/* ============================================================
   Jardines de Carbajosa — sección "Avance de obra".
   Pegar al final de css/styles.css (tras tipologias.css y menu.css).
   Usa vuestras variables de color, así que respeta la marca.
   ============================================================ */

.avance .avance-intro {
    max-width: 720px;
    margin: 10px auto 0;
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text, #4e4e4e);
    opacity: .85;
    text-align: center;
}

/* --- pestañas de meses --- */
.avance .avance-meses {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin: 34px 0 6px;
}
.avance .avance-mes-btn {
    font-family: var(--font-primary, "Redaction", Georgia, "Times New Roman", serif);
    font-size: 16px;
    letter-spacing: .02em;
    color: var(--color-primary, #4e6735);
    background: transparent;
    border: 1px solid var(--color-primary-light, #6b8a4a);
    border-radius: 24px;
    padding: 8px 20px;
    cursor: pointer;
    transition: background-color .15s, color .15s, border-color .15s;
    white-space: nowrap;
}
.avance .avance-mes-btn:hover,
.avance .avance-mes-btn:focus-visible {
    background: var(--color-tertiary, #eeeddd);
}
.avance .avance-mes-btn[aria-selected="true"] {
    background: var(--color-primary, #4e6735);
    border-color: var(--color-primary, #4e6735);
    color: #ffffff;
}

/* --- galería del mes --- */
.avance .avance-galeria {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 14px;
    margin-top: 26px;
}
.avance .avance-galeria a {
    display: block;
    position: relative;
    overflow: hidden;
    border-radius: 6px;
    aspect-ratio: 4 / 3;
    background: var(--color-tertiary, #eeeddd);
}
.avance .avance-galeria img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .3s ease;
}
.avance .avance-galeria a:hover img,
.avance .avance-galeria a:focus-visible img {
    transform: scale(1.04);
}

.avance .avance-vacio {
    text-align: center;
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text, #4e4e4e);
    opacity: .75;
    margin: 40px auto 0;
    max-width: 560px;
}

@media (max-width: 767px) {
    .avance .avance-galeria {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 10px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .avance .avance-galeria img,
    .avance .avance-mes-btn {
        transition: none;
    }
}