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

body {
    background-color: #ffffff;
    color: #003333;
}

/* HEADER */
.header {
    text-align: center;
    padding: 20px 10px;
}

.logo img {
    max-height: 80px;
    margin-bottom: 15px;
}

/* MENU */
.nav {
    display: flex;
    justify-content: center;
    gap: 35px;
    flex-wrap: wrap;
}

.nav a {
    color: #0000ff;
    text-decoration: none;
    font-size: 16px;
}

.nav a:hover {
    text-decoration: underline;
}

/* CONTENIDO */
.container {
    max-width: 1200px;
    margin: 60px auto;
    text-align: center;
}

.container h1 {
    font-size: 42px;
    margin-bottom: 60px;
}

/* CARDS */
.cards {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.card {
    width: 500px;
    height: 260px;
    background-color: #357ab8;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    text-decoration: none;
    border-radius: 6px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

/* RESPONSIVE */
@media (max-width: 1100px) {
    .card {
        width: 90%;
    }
}

.footer {
    margin-top: 80px;
    padding: 20px 10px;
    border-top: 1px solid #cccccc;
    background-color: #f8f9fa;
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: #555555;
}

.footer .divider {
    color: #aaaaaa;
}