:root{
  --black:#000000;
  --ink:#0B0C0D;
  --teal:#009FBD;
  --teal-ink:#007E96;
  --gray:#A7A9AC;
  --bg:#FFFFFF;
  --bg-2:#F5F6F7;
  --line:#E6E8E9;
  --text-2:#565B60;
  --on-dark-muted:#A7A9AC;
  --font-display:"Montserrat","Avenir Next",sans-serif;
  --font-body:"Manrope","Helvetica Neue",Arial,sans-serif;
  --pad:clamp(20px,6vw,88px);
}
/* Dark ("/b") theme — activated by data-theme="dark" on <html>; only neutrals flip, brand teal/black/gray stay */
html[data-theme="dark"]{
  --ink:#EDEEF0;
  --teal-ink:#33B5CF;
  --bg:#0E1012;
  --bg-2:#171A1E;
  --line:#2A2E34;
  --text-2:#9BA1A8;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;line-height:1.6}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:0;background:var(--teal);color:#fff;padding:10px 16px;z-index:100}
.skip:focus{left:0}

h1,h2{font-family:var(--font-display);font-weight:800;line-height:1.08;letter-spacing:-.02em;text-wrap:balance}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--teal-ink)}
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--teal);color:#fff;border:none;cursor:pointer;
  font-family:var(--font-body);font-size:15px;font-weight:700;padding:15px 26px;border-radius:4px;
  transition:background .2s, transform .2s}
.btn:hover{background:var(--teal-ink);transform:translateY(-1px)}
.btn svg{transition:transform .2s}
.btn:hover svg{transform:translateX(3px)}
.btn.quiet{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn.quiet:hover{background:var(--bg-2);border-color:var(--gray)}

.rv{opacity:0;transform:translateY(20px);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}html{scroll-behavior:auto}}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:14px var(--pad);border-bottom:1px solid var(--line)}
html[data-theme="dark"] header{background:rgba(0,0,0,.72)}
.lockup{display:flex;align-items:center;gap:12px}
.lockup img{width:44px;height:auto}
.lockup .words{display:flex;flex-direction:column;line-height:1.05}
.lockup .dna{font-family:var(--font-display);font-weight:800;font-size:20px;letter-spacing:.02em;color:var(--ink)}
.lockup .mech{font-size:9.5px;font-weight:700;letter-spacing:.14em;color:var(--teal)}
.lockup .llc{font-size:8.5px;font-weight:600;letter-spacing:.16em;color:var(--text-2)}
header nav{display:flex;gap:28px}
header nav a{font-size:14px;font-weight:600;color:var(--text-2);transition:color .2s}
header nav a:hover{color:var(--ink)}
header .btn{padding:11px 20px;font-size:14px}
@media(max-width:840px){header nav{display:none}}

/* ---------- hero ---------- */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:center;
  padding:clamp(48px,7vh,84px) var(--pad)}
@media(max-width:920px){.hero{grid-template-columns:1fr}}
.hero-copy{display:flex;flex-direction:column;gap:22px}
.hero h1{font-size:clamp(38px,4.6vw,60px)}
.hero h1 em{font-style:normal;color:var(--teal)}
.hero .sub{font-size:17px;color:var(--text-2);max-width:34em}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:4px}
.proof{display:flex;gap:clamp(24px,3.5vw,48px);margin-top:22px;padding-top:22px;border-top:1px solid var(--line)}
.proof div{display:flex;flex-direction:column;gap:2px}
.proof .v{font-family:var(--font-display);font-weight:800;font-size:26px;font-variant-numeric:tabular-nums}
.proof .v span{color:var(--teal)}
.proof .l{font-size:12.5px;color:var(--text-2)}
.hero-visual{position:relative}
.hero-visual::before{content:"";position:absolute;inset:22px -22px -22px 22px;background:var(--bg-2);
  border:1px solid var(--line);border-radius:6px;z-index:-1}
.hero-visual img{width:100%;aspect-ratio:4/3.3;object-fit:cover;border-radius:6px}
.hero-visual .chip{position:absolute;left:18px;bottom:18px;background:var(--black);color:#fff;
  display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:4px;font-size:13px;font-weight:600}
.hero-visual .chip .dot{width:8px;height:8px;border-radius:50%;background:var(--teal);
  box-shadow:0 0 0 0 rgba(0,159,189,.5);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(0,159,189,0)}100%{box-shadow:0 0 0 0 rgba(0,159,189,0)}}
@media (prefers-reduced-motion:reduce){.hero-visual .chip .dot{animation:none}}

/* ---------- sections ---------- */
section{padding:clamp(56px,9vh,96px) var(--pad)}
.sec-head{display:flex;flex-direction:column;gap:12px;max-width:640px;margin-bottom:44px}
.sec-head h2{font-size:clamp(28px,3.2vw,40px)}
.sec-head p{color:var(--text-2);font-size:16px}

/* capabilities */
/* Capabilities = teal band with white cards (client "cambiar a teal"), both themes */
.caps{background:var(--teal)}
.caps .eyebrow{color:#fff}
.caps .sec-head h2{color:#06232a}
.caps .sec-head p{color:rgba(255,255,255,.92)}
.caps .cap{background:#fff;border-color:rgba(255,255,255,.4)}
.caps .cap h3{color:#0B0C0D}
.caps .cap p{color:#565B60}
.caps .cap .ico{color:#007E96}
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:1080px){.cap-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.cap-grid{grid-template-columns:1fr}}
.cap{background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:26px 24px;
  display:flex;flex-direction:column;gap:12px;transition:border-color .2s, box-shadow .2s}
.cap:hover{border-color:var(--teal);box-shadow:0 12px 28px -16px rgba(0,60,72,.25)}
.cap .ico{width:44px;height:44px;border-radius:6px;background:rgba(0,159,189,.1);color:var(--teal-ink);
  display:grid;place-items:center}
.cap h3{font-family:var(--font-display);font-weight:700;font-size:17px;letter-spacing:-.01em}
.cap p{font-size:14px;color:var(--text-2)}

/* work */
.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:980px){.work-grid{grid-template-columns:1fr}}
.job{border:1px solid var(--line);border-radius:6px;overflow:hidden;background:var(--bg);
  display:flex;flex-direction:column;transition:box-shadow .2s, transform .2s}
.job:hover{transform:translateY(-3px);box-shadow:0 18px 36px -18px rgba(0,20,24,.28)}
.job .im{position:relative;aspect-ratio:16/9.5;overflow:hidden}
.job .im img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.job:hover .im img{transform:scale(1.04)}
.job .tag{position:absolute;top:12px;left:12px;background:rgba(0,0,0,.82);color:#fff;
  font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:6px 10px;border-radius:3px}
.job .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px}
.job h3{font-family:var(--font-display);font-weight:700;font-size:18px;line-height:1.25;letter-spacing:-.01em}
.job .metric{font-size:14px;color:var(--teal-ink);font-weight:700}
.job p{font-size:14px;color:var(--text-2)}

/* process */
/* Process = teal band with white cards (client rev.2 "cambiar a teal"), both themes */
.process{background:var(--teal)}
.process .eyebrow{color:#fff}
.process .sec-head h2{color:#06232a}
.process .sec-head p{color:rgba(255,255,255,.92)}
.process .step{background:#fff;border-color:rgba(255,255,255,.4)}
.process .step h3{color:#0B0C0D}
.process .step p{color:#565B60}
.process .step::before{color:#007E96}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:step}
@media(max-width:900px){.steps{grid-template-columns:1fr}}
.step{position:relative;background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:26px 24px 24px;
  display:flex;flex-direction:column;gap:10px}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);
  font-family:var(--font-display);font-weight:800;font-size:15px;color:var(--teal);letter-spacing:.06em}
.step h3{font-family:var(--font-display);font-weight:700;font-size:18px}
.step p{font-size:14px;color:var(--text-2)}

/* cta band */
.band{background:var(--black);color:#fff;display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;padding:clamp(44px,7vh,64px) var(--pad)}
.band h2{font-size:clamp(26px,3vw,36px);max-width:18em}
.band p{color:var(--on-dark-muted);font-size:15px;margin-top:8px;max-width:36em}

/* contact */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px)}
@media(max-width:920px){.contact{grid-template-columns:1fr}}
.contact-info{display:flex;flex-direction:column;gap:14px}
.contact-info h2{font-size:clamp(28px,3.2vw,40px)}
.contact-info>p{color:var(--text-2);font-size:16px;max-width:30em}
.channels{display:flex;flex-direction:column;gap:14px;margin-top:16px}
.channel{display:flex;align-items:center;gap:14px}
.channel .box{width:44px;height:44px;flex:none;border-radius:6px;background:var(--bg-2);
  display:grid;place-items:center;color:var(--teal-ink)}
.channel a,.channel span.val{font-weight:700;font-size:15.5px;color:var(--ink)}
.channel a:hover{color:var(--teal-ink)}
.channel .lab{font-size:12px;color:var(--text-2);display:block;margin-bottom:1px}
.form{display:flex;flex-direction:column;gap:12px;background:var(--bg-2);border:1px solid var(--line);
  border-radius:8px;padding:30px 28px}
.form input,.form textarea{width:100%;font-family:var(--font-body);font-size:15px;color:var(--ink);
  background:var(--bg);border:1.5px solid var(--line);border-radius:5px;padding:13px 15px;outline:none;
  transition:border-color .2s}
.form input::placeholder,.form textarea::placeholder{color:#9CA1A6}
.form input:focus,.form textarea:focus{border-color:var(--teal)}
.form textarea{min-height:110px;resize:vertical}
.form .btn{align-self:flex-start;margin-top:4px}
.form .note{font-size:12.5px;color:var(--text-2)}

/* footer */
footer{background:var(--black);color:#fff;padding:36px var(--pad);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer .lockup .dna{color:#fff}
footer .lockup .llc{color:var(--on-dark-muted)}
footer nav{display:flex;gap:22px}
footer nav a{font-size:13.5px;color:var(--on-dark-muted);transition:color .2s}
footer nav a:hover{color:#fff}
footer .fine{font-size:12.5px;color:#6E7275;flex-basis:100%;margin-top:10px}

/* ---------- flash message ---------- */
.flash{background:rgba(0,159,189,.1);border:1px solid var(--teal);color:var(--teal-ink);
  border-radius:5px;padding:12px 16px;font-size:14px;font-weight:600}

/* ---------- gallery ---------- */
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.gallery-grid button{all:unset;cursor:pointer;display:block}
.gallery-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:6px;
  transition:transform .3s ease}
.gallery-grid button:hover img,.gallery-grid button:focus-visible img{transform:scale(1.03)}
.gallery-grid figcaption{font-size:13px;color:var(--text-2);margin-top:6px}
dialog.lightbox{border:none;border-radius:8px;padding:0;max-width:min(92vw,1100px);background:var(--black)}
dialog.lightbox::backdrop{background:rgba(0,0,0,.75)}
dialog.lightbox img{max-width:100%;max-height:82vh;display:block}
dialog.lightbox p{color:#fff;font-size:14px;padding:10px 14px;margin:0}

/* ---------- offline / error pages ---------- */
.plain-page{min-height:60vh;display:grid;place-items:center;text-align:center;padding:40px}
.plain-page h1{font-size:clamp(30px,4vw,44px);margin-bottom:10px}
.plain-page p{color:var(--text-2)}

/* ---------- brands marquee ---------- */
.brands{padding:34px var(--pad) 8px;display:flex;flex-direction:column;gap:16px}
.brands .eyebrow{text-align:center}
.brands .tm{font-size:11px;color:var(--text-2);text-align:center;opacity:.8}
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee .track{display:flex;width:max-content;gap:18px;animation:brand-scroll 48s linear infinite}
.marquee:hover .track{animation-play-state:paused}
@keyframes brand-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.brand-chip{flex:none;display:grid;place-items:center;width:150px;height:62px;background:#fff;
  border:1px solid var(--line);border-radius:8px;padding:12px 16px}
.brand-chip img{max-height:100%;max-width:100%;width:auto;object-fit:contain}
@media (prefers-reduced-motion:reduce){
  .marquee{overflow-x:auto}
  .marquee .track{animation:none;flex-wrap:nowrap}
}

/* ---------- dark-theme (/b) polish for C ---------- */
/* Nav links brighter on the dark header (client: "lighter gray or white"). */
html[data-theme="dark"] header nav a{color:#C9CED4}
html[data-theme="dark"] header nav a:hover{color:var(--ink)}
/* Full inverse logo on dark surfaces (header + footer). Light theme keeps the
   mark + HTML text lockup; dark theme swaps in the single inverse logo image. */
.lockup .lk-inverse{display:none}
html[data-theme="dark"] .lockup .lk-mark,
html[data-theme="dark"] .lockup .words{display:none}
html[data-theme="dark"] header .lockup .lk-inverse{display:block;height:40px;width:auto}
html[data-theme="dark"] footer .lockup .lk-inverse{display:block;height:34px;width:auto}
