body {
    font-family: Arial, sans-serif;
    margin: 0;
    background-color: #f4f4f4;
    color: #333;
    scroll-behavior: smooth;
}

header {
    background: #e0e0e0;
    padding: 20px;
    text-align: center;
    border-bottom: 3px solid #4a90e2;
}

nav ul {
    list-style: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #4a90e2;
}

section {
    padding: 40px 20px;
    background: white;
    margin: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}

.cards {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.card {
    background: #f0f0f0;
    padding: 20px;
    border-radius: 8px;
    flex: 1;
    min-width: 250px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.15);
}

.ia-img {
    width: 100%;
    max-height: 150px;
    object-fit: contain;
    margin: 10px 0;
}

button {
    background: #4a90e2;
    color: white;
    border: none;
    padding: 10px 15px;
    cursor: pointer;
    border-radius: 5px;
    transition: background 0.3s ease;
}

button:hover {
    background: #357abd;
}

input, textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 15px;
    margin-top: 20px;
}