:root{--bg:#06080c;--bg2:#0a0e14;--panel:#0d131b;--panel2:#111925;--line:rgba(148,190,210,.14);--line2:rgba(148,190,210,.26);--text:#d7e0e8;--muted:#8a99a8;--head:#f3f7fa;--accent:#5ee4e0;--accent2:#9bf3f0;--ink:#06080c;--ink2:#0d131b;--red:#ff6b5e;--amber:#f2b84b;--green:#45d48a;--radius:4px;--max:1180px;--mono:ui-monospace,"SFMono-Regular","JetBrains Mono",Menlo,Consolas,"Liberation Mono",monospace;--sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;background:var(--bg)}
body{margin:0;font-family:var(--sans);color:var(--text);background:var(--bg);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto}
a{color:var(--accent);text-underline-offset:3px}
a:hover{color:var(--accent2)}
::selection{background:var(--accent);color:var(--bg)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--bg);padding:8px 12px;z-index:10}
.skip:focus{left:10px}
.mt1{margin-top:10px}.mt2{margin-top:16px}.mt3{margin-top:22px}.mt4{margin-top:40px}.my2{margin:18px 0}
/* cabecera */
.top{background:rgba(6,8,12,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);color:#fff;position:sticky;top:0;z-index:5;border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:12px;color:var(--head);text-decoration:none;font-family:var(--mono);font-weight:600;letter-spacing:.06em;font-size:1.02rem;text-transform:lowercase}
.brand:hover{color:#fff}
.brand svg{width:30px;height:30px}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:2px;flex-wrap:wrap}
.nav a{color:var(--muted);text-decoration:none;padding:8px 12px;font-size:.88rem;display:block;letter-spacing:.01em;border-radius:var(--radius);transition:color .2s,background .2s}
.nav a:hover,.nav a[aria-current=page]{color:var(--head);background:rgba(94,228,224,.06)}
.nav a.cta{border:1px solid var(--accent);color:var(--accent);margin-left:8px}
.nav a.cta:hover{background:var(--accent);color:var(--bg)}
.menu{display:none}
.menu summary{list-style:none;cursor:pointer;color:var(--head);padding:8px 14px;border:1px solid var(--line2);border-radius:var(--radius);font-size:.85rem;font-family:var(--mono)}
.menu summary::-webkit-details-marker{display:none}
@media (max-width:900px){.nav.desk{display:none}.menu{display:block;position:static}.menu[open] .nav{position:absolute;left:0;right:0;top:68px;background:var(--bg2);padding:12px 28px 20px;border-bottom:1px solid var(--line)}.menu .nav ul{flex-direction:column}.nav a.cta{margin:8px 0 0;text-align:center}}
/* hero */
.hero{position:relative;background:var(--bg) url(/assets/hero-topologia.svg) center/cover no-repeat;color:#fff;padding:128px 0 112px;border-bottom:1px solid var(--line);overflow:hidden}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:.5}
.hero.small{padding:84px 0 68px;background-position:right center}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:500;margin:0 0 20px}
.eyebrow::before{content:"";width:8px;height:8px;background:var(--accent);box-shadow:0 0 12px var(--accent)}
.eyebrow.accent{color:var(--accent)}
.hero h1{font-size:clamp(2.2rem,5.4vw,4.1rem);line-height:1.04;margin:0 0 24px;max-width:18ch;letter-spacing:-.035em;font-weight:650;color:var(--head)}
.hero.small h1{max-width:26ch;font-size:clamp(1.9rem,4vw,3rem)}
.hero p.lead{font-size:1.18rem;color:#b8c6d3;max-width:60ch;margin:0 0 34px}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin:0 0 30px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 22px;border-radius:var(--radius);font-weight:600;text-decoration:none;border:1px solid transparent;font-size:.95rem;line-height:1.3;cursor:pointer;font-family:inherit;transition:background .2s,color .2s,border-color .2s,box-shadow .2s}
.btn.primary{background:var(--accent);color:var(--bg)}
.btn.primary:hover{background:var(--accent2);color:var(--bg);box-shadow:0 0 0 4px rgba(94,228,224,.15)}
.btn.primary::after{content:"→";font-family:var(--mono)}
.btn.ghost{border-color:var(--line2);color:var(--head);background:rgba(255,255,255,.02)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn.line{border-color:var(--accent);color:var(--accent);background:transparent}
.btn.line:hover{background:var(--accent);color:var(--bg)}
.seals{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px 28px;color:var(--muted);font-family:var(--mono);font-size:.8rem;letter-spacing:.04em}
.seals li::before{content:"[✓] ";color:var(--green)}
/* secciones */
section{padding:104px 0;border-bottom:1px solid var(--line)}
section.alt{background:var(--bg2) url(/assets/rejilla.svg)}
h1,h2,h3{color:var(--head)}
h2{font-size:clamp(1.7rem,3.2vw,2.6rem);line-height:1.12;margin:0 0 18px;letter-spacing:-.025em;font-weight:650;max-width:26ch}
h3{font-size:1.12rem;margin:0 0 10px;letter-spacing:-.01em;font-weight:600}
.sub{color:var(--muted);max-width:68ch;margin:0 0 44px;font-size:1.08rem}
.grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(270px,1fr))}
.card{background:var(--panel);padding:32px 30px;display:flex;flex-direction:column;position:relative;transition:background .25s}
.card:hover{background:var(--panel2)}
.card p{margin:0 0 14px;color:#b4c1cd}
.card ul{margin:0 0 20px;padding-left:0;list-style:none}
.card li{margin:8px 0;padding-left:20px;position:relative;color:#b4c1cd;font-size:.96rem}
.card li::before{content:"›";position:absolute;left:2px;color:var(--accent);font-family:var(--mono)}
.card .btn{margin-top:auto;align-self:flex-start}
.card.feat{background:linear-gradient(180deg,rgba(94,228,224,.08),var(--panel) 60%);box-shadow:inset 0 2px 0 var(--accent)}
.tag{display:inline-block;font-family:var(--mono);font-size:.7rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);border:1px solid rgba(94,228,224,.35);padding:3px 9px;margin:0 0 16px;align-self:flex-start;border-radius:2px}
.price{font-size:1.9rem;font-weight:650;color:var(--head);margin:2px 0 16px;letter-spacing:-.02em}
.price small{font-size:.85rem;font-weight:500;color:var(--muted)}
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:1px;background:var(--line);border:1px solid var(--line);grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.steps li{background:var(--panel);padding:30px 26px;position:relative}
.steps li p{color:#b4c1cd;margin:0}
.steps li::before{counter-increment:s;content:counter(s,decimal-leading-zero) " /";display:block;font-family:var(--mono);color:var(--accent);font-size:.85rem;margin-bottom:18px;letter-spacing:.08em}
blockquote{margin:44px 0 0;padding:26px 30px;border-left:2px solid var(--accent);background:var(--panel);color:var(--head);font-size:1.15rem;line-height:1.55}
.note{font-size:.88rem;color:var(--muted)}
.box{border:1px solid var(--line2);background:var(--panel);border-radius:var(--radius);padding:20px 22px;font-size:.95rem}
.box p{margin:0 0 8px}.box p:last-child{margin:0}
.warn{border-color:rgba(242,184,75,.45);background:rgba(242,184,75,.06)}
/* faq */
.faq details{border-top:1px solid var(--line);margin:0;padding:0 4px}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:600;padding:22px 36px 22px 0;color:var(--head);list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:20px;font-family:var(--mono);color:var(--accent);font-size:1.2rem}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:0 0 20px;color:#b4c1cd;max-width:75ch}
/* tablas */
table{border-collapse:collapse;width:100%;margin:0 0 24px;font-size:.93rem}
th,td{border:1px solid var(--line);padding:11px 13px;text-align:left;vertical-align:top}
th{background:var(--panel2);color:var(--head);font-weight:600}
.tablewrap{overflow-x:auto}
/* formularios */
form{display:grid;gap:16px}
label{font-weight:600;font-size:.9rem;color:var(--head)}
input[type=text],input[type=email],input[type=tel],textarea,select{width:100%;padding:13px 14px;border:1px solid var(--line2);border-radius:var(--radius);font:inherit;background:var(--bg);color:var(--head)}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(94,228,224,.15)}
textarea{min-height:110px}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:.92rem;color:var(--text)}
.check input{margin-top:5px;flex:0 0 auto;width:18px;height:18px;accent-color:var(--accent)}
.row2{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.formerr{color:var(--red);font-weight:600;min-height:1.2em;margin:0}
/* legal */
.legal{max-width:820px}
.legal h2{font-size:1.4rem;margin:44px 0 12px}
.legal h3{margin-top:26px}
.legal p,.legal li{font-size:1rem;color:#c1ccd6}
/* comprobador */
.checker{background:var(--panel);border:1px solid var(--line2);border-radius:var(--radius);padding:26px;color:var(--text);max-width:740px;box-shadow:0 30px 80px rgba(0,0,0,.45)}
.checker form{grid-template-columns:1fr auto;align-items:end}
@media (max-width:560px){.checker form{grid-template-columns:1fr}}
.result{margin-top:10px}
.res{border:1px solid var(--line);border-left-width:4px;border-radius:var(--radius);padding:16px 18px;margin:0 0 12px;background:var(--panel2)}
.res h3{display:flex;justify-content:space-between;gap:12px;align-items:baseline;flex-wrap:wrap}
.res p{margin:4px 0}
.res code{word-break:break-all;font-size:.84rem;background:var(--bg);padding:2px 6px;border-radius:3px;font-family:var(--mono);color:var(--accent2)}
.res.red{border-left-color:var(--red)}.res.amber{border-left-color:var(--amber)}.res.green{border-left-color:var(--green)}.res.info{border-left-color:#6b7c8c}
.pill{font-family:var(--mono);font-size:.72rem;font-weight:600;border-radius:2px;padding:2px 8px;color:var(--bg);white-space:nowrap;letter-spacing:.06em}
.pill.red{background:var(--red)}.pill.amber{background:var(--amber)}.pill.green{background:var(--green)}.pill.info{background:#8a99a8}
code{font-family:var(--mono)}
/* pie */
footer{background:#040507;color:var(--muted);padding:72px 0 34px;font-size:.9rem}
footer a{color:#c1ccd6;text-decoration:none}
footer a:hover{color:var(--accent)}
footer .cols{display:grid;gap:32px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-bottom:40px}
footer h2{color:var(--accent);font-family:var(--mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;margin:0 0 16px;font-weight:500}
footer ul{list-style:none;margin:0;padding:0}
footer li{margin:7px 0}
footer .legalline{border-top:1px solid var(--line);padding-top:22px;color:#6f7d8b;font-size:.84rem}
footer .legalline p{margin:0 0 8px}
.crumbs{font-family:var(--mono);font-size:.78rem;color:var(--muted);margin:0 0 18px;letter-spacing:.04em}
.crumbs a{color:#c1ccd6}
.sample{border:1px dashed var(--line2);border-radius:var(--radius);padding:24px;background:var(--panel)}
/* capacidades (nuevo) */
.caps{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.caps a{display:block;background:var(--panel);padding:28px 24px 30px;text-decoration:none;color:var(--text);transition:background .25s}
.caps a:hover{background:var(--panel2)}
.caps b{display:block;color:var(--head);font-size:1.05rem;margin:14px 0 6px}
.caps span{font-size:.9rem;color:var(--muted)}
.caps i{font-style:normal;font-family:var(--mono);font-size:.74rem;color:var(--accent);letter-spacing:.1em}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* ---- toque de laboratorio ---- */
.labbar{background:#040507;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:#6f7d8b;overflow:hidden;white-space:nowrap}
.labbar .wrap{display:flex;gap:26px;align-items:center;min-height:30px;overflow:hidden}
.labbar span{display:inline-flex;align-items:center;gap:8px}
.labbar b{color:var(--accent);font-weight:500}
.labbar .dot{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green)}
@media (max-width:700px){.labbar .hide-sm{display:none}}
.hero::before{content:"";position:absolute;inset:0;background:url(/assets/scanlines.svg);pointer-events:none;z-index:0}
.hero .wrap{position:relative;z-index:1}
.hero-lab{position:relative}
@media (min-width:1080px){.hero-lab{background-image:url(/assets/lab-terminal.svg);background-repeat:no-repeat;background-size:470px auto;background-position:right 28px center;min-height:380px}.hero-lab>*{max-width:600px}}
.hero .scan{position:absolute;left:0;right:0;top:0;height:120px;background:linear-gradient(180deg,transparent,rgba(94,228,224,.06),transparent);pointer-events:none;z-index:0}
.card::before,.card::after{content:"";position:absolute;width:10px;height:10px;border-color:var(--accent);border-style:solid;opacity:.45;transition:opacity .25s}
.card::before{top:-1px;left:-1px;border-width:1px 0 0 1px}
.card::after{bottom:-1px;right:-1px;border-width:0 1px 1px 0}
.card:hover::before,.card:hover::after{opacity:1}
.steps li{background-image:linear-gradient(90deg,rgba(94,228,224,.35),transparent 60%);background-size:100% 1px;background-repeat:no-repeat;background-position:0 0}
section h2::before{content:"// ";font-family:var(--mono);font-weight:400;color:var(--accent);opacity:.55;font-size:.6em;vertical-align:.2em}
.legal h2::before,footer h2::before{content:none}
.readout{font-family:var(--mono);font-size:.78rem;color:var(--muted);letter-spacing:.06em;margin:0 0 18px}
.readout b{color:var(--accent);font-weight:500}
.caret::after{content:"▌";color:var(--accent);margin-left:4px}
@media (prefers-reduced-motion:no-preference){
 .labbar .dot{animation:pulse 2.4s ease-in-out infinite}
 .eyebrow::before{animation:pulse 2.4s ease-in-out infinite}
 .caret::after{animation:blink 1.1s steps(1) infinite}
 .hero .scan{animation:sweep 7s linear infinite}
 @keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
 @keyframes blink{50%{opacity:0}}
 @keyframes sweep{from{transform:translateY(-120px)}to{transform:translateY(900px)}}
}
@media (min-width:1080px){.hero .hero-lab>p.lead,.hero .hero-lab>h1{max-width:580px}}