/* Propuesta 3 · "Ingeniería": editorial. La serifa del logotipo como voz,
   la geometría del triángulo como trazo de plano, bloques negros para el ritmo. */
:root{
  --paper:#F4F4F2;
  --white:#FFFFFF;
  --ink:#1E1B1C;
  --ink-2:#5C5658;
  --line:#D9D6D5;
  --red:#FD3340;
  --red-ink:#C91D2A;
  --f-display:"Cormorant","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --f-body:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"DM Mono",ui-monospace,Consolas,monospace;
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{overflow-x:clip}
.wrap>*,section>*{min-width:0}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.65 var(--f-body);-webkit-font-smoothing:antialiased}
a{color:inherit}
img,svg{max-width:100%}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}
.wrap{max-width:1280px;margin-inline:auto;padding-inline:32px}
h1,h2,h3{font-family:var(--f-display);font-weight:600;margin:0;line-height:1;text-wrap:balance;letter-spacing:-.015em}
h2{font-size:clamp(40px,5.4vw,72px)}
h3{font-size:30px;font-weight:600}
p{margin:0;text-align:justify;-webkit-hyphens:auto;hyphens:auto}
.kicker{font:500 12px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);display:flex;gap:12px;align-items:center}
.kicker::before{content:"";width:28px;height:1.5px;background:var(--red)}
.ph{background:rgba(253,51,64,.12);padding:0 4px;font-style:normal}
.link{display:inline-flex;gap:10px;align-items:center;font:600 15px var(--f-body);text-decoration:none;border-bottom:1.5px solid var(--ink);padding-bottom:4px}
.link:hover{color:var(--red-ink);border-color:var(--red)}
.btn{display:inline-flex;gap:10px;align-items:center;font:600 15px/1 var(--f-body);text-decoration:none;padding:17px 26px;border-radius:999px;background:var(--ink);color:var(--white);border:0;cursor:pointer;transition:background .2s}
.btn:hover{background:var(--red-ink)}
.btn-ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--white)}


header.site{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(244,244,242,.9);backdrop-filter:blur(8px)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:18px;position:relative;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none}
.brand svg{width:48px;height:auto}
.brand span{font:600 21px/1.05 var(--f-display);letter-spacing:.04em;text-transform:uppercase}
.brand span small{display:block;font-size:13.5px;letter-spacing:.16em}
.menu{display:flex;gap:26px;align-items:center;font-size:15px}
.menu a{text-decoration:none}
.menu a:not(.btn):hover{color:var(--red-ink)}
.menu .btn{padding:12px 20px;font-size:14px}
.burger{display:none}
@media (max-width:1020px){
  .burger{display:block;background:none;border:1.5px solid var(--ink);border-radius:999px;padding:9px 16px;font:600 13px var(--f-body);cursor:pointer;color:var(--ink)}
  .menu{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:flex-start;gap:12px;background:var(--paper);padding:16px 32px 28px;border-bottom:1px solid var(--line)}
  .menu.open{display:flex}
}

/* Hero */
.hero{padding-block:64px 0;position:relative}
.hero .grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:end}
.hero h1{font-size:clamp(54px,8.6vw,128px);font-weight:600;line-height:.92;letter-spacing:-.025em;margin-top:26px}
.hero h1 i{font-style:italic;font-weight:500;color:var(--red)}
.hero .intro{display:grid;gap:26px;padding-bottom:12px}
.hero .intro p{font-size:19px;color:var(--ink-2);max-width:42ch}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap}
.drawing{margin-top:56px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;overflow:hidden;background:var(--white)}
.drawing svg{display:block;width:100%;height:auto}
.drawing .draw{stroke-dasharray:2400;stroke-dashoffset:0;animation:draw 2.6s cubic-bezier(.6,.1,.2,1) both}
.drawing .draw.d2{animation-delay:.5s}
@keyframes draw{from{stroke-dashoffset:2400}to{stroke-dashoffset:0}}
.drawing figcaption{position:absolute;right:20px;bottom:14px;font:400 11px var(--f-mono);color:var(--ink-2);letter-spacing:.08em}

/* Pilares */
.pillars{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-bottom:1px solid var(--line)}
.pillar{padding:44px 36px 48px 0;display:grid;gap:14px;align-content:start}
.pillar+.pillar{padding-left:36px;border-left:1px solid var(--line)}
.pillar h3{font-size:40px}
.pillar h3::after{content:".";color:var(--red)}
.pillar p{color:var(--ink-2)}

section{padding-block:112px}

/* Manifiesto */
.manifest .wrap{display:grid;grid-template-columns:3fr 9fr;gap:48px;align-items:start}
.manifest .wrap>.kicker{margin-top:18px}
.manifest blockquote{margin:0;font:500 clamp(30px,3.6vw,50px)/1.15 var(--f-display);letter-spacing:-.01em;text-wrap:balance}
.manifest blockquote em{color:var(--red-ink)}
.manifest .cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;margin-top:40px;color:var(--ink-2);max-width:900px}

/* Soluciones */
.solutions{background:var(--ink);color:var(--paper)}
.solutions .kicker{color:#B8B1B3}
.solutions .top{display:flex;justify-content:space-between;align-items:end;gap:32px;flex-wrap:wrap;margin-bottom:64px}
.solutions .top p{max-width:40ch;color:#B8B1B3}
.sol-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:1px solid #3A3536}
.sol{padding:40px 32px 44px 0;display:grid;gap:18px;align-content:start}
.sol+.sol{padding-left:32px;border-left:1px solid #3A3536}
.sol .lab{font:400 12px var(--f-mono);color:var(--red);letter-spacing:.1em;text-transform:uppercase}
.sol h3{font-size:clamp(32px,3vw,42px);color:var(--white)}
.sol p{color:#B8B1B3}
.sol ul{list-style:none;padding:0;margin:0;display:grid;gap:0;font-size:15px}
.sol li{padding:10px 0;border-top:1px solid #3A3536}
.sol .link{color:var(--white);border-color:var(--white);justify-self:start;margin-top:8px}
.sol .link:hover{color:var(--red);border-color:var(--red)}

/* Método */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;counter-reset:s}
.step{display:grid;gap:12px;align-content:start;padding-top:22px;border-top:2px solid var(--ink)}
.step:first-child{border-color:var(--red)}
.step .n{font:600 64px/1 var(--f-display);color:var(--red)}
.step h3{font-size:28px}
.step p{color:var(--ink-2);font-size:15.5px}
.step small{font:400 12px var(--f-mono);color:var(--ink-2);letter-spacing:.06em}
.method .head{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px;align-items:end;margin-bottom:56px}
.method .head p{color:var(--ink-2);max-width:48ch}

/* Sectores */
.sectors{background:var(--white);border-block:1px solid var(--line)}
.sectors .head{display:flex;justify-content:space-between;align-items:end;gap:32px;flex-wrap:wrap;margin-bottom:40px}
.sectors .head p{max-width:42ch;color:var(--ink-2)}
.sector{border-top:1px solid var(--line)}
.sector:last-child{border-bottom:1px solid var(--line)}
.sector button{all:unset;box-sizing:border-box;cursor:pointer;width:100%;display:grid;grid-template-columns:60px 1fr auto;gap:20px;align-items:center;padding:22px 0}
.sector button:focus-visible{outline:2px solid var(--red);outline-offset:4px}
.sector .idx{font:400 12px var(--f-mono);color:var(--ink-2)}
.sector .name{font:600 clamp(28px,3.6vw,48px)/1 var(--f-display);transition:color .2s,transform .3s}
.sector button:hover .name{color:var(--red-ink);transform:translateX(8px)}
.sector .plus{width:34px;height:34px;border-radius:50%;border:1.5px solid var(--ink);display:grid;place-items:center;font:400 20px/1 var(--f-body);transition:transform .3s,background .2s}
.sector button[aria-expanded="true"] .plus{transform:rotate(45deg);background:var(--ink);color:var(--white)}
.sector .detail{display:grid;grid-template-columns:60px 1fr;gap:20px;padding-bottom:28px}
.sector .detail[hidden]{display:none}
.sector .detail p{color:var(--ink-2);max-width:62ch}

/* Por qué */
.why .wrap{display:grid;grid-template-columns:4fr 8fr;gap:56px}
.why-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:44px 40px}
.why-list div{display:grid;gap:10px;align-content:start}
.why-list h3{font-size:30px}
.why-list p{color:var(--ink-2)}
.why .stats{display:grid;gap:26px;margin-top:40px}
.why .stats b{display:block;font:600 64px/1 var(--f-display)}
.why .stats span{font:400 12px var(--f-mono);color:var(--ink-2);letter-spacing:.08em;text-transform:uppercase}

/* Casos */
.cases-head{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap;margin-bottom:40px}

/* Caso destacado */
.feature{display:grid;grid-template-columns:5fr 7fr;background:var(--white);border:1px solid var(--line)}
.feature-img{display:block;overflow:hidden;background:var(--ink);min-height:100%}
.feature-img img{display:block;width:100%;height:100%;max-height:560px;object-fit:cover;transition:transform .6s}
.feature-img:hover img{transform:scale(1.03)}
.feature-body{padding:48px 52px;display:grid;gap:22px;align-content:center}
.feature .sec{font:400 12px var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--red-ink)}
.feature h3{font-size:clamp(32px,3.4vw,48px);line-height:1.02}
.feature p{color:var(--ink-2);max-width:56ch}
.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:6px 0 4px;border-top:1px solid var(--line)}
/* dt antes que dd en el HTML; column-reverse pone la cifra arriba */
.kpis div{padding:16px 16px 0 0;display:flex;flex-direction:column-reverse;justify-content:flex-end}
.kpis div+div{padding-left:16px;border-left:1px solid var(--line)}
.kpis dt{font:400 11px/1.3 var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2)}
.kpis dd{margin:0 0 6px;font:600 36px/1 var(--f-display);color:var(--ink)}
.feature .link{justify-self:start}
.feature+.feature{margin-top:24px}
/* Segundo caso: foto a la derecha para alternar */
.feature.alt{grid-template-columns:7fr 5fr}
.feature.banner{display:block}
.banner-head{padding:22px 52px;display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.banner-img{display:block;border-top:1px solid var(--line)}
.banner-img img{display:block;width:100%;height:auto}
.foot-tel{font-weight:600}
.feature.alt .feature-img{order:2}

/* Contacto */
.contact{background:var(--ink);color:var(--paper)}
.contact .wrap{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:72px}
.contact h2{font-size:clamp(48px,7vw,104px);line-height:.95;color:var(--white)}
.contact h2 i{color:var(--red);font-weight:500}
.contact .kicker{color:#B8B1B3}
.contact .addr{margin-top:44px;display:grid;gap:22px;font-size:17px}
.contact .addr span{display:block;font:400 11px var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:#B8B1B3;margin-bottom:4px}
.contact .ph{background:rgba(253,51,64,.25)}
form.f{display:grid;gap:26px;align-content:start}
.field{display:grid;gap:4px}
.field label{font:400 11px var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:#B8B1B3}
.field input,.field textarea{background:transparent;border:0;border-bottom:1.5px solid #4A4446;color:var(--white);font:400 19px var(--f-body);padding:10px 0;width:100%;border-radius:0}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--red)}
.check{display:flex;gap:10px;font-size:13.5px;color:#B8B1B3}
.check input{accent-color:var(--red)}
.contact .btn{background:var(--red);justify-self:start}
.contact .btn:hover{background:var(--white);color:var(--ink)}
.info-rgpd{font-size:12.5px;line-height:1.5;color:#8F888A;margin-top:-10px}
.info-rgpd a,.check a{color:inherit}
.btn:disabled{opacity:.6;cursor:wait}
.form-ok{border-left:3px solid var(--red);padding:8px 14px;color:var(--white);font-size:15px}

footer{background:var(--paper);padding-block:64px 28px}
.foot{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr 1.4fr;gap:40px}
.foot h4{margin:0 0 16px;font:400 11px var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.foot a{text-decoration:none}
.foot a:hover{color:var(--red-ink)}
.news{display:flex;border-bottom:1.5px solid var(--ink);margin-top:12px}
.news input{flex:1;min-width:0;background:transparent;border:0;padding:10px 0;font:400 16px var(--f-body);color:var(--ink)}
.news input:focus{outline:none}
.news button{background:none;border:0;font:600 15px var(--f-body);cursor:pointer;color:var(--ink)}
.news-note{font-size:12.5px;line-height:1.5;color:var(--ink-2);margin-top:10px}
.legal{margin-top:56px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--ink-2)}
.legal nav{display:flex;gap:18px;flex-wrap:wrap}
.legal a{text-decoration:none}

@media (max-width:960px){
  .hero .grid,.manifest .wrap,.method .head,.why .wrap,.contact .wrap{grid-template-columns:minmax(0,1fr);gap:32px}
  .pillars,.sol-grid{grid-template-columns:minmax(0,1fr)}
  .pillar,.pillar+.pillar,.sol,.sol+.sol{padding:32px 0;border-left:0}
  .pillar+.pillar{border-top:1px solid var(--line)}
  .sol+.sol{border-top:1px solid #3A3536}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sector .detail{grid-template-columns:minmax(0,1fr)}
  .feature,.feature.alt{grid-template-columns:minmax(0,1fr)}
  .feature.alt .feature-img{order:0}
  .feature-img img{max-height:380px;object-position:center 30%}
  .feature-body{padding:32px 24px}
  .banner-head{padding:18px 24px}
  .kpis{grid-template-columns:repeat(2,minmax(0,1fr))}
  .kpis div:nth-child(3){padding-left:0;border-left:0}
  .foot{grid-template-columns:repeat(2,minmax(0,1fr))}
  section{padding-block:80px}
}
@media (max-width:560px){
  .wrap{padding-inline:16px}
  .menu{padding-inline:16px}
  .steps,.why-list,.manifest .cols,.foot{grid-template-columns:minmax(0,1fr)}
  .sector button{grid-template-columns:34px 1fr auto;gap:12px}
  .drawing svg{height:230px}
  .drawing figcaption{display:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

/* Página de caso de éxito */
.crumbs{font:400 12px var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);display:flex;gap:10px;flex-wrap:wrap}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--red-ink)}
.case-hero{padding-block:56px 0}
.case-hero .grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:end}
.case-hero h1{font-size:clamp(48px,7vw,104px);line-height:.94;letter-spacing:-.025em;margin-top:22px}
.case-hero h1 i{font-style:italic;font-weight:500;color:var(--red)}
.case-hero .lead{font-size:19px;color:var(--ink-2);max-width:44ch;padding-bottom:10px}
.case-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-block:1px solid var(--line);margin-top:56px}
.case-stats div{padding:28px 24px 30px 0;display:flex;flex-direction:column-reverse;justify-content:flex-end}
.case-stats div+div{padding-left:24px;border-left:1px solid var(--line)}
.case-stats dt{font:400 12px var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2)}
.case-stats dd{margin:0 0 8px;font:600 clamp(40px,4.4vw,60px)/1 var(--f-display)}
.case-stats dd small{font-size:.5em;margin-left:2px}
.chapter{display:grid;grid-template-columns:3fr 9fr;gap:48px;padding-block:88px;border-bottom:1px solid var(--line)}
.chapter>.kicker{margin-top:14px;align-self:start}
.chapter h2{font-size:clamp(34px,4vw,54px)}
.chapter .txt{display:grid;gap:20px;max-width:68ch;margin-top:26px;color:var(--ink-2)}
.chapter .txt b{color:var(--ink);font-weight:600}
.photos{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:40px}
.photos.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.photos.one{grid-template-columns:minmax(0,1fr)}
.photos.one img{aspect-ratio:4/3}
.photos figure{margin:0}
.photos img{display:block;width:100%;aspect-ratio:3/4;object-fit:cover;background:var(--line)}
.photos figcaption{font:400 12px/1.5 var(--f-mono);color:var(--ink-2);margin-top:10px;letter-spacing:.02em}
.spec{list-style:none;padding:0;margin:32px 0 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px}
.spec li{padding:14px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;color:var(--ink)}
.spec li span{font:400 12px var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);align-self:center}
.pull{margin:0;font:500 clamp(28px,3.4vw,46px)/1.15 var(--f-display);letter-spacing:-.01em;text-wrap:balance;max-width:28ch}
.pull em{color:var(--red-ink)}
.case-cta{background:var(--ink);color:var(--paper)}
.case-cta .wrap{display:flex;justify-content:space-between;align-items:end;gap:32px;flex-wrap:wrap}
.case-cta h2{color:var(--white);max-width:16ch}
.case-cta h2 i{color:var(--red);font-weight:500}
.case-cta .btn{background:var(--red)}
.case-cta .btn:hover{background:var(--white);color:var(--ink)}
@media (max-width:960px){
  .case-hero .grid,.chapter{grid-template-columns:minmax(0,1fr);gap:24px}
  .case-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .case-stats div:nth-child(3){padding-left:0;border-left:0}
  .case-stats div:nth-child(n+3){border-top:1px solid var(--line)}
  .chapter{padding-block:64px}
  .photos.three{grid-template-columns:repeat(2,minmax(0,1fr))}
  .spec{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:560px){
  .photos,.photos.three{grid-template-columns:minmax(0,1fr)}
  .photos img{aspect-ratio:4/3}
}

/* Páginas legales */
.legal-doc{max-width:860px;padding-block:56px 96px}
.legal-doc h1{font-size:clamp(44px,6vw,80px);margin-top:28px;letter-spacing:-.02em}
.legal-doc .updated{font:400 12px var(--f-mono);letter-spacing:.06em;color:var(--ink-2);margin:16px 0 40px}
.legal-doc h2{font-size:clamp(28px,3vw,36px);margin:48px 0 16px}
.legal-doc p,.legal-doc li{color:var(--ink-2)}
.legal-doc p+p{margin-top:14px}
.legal-doc ul{padding-left:20px;margin:14px 0;display:grid;gap:8px}
.legal-doc b{color:var(--ink);font-weight:600}
.legal-doc table{border-collapse:collapse;width:100%;font-size:15.5px;margin:16px 0}
.legal-doc th,.legal-doc td{text-align:left;vertical-align:top;padding:12px 16px 12px 0;border-top:1px solid var(--line)}
.legal-doc th{font:400 11px/1.6 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);white-space:nowrap;padding-top:15px}
.legal-doc .idtable th{width:120px}
.legal-doc .ptable td{width:auto}
.tablewrap{overflow-x:auto}