body {
    margin: 0;
    padding: 0;
    height: 100vh;
    background: #06000e;
    font-family: "Poppins", Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

body::before {
    content: "";
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(140, 0, 255, 0.7), transparent 70%);
    filter: blur(90px);
}

.container {
    text-align: center;
    width: 90%;
    max-width: 360px;
    color: white;
    position: relative;
    z-index: 2;
}

.title {
    font-size: 34px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 40px;
    text-shadow: 0 0 15px #9b00ff, 0 0 40px #7b00ff;
}

.btn {
    display: inline-block;
    padding: 20px 35px;
    background: linear-gradient(90deg, #b200ff, #6a00ff);
    border-radius: 18px;
    color: white;
    text-decoration: none;
    font-size: 22px;
    font-weight: 800;
    box-shadow: 0 0 25px #b200ff, 0 0 50px #6a00ff;
    animation: pulse 1.8s infinite ease-in-out, glow 3s infinite alternate;
    transition: transform 0.2s;
}

.btn:hover {
    transform: scale(1.07);
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes glow {
    0% { box-shadow: 0 0 20px #b200ff; }
    100% { box-shadow: 0 0 35px #b200ff, 0 0 70px #6a00ff; }
}