/* ===== ATC-Style Navbar Clone ===== */

:root {
  --nav-height: 72px;
  --nav-radius: 9999px;
  --nav-bg: rgba(255, 255, 255, 0.98);
  --nav-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  --nav-shadow-scrolled: 0 12px 32px rgba(0, 0, 0, 0.12);
  --link-color: #111827;
  --link-hover: #0f172a;
  --link-active: #3b82f6;
  --transition: all 0.28s ease;
  --dropdown-bg: rgba(255, 255, 255, 0.98);
  --dropdown-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
}

/* Reset and base styles */
.atc-navbar * {
  box-sizing: border-box;
}

/* Main navbar container */
.atc-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  padding: 16px 24px;
  transition: var(--transition);
}

.atc-navbar-container {
  max-width: 1280px;
  margin: 0 auto;
  background: var(--nav-bg);
  border-radius: var(--nav-radius);
  box-shadow: var(--nav-shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0 32px;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
  transform: scale(1);
}

.atc-navbar-container:hover {
  transform: scale(1.15);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
}

.atc-navbar.scrolled .atc-navbar-container {
  box-shadow: var(--nav-shadow-scrolled);
}

/* Logo */
.atc-navbar-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: var(--transition);
}

.atc-navbar-logo img {
  height: 40px;
  width: auto;
  transition: var(--transition);
}

.atc-navbar-logo:hover img {
  transform: scale(1.05);
}

/* Main navigation */
.atc-navbar-nav {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 32px;
}

.atc-navbar-nav > li {
  position: relative;
}

.atc-navbar-nav > li > a {
  color: var(--link-color);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  letter-spacing: -0.01em;
  padding: 8px 0;
  position: relative;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 4px;
}

.atc-navbar-nav > li > a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--link-active);
  transition: width 0.3s ease;
}

.atc-navbar-nav > li > a:hover {
  color: var(--link-hover);
}

.atc-navbar-nav > li > a:hover::after {
  width: 100%;
}

/* Dropdown styles */
.atc-navbar-nav .has-dropdown > a .chevron {
  width: 16px;
  height: 16px;
  fill: currentColor;
  transition: transform 0.2s ease;
}

.atc-navbar-nav .has-dropdown.open > a .chevron {
  transform: rotate(180deg);
}

.atc-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  min-width: 220px;
  background: var(--dropdown-bg);
  border-radius: 16px;
  box-shadow: var(--dropdown-shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s ease;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.atc-navbar-nav .has-dropdown.open .atc-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.atc-dropdown a {
  display: block;
  color: var(--link-color);
  text-decoration: none;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 400;
  transition: var(--transition);
  border-radius: 8px;
  margin: 0 8px;
}

.atc-dropdown a:hover {
  background: rgba(59, 130, 246, 0.08);
  color: var(--link-active);
}

/* Right side items */
.atc-navbar-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

.atc-navbar-lang {
  color: var(--link-color);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  padding: 8px 12px;
  border-radius: 20px;
  transition: var(--transition);
  border: 1px solid rgba(17, 24, 39, 0.1);
}

.atc-navbar-lang:hover {
  background: rgba(17, 24, 39, 0.05);
  color: var(--link-hover);
  text-decoration: none;
}

.atc-navbar-search {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid rgba(17, 24, 39, 0.1);
  color: var(--link-color);
  cursor: pointer;
  transition: var(--transition);
}

.atc-navbar-search:hover {
  background: rgba(17, 24, 39, 0.05);
  color: var(--link-hover);
}

.atc-navbar-search svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Mobile hamburger */
.atc-navbar-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

.atc-navbar-hamburger span {
  display: block;
  height: 2px;
  width: 20px;
  background: var(--link-color);
  margin: 3px 0;
  transition: var(--transition);
  transform-origin: center;
}

.atc-navbar-hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.atc-navbar-hamburger.active span:nth-child(2) {
  opacity: 0;
}

.atc-navbar-hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile menu */
.atc-navbar-mobile {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9998;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  pointer-events: none;
}

.atc-navbar-mobile.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.atc-navbar-mobile-content {
  position: absolute;
  top: calc(var(--nav-height) + 16px);
  left: 16px;
  right: 16px;
  max-height: 65vh;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: 0;
  transform: translateY(-20px);
  transition: all 0.3s ease;
  overflow-y: auto;
  overflow-x: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.atc-navbar-mobile.active .atc-navbar-mobile-content {
  transform: translateY(0);
}

.atc-navbar-mobile-nav {
  list-style: none;
  padding: 20px 0;
  margin: 0;
}

.atc-navbar-mobile-nav li {
  margin-bottom: 0;
  border-bottom: 1px solid #eee;
  transition: all 0.3s ease;
}

.atc-navbar-mobile-nav li:last-child {
  border-bottom: none;
}

.atc-navbar-mobile-nav li:hover {
  background: rgba(248, 250, 252, 0.8);
}

.atc-navbar-mobile-nav a {
  display: block;
  color: var(--link-color);
  text-decoration: none;
  padding: 16px 24px;
  font-weight: 500;
  font-size: 16px;
  border-bottom: none;
  transition: var(--transition);
  position: relative;
}

.atc-navbar-mobile-nav a:hover {
  color: var(--link-active);
}

/* Sub-menu items styling */
.atc-navbar-mobile-nav .sub-item {
  border-bottom: 1px solid #f1f5f9;
}

.atc-navbar-mobile-nav .sub-item a {
  padding: 12px 24px 12px 48px;
  font-size: 14px;
  font-weight: 400;
  color: #64748b;
  position: relative;
}

.atc-navbar-mobile-nav .sub-item a::before {
  content: '•';
  position: absolute;
  left: 32px;
  color: var(--link-active);
  font-weight: bold;
}

.atc-navbar-mobile-nav .sub-item:hover {
  background: rgba(59, 130, 246, 0.05);
}

.atc-navbar-mobile-nav .sub-item a:hover {
  color: var(--link-active);
}

/* Hide dropdown elements in mobile - not used in flat list */
@media (max-width: 991px) {
  .atc-navbar-mobile-nav .has-dropdown > a .chevron,
  .atc-navbar-mobile-nav .mobile-dropdown {
    display: none;
  }
}

.atc-navbar-mobile-actions {
  margin: 20px 24px 20px 24px;
  padding-top: 20px;
  border-top: 1px solid #eee;
  display: flex;
  justify-content: center;
  gap: 20px;
}

.atc-navbar-mobile-actions .atc-navbar-lang {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--link-active);
  padding: 12px 20px;
  border-radius: 20px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.atc-navbar-mobile-actions .atc-navbar-lang:hover {
  background: rgba(59, 130, 246, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.2);
}

.atc-navbar-mobile-actions .atc-navbar-search {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.3);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.atc-navbar-mobile-actions .atc-navbar-search:hover {
  background: rgba(255, 255, 255, 1);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Responsive breakpoints */
@media (max-width: 1199px) {
  .atc-navbar-nav {
    gap: 24px;
  }
  
  .atc-navbar-container {
    padding: 0 24px;
  }
}

@media (max-width: 991px) {
  .atc-navbar-nav,
  .atc-navbar-actions {
    display: none;
  }
  
  .atc-navbar-hamburger {
    display: flex;
  }
  
  .atc-navbar-container {
    padding: 0 20px;
  }
}

@media (max-width: 767px) {
  .atc-navbar {
    padding: 12px 16px;
  }
  
  .atc-navbar-container {
    padding: 0 16px;
    height: 60px;
  }
  
  .atc-navbar-logo img {
    height: 32px;
  }
  
  .atc-navbar-mobile-content {
    width: calc(100% - 24px);
    margin: 0 12px;
  }
}

/* Body scroll lock for mobile panel */
body.atc-nav-open {
  overflow: hidden;
}

/* Background integration fix */
body {
  padding-top: 0;
}

.atc-navbar + section,
.atc-navbar + .hero-section {
  margin-top: 0;
  padding-top: 0;
}

/* Ensure full background coverage */
html, body {
  margin: 0;
  padding: 0;
}

/* Performance optimizations */
@media (prefers-reduced-motion: reduce) {
  .atc-navbar *,
  .atc-navbar *::before,
  .atc-navbar *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}