.hero {
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('/images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    text-align: center;
    padding: 100px 0;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

section {
    padding: 80px 0;
}

.card {
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px);
}

footer {
    margin-top: 50px;
}