@import url('https://fonts.googleapis.com/css2?family=Sometype+Mono:ital,wght@0,600;1,600&display=swap');
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Sometype Mono", monospace;
}

body {
    min-height: 100vh;
    background: radial-gradient(circle at center, #667eea, #764ba2);
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
}

/* main section */
.hero {
    text-align: center;
    padding: 40px;
    background: rgba(0, 0, 0, 0.25);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.title {
    font-size: 3rem;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.main-btn {
    padding: 12px 25px;
    font-size: 1rem;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    background: white;
    color: #764ba2;
}