/* Benamira - Galería (estilos de la página de galería + lightbox). */
:root {
    --cream:#F4EFE4;--cream-mid:#EDE7DA;--cream-dark:#E5DDD0;--dark:#1A1815;
    --earth:#7A5230;--earth-light:#9E6B40;--wheat:#D4B87A;
    --text:#2A2418;--text-muted:#79726A;
    --fd:'Cormorant Garamond',Georgia,serif;--fb:'DM Sans',system-ui,sans-serif;
    --ease-out:cubic-bezier(0.22,1,0.36,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--fb);background:var(--cream);color:var(--text);line-height:1.65;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}a{text-decoration:none}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;height:68px;z-index:200;display:flex;align-items:center;justify-content:space-between;padding:0 3.5rem;background:rgba(26,24,21,.96);backdrop-filter:blur(12px);box-shadow:0 1px 0 rgba(255,255,255,.06)}
.nav-logo{font-family:var(--fd);font-size:1.45rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:#fff}
.nav-logo .delta{color:var(--wheat);font-style:normal;margin:0 -0.03em}
.nav-list{list-style:none;display:flex;gap:2.8rem}
.nav-list a{font-size:.68rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.65);transition:color .2s;position:relative;text-decoration:none}
.nav-list a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:1px;background:var(--wheat);transition:width .3s var(--ease-out)}
.nav-list a:hover{color:#fff}.nav-list a:hover::after{width:100%}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;width:30px;height:22px;position:relative;z-index:201}
.nav-toggle span{display:block;width:100%;height:2px;background:#fff;position:absolute;left:0;transition:all .3s var(--ease-out)}
.nav-toggle span:nth-child(1){top:0}.nav-toggle span:nth-child(2){top:10px}.nav-toggle span:nth-child(3){top:20px}
.nav-toggle.active span:nth-child(1){top:10px;transform:rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){top:10px;transform:rotate(-45deg)}

/* PAGE HERO */
.page-hero{padding:calc(68px + 3.5rem) 0 2.5rem;background:#1A1815;text-align:center;color:#fff}
.page-hero h1{font-family:var(--fd);font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:300;letter-spacing:.18em;text-transform:uppercase;margin:0 0 .5rem}
.page-hero p{font-family:var(--fd);font-size:.9rem;font-style:italic;color:rgba(255,255,255,.4);margin:0}
.page-hero::after{content:'';display:block;width:36px;height:1px;background:var(--wheat);margin:1.2rem auto 0}

/* GALLERY GRID */
.container{max-width:1240px;margin:0 auto;padding:0 3.5rem}
.gallery-wrap{padding:4rem 0 6rem}
.gal-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem}
.gal-cell{overflow:hidden;cursor:pointer;position:relative;aspect-ratio:4/3;background:var(--cream-dark)}
.gal-cell img{width:100%;height:100%;object-fit:cover;filter:saturate(.85) brightness(.92);transition:transform .7s var(--ease-out),filter .5s}
.gal-cell:hover img{transform:scale(1.06);filter:saturate(1) brightness(1)}
.gal-cell::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(20,16,12,.3) 0%,transparent 50%);opacity:0;transition:opacity .4s}
.gal-cell:hover::after{opacity:1}
.gal-caption{position:absolute;bottom:.8rem;left:1rem;right:1rem;color:#fff;font-size:.75rem;letter-spacing:.08em;opacity:0;transition:opacity .4s;z-index:1;text-shadow:0 1px 3px rgba(0,0,0,.5)}
.gal-cell:hover .gal-caption{opacity:1}


/* BACK TO TOP */
.back-to-top{position:fixed;right:1.5rem;bottom:1.5rem;width:44px;height:44px;border-radius:50%;background:var(--dark);color:var(--wheat);border:1px solid rgba(212,184,122,.35);display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;pointer-events:none;transform:translateY(8px);transition:opacity .35s var(--ease-out),transform .35s var(--ease-out),background .25s ease,color .25s ease,border-color .25s ease;z-index:250;box-shadow:0 4px 16px rgba(0,0,0,.18)}
.back-to-top.visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.back-to-top:hover{background:var(--earth);color:#fff;border-color:var(--wheat)}
.back-to-top:focus-visible{outline:2px solid var(--wheat);outline-offset:3px}
@media (max-width:600px){.back-to-top{width:40px;height:40px;right:1rem;bottom:1rem}}
@media (prefers-reduced-motion:reduce){.back-to-top{transition:opacity .15s ease}}

/* SCROLL PROGRESS BAR */
.scroll-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:9999;background:rgba(0,0,0,0.04);pointer-events:none}
.scroll-progress__bar{height:100%;width:0%;background:linear-gradient(to right,var(--wheat),var(--earth-light));transition:width .08s linear;box-shadow:0 0 8px rgba(212,184,122,.35)}
@media (prefers-reduced-motion:reduce){.scroll-progress__bar{transition:none}}

/* LIGHTBOX */
.lb{display:none;position:fixed;inset:0;z-index:1000;background:rgba(10,8,6,.95);backdrop-filter:blur(8px);align-items:center;justify-content:center;flex-direction:column}
.lb.open{display:flex}
.lb-img-wrap{position:relative;max-width:90vw;max-height:80vh;display:flex;align-items:center;justify-content:center}
.lb-img-wrap img{max-width:90vw;max-height:80vh;object-fit:contain;border-radius:2px;opacity:0;transition:opacity .3s}
.lb-img-wrap img.loaded{opacity:1}
.lb-caption{color:rgba(255,255,255,.6);font-size:.85rem;margin-top:1.2rem;text-align:center;font-family:var(--fd);font-style:italic;letter-spacing:.04em}
.lb-counter{color:rgba(255,255,255,.35);font-size:.7rem;margin-top:.5rem;letter-spacing:.15em}
.lb-close{position:absolute;top:1.5rem;right:2rem;background:none;border:none;color:rgba(255,255,255,.6);font-size:2rem;cursor:pointer;z-index:1001;width:44px;height:44px;display:flex;align-items:center;justify-content:center;transition:color .2s}
.lb-close:hover{color:#fff}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);background:none;border:none;color:rgba(255,255,255,.5);font-size:2.5rem;cursor:pointer;padding:1rem;z-index:1001;transition:color .2s}
.lb-nav:hover{color:#fff}
.lb-prev{left:1rem}.lb-next{right:1rem}

/* FOOTER */
footer{background:#1A1815;color:rgba(255,255,255,.45);padding:5rem 0 2rem}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:3rem;margin-bottom:3rem}
.footer-logo{font-family:var(--fd);font-size:1.2rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:#fff;text-decoration:none}
.footer-logo .delta{color:var(--wheat)}
.footer-tagline{font-size:.82rem;line-height:1.7;margin-top:1rem;color:rgba(255,255,255,.35)}
.social-row{display:flex;gap:.75rem;margin-top:1.2rem}
.social-btn{width:34px;height:34px;border:1px solid rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.45);transition:border-color .2s,color .2s}
.social-btn:hover{border-color:var(--wheat);color:var(--wheat)}
.footer-col-head{font-family:var(--fd);font-size:.7rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.6);margin-bottom:1.2rem}
.footer-nav{list-style:none;padding:0;margin:0}
.footer-nav li{margin-bottom:.6rem}
.footer-nav a{font-size:.82rem;color:rgba(255,255,255,.4);transition:color .2s;text-decoration:none}
.footer-nav a:hover{color:rgba(255,255,255,.8)}
.footer-address{font-style:normal;font-size:.82rem;line-height:1.8}
.footer-address a{color:rgba(255,255,255,.4);text-decoration:none;transition:color .2s}
.footer-address a:hover{color:rgba(255,255,255,.8)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:2rem;text-align:center;font-size:.72rem;color:rgba(255,255,255,.25)}
.footer-bottom a{color:rgba(255,255,255,.35);text-decoration:none}
.footer-bottom a:hover{color:rgba(255,255,255,.6)}

@media(max-width:900px){
    .nav-list{display:none;position:fixed;top:68px;left:0;right:0;background:rgba(26,24,21,.98);flex-direction:column;align-items:center;padding:2rem 0;gap:1.5rem}
    .nav-list.open{display:flex}
    .nav-toggle{display:block}
    .gal-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}
}
@media(max-width:600px){
    .nav{padding:0 1.5rem}
    .gal-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.75rem}
    .lb-nav{font-size:1.8rem;padding:.5rem}
    .lb-close{font-size:1.5rem}
    .footer-grid{grid-template-columns:1fr;gap:2rem}
}