body{background-color:#1a1a1a;color:#f0f0f0;margin:0;font-family:sans-serif}.gallery-hero{min-height:70vh;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}.gallery-hero-content{position:relative;z-index:3;display:flex;flex-direction:column;align-items:center}.gallery-hero-logo{max-width:250px;margin-bottom:80px}.gallery-hero-title{font-size:2.8rem;color:#fff;text-align:center}.gallery-hero-subtitle{font-size:1.2rem;max-width:600px;margin-top:15px;color:#eee;text-align:center}.filter-container{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;padding:20px;margin-bottom:20px}.filter-btn{padding:10px 20px;background-color:#333;color:#fff;border:1px solid #555;border-radius:20px;text-decoration:none;font-weight:700;transition:all 0.3s ease}.filter-btn:hover{background-color:#555;border-color:#777}.filter-btn.active{background-color:var(--color-primario-vivo);border-color:var(--color-primario-vivo);color:#fff;transform:scale(1.05)}.no-images-message{text-align:center;width:100%;padding:20px}.gallery-hero .hero-background-slideshow{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1}.gallery-hero .hero-bg-slide{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transform:scale(1.1);opacity:0;transition:opacity 1.5s ease-in-out}.gallery-hero .hero-bg-slide.active{opacity:1}.gallery-hero .hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,0.8);z-index:2}.gallery-container{width:80%;margin:40px auto}.grid{column-count:6;column-gap:20px}.grid-item{width:100%;margin-bottom:20px;break-inside:avoid;display:inline-block}.grid-item img{width:100%;height:auto;display:block;border-radius:4px}@media (max-width:1600px){.gallery-container{width:90%}.grid{column-count:5}.gallery-hero-logo{width:200px}.gallery-hero-title{font-size:1.8rem}}@media (max-width:1200px){.grid{column-count:4}}@media (max-width:992px){.gallery-container{width:95%}.grid{column-count:3}}@media (max-width:900px){.grid{column-count:3}}@media (max-width:480px){.grid{column-count:2}h1{font-size:1.8rem}}.back-to-home-container{text-align:center;margin:40px 0;padding:20px}.back-to-home-btn{display:inline-block;background-color:#333;color:#fff;padding:15px 40px;font-weight:700;text-decoration:none;border-radius:4px;transition:background-color .3s ease,transform .3s ease}.back-to-home-btn:hover{background-color:#000;transform:translateY(-3px)}.lightbox-backdrop{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.9);z-index:1000;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity 0.3s ease}.lightbox-backdrop.is-visible{opacity:1}.lightbox-content{max-width:90vw;max-height:85vh;transform:scale(0.95);transition:transform 0.3s ease}.lightbox-backdrop.is-visible .lightbox-content{transform:scale(1)}.lightbox-close,.lightbox-prev,.lightbox-next{position:absolute;color:#fff;background:rgba(0,0,0,0.4);border:none;cursor:pointer;font-size:2rem;transition:background-color 0.2s ease;min-width:48px;min-height:48px;display:flex;align-items:center;justify-content:center}.lightbox-close:hover,.lightbox-prev:hover,.lightbox-next:hover{background:rgba(0,0,0,0.7)}.lightbox-close{top:15px;right:20px;padding:0 12px;border-radius:50%}.lightbox-prev,.lightbox-next{top:50%;transform:translateY(-50%);padding:10px 15px;border-radius:5px}.lightbox-prev{left:20px}.lightbox-next{right:20px}body.lightbox-open{overflow:hidden}