html,
        body {
            margin: 0;
            padding: 0;
            width: 100%;
            height: 100%;
        }

        body {
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: #0f2f33;
            font-family: Arial, Helvetica, sans-serif;
        }

        .container {
            text-align: center;
        }

        h1 {
            color: #ffffff;
            font-size: 96px;
            font-weight: bold;
            margin: 0;
            letter-spacing: -2px;
        }

        h3 {
            color: rgba(255,255,255,0.78);
            font-size: 18px;
            font-weight: 300;
            letter-spacing: 4px;
            text-transform: uppercase;
            margin-top: 18px;
            margin-bottom: 42px;
        }

        .btn {
            display: inline-block;
            padding: 14px 38px;
            color: white;
            text-decoration: none;
            background: transparent;
            border: 1px solid rgba(255,255,255,0.35);
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 3px;
            text-transform: uppercase;
            transition: 0.3s ease;
        }

        .btn:hover {
            border-color: rgba(255,255,255,0.8);
            background: rgba(255,255,255,0.05);
        }