.header-coleccion {
    text-align: center;
    padding: 60px 20px 40px;
    background-color: var(--fondo-crema);
}

.header-coleccion h1 {
    font-family: var(--fuente-titulos);
    font-size: 36px;
    font-weight: 400;
    color: var(--texto-oscuro);
    margin-bottom: 15px;
}

.header-coleccion p {
    font-family: var(--fuente-textos);
    color: #666;
    margin-bottom: 40px;
}

.filtros-categoria {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.filtro-btn {
    background: transparent;
    border: none;
    font-family: var(--fuente-textos);
    font-size: 13px;
    color: #888;
    cursor: pointer;
    padding-bottom: 5px;
    transition: all 0.3s ease;
}

.filtro-btn:hover, .filtro-btn.activo {
    color: var(--texto-oscuro);
    border-bottom: 1px solid var(--boton-arena);
}

.galeria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 40px;
    padding: 20px 8% 80px;
    background-color: var(--fondo-crema);
}

.tarjeta-marco {
    background: #fff;
    border: 1px solid #e5e1d8;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tarjeta-marco:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.05);
}

.imagen-contenedor {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.textura-demo {
    width: 100%;
    height: 100%;
}

.info-marco {
    padding: 30px 25px;
}

.etiqueta-uso {
    display: block;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--boton-arena);
    margin-bottom: 10px;
}

.info-marco h2 {
    font-family: var(--fuente-titulos);
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 15px;
}

.info-marco p {
    font-size: 13px;
    line-height: 1.6;
    color: #555;
    margin-bottom: 25px;
}

.enlace-sutil {
    font-size: 12px;
    color: var(--texto-oscuro);
    text-decoration: none;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: color 0.3s;
}

.enlace-sutil:hover {
    color: var(--boton-arena);
}