body {
    padding-top: 70px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f0f4f8 0%, #e1e9f0 100%);
}

.set img {
    height: 60px;
}

footer {
    background-color: #343a40;
    color: white;
    padding: 40px 0;
}

.section {
    /* display: none; */
    animation: fadeIn 0.5s ease-in;
}

.section.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card:hover {
    transform: translateY(-5px);
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

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

.hero-image {
    max-height: 400px;
    overflow: hidden;
}