
    /* Top spacing for fixed header */
    .travel-tour-details {
      padding-top: 140px;
    }

    /* Modern Sticky Navigation - Floating Card Style */
    .tour-navigation-sticky {
      position: fixed;
      top: 20px;
      left: 0;
      right: 0;
      z-index: 1000;
      padding: 0 20px;
      width: 100%;
      opacity: 0;
      transform: translateY(-30px);
      pointer-events: none;
      transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .tour-navigation-sticky.visible {
      opacity: 1;
      transform: translateY(0);
      pointer-events: auto;
    }

    .tour-navigation-sticky .container {
      max-width: 900px;
      margin: 0 auto;
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.98) 100%);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-radius: 50px;
      padding: 8px 12px;
      box-shadow:
        0 4px 24px rgba(0, 0, 0, 0.08),
        0 1px 2px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
      border: 1px solid rgba(255, 255, 255, 0.6);
    }

    .nav-wrapper {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 8px;
    }

    .nav-links {
      display: flex;
      gap: 4px;
      flex: 1;
      justify-content: center;
    }

    .nav-link {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 10px 18px;
      text-decoration: none;
      color: #64748b;
      background: transparent;
      border-radius: 25px;
      font-weight: 500;
      font-size: 13px;
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
      white-space: nowrap;
      position: relative;
      overflow: hidden;
    }

    .nav-link::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, #11a4fd 0%, #0d8bd9 100%);
      opacity: 0;
      transition: opacity 0.25s ease;
      border-radius: 25px;
      z-index: -1;
    }

    .nav-link:hover {
      color: #11a4fd;
      background: rgba(17, 164, 253, 0.08);
      text-decoration: none;
      transform: translateY(-1px);
    }

    .nav-link.active {
      color: #ffffff;
      background: transparent;
      font-weight: 600;
      box-shadow: 0 4px 12px rgba(17, 164, 253, 0.35);
    }

    .nav-link.active::before {
      opacity: 1;
    }

    .nav-link i {
      font-size: 15px;
      transition: transform 0.2s ease;
    }

    .nav-link:hover i {
      transform: scale(1.1);
    }

    .nav-cta .btn {
      padding: 10px 22px;
      font-size: 13px;
      font-weight: 600;
      border-radius: 25px;
      display: flex;
      align-items: center;
      gap: 6px;
      white-space: nowrap;
      background: linear-gradient(135deg, #11a4fd 0%, #0d8bd9 100%);
      border: none;
      color: white;
      box-shadow: 0 4px 14px rgba(17, 164, 253, 0.4);
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .nav-cta .btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(17, 164, 253, 0.5);
      background: linear-gradient(135deg, #0d8bd9 0%, #0a7bc4 100%);
    }

    /* Mobile Responsive */
    @media (max-width: 768px) {
      .tour-navigation-sticky {
        top: 10px;
        padding: 0 12px;
      }

      .tour-navigation-sticky .container {
        padding: 6px 8px;
        border-radius: 40px;
      }

      .nav-links {
        gap: 2px;
      }

      .nav-link {
        padding: 10px 12px;
        font-size: 12px;
      }

      .nav-link span {
        display: none;
      }

      .nav-link i {
        font-size: 18px;
      }

      .nav-cta {
        display: none;
      }
    }

    @media (max-width: 480px) {
      .tour-navigation-sticky .container {
        padding: 5px 6px;
      }

      .nav-link {
        padding: 8px 10px;
      }

      .nav-links {
        gap: 5px;
      }

      .nav-link {
        padding: 8px 10px;
      }
    }


    /* Popup Alert Styles */
    .popup-alert-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.6);
      display: none;
      justify-content: center;
      align-items: center;
      z-index: 10000;
    }

    .popup-alert-content {
      background: white;
      border-radius: 12px;
      padding: 30px;
      max-width: 400px;
      width: 90%;
      text-align: center;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
      animation: popupFadeIn 0.3s ease-out;
    }

    @keyframes popupFadeIn {
      from {
        opacity: 0;
        transform: translateY(-30px);
      }

      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .popup-alert-icon {
      font-size: 48px;
      margin-bottom: 15px;
    }

    .popup-alert-icon.error {
      color: #dc3545;
    }

    .popup-alert-icon.warning {
      color: #ffc107;
    }

    .popup-alert-icon.success {
      color: #11a4fd;
    }

    .popup-alert-button {
      background: #11a4fd;
      color: white;
      border: none;
      padding: 12px 24px;
      border-radius: 6px;
      cursor: pointer;
      font-size: 16px;
      transition: background 0.2s ease;
    }

    .popup-alert-button:hover {
      background: #11a4fd;
    }

    .popup-alert-button.error {
      background: #dc3545;
    }

    .popup-alert-button.error:hover {
      background: #c82333;
    }

    .popup-alert-button.warning {
      background: #ffc107;
      color: #333;
    }

    .popup-alert-button.warning:hover {
      background: #e0a800;
    }

    .popup-alert-button.success {
      background: #11a4fd;
      color: white;
    }

    .popup-alert-button.success:hover {
      background: #11a4fd;
    }

    /* Gallery Blog Styles */
    .gallery-blog .hover-card {
      position: relative;
      overflow: hidden;
      border-radius: 12px;
      width: 100%;
      height: 300px;
    }

    .gallery-blog .hover-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .gallery-blog .hover-card:hover img {
      transform: scale(1.1);
    }

    .gallery-blog .hover-overlay {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0, 0, 0, 0.4);
      color: #fff;
      opacity: 0;
      transition: opacity 0.3s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      text-align: center;
      padding: 15px;
    }

    .gallery-blog .hover-card:hover .hover-overlay {
      opacity: 1;
    }

    .gallery-blog .hover-text {
      color: #fff;
      font-size: 18px;
      font-weight: 400;
      margin-bottom: 10px;
    }

    .gallery-blog .hover-overlay .btn {
      opacity: 0;
      transform: translateY(10px);
      transition: all 0.3s ease;
    }

    .gallery-blog .hover-card:hover .hover-overlay .btn {
      opacity: 1;
      transform: translateY(0);
    }

    /* Toast Styles */
    .toast-alert {
      position: fixed;
      top: 20px;
      right: 20px;
      background: #fff;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
      padding: 16px;
      margin-bottom: 10px;
      opacity: 0;
      transform: translateX(100%);
      transition: all 0.3s ease;
      z-index: 10000;
      max-width: 300px;
    }

    .toast-alert.toast-show {
      opacity: 1;
      transform: translateX(0);
    }

    .toast-content {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .toast-icon {
      font-size: 18px;
    }

    .toast-message {
      flex: 1;
      font-size: 14px;
      line-height: 1.4;
    }

    .toast-warning {
      border-left: 4px solid #f59e0b;
    }

    .toast-error {
      border-left: 4px solid #ef4444;
    }

    .toast-success {
      border-left: 4px solid #10b981;
    }

    .toast-info {
      border-left: 4px solid #11a4fd;
    }

    /* Package Styles */
    .pkg-hidden {
      display: none !important;
    }

    .pkg-fade-in {
      animation: fadeIn 0.5s ease-in;
    }

    @keyframes fadeIn {
      from {
        opacity: 0;
        transform: translateY(20px);
      }

      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .pkg-group-option {
      border: 2px solid #e5e7eb;
      border-radius: 8px;
      padding: 20px;
      text-align: center;
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .pkg-group-option:hover,
    .pkg-group-option:focus {
      border-color: #11a4fd;
      background-color: #f8fafc;
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
    }

    .pkg-qty-box {
      display: flex;
      align-items: center;
      border: 1px solid #d1d5db;
      border-radius: 6px;
      overflow: hidden;
    }

    .pkg-qty-box button {
      background: #f3f4f6;
      border: none;
      padding: 8px 12px;
      cursor: pointer;
      transition: background 0.2s;
    }

    .pkg-qty-box button:hover:not(:disabled) {
      background: #e5e7eb;
    }

    .pkg-qty-box button:disabled {
      background: #f9fafb;
      color: #9ca3af;
      cursor: not-allowed;
    }

    .pkg-qty-box span {
      padding: 8px 16px;
      min-width: 50px;
      text-align: center;
      background: white;
    }

    .pkg-price-box {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px;
      background: #f8fafc;
      border-radius: 8px;
      border: 1px solid #e2e8f0;
    }

    .pkg-total {
      font-size: 1.5rem;
      font-weight: bold;
      color: #1f2937;
    }

    .pkg-btn-yellow {
      background: #fbbf24;
      border: none;
      color: #1f2937;
      font-weight: 600;
    }

    .pkg-btn-yellow:hover {
      background: #f59e0b;
      color: #1f2937;
    }

    .pkg-btn-blue {
      background: #11a4fd;
      border: none;
      color: white;
      font-weight: 600;
    }

    .pkg-btn-blue:hover {
      background: #11a4fd;
      color: white;
    }

    .pkg-text-orange {
      color: #f59e0b;
      font-size: 0.875rem;
    }

    .gallery-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1rem;
    }


    /* Header hide/show animation */
    header,
    .header,
    .navbar,
    .main-header {
      transition: transform 0.3s ease, opacity 0.3s ease;
    }

    header.header-hidden,
    .header.header-hidden,
    .navbar.header-hidden,
    .main-header.header-hidden {
      transform: translateY(-100%);
      opacity: 0;
      pointer-events: none;
    }

    /* Ensure sticky nav stays at top when header is hidden */
    .tour-navigation-sticky {
      position: sticky;
      top: 0;
      z-index: 1000;
    }
