:root{--gold:#E0A800;--ink:#0b0e0f;--dark:#101518;--paper:#f7f6f2;--text:#171b1c;--muted:#62696c;--max:1260px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--paper);color:var(--text);font-family:Inter,Arial,Helvetica,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
body.gallery-page{background:var(--dark);color:#f5f6f5}
a{color:inherit;text-decoration:none}
img{max-width:100%}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
[hidden]{display:none!important}
.wrap{width:min(var(--max),calc(100% - 48px));margin-inline:auto}
h1,h2,h3{font-family:'Playfair Display',Georgia,'Times New Roman',serif;line-height:1.13;letter-spacing:-.025em}
h1,h2,h3,p{margin-top:0}
.eyebrow{color:var(--gold);letter-spacing:.24em;text-transform:uppercase;font-size:.76rem;font-weight:800}
.section{padding:100px 0;scroll-margin-top:95px}
.section-title{font-size:clamp(2.3rem,4.3vw,4.25rem);margin:12px 0 18px}
.muted{color:var(--muted)}
/* Cabecera: visible con o sin JS */
.site-header{height:94px;position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(9,12,13,.94);border-bottom:1px solid rgba(255,255,255,.12);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.site-header .wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{display:inline-flex;gap:13px;align-items:center;flex-shrink:0;min-width:0;color:#fff}
.brand-mark{width:57px;height:66px;object-fit:contain;display:block;flex:0 0 auto}
.brand-copy{display:flex;flex-direction:column;line-height:1.06;white-space:nowrap}
.brand-primary,.brand-secondary{font-size:clamp(1rem,1.4vw,1.26rem);font-weight:800;letter-spacing:-.035em}
.brand-secondary{color:var(--gold)}
.brand-tagline{font-weight:500;color:#ddd;font-size:.62rem;line-height:1.45;letter-spacing:0;margin-top:5px}
.desktop-nav{display:flex;align-items:center;gap:clamp(16px,2.4vw,34px);color:#fff}
.desktop-nav a:not(.nav-cta){font-size:.73rem;letter-spacing:.2em;text-transform:uppercase;font-weight:800;white-space:nowrap}
.desktop-nav a:not(.nav-cta):hover,.desktop-nav a[aria-current="page"]{color:var(--gold)}
.nav-cta,.button-gold{background:var(--gold);color:#0c0c0c;border:1px solid var(--gold);font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.2em;display:inline-flex;align-items:center;justify-content:center;text-align:center;padding:15px 23px;transition:transform .2s,background .2s;color:#0c0c0c}
.nav-cta{border-radius:100px;white-space:nowrap;padding:13px 24px}
.nav-cta:hover,.button-gold:hover{background:#f1c132;transform:translateY(-2px)}
.menu-toggle{display:none;align-items:center;justify-content:center;border:1px solid #686e70;border-radius:8px;background:transparent;color:#fff;width:44px;height:44px;font-size:1.5rem}
.mobile-nav{display:none}
/* Portada: imagen de respaldo estática y slideshow progresivo */
.hero{position:relative;isolation:isolate;min-height:760px;min-height:100svh;background:#101313;color:#fff;overflow:hidden;display:flex;align-items:center;padding:140px 0 100px}
.hero-photos,.hero-shade,.hero-photos picture,.hero-photos img{position:absolute;inset:0;width:100%;height:100%}
.hero-photos{z-index:-2;background:#111615}
.hero-photos picture{opacity:0;transition:opacity 1.25s ease-in-out;pointer-events:none}
.hero-photos picture.is-active{opacity:1}
.hero-photos img{display:block;object-fit:cover;object-position:center;transform:scale(1);transition:transform 10s linear;filter:saturate(.93)}
.hero-photos picture.is-active img{transform:scale(1.07)}
.hero-shade{z-index:-1;background:linear-gradient(90deg,rgba(3,5,5,.75),rgba(3,5,5,.44) 50%,rgba(3,5,5,.68)),linear-gradient(0deg,rgba(4,5,5,.74),transparent 55%,rgba(4,5,5,.35))}
.hero-inner{text-align:center;position:relative;z-index:1;max-width:1100px;margin:auto}
.hero-eyebrow{margin-bottom:28px}
.hero-title{font-size:clamp(3.4rem,7.2vw,7.2rem);font-weight:700;line-height:1.05;letter-spacing:-.045em;margin-bottom:34px;text-wrap:balance}
.hero-title em{color:var(--gold);font-weight:400}
.hero-lead{max-width:760px;margin:0 auto 43px;font-size:clamp(1rem,1.55vw,1.38rem);font-weight:400;color:#f2f2f2;line-height:1.75}
.hero-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:18px}
.hero-actions .button-gold,.hero-actions .button-outline{min-height:62px;padding:18px 30px}
.button-outline{border:1px solid rgba(255,255,255,.92);background:rgba(8,10,10,.18);color:#fff;display:inline-flex;justify-content:center;align-items:center;text-align:center;font-size:.72rem;font-weight:800;letter-spacing:.19em;text-transform:uppercase;transition:background .2s,color .2s}
.button-outline:hover{background:#fff;color:#111}
.scroll-indicator{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);font-size:1.9rem;line-height:1;color:#fff;z-index:2}
/* Secciones principales */
.section-dark{background:#0b0e0f;color:#fff}
.about-grid{display:grid;grid-template-columns:1.02fr 1fr;align-items:center;gap:clamp(36px,6vw,95px)}
.about-grid h2{font-size:clamp(2.25rem,4vw,4.1rem);margin:16px 0 30px}
.about-grid h2 span{color:var(--gold)}
.about-grid p{color:#c9ced0;font-size:1.1rem;line-height:1.85;max-width:580px}
.about-list{list-style:none;margin:34px 0 0;padding:0;display:grid;gap:18px}
.about-list li{display:flex;align-items:center;gap:15px;font-size:.82rem;letter-spacing:.13em;text-transform:uppercase;font-weight:750}
.about-list li::before{content:"";width:39px;height:2px;background:var(--gold);flex:0 0 auto}
.about-photo{position:relative}
.about-photo img{display:block;width:100%;height:min(630px,70vw);object-fit:cover;object-position:center;border-radius:3px}
.about-photo::before{content:"";position:absolute;width:85px;height:85px;left:-16px;top:-16px;border-left:1px solid var(--gold);border-top:1px solid var(--gold);pointer-events:none}
.section-heading{text-align:center;max-width:900px;margin:0 auto 48px}
.project-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px}
.project-card{display:block;position:relative;aspect-ratio:4/5;overflow:hidden;border-radius:6px;background:#181b1c;isolation:isolate}
.project-card img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .65s ease}
.project-card::after{content:"";position:absolute;inset:20% 0 0;background:linear-gradient(to top,rgba(0,0,0,.88),rgba(0,0,0,.02));pointer-events:none}
.project-card:hover img{transform:scale(1.055)}
.project-text{position:absolute;inset:auto 22px 22px;z-index:1;color:#fff}
.project-text .eyebrow{font-size:.62rem;margin:0 0 8px}
.project-text h3{font-size:clamp(1.5rem,2.25vw,2rem);margin:0 0 5px}
.project-text span:last-child{color:#e5e8e9;font-size:.84rem}
.section-action{text-align:center;margin-top:42px}
.section-action .button-gold{min-height:55px}
.services-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.service-card{padding:38px 30px 43px;border:1px solid #394043;border-radius:4px;transition:border-color .25s,transform .25s;background:rgba(255,255,255,.02)}
.service-card:hover{border-color:var(--gold);transform:translateY(-3px)}
.service-card h3{font-size:1.72rem;margin:0 0 15px}
.service-card p{color:#bfc5c7;font-size:1rem;line-height:1.85;margin:0}
.contact-wrap{max-width:900px}
.contact-form{margin:48px 0 0}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.field{margin-bottom:29px}
.field label{display:block;text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;font-weight:800;margin-bottom:8px;color:#50595d}
.field input,.field select,.field textarea{display:block;width:100%;border:0;border-bottom:1px solid #8f9799;border-radius:0;background:transparent;padding:15px 0;min-height:50px;color:#171b1c;outline-offset:3px}
.field select{appearance:auto}
.field textarea{min-height:115px;resize:vertical}
.contact-submit{text-align:center;margin-top:22px}
.status-message{padding:16px 20px;margin:12px 0 0;border-radius:4px;background:#eef5f0;color:#164e27}
.status-message.is-error{background:#fff1f1;color:#8c1515}
.site-footer{background:#0a0d0e;border-top:1px solid #333;color:#fff;padding:42px 0}
.footer-inner{display:flex;justify-content:space-between;gap:25px;align-items:center}
.footer-brand{font-weight:800;letter-spacing:.04em}
.footer-brand strong{color:var(--gold)}
.footer-note{font-size:.82rem;color:#aeb4b7;margin:6px 0 0}
.footer-links{display:flex;flex-wrap:wrap;gap:22px;font-size:.81rem;font-weight:700}
.footer-links a:hover{color:var(--gold)}
.whatsapp-float{position:fixed;bottom:23px;right:23px;z-index:95;display:flex;align-items:center;justify-content:center;border-radius:50%;width:52px;height:52px;background:#23c65a;color:#fff;box-shadow:0 3px 16px rgba(0,0,0,.3)}
.whatsapp-float svg{width:30px;height:30px;fill:currentColor}
/* Portafolio: tarjetas independientes de JavaScript */
.gallery-header-spacer{height:94px}
.gallery-intro{background:#0c1113;padding:65px 0 32px;color:#fff}
.gallery-intro .eyebrow{margin:0 0 12px}
.gallery-intro h1{font-size:clamp(2.8rem,5.4vw,5rem);margin:0 0 16px}
.gallery-intro p{color:#b9c4c7;max-width:680px;font-size:1rem}
.gallery-controls{background:#0c1113;padding:14px 0 35px;border-bottom:1px solid #2d3436}
.gallery-control-inner{display:flex;justify-content:space-between;align-items:center;gap:25px;flex-wrap:wrap}
.filter-list{display:flex;gap:9px;flex-wrap:wrap}
.filter{padding:11px 20px;border:1px solid #647074;color:#fff;background:transparent;border-radius:32px;font-weight:750;font-size:.82rem}
.filter[aria-pressed="true"]{background:var(--gold);border-color:var(--gold);color:#0b0d0e}
.gallery-counter{color:var(--gold);font-size:.8rem;font-weight:850;letter-spacing:.09em;text-transform:uppercase}
.gallery-main{padding:44px 0 110px}
.media-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.media-card{background:#171e20;border:1px solid #2c383c;border-radius:9px;overflow:hidden;min-width:0}
.media-photo-link,.media-card video{display:block;width:100%;aspect-ratio:4/3;background:#0b1012}
.media-photo-link{overflow:hidden}
.media-photo-link img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s ease}
.media-photo-link:hover img{transform:scale(1.035)}
.media-card video{object-fit:contain;max-height:440px;outline:none}
.media-meta{padding:15px 18px 18px}
.media-kind{display:block;font-size:.69rem;color:var(--gold);font-weight:800;text-transform:uppercase;letter-spacing:.16em}
.media-title{color:#fff;font-size:1.16rem;margin:4px 0 0;line-height:1.35}
.media-subtitle{color:#a7b3b7;font-size:.81rem;margin:5px 0 0}
.lightbox{border:0;padding:0;background:#0d1011;color:#fff;box-shadow:0 10px 80px rgba(0,0,0,.5);max-width:min(1100px,96vw);max-height:96vh}
.lightbox::backdrop{background:rgba(0,0,0,.9)}
.lightbox img{display:block;max-width:93vw;max-height:87vh;width:auto;height:auto;object-fit:contain}
.lightbox-close{position:absolute;right:10px;top:10px;display:flex;align-items:center;justify-content:center;border:1px solid #888;background:#101010;color:#fff;border-radius:50%;width:40px;height:40px;font-size:1.45rem}
/* Tablet y teléfono */
@media(max-width:1050px){.desktop-nav{gap:15px}.desktop-nav a:not(.nav-cta){letter-spacing:.1em}.brand-tagline{display:none}.about-grid{gap:40px}.service-card{padding:28px 22px}}
@media(max-width:830px){.site-header{height:82px}.gallery-header-spacer{height:82px}.brand-mark{height:52px;width:45px}.brand-primary,.brand-secondary{font-size:1rem}.brand-tagline{display:block;font-size:.56rem}.desktop-nav{display:none}.menu-toggle{display:flex}.mobile-nav{display:none;position:absolute;left:0;right:0;top:100%;background:#0b0e0f;border-bottom:1px solid #414545;padding:20px 25px 28px}.mobile-nav.is-open{display:flex;flex-direction:column;align-items:stretch;gap:8px}.mobile-nav a{display:block;padding:12px;color:#fff;text-align:center;font-weight:750;text-transform:uppercase;font-size:.8rem;letter-spacing:.1em}.mobile-nav a.nav-cta{color:#080a0a}.hero{padding-top:132px;min-height:740px;min-height:100svh}.hero-title{font-size:clamp(2.9rem,8vw,5.4rem)}.about-grid{grid-template-columns:1fr}.about-photo img{height:480px}.project-grid,.services-grid,.media-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.section{padding:76px 0}}
@media(max-width:560px){.wrap{width:min(100% - 32px,var(--max))}.site-header{height:76px}.gallery-header-spacer{height:76px}.brand{gap:7px}.brand-mark{height:46px;width:41px}.brand-primary,.brand-secondary{font-size:.91rem}.brand-tagline{font-size:.49rem}.hero{min-height:690px;min-height:100svh;padding:124px 0 95px}.hero-photos img{object-position:center}.hero-title{font-size:clamp(2.65rem,12vw,4.2rem);margin-bottom:22px}.hero-eyebrow{font-size:.65rem;letter-spacing:.17em;margin-bottom:20px}.hero-lead{font-size:1rem;line-height:1.65;margin-bottom:27px}.hero-actions{gap:12px;flex-direction:column;max-width:360px;margin:0 auto}.hero-actions .button-gold,.hero-actions .button-outline{width:100%;min-height:52px;padding:14px 14px;font-size:.65rem;letter-spacing:.12em}.scroll-indicator{bottom:18px}.section{padding:66px 0}.section-title{font-size:2.5rem}.about-grid h2{font-size:2.5rem}.about-photo img{height:380px}.about-list li{font-size:.75rem}.project-grid,.services-grid,.media-grid{grid-template-columns:1fr}.project-card{aspect-ratio:4/4.1}.service-card{padding:26px}.form-row{grid-template-columns:1fr;gap:0}.footer-inner{align-items:flex-start;flex-direction:column}.whatsapp-float{width:46px;height:46px;right:15px;bottom:17px}.whatsapp-float svg{width:27px;height:27px}.gallery-intro{padding-top:45px}.gallery-intro h1{font-size:3.2rem}.filter{padding:10px 15px}.gallery-main{padding-top:27px;padding-bottom:100px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition-duration:.01ms!important}.hero-photos picture.is-active img{transform:none}}