:root {
            --primary: #38bdf8;
            --primary-glow: rgba(56, 189, 248, 0.4);
            --secondary: #0ea5e9;
            --accent: #22d3ee;
            --accent-glow: rgba(34, 211, 238, 0.3);
            --bg-start: #0c1929;
            --bg-mid: #0f2847;
            --bg-end: #020617;
            --card-bg: rgba(15, 40, 71, 0.6);
            --card-border: rgba(56, 189, 248, 0.2);
            --text-primary: #ffffff;
            --text-secondary: #94a3b8;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { 
            font-family: 'IBM Plex Sans', system-ui, sans-serif; 
            background: linear-gradient(180deg, var(--bg-start) 0%, var(--bg-mid) 50%, var(--bg-end) 100%);
            background-attachment: fixed;
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 { font-family: 'Space Grotesk', system-ui, sans-serif; font-weight: 700; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        
        /* 18+ Age Verification Modal */
        .age-modal { 
            display: none; 
            position: fixed; 
            z-index: 10000; 
            left: 0; 
            top: 0; 
            width: 100%; 
            height: 100%; 
            background: rgba(0, 0, 0, 0.95);
            backdrop-filter: blur(10px);
        }
        .age-modal-content { 
            background: linear-gradient(135deg, var(--bg-mid), var(--bg-end));
            margin: 10% auto; 
            padding: 40px; 
            border: 2px solid var(--primary);
            border-left: 6px solid var(--primary);
            width: 90%; 
            max-width: 500px;
            text-align: center;
        }
        .age-modal h2 { font-size: 2rem; margin-bottom: 20px; color: var(--primary); }
        .age-modal p { margin: 20px 0; font-size: 1.1rem; color: var(--text-secondary); }
        .age-btn { 
            padding: 15px 40px; 
            margin: 10px; 
            border: 2px solid;
            background: transparent;
            font-size: 1rem; 
            font-weight: 600;
            cursor: pointer; 
            transition: all 0.2s ease-in-out;
            font-family: 'Space Grotesk', sans-serif;
        }
        .age-btn-yes { color: var(--primary); border-color: var(--primary); }
        .age-btn-yes:hover { background: var(--primary); color: var(--bg-end); transform: scale(1.01); }
        .age-btn-no { color: #ef4444; border-color: #ef4444; }
        .age-btn-no:hover { background: #ef4444; color: white; transform: scale(1.01); }
        
        /* Navigation */
        nav { 
            position: sticky; 
            top: 0; 
            z-index: 1000; 
            background: rgba(12, 25, 41, 0.8);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--card-border);
        }
        nav .container { 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
            padding: 15px 20px;
        }
        .logo { 
            font-family: 'Space Grotesk', sans-serif; 
            font-size: 1.5rem; 
            font-weight: 700; 
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-links { 
            display: flex; 
            gap: 30px; 
            align-items: center;
            list-style: none;
        }
        .nav-links a { 
            color: var(--text-primary); 
            text-decoration: none; 
            transition: color 0.2s ease-in-out;
            font-weight: 500;
        }
        .nav-links a:hover { color: var(--primary); }
        .age-badge { 
            background: #ef4444;
            color: white;
            padding: 5px 12px;
            border: 2px solid white;
            font-weight: 700;
            font-family: 'Space Grotesk', sans-serif;
            font-size: 0.9rem;
        }
        .mobile-toggle { 
            display: none; 
            flex-direction: column; 
            gap: 5px; 
            cursor: pointer;
            background: none;
            border: none;
        }
        .mobile-toggle span { 
            width: 25px; 
            height: 3px; 
            background: var(--primary);
            transition: 0.3s;
        }
        
        /* Hero Section */
        .hero { 
            min-height: 100vh;
            display: grid;
            grid-template-columns: 1fr 1fr;
            align-items: center;
            gap: 60px;
            padding: 100px 0 80px;
            position: relative;
        }
        .hero-content h1 { 
            font-size: 3.5rem; 
            margin-bottom: 20px;
            line-height: 1.1;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-content p { 
            font-size: 1.3rem; 
            color: var(--text-secondary);
            margin-bottom: 30px;
        }
        .hero-image { 
            background: url('assets/img/ban.jpeg') center/cover;
            height: 500px;
            border: 1px solid var(--card-border);
            border-left: 6px solid var(--primary);
            position: relative;
            overflow: hidden;
        }
        .hero-image::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(34, 211, 238, 0.1));
        }
        .cta-btn { 
            display: inline-block;
            padding: 18px 45px;
            background: transparent;
            color: var(--primary);
            text-decoration: none;
            border: 2px solid var(--primary);
            font-weight: 700;
            font-size: 1.1rem;
            transition: all 0.2s ease-in-out;
            font-family: 'Space Grotesk', sans-serif;
        }
        .cta-btn:hover { 
            background: var(--primary);
            color: var(--bg-end);
            transform: scale(1.01);
        }
        
        /* Download Section */
        .download-section { 
            padding: 80px 0;
            text-align: center;
        }
        .download-section h2 { 
            font-size: 2.5rem; 
            margin-bottom: 15px;
            color: var(--primary);
        }
        .download-section p { 
            font-size: 1.2rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
        }
        .download-form { 
            max-width: 500px;
            margin: 0 auto;
            display: flex;
            gap: 15px;
            flex-direction: column;
        }
        .download-form input { 
            padding: 18px;
            background: var(--card-bg);
            border: 2px solid var(--card-border);
            color: var(--text-primary);
            font-size: 1rem;
            font-family: 'IBM Plex Sans', sans-serif;
            outline: none;
            transition: border-color 0.2s ease-in-out;
        }
        .download-form input:focus { border-color: var(--primary); }
        .download-form button { 
            padding: 18px;
            background: var(--primary);
            border: 2px solid var(--primary);
            color: var(--bg-end);
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.2s ease-in-out;
            font-family: 'Space Grotesk', sans-serif;
        }
        .download-form button:hover { 
            background: transparent;
            color: var(--primary);
            transform: scale(1.01);
        }
        .success-message { 
            display: none;
            padding: 20px;
            background: rgba(34, 197, 94, 0.1);
            border: 2px solid #22c55e;
            border-left: 6px solid #22c55e;
            color: #22c55e;
            font-weight: 600;
            margin-top: 20px;
        }
        
        /* Features Section */
        .features { 
            padding: 80px 0;
        }
        .features h2 { 
            font-size: 2.5rem; 
            text-align: center; 
            margin-bottom: 60px;
            color: var(--primary);
        }
        .features-grid { 
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }
        .feature-card { 
            background: var(--card-bg);
            padding: 40px 30px;
            border: 1px solid var(--card-border);
            border-left: 6px solid var(--accent);
            transition: all 0.2s ease-in-out;
            backdrop-filter: blur(10px);
        }
        .feature-card:hover { 
            transform: scale(1.01);
            border-left-color: var(--primary);
        }
        .feature-icon { 
            font-size: 3rem; 
            margin-bottom: 20px;
            display: block;
        }
        .feature-card h3 { 
            font-size: 1.5rem; 
            margin-bottom: 15px;
            color: var(--accent);
        }
        .feature-card p { 
            color: var(--text-secondary);
            line-height: 1.7;
        }
        
        /* About Section */
        .about { 
            padding: 80px 0;
            background: var(--card-bg);
            border-top: 1px solid var(--card-border);
            border-bottom: 1px solid var(--card-border);
        }
        .about h2 { 
            font-size: 2.5rem; 
            text-align: center; 
            margin-bottom: 40px;
            color: var(--primary);
        }
        .about-content { 
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }
        .about-content p { 
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 25px;
            line-height: 1.8;
        }
        .trust-badges { 
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        .badge { 
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }
        .badge-icon { 
            font-size: 2.5rem;
        }
        .badge span { 
            color: var(--text-secondary);
            font-weight: 600;
        }
        
        /* FAQ Section */
        .faq { 
            padding: 80px 0;
        }
        .faq h2 { 
            font-size: 2.5rem; 
            text-align: center; 
            margin-bottom: 60px;
            color: var(--primary);
        }
        .faq-container { 
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item { 
            background: var(--card-bg);
            margin-bottom: 20px;
            border: 1px solid var(--card-border);
            border-left: 6px solid var(--accent);
            overflow: hidden;
        }
        .faq-question { 
            padding: 25px 30px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.2s ease-in-out;
        }
        .faq-question:hover { color: var(--primary); }
        .faq-answer { 
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-in-out;
        }
        .faq-answer p { 
            padding: 0 30px 25px 30px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.active .faq-answer { max-height: 500px; }
        .faq-toggle { 
            font-size: 1.5rem;
            color: var(--accent);
            transition: transform 0.2s ease-in-out;
        }
        .faq-item.active .faq-toggle { transform: rotate(45deg); }
        
        /* 18+ Disclaimer Section */
        .disclaimer-section { 
            padding: 60px 0;
            background: rgba(239, 68, 68, 0.1);
            border-top: 2px solid #ef4444;
            border-bottom: 2px solid #ef4444;
        }
        .disclaimer-section .container { 
            text-align: center;
        }
        .disclaimer-section h3 { 
            font-size: 2rem;
            color: #ef4444;
            margin-bottom: 20px;
        }
        .disclaimer-section p { 
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 800px;
            margin: 0 auto;
            line-height: 1.7;
        }
        
        /* Footer */
        footer { 
            padding: 60px 0 30px;
            border-top: 1px solid var(--card-border);
        }
        .footer-content { 
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 { 
            color: var(--primary);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-section ul { 
            list-style: none;
        }
        .footer-section ul li { 
            margin-bottom: 10px;
        }
        .footer-section a { 
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.2s ease-in-out;
        }
        .footer-section a:hover { color: var(--primary); }
        .footer-bottom { 
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid var(--card-border);
        }
        .footer-age-badge { 
            display: inline-block;
            background: #ef4444;
            color: white;
            padding: 15px 30px;
            border: 3px solid white;
            font-weight: 700;
            font-size: 1.5rem;
            margin-bottom: 20px;
            font-family: 'Space Grotesk', sans-serif;
        }
        .footer-bottom p { 
            color: var(--text-secondary);
            margin: 10px 0;
        }
        
        /* Mobile Responsive */
        @media (max-width: 768px) {
            .nav-links { 
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: rgba(12, 25, 41, 0.98);
                flex-direction: column;
                justify-content: flex-start;
                padding: 40px;
                transition: left 0.3s ease-in-out;
                backdrop-filter: blur(10px);
            }
            .nav-links.active { left: 0; }
            .mobile-toggle { display: flex; }
            .hero { 
                grid-template-columns: 1fr;
                padding: 60px 0;
                gap: 40px;
            }
            .hero-content h1 { font-size: 2.5rem; }
            .hero-image { height: 350px; }
            .features h2, .faq h2, .about h2 { font-size: 2rem; }
            .download-section h2 { font-size: 2rem; }
            .age-modal-content { padding: 30px; margin: 20% auto; }
        }