body {
    background: #f5f7fb;
}

.hero {
    background: linear-gradient(135deg, #0d6efd, #6610f2);
    color: white;
    padding: 80px 20px;
    border-radius: 20px;
}

.card {
    border: none;
    border-radius: 18px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.btn {
    border-radius: 12px;
}