:root{
  --bg:#F2F3F5;--surface:#FFFFFF;--text:#0E1219;--muted:#596070;--line:#D9DCE2;--strong-line:#0E1219;
  --btn-bg:#0E1219;--btn-text:#FFFFFF;--btn-hover:#2A3342;
  --btn2-line:#0E1219;--btn2-text:#0E1219;--btn2-hover:rgba(14,18,25,.06);
  --focus:#0E1219;
  --deep:#0E1219;--deep-text:#E6E8EC;--deep-muted:#9AA1AD;--deep-line:#2A3240;--header:rgba(14,18,25,.97);
  --accent:#F77420;
  --req-bg:#FFF4EC;--req-line:#B3541E;--req-text:#8A3D12;
  --field-bg:#FFFFFF;--error:#A3261A;--ok-bg:#EAF4EC;--ok-line:#2E7D4F;--ok-text:#1F5A38;
  --img-ring:rgba(14,18,25,.06);
  --font:"Archivo","Helvetica Neue",Arial,system-ui,sans-serif;
  --t-sm:.875rem;--t-md:1.125rem;--t-lg:1.3125rem;--t-4xl:3rem;
  --wrap:1200px;--gutter:clamp(20px,4vw,48px);--space:clamp(72px,10vw,136px);--radius:6px;
  color-scheme:light;
}
[data-theme="dark"]{
  --bg:#0B0F15;--surface:#131922;--text:#E8EAEE;--muted:#A3AAB6;--line:#252D39;--strong-line:#E8EAEE;
  --btn-bg:#FFFFFF;--btn-text:#0E1219;--btn-hover:#D9DCE2;
  --btn2-line:rgba(255,255,255,.55);--btn2-text:#FFFFFF;--btn2-hover:rgba(255,255,255,.08);
  --focus:#F77420;
  --deep:#131922;--deep-line:#2A3342;--header:rgba(11,15,21,.96);
  --req-bg:#2E1D10;--req-line:#C2692F;--req-text:#F5B98A;
  --field-bg:#0F141C;--error:#FF8A7A;--ok-bg:#12261A;--ok-line:#3FA46A;--ok-text:#9FE0B8;
  --img-ring:rgba(255,255,255,.08);
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:1rem;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--text);text-underline-offset:.2em;text-decoration-thickness:1px}
a:hover{text-decoration-color:var(--accent)}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:2px}
.deep :focus-visible,.site-header :focus-visible,.site-footer :focus-visible{outline-color:var(--accent)}
h1[tabindex="-1"]:focus{outline:none}
.skip{position:absolute;left:-9999px;top:8px;background:var(--btn-bg);color:var(--btn-text);padding:10px 14px;z-index:100}
.skip:focus{left:8px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.nowrap{white-space:nowrap}
h1,h2,h3{margin:0;font-weight:600;color:var(--text);text-wrap:balance}
.display{font-stretch:118%;font-weight:620;letter-spacing:-.022em;line-height:1.05;font-size:clamp(2.125rem,4.4vw,3.5rem)}
.h2{font-stretch:114%;font-weight:600;letter-spacing:-.015em;line-height:1.12;font-size:clamp(1.75rem,3.2vw,var(--t-4xl))}
.h3{font-stretch:108%;font-weight:600;line-height:1.25;font-size:var(--t-lg)}
.lede{font-size:clamp(var(--t-md),1.7vw,var(--t-lg));line-height:1.55;color:var(--muted);max-width:38em}
p{margin:0 0 1em;max-width:68ch}
.muted{color:var(--muted)}
.small{font-size:var(--t-sm)}
.section-head .h2::after,.rule::after{content:"";display:block;width:44px;height:3px;background:var(--accent);margin-top:20px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:var(--radius);font:inherit;font-weight:600;font-stretch:106%;text-decoration:none;cursor:pointer;border:1.5px solid transparent;transition:background-color .15s,color .15s}
.btn-primary{background:var(--btn-bg);color:var(--btn-text);border-color:var(--btn-bg)}
.btn-primary:hover{background:var(--btn-hover);border-color:var(--btn-hover);color:var(--btn-text)}
.btn-secondary{background:transparent;color:var(--btn2-text);border-color:var(--btn2-line)}
.btn-secondary:hover{background:var(--btn2-hover);color:var(--btn2-text)}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

/* Deep (always-dark) surfaces */
.deep{background:var(--deep);color:var(--deep-text)}
.deep h1,.deep .h2,.deep .h3{color:#fff}
.deep .lede,.deep .muted{color:var(--deep-muted)}
.deep a{color:#fff}
.deep .btn-primary{background:#fff;color:#0E1219;border-color:#fff}
.deep .btn-primary:hover{background:#D9DCE2;border-color:#D9DCE2;color:#0E1219}
.deep .btn-secondary{border-color:rgba(255,255,255,.55);color:#fff}
.deep .btn-secondary:hover{background:rgba(255,255,255,.08);color:#fff}

.required{display:inline-block;border:1.5px dashed var(--req-line);color:var(--req-text);background:var(--req-bg);padding:2px 8px;border-radius:3px;font-size:var(--t-sm);font-weight:500;line-height:1.5}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:var(--header);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--deep-line)}
.site-header .wrap{display:flex;align-items:center;gap:12px;height:76px}
.logo{display:inline-flex;flex-direction:column;align-items:flex-start;gap:7px;text-decoration:none;margin-right:auto}
.logo img{height:26px;width:auto}
.logo span{font-size:.5rem;letter-spacing:.19em;font-weight:500;color:#AEB4BF;white-space:nowrap}
.nav{display:flex;align-items:center;gap:2px}
.nav a{color:#E6E8EC;text-decoration:none;font-weight:500;padding:10px 11px;border-radius:4px}
.nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.nav a[aria-current="page"]{color:#fff;box-shadow:inset 0 -2px 0 var(--accent);border-radius:0}
.nav a.btn{margin-left:10px;min-height:42px;padding:0 16px;background:#fff;color:#0E1219;border-color:#fff}
.nav a.btn:hover{background:#D9DCE2;color:#0E1219}
.tools{display:flex;align-items:center;gap:2px;margin-left:6px;padding-left:10px;border-left:1px solid var(--deep-line)}
.tool{display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:44px;padding:0 8px;border-radius:var(--radius);background:transparent;border:0;color:#E6E8EC;font:inherit;font-size:.875rem;font-weight:600;letter-spacing:.04em;cursor:pointer;text-decoration:none}
.tool:hover{background:rgba(255,255,255,.08);color:#fff}
.tool svg{width:19px;height:19px}
.theme-toggle .sun{display:none}
[data-theme="dark"] .theme-toggle .sun{display:block}
[data-theme="dark"] .theme-toggle .moon{display:none}
.menu-toggle{display:none;background:none;border:1.5px solid #3A4250;border-radius:var(--radius);min-height:44px;padding:0 14px;font:inherit;font-weight:600;color:#fff;cursor:pointer}

section{padding:var(--space) 0}
.section-head{max-width:760px;margin-bottom:56px}
.section-head .h2{margin-bottom:18px}

/* Hero */
.hero{padding:clamp(56px,7vw,96px) 0 var(--space)}
.hero-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:clamp(40px,6vw,88px);align-items:center}
.hero .display{margin-bottom:28px;font-size:clamp(2.125rem,3.7vw,3.25rem)}
:lang(es) .hero .display{font-size:clamp(2rem,3.2vw,2.75rem)}
.ownership-line{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);font-size:var(--t-sm);color:var(--muted);max-width:44em}
.ownership-line strong{color:var(--text);font-weight:600}
.deep .ownership-line{border-top-color:var(--deep-line);color:var(--deep-muted)}
.deep .ownership-line strong{color:#fff}
.media{margin:0}
.media img{width:100%;height:auto;border-radius:8px;box-shadow:0 0 0 1px var(--img-ring)}
.deep .media img{box-shadow:0 0 0 1px rgba(255,255,255,.08)}

/* Stack */
.stack{list-style:none;margin:0;padding:0;position:relative;display:flex;flex-direction:column;align-items:center;gap:8px}
.stack::before{content:"";position:absolute;top:24px;bottom:24px;left:50%;width:1.5px;background:var(--line);transform:translateX(-50%)}
.stack::after{content:"";position:absolute;left:50%;top:24px;width:9px;height:9px;margin-left:-4.5px;border-radius:50%;background:var(--accent);opacity:0;pointer-events:none}
.layer{position:relative;width:var(--w);display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;padding:8px 14px;background:var(--surface);border:1px solid var(--line);border-radius:3px;font-size:var(--t-sm);font-weight:600;font-stretch:106%}
.layer .n{font-weight:500;color:var(--muted);font-variant-numeric:tabular-nums}
.layer.gateway{border-color:var(--strong-line);border-width:1.5px}
.layer.act{background:var(--accent);border-color:var(--accent);color:#0E1219}
.layer.act .n{color:rgba(14,18,25,.7)}
@media (prefers-reduced-motion:no-preference){
  .js .stack .layer{opacity:.35;transition:opacity .45s ease}
  .js .stack.lit .layer{opacity:1}
  .js .stack.lit::after{animation:travel 2.4s cubic-bezier(.55,.1,.35,1) .2s 1 forwards}
  @keyframes travel{0%{opacity:0;top:24px}8%{opacity:1}92%{opacity:1}100%{opacity:0;top:calc(100% - 30px)}}
}

/* Spec rows */
.spec{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:clamp(32px,5vw,72px);margin:0}
.spec-row{display:grid;grid-template-columns:minmax(0,17ch) minmax(0,1fr);gap:20px;padding:22px 0;border-top:1px solid var(--line)}
.spec-row dt{font-weight:600;font-stretch:110%;line-height:1.35}
.spec-row dd{margin:0;color:var(--muted)}

/* Pipeline (deep band) */
.pipeline{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.pipeline li{position:relative;padding:26px 24px 30px 0;border-top:1.5px solid var(--deep-line)}
.pipeline li::before{content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:50%;background:var(--deep-line)}
.pipeline li:last-child::before{background:var(--accent)}
.pipeline .step{display:block;font-size:var(--t-sm);color:var(--deep-muted);margin-bottom:8px}
.pipeline .h3{font-size:var(--t-md);margin-bottom:8px}
.pipeline p{font-size:.9375rem;color:var(--deep-muted);margin:0}

/* Product */
.product-feature{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(40px,6vw,88px);align-items:center}
.product-name{font-stretch:125%;font-weight:720;letter-spacing:.04em;font-size:clamp(2rem,4vw,3.25rem);line-height:1;margin:0 0 10px}
.product-sub{font-weight:500;font-stretch:108%;color:var(--muted);margin-bottom:24px;font-size:var(--t-md)}

.proof{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:48px clamp(32px,4vw,56px)}
.proof h3{margin-bottom:10px}
.proof p{color:var(--muted);margin:0}

.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1.5px solid var(--strong-line);margin:40px 0 0}
.facts div{padding:22px 24px 18px 0}
.facts dt{font-size:var(--t-sm);color:var(--muted);margin-bottom:6px}
.facts dd{margin:0;font-weight:600;font-stretch:108%;font-size:var(--t-lg);line-height:1.3}
.company-grid .facts dd{font-size:var(--t-md)}
.official{margin-top:56px;padding:28px 32px;background:var(--surface);border-left:3px solid var(--accent)}
.official p{font-size:var(--t-md);margin:0;max-width:none}
.official .label{font-size:var(--t-sm);color:var(--muted);margin-bottom:10px;display:block;font-weight:400}

.page-head{padding:clamp(56px,8vw,104px) 0 clamp(40px,5vw,64px);border-bottom:1px solid var(--line)}
.page-head .display{margin-bottom:22px}
.page-head.split .wrap{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(40px,6vw,88px);align-items:center}
.page-head .media.portrait{max-width:340px;justify-self:end}

.principles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 clamp(32px,5vw,72px)}
.principles div{padding:28px 0;border-top:1px solid var(--line)}
.deep .principles div{border-top-color:var(--deep-line)}
.principles h3{margin-bottom:8px}
.principles p{color:var(--muted);margin:0}
.deep .principles p{color:var(--deep-muted)}

.stack-detail{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:clamp(40px,6vw,88px);align-items:start}
.stack-detail .stack{position:sticky;top:112px}
.explain{list-style:none;margin:0;padding:0}
.explain li{display:grid;grid-template-columns:3ch minmax(0,1fr);gap:16px;padding:24px 0;border-top:1px solid var(--line)}
.explain .n{color:var(--muted);padding-top:2px}
.explain h3{margin-bottom:6px}
.explain p{margin:0;color:var(--muted)}

.company-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(40px,6vw,88px);align-items:center}
.figure-wide{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(40px,6vw,88px);align-items:center}
.andy{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:clamp(40px,6vw,88px);align-items:center}
.flow{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.flow li{padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-radius:3px}
.flow li:last-child{background:var(--btn-bg);border-color:var(--btn-bg);color:var(--btn-text)}
.flow li:last-child .muted{color:var(--btn-text);opacity:.8}
.flow .step{display:block;font-size:var(--t-sm);margin-bottom:6px;opacity:.75}
.flow strong{display:block;font-stretch:108%;margin-bottom:4px}
.module-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.module-cards figure{margin:0}
.module-cards img{width:100%;height:auto;aspect-ratio:505/269;object-fit:cover;object-position:left center;border-radius:6px}
.module-cards figcaption{margin-top:14px;color:var(--muted);max-width:36ch}

.team{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:48px clamp(24px,3vw,40px)}
.person .photo{aspect-ratio:4/5;background:var(--surface);border:1px solid var(--line);border-radius:4px;display:flex;align-items:center;justify-content:center;padding:16px;text-align:center;margin-bottom:18px}
.person h3{margin-bottom:2px}
.person .role{font-weight:600;margin-bottom:10px}
.person p{color:var(--muted);font-size:.9375rem}

.contact-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(40px,6vw,88px)}
.contact-list{margin:0}
.contact-list div{padding:18px 0;border-top:1px solid var(--line)}
.contact-list dt{font-size:var(--t-sm);color:var(--muted);margin-bottom:4px}
.contact-list dd{margin:0;font-weight:500}
.form{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-weight:600;font-size:var(--t-sm)}
.field input,.field select,.field textarea{font:inherit;color:var(--text);background:var(--field-bg);border:1.5px solid var(--line);border-radius:var(--radius);padding:12px 14px;min-height:48px}
.field textarea{min-height:150px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--text);box-shadow:0 0 0 3px var(--img-ring)}
.field .error{color:var(--error);font-size:var(--t-sm);min-height:1.2em}
.field [aria-invalid="true"]{border-color:var(--error)}
.form-status{grid-column:1/-1;padding:14px 16px;border-radius:var(--radius);display:none}
.form-status.show{display:block}
.form-status.dev{background:var(--req-bg);border:1.5px dashed var(--req-line);color:var(--req-text)}
.form-status.ok{background:var(--ok-bg);border:1.5px solid var(--ok-line);color:var(--ok-text)}

.legal{max-width:760px}
.legal h2{font-size:var(--t-lg);font-stretch:108%;margin:40px 0 12px}
.legal ul{padding-left:1.2em;margin:0 0 1em}
.legal li{margin-bottom:6px;max-width:66ch}

.closing{padding:clamp(56px,7vw,96px) 0;border-top:1px solid var(--line)}
.closing .wrap{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.closing .h2{max-width:16em}

.site-footer{background:var(--deep);color:var(--deep-muted);padding:64px 0 32px;border-top:1px solid var(--deep-line)}
.footer-grid{display:grid;grid-template-columns:minmax(0,5fr) repeat(3,minmax(0,2fr));gap:32px}
.footer-logo{display:inline-flex;flex-direction:column;align-items:flex-start;gap:9px;text-decoration:none}
.footer-logo img{height:32px;width:auto}
.footer-logo span{font-size:.625rem;letter-spacing:.17em;color:var(--deep-muted)}
.site-footer h2{font-size:var(--t-sm);font-weight:600;color:#fff;margin-bottom:12px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:8px}
.site-footer a{color:var(--deep-text);text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--accent)}
.footer-owner{margin-top:18px;font-size:var(--t-sm);max-width:34em}
.footer-bottom{margin-top:48px;padding-top:20px;border-top:1px solid var(--deep-line);font-size:var(--t-sm);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

@media (max-width:1100px){ .nav a{padding:10px 8px} .nav a.btn{margin-left:6px;padding:0 12px} }
@media (max-width:1024px){
  .hero-grid,.product-feature,.stack-detail,.contact-grid,.page-head.split .wrap,.company-grid,.figure-wide,.andy{grid-template-columns:1fr}
  .page-head .media.portrait{justify-self:start}
  .stack-detail .stack{position:static;max-width:520px}
  .pipeline{grid-template-columns:repeat(2,minmax(0,1fr))}
  .proof{grid-template-columns:repeat(2,minmax(0,1fr))}
  .team{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-grid > div:first-child{grid-column:1/-1}
}
@media (max-width:980px){
  .menu-toggle{display:inline-flex;align-items:center}
  .tools{border-left:0;padding-left:0;margin-left:0}
  .nav{display:none;position:absolute;top:76px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--deep);border-bottom:1px solid var(--deep-line);padding:12px var(--gutter) 20px;gap:0}
  .nav.open{display:flex}
  .nav a{padding:14px 4px;border-bottom:1px solid var(--deep-line);border-radius:0}
  .nav a[aria-current="page"]{box-shadow:inset 3px 0 0 var(--accent);padding-left:14px}
  .nav a.btn{margin:16px 0 0;border-radius:var(--radius)}
  .spec,.principles{grid-template-columns:1fr}
}
@media (max-width:760px){ .module-cards{grid-template-columns:1fr} }
@media (max-width:600px){
  .logo span{display:none}
  .spec-row{grid-template-columns:1fr;gap:6px}
  .pipeline,.proof,.team,.facts{grid-template-columns:1fr}
  .pipeline li{padding-right:0}
  .form{grid-template-columns:1fr}
  .actions .btn{flex:1 1 100%}
  .official{padding:22px 20px}
  .footer-grid{grid-template-columns:1fr}
}