* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background-color: #f4f6f9;
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.header {
    background-color: #1a1e29;
    color: #fff;
    text-align: center;
    padding: 2.5rem 1rem;
}

.header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.header p {
    color: #a0aec0;
    font-size: 1rem;
}

.container {
    flex: 1;
    max-width: 1200px;
    width: 90%;
    margin: 2rem auto;
}

.grid-modulos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.card {
    background: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-content {
    padding: 1.25rem;
}

.card-content h2 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: #1a1e29;
}

.card-content p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.5;
}

.footer {
    background-color: #1a1e29;
    color: #a0aec0;
    text-align: center;
    padding: 1.5rem;
    font-size: 0.85rem;
}