropdown-menu {
  display: flex !important;
  flex-direction: column;
  position: static;
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 0;
  opacity: 1;
  visibility: visible;
  transform: none;
  margin-top: var(--space-2);
}

.main-nav.mobile-open .nav-dropdown.mobile-expanded .dropdown-toggle {
  transform: rotate(180deg);
}

.main-nav.mobile-open .nav-dropdown.mobile-expanded .nav-dropdown-menu a {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  background: transparent;
}

.main-nav.mobile-open .nav-dropdown.mobile-expanded .nav-dropdown-menu a:hover {
  background: rgba(255, 165, 0, 0.1);
  color: var(--mega-orange);
}

@media (max-width: 1024px) {
  .main-nav { display: none; }
  .mobile-toggle { display: flex; }
  .top-bar-left { gap: var(--space-3); }
}

@media (max-width: 640px) {
  .top-bar { display: none; }
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--mega-black);
  color: var(--mega-gray-400);
  padding-top: var(--space-20);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-16);
  border-bottom: 1px solid var(--mega-dark-border);
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.footer-logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-extrabold);
  color: var(--mega-white);
}

.footer-logo-text span {
  color: var(--mega-orange);
}

.footer-brand p {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--mega-dark-card);
  border: 1px solid var(--mega-dark-border);
  border-radius: var(--radius-md);
  color: var(--mega-gray-400);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--mega-orange);
  border-color: var(--mega-orange);
  color: var(--mega-white);
  transform: translateY(-2px);
}

.footer-column h4 {
  color: var(--mega-white);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-6);
}

.footer-column ul li {
  margin-bottom: var(--space-3);
}

.footer-column ul li a {
  font-size: var(--text-sm);
  color: var(--mega-gray-500);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-column ul li a:hover {
  color: var(--mega-orange);
  transform: translateX(4px);
}

/* Footer Newsletter */
.footer-newsletter {
  margin-top: var(--space-6);
}

.footer-newsletter .newsletter-form {
  display: flex;
  gap: var(--space-2);
}

.footer-newsletter input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  background: var(--mega-dark-card);
  border: 1px solid var(--mega-dark-border);
  border-radius: var(--radius-md);
  color: var(--mega-white);
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  outline: none;
  transition: border-color var(--transition-fast);
}

.footer-newsletter input:focus {
  border-color: var(--mega-orange);
}

.footer-newsletter input::placeholder {
  color: var(--mega-gray-600);
}

.footer-newsletter button {
  padding: var(--space-3) var(--space-5);
  background: var(--mega-orange);
  color: var(--mega-white);
  border: none;
  border-radius: var(--radius-md);
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.footer-newsletter button:hover {
  background: var(--mega-orange-hover);
}

/* Footer Bottom */
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6) 0;
  font-size: var(--text-xs);
  color: var(--mega-gray-600);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-6);
}

.footer-bottom-links a {
  color: var(--mega-gray-600);
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: var(--mega-gray-300);
}

/* Footer Responsive */
@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}


/* ============================================
   MEGA CAT CTA Banner (Shared)
   ============================================ */
.mega-cat-banner {
  background: linear-gradient(135deg, var(--mega-orange) 0%, #1B3060 100%);
  border-radius: var(--radius-2xl);
  padding: var(--space-12) var(--space-16);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  margin: var(--space-8) 0;
  position: relative;
  overflow: hidden;
}

.mega-cat-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}

.mega-cat-banner::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: 10%;
  width: 300px;
  height: 300px;
  background: rgba(255,255,255,0.03);
  border-radius: 50%;
}

.mega-cat-banner .banner-content {
  position: relative;
  z-index: 2;
}

.mega-cat-banner h3 {
  color: var(--mega-white);
  font-size: var(--text-3xl);
  margin-bottom: var(--space-3);
}

.mega-cat-banner p {
  color: rgba(255,255,255,0.85);
  font-size: var(--text-lg);
  max-width: 500px;
}

.mega-cat-banner .banner-actions {
  position: relative;
  z-index: 2;
  display: flex;
  gap: var(--space-4);
}

@media (max-width: 768px) {
  .mega-cat-banner {
    flex-direction: column;
    padding: var(--space-8);
    text-align: center;
  }
  .mega-cat-banner .banner-actions {
    flex-direction: column;
    width: 100%;
  }
}

/* --- Breadcrumb --- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--mega-gray-500);
  padding: var(--space-4) 0;
}

.breadcrumb a {
  color: var(--mega-gray-500);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--mega-orange);
}

.breadcrumb .separator {
  color: var(--mega-gray-300);
}

.breadcrumb .current {
  color: var(--mega-gray-800);
  font-weight: var(--weight-medium);
}

/* --- Page Hero Banner --- */
.page-hero {
  background: linear-gradient(135deg, #0A0A0A 0%, #1A1A2E 100%);
  padding: var(--space-20) 0 var(--space-16);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(38, 64, 125, 0.08), transparent 70%);
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  color: var(--mega-white);
  margin-bottom: var(--space-4);
}

.page-hero p {
  color: var(--mega-gray-400);
  font-size: var(--text-lg);
  max-width: 600px;
}

.page-hero .breadcrumb {
  margin-bottom: var(--space-6);
}

.page-hero .breadcrumb a,
.page-hero .breadcrumb .separator {
  color: var(--mega-gray-500);
}

.page-hero .breadcrumb .current {
  color: var(--mega-white);
}