html,
body {
    height: 100%;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: #f8fafc;
}

main {
    flex: 1;
}

.hero {
    background: linear-gradient(135deg, #0d6efd, #3b82f6);
    color: #fff;
    padding: 90px 0;
}

.section {
    padding: 80px 0;
}

.feature-card {
    border: none;
    box-shadow: 0 0.25rem 1rem rgba(0, 0, 0, 0.08);
    transition: transform 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-6px);
}

.hero-image {
    font-size: 10rem;
    opacity: 0.85;
}

footer {
    background: #343a40;
    color: #fff;
}