body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.hero-section {
    background: url('https://images.unsplash.com/photo-1566073771259-6a8506099945?ixlib=rb-4.0.3&auto=format&fit=crop&w=1350&q=80') center/cover no-repeat;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.card {
    transition: transform 0.3s ease;
}

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

.navbar-brand {
    font-weight: bold;
}

footer {
    margin-top: auto;
}