:root{
  --ink:#0C1B22;
  --ink-2:#13303A;
  --ink-3:#1C4450;
  --paper:#FAFAF8;
  --paper-2:#ECF0EC;
  --stone:#5B6A69;
  --stone-lite:#9FB0AC;
  --rule:#D7DED8;
  --rule-dark:rgba(255,255,255,.14);
  --accent:#1F7361;
  --accent-2:#67B9A2;
  --maxw:1220px;
  --gut:clamp(20px,5vw,60px);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:'IBM Plex Sans',system-ui,-apple-system,sans-serif;
  font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased;
  display:flex;flex-direction:column;min-height:100vh;
}
main{flex:1 0 auto;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;}
h1,h2,h3{font-family:'Spectral',Georgia,serif;font-weight:400;}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut);width:100%;}
.lab{
  font-family:'IBM Plex Mono',monospace;font-size:11px;font-weight:500;
  letter-spacing:.19em;text-transform:uppercase;color:var(--stone);margin:0;
}
.lab-a{color:var(--accent-2);}

/* ===== header ===== */
.top{background:var(--ink);position:sticky;top:0;z-index:60;}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;}
.brand{display:flex;align-items:baseline;gap:9px;text-decoration:none;color:#fff;}
.brand b{font-family:'Spectral',Georgia,serif;font-weight:600;font-size:21px;letter-spacing:.09em;text-transform:uppercase;}
.brand i{font-style:normal;font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.16em;color:var(--accent-2);text-transform:uppercase;}
.nav{display:flex;align-items:stretch;gap:2px;}
.nav a{
  display:flex;align-items:center;padding:0 16px;min-height:72px;
  font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.15em;
  text-transform:uppercase;color:#A9BEB9;text-decoration:none;
  border-bottom:2px solid transparent;transition:color .18s,border-color .18s,background .18s;
}
.nav a:hover,.nav a:focus-visible{color:#fff;background:rgba(255,255,255,.05);}
.nav a.on{color:#fff;border-bottom-color:var(--accent-2);}
.burger{display:none;background:none;border:1px solid var(--rule-dark);color:#fff;padding:9px 12px;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;cursor:pointer;}
@media(max-width:900px){
  .burger{display:block;}
  .nav{
    display:none;position:absolute;top:72px;left:0;right:0;background:var(--ink);
    flex-direction:column;gap:0;border-top:1px solid var(--rule-dark);padding-bottom:8px;
  }
  .nav.open{display:flex;}
  .nav a{min-height:auto;padding:15px var(--gut);border-bottom:1px solid var(--rule-dark);border-left:2px solid transparent;}
  .nav a.on{border-bottom-color:var(--rule-dark);border-left-color:var(--accent-2);}
}

/* ===== hero (home) ===== */
.hero{position:relative;background:var(--ink);overflow:hidden;}
.hero-bg{position:absolute;inset:0;}
.hero-bg img{width:100%;height:100%!important;object-fit:cover;object-position:58% 46%;filter:saturate(.42) contrast(1.06) brightness(.72);}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,27,34,.96) 0%,rgba(12,27,34,.92) 34%,rgba(12,27,34,.78) 60%,rgba(12,27,34,.66) 100%),radial-gradient(120% 90% at 18% 45%,rgba(12,27,34,.5) 0%,rgba(12,27,34,0) 70%);
}
.hero-inner{position:relative;padding-block:clamp(64px,11vh,124px) clamp(56px,9vh,104px);}
.hero-inner .wrap{max-width:var(--maxw);}
.hero h1{
  color:#fff;font-size:clamp(36px,5.4vw,66px);line-height:1.04;letter-spacing:-.02em;
  margin:20px 0 0;max-width:15ch;
}
.hero h1 em{font-style:normal;color:var(--accent-2);}
.hero .lede{margin:24px 0 0;max-width:48ch;color:#C8D6D1;font-size:clamp(16px,1.5vw,18.5px);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
.tick{
  position:relative;height:16px;margin-top:clamp(40px,6vh,64px);
  border-top:1px solid rgba(255,255,255,.28);
}
.tick::before{
  content:"";position:absolute;top:0;left:0;right:0;height:7px;
  background:repeating-linear-gradient(to right,rgba(255,255,255,.34) 0 1px,transparent 1px 40px);
}
.tick span{
  position:absolute;top:12px;left:0;
  font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--stone-lite);
}
.tick span.r{left:auto;right:0;}

/* ===== buttons ===== */
.btn{
  display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:11px;
  letter-spacing:.16em;text-transform:uppercase;text-decoration:none;
  padding:14px 24px;border:1px solid var(--ink);color:var(--ink);background:transparent;
  transition:background .2s,color .2s,border-color .2s;
}
.btn:hover,.btn:focus-visible{background:var(--ink);color:var(--paper);}
.btn.solid{background:var(--accent);border-color:var(--accent);color:#fff;}
.btn.solid:hover,.btn.solid:focus-visible{background:#fff;border-color:#fff;color:var(--ink);}
.btn.ghost{border-color:rgba(255,255,255,.42);color:#fff;}
.btn.ghost:hover,.btn.ghost:focus-visible{background:#fff;border-color:#fff;color:var(--ink);}

/* ===== stats band ===== */
.band{background:var(--ink-2);color:#fff;}
.band .wrap{display:grid;grid-template-columns:repeat(4,1fr);}
.band .cell{padding:34px 26px 38px 0;border-right:1px solid var(--rule-dark);}
.band .cell:last-child{border-right:0;padding-right:0;}
.band .n{
  font-family:'Spectral',Georgia,serif;font-size:clamp(28px,3.4vw,42px);
  font-weight:500;line-height:1;color:var(--accent-2);display:block;
}
.band .k{display:block;margin-top:12px;max-width:24ch;font-size:13.5px;line-height:1.5;color:#B7C8C3;}
.band-foot{border-top:1px solid var(--rule-dark);}
.band-foot .wrap{display:flex;flex-wrap:wrap;gap:8px 30px;justify-content:space-between;padding-block:16px;}
.band-foot p{margin:0;font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;color:var(--stone-lite);}
@media(max-width:900px){
  .band .wrap{grid-template-columns:repeat(2,1fr);}
  .band .cell:nth-child(2){border-right:0;}
  .band .cell:nth-child(-n+2){border-bottom:1px solid var(--rule-dark);}
  .band .cell{padding:26px 20px 28px 0;}
  .band .cell:nth-child(even){padding-right:0;padding-left:20px;}
}
@media(max-width:560px){
  .band .wrap{grid-template-columns:1fr;}
  .band .cell,.band .cell:nth-child(even){border-right:0;padding:22px 0 24px;border-bottom:1px solid var(--rule-dark);}
  .band .cell:last-child{border-bottom:0;}
}

/* ===== page header (interior) ===== */
.phead{background:var(--ink);color:#fff;padding-block:clamp(44px,7vw,78px) clamp(40px,6vw,66px);}
.phead h1{font-size:clamp(30px,4.4vw,50px);line-height:1.08;margin:16px 0 0;max-width:20ch;color:#fff;letter-spacing:-.015em;}
.phead .sub{margin:20px 0 0;max-width:56ch;color:#B7C8C3;font-size:16.5px;}
.phead .rule{height:1px;background:rgba(255,255,255,.2);margin-top:clamp(28px,4vw,42px);position:relative;}
.phead .rule::after{content:"";position:absolute;left:0;top:0;width:92px;height:2px;background:var(--accent-2);}

/* ===== sections ===== */
.sec{padding-block:clamp(52px,7vw,92px);}
.sec.alt{background:var(--paper-2);}
.sec.tight{padding-block:clamp(40px,5vw,66px);}
.shead{margin-bottom:clamp(28px,4vw,46px);}
.shead h2{font-size:clamp(24px,3vw,34px);line-height:1.16;margin:12px 0 0;max-width:24ch;}
.shead p{margin:16px 0 0;max-width:60ch;color:var(--stone);}

/* ===== service blocks ===== */
.blocks{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule);}
.blocks article{background:var(--paper);padding:clamp(26px,3vw,38px);}
.blocks .num{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.18em;color:var(--accent);}
.blocks h3{font-size:21px;font-weight:500;margin:14px 0 10px;line-height:1.26;}
.blocks p{margin:0;font-size:15.5px;color:var(--stone);}
.blocks ul{margin:16px 0 0;padding:0;list-style:none;border-top:1px solid var(--rule);}
.blocks li{padding:9px 0;border-bottom:1px solid var(--rule);font-size:14.5px;color:var(--ink);}
.blocks li::before{content:"—";color:var(--accent);margin-right:10px;}
@media(max-width:800px){.blocks{grid-template-columns:1fr;}}

/* ===== two-column prose ===== */
.two{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:clamp(30px,5vw,72px);align-items:start;}
.two p{margin:0 0 18px;}
.two p:last-child{margin-bottom:0;}
@media(max-width:880px){.two{grid-template-columns:1fr;}}

/* ===== data list ===== */
.dl-box{border-top:2px solid var(--ink);margin:0;}
.dl-box div{display:grid;grid-template-columns:130px 1fr;gap:10px 20px;padding:14px 0;border-bottom:1px solid var(--rule);align-items:baseline;}
.dl-box dt{margin:0;}
.dl-box dd{margin:0;font-size:15px;line-height:1.5;}
.dl-box.dark{border-top-color:var(--accent-2);}
.dl-box.dark div{border-bottom-color:var(--rule-dark);}
.dl-box.dark dd{color:#fff;}
.dl-box.dark a{color:#fff;text-decoration:none;border-bottom:1px solid var(--accent-2);}
.dl-box.dark a:hover,.dl-box.dark a:focus-visible{border-bottom-color:#fff;}
@media(max-width:520px){.dl-box div{grid-template-columns:1fr;gap:4px;}}

/* ===== works ===== */
.study{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(26px,4vw,56px);align-items:center;padding-block:clamp(34px,4vw,52px);border-bottom:1px solid var(--rule);}
.study:first-of-type{border-top:1px solid var(--rule);}
.study .sheet{border:1px solid var(--rule);background:#fff;padding:16px;}
.study h2{font-size:clamp(22px,2.6vw,29px);line-height:1.2;margin:14px 0 6px;}
.study .place{margin:0 0 16px;}
.study p.txt{margin:0 0 18px;color:var(--stone);font-size:15.5px;}
.study .facts{margin:0 0 22px;}
.dl-link{
  display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.15em;
  text-transform:uppercase;text-decoration:none;color:var(--accent);
  border-bottom:1px solid var(--accent-2);padding-bottom:4px;transition:color .2s,border-color .2s;
}
.dl-link:hover,.dl-link:focus-visible{color:var(--ink);border-bottom-color:var(--ink);}
@media(max-width:880px){.study{grid-template-columns:1fr;}}

/* ===== CTA strip ===== */
.cta{background:var(--ink-2);color:#fff;padding-block:clamp(44px,6vw,72px);}
.cta .wrap{display:flex;flex-wrap:wrap;gap:26px 48px;align-items:center;justify-content:space-between;}
.cta h2{color:#fff;font-size:clamp(23px,2.8vw,32px);line-height:1.2;margin:12px 0 0;max-width:26ch;}

/* ===== footer ===== */
.foot{background:var(--ink);color:#93A9A4;padding-block:38px 30px;margin-top:0;}
.foot .grid{display:flex;flex-wrap:wrap;gap:26px 60px;justify-content:space-between;padding-bottom:26px;border-bottom:1px solid var(--rule-dark);}
.foot .fnav{display:flex;flex-wrap:wrap;gap:8px 26px;}
.foot .fnav a{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:#93A9A4;text-decoration:none;}
.foot .fnav a:hover,.foot .fnav a:focus-visible{color:#fff;}
.foot .fbrand b{font-family:'Spectral',Georgia,serif;color:#fff;font-size:18px;letter-spacing:.09em;text-transform:uppercase;font-weight:600;}
.foot .fbrand p{margin:8px 0 0;font-size:13.5px;max-width:34ch;}
.foot .fbot{display:flex;flex-wrap:wrap;gap:8px 30px;justify-content:space-between;padding-top:22px;}
.foot .fbot p{margin:0;font-size:12px;}

/* ===== reveal ===== */
.rv{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease;}
.rv.in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none;}}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px;}

@media(max-width:700px){
  .tick{height:28px;}
  .tick span.r{display:none;}
  .hero-bg img{object-position:62% 46%;}
}

/* ===== home: quad de servicios ===== */
.quad{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule);}
.quad .q{background:var(--paper);padding:26px 24px 30px;text-decoration:none;color:inherit;display:block;transition:background .2s;}
.quad .q:hover,.quad .q:focus-visible{background:var(--paper-2);}
.quad .num{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.18em;color:var(--accent);}
.quad h3{font-family:'Spectral',Georgia,serif;font-size:19px;font-weight:500;margin:14px 0 9px;line-height:1.26;}
.quad p{margin:0;font-size:14.5px;color:var(--stone);line-height:1.55;}
@media(max-width:1000px){.quad{grid-template-columns:repeat(2,1fr);}}
@media(max-width:620px){.quad{grid-template-columns:1fr;}}

/* ===== home: triad ===== */
.triad{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(26px,3.5vw,52px);}
.triad article{border-top:2px solid var(--ink);padding-top:22px;}
.triad .num{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.17em;text-transform:uppercase;color:var(--accent);margin:0;}
.triad h3{font-family:'Spectral',Georgia,serif;font-size:21px;font-weight:500;margin:12px 0 10px;line-height:1.25;}
.triad p{margin:0;font-size:15.5px;color:var(--stone);}
.more{margin:clamp(30px,4vw,44px) 0 0;}
@media(max-width:880px){.triad{grid-template-columns:1fr;gap:28px;}}

/* ===== home: cabecera dentro de la banda ===== */
.band-head{padding-block:clamp(44px,6vw,72px) clamp(26px,3vw,38px);}
.band-head .lab{margin-bottom:14px;}
.band-head h2{color:#fff;font-size:clamp(24px,3vw,34px);line-height:1.16;margin:0;max-width:22ch;}
.band-head p{margin:0;max-width:54ch;color:#B7C8C3;font-size:16px;}
.bh-split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(24px,4vw,60px);align-items:end;}
@media(max-width:880px){.bh-split{grid-template-columns:1fr;gap:16px;align-items:start;}}
.band-head + .wrap{border-top:1px solid var(--rule-dark);}

/* ===== home: trabajos destacados ===== */
.feat{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(22px,3vw,38px);}
.fcard{display:block;text-decoration:none;color:inherit;background:var(--paper);border:1px solid var(--rule);transition:border-color .22s,transform .22s;}
.fcard:hover,.fcard:focus-visible{border-color:var(--accent-2);transform:translateY(-2px);}
.fcard .sheet{display:block;padding:16px 16px 0;}
.fcard .ft{display:block;padding:18px 22px 24px;}
.fcard .ft strong{display:block;font-family:'Spectral',Georgia,serif;font-weight:500;font-size:19.5px;line-height:1.28;margin:10px 0 8px;}
.fcard .ft em{display:block;font-style:normal;font-size:14.5px;color:var(--stone);line-height:1.55;}
@media(max-width:760px){.feat{grid-template-columns:1fr;}}

.band .wrap.band-head{display:block;}

.mail-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.btn.copy{font-family:'IBM Plex Mono',monospace;cursor:pointer;background:transparent;}