:root {
    --primary: #0d6efd;
    --secondary: #198754;
    --light: #f8f9fa;
    --dark: #212529;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: #f4f6f9;
}

.card {
    border: none;
    border-radius: 12px;
    transition: transform .2s ease, box-shadow .2s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0,0,0,.08);
}

.btn {
    border-radius: 30px;
    padding: 8px 20px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #4f9dff);
    border: none;
}

.navbar {
    border-radius: 0 0 15px 15px;
}

footer {
    margin-top: 60px;
}