
        /* Loading Animation */
        .loader {
            position: sticky;
            top: 84px;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
            z-index: 9999;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 1;
            transition: all 0.5s ease;
        }

        .loader.fade-out {
            opacity: 0;
            pointer-events: none;
        }

        .loader-content {
            text-align: center;
            color: white;
        }

        .loader-spinner {
            width: 60px;
            height: 60px;
            border: 4px solid rgba(255, 255, 255, 0.3);
            border-top: 4px solid white;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin: 0 auto 1rem;
        }

        @keyframes spin {
            0% {
                transform: rotate(0deg);
            }

            100% {
                transform: rotate(360deg);
            }
        }

        /* Floating Elements */
        .floating-shapes {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: -1;
        }

        .shape {
            position: absolute;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(16, 185, 129, 0.1));
            border-radius: 50%;
            animation: float 6s ease-in-out infinite;
        }

        .shape:nth-child(1) {
            width: 100px;
            height: 100px;
            top: 20%;
            left: 10%;
            animation-delay: 0s;
        }

        .shape:nth-child(2) {
            width: 150px;
            height: 150px;
            top: 60%;
            right: 10%;
            animation-delay: 2s;
        }

        .shape:nth-child(3) {
            width: 80px;
            height: 80px;
            top: 80%;
            left: 20%;
            animation-delay: 4s;
        }

        @keyframes float {

            0%,
            100% {
                transform: translateY(0) rotate(0deg);
            }

            50% {
                transform: translateY(-20px) rotate(180deg);
            }
        }

        /* Header */
        header {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 50%, #1e40af 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-lg);
            backdrop-filter: blur(10px);
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .logo {
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary-color);
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
            position: relative;
        }

        .logo::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
            border-radius: 2px;
            animation: glow 2s ease-in-out infinite alternate;
        }

        @keyframes glow {
            from {
                opacity: 0.7;
                transform: scaleX(0.8);
            }

            to {
                opacity: 1;
                transform: scaleX(1);
            }
        }

        .contact-info {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.5rem 1rem;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50px;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }

        .contact-item:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        /* Navigation */
        nav {
            /* background: rgba(29, 78, 216, 0.95);*/
            background: rgba(0, 0, 0, 0.95);

            padding: 0.8rem 0;
            backdrop-filter: blur(15px);
        }

        .nav-links {
            display: flex;
            justify-content: center;
            list-style: none;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .nav-links a {
            color: white;
            text-decoration: none;
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            font-weight: 500;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }

        .nav-links a::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.5s;
        }

        .nav-links a:hover::before {
            left: 100%;
        }

        .nav-links a:hover {
            background: var(--secondary-color);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(245, 158, 11, 0.3);
        }

        /* Hero Section */
        .hero {
         margin-top: 350px;
          background: 
            linear-gradient(
                135deg, 
                rgba(20, 20, 20, 0.95) 0%,       /* ดำเข้ม */
                rgba(60, 60, 60, 0.85) 50%,      /* เทากลาง */
                rgba(255, 215, 0, 0.25) 100%     /* เหลืองทองอ่อน */
            ),
            radial-gradient(
                circle at 30% 20%, 
                rgba(255, 215, 0, 0.3) 0%,       /* จุดไฮไลท์เหลือง */
                transparent 50%
            ),
            radial-gradient(
                circle at 70% 80%, 
                rgba(100, 100, 100, 0.4) 0%,     /* วงเทา */
                transparent 50%
            )
            ,
                url('https://images.unsplash.com/photo-1590736969955-11bb06d87a5d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
            padding: 8rem 0;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cg fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='m36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
            animation: float 20s ease-in-out infinite;
        }

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

        .hero h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            margin-bottom: 1.5rem;
            font-weight: 700;
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
            opacity: 0;
            animation: slideInUp 1s ease 0.5s forwards;
        }

        .hero p {
            font-size: clamp(1.1rem, 2.5vw, 1.3rem);
            margin-bottom: 3rem;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
            font-weight: 400;
            line-height: 1.8;
            opacity: 0;
            animation: slideInUp 1s ease 0.7s forwards;
        }

        .cta-button {
            display: inline-block;
            background: linear-gradient(135deg, var(--secondary-color), #f97316);
            color: white;
            padding: 1.2rem 3rem;
            font-size: 1.1rem;
            font-weight: 600;
            text-decoration: none;
            border-radius: 50px;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 10px 30px rgba(245, 158, 11, 0.4);
            position: relative;
            overflow: hidden;
            opacity: 0;
            animation: slideInUp 1s ease 0.9s forwards;
        }

        .cta-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transition: left 0.6s;
        }

        .cta-button:hover::before {
            left: 100%;
        }

        .cta-button:hover {
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 20px 40px rgba(245, 158, 11, 0.6);
        }

        .cta-button-blue {
            display: inline-block;
            background: linear-gradient(135deg, #2458fb, #165ef9ff);
            color: white;
            padding: 1.2rem 3rem;
            font-size: 1.1rem;
            font-weight: 600;
            text-decoration: none;
            border-radius: 50px;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 10px 30px rgba(11, 62, 245, 0.4);
            position: relative;
            overflow: hidden;
            opacity: 0;
            animation: slideInUp 1s ease 0.9s forwards;
        }

        .cta-button-blue::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transition: left 0.6s;
        }

        .cta-button-blue:hover::before {
            left: 100%;
        }

        .cta-button-blue:hover {
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 20px 40px rgba(245, 158, 11, 0.6);
            color: white !important;
            text-decoration: underline;
        }

        .cta-button-green {
            display: inline-block;
            background: linear-gradient(135deg, #24fb86, #05bd27ff);
            color: white;
            padding: 1.2rem 3rem;
            font-size: 1.1rem;
            font-weight: 600;
            text-decoration: none;
            border-radius: 50px;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 10px 30px rgba(245, 158, 11, 0.4);
            position: relative;
            overflow: hidden;
            opacity: 0;
            animation: slideInUp 1s ease 0.9s forwards;
        }

        .cta-button-green::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transition: left 0.6s;
        }

        .cta-button-green:hover::before {
            left: 100%;
        }

        .cta-button-green:hover {
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 20px 40px rgba(245, 158, 11, 0.6);
        }

        @keyframes slideInUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Features Section */
        .features {
            padding: 6rem 0;
            background: linear-gradient(135deg, var(--bg-light) 0%, #f1f5f9 100%);
            position: relative;
        }

        .features h2 {
            text-align: center;
            margin-bottom: 4rem;
            font-size: clamp(2rem, 4vw, 3rem);
            color: var(--primary-color);
            font-weight: 700;
            position: relative;
        }

        .features h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
            border-radius: 2px;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2.5rem;
        }

        .feature-card {
            background: var(--bg-white);
            padding: 3rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-md);
            text-align: center;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(37, 99, 235, 0.1);
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
        }

        .feature-card:hover {
            transform: translateY(-10px) scale(1.02);
            box-shadow: var(--shadow-lg);
        }

        .feature-icon {
            font-size: 4rem;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.1));
        }

        .feature-card h3 {
            color: var(--primary-color);
            margin-bottom: 1rem;
            font-size: 1.5rem;
            font-weight: 600;
        }

        .feature-card p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
        }

        /* Services Section */
        .services {
            padding: 6rem 0;
            background: var(--bg-white);
        }

        .services h2 {
            text-align: center;
            margin-bottom: 4rem;
            font-size: clamp(2rem, 4vw, 3rem);
            color: var(--primary-color);
            font-weight: 700;
            position: relative;
        }

        .services h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
            border-radius: 2px;
        }

        .service-item {
            background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
            margin-bottom: 2.5rem;
            padding: 3rem;
            border-radius: var(--border-radius);
            border-left: 6px solid var(--secondary-color);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: visible;
        }

        .service-item::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 100px;
            height: 100px;
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(16, 185, 129, 0.1));
            border-radius: 50%;
            transform: translate(50%, -50%);
        }

        .service-item:hover {
            transform: translateX(15px);
            box-shadow: var(--shadow-lg);
            border-left-color: var(--accent-color);
        }

        .service-item h3 {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            font-size: 1.8rem;
            font-weight: 600;
        }

        .price-highlight {
            background: linear-gradient(135deg, #fef3c7, #fde68a);
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            display: inline-block;
            margin: 0.8rem 0;
            font-weight: 600;
            color: #92400e;
            box-shadow: 0 4px 15px rgba(252, 211, 77, 0.3);
            border: 1px solid #fcd34d;
        }

        .service-features {
            background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(37, 99, 235, 0.1));
            padding: 2rem;
            border-radius: var(--border-radius);
            margin-top: 2rem;
            border: 1px solid rgba(16, 185, 129, 0.2);
        }

        .service-features h3 {
            color: var(--accent-color);
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
        }

        .service-features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
        }

        .service-features-grid div {
            padding: 0.8rem;
            background: rgba(255, 255, 255, 0.7);
            border-radius: 12px;
            font-weight: 500;
        }

        /* Travel Guide Section */
        .travel-guide {
            padding: 6rem 0;
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
        }

        .travel-guide h2 {
            text-align: center;
            margin-bottom: 2rem;
            font-size: clamp(2rem, 4vw, 3rem);
            color: var(--primary-color);
            font-weight: 700;
        }

        .travel-guide h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
            border-radius: 2px;
        }

        .travel-intro {
            text-align: center;
            margin-bottom: 4rem;
            font-size: 1.2rem;
            color: var(--text-secondary);
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .attractions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
            gap: 2.5rem;
        }

        .attraction-card {
            background: var(--bg-white);
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
        }

        .attraction-card:hover {
            transform: translateY(-8px) scale(1.02);
            box-shadow: var(--shadow-lg);
        }

        .attraction-image {
            height: 220px;
            background: linear-gradient(135deg, #e5e7eb, #d1d5db);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 1.3rem;
            font-weight: 600;
            position: relative;
            overflow: hidden;
        }

        .attraction-image::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transition: left 0.8s;
        }

        .attraction-card:hover .attraction-image::before {
            left: 100%;
        }

        .attraction-content {
            padding: 2rem;
        }

        .attraction-card h3 {
            color: var(--primary-color);
            margin-bottom: 1rem;
            font-size: 1.4rem;
            font-weight: 600;
        }

        .attraction-card p {
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1rem;
        }

        .attraction-hours {
            background: linear-gradient(135deg, #ecfdf5, #d1fae5);
            color: #065f46;
            padding: 0.6rem 1.2rem;
            border-radius: 50px;
            display: inline-block;
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid #a7f3d0;
        }

         .attraction-page {
            background: linear-gradient(135deg, #ecfdf5, #d1fae5);
            color: #0217f8;
            padding: 0.6rem 1.2rem;
            border-radius: 50px;
            display: inline-block;
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid #a7f3d0;
        }

        /* Tour Packages */
        .tour-packages {
            padding: 6rem 0;
            background: var(--bg-white);
        }

        .tour-packages h2 {
            text-align: center;
            margin-bottom: 4rem;
            font-size: clamp(2rem, 4vw, 3rem);
            color: var(--primary-color);
            font-weight: 700;
            position: relative;
        }

        .tour-packages h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
            border-radius: 2px;
        }

        .package-card {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 50%, #1e40af 100%);
            color: white;
            padding: 4rem;
            border-radius: 24px;
            margin-bottom: 3rem;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .package-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.2) 0%, transparent 50%);
            border-radius: 50%;
        }

        .package-card::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -30%;
            width: 150px;
            height: 150px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.2) 0%, transparent 50%);
            border-radius: 50%;
        }

        .package-header {
            text-align: center;
            margin-bottom: 3rem;
            position: relative;
            z-index: 2;
        }

        .package-title {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            margin-bottom: 1.5rem;
            color: var(--secondary-color);
            font-weight: 700;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }

        .package-price {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(16, 185, 129, 0.2));
            padding: 1.5rem 3rem;
            border-radius: 50px;
            display: inline-block;
            border: 2px solid rgba(245, 158, 11, 0.3);
            backdrop-filter: blur(10px);
        }

        .package-details {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2.5rem;
            margin-top: 3rem;
            position: relative;
            z-index: 2;
        }

        .package-features {
            background: rgba(255, 255, 255, 0.15);
            padding: 2rem;
            border-radius: var(--border-radius);
            backdrop-filter: blur(15px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .package-features h4 {
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
            font-weight: 600;
        }

        .package-features ul {
            list-style: none;
        }

        .package-features li {
            padding: 0.5rem 0;
            position: relative;
            padding-left: 2rem;
            line-height: 1.6;
        }

        .package-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--secondary-color);
            font-weight: 700;
            font-size: 1.2rem;
        }

        /* Contact Section */
        .contact {
            padding: 6rem 0;
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
            color: white;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .contact::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40' viewBox='0 0 40 40'%3E%3Cg fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M20 20c0-5.5-4.5-10-10-10s-10 4.5-10 10 4.5 10 10 10 10-4.5 10-10zm10 0c0-5.5-4.5-10-10-10s-10 4.5-10 10 4.5 10 10 10 10-4.5 10-10z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
            animation: float 25s ease-in-out infinite;
        }

        .contact h2 {
            margin-bottom: 2rem;
            font-size: clamp(2rem, 4vw, 3rem);
            color: var(--secondary-color);
            font-weight: 700;
            position: relative;
            z-index: 2;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2.5rem;
            margin-bottom: 3rem;
            position: relative;
            z-index: 2;
        }

        .contact-item {
            background: rgba(255, 255, 255, 0.15);
            padding: 2.5rem;
            border-radius: var(--border-radius);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            backdrop-filter: blur(15px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .contact-item:hover {
            background: rgba(255, 255, 255, 0.25);
            transform: translateY(-8px) scale(1.05);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
        }

        .contact-icon {
            font-size: 3rem;
            margin-bottom: 1.5rem;
            color: var(--secondary-color);
            filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.3));
        }

        .contact-item h3 {
            font-size: 1.4rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }

        .contact-item p {
            font-size: 1.1rem;
            opacity: 0.9;
            line-height: 1.6;
        }

        /* Footer */
        footer {
            background: linear-gradient(135deg, #111827, #1f2937);
            color: white;
            padding: 3rem 0 2rem;
            position: relative;
        }

        .footer-content {
            margin-bottom: 2rem;
            text-align: center;
        }

        .footer-content h3 {
            color: var(--secondary-color);
            margin-bottom: 1rem;
            font-size: 1.8rem;
            font-weight: 600;
        }

        .footer-content p {
            font-size: 1.1rem;
            opacity: 0.8;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin: 2rem 0;
        }

        .social-links a {
            color: var(--secondary-color);
            font-size: 2rem;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 1rem;
            background: rgba(245, 158, 11, 0.1);
            border-radius: 50%;
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .social-links a:hover {
            color: white;
            background: var(--secondary-color);
            transform: translateY(-5px) scale(1.1);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
            text-align: left;
        }

        .footer-section h4 {
            color: var(--secondary-color);
            margin-bottom: 1rem;
            font-size: 1.2rem;
            font-weight: 600;
        }

        .footer-section p {
            margin: 0.5rem 0;
            opacity: 0.8;
            line-height: 1.6;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #374151;
            color: #9ca3af;
            font-size: 0.95rem;
        }

        /* Scroll to top button */
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            opacity: 0;
            transform: translateY(20px);
            z-index: 1000;
            box-shadow: var(--shadow-md);
        }

        .scroll-top.show {
            opacity: 1;
            transform: translateY(0);
        }

        .scroll-top:hover {
            transform: translateY(-5px) scale(1.1);
            box-shadow: var(--shadow-lg);
        }

        /* Animations */
        .fade-in {
            opacity: 0;
            animation: fadeIn 0.8s ease forwards;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(30px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .slide-in-left {
            opacity: 0;
            animation: slideInLeft 0.8s ease forwards;
        }

        @keyframes slideInLeft {
            from {
                opacity: 0;
                transform: translateX(-50px);
            }

            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        .slide-in-right {
            opacity: 0;
            animation: slideInRight 0.8s ease forwards;
        }

        @keyframes slideInRight {
            from {
                opacity: 0;
                transform: translateX(50px);
            }

            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        /* Intersection Observer classes */
        .animate-on-scroll {
            opacity: 0;
            transform: translateY(50px);
            transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .animate-on-scroll.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .hero {
                padding: 6rem 0;
                margin-top: 0px;
            }

            .hero h1 {
                font-size: 2.5rem;
            }

            .hero p {
                font-size: 1.1rem;
            }

            .header-content {
                text-align: center;
                flex-direction: column;
            }

            .contact-info {
                justify-content: center;
            }

            .nav-links {
                gap: 0.5rem;
            }

            .nav-links a {
                padding: 0.6rem 1rem;
                font-size: 0.9rem;
            }

            .package-price {
                font-size: 2rem;
                padding: 1rem 2rem;
            }

            .package-details {
                grid-template-columns: 1fr;
            }

            .features-grid,
            .attractions-grid {
                grid-template-columns: 1fr;
            }

            .feature-card,
            .attraction-card {
                margin: 0 1rem;
            }

            .service-item {
                padding: 2rem;
            }

            .package-card {
                padding: 2.5rem;
            }

            .contact-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }

            .hero {
                padding: 4rem 0;
            }

            .features,
            .services,
            .travel-guide,
            .tour-packages,
            .contact {
                padding: 4rem 0;
            }

            .feature-card,
            .service-item,
            .attraction-card {
                padding: 1.5rem;
            }

            .package-card {
                padding: 2rem;
            }

            .package-features {
                padding: 1.5rem;
            }
        }

        /* Smooth Scrolling */
        html {
            scroll-behavior: smooth;
        }

        /* Custom scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-track {
            background: #f1f5f9;
        }

        ::-webkit-scrollbar-thumb {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: linear-gradient(135deg, var(--primary-dark), var(--secondary-color));
        }

        /* Preloader styles */
        .preloader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            transition: all 0.5s ease;
        }

        .preloader.fade-out {
            opacity: 0;
            visibility: hidden;
        }

        .preloader-content {
            text-align: center;
            color: white;
        }

        .preloader-spinner {
            width: 60px;
            height: 60px;
            border: 4px solid rgba(255, 255, 255, 0.3);
            border-top: 4px solid var(--secondary-color);
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin: 0 auto 1rem;
        }

        .preloader-text {
            font-size: 1.2rem;
            font-weight: 600;
            animation: pulse 2s ease-in-out infinite;
        }

        @keyframes pulse {

            0%,
            100% {
                opacity: 1;
            }

            50% {
                opacity: 0.7;
            }
        }

        header {
            background: linear-gradient(135deg,
                    rgba(33, 37, 41, 0.98) 0%,
                    rgba(52, 58, 64, 0.95) 30%,
                    rgba(73, 80, 87, 0.95) 70%,
                    rgba(33, 37, 41, 0.98) 100%);
            backdrop-filter: blur(20px);
            border-bottom: 3px solid #ffc107;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }

        .logo {
            font-size: 24px;
            font-weight: bold;
            color: #ffc107;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
            transition: all 0.3s ease;
        }

        .logo:hover {
            color: #ffcd39;
            transform: scale(1.02);
        }

        nav {
            /*  background: rgba(52, 58, 64, 0.9);
            border-top: 1px solid rgba(255, 193, 7, 0.3); */
        }

        .nav-links {
            list-style: none;
            display: flex;
            gap: 0;
            margin: 0;
            padding: 0;
        }

        .nav-links li {
            position: relative;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 12px 20px;
            color: #e9ecef;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
        }

        .nav-links a:hover {
            background: linear-gradient(45deg, #ffc107, #ffcd39);
            color: #212529;
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(255, 193, 7, 0.3);
        }

        .nav-links a i {
            font-size: 16px;
            transition: transform 0.3s ease;
        }

        .nav-links a:hover i {
            transform: scale(1.1);
        }

        /* Active state */
        .nav-links a.active {
            background: linear-gradient(45deg, #ffc107, #ffcd39);
            color: #212529;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
           /* .header-content {
                flex-direction: column;
                gap: 15px;
            }

            .logo {
                font-size: 20px;
                text-align: center;
            }

            .nav-links {
                flex-direction: column;
                width: 100%;
            }

            .nav-links a {
                justify-content: center;
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }

            .nav-links a:last-child {
                border-bottom: none;
            }*/
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 10px;
            }

            .nav-links a {
                padding: 10px 15px;
                font-size: 14px;
            }

            .logo {
                font-size: 18px;
            }
        }

        /* Hover effects */
        header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(45deg,
                    transparent 0%,
                    rgba(255, 193, 7, 0.05) 50%,
                    transparent 100%);
            pointer-events: none;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        header:hover::before {
            opacity: 1;
        }

        /* Add some demo content */
        .demo-content {
            padding: 40px 20px;
            text-align: center;
            color: #495057;
        }

        .demo-content h2 {
            color: #212529;
            margin-bottom: 20px;
        }

        header {
            background: #000;
            padding: 10px 20px;
            }

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

            .logo {
            font-size: 20px;
            font-weight: bold;
            color: #FFD700;
            }

            .nav-links {
            list-style: none;
            display: flex;
            gap: 20px;
            margin: 0;
            padding: 0;
            }

            .nav-links li a {
            text-decoration: none;
            color: #fff;
            padding: 8px 15px;
            border-radius: 20px;
            transition: background 0.3s;
            }

            .nav-links li a.active,
            .nav-links li a:hover {
            background: #FFD700;
            color: #000;
            }

            /* Hamburger Button */
            .menu-toggle {
            display: none;
            font-size: 24px;
            color: #FFD700;
            cursor: pointer;
            }

            /* ✅ Responsive */
            @media (max-width: 768px) {
            .nav-links {
                flex-direction: column;
                background: #111;
                position: absolute;
                top: 60px;
                right: 20px;
                width: 220px;
                padding: 15px;
                border-radius: 10px;

                /* ซ่อนตอนปิด */
                max-height: 0;
                overflow: hidden;
                opacity: 0;
            }

            .nav-links.show {
                max-height: 500px; /* พอสำหรับเมนูหลายบรรทัด */
                opacity: 1;
            }

            .menu-toggle {
                display: block;
            }
        }

        /* ====== SLIDER / CAROUSEL ====== */
         .slider {
           
            background: #f8f9fa;
            }

            .carousel-item img {
            /* height: 500px; /* ปรับความสูงตามต้องการ */
           /* object-fit: cover; /* ให้รูปไม่บิด ครอบเต็มพื้นที่ */
           /* border-radius: 12px; /* มุมโค้งนุ่มนวล */
           /* box-shadow: 0 4px 12px rgba(0,0,0,0.1); */
            }

            .carousel-indicators li {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: #ccc;
            opacity: 0.7;
            transition: all 0.3s ease;
            }

            .carousel-indicators .active {
            background-color: #007bff;
            opacity: 1;
            }

            .carousel-control-prev-icon,
            .carousel-control-next-icon {
            background-color: rgba(0,0,0,0.5);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            }

            .carousel-control-prev,
            .carousel-control-next {
            width: 5%;
            }