/* ============================================================
   RTechnology — sistema de diseño
   Fondo: azul institucional profundo · Acento: latón
   Tema único y deliberado: oscuro siempre.
   ============================================================ */
:root{
  --ink:#05141F; --ink-2:#08202F; --ink-3:#0B2A3D;
  --line:#13435E; --line-soft:#0E3247;
  --paper:#E6F0F5; --muted:#8AA9BC; --muted-2:#5F849B;
  --brass:#E0A64B; --brass-hi:#F7D699; --brass-dim:#8C6526;
  --sky:#4FB3D9; --live:#59D3A4;
  --f-display:"Fraunces","Iowan Old Style",Georgia,serif;
  --f-body:"Archivo","Helvetica Neue",Arial,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,monospace;
  --wrap:1200px; --pad:clamp(20px,5vw,56px); --r:4px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--ink);color:var(--paper);font-family:var(--f-body);font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased;overflow-x:hidden}

.grid-bg{position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(19,67,94,.30) 1px,transparent 1px),linear-gradient(to bottom,rgba(19,67,94,.30) 1px,transparent 1px);
  background-size:96px 96px;
  mask-image:radial-gradient(ellipse 100% 70% at 50% 0%,#000 10%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 100% 70% at 50% 0%,#000 10%,transparent 78%)}
#contours{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad);position:relative;z-index:2}

h1,h2,h3,h4{font-family:var(--f-display);font-weight:600;margin:0;text-wrap:balance;letter-spacing:-.015em;line-height:1.06}
p{margin:0}
a{color:inherit}
.eyebrow{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--brass);display:flex;align-items:center;gap:12px;margin:0 0 22px}
.eyebrow::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--line),transparent)}
.eyebrow .n{color:var(--muted-2)}
.lead{color:var(--muted);font-size:clamp(16px,1.7vw,19px);max-width:62ch}

.nav{position:sticky;top:0;z-index:60;backdrop-filter:blur(14px);background:rgba(5,20,31,.82);border-bottom:1px solid var(--line-soft)}
.nav-in{max-width:var(--wrap);margin-inline:auto;padding:14px var(--pad);display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;margin-right:auto}
.mark{width:34px;height:34px;flex:none;border:1px solid var(--brass-dim);border-radius:2px;display:grid;place-items:center;font-family:var(--f-display);font-weight:700;font-size:15px;color:var(--brass);background:linear-gradient(160deg,rgba(224,166,75,.18),transparent 70%)}
.brand b{font-family:var(--f-display);font-weight:600;font-size:19.5px;letter-spacing:-.02em}
.brand span{color:var(--brass)}
.nav a.lnk{font-size:14.5px;color:var(--muted);text-decoration:none;padding:6px 2px;border-bottom:1px solid transparent;transition:color .18s,border-color .18s;white-space:nowrap}
.nav a.lnk:hover,.nav a.lnk:focus-visible{color:var(--paper);border-bottom-color:var(--brass)}
.nav-links{display:flex;gap:20px;align-items:center}
@media(min-width:881px) and (max-width:1140px){.nav a.lnk{font-size:13px}.nav-links{gap:14px}}

/* selector de idioma */
.lang{display:flex;border:1px solid var(--line);border-radius:2px;overflow:hidden;flex:none}
.lang button{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.08em;background:transparent;color:var(--muted);border:0;padding:7px 11px;cursor:pointer;transition:.18s}
.lang button:hover{color:var(--paper)}
.lang button[aria-pressed="true"]{background:var(--brass);color:var(--ink);font-weight:500}

.btn{font-family:var(--f-body);font-size:14.5px;font-weight:600;text-decoration:none;cursor:pointer;padding:11px 20px;border-radius:2px;border:1px solid var(--brass);color:var(--ink);background:var(--brass);transition:background .18s,box-shadow .18s;display:inline-block;white-space:nowrap}
.btn:hover,.btn:focus-visible{background:var(--brass-hi);border-color:var(--brass-hi);box-shadow:0 8px 30px -12px rgba(224,166,75,.8)}
.btn.ghost{background:transparent;color:var(--paper);border-color:var(--line)}
.btn.ghost:hover,.btn.ghost:focus-visible{border-color:var(--brass);color:var(--brass-hi);box-shadow:none;background:transparent}
.burger{display:none;background:none;border:1px solid var(--line);color:var(--paper);width:40px;height:38px;border-radius:2px;font-size:17px;cursor:pointer}
:where(a,button,input,textarea,select,[tabindex]):focus-visible{outline:2px solid var(--brass);outline-offset:3px}

.hero{padding:clamp(64px,11vw,132px) 0 clamp(56px,8vw,96px);position:relative}
.pin{display:inline-flex;align-items:center;gap:9px;font-family:var(--f-mono);font-size:11.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line);border-radius:99px;padding:6px 14px 6px 10px;margin-bottom:30px}
.dot{width:6px;height:6px;border-radius:50%;background:var(--live);box-shadow:0 0 0 4px rgba(89,211,164,.16);flex:none}
h1.h{font-size:clamp(40px,7.4vw,84px);letter-spacing:-.03em;max-width:17ch}
h1.h em{font-style:normal;color:var(--brass);position:relative;white-space:nowrap}
h1.h em::after{content:"";position:absolute;left:0;right:0;bottom:.07em;height:2px;background:linear-gradient(90deg,var(--brass),transparent)}
.hero .lead{margin-top:26px;font-size:clamp(17px,2vw,20.5px)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:clamp(52px,8vw,88px);background:var(--line-soft);border:1px solid var(--line-soft)}
.stat{background:var(--ink);padding:26px 22px}
.stat b{display:block;font-family:var(--f-display);font-size:clamp(30px,4.4vw,46px);font-weight:600;letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1}
.stat b i{font-style:normal;color:var(--brass)}
.stat span{display:block;margin-top:9px;font-family:var(--f-mono);font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted-2);line-height:1.5}

section{position:relative;z-index:2}
.sec{padding:clamp(64px,9vw,112px) 0;border-top:1px solid var(--line-soft)}
.sec-head{display:grid;grid-template-columns:1fr;gap:18px;margin-bottom:clamp(38px,5vw,58px)}
.sec-head h2{font-size:clamp(29px,4.4vw,50px);letter-spacing:-.028em}
@media(min-width:900px){.sec-head{grid-template-columns:1.05fr .95fr;gap:48px;align-items:end}}

.svc{display:grid;gap:1px;background:var(--line-soft);border:1px solid var(--line-soft)}
@media(min-width:700px){.svc{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1040px){.svc{grid-template-columns:repeat(3,1fr)}}
.svc article,.svc a.svc-item{background:var(--ink);padding:32px 28px 34px;position:relative;transition:background .22s;display:block;text-decoration:none;color:inherit}
.svc a.svc-item:hover,.svc a.svc-item:focus-visible{background:var(--ink-2)}
.svc article:hover{background:var(--ink-2)}
.svc a.svc-item .mas{display:inline-flex;align-items:center;gap:7px;margin-top:18px;font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--brass)}
.svc a.svc-item:hover .mas{color:var(--brass-hi)}
.svc a.svc-item .mas span{transition:transform .2s}
.svc a.svc-item:hover .mas span{transform:translateX(4px)}
.svc .ic{width:38px;height:38px;margin-bottom:20px;color:var(--brass)}
.svc h3{font-size:21px;margin-bottom:11px}
.svc p{color:var(--muted);font-size:15.3px;line-height:1.6}
.svc .tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:18px}
.tag{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-2);border:1px solid var(--line-soft);padding:3px 8px;border-radius:2px}
.svc article.hi,.svc a.svc-item.hi{background:linear-gradient(165deg,rgba(224,166,75,.10),transparent 62%)}
.svc article.hi:hover,.svc a.svc-item.hi:hover{background:linear-gradient(165deg,rgba(224,166,75,.15),rgba(8,32,47,.9) 62%)}
.svc article.hi h3,.svc a.svc-item.hi h3{color:var(--brass-hi)}

.ia{display:grid;gap:clamp(36px,5vw,64px)}
@media(min-width:960px){.ia{grid-template-columns:.95fr 1.05fr;align-items:start}}
.flow{display:flex;flex-direction:column;gap:1px;background:var(--line-soft);border:1px solid var(--line-soft)}
.step{background:var(--ink-2);padding:22px 24px;display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start}
.step .k{font-family:var(--f-mono);font-size:12px;color:var(--brass);padding-top:3px;letter-spacing:.06em}
.step h4{font-size:17.5px;font-family:var(--f-body);font-weight:600;letter-spacing:0;margin-bottom:5px}
.step p{font-size:14.8px;color:var(--muted);line-height:1.58}

.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:34px}
.chip{font-family:var(--f-mono);font-size:12px;letter-spacing:.07em;text-transform:uppercase;background:transparent;color:var(--muted);border:1px solid var(--line-soft);padding:8px 14px;border-radius:2px;cursor:pointer;transition:.18s}
.chip:hover{color:var(--paper);border-color:var(--line)}
.chip[aria-pressed="true"]{background:var(--brass);border-color:var(--brass);color:var(--ink);font-weight:500}
.chip .c{opacity:.6;margin-left:6px}
.projects{display:grid;gap:22px;grid-template-columns:1fr}
@media(min-width:640px){.projects{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.projects{grid-template-columns:repeat(3,1fr)}}
.card{border:1px solid var(--line-soft);background:var(--ink-2);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;text-decoration:none;transition:border-color .22s,transform .22s,box-shadow .22s}
.card:hover,.card:focus-visible{border-color:var(--line);transform:translateY(-3px);box-shadow:0 22px 44px -30px rgba(0,0,0,.95)}
.chrome{display:flex;align-items:center;gap:7px;padding:9px 12px;background:var(--ink-3);border-bottom:1px solid var(--line-soft)}
.chrome i{width:7px;height:7px;border-radius:50%;background:var(--line);display:block;flex:none}
.chrome .url{margin-left:6px;font-family:var(--f-mono);font-size:10.5px;color:var(--muted-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.thumb{aspect-ratio:16/10;position:relative;display:grid;place-items:center;padding:20px;text-align:center;background-color:var(--c1);
  background-image:radial-gradient(circle at 78% 12%,color-mix(in srgb,var(--c2) 85%,transparent),transparent 58%),linear-gradient(148deg,var(--c1) 8%,var(--c2) 130%);
  background-size:cover;background-position:center top}
.thumb::before{content:"";position:absolute;inset:0;background-image:linear-gradient(to right,rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(to bottom,rgba(255,255,255,.055) 1px,transparent 1px);background-size:26px 26px}
.thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(3,14,22,.62),transparent 62%)}
.thumb.shot::before,.thumb.shot::after{display:none}
.thumb .wm{position:relative;z-index:2;font-family:var(--f-display);font-weight:600;font-size:clamp(19px,2.4vw,25px);color:#fff;letter-spacing:-.02em;line-height:1.12;text-shadow:0 2px 22px rgba(0,0,0,.45);text-wrap:balance}
.thumb.shot .wm{display:none}
.card-b{padding:17px 18px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.card-b .kicker{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--brass);display:flex;align-items:center;gap:8px}
.card-b .kicker .live{color:var(--live)}
.card-b h3{font-size:18.5px;font-family:var(--f-body);font-weight:600;letter-spacing:-.01em}
.card-b p{font-size:14.2px;color:var(--muted);line-height:1.55;flex:1}
.card-b .feats{display:flex;flex-wrap:wrap;gap:6px;margin-top:3px}

.pub{display:grid;gap:clamp(34px,5vw,58px)}
@media(min-width:960px){.pub{grid-template-columns:1fr 1fr}}
.checks{display:flex;flex-direction:column;gap:1px;background:var(--line-soft);border:1px solid var(--line-soft)}
.check{background:var(--ink);padding:19px 22px;display:grid;grid-template-columns:auto 1fr;gap:15px;align-items:start}
.check svg{width:18px;height:18px;color:var(--brass);margin-top:4px;flex:none}
.check b{display:block;font-size:16px;font-weight:600;margin-bottom:3px}
.check span{font-size:14.5px;color:var(--muted);line-height:1.55}
.quote{border-left:2px solid var(--brass);padding:6px 0 6px 24px;margin-top:30px}
.quote p{font-family:var(--f-display);font-size:clamp(19px,2.4vw,25px);line-height:1.35;letter-spacing:-.02em}
.quote cite{display:block;margin-top:14px;font-style:normal;font-family:var(--f-mono);font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted-2)}

.prods{display:grid;gap:20px}
@media(min-width:820px){.prods{grid-template-columns:repeat(2,1fr)}}
.prod{border:1px solid var(--line-soft);border-radius:var(--r);padding:30px 28px 32px;background:linear-gradient(160deg,var(--ink-2),var(--ink) 70%);position:relative;overflow:hidden;transition:border-color .22s}
.prod:hover{border-color:var(--line)}
.prod::after{content:"";position:absolute;right:-70px;top:-70px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(224,166,75,.14),transparent 68%)}
.prod h3{font-size:23px;margin-bottom:6px;position:relative;z-index:2}
.prod .sub{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--brass);margin-bottom:14px;position:relative;z-index:2}
.prod p{color:var(--muted);font-size:15.2px;position:relative;z-index:2}
.prod .feats{margin-top:18px;display:flex;flex-wrap:wrap;gap:7px;position:relative;z-index:2}

.stack{display:flex;flex-wrap:wrap;gap:9px}
.stack span{font-family:var(--f-mono);font-size:12.5px;color:var(--muted);border:1px solid var(--line-soft);padding:9px 14px;border-radius:2px;transition:.2s}
.stack span:hover{color:var(--brass-hi);border-color:var(--brass-dim)}

.tests{display:grid;gap:20px}
@media(min-width:860px){.tests{grid-template-columns:repeat(3,1fr)}}
.test{border:1px solid var(--line-soft);border-radius:var(--r);padding:28px 26px;background:var(--ink-2)}
.test p{font-size:15.6px;line-height:1.62;color:var(--paper)}
.test .who{margin-top:20px;padding-top:16px;border-top:1px solid var(--line-soft)}
.test .who b{display:block;font-size:15px;font-weight:600}
.test .who span{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2)}
.qm{font-family:var(--f-display);font-size:44px;line-height:.5;color:var(--brass-dim);display:block;margin-bottom:18px}

.contact{display:grid;gap:clamp(36px,5vw,60px)}
@media(min-width:920px){.contact{grid-template-columns:.9fr 1.1fr}}
form{display:grid;gap:16px}
.row{display:grid;gap:16px}
@media(min-width:560px){.row{grid-template-columns:1fr 1fr}}
label{display:block;font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);margin-bottom:8px}
input,textarea,select{width:100%;background:var(--ink-2);border:1px solid var(--line-soft);color:var(--paper);font-family:var(--f-body);font-size:15.5px;padding:13px 15px;border-radius:2px;transition:border-color .18s}
input:focus,textarea:focus,select:focus{border-color:var(--brass);outline:none}
textarea{resize:vertical;min-height:130px}
.direct{display:flex;flex-direction:column;gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);margin-top:26px}
.direct a{background:var(--ink);padding:17px 20px;text-decoration:none;display:flex;align-items:center;justify-content:space-between;gap:14px;transition:background .2s}
.direct a:hover{background:var(--ink-2)}
.direct .l{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);display:block;margin-bottom:3px}
.direct .v{font-size:16px;color:var(--paper)}
.direct .arw{color:var(--brass);font-size:18px}

footer{border-top:1px solid var(--line-soft);padding:clamp(48px,6vw,72px) 0 40px;position:relative;z-index:2}
.foot{display:grid;gap:34px}
@media(min-width:820px){.foot{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.foot h4{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--brass);font-weight:500;margin-bottom:16px}
.foot ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.foot a{color:var(--muted);text-decoration:none;font-size:14.6px;transition:color .18s}
.foot a:hover{color:var(--brass-hi)}
.foot p{color:var(--muted);font-size:14.6px;max-width:38ch}
.legal{margin-top:44px;padding-top:24px;border-top:1px solid var(--line-soft);display:flex;flex-wrap:wrap;gap:8px 22px;align-items:center;justify-content:space-between}
.legal small,.legal a{font-family:var(--f-mono);font-size:11.5px;color:var(--muted-2);text-decoration:none}
.legal a:hover{color:var(--brass)}

.rv{opacity:0;transform:translateY(16px);transition:opacity .6s cubic-bezier(.2,.7,.3,1),transform .6s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){.rv{opacity:1;transform:none;transition:none}#contours{display:none}}

@media(max-width:880px){
  .nav-links{position:fixed;inset:62px 0 auto;flex-direction:column;align-items:stretch;gap:0;background:var(--ink);border-bottom:1px solid var(--line);padding:8px var(--pad) 22px;display:none;max-height:calc(100vh - 62px);overflow-y:auto}
  .nav-links.open{display:flex}
  .nav-links a.lnk{padding:14px 0;border-bottom:1px solid var(--line-soft)}
  .nav-links .btn{margin-top:16px;text-align:center}
  .burger{display:block}
  .stats{grid-template-columns:repeat(2,1fr)}
}