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

        body {
            font-family: 'Arial', sans-serif;
            line-height: 1.6;
            color: #333;
            overflow-x: hidden;
        }

        /* Header */
        .header {
            position: fixed;
            top: 0;
            width: 100%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 1rem 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 20px rgba(0,0,0,0.1);
        }

        .nav {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 2rem;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: white;
            text-decoration: none;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-links a {
            color: white;
            text-decoration: none;
            transition: all 0.3s ease;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }

        .nav-links a:hover {
            background: rgba(255,255,255,0.2);
            transform: translateY(-2px);
        }

        /* Hero Section */
        .hero {
            height: 100vh;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: white;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            width: 200%;
            height: 200%;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><polygon points="50,5 90,25 90,75 50,95 10,75 10,25" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></svg>') repeat;
            animation: float 20s ease-in-out infinite;
            opacity: 0.3;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px) rotate(0deg); }
            50% { transform: translateY(-20px) rotate(5deg); }
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            padding: 0 2rem;
        }

        .hero h1 {
            font-size: 4rem;
            margin-bottom: 1rem;
            background: linear-gradient(45deg, #fff, #f0f8ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero p {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            opacity: 0.9;
        }

        .download-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            padding: 15px 30px;
            background: rgba(255,255,255,0.2);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
            border: 2px solid rgba(255,255,255,0.3);
            font-weight: bold;
        }

        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.2);
            background: rgba(255,255,255,0.3);
        }

        .btn-primary {
            background: linear-gradient(45deg, #ff6b6b, #feca57);
            border: none;
        }

        /* Sections */
        .section {
            padding: 5rem 0;
        }

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

        .section-title {
            text-align: center;
            font-size: 3rem;
            margin-bottom: 3rem;
            background: linear-gradient(45deg, #667eea, #764ba2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* Features */
        .features {
            background: #f8f9fa;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .feature-card {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            text-align: center;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-5px);
        }

        .feature-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(45deg, #667eea, #764ba2);
            border-radius: 50%;
            margin: 0 auto 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: white;
        }

        /* Gallery */
        .gallery {
            padding: 5rem 0;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        }

        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
            justify-items: center;
        }

        .gallery-item {
            position: relative;
            aspect-ratio: 9/16;
            width: 100%;
            max-width: 350px;
            border-radius: 20px;
            overflow: hidden;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
        }

        .gallery-item:hover {
            transform: scale(1.05);
        }

        /* Modal for gallery images */
        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.9);
            animation: fadeIn 0.3s ease;
        }

        .modal-content {
            position: relative;
            margin: 5% auto;
            width: 90%;
            max-width: 800px;
            text-align: center;
        }

        .modal-image {
            width: 100%;
            max-height: 80vh;
            object-fit: contain;
            border-radius: 10px;
        }

        .modal-placeholder {
            width: 100%;
            max-width: 400px;
            height: 70vh;
            background: linear-gradient(45deg, #667eea, #764ba2);
            border-radius: 15px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 2rem;
            margin: 0 auto;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }

        .close-modal {
            position: absolute;
            top: -40px;
            right: 0;
            color: white;
            font-size: 35px;
            font-weight: bold;
            cursor: pointer;
            transition: color 0.3s ease;
        }

        .close-modal:hover {
            color: #667eea;
        }

        .modal-title {
            color: white;
            margin-top: 1rem;
            font-size: 1.5rem;
        }

        .gallery-placeholder {
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.2rem;
            background: linear-gradient(45deg, #667eea, #764ba2);
        }

        /* About */
        .about {
            padding: 5rem 0;
            background: white;
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .about-text h3 {
            font-size: 2rem;
            margin-bottom: 1rem;
            color: #667eea;
        }

        .about-text p {
            font-size: 1.1rem;
            margin-bottom: 1rem;
            color: #666;
        }

        /* Download Section */
        .download {
            padding: 5rem 0;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            text-align: center;
        }

        .download h2 {
            color: white;
            margin-bottom: 2rem;
        }

        /* Contact */
        .contact {
            padding: 5rem 0;
            background: #f8f9fa;
            text-align: center;
        }

        .contact-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            margin-top: 2rem;
            flex-wrap: wrap;
        }

        .btn-contact {
            background: linear-gradient(45deg, #667eea, #764ba2);
            color: white;
            padding: 15px 30px;
            border-radius: 50px;
            text-decoration: none;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }

        .btn-contact:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
        }

        /* Footer */
        .footer {
            background: #333;
            color: white;
            padding: 3rem 0 2rem;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s ease;
            padding: 0.5rem;
        }

        .footer-links a:hover {
            color: #667eea;
        }

        .footer-text {
            text-align: center;
            color: #999;
            border-top: 1px solid #555;
            padding-top: 1rem;
        }

        /* Mobile Responsiveness */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }

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

            .nav-links {
                display: none;
            }

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

            .download-buttons {
                flex-direction: column;
                align-items: center;
            }

            .gallery-grid {
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
                gap: 1.5rem;
            }

            .gallery-item {
                max-width: 280px;
            }

            .gallery-placeholder > div:first-child {
                font-size: 3rem !important;
                margin-bottom: 1.5rem !important;
            }

            .gallery-placeholder > div:last-child {
                font-size: 1.2rem !important;
            }

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

        .gallery-img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover; 
            z-index: 1;
        }

        /* Animations */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            animation: fadeIn 0.8s ease forwards;
        }

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