/* Irrational Lab — site styles
   Tipografías: Proxima Nova (Adobe Fonts, familia "proxima-nova") con Montserrat de respaldo.
   Display: Aktiv Grotesk (Adobe Fonts, reemplazo de Gosha Sans). Serif acento: Instrument Serif. Etiquetas: JetBrains Mono. */
:root{
  --ink:#0a0a0a; --ink-2:#141414; --ink-3:#1e1e1e;
  --paper:#efeeea; --paper-2:#e4e2dc;
  --white:#f6f5f1; --mute:#8d8a84; --mute-d:#5f5c57; --line-d:#2a2a2a; --line-l:#cfccc5;
  --red:#e0412f;
  --sans:'proxima-nova','Montserrat',system-ui,-apple-system,'Segoe UI',sans-serif;
  --display:'aktiv-grotesk','proxima-nova','Montserrat',system-ui,sans-serif;
  --serif:'Instrument Serif',Georgia,serif;
  --mono:'JetBrains Mono',ui-monospace,Menlo,monospace;
  --wrap:1240px; --gut:clamp(18px,4vw,48px);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--white);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:inherit}
::selection{background:var(--red);color:#fff}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}

/* grano de película sobre todo el sitio */
body::after{content:"";position:fixed;inset:-50%;z-index:100;pointer-events:none;opacity:.09;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 1.2s steps(6) infinite}
@keyframes grain{0%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-3%)}60%{transform:translate(-2%,-1%)}80%{transform:translate(3%,3%)}100%{transform:translate(0,0)}}

.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--gut)}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase}
.label{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--mute);display:flex;align-items:center;gap:10px}
.label .star{width:12px;height:12px;flex:none}
.label.red{color:var(--red)}
.bin{font-family:var(--mono);font-size:10.5px;color:var(--red);letter-spacing:.08em;opacity:.85}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.08;text-wrap:balance}
.display{font-family:var(--display);font-weight:700;letter-spacing:-.02em;line-height:.98}
.serif{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:0}
p{margin:0}
.lead{font-size:clamp(17px,1.6vw,20px);color:#c9c6bf;max-width:58ch}

/* ---------- nav ---------- */
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:rgba(10,10,10,.82);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line-d)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.nav .logo img{height:22px;width:auto}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:26px}
.nav ul a{text-decoration:none;font-size:14px;color:#cfcbc4}
.nav ul a:hover{color:#fff}
.nav .right{display:flex;align-items:center;gap:14px}
.lang{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-decoration:none;color:var(--mute);border:1px solid var(--line-d);padding:6px 9px}
.lang:hover{color:#fff;border-color:#555}
@media (max-width:900px){.nav ul{display:none}}

.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--sans);font-weight:600;font-size:15px;text-decoration:none;padding:14px 22px;border:1px solid var(--white);color:var(--ink);background:var(--white);transition:background .2s,color .2s,border-color .2s;cursor:pointer}
.btn:hover{background:var(--red);border-color:var(--red);color:#fff}
.btn.ghost{background:transparent;color:var(--white);border-color:#4a4a4a}
.btn.ghost:hover{border-color:var(--white);background:transparent}
.btn.sm{padding:9px 14px;font-size:13.5px}
.btn .arrow{transition:transform .2s}
.btn:hover .arrow{transform:translateX(3px)}
.light .btn{background:var(--ink);color:var(--white);border-color:var(--ink)}
.light .btn:hover{background:var(--red);border-color:var(--red)}
.light .btn.ghost{background:transparent;color:var(--ink);border-color:var(--line-l)}

/* ---------- hero ---------- */
.hero{position:relative;padding-block:clamp(56px,9vw,110px) clamp(56px,8vw,96px);overflow:hidden}
.hero .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,64px);align-items:center}
@media (max-width:960px){.hero .grid{grid-template-columns:1fr}}
.hero h1{font-size:clamp(42px,6.2vw,86px);margin-top:22px}
.hero h1 .serif{font-size:1.08em;color:#fff}
.hero .lead{margin-top:24px}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero .rays{position:absolute;right:-160px;top:-140px;width:520px;opacity:.07;pointer-events:none}
@media (prefers-reduced-motion:no-preference){.hero .rays{animation:spin 90s linear infinite}}
@keyframes spin{to{transform:rotate(360deg)}}

.video{position:relative;aspect-ratio:16/9;max-width:100%;background:#000;border:1px solid var(--line-d);overflow:hidden}
.video button{all:unset;position:absolute;inset:0;cursor:pointer;display:block}
.video img{width:100%;height:100%;object-fit:cover;filter:grayscale(.25) contrast(1.05);transition:transform .6s,filter .6s}
.video:hover img{transform:scale(1.03);filter:none}
.video .play{position:absolute;left:18px;bottom:18px;display:flex;align-items:center;gap:12px;font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#fff}
.video .play i{width:54px;height:54px;border-radius:50%;background:var(--white);display:grid;place-items:center}
.video .play i::before{content:"";border-left:14px solid var(--ink);border-top:9px solid transparent;border-bottom:9px solid transparent;margin-left:4px}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-cap{display:flex;justify-content:space-between;gap:12px;margin-top:10px}

/* ---------- logos ---------- */
.logos{border-block:1px solid var(--line-d);padding-block:28px;overflow:hidden}
.logos .track{display:flex;gap:56px;align-items:center;width:max-content}
@media (prefers-reduced-motion:no-preference){.logos .track{animation:marquee 40s linear infinite}}
@keyframes marquee{to{transform:translateX(-50%)}}
.logos img{height:34px;width:auto;opacity:.72;filter:grayscale(1) brightness(1.4)}
.logos .word{font-family:var(--display);font-weight:700;font-size:21px;letter-spacing:-.01em;opacity:.8;white-space:nowrap}

/* ---------- sections ---------- */
section{position:relative}
.sec{padding-block:clamp(72px,10vw,128px)}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,64px);align-items:end;margin-bottom:clamp(36px,5vw,60px)}
@media (max-width:860px){.sec-head{grid-template-columns:1fr}}
.sec-head h2{font-size:clamp(34px,4.6vw,60px);margin-top:16px}
.light{background:var(--paper);color:var(--ink)}
.light .lead{color:#48453f}
.light .label{color:var(--mute-d)}

/* para quién */
.who{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-l);border:1px solid var(--line-l)}
@media (max-width:860px){.who{grid-template-columns:1fr}}
.who article{background:var(--paper);padding:30px 28px 34px}
.who h3{font-size:22px;margin-top:40px}
.who p{margin-top:10px;color:#48453f;font-size:16px}
.who .n{font-family:var(--mono);font-size:12px;color:var(--red)}

/* casos */
.cases{display:grid;gap:20px}
.case{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(20px,4vw,48px);align-items:center;border-top:1px solid var(--line-d);padding-top:28px;text-decoration:none}
.case:nth-child(even) .case-media{order:-1}
@media (max-width:860px){.case{grid-template-columns:1fr}.case:nth-child(even) .case-media{order:0}}
.case .big{font-family:var(--display);font-weight:700;font-size:clamp(60px,9vw,128px);line-height:.9;letter-spacing:-.03em}
.case .big small{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);margin-top:12px;font-weight:400}
.case h3{font-size:clamp(24px,2.6vw,32px);margin-top:26px}
.case p{color:#bdb9b1;margin-top:10px;max-width:52ch}
.case .more{display:inline-flex;gap:8px;margin-top:20px;font-weight:600;font-size:15px;border-bottom:1px solid var(--red);padding-bottom:3px}
.case-media{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.case-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--line-d)}
.case-media img:first-child{grid-column:1/3}
.case:hover .more{color:var(--red)}

/* servicios */
.services{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:0;border-top:1px solid var(--line-l)}
.svc{padding:28px 24px 34px 0;border-bottom:1px solid var(--line-l);margin-right:24px}
.svc .k{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--red)}
.svc h3{font-size:24px;margin-top:14px}
.svc p{margin-top:10px;color:#48453f;font-size:16px}
.svc ul{margin:14px 0 0;padding:0;list-style:none;font-size:15px;color:#2d2b27}
.svc li{padding:6px 0;border-top:1px dashed var(--line-l)}

/* proceso */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:s}
@media (max-width:980px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}
.step{border-top:2px solid var(--red);padding-top:16px}
.step .n{font-family:var(--mono);font-size:12px;color:var(--mute)}
.step h3{font-size:20px;margin-top:10px}
.step p{margin-top:8px;color:#bdb9b1;font-size:15.5px}
.owned{margin-top:48px;display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center;border:1px solid var(--line-d);padding:26px 28px}
.owned img{width:84px;opacity:.9}
.owned h3{font-size:22px}
.owned p{color:#bdb9b1;margin-top:6px}
@media (max-width:560px){.owned{grid-template-columns:1fr}}

/* testimonios */
.quotes{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media (max-width:860px){.quotes{grid-template-columns:1fr}}
.q{background:var(--paper-2);padding:30px 30px 26px;display:flex;flex-direction:column;justify-content:space-between;gap:26px}
.q blockquote{margin:0;font-size:18px;line-height:1.55;color:#1f1e1b}
.q blockquote::before{content:"“";font-family:var(--serif);font-size:64px;line-height:.4;display:block;color:var(--red);margin-bottom:18px}
.q .who-q{display:flex;align-items:center;gap:14px}
.q img{width:48px;height:48px;border-radius:50%;object-fit:cover;filter:grayscale(1)}
.q b{display:block;font-size:15.5px}
.q span{font-size:13.5px;color:var(--mute-d)}

/* sobre */
.about{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,72px);align-items:center}
@media (max-width:860px){.about{grid-template-columns:1fr}}
.about .photo{position:relative}
.about .photo img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:50% 30%;filter:grayscale(.15)}
.about .photo .tag{position:absolute;left:14px;bottom:14px;background:var(--ink);padding:8px 12px}
.about h2{font-size:clamp(32px,4vw,52px);margin-top:16px}
.about p{margin-top:16px;color:#c9c6bf;max-width:60ch}
.about .quote{margin-top:28px;font-family:var(--serif);font-style:italic;font-size:clamp(24px,2.6vw,32px);line-height:1.2;color:#fff;border-left:2px solid var(--red);padding-left:18px}
.about .facts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px;border-top:1px solid var(--line-d);padding-top:20px}
.about .facts b{display:block;font-family:var(--display);font-size:30px}
.about .facts span{font-size:13.5px;color:var(--mute)}

/* faq */
.faq{border-top:1px solid var(--line-l)}
.faq details{border-bottom:1px solid var(--line-l);padding:20px 0}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;font-size:19px;font-weight:600}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);font-weight:400;color:var(--red);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin-top:12px;color:#48453f;max-width:72ch}

/* cta */
.cta{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,5vw,64px);align-items:center}
@media (max-width:860px){.cta{grid-template-columns:1fr}}
.cta h2{font-size:clamp(40px,5.6vw,76px)}
.cta .lead{margin-top:20px}
.cta .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.cta .contact{margin-top:28px;display:grid;gap:6px;font-size:15px;color:#bdb9b1}
.cta .contact a{text-decoration:none;border-bottom:1px solid var(--line-d)}
.cta img{width:100%;aspect-ratio:1/1;object-fit:cover;object-position:60% 40%}

/* footer */
footer{border-top:1px solid var(--line-d);padding-block:36px 48px}
footer .wrap{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:center}
footer img{height:18px;width:auto}
footer p{font-size:13px;color:var(--mute)}

/* case pages */
.crumb{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--mute);text-decoration:none}
.crumb:hover{color:#fff}
.c-hero h1{font-size:clamp(40px,5.8vw,80px);margin-top:18px}
.c-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:1px;background:var(--line-d);border:1px solid var(--line-d);margin-top:44px}
.c-stats div{background:var(--ink);padding:22px 22px}
.c-stats b{display:block;font-family:var(--display);font-size:clamp(34px,4vw,50px);line-height:1}
.c-stats span{display:block;margin-top:8px;font-size:13.5px;color:var(--mute)}
.c-body{display:grid;grid-template-columns:260px 1fr;gap:clamp(24px,5vw,64px)}
@media (max-width:860px){.c-body{grid-template-columns:1fr}}
.c-body h2{font-size:26px}
.c-body p{margin-top:12px;color:#48453f;max-width:66ch}
.c-body ul{margin:14px 0 0;padding-left:18px;color:#2d2b27}
.c-body li{margin:6px 0}
.c-block + .c-block{margin-top:44px;padding-top:36px;border-top:1px solid var(--line-l)}
.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.gallery a{text-decoration:none}
.gallery img{width:100%;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--line-d)}
.gallery span{display:block;font-size:14px;color:#bdb9b1;margin-top:8px}
.chart{margin-top:10px}
.chart svg{width:100%;height:auto}

/* reveal */
@media (prefers-reduced-motion:no-preference){
  .rv{opacity:1;transform:none;transition:opacity .8s ease,transform .8s ease}
    .logo-in{animation:blurin 1.4s cubic-bezier(.2,.7,.2,1) both}
  @keyframes blurin{from{filter:blur(12px);opacity:0;transform:translateX(-12px)}to{filter:none;opacity:1;transform:none}}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}