/* COGNITIV · hoja de estilos común (sistema de diseño Software in a Box) */
:root{
  --black:#101317; --night:#16191F; --steel:#22262E; --line-d:rgba(255,255,255,.1);
  --paper:#F4F5F7; --white:#fff; --line:#DDE1E6; --ink:#16181D; --text:#2E333B; --mute:#5D646E;
  --cog:#C8411B; --cog-l:#E4572E; --cog-t:#FBE9E3; --ok:#2BB8B8; --gold:#C9A227;
  --disp:'Montserrat',system-ui,sans-serif; --body:'Hanken Grotesk',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--body);font-size:18px;line-height:1.6;color:var(--text);background:#fff;-webkit-font-smoothing:antialiased}
a{color:inherit}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
:focus-visible{outline:3px solid var(--cog-l);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;top:8px;background:var(--cog-l);color:#fff;padding:10px 16px;font-weight:700;z-index:60}.skip:focus{left:8px}
h1,h2,h3{font-family:var(--disp);color:var(--ink);letter-spacing:-.025em;line-height:1.08}
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--disp);font-weight:700;font-size:15.5px;padding:15px 24px;border-radius:6px;text-decoration:none;border:1.5px solid transparent;transition:background .2s,border-color .2s}
.btn-cog{background:var(--cog);color:#fff}.btn-cog:hover{background:#A8370F}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}.btn-ghost:hover{border-color:#fff}
.mark{display:inline-block;font-family:var(--disp);font-weight:800;letter-spacing:.04em;border:2px solid currentColor;padding:3px 9px 4px;line-height:1}

/* cabecera */
.hd{position:sticky;top:0;z-index:40;background:rgba(16,19,23,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line-d)}
.hd .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff}
.brand .mark{color:var(--cog-l);font-size:17px}
.brand small{font-size:13px;color:rgba(255,255,255,.7);font-family:var(--disp);font-weight:500}
.nav{display:flex;gap:28px;align-items:center}
.nav a{color:rgba(255,255,255,.75);text-decoration:none;font-size:15.5px;font-weight:500}.nav a:hover{color:#fff}
.nav .btn{color:#fff;padding:11px 18px;font-size:14.5px}
.burger{display:none;background:none;border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:8px;padding:8px 12px;font:600 15px var(--disp);cursor:pointer}

/* hero */
.hero{background:var(--black);color:#fff;overflow:hidden;position:relative}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 420px at 78% 30%,rgba(228,87,46,.16),transparent 70%);pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:1fr 1.02fr;gap:56px;align-items:center;padding-top:84px;padding-bottom:100px}
.hero h1{color:#fff;font-size:clamp(42px,5.2vw,70px);font-weight:800;letter-spacing:-.035em;line-height:1.02}
.hero .lead{font-size:20px;color:rgba(255,255,255,.75);margin:26px 0 36px;max-width:31em}
.hero .ctas{display:flex;gap:14px;flex-wrap:wrap}

/* demo: el cable */
.demo{background:var(--night);border:1px solid var(--line-d);border-radius:14px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.45)}
.demo-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px;border-bottom:1px solid var(--line-d);background:#1B1F26}
.demo-top .t{font-family:var(--disp);font-weight:700;font-size:14.5px;color:#fff}
.sw{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.8);cursor:pointer;background:none;border:0;font-family:var(--body)}
.sw .track{width:46px;height:26px;border-radius:13px;background:var(--ok);position:relative;transition:background .25s}
.sw .knob{position:absolute;top:3px;left:23px;width:20px;height:20px;border-radius:50%;background:#fff;transition:left .25s}
.sw[aria-checked="false"] .track{background:#5D646E}
.sw[aria-checked="false"] .knob{left:3px}
.demo-body{padding:22px 22px 18px;display:flex;flex-direction:column;gap:14px;min-height:330px}
.msg{max-width:88%;padding:13px 16px;border-radius:12px;font-size:15.5px;line-height:1.55}
.msg.q{align-self:flex-end;background:#2A2F38;color:#fff;border-bottom-right-radius:4px}
.msg.a{align-self:flex-start;background:#fff;color:var(--text);border-bottom-left-radius:4px}
.msg.a b{color:var(--ink)}
.src{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.src span{font-size:12.5px;background:var(--cog-t);color:#8E2E12;padding:3px 9px;border-radius:999px;font-weight:600}
.demo-foot{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-d)}
.demo-foot div{padding:14px 18px;font-size:13.5px;color:rgba(255,255,255,.6)}
.demo-foot div+div{border-left:1px solid var(--line-d)}
.demo-foot b{display:block;font-family:var(--disp);color:#fff;font-size:17px;letter-spacing:-.01em}
.net-off{display:none;align-items:center;gap:10px;background:rgba(228,87,46,.12);border:1px solid rgba(228,87,46,.4);color:#FFD5C7;font-size:14px;padding:10px 14px;border-radius:10px}
.demo.off .net-off{display:flex}
.demo .note{font-size:12.5px;color:rgba(255,255,255,.45);padding:0 18px 14px}

/* secciones */
section{scroll-margin-top:72px}
.sec{padding:112px 0}
.sec-h{max-width:760px;margin-bottom:56px}
.sec-h h2{font-size:clamp(32px,3.6vw,48px);font-weight:800}
.sec-h p{font-size:19px;color:var(--mute);margin-top:18px}

/* módulos: chasis */
.mods{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
.chassis{background:var(--black);border-radius:14px;padding:18px;border:1px solid #2A2F38;box-shadow:inset 0 0 0 6px #191C22}
.bay{display:grid;grid-template-columns:22px 110px 1fr 70px;align-items:center;gap:16px;padding:16px 18px;border-radius:8px;background:linear-gradient(#1C2027,#171A20);border:1px solid #2A2F38;color:#fff;cursor:pointer;width:100%;text-align:left;font-family:var(--body);transition:border-color .2s,background .2s}
.bay+.bay{margin-top:8px}
.bay .led{width:10px;height:10px;border-radius:50%;background:#3A3F48;box-shadow:0 0 0 3px rgba(255,255,255,.04)}
.bay[aria-pressed="true"]{border-color:var(--cog-l);background:linear-gradient(#2A1B17,#1E1714)}
.bay[aria-pressed="true"] .led{background:var(--cog-l);box-shadow:0 0 12px var(--cog-l)}
.bay .n{font-family:var(--disp);font-weight:800;font-size:17px;letter-spacing:.03em}
.bay .r{font-size:14.5px;color:rgba(255,255,255,.65)}
.bay .vent{height:18px;background:repeating-linear-gradient(90deg,#2E333B 0 3px,transparent 3px 7px);border-radius:2px}
.chassis .plate{display:flex;justify-content:space-between;align-items:center;padding:14px 6px 2px;font-size:13px;color:rgba(255,255,255,.5)}
.chassis .plate .mark{color:var(--cog-l);font-size:12px;border-width:1.5px}
.mod-detail h3{font-size:34px;font-weight:800}
.mod-detail .r{font-family:var(--disp);font-weight:600;color:var(--cog);font-size:18px;margin-top:6px}
.mod-detail p{font-size:18px;color:var(--text);margin-top:18px;max-width:32em}
.mod-detail ul{list-style:none;margin-top:20px;display:flex;flex-direction:column;gap:10px}
.mod-detail li{padding-left:22px;position:relative;font-size:16.5px}
.mod-detail li::before{content:"";position:absolute;left:0;top:.55em;width:9px;height:9px;background:var(--cog);transform:rotate(45deg)}
.mod-detail .more{display:inline-block;margin-top:26px;font-family:var(--disp);font-weight:700;color:var(--cog);font-size:15.5px}

/* razones */
.why{background:var(--paper)}
.reasons{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.reason{padding:30px 24px 26px;text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:12px;border-right:1px solid var(--line);transition:background .2s}
.reason:last-child{border-right:0}
.reason:hover,.reason:focus-visible{background:var(--cog-t)}
.reason h3{font-size:19px;font-weight:700}
.reason p{font-size:15.5px;color:var(--mute);flex:1}
.reason .go{font-family:var(--disp);font-weight:700;font-size:14.5px;color:var(--cog)}
.quote{margin-top:64px;display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center;max-width:900px}
.quote .bar{width:6px;height:100%;background:var(--cog);border-radius:3px}
.quote p{font-family:var(--disp);font-weight:700;font-size:clamp(24px,2.6vw,34px);color:var(--ink);letter-spacing:-.02em;line-height:1.25}

/* servidores */
.srv-t{width:100%;border-collapse:collapse;font-size:16px}
.srv-t th,.srv-t td{padding:22px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.srv-t thead th{font-family:var(--disp);font-size:14px;font-weight:700;color:var(--mute);border-bottom:2px solid var(--ink)}
.srv-t tbody th{font-family:var(--disp);font-weight:800;font-size:19px;color:var(--ink);letter-spacing:-.01em}
.srv-t tbody th small{display:block;font-family:var(--body);font-weight:500;font-size:14.5px;color:var(--mute);letter-spacing:0;margin-top:4px}
.srv-t tr.rec{background:var(--cog-t)}
.srv-t tr.rec th small{color:#8E2E12;font-weight:700}
.srv-note{font-size:15px;color:var(--mute);margin-top:18px;max-width:52em}
.srv-cta{margin-top:28px}
.srv-cta a{font-family:var(--disp);font-weight:700;color:var(--cog)}

/* escenarios */
.scen{background:var(--black);color:rgba(255,255,255,.75)}
.scen h2{color:#fff}.scen .sec-h p{color:rgba(255,255,255,.7)}
.scards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scard{text-decoration:none;color:inherit;border-radius:12px;overflow:hidden;background:var(--night);border:1px solid var(--line-d);display:flex;flex-direction:column;transition:border-color .2s}
.scard:hover,.scard:focus-visible{border-color:var(--cog-l)}
.scard img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}
.scard div{padding:22px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.scard .s{font-size:14px;font-weight:600;color:var(--cog-l)}
.scard h3{color:#fff;font-size:20px;font-weight:700}
.scard p{font-size:15.5px;flex:1}
.scen .all{margin-top:28px;font-size:15.5px}
.scen .all a{color:#fff;font-weight:600}

/* cta */
.cta{padding:96px 0;background:var(--cog);color:#fff}
.cta .wrap{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.cta h2{color:#fff;font-size:clamp(30px,3.4vw,44px);font-weight:800;max-width:18em}
.cta p{font-size:18px;color:rgba(255,255,255,.85);margin-top:10px}
.cta .btn{background:#fff;color:var(--cog)}.cta .btn:hover{background:#FFE9E1}

/* pie */
.ft{background:#0B0D10;color:rgba(255,255,255,.6);font-size:15px;padding:56px 0 28px}
.ft .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.ft h4{font-family:var(--disp);color:#fff;font-size:15px;margin-bottom:12px}
.ft a{display:block;color:rgba(255,255,255,.78);text-decoration:none;line-height:2}.ft a:hover{color:var(--cog-l)}
.ft .legal{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-top:40px;padding-top:20px;border-top:1px solid var(--line-d);font-size:14px}
.ft .legal nav{display:flex;gap:22px}.ft .legal a{display:inline}

@media (max-width:1020px){
  .hero .wrap,.mods{grid-template-columns:1fr}
  .reasons{grid-template-columns:1fr 1fr}
  .reason{border-bottom:1px solid var(--line)}
  .scards{grid-template-columns:1fr 1fr}
  .ft .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  body{font-size:17px}.wrap{padding:0 20px}
  .nav{display:none;position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:18px;padding:24px 20px;background:var(--black);border-bottom:1px solid var(--line-d)}
  .nav.open{display:flex}.burger{display:block}
  .brand small{display:none}
  .sec{padding:76px 0}
  .hero .wrap{padding-top:52px;padding-bottom:64px}
  .demo-foot{grid-template-columns:1fr}
  .demo-foot div+div{border-left:0;border-top:1px solid var(--line-d)}
  .bay{grid-template-columns:16px 1fr;gap:12px}
  .bay .vent{display:none}.bay .r{grid-column:2}
  .reasons,.scards{grid-template-columns:1fr}
  .srv-t thead{display:none}
  .srv-t tr{display:block;border-bottom:1px solid var(--line);padding:16px 0}
  .srv-t th,.srv-t td{display:block;border:0;padding:4px 12px}
  .srv-t td::before{content:attr(data-l) ": ";font-weight:600;color:var(--ink)}
  .ft .cols{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}