:root {
            --cosmic-black: #0a0a0f;
            --deep-space: #121218;
            --nebula-purple: #6b4de6;
            --stellar-blue: #00d4ff;
            --aurora-cyan: #00fff5;
            --star-white: #ffffff;
            --dim-white: #b8b8c8;
        }

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

        body {
            font-family: 'Exo 2', sans-serif;
            background: var(--cosmic-black);
            color: var(--star-white);
            overflow-x: hidden;
            position: relative;
        }

        .stars-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 0;
        }

        .stars {
            position: absolute;
            width: 100%;
            height: 100%;
            background-image: 
                radial-gradient(2px 2px at 20px 30px, white, transparent),
                radial-gradient(2px 2px at 60px 70px, white, transparent),
                radial-gradient(1px 1px at 50px 50px, white, transparent),
                radial-gradient(1px 1px at 130px 80px, white, transparent),
                radial-gradient(2px 2px at 90px 10px, white, transparent);
            background-repeat: repeat;
            background-size: 200px 200px;
            animation: twinkle 3s infinite;
            opacity: 0.3;
        }

        .stars.layer2 {
            background-size: 300px 300px;
            animation: twinkle 4s infinite reverse;
            opacity: 0.2;
        }

        .stars.layer3 {
            background-size: 400px 400px;
            animation: twinkle 5s infinite;
            opacity: 0.15;
        }

        @keyframes twinkle {
            0%, 100% { opacity: 0.3; }
            50% { opacity: 0.6; }
        }

        .nebula {
            position: fixed;
            width: 800px;
            height: 800px;
            border-radius: 50%;
            filter: blur(150px);
            opacity: 0.15;
            pointer-events: none;
            z-index: 0;
        }

        .nebula1 {
            background: radial-gradient(circle, var(--nebula-purple), transparent);
            top: -200px;
            right: -300px;
            animation: float 20s infinite ease-in-out;
        }

        .nebula2 {
            background: radial-gradient(circle, var(--stellar-blue), transparent);
            bottom: -300px;
            left: -200px;
            animation: float 25s infinite ease-in-out reverse;
        }

        @keyframes float {
            0%, 100% { transform: translate(0, 0) scale(1); }
            50% { transform: translate(100px, 50px) scale(1.1); }
        }

        .content {
            position: relative;
            z-index: 1;
        }

        header {
            padding: 2rem 4rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: linear-gradient(180deg, rgba(18, 18, 24, 0.9) 0%, transparent 100%);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0, 212, 255, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
            animation: slideDown 0.8s ease-out;
        }

        @keyframes slideDown {
            from { transform: translateY(-100%); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
        }

        .logo {
            font-family: 'Orbitron', sans-serif;
            font-size: 2rem;
            font-weight: 900;
            letter-spacing: 3px;
            background: linear-gradient(135deg, var(--aurora-cyan), var(--stellar-blue), var(--nebula-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-transform: uppercase;
            position: relative;
            animation: glow 3s infinite alternate;
            text-decoration: none;
        }

        .logo:hover {
            cursor: pointer;
        }

        @keyframes glow {
            from { filter: drop-shadow(0 0 5px var(--aurora-cyan)); }
            to { filter: drop-shadow(0 0 20px var(--stellar-blue)); }
        }

        nav {
            display: flex;
            gap: 3rem;
        }

        nav a {
            color: var(--dim-white);
            text-decoration: none;
            font-weight: 400;
            letter-spacing: 1px;
            position: relative;
            transition: color 0.3s;
            text-transform: uppercase;
            font-size: 0.9rem;
        }

        nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--stellar-blue), var(--aurora-cyan));
            transition: width 0.3s;
        }

        nav a:hover {
            color: var(--aurora-cyan);
        }

        nav a:hover::after {
            width: 100%;
        }

        .hero {
            min-height: 90vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            padding: 4rem 2rem;
            position: relative;
            overflow: hidden;
        }

        .hero-title {
            font-family: 'Orbitron', sans-serif;
            font-size: 6rem;
            font-weight: 900;
            letter-spacing: 5px;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, var(--star-white), var(--aurora-cyan), var(--stellar-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: fadeInUp 1s ease-out 0.2s backwards;
            text-transform: uppercase;
        }

        .hero-subtitle {
            font-size: 1.5rem;
            color: var(--dim-white);
            margin-bottom: 3rem;
            letter-spacing: 2px;
            animation: fadeInUp 1s ease-out 0.4s backwards;
            font-weight: 300;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .cta-buttons {
            display: flex;
            gap: 2rem;
            animation: fadeInUp 1s ease-out 0.6s backwards;
        }

        .cta-button {
            padding: 1.2rem 3rem;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--cosmic-black);
            background: linear-gradient(135deg, var(--aurora-cyan), var(--stellar-blue));
            border: none;
            border-radius: 50px;
            cursor: pointer;
            text-transform: uppercase;
            letter-spacing: 2px;
            font-family: 'Orbitron', sans-serif;
            transition: all 0.3s;
            box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
            animation: pulse 2s infinite;
            position: relative;
            overflow: hidden;
            text-decoration: none;
            display: inline-block;
        }

        .cta-button.secondary {
            background: transparent;
            color: var(--aurora-cyan);
            border: 2px solid var(--aurora-cyan);
            box-shadow: 0 0 20px rgba(0, 255, 245, 0.3);
        }

        .cta-button::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            transform: translate(-50%, -50%);
            transition: width 0.6s, height 0.6s;
        }

        .cta-button:hover::before {
            width: 300px;
            height: 300px;
        }

        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 50px rgba(0, 212, 255, 0.8);
        }

        .cta-button.secondary:hover {
            background: rgba(0, 255, 245, 0.1);
            box-shadow: 0 0 40px rgba(0, 255, 245, 0.6);
        }

        @keyframes pulse {
            0%, 100% { box-shadow: 0 0 30px rgba(0, 212, 255, 0.5); }
            50% { box-shadow: 0 0 50px rgba(0, 212, 255, 0.8); }
        }

        .features {
            padding: 6rem 4rem;
        }

        .section-title {
            font-family: 'Orbitron', sans-serif;
            font-size: 3.5rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 4rem;
            background: linear-gradient(135deg, var(--aurora-cyan), var(--nebula-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-transform: uppercase;
            letter-spacing: 3px;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 3rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .feature-card {
            background: linear-gradient(135deg, rgba(18, 18, 24, 0.6), rgba(0, 212, 255, 0.05));
            padding: 3rem 2rem;
            border-radius: 20px;
            border: 1px solid rgba(0, 255, 245, 0.2);
            text-align: center;
            transition: all 0.4s;
            backdrop-filter: blur(10px);
        }

        .feature-card:hover {
            transform: translateY(-10px);
            border-color: var(--stellar-blue);
            box-shadow: 0 20px 60px rgba(0, 255, 245, 0.2);
        }

        .feature-icon {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            filter: drop-shadow(0 0 10px var(--stellar-blue));
        }

        .feature-title {
            font-family: 'Orbitron', sans-serif;
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--stellar-blue);
            font-weight: 600;
        }

        .feature-description {
            color: var(--dim-white);
            line-height: 1.8;
        }

        footer {
            background: linear-gradient(180deg, transparent, rgba(18, 18, 24, 0.9));
            border-top: 1px solid rgba(0, 212, 255, 0.1);
            padding: 3rem 4rem;
            text-align: center;
            margin-top: 6rem;
        }

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

        .footer-brand {
            font-family: 'Orbitron', sans-serif;
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, var(--aurora-cyan), var(--stellar-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-text {
            color: var(--dim-white);
            margin-bottom: 2rem;
            font-size: 1rem;
        }

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

        .social-links a {
            color: var(--dim-white);
            font-size: 1.5rem;
            transition: all 0.3s;
            text-decoration: none;
        }

        .social-links a:hover {
            color: var(--aurora-cyan);
            transform: translateY(-5px);
            filter: drop-shadow(0 0 10px var(--aurora-cyan));
        }

        .copyright {
            color: rgba(184, 184, 200, 0.5);
            font-size: 0.9rem;
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(0, 212, 255, 0.1);
        }

        @media (max-width: 768px) {
            header {
                padding: 1.5rem 2rem;
                flex-direction: column;
                gap: 1rem;
            }

            nav {
                gap: 1.5rem;
                flex-wrap: wrap;
                justify-content: center;
            }

            .hero-title {
                font-size: 3rem;
            }

            .hero-subtitle {
                font-size: 1.2rem;
            }

            .cta-buttons {
                flex-direction: column;
                gap: 1rem;
            }

            .section-title {
                font-size: 2.5rem;
            }

            .features {
                padding: 4rem 2rem;
            }
        }

        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s, transform 0.8s;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }