*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, sans-serif;
    background-color: #f5f5f5;
    color: #222;
    padding: 20px;
}

.titulo-principal {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
}

.titulo-seccion {
    margin: 40px 0 20px;
    font-size: 1.8rem;
    border-left: 6px solid #000;
    padding-left: 12px;
}

.galeria {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 15px;
}

.galeria img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

@media (max-width: 768px) {
    .galeria img {
        height: 170px;
    }

    .titulo-principal {
        font-size: 2rem;
    }

    .titulo-seccion {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .galeria {
        grid-template-columns: repeat(auto-fill, minmax (150px, 1fr));
    }

    .galeria img {
        height: 140px;
    }
}