/* GelTech — instrumento metrológico confiable. Un solo azul. */
:root{
  --cobalt:#0047AB;
  --cobalt-deep:#003380;
  --ink:#14181d;
  --ink-soft:#4a5560;
  --paper:#fbfbfa;
  --card:#ffffff;
  --line:#e2e6ea;
  --mono:ui-monospace,"SF Mono","Cascadia Code",Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:1080px;margin:0 auto;padding:0 28px}
/* ---- header ---- */
header.site{
  border-bottom:1px solid var(--line);
  background:rgba(251,251,250,.92);
  backdrop-filter:blur(6px);
  position:sticky;top:0;z-index:50;
}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand img{height:34px;width:auto}
.brand b{font-size:15px;letter-spacing:.28em;font-weight:700}
nav.links{display:flex;align-items:center;gap:26px}
nav.links a.nl{
  text-decoration:none;color:var(--ink-soft);font-size:13.5px;
  letter-spacing:.06em;text-transform:uppercase;font-weight:600;
}
nav.links a.nl:hover,nav.links a.nl.active{color:var(--cobalt)}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.lang button{
  border:0;background:transparent;padding:7px 13px;font-size:12px;font-weight:700;
  letter-spacing:.08em;cursor:pointer;color:var(--ink-soft);
}
.lang button.on{background:var(--cobalt);color:#fff}
.menu-btn{
  display:none;background:transparent;border:1px solid var(--line);border-radius:8px;
  font-size:20px;line-height:1;padding:7px 11px;cursor:pointer;color:var(--ink);
}
/* ---- hero ---- */
.hero{padding:96px 0 72px;text-align:center}
.eyebrow{
  font-family:var(--mono);font-size:12px;letter-spacing:.34em;
  color:var(--cobalt);text-transform:uppercase;margin-bottom:28px;
}
.hero .mark img{width:120px;height:auto;margin-bottom:8px}
h1.display{font-size:clamp(40px,6vw,68px);letter-spacing:.14em;font-weight:800;margin:6px 0 18px}
.slogan{font-size:clamp(19px,2.6vw,26px);font-weight:600;max-width:720px;margin:0 auto 14px}
.lede{font-size:17px;color:var(--ink-soft);max-width:680px;margin:0 auto 36px}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-block;padding:14px 30px;border-radius:6px;text-decoration:none;
  font-weight:700;font-size:14px;letter-spacing:.1em;text-transform:uppercase;
  border:1.5px solid var(--cobalt);
}
.btn.solid{background:var(--cobalt);color:#fff}
.btn.ghost{color:var(--cobalt);background:transparent}
.btn.solid:hover{background:var(--cobalt-deep)}
/* ---- sections ---- */
section.block{padding:64px 0;border-top:1px solid var(--line)}
.kicker{
  font-family:var(--mono);font-size:12px;letter-spacing:.3em;color:var(--cobalt);
  text-transform:uppercase;margin-bottom:14px;
}
h2.st{font-size:clamp(26px,3.4vw,38px);letter-spacing:.02em;margin-bottom:16px;font-weight:750}
p.body{color:var(--ink-soft);font-size:16.5px;max-width:760px;margin-bottom:14px}
.grid{display:grid;gap:18px;margin-top:30px}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c2{grid-template-columns:repeat(2,1fr)}
@media(max-width:760px){
  .grid.c3,.grid.c2{grid-template-columns:1fr}
  .menu-btn{display:block}
  .nav{position:relative;height:68px;flex-wrap:nowrap}
  nav.links{
    display:none;position:absolute;top:calc(100% + 6px);right:12px;z-index:300;
    flex-direction:column;align-items:stretch;gap:2px;min-width:210px;
    background:var(--card);border:1px solid var(--line);border-radius:12px;
    box-shadow:0 18px 44px rgba(20,24,29,.18);padding:8px;
  }
  nav.links.open{display:flex}
  nav.links a.nl{padding:10px 12px}
  nav.links .lang{align-self:center;margin:6px 0 4px}
  .hero{padding:64px 0 52px}
  section.block{padding:44px 0}
}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:10px;
  padding:26px 24px;
}
.card .n{
  font-family:var(--mono);font-size:12px;color:var(--cobalt);
  letter-spacing:.2em;margin-bottom:10px;
}
.card h3{font-size:18px;margin-bottom:8px;letter-spacing:.02em}
.card p{font-size:14.5px;color:var(--ink-soft)}
.rule{height:2px;background:var(--cobalt);width:56px;margin:18px 0}
/* pipeline */
.pipe{display:flex;align-items:stretch;gap:0;margin-top:34px;flex-wrap:wrap}
.step{
  flex:1 1 150px;background:var(--card);border:1px solid var(--line);
  border-left:3px solid var(--cobalt);padding:20px 18px;min-width:150px;
}
.step+.step{border-left:1px solid var(--line)}
.step .n{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--cobalt)}
.step h4{font-size:15px;margin:6px 0 4px}
.step p{font-size:13px;color:var(--ink-soft)}
.arrow{align-self:center;padding:0 8px;color:var(--cobalt);font-weight:700}
/* mascot */
.mascot-row{display:flex;gap:40px;align-items:center;flex-wrap:wrap;margin-top:10px}
.mascot-row img{width:220px;height:auto}
.note{
  border-left:3px solid var(--cobalt);background:#f0f4fa;
  padding:16px 20px;border-radius:0 8px 8px 0;margin-top:22px;
  font-size:14.5px;color:var(--ink-soft);max-width:760px;
}
/* footer */
footer.site{
  border-top:1px solid var(--line);margin-top:40px;padding:34px 0 44px;
  font-size:13.5px;color:var(--ink-soft);
}
footer.site .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer.site .motto{font-family:var(--mono);letter-spacing:.24em;color:var(--cobalt);font-size:12px}
/* misc */
ul.ticks{list-style:none;margin-top:18px;max-width:760px}
ul.ticks li{padding:10px 0 10px 30px;position:relative;color:var(--ink-soft);font-size:16px}
ul.ticks li::before{
  content:"";position:absolute;left:4px;top:17px;width:14px;height:2px;background:var(--cobalt);
}
.mailto{
  display:inline-block;margin-top:18px;font-size:20px;font-weight:700;color:var(--cobalt);
  text-decoration:none;border-bottom:2px solid var(--cobalt);
}
.status-pill{
  display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:.2em;
  border:1px solid var(--cobalt);color:var(--cobalt);border-radius:999px;
  padding:8px 18px;text-transform:uppercase;margin-bottom:18px;
}

/* ---- lámina de Patrón: coleccionable viva ---- */
.patron-card{
  width:300px;flex:0 0 auto;
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:14px;box-shadow:0 18px 44px rgba(0,71,171,.14);
  transform-style:preserve-3d;will-change:transform;
  transition:box-shadow .3s ease;
}
.patron-card:hover{box-shadow:0 26px 60px rgba(0,71,171,.22)}
.patron-plate{
  display:flex;justify-content:space-between;align-items:center;gap:8px;
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--cobalt);
  text-transform:uppercase;padding:2px 4px 12px;
}
.patron-series{color:var(--ink-soft);text-align:right}
.patron-stage{
  position:relative;border-radius:10px;overflow:hidden;background:#edf0f4;
  --mx:50%;--my:30%;
}
.patron-stage img{
  display:block;width:100%;height:auto;
  animation:ptn-float 6s ease-in-out infinite;
}
.patron-scan{
  position:absolute;left:0;right:0;top:-8%;height:3px;opacity:0;
  background:linear-gradient(90deg,transparent,var(--cobalt) 30%,var(--cobalt) 70%,transparent);
  box-shadow:0 0 18px 4px rgba(0,71,171,.45);
  animation:ptn-scan 5.5s linear infinite;
}
.patron-shine{
  position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at var(--mx) var(--my),rgba(255,255,255,.38),transparent 55%);
  mix-blend-mode:soft-light;
}
.patron-foot{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--ink-soft);
  text-transform:uppercase;text-align:center;padding:12px 4px 2px;
}
@keyframes ptn-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@keyframes ptn-scan{
  0%{top:-8%;opacity:0}
  8%{opacity:1}
  88%{opacity:1}
  96%,100%{top:104%;opacity:0}
}
@media (prefers-reduced-motion: reduce){
  .patron-stage img,.patron-scan{animation:none}
  .patron-scan{display:none}
}

/* ---- chatbot Patrón ---- */
.ptn-fab{
  position:fixed;right:22px;bottom:22px;width:62px;height:62px;border-radius:50%;
  border:2px solid #fff;background:var(--cobalt);cursor:pointer;z-index:200;
  box-shadow:0 10px 28px rgba(0,71,171,.35);padding:0;overflow:hidden;
  transition:transform .2s ease;
}
.ptn-fab:hover{transform:scale(1.07)}
.ptn-fab img{width:100%;height:100%;object-fit:cover;display:block}
.ptn-panel{
  position:fixed;right:22px;bottom:96px;z-index:200;
  width:min(380px,calc(100vw - 44px));height:520px;max-height:calc(100vh - 130px);
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  display:flex;flex-direction:column;overflow:hidden;
  box-shadow:0 24px 70px rgba(20,24,29,.22);
}
.ptn-panel[hidden]{display:none}
.ptn-head{display:flex;align-items:center;gap:12px;background:var(--cobalt);color:#fff;padding:14px 16px}
.ptn-av{width:38px;height:38px;border-radius:50%;overflow:hidden;flex:0 0 auto;background:#fff}
.ptn-av img{width:100%;height:100%;object-fit:cover;display:block}
.ptn-htxt{display:flex;flex-direction:column;line-height:1.35;flex:1;min-width:0}
.ptn-title{font-size:15px}
.ptn-status{font-size:11.5px;opacity:.88}
.ptn-close{background:transparent;border:0;color:#fff;font-size:24px;cursor:pointer;line-height:1;padding:4px 6px}
.ptn-body{flex:1;overflow-y:auto;padding:16px 14px;display:flex;flex-direction:column;gap:10px;background:var(--paper)}
.ptn-msg{display:flex;gap:8px;align-items:flex-end;max-width:100%}
.ptn-msg .ptn-av{width:28px;height:28px}
.ptn-msg.user{justify-content:flex-end}
.ptn-bubble{padding:10px 14px;border-radius:14px;font-size:14px;line-height:1.55;max-width:78%;overflow-wrap:break-word}
.ptn-msg.bot .ptn-bubble{background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px;color:var(--ink)}
.ptn-msg.user .ptn-bubble{background:var(--cobalt);color:#fff;border-bottom-right-radius:4px}
.ptn-bubble a{color:var(--cobalt);font-weight:700;overflow-wrap:break-word}
.ptn-typing .ptn-bubble span{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--ink-soft);margin-right:4px;animation:ptn-blink 1.2s infinite}
.ptn-typing .ptn-bubble span:nth-child(2){animation-delay:.2s}
.ptn-typing .ptn-bubble span:nth-child(3){animation-delay:.4s}
@keyframes ptn-blink{0%,60%,100%{opacity:.25}30%{opacity:1}}
.ptn-chips{display:flex;gap:8px;padding:10px 14px;flex-wrap:wrap;border-top:1px solid var(--line);background:var(--card)}
.ptn-chip{border:1px solid var(--cobalt);color:var(--cobalt);background:transparent;border-radius:999px;
  padding:7px 14px;font-size:12.5px;font-weight:600;cursor:pointer;font-family:var(--sans)}
.ptn-chip:hover{background:var(--cobalt);color:#fff}
.ptn-input{display:flex;gap:8px;padding:12px 14px;border-top:1px solid var(--line);background:var(--card)}
.ptn-input input{flex:1;min-width:0;border:1px solid var(--line);border-radius:999px;padding:10px 16px;
  font-size:14px;outline:none;font-family:var(--sans);color:var(--ink)}
.ptn-input input:focus{border-color:var(--cobalt)}
.ptn-send{width:42px;height:42px;border-radius:50%;border:0;background:var(--cobalt);color:#fff;
  font-size:16px;cursor:pointer;flex:0 0 auto}
.ptn-send:hover{background:var(--cobalt-deep)}
@media (prefers-reduced-motion: reduce){
  .ptn-typing .ptn-bubble span{animation:none;opacity:.6}
}