/* ------------------------- */
        /* --- CSS STYLESHEET --- */
        /* ------------------------- */

        /* --- 1. Global Styles & Variables --- */
        :root {
            --sky-blue: #87CEEB;
            --ocean-teal: #008080;
            --sunset-orange: #FFA500;
            --forest-green: #228B22;
            --white: #FFFFFF;
            --light-gray: #f4f4f4;
            --dark-text: #333333;

            --font-primary: 'Montserrat', sans-serif;
            --font-display: 'Playfair Display', serif;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-primary);
            color: var(--dark-text);
            background-color: var(--white);
            line-height: 1.6;
            overflow-x: hidden; /* Prevent horizontal scrollbar from animations */
        }

        /* --- 2. Helper Classes --- */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        section {
            padding: 6rem 0;
            overflow: hidden; /* Contain animations within section bounds */
        }

        h1, h2, h3 {
            font-family: var(--font-display);
            font-weight: 700;
            color: var(--ocean-teal);
        }

        h2.section-title {
            text-align: center;
            font-size: 2.8rem;
            margin-bottom: 3rem;
            position: relative;
        }

        h2.section-title::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background-color: var(--sunset-orange);
            margin: 0.5rem auto 0;
            border-radius: 2px;
        }

        /* --- 3. Header & Navigation --- */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            padding: 1rem 0;
            z-index: 1000;
            transition: background-color 0.4s ease, box-shadow 0.4s ease;
        }

        header.scrolled {
            background-color: rgba(255, 255, 255, 0.9);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 2rem;
        }

        .logo {
            font-family: var(--font-display);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--white);
            text-decoration: none;
            transition: color 0.4s ease;
        }
        
        header.scrolled .logo {
             color: var(--ocean-teal);
        }

        .nav-links {
            list-style: none;
            display: flex;
        }

        .nav-links li {
            margin-left: 2rem;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--white);
            font-weight: 700;
            position: relative;
            padding-bottom: 5px;
            transition: color 0.4s ease;
        }
        
        header.scrolled .nav-links a {
            color: var(--dark-text);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--sunset-orange);
            transition: width 0.3s ease;
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .menu-toggle {
            display: none;
            cursor: pointer;
        }
        
        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--white);
            margin: 5px 0;
            transition: all 0.3s ease;
        }

        header.scrolled .menu-toggle span {
             background-color: var(--dark-text);
        }

        /* --- 4. Hero Section --- */
        #hero {
            position: relative;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: var(--white);
            padding: 0;
            
            /* --- IMAGE BACKGROUND --- */
            background-image: url('https://images.pexels.com/photos/167699/pexels-photo-167699.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=2');
            background-size: cover;
            background-position: center center;
            background-attachment: fixed; /* This creates the parallax effect */
        }

        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 64, 64, 0.5); /* Dark teal overlay */
            z-index: 1;
        }

        .hero-content {
            position: relative; /* Ensure content is on top of the overlay */
            z-index: 2;
        }

        .hero-content h1 {
            font-size: 4.5rem;
            color: var(--white);
            margin-bottom: 1rem;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
        }

        .hero-content p {
            font-size: 1.5rem;
            max-width: 600px;
            margin: 0 auto 2rem;
            text-shadow: 1px 1px 4px rgba(0,0,0,0.5);
        }

        .cta-button {
            display: inline-block;
            padding: 0.8rem 2rem;
            background-color: var(--sunset-orange);
            color: var(--white);
            text-decoration: none;
            font-weight: 700;
            border-radius: 50px;
            transition: background-color 0.3s ease, transform 0.3s ease;
            box-shadow: 0 4px 15px rgba(255, 165, 0, 0.4);
        }

        .cta-button:hover {
            background-color: #ff8c00;
            transform: translateY(-3px);
        }

        /* --- 5. Destinations Section --- */
        .destinations-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .destination-card {
            background-color: var(--white);
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            overflow: hidden;
            position: relative;
            transition: transform 0.4s ease, box-shadow 0.4s ease;
        }

        .destination-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 128, 128, 0.2);
        }

        .destination-card img {
            width: 100%;
            height: 250px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        
        .destination-card:hover img {
            transform: scale(1.05);
        }

        .destination-info {
            padding: 1.5rem;
        }

        .destination-info h3 {
            margin-bottom: 0.5rem;
            font-size: 1.5rem;
        }
        
        .destination-info p {
            font-size: 0.9rem;
            color: #666;
        }

        /* --- 6. Packages Section --- */
        #packages {
            background-color: var(--light-gray);
        }

        .packages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2.5rem;
            perspective: 1500px;
        }

        .package-card {
            position: relative;
            width: 100%;
            height: 450px;
            transform-style: preserve-3d;
            transition: transform 0.8s;
            cursor: pointer;
        }

        .package-front, .package-back {
            position: absolute;
            width: 100%;
            height: 100%;
            backface-visibility: hidden;
            -webkit-backface-visibility: hidden;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            overflow: hidden;
        }

        .package-front {
            background-size: cover;
            background-position: center;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            color: var(--white);
        }
        
        .package-front::after {
            content: '';
            position: absolute;
            top: 0; left: 0;
            width: 100%; height: 100%;
            background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 60%);
        }
        
        .package-front-content {
            padding: 2rem;
            z-index: 1;
        }

        .package-front-content h3 {
            font-size: 2rem;
            color: var(--white);
            margin-bottom: 0.5rem;
        }
        
        .price {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--sunset-orange);
        }

        .package-back {
            background-color: var(--ocean-teal);
            color: var(--white);
            transform: rotateY(180deg);
            padding: 2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .package-back h3 {
             color: var(--white);
             margin-bottom: 1rem;
        }

        .package-back ul {
            list-style: none;
            margin-bottom: 2rem;
        }

        .package-back li {
            margin-bottom: 0.75rem;
            padding-left: 1.5rem;
            position: relative;
        }

        .package-back li::before {
            content: '✓';
            color: var(--sunset-orange);
            position: absolute;
            left: 0;
            font-weight: bold;
        }

        /* --- 7. Why Us Section --- */
        .why-us-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            text-align: center;
        }

        .feature-icon {
            font-size: 4rem;
            color: var(--sunset-orange);
            margin-bottom: 1rem;
            display: inline-block;
        }
        
        .feature h3 {
            font-size: 1.5rem;
            margin-bottom: 0.5rem;
        }

        /* --- 8. Testimonials Section --- */
        #testimonials {
            background-color: var(--sky-blue);
            background-image: linear-gradient(to bottom right, var(--sky-blue), #a1dffb);
        }
        
        #testimonials .section-title, #testimonials .section-title::after {
            color: var(--white);
            border-color: var(--white);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .testimonial-card {
            background: rgba(255, 255, 255, 0.9);
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            backdrop-filter: blur(5px);
        }
        
        .testimonial-text {
            font-style: italic;
            margin-bottom: 1.5rem;
            position: relative;
            padding-left: 2rem;
        }
        
        .testimonial-text::before {
            content: '“';
            position: absolute;
            left: -5px;
            top: -10px;
            font-size: 3rem;
            font-family: var(--font-display);
            color: var(--ocean-teal);
            opacity: 0.5;
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
        }
        
        .testimonial-author img {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            object-fit: cover;
            margin-right: 1rem;
            border: 2px solid var(--ocean-teal);
        }
        
        .author-info h4 {
            font-family: var(--font-primary);
            color: var(--ocean-teal);
            font-weight: 700;
        }
        
        .author-info p {
            font-size: 0.9rem;
            color: #555;
        }

        /* --- 9. Contact Section --- */
        #contact {
            background-color: var(--light-gray);
        }
        
        .contact-form {
            max-width: 700px;
            margin: 0 auto;
        }
        
        .form-group {
            margin-bottom: 1.5rem;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 700;
            color: var(--ocean-teal);
        }
        
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-family: var(--font-primary);
            font-size: 1rem;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--ocean-teal);
            box-shadow: 0 0 0 3px rgba(0, 128, 128, 0.2);
        }
        
        textarea {
            resize: vertical;
            min-height: 150px;
        }
        
        .submit-btn {
            display: block;
            width: 100%;
            padding: 1rem;
            font-size: 1.2rem;
            background-color: var(--forest-green);
        }

        /* --- 10. Footer --- */
        footer {
            background-color: var(--dark-text);
            color: var(--light-gray);
            text-align: center;
            padding: 2rem 0;
        }

        /* --- 11. Responsive Design --- */
        @media (max-width: 768px) {
            h2.section-title {
                font-size: 2.2rem;
            }
            
            #hero {
                /* On mobile, fixed attachment can be jittery. Scroll is safer. */
                background-attachment: scroll;
            }

            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: rgba(255, 255, 255, 0.98);
                padding: 1rem 0;
                box-shadow: 0 4px 10px rgba(0,0,0,0.1);
            }
            
            .nav-links.active {
                display: flex;
            }

            .nav-links li {
                margin: 1rem 0;
                text-align: center;
            }
            
            .nav-links a, header.scrolled .nav-links a {
                color: var(--dark-text);
            }

            .menu-toggle {
                display: block;
            }

            .hero-content h1 {
                font-size: 3rem;
            }
            .hero-content p {
                font-size: 1.2rem;
            }
        }