:root {
            --primary: #6366f1;
            --primary-hover: #4f46e5;
            --bg: #0f172a;
            --card-bg: #1e293b;
            --text-main: #f8fafc;
            --text-muted: #94a3b8;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        }

        body {
            background-color: var(--bg);
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            overflow-x: hidden;
            padding: 20px;
        }

        /* Ambient Background Glow */
        .glow {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(15, 23, 42, 0) 70%);
            z-index: -1;
        }

        .container {
            text-align: center;
            max-width: 800px;
            width: 100%;
        }

        .logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: 0.05em;
            margin-bottom: 2rem;
            background: linear-gradient(to right, #818cf8, #c084fc);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-transform: uppercase;
        }

        h1 {
            font-size: clamp(2.5rem, 8vw, 4rem);
            font-weight: 700;
            line-height: 1.1;
            margin-bottom: 1.5rem;
        }

        p.subtitle {
            color: var(--text-muted);
            font-size: 1.2rem;
            margin-bottom: 3rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Countdown Grid */
        .countdown {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            margin-bottom: 4rem;
        }

        .countdown-item {
            background: var(--card-bg);
            padding: 1.5rem 1rem;
            border-radius: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.05);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        }

        .countdown-value {
            display: block;
            font-size: clamp(1.5rem, 5vw, 2.5rem);
            font-weight: 700;
            color: var(--primary);
        }

        .countdown-label {
            display: block;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--text-muted);
            margin-top: 0.5rem;
        }

        /* Notify Form */
        .notify-container {
            max-width: 450px;
            margin: 0 auto;
        }

        .form-group {
            display: flex;
            gap: 0.5rem;
            background: var(--card-bg);
            padding: 0.5rem;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: border-color 0.3s ease;
        }

        .form-group:focus-within {
            border-color: var(--primary);
        }

        input[type="email"] {
            flex: 1;
            background: transparent;
            border: none;
            padding: 0 1.5rem;
            color: white;
            outline: none;
            font-size: 1rem;
        }

        button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s ease;
            white-space: nowrap;
        }

        button:hover {
            background: var(--primary-hover);
        }

        #messageBox {
            display: none;
            margin-top: 1.5rem;
            padding: 1rem;
            border-radius: 0.5rem;
            font-size: 0.9rem;
        }

        .success { background: rgba(34, 197, 94, 0.1); color: #4ade80; border: 1px solid rgba(34, 197, 94, 0.2); }

        @media (max-width: 640px) {
            .countdown {
                grid-template-columns: repeat(2, 1fr);
            }
            .form-group {
                flex-direction: column;
                background: transparent;
                border: none;
                padding: 0;
            }
            input[type="email"] {
                background: var(--card-bg);
                padding: 1rem 1.5rem;
                border-radius: 50px;
                margin-bottom: 0.5rem;
                width: 100%;
            }
            button {
                width: 100%;
                padding: 1rem;
            }
        }