body {
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    margin: 0;
    padding: 20px;
}

/* Menú superior */
.menu-expediciones {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 25px;
}

.menu-expediciones a {
    background: #003366;
    color: white;
    padding: 8px 12px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 14px;
}

/* Botón Inicio */
.inicio {
    margin-bottom: 20px;
}

.inicio a {
    background: #cccccc;
    color: #003366;
    padding: 8px 12px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 14px;
}

/* Contenedor de tarjetas */
.contenedor {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

/* Tarjetas */
.card {
    width: 240px;
    background: white;
    border: 1px solid #ccc;
    border-radius: 10px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Imágenes 4:3 */
.card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

/* Contenido */
.card-content {
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.card-content h3 {
    margin: 0;
    color: #003366;
    font-size: 16px;
}

.card-content p {
    margin: 0;
    font-size: 13px;
    color: #333;
}

/* Botones en línea */
.card-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    gap: 10px;
}

.card-buttons a {
    flex: 1;
    text-align: center;
    padding: 8px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 13px;
}

.btn-detalles {
    background: #003366;
    color: white;
}

.btn-home {
    background: #cccccc;
    color: #003366;
}