:root{
  --bg:#F3F5F8; --ink:#0B1B33; --ink-deep:#06122A; --band:#E4EAF2;
  --body:#3B4759; --muted:#56637A; --rule:#D5DCE6; --rule-2:#C3CDDA;
  --accent:#1F5FA8; --accent-hover:#174A85; --accent-on-dark:#8EC0F0;
  --on-dark:#F3F5F8; --on-dark-body:#C3CEDD; --on-dark-muted:#9AA9BF;
  --line-dark:#22375A; --line-darker:#1C2E4A;
  --serif:'Newsreader',Georgia,'Times New Roman',serif;
  --sans:'IBM Plex Sans','Helvetica Neue',Helvetica,Arial,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;
  --pad-x:clamp(20px,6.5vw,96px);
  --section-y:clamp(72px,9vw,120px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--accent)}
a:hover{color:var(--accent-hover)}
:focus-visible{outline:2px solid var(--accent-on-dark);outline-offset:3px}
.light :focus-visible,.light:focus-visible{outline-color:var(--accent)}
h1,h2,h3{font-family:var(--serif);font-weight:500;margin:0}
p{margin:0}
.wrap{padding-left:var(--pad-x);padding-right:var(--pad-x)}
.kicker{font-family:var(--mono);font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.dark .kicker{color:var(--accent-on-dark)}
.h2{font-size:clamp(34px,4.2vw,52px);line-height:1.08;letter-spacing:-.015em}
.lead{font-size:17px;line-height:1.65;color:var(--body)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;font-weight:600;font-size:16px;text-decoration:none;border:none;cursor:pointer;font-family:inherit}
.btn svg{flex-shrink:0}
.btn-accent{background:var(--accent-on-dark);color:var(--ink)}
.btn-accent:hover{background:#B3D5F5;color:var(--ink)}
.btn-ghost{border:1px solid #475C7C;color:var(--on-dark)}
.btn-ghost:hover{border-color:var(--accent-on-dark);color:var(--on-dark)}
.btn-ink{background:var(--ink);color:var(--on-dark)}
.btn-ink:hover{background:var(--accent);color:#fff}
.skip{position:absolute;left:-9999px;top:8px;background:#fff;color:var(--ink);padding:8px 14px;z-index:100}
.skip:focus{left:8px}

/* Barra superior */
.topbar{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px;background:var(--ink-deep);color:#C5CFDC;font-size:13px}
.topbar a{color:#C5CFDC;text-decoration:none}
.topbar a:hover{color:#fff}
.topbar-links{display:flex;gap:28px;flex-wrap:wrap}

/* Navegación */
.nav{position:sticky;top:0;z-index:50;display:flex;justify-content:space-between;align-items:center;padding-top:18px;padding-bottom:18px;background:var(--ink);border-bottom:1px solid var(--line-darker)}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--on-dark)}
.brand:hover{color:var(--on-dark)}
.brand-mark{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--accent-on-dark);font-family:var(--serif);font-size:19px;color:var(--accent-on-dark);flex-shrink:0}
.brand-text{display:flex;flex-direction:column;gap:2px}
.brand-name{font-family:var(--serif);font-size:20px;font-weight:500;line-height:1.2}
.brand-sub{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--on-dark-muted)}
.menu{display:flex;align-items:center;gap:32px;font-size:15px}
.menu a{color:#DCE3EC;text-decoration:none}
.menu a:hover{color:#fff}
.menu .btn{min-height:44px;padding:0 20px;font-size:15px;color:var(--ink)}
.menu-toggle{display:none;background:none;border:1px solid #475C7C;color:var(--on-dark);width:44px;height:44px;cursor:pointer;align-items:center;justify-content:center}

/* Hero */
.hero{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;row-gap:56px;padding-top:clamp(64px,8vw,110px);padding-bottom:clamp(72px,8vw,120px);background:var(--ink);color:var(--on-dark)}
.hero-main{grid-column:span 7;display:flex;flex-direction:column;gap:30px}
.hero h1{font-size:clamp(42px,5.4vw,76px);line-height:1.03;letter-spacing:-.02em}
.hero-lead{max-width:600px;font-size:clamp(17px,1.4vw,19px);line-height:1.6;color:var(--on-dark-body)}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-top:6px}
.ledger{grid-column:9 / span 4;align-self:end;border-top:1px solid var(--accent-on-dark)}
.ledger-head{display:flex;justify-content:space-between;padding:14px 0;font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--on-dark-muted)}
.ledger-row{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:20px 0;border-top:1px solid var(--line-dark)}
.ledger-row:last-child{border-bottom:1px solid var(--line-dark)}
.ledger-row span:first-child{color:var(--on-dark-body)}
.ledger-row span:last-child{font-family:var(--mono);font-size:clamp(30px,3vw,40px);line-height:1;color:var(--on-dark)}

/* Clientes */
.clients{padding-top:64px;padding-bottom:64px;border-bottom:1px solid var(--rule)}
.clients-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px 48px;flex-wrap:wrap;margin-bottom:32px}
.clients-head .label{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.clients-head p{font-size:15px;color:var(--body)}
.logos{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:20px;list-style:none;margin:0;padding:0}
.logos li{display:flex;align-items:center;justify-content:center;height:120px;padding:20px;background:#fff;border:1px solid var(--rule)}
.logos img{max-height:44px;width:auto;object-fit:contain}

/* Secciones */
.section{padding-top:var(--section-y);padding-bottom:var(--section-y)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px 64px;flex-wrap:wrap;margin-bottom:56px}
.section-head .titles{display:flex;flex-direction:column;gap:18px;max-width:720px}
.section-head .lead{max-width:420px}

.services{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--ink)}
.service{display:flex;flex-direction:column;gap:14px;padding:36px 36px 44px;border-bottom:1px solid var(--rule);border-left:1px solid var(--rule)}
.service:nth-child(3n+1){padding-left:0;border-left:none}
.service:nth-child(3n){padding-right:0}
.num{font-family:var(--mono);font-size:14px;color:var(--accent)}
.service h3{font-size:28px;line-height:1.2}
.service p{color:var(--body)}

.split{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;row-gap:48px}
.split-left{grid-column:span 5;display:flex;flex-direction:column;gap:24px}
.split-right{grid-column:7 / span 6}
.band{background:var(--band)}

.caps{border-top:1px solid var(--ink)}
.cap{display:flex;gap:28px;padding:30px 0;border-bottom:1px solid var(--rule-2)}
.cap .num{width:32px;flex-shrink:0}
.cap h3{font-size:26px;line-height:1.2;margin-bottom:8px}
.cap p{color:var(--body)}

.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;list-style:none;margin:0;padding:0}
.step{display:flex;flex-direction:column;gap:12px;padding-top:24px;border-top:2px solid var(--ink)}
.step:last-child{border-top-color:var(--accent)}
.step .when{font-family:var(--mono);font-size:13px;color:var(--muted)}
.step h3{font-size:26px}
.step p{color:var(--body)}

.partners{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.partner{display:flex;flex-direction:column;gap:16px}
.photo{aspect-ratio:4/5;background:#D7DFEA;display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--muted);overflow:hidden}
.photo img{width:100%;height:100%;object-fit:cover}
.partner-name{font-family:var(--serif);font-size:24px}
.partner-role{font-size:15px;color:var(--body)}
.partner-bio{font-size:14px;line-height:1.5;color:var(--muted)}

/* Contacto */
.dark{background:var(--ink);color:var(--on-dark)}
.dark .lead{color:var(--on-dark-body)}
.contact-list{border-top:1px solid var(--line-dark)}
.contact-list > *{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 0;border-bottom:1px solid var(--line-dark);color:var(--on-dark);text-decoration:none;font-size:17px}
.contact-list a:hover{color:var(--accent-on-dark)}
.contact-list .k{color:var(--on-dark-muted)}
.form{display:flex;flex-direction:column;gap:20px;padding:clamp(24px,3.5vw,44px);background:var(--bg);color:var(--ink)}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:14px;font-weight:500}
.field input,.field select,.field textarea{width:100%;min-height:48px;padding:10px 14px;border:1px solid #A3AEC0;background:#fff;font-size:16px;font-family:inherit;color:var(--ink);border-radius:0}
.field textarea{resize:vertical;min-height:120px}
.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
.form .btn-ink:focus-visible{outline-color:var(--accent)}
.form-note{font-size:13px;color:var(--muted)}
.form-status{font-size:15px;font-weight:500}
.form-status.ok{color:#1B6B3A}
.form-status.err{color:#A12A2A}

/* Pie */
.footer{padding-top:64px;padding-bottom:40px;background:var(--ink-deep);color:var(--on-dark-muted);font-size:14px}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px 24px;margin-bottom:40px}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-col .t{color:var(--on-dark);font-weight:500}
.footer-col a{color:var(--on-dark-muted);text-decoration:none}
.footer-col a:hover{color:#fff}
.footer-brand{font-family:var(--serif);font-size:20px;color:var(--on-dark)}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding-top:24px;border-top:1px solid var(--line-darker);font-size:13px}

/* WhatsApp flotante */
.wa{position:fixed;right:20px;bottom:20px;z-index:60;display:flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:50%;background:#1E8E4E;color:#fff;box-shadow:0 4px 14px rgba(6,18,42,.3)}
.wa:hover{background:#177540;color:#fff}

/* Tablet */
@media (max-width:1100px){
  .hero-main{grid-column:1 / -1}
  .ledger{grid-column:1 / -1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:32px;border-top:none}
  .ledger-head{display:none}
  .ledger-row{border-top:1px solid var(--line-dark)}
  .ledger-row:last-child{border-bottom:none}
  .logos{grid-template-columns:repeat(3,minmax(0,1fr))}
  .split-left,.split-right{grid-column:1 / -1}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:40px}
  .services{grid-template-columns:repeat(2,minmax(0,1fr))}
  .service{padding:32px 28px 40px}
  .service:nth-child(3n+1){padding-left:28px;border-left:1px solid var(--rule)}
  .service:nth-child(3n){padding-right:28px}
  .service:nth-child(2n+1){padding-left:0;border-left:none}
  .service:nth-child(2n){padding-right:0}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
/* Menú móvil */
@media (max-width:900px){
  .menu-toggle{display:inline-flex}
  .menu{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;padding:8px var(--pad-x) 24px;background:var(--ink);border-bottom:1px solid var(--line-darker)}
  .menu.open{display:flex}
  .menu a{padding:14px 0;border-bottom:1px solid var(--line-darker);font-size:17px}
  .menu .btn{margin-top:16px;border-bottom:none;min-height:52px}
  .topbar .loc{display:none}
}
/* Celular */
@media (max-width:640px){
  .brand-sub{display:none}
  .brand-name{font-size:18px}
  .hero-ctas .btn{width:100%}
  .ledger{grid-template-columns:1fr}
  .ledger-row:last-child{border-bottom:1px solid var(--line-dark)}
  .logos{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .logos li{height:96px;padding:16px}
  .logos img{max-height:36px}
  .services{grid-template-columns:1fr}
  .service,.service:nth-child(n){padding:28px 0 32px;border-left:none}
  .service h3{font-size:24px}
  .cap{gap:16px}
  .cap h3{font-size:22px}
  .steps{grid-template-columns:1fr}
  .partners{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .topbar{justify-content:center}
  .topbar-links{gap:16px;justify-content:center}
}

/* ===== Sitio multipágina ===== */
.menu a.active{color:#fff;box-shadow:inset 0 -2px 0 var(--accent-on-dark)}
.menu a.btn.active{box-shadow:none}
.page-hero{padding-top:clamp(56px,7vw,96px);padding-bottom:clamp(56px,7vw,88px);background:var(--ink);color:var(--on-dark);display:flex;flex-direction:column;gap:22px}
.page-hero h1{font-size:clamp(38px,4.8vw,64px);line-height:1.05;letter-spacing:-.02em;max-width:900px}
.page-lead{max-width:680px;font-size:clamp(17px,1.4vw,19px);color:var(--on-dark-body)}
.crumbs{display:flex;gap:10px;font-size:14px;color:var(--on-dark-muted)}
.crumbs a{color:var(--on-dark-muted);text-decoration:none}
.crumbs a:hover{color:#fff}
.page-hero :focus-visible{outline-color:var(--accent-on-dark)}

.tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule)}
.tile{display:flex;flex-direction:column;gap:12px;padding:32px 28px;background:var(--bg);color:var(--ink);text-decoration:none}
.tile:hover{background:#fff;color:var(--ink)}
.tile h3{font-size:24px;line-height:1.2}
.tile p{color:var(--body);font-size:15px;flex-grow:1}
.tile .more{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;color:var(--accent)}
.tile-cta{background:var(--ink);color:var(--on-dark)}
.tile-cta:hover{background:#12264A;color:var(--on-dark)}
.tile-cta p{color:var(--on-dark-body)}
.tile-cta .more{color:var(--accent-on-dark)}
.tile:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}

.chips{display:flex;flex-wrap:wrap;gap:10px;padding-top:28px;padding-bottom:28px;border-bottom:1px solid var(--rule)}
.chips a{display:inline-flex;align-items:center;min-height:40px;padding:0 16px;border:1px solid var(--rule-2);color:var(--ink);text-decoration:none;font-size:14px;background:#fff}
.chips a:hover{border-color:var(--accent);color:var(--accent)}
.svc{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;row-gap:28px;padding-top:64px;padding-bottom:64px;border-bottom:1px solid var(--rule);scroll-margin-top:90px}
.svc-main{grid-column:span 6;display:flex;flex-direction:column;gap:16px}
.svc-main h2{font-size:clamp(30px,3vw,40px);line-height:1.1}
.svc-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;text-decoration:none;margin-top:4px}
.svc-list{grid-column:8 / span 5}
.svc-list-title{display:block;font-weight:600;font-size:15px;margin-bottom:8px}
.svc-list ul,.plain-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--ink)}
.svc-list li,.plain-list li{display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--rule);color:var(--body)}
.svc-list li svg,.plain-list li svg{color:var(--accent);flex-shrink:0;margin-top:3px}

.caps-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:48px}

.cta-band{display:flex;justify-content:space-between;align-items:center;gap:32px 64px;flex-wrap:wrap;padding-top:clamp(56px,7vw,88px);padding-bottom:clamp(56px,7vw,88px);background:var(--ink);color:var(--on-dark)}
.cta-text{display:flex;flex-direction:column;gap:14px;max-width:640px}
.cta-band .lead{color:var(--on-dark-body)}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

.ledger-light .ledger{border-top-color:var(--accent);align-self:auto}
.ledger-light .ledger-head{color:var(--muted)}
.ledger-light .ledger-row{border-color:var(--rule-2)}
.ledger-light .ledger-row span:first-child{color:var(--body)}
.ledger-light .ledger-row span:last-child{color:var(--ink)}

.commit{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.commit > div{display:flex;flex-direction:column;gap:10px;padding-top:24px;border-top:2px solid var(--ink)}
.commit h3{font-size:26px}
.commit p{color:var(--body)}

.light-list{border-top:1px solid var(--ink)}
.light-list > *{color:var(--ink);border-bottom-color:var(--rule)}
.light-list a:hover{color:var(--accent)}
.light-list .k{color:var(--muted)}
.form-boxed{background:#fff;border:1px solid var(--rule)}
.map{padding-bottom:var(--section-y)}
.map iframe{display:block;width:100%;height:420px;border:1px solid var(--rule)}

@media (max-width:1100px){
  .tiles{grid-template-columns:repeat(2,minmax(0,1fr))}
  .svc-main,.svc-list{grid-column:1 / -1}
  .ledger-light .ledger{grid-template-columns:1fr}
  .ledger-light .ledger-head{display:flex}
}
@media (max-width:640px){
  .tiles{grid-template-columns:1fr}
  .caps-grid{grid-template-columns:1fr}
  .commit{grid-template-columns:1fr}
  .cta-actions .btn{width:100%}
  .map iframe{height:320px}
  .svc{padding-top:48px;padding-bottom:48px}
}