/* ==========================================================================
   GALERÍA
   ========================================================================== */

.galeria-seccion {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
}

.galeria-header {
    text-align: center;
    margin-bottom: 40px;
}

.galeria-header h1 {
    font-size: 40px;
    color: #0095d9;
    font-weight: 700;
    margin-bottom: 25px;
    position: relative;
    display: inline-block;
}

.galeria-header h1::after {
    content: '';
    display: block;
    width: 50px;
    height: 4px;
    background-color: #0095d9;
    margin: 10px auto 0 auto;
    border-radius: 2px;
}

.galeria-subtitulo {
    font-size: 17px;
    color: #1e293b;
    margin-top: 15px;
}

/* ==========================================================================
   FILTROS
   ========================================================================== */

.filtros {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filtro-btn {
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    font-weight: 600;
    padding: 10px 24px;
    border: 2px solid #e2e8f0;
    border-radius: 50px;
    background: #ffffff;
    color: #64748b;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filtro-btn:hover {
    border-color: #0b8bc4;
    color: #0b8bc4;
}

.filtro-btn.activo {
    background: #0077a3;
    border-color: #0077a3;
    color: #ffffff;
}

/* ==========================================================================
   GRID DE GALERÍA
   ========================================================================== */

.galeria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.galeria-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4 / 3;
}

.galeria-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.galeria-item:hover img {
    transform: scale(1.08);
}

.galeria-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.75) 0%, transparent 50%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 25px;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.galeria-item:hover .galeria-overlay {
    opacity: 1;
}

.galeria-overlay h3 {
    color: #ffffff;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
}

.galeria-overlay p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
}

/* ==========================================================================
   LIGHTBOX
   ========================================================================== */

.lightbox {
    display: none;
    position: fixed;
    z-index: 1000;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.lightbox.mostrar {
    display: flex;
}

.lightbox-cerrar {
    position: absolute;
    top: 25px;
    right: 35px;
    color: #ffffff;
    font-size: 50px;
    font-weight: 300;
    cursor: pointer;
    transition: transform 0.3s ease;
    line-height: 1;
}

.lightbox-cerrar:hover {
    transform: rotate(90deg);
}

.lightbox-img {
    max-width: 90%;
    max-height: 85vh;
    border-radius: 12px;
    object-fit: contain;
}

.lightbox-caption {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.8);
    font-size: 16px;
    text-align: center;
}

/* ==========================================================================
   ANIMACIÓN DE ENTRADA
   ========================================================================== */

.galeria-item {
    opacity: 0;
    transform: translateY(30px);
    animation: galeriaEntrada 0.6s ease forwards;
}

.galeria-item:nth-child(1) { animation-delay: 0.05s; }
.galeria-item:nth-child(2) { animation-delay: 0.1s; }
.galeria-item:nth-child(3) { animation-delay: 0.15s; }
.galeria-item:nth-child(4) { animation-delay: 0.2s; }
.galeria-item:nth-child(5) { animation-delay: 0.25s; }
.galeria-item:nth-child(6) { animation-delay: 0.3s; }
.galeria-item:nth-child(7) { animation-delay: 0.35s; }
.galeria-item:nth-child(8) { animation-delay: 0.4s; }

@keyframes galeriaEntrada {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   RESPONSIVE - TABLET (768px - 1024px)
   ========================================================================== */
@media (max-width: 1024px) {
    .galeria-seccion {
        padding: 40px 20px;
    }

    .galeria-header h1 {
        font-size: 32px;
    }

    .galeria-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 18px;
    }
}

/* ==========================================================================
   RESPONSIVE - MÓVIL (< 768px)
   ========================================================================== */
@media (max-width: 768px) {
    .galeria-seccion {
        padding: 30px 15px;
    }

    .galeria-header {
        margin-bottom: 25px;
    }

    .galeria-header h1 {
        font-size: 28px;
    }

    .galeria-subtitulo {
        font-size: 15px;
    }

    .galeria-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 12px;
    }

    .galeria-item {
        aspect-ratio: 4 / 3;
        border-radius: 12px;
    }

    .galeria-overlay {
        opacity: 1;
        padding: 16px;
        background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 45%);
    }

    .galeria-overlay h3 {
        font-size: 14px;
    }

    .galeria-overlay p {
        font-size: 11px;
    }

    .filtros {
        gap: 8px;
        margin-bottom: 25px;
    }

    .filtro-btn {
        font-size: 12px;
        padding: 8px 16px;
    }

    .lightbox {
        padding: 15px;
    }

    .lightbox-cerrar {
        top: 15px;
        right: 15px;
        font-size: 36px;
    }

    .lightbox-caption {
        font-size: 13px;
        bottom: 20px;
        padding: 0 20px;
    }
}

/* ==========================================================================
   RESPONSIVE - MÓVIL PEQUEÑO (< 480px)
   ========================================================================== */
@media (max-width: 480px) {
    .galeria-header h1 {
        font-size: 24px;
    }

    .galeria-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 10px;
    }

    .filtro-btn {
        font-size: 11px;
        padding: 6px 12px;
    }
}