/*
Theme Name: Estudio Zero Grados
Author: Estudio Zero Grados
Description: Tema a medida, una sola página. Negro, blanco y amarillo flúor.
Version: 1.0
*/

:root{
  --bg:#0b0b0c; --bg2:#141416; --fg:#f4f4f2; --mute:#8d8d92; --line:rgba(255,255,255,.12);
  --fluor:#e6ff00;
  --pad:clamp(20px,5vw,72px);
  --max:1320px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--fg);font-family:"Inter Tight",system-ui,sans-serif;font-size:18px;line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,video{display:block;max-width:100%}
em{font-style:normal;color:var(--fluor)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.label{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);font-weight:600}
.label b{color:var(--fluor);font-weight:600}

/* Header */
.hdr{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:22px var(--pad);transition:background .3s,padding .3s}
.hdr.solid{background:rgba(11,11,12,.86);backdrop-filter:blur(10px);padding-top:14px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:14px}
.brand img{height:34px;width:auto}
.brand span{font-weight:800;font-size:19px;letter-spacing:-.02em;line-height:1}
.brand small{display:block;font-size:10px;letter-spacing:.22em;font-weight:600;color:var(--mute);margin-top:3px}
.nav{display:flex;gap:34px;align-items:center;font-size:15px;font-weight:500}
.nav a:not(.btn){opacity:.75;transition:opacity .2s}
.nav a:not(.btn):hover{opacity:1}
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--fluor);color:#0b0b0c;font-weight:700;padding:14px 24px;border-radius:999px;font-size:15px;transition:transform .2s}
.btn:hover{transform:translateY(-2px)}
.btn.ghost{background:transparent;color:var(--fg);border:1px solid rgba(255,255,255,.35)}
.nav .btn{padding:10px 18px}

/* Hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden}
.bgvid{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero:after,.vsec:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,11,12,.55) 0%,rgba(11,11,12,.35) 40%,rgba(11,11,12,.95) 100%)}
.hero .wrap{position:relative;z-index:2;width:100%;padding-bottom:clamp(48px,9vh,110px)}
.hero h1{font-size:clamp(46px,8.6vw,138px);line-height:.92;letter-spacing:-.045em;font-weight:800;margin:22px 0 30px;max-width:13ch}
.hero p.lead{font-size:clamp(18px,1.7vw,23px);max-width:34ch;color:#d9d9d6}
.hero .ctas{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px}
.hero .bar{width:72px;height:4px;background:var(--fluor);margin-top:56px}

/* Sections */
section{position:relative}
.sec{padding:clamp(90px,14vw,190px) 0}
.big{font-size:clamp(36px,5.4vw,84px);line-height:1;letter-spacing:-.04em;font-weight:800}

/* Story */
.story{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(40px,7vw,120px);align-items:start}
.story .lines p{font-size:clamp(22px,2.3vw,34px);line-height:1.25;letter-spacing:-.02em;font-weight:500;color:#cfcfcc}
.story .lines p+p{margin-top:.35em}
.story .lines p.k{color:var(--fg);font-weight:700}
.story .punch{margin-top:56px;padding-top:32px;border-top:1px solid var(--line);font-size:clamp(20px,1.8vw,26px);color:var(--fg);font-weight:600;max-width:30ch}

/* Statement */
.statement{background:var(--fluor);color:#0b0b0c}
.statement .big{max-width:16ch}
.statement p{margin-top:28px;font-size:20px;font-weight:500;max-width:40ch}

/* Services */
.svc-head{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:60px;flex-wrap:wrap}
.svc-head p{max-width:36ch;color:var(--mute)}
.svc{display:grid;grid-template-columns:repeat(2,1fr);gap:2px;background:var(--line);border:1px solid var(--line)}
.card{position:relative;background:var(--bg);padding:clamp(28px,3.5vw,52px);min-height:360px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}
.card video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .6s;filter:grayscale(1) contrast(1.1)}
.card:hover video{opacity:.32}
.card > *:not(video){position:relative}
.card .n{font-size:14px;font-weight:700;color:var(--fluor);letter-spacing:.1em}
.card h3{font-size:clamp(28px,2.8vw,42px);letter-spacing:-.03em;line-height:1;font-weight:800;margin:70px 0 18px}
.card p{color:#c9c9c6;max-width:34ch}

.card.feat{grid-column:1/-1;min-height:480px}
.card.feat video{opacity:.38}
.card.feat:hover video{opacity:.5}
.card.feat:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,11,12,.85),rgba(11,11,12,.2));pointer-events:none}
.card.feat > *:not(video){z-index:1}
.card.feat h3{font-size:clamp(52px,7vw,110px);margin-top:90px}
.card.feat p{max-width:44ch;font-size:19px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.tags span{border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600}

/* Video section */
.vsec{min-height:86vh;display:flex;align-items:center;overflow:hidden}
.vsec .wrap{position:relative;z-index:2}
.vsec .big{max-width:15ch}
.vsec p{margin-top:26px;font-size:21px;max-width:38ch;color:#dcdcd8}

/* Filter */
.filter{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line);border:1px solid var(--line);margin-top:64px}
.filter > div{background:var(--bg);padding:clamp(28px,4vw,56px)}
.filter h3{font-size:clamp(24px,2.4vw,34px);font-weight:800;letter-spacing:-.03em;margin-bottom:28px}
.filter ul{list-style:none}
.filter li{padding:18px 0;border-top:1px solid var(--line);font-size:19px;color:#d4d4d0}
.filter li small{display:block;color:var(--mute);font-size:15px;margin-top:4px}
.filter .yes h3{color:var(--fluor)}

/* Works (subtle) */
.works{padding:clamp(70px,9vw,120px) 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden}
.works .wrap{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:36px;flex-wrap:wrap}
.works .wrap p{color:var(--mute);font-size:15px}
.track{display:flex;gap:14px;width:max-content;animation:slide 38s linear infinite}
.track.rev{animation-direction:reverse;animation-duration:44s;margin-top:14px}
.marquee:hover .track{animation-play-state:paused}
@keyframes slide{to{transform:translateX(-50%)}}
.tile{position:relative;width:300px;aspect-ratio:16/10;overflow:hidden;border-radius:6px;cursor:pointer;background:var(--bg2);flex:none}
.tile img,.tile video{width:100%;height:100%;object-fit:cover;filter:grayscale(1) brightness(.6);transition:filter .4s,transform .6s}
.tile:hover img,.tile:hover video{filter:none;transform:scale(1.04)}
.tile span{position:absolute;left:12px;bottom:10px;font-size:12px;font-weight:600;letter-spacing:.04em;opacity:0;transition:opacity .3s}
.tile:hover span{opacity:1}
.tile:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 55%,rgba(0,0,0,.75));opacity:0;transition:opacity .3s}
.tile:hover:after{opacity:1}
.tile span{z-index:2}
.names{margin-top:46px;white-space:nowrap;overflow:hidden}
.names .track{animation-duration:30s;gap:56px;font-size:clamp(28px,3.4vw,52px);font-weight:800;letter-spacing:-.03em;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.28)}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,3vw,48px);margin-top:64px}
.step{border-top:2px solid var(--fg);padding-top:26px}
.step b{display:block;font-size:14px;color:var(--fluor);letter-spacing:.1em;margin-bottom:22px}
.step h3{font-size:clamp(24px,2.2vw,32px);font-weight:800;letter-spacing:-.03em;line-height:1.05;margin-bottom:14px}
.step p{color:#c9c9c6}

/* About */
.about{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(40px,7vw,120px);align-items:center}
.about .mark{max-width:240px;opacity:.95}
.about p{font-size:clamp(20px,1.9vw,27px);line-height:1.35;letter-spacing:-.015em;color:#d4d4d0}
.about p+p{margin-top:.8em}
.about p strong{color:var(--fg)}

/* Contact */
.contact{text-align:left}
.contact .big{font-size:clamp(52px,10vw,170px);line-height:.9}
.contact .mail{display:inline-block;margin-top:48px;font-size:clamp(22px,3.2vw,46px);font-weight:700;letter-spacing:-.03em;border-bottom:3px solid var(--fluor);padding-bottom:6px;word-break:break-all}
.contact .mail:hover{color:var(--fluor)}
.contact p{margin-top:36px;color:var(--mute);max-width:44ch;font-size:19px}

footer{border-top:1px solid var(--line);padding:30px var(--pad);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:14px;color:var(--mute)}

/* Lightbox */
.lb{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.92);display:none;align-items:center;justify-content:center;padding:var(--pad)}
.lb.on{display:flex}
.lb .box{width:min(1200px,100%);aspect-ratio:16/9;background:#000}
.lb iframe,.lb video,.lb img{width:100%;height:100%;border:0;object-fit:contain}
.lb .x{position:absolute;top:18px;right:24px;font-size:34px;cursor:pointer;line-height:1;color:var(--fg);background:none;border:0}

/* Reveal */
.rv{opacity:0;transform:translateY(28px);transition:opacity .9s ease,transform .9s ease}
.rv.in{opacity:1;transform:none}

@media (max-width:900px){
  .nav a:not(.btn){display:none}
  .story,.about,.filter,.svc{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .card{min-height:280px}
  .card h3{margin-top:40px}
  .tile{width:220px}
  .about .mark{max-width:140px}
  .brand small{display:none}
}
.admin-bar .hdr{top:32px}
@media (max-width:782px){.admin-bar .hdr{top:46px}}
.only-touch{display:none}
@media (hover:none){
  .card video{opacity:.22}
  .tile img,.tile video{filter:grayscale(.6) brightness(.75)}
  .tile span{opacity:1}
  .tile:after{opacity:1}
  .only-touch{display:inline}.only-mouse{display:none}
}
@media (max-width:600px){
  body{font-size:17px}
  .card{min-height:0;padding:30px 24px 34px}
  .card h3{margin-top:28px}
  .card.feat{min-height:420px}
  .card.feat h3{margin-top:60px}
  .hero h1{margin:16px 0 22px}
  .hero .ctas .btn{flex:1 1 auto;justify-content:center}
  .hero .bar{margin-top:36px}
  .story .punch{margin-top:36px}
  .filter li{font-size:17px}
  .contact .mail{font-size:clamp(18px,5.6vw,28px)}
  footer{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  .track{animation:none}
  .rv{opacity:1;transform:none;transition:none}
}