/* Responsive Navbar Styles */

/* Header Base */
.responsive-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: white;
  border-bottom: 1px solid #e5e7eb;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.responsive-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* Top Bar - Contact Info */
.top-bar {
  border-bottom: 1px solid #e5e7eb;
  background: #f8fafc;
  padding: 0.5rem 0;
}

.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: #6b7280;
}

.contact-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.contact-item i {
  color: #2563eb;
  width: 16px;
}

/* Main Navigation Container */
.nav-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5rem; /* 80px */
  padding: 0 1rem;
  transition: height 0.3s ease;
}

.responsive-header.scrolled .nav-container {
  height: 4rem; /* 64px when scrolled */
}

/* Logo Section */
.logo-section {
  display: flex;
  align-items: center;
  transition: transform 0.3s ease;
}

.logo-section a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.responsive-header.scrolled .logo-section {
  transform: scale(0.9);
}

.logo-image {
  height: 3rem; /* 48px */
  width: auto;
  transition: height 0.3s ease;
}

.responsive-header.scrolled .logo-image {
  height: 2.5rem; /* 40px when scrolled */
}

.logo-text h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #111827;
  margin: 0;
  line-height: 1.2;
  transition: font-size 0.3s ease;
}

.responsive-header.scrolled .logo-text h1 {
  font-size: 1.125rem;
}

.logo-text p {
  font-size: 0.875rem;
  color: #6b7280;
  margin: 0;
  line-height: 1.2;
  transition: font-size 0.3s ease;
}

.responsive-header.scrolled .logo-text p {
  font-size: 0.75rem;
}

/* Desktop Navigation */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-item {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #374151;
  text-decoration: none;
  border-radius: 0.5rem;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-item:hover {
  color: #2563eb;
  background-color: #eff6ff;
}

.nav-item.active {
  color: #2563eb;
  background-color: #eff6ff;
}

.nav-item svg {
  width: 1rem;
  height: 1rem;
  margin-left: 0.25rem;
  transition: transform 0.2s ease;
}

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

.dropdown-button {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.dropdown-button.open svg {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 50;
  min-width: 16rem;
  margin-top: 0.5rem;
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  opacity: 0;
  transform: translateY(-10px);
  transition: all 0.2s ease;
  pointer-events: none;
}

.dropdown-menu.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.dropdown-item {
  display: block;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  color: #374151;
  text-decoration: none;
  transition: all 0.2s ease;
  border-bottom: 1px solid #f3f4f6;
}

.dropdown-item:last-child {
  border-bottom: none;
}

.dropdown-item:hover {
  background-color: #eff6ff;
  color: #2563eb;
}

.dropdown-item i {
  margin-right: 0.75rem;
  width: 1rem;
}

/* Mobile Menu Button */
.mobile-menu-button {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  color: #374151;
  background: transparent;
  border: none;
  border-radius: 0.375rem;
  transition: all 0.2s ease;
  cursor: pointer;
}

.mobile-menu-button:hover {
  color: #2563eb;
  background-color: #f3f4f6;
}

.mobile-menu-button svg {
  width: 1.5rem;
  height: 1.5rem;
}

/* Mobile Menu Panel */
.mobile-menu {
  position: fixed;
  top: 80px; /* Default height */
  left: 0;
  right: 0;
  z-index: 50;
  background: white;
  border-top: 1px solid #e5e7eb;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  max-height: 0;
  overflow: hidden;
  transition:
    max-height 0.3s ease,
    opacity 0.3s ease,
    top 0.3s ease;
  opacity: 0;
}

.mobile-menu.open {
  max-height: 600px;
  opacity: 1;
}

.mobile-menu-content {
  padding: 1rem;
}

.mobile-nav-item {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 0.75rem;
  margin-bottom: 0.25rem;
  font-weight: 500;
  color: #374151;
  text-decoration: none;
  background: transparent;
  border: none;
  border-radius: 0.5rem;
  transition: all 0.2s ease;
  cursor: pointer;
}

.mobile-nav-item:hover {
  background-color: #f3f4f6;
  color: #2563eb;
}

.mobile-nav-item.active {
  color: #2563eb;
  background-color: #eff6ff;
  font-weight: 600;
}

/* Mobile Submenu */
.mobile-submenu {
  margin-left: 1rem;
  margin-top: 0.5rem;
  padding-left: 1rem;
  border-left: 2px solid #e5e7eb;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.mobile-submenu.open {
  max-height: 24rem;
}

.mobile-submenu-item {
  display: flex;
  align-items: center;
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.25rem;
  font-size: 0.875rem;
  color: #6b7280;
  text-decoration: none;
  border-radius: 0.375rem;
  transition: all 0.2s ease;
}

.mobile-submenu-item:hover {
  background-color: #f3f4f6;
  color: #374151;
}

.mobile-submenu-item i {
  margin-right: 0.75rem;
  width: 1rem;
}

/* Responsive Behavior */
@media (max-width: 1023px) {
  .desktop-nav {
    display: none;
  }

  .mobile-menu-button {
    display: flex;
  }
}

@media (min-width: 1024px) {
  .mobile-menu-button {
    display: none;
  }

  .mobile-menu {
    display: none !important;
  }
}

@media (max-width: 767px) {
  .top-bar {
    display: none;
  }

  .nav-container {
    padding: 0 0.75rem;
    height: 4rem;
  }

  .logo-text h1 {
    font-size: 1rem;
  }

  .logo-text p {
    font-size: 0.75rem;
  }

  .logo-image {
    height: 2.5rem;
  }

  .contact-info {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0 0.5rem;
  }

  .logo-image {
    height: 2rem;
  }

  .logo-text h1 {
    font-size: 0.875rem;
  }

  .logo-text p {
    font-size: 0.625rem;
    line-height: 1.1;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  .responsive-header,
  .nav-container,
  .logo-section,
  .mobile-menu,
  .dropdown-menu {
    transition: none;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .responsive-header {
    border-bottom: 2px solid #000;
  }

  .nav-item:hover,
  .nav-item.active {
    background-color: #000;
    color: #fff;
  }
}