/* --- DYNAMIC THEME VARIABLES --- */
        :root { 
            --accent: #00d2ff; 
            --accent-dark: #0077ff;
            --bg-deep: #000814; 
            --bg-light: #001f3f;
            --text-muted: #8da4c4;
        }

        html, body {
            background-color: var(--bg-deep) !important;
            margin: 0; padding: 0;
            height: 100vh; width: 100vw;
            overflow: hidden;
            font-family: 'Inter', -apple-system, sans-serif;
            color: white;
            transition: background-color 0.5s ease;
        }

        body { 
            background: radial-gradient(circle at center, var(--bg-light), var(--bg-deep));
            background-image: 
                linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 50px 50px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        /* --- HERO SECTION --- */
        .hero-container {
            z-index: 10;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-top: -10vh;
        }

        .main-title {
            font-size: 5rem;
            font-weight: 900;
            letter-spacing: 12px;
            margin: 0 0 10px 0;
            text-transform: uppercase;
            text-shadow: 0 0 20px var(--accent), 0 0 40px var(--accent-dark);
        }

        .random-subtitle {
            font-size: 1.5rem;
            color: var(--text-muted);
            font-style: italic;
            margin-bottom: 30px;
            font-weight: 500;
            letter-spacing: 2px;
        }

        /* --- RANDOM IMAGE --- */
        #randomImage {
            max-width: 300px;
            max-height: 200px;
            border-radius: 16px;
            border: 2px solid var(--accent);
            box-shadow: 0 10px 30px rgba(0,0,0,0.6);
            display: none; /* Hidden by default */
            object-fit: cover;
            animation: fadeIn 1s ease-out forwards;
        }

        /* --- ANIMATIONS --- */
        @keyframes fadeIn {
            from { opacity: 0; transform: scale(0.9); }
            to { opacity: 1; transform: scale(1); }
        }

        /* --- WAVES --- */
        .wave-wrapper {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 15vh;
            min-height: 100px;
            z-index: 1;
            pointer-events: none;
        }

        .svg-waves { width: 100%; height: 100%; }
        .parallax > use { animation: move-forever 20s cubic-bezier(.55,.5,.45,.5) infinite; }
        .parallax > use:nth-child(1) { animation-delay: -2s; animation-duration: 7s; }
        .parallax > use:nth-child(2) { animation-delay: -3s; animation-duration: 10s; }
        .parallax > use:nth-child(3) { animation-delay: -4s; animation-duration: 13s; }
        .parallax > use:nth-child(4) { animation-delay: -5s; animation-duration: 20s; }

        @keyframes move-forever { 0% { transform: translate3d(-90px,0,0); } 100% { transform: translate3d(85px,0,0); } }