/* ============================================================
   ALICE — sistema de diseño
   Paleta derivada del logotipo: #262938 (tinta) · #6BA9C1 (acero)
   ============================================================ */

:root{
  /* superficies */
  --paper:#FAFBFC;
  --paper-2:#F1F4F7;
  --paper-3:#E7ECF1;
  --navy:#262938;
  --navy-2:#1D2030;
  --navy-3:#161926;

  /* tinta */
  --ink:#191C28;
  --ink-80:rgba(25,28,40,.8);
  --ink-65:rgba(25,28,40,.65);
  --ink-50:rgba(25,28,40,.5);
  --ink-38:rgba(25,28,40,.38);

  /* tinta sobre oscuro */
  --w:#FFFFFF;
  --w-82:rgba(255,255,255,.82);
  --w-62:rgba(255,255,255,.62);
  --w-42:rgba(255,255,255,.42);

  /* acento */
  --steel:#6BA9C1;          /* rellenos, trazos, acento sobre oscuro */
  --steel-ink:#226780;      /* texto de acento sobre claro — 6.4:1 */
  --steel-deep:#17495C;
  --steel-12:rgba(107,169,193,.12);
  --steel-20:rgba(107,169,193,.2);
  --steel-32:rgba(107,169,193,.32);

  /* señal (usar con moderación) */
  --amber:#C8872B;
  --amber-12:rgba(200,135,43,.12);

  /* series de gráficos — validadas para visión tricromática y daltonismo */
  --c1:#0F6E96;
  --c2:#B5721A;
  --c1-12:rgba(15,110,150,.12);
  --c2-12:rgba(181,114,26,.12);

  /* líneas */
  --line:rgba(25,28,40,.1);
  --line-2:rgba(25,28,40,.17);
  --line-d:rgba(255,255,255,.12);
  --line-d2:rgba(255,255,255,.22);

  /* medidas */
  --wrap:1200px;
  --prose:46rem;
  --r:4px;
  --r-lg:8px;
  --sh:0 1px 2px rgba(25,28,40,.04), 0 8px 24px -16px rgba(25,28,40,.18);
  --sh-2:0 2px 4px rgba(25,28,40,.05), 0 24px 48px -28px rgba(25,28,40,.26);
}

*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:'IBM Plex Sans',system-ui,-apple-system,sans-serif;
  background:var(--paper);color:var(--ink-80);
  font-size:16.5px;line-height:1.65;
  font-feature-settings:"kern" 1;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg,video,iframe{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--steel-ink);outline-offset:3px;border-radius:3px}
::selection{background:var(--steel-32)}

/* ---------- tipografía ---------- */
h1,h2,h3,h4{color:var(--ink);font-weight:600;letter-spacing:-.022em;line-height:1.14}
h1{font-size:clamp(33px,5.1vw,56px);letter-spacing:-.03em;line-height:1.08}
h2{font-size:clamp(26px,3.5vw,40px)}
h3{font-size:clamp(19px,2vw,23px);letter-spacing:-.015em;line-height:1.26}
h4{font-size:17px;letter-spacing:-.01em}
.lead{font-size:clamp(17px,1.7vw,20px);line-height:1.58;color:var(--ink-65);max-width:58ch}
.eyebrow{
  font-family:'IBM Plex Mono',ui-monospace,monospace;
  font-size:11.5px;font-weight:500;letter-spacing:.13em;text-transform:uppercase;
  color:var(--steel-ink);display:block;margin-bottom:16px;
}
.mono{font-family:'IBM Plex Mono',ui-monospace,monospace}
strong,b{color:var(--ink);font-weight:600}
.dim{color:var(--ink-50)}
.nowrap{white-space:nowrap}

/* ---------- contenedores y bandas ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(18px,4vw,40px)}
.sec{padding-block:clamp(56px,8vw,104px)}
.sec-sm{padding-block:clamp(40px,5.5vw,68px)}
.tint{background:var(--paper-2)}
.ruled{border-top:1px solid var(--line)}

.dark{background:var(--navy);color:var(--w-82)}
.dark h1,.dark h2,.dark h3,.dark h4,.dark strong,.dark b{color:var(--w)}
.dark .lead{color:var(--w-62)}
.dark .eyebrow{color:var(--steel)}
.dark .dim{color:var(--w-42)}
.dark-2{background:var(--navy-2)}

.head{max-width:62ch;margin-bottom:clamp(32px,4.5vw,56px)}
.head p{margin-top:16px}
.head-c{margin-inline:auto;text-align:center}
.head-c .lead{margin-inline:auto}

/* ---------- navegación ---------- */
.nav{
  position:sticky;top:0;z-index:60;
  background:rgba(250,251,252,.88);backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid var(--line);
}
.nav-in{display:flex;align-items:center;gap:clamp(14px,2vw,30px);min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;margin-right:auto}
.brand img{height:27px;width:auto}
.brand .by{
  font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ink-38);border-left:1px solid var(--line-2);
  padding-left:11px;line-height:1.3;max-width:9ch;
}
.nav-links{display:flex;align-items:center;align-self:stretch;gap:clamp(13px,1.6vw,24px)}
.nav-links a{
  font-size:14.5px;font-weight:500;color:var(--ink-65);padding-block:6px;
  position:relative;transition:color .2s;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a.on{color:var(--ink)}
.nav-links a.on::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--steel-ink);
}
.nav-cta{
  display:inline-flex;align-items:center;min-height:40px;padding-inline:19px;
  background:var(--navy);color:#fff!important;border-radius:var(--r);
  font-size:14px;font-weight:600;letter-spacing:-.005em;flex-shrink:0;
  transition:background .2s,transform .2s;
}
.nav-cta:hover{background:var(--steel-deep);transform:translateY(-1px)}
.burger{display:none;width:40px;height:40px;place-items:center;border:1px solid var(--line-2);border-radius:var(--r)}
.burger svg{width:19px;height:19px;stroke:var(--ink);stroke-width:1.8;fill:none}
@media(max-width:1020px){
  .nav-links{
    position:fixed;inset:70px 0 auto;flex-direction:column;align-items:stretch;gap:0;
    background:var(--paper);border-bottom:1px solid var(--line);
    padding:8px clamp(18px,4vw,40px) 22px;box-shadow:var(--sh-2);
    max-height:calc(100svh - 70px);overflow:auto;
    transform:translateY(-8px);opacity:0;pointer-events:none;transition:.22s;
  }
  .nav-links.open{transform:none;opacity:1;pointer-events:auto}
  .nav-links a{padding:13px 0;border-bottom:1px solid var(--line);font-size:16px}
  .nav-links a.on::after{display:none}
  .burger{display:grid}
  .nav-cta{min-height:38px;padding-inline:15px;font-size:13.5px}
  .brand .by{display:none}
}

/* ---------- botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:50px;padding-inline:26px;border-radius:var(--r);
  font-size:15px;font-weight:600;letter-spacing:-.008em;text-align:center;
  transition:background .2s,border-color .2s,color .2s,transform .2s,box-shadow .2s;
}
.btn svg{width:17px;height:17px;flex-shrink:0}
.btn-p{background:var(--steel-deep);color:#fff;box-shadow:0 1px 2px rgba(23,73,92,.3)}
.btn-p:hover{background:#0F3647;transform:translateY(-2px);box-shadow:0 12px 26px -14px rgba(23,73,92,.75)}
.btn-o{border:1px solid var(--line-2);color:var(--ink)}
.btn-o:hover{border-color:var(--steel-ink);color:var(--steel-ink)}
.dark .btn-p{background:var(--steel);color:#0E1E26;box-shadow:none}
.dark .btn-p:hover{background:#8AC0D4;transform:translateY(-2px)}
.dark .btn-o{border-color:var(--line-d2);color:#fff}
.dark .btn-o:hover{border-color:var(--steel);color:var(--steel)}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.lnk{
  display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:600;
  color:var(--steel-ink);transition:gap .2s;
}
.lnk svg{width:15px;height:15px;stroke-width:2}
.lnk:hover{gap:11px}
.dark .lnk{color:var(--steel)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding-block:clamp(58px,9vw,112px)}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(760px 420px at 82% -8%,rgba(107,169,193,.2),transparent 62%),
    radial-gradient(540px 340px at 6% 104%,rgba(107,169,193,.09),transparent 60%);
}
.hero .wrap{position:relative}
.hero h1{max-width:19ch}
.hero .lead{margin-top:22px;max-width:56ch}
.hero-grid{display:grid;gap:clamp(34px,5vw,56px);align-items:center}
@media(min-width:1000px){.hero-grid{grid-template-columns:1.06fr .94fr}}

/* tira de cifras */
.strip{display:grid;gap:1px;background:var(--line-d);border-block:1px solid var(--line-d)}
@media(min-width:640px){.strip{grid-template-columns:repeat(2,1fr)}}
@media(min-width:900px){.strip{grid-template-columns:repeat(4,1fr)}}
.strip>div{background:var(--navy);padding:24px clamp(16px,2.4vw,28px)}
.strip dt{font-family:'IBM Plex Mono',monospace;font-size:clamp(25px,3vw,33px);
  font-weight:500;color:var(--w);letter-spacing:-.025em;line-height:1}
.strip dd{font-size:13.5px;color:var(--w-62);margin-top:9px;line-height:1.45}
.light-strip>div{background:var(--paper-2)}
.light-strip{background:var(--line);border-block-color:var(--line)}
.light-strip dt{color:var(--ink)}
.light-strip dd{color:var(--ink-65)}

/* ---------- rejillas ---------- */
.g2,.g3,.g4{display:grid;gap:clamp(18px,2.4vw,28px)}
@media(min-width:720px){.g2{grid-template-columns:repeat(2,1fr)}.g4{grid-template-columns:repeat(2,1fr)}}
@media(min-width:900px){.g3{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1040px){.g4{grid-template-columns:repeat(4,1fr)}}

/* ---------- tarjetas ---------- */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(22px,2.6vw,30px);box-shadow:var(--sh);
}
.card h3{margin-bottom:11px}
.card p{font-size:15.3px}
.card .ic{
  width:40px;height:40px;border-radius:var(--r);display:grid;place-items:center;
  background:var(--steel-12);color:var(--steel-ink);margin-bottom:18px;
}
.card .ic svg{width:21px;height:21px;stroke:currentColor;stroke-width:1.7;fill:none}
.dark .card{background:var(--navy-2);border-color:var(--line-d);box-shadow:none}
.dark .card .ic{background:rgba(107,169,193,.15);color:var(--steel)}

/* tarjeta-enlace (ruteo por rol) */
.rcard{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:clamp(24px,2.8vw,32px);box-shadow:var(--sh);
  transition:border-color .22s,transform .22s,box-shadow .22s;
}
.rcard:hover{border-color:var(--steel-32);transform:translateY(-3px);box-shadow:var(--sh-2)}
.rcard .role{
  font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--steel-ink);margin-bottom:14px;
}
.rcard .q{color:var(--ink);font-size:clamp(19px,1.9vw,22px);font-weight:600;
  letter-spacing:-.018em;line-height:1.26;margin-bottom:12px}
.rcard p{font-size:14.8px;flex:1}
.rcard .lnk{margin-top:20px}

/* ---------- listas ---------- */
.ticks{display:grid;gap:11px;margin-top:20px}
.ticks li{position:relative;padding-left:26px;font-size:15.3px}
.ticks li::before{
  content:"";position:absolute;left:0;top:.56em;width:11px;height:6px;
  border-left:1.8px solid var(--steel-ink);border-bottom:1.8px solid var(--steel-ink);
  transform:rotate(-45deg);
}
.dark .ticks li::before{border-color:var(--steel)}
.dots{display:grid;gap:9px;margin-top:16px}
.dots li{position:relative;padding-left:19px;font-size:15.2px}
.dots li::before{
  content:"";position:absolute;left:0;top:.65em;width:6px;height:6px;border-radius:50%;
  border:1.6px solid var(--steel-ink);
}
.dark .dots li::before{border-color:var(--steel)}

/* chips técnicos */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.chip{
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.02em;
  padding:6px 11px;border:1px solid var(--line-2);border-radius:3px;
  color:var(--ink-65);background:#fff;
}
.dark .chip{background:rgba(255,255,255,.04);border-color:var(--line-d2);color:var(--w-62)}

/* ---------- pasos / flujo ---------- */
.flow{counter-reset:f;display:grid;gap:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff}
.flow li{
  counter-increment:f;display:grid;grid-template-columns:auto 1fr;gap:16px;
  padding:19px clamp(18px,2.4vw,26px);border-bottom:1px solid var(--line);align-items:start;
}
.flow li:last-child{border-bottom:0}
.flow li::before{
  content:counter(f,decimal-leading-zero);font-family:'IBM Plex Mono',monospace;
  font-size:12.5px;font-weight:500;color:var(--steel-ink);
  padding-top:3px;min-width:2.4ch;
}
.flow b{grid-column:2;color:var(--ink);font-weight:600;font-size:15.8px;letter-spacing:-.01em}
.flow span{grid-column:2;font-size:14.6px;color:var(--ink-65);margin-top:4px}
.dark .flow{background:var(--navy-2);border-color:var(--line-d)}
.dark .flow li{border-bottom-color:var(--line-d)}
.dark .flow li::before{color:var(--steel)}
.dark .flow b{color:#fff}
.dark .flow span{color:var(--w-62)}

/* ---------- capas (ciberseguridad) ---------- */
.layers{display:grid;gap:9px;margin-top:8px}
.layer{
  display:grid;grid-template-columns:auto 1fr;gap:clamp(14px,2vw,22px);align-items:start;
  background:var(--navy-2);border:1px solid var(--line-d);border-left:3px solid var(--steel);
  border-radius:var(--r);padding:19px clamp(17px,2.2vw,24px);
}
.layer .n{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--steel);padding-top:4px}
.layer h4{color:#fff;font-size:16.5px;margin-bottom:6px}
.layer p{font-size:14.7px;color:var(--w-62)}

/* ---------- tablas ---------- */
.tscroll{overflow-x:auto;margin-top:26px;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff}
table{width:100%;border-collapse:collapse;font-size:14.8px;min-width:640px}
thead th{
  text-align:left;font-family:'IBM Plex Mono',monospace;font-size:11px;font-weight:500;
  letter-spacing:.1em;text-transform:uppercase;color:var(--ink-50);
  padding:15px clamp(14px,1.8vw,20px);border-bottom:1px solid var(--line-2);
  background:var(--paper-2);white-space:nowrap;
}
tbody td{padding:16px clamp(14px,1.8vw,20px);border-bottom:1px solid var(--line);vertical-align:top}
tbody tr:last-child td{border-bottom:0}
tbody td:first-child{color:var(--ink);font-weight:600}
td .yes{color:var(--steel-ink);font-weight:600}
.tnote{font-size:13px;color:var(--ink-50);margin-top:12px}

/* ---------- lista de funciones ---------- */
.fnlist{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
@media(min-width:780px){.fnlist{grid-template-columns:repeat(2,1fr)}}
.fn{background:#fff;padding:18px clamp(16px,2vw,22px);display:grid;grid-template-columns:auto 1fr;gap:14px}
.fn .n{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--steel-ink);padding-top:4px;min-width:2.4ch}
.fn b{display:block;color:var(--ink);font-size:15.3px;font-weight:600;letter-spacing:-.01em}
.fn span{display:block;font-size:14.2px;color:var(--ink-65);margin-top:3px}
.fn em{display:block;font-style:normal;font-size:13.4px;color:var(--steel-ink);margin-top:6px;font-weight:500}

/* ---------- capturas ---------- */
.shot{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff;box-shadow:var(--sh-2)}
.shot img{width:100%;height:auto}
.shot figcaption{
  font-size:13.4px;color:var(--ink-65);padding:14px clamp(15px,2vw,20px);
  border-top:1px solid var(--line);background:var(--paper-2);
}
.dark .shot{border-color:var(--line-d)}
.dark .shot figcaption{background:var(--navy-3);border-top-color:var(--line-d);color:var(--w-62)}
.shots{display:grid;gap:clamp(20px,2.6vw,30px);margin-top:34px}

/* ---------- split ---------- */
.split{display:grid;gap:clamp(30px,4.5vw,60px);align-items:center}
@media(min-width:980px){
  .split{grid-template-columns:1fr 1fr}
  .split.wide-l{grid-template-columns:1.14fr .86fr}
  .split.wide-r{grid-template-columns:.86fr 1.14fr}
  .split.flip>*:first-child{order:2}
}

/* ---------- cita / afirmación ---------- */
.claim{
  border-left:3px solid var(--steel);padding:4px 0 4px clamp(20px,2.6vw,30px);
  font-size:clamp(19px,2.2vw,25px);line-height:1.42;color:var(--ink);
  font-weight:500;letter-spacing:-.018em;max-width:46ch;
}
.dark .claim{color:#fff}
.claim cite{display:block;font-style:normal;font-size:13.5px;font-weight:500;
  color:var(--ink-50);margin-top:16px;letter-spacing:0}
.dark .claim cite{color:var(--w-42)}

/* ---------- aviso ---------- */
.note{
  border:1px solid var(--line-2);border-radius:var(--r-lg);background:var(--paper-2);
  padding:clamp(18px,2.2vw,24px);font-size:14.6px;
}
.note b{display:block;margin-bottom:6px}
.note.warm{background:var(--amber-12);border-color:rgba(200,135,43,.3)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);margin-top:34px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:21px 0;cursor:pointer;list-style:none;
  color:var(--ink);font-weight:600;font-size:16.5px;letter-spacing:-.012em;line-height:1.4;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";flex-shrink:0;width:12px;height:12px;margin-top:6px;
  border-right:1.8px solid var(--steel-ink);border-bottom:1.8px solid var(--steel-ink);
  transform:rotate(45deg);transition:transform .25s;
}
.faq details[open] summary::after{transform:rotate(225deg)}
.faq .ans{padding-bottom:22px;font-size:15.4px;max-width:70ch}
.faq .ans p+p{margin-top:12px}

/* ---------- prosa ---------- */
.prose{max-width:var(--prose)}
.prose p+p,.prose ul,.prose ol,.prose h3,.prose .note{margin-top:18px}
.prose h3{margin-top:34px}
.prose ul li,.prose ol li{position:relative;padding-left:20px;font-size:15.6px;margin-top:8px}
.prose ul li::before{content:"";position:absolute;left:0;top:.66em;width:6px;height:6px;
  border-radius:50%;border:1.6px solid var(--steel-ink)}
.prose ol{counter-reset:p}
.prose ol li{counter-increment:p;padding-left:34px}
.prose ol li::before{content:counter(p) ".";position:absolute;left:0;top:0;
  font-family:'IBM Plex Mono',monospace;font-size:13.5px;color:var(--steel-ink)}

/* ---------- CTA ---------- */
.cta{text-align:center}
.cta h2{max-width:24ch;margin-inline:auto}
.cta .lead{margin:18px auto 0}
.cta .btns{justify-content:center}

/* ---------- formulario ---------- */
.form{display:grid;gap:17px}
@media(min-width:640px){.form .row2{display:grid;grid-template-columns:1fr 1fr;gap:17px}}
.field{display:grid;gap:7px}
.field label{font-size:13.4px;font-weight:600;color:var(--ink)}
.field label .opt{font-weight:400;color:var(--ink-38)}
.field input:not([type=checkbox]),.field select,.field textarea{
  width:100%;min-height:50px;padding:13px 15px;font:inherit;font-size:15.3px;
  color:var(--ink);background:#fff;border:1px solid var(--line-2);border-radius:var(--r);
  transition:border-color .2s,box-shadow .2s;
}
.field textarea{min-height:120px;resize:vertical;line-height:1.55}
.field select{appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' stroke='%23226780' stroke-width='1.6' fill='none'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 15px center;background-size:12px;padding-right:40px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--steel-ink);box-shadow:0 0 0 3px var(--steel-12)}
.field .err{font-size:12.8px;color:#A4342A;display:none}
.field.bad input,.field.bad select,.field.bad textarea{border-color:#A4342A}
.field.bad .err{display:block}
.check{display:grid;grid-template-columns:auto 1fr;gap:11px;align-items:start}
.check input{width:17px;height:17px;margin-top:3px;accent-color:var(--steel-deep);flex-shrink:0}
.check label{font-size:13.6px;font-weight:400;color:var(--ink-65);line-height:1.5}
.check label a{color:var(--steel-ink);font-weight:600;text-decoration:underline;text-underline-offset:2px}
.hp{position:absolute;left:-9999px}
.form-note{font-size:13px;color:var(--ink-50)}

/* ---------- pie ---------- */
.foot{background:var(--navy-3);color:var(--w-62);padding-block:clamp(44px,5.5vw,66px) 28px}
.foot a{color:var(--w-62);transition:color .2s}
.foot a:hover{color:var(--steel)}
.foot-top{display:grid;gap:clamp(30px,4vw,48px)}
@media(min-width:860px){.foot-top{grid-template-columns:1.3fr 1fr 1fr 1fr}}
.foot .brand img{height:25px;filter:brightness(0) invert(1) opacity(.92)}
.foot h4{color:var(--w);font-size:12px;font-family:'IBM Plex Mono',monospace;
  letter-spacing:.11em;text-transform:uppercase;font-weight:500;margin-bottom:16px}
.foot ul{display:grid;gap:10px;font-size:14.3px}
.foot .about{font-size:14.3px;max-width:34ch;margin-top:18px}
.foot-bot{
  border-top:1px solid var(--line-d);margin-top:clamp(34px,4.5vw,52px);padding-top:24px;
  display:flex;flex-wrap:wrap;gap:12px 26px;justify-content:space-between;
  font-size:12.8px;color:var(--w-42);
}
.foot-bot ul{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:12.8px}

/* ---------- utilidades ---------- */
/* ---------- bloque de servicio ---------- */
.svc{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);overflow:hidden}
.svc-h{padding:clamp(22px,2.6vw,30px) clamp(22px,2.6vw,30px) 0}
.svc-h h3{margin-bottom:10px}
.svc-h p{font-size:15.3px}
.svc-m{display:grid;gap:1px;background:var(--line);margin-top:clamp(20px,2.4vw,26px);
  border-top:1px solid var(--line)}
@media(min-width:620px){.svc-m{grid-template-columns:repeat(2,1fr)}}
.svc-m>div{background:var(--paper-2);padding:17px clamp(20px,2.4vw,28px)}
.svc-m dt{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.11em;
  text-transform:uppercase;color:var(--ink-50);margin-bottom:7px}
.svc-m dd{font-size:14.3px;color:var(--ink-80)}
.svcs{display:grid;gap:clamp(18px,2.4vw,26px)}
@media(min-width:1020px){.svcs{grid-template-columns:repeat(2,1fr)}}

/* ---------- fondo difuminado ---------- */
.sec,.hero{position:relative;isolation:isolate}
.sec>.wrap,.hero>.wrap{position:relative;z-index:1}
.glow{position:absolute;inset:0;overflow:hidden;z-index:0;pointer-events:none}
.glow i{position:absolute;display:block;border-radius:50%;filter:blur(70px);opacity:.5}
.glow i.a{width:46vw;height:46vw;max-width:640px;max-height:640px;
  background:radial-gradient(circle,rgba(107,169,193,.5),transparent 68%);top:-18%;right:-10%}
.glow i.b{width:38vw;height:38vw;max-width:520px;max-height:520px;
  background:radial-gradient(circle,rgba(107,169,193,.3),transparent 68%);bottom:-22%;left:-12%}
.dark .glow i{opacity:.4}
.dark .glow i.a{background:radial-gradient(circle,rgba(107,169,193,.55),transparent 66%)}
.dark .glow i.b{background:radial-gradient(circle,rgba(38,88,110,.85),transparent 68%)}
.grid-bg{position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(25,28,40,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(25,28,40,.045) 1px,transparent 1px);
  background-size:62px 62px;
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000,transparent 75%);
  mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000,transparent 75%)}
.dark .grid-bg{background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px)}

/* ---------- animación de entrada ---------- */
.anim .rv{opacity:0;transform:translateY(16px);
  transition:opacity .7s cubic-bezier(.22,.8,.3,1),transform .7s cubic-bezier(.22,.8,.3,1)}
.anim .rv.in{opacity:1;transform:none}
.par{will-change:transform}

/* ---------- figura de producto ---------- */
.fig{margin:0}
.fig img{width:100%;height:auto;border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--sh)}
.dark .fig img{border-color:var(--line-d)}
.fig figcaption{font-size:12.8px;line-height:1.5;color:var(--ink-50);margin-top:11px}
.dark .fig figcaption{color:var(--w-42)}
/* tira de capturas pequeñas */
.figs{display:grid;gap:clamp(16px,2.2vw,26px);margin-top:clamp(26px,3.4vw,40px);
  grid-template-columns:repeat(2,1fr)}
@media(min-width:900px){.figs{grid-template-columns:repeat(4,1fr)}.figs.two{grid-template-columns:repeat(2,1fr);max-width:62%}}
.fig-one{max-width:340px}
@media(max-width:620px){.figs{grid-template-columns:1fr;max-width:340px}}

/* ---------- submenú de navegación ---------- */
.dd{position:relative;display:flex;align-items:center;align-self:stretch}
.dd>.dd-t{position:relative;display:inline-flex;align-items:center;height:100%;gap:6px;
  font-size:14.5px;font-weight:500;color:var(--ink-65);transition:color .2s;cursor:pointer}
.dd>.dd-t::after{content:"";width:7px;height:7px;border-right:1.6px solid currentColor;
  border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .2s}
.dd:hover>.dd-t,.dd.open>.dd-t,.dd.on>.dd-t{color:var(--ink)}
.dd.on>.dd-t::before{content:"";position:absolute;left:0;right:14px;bottom:23px;height:2px;
  background:var(--steel-ink)}
.dd.open>.dd-t::after{transform:rotate(225deg) translateY(-2px)}
.dd-p::before{content:"";position:absolute;left:0;right:0;top:-18px;height:18px}
.dd-p{position:absolute;top:calc(100% - 4px);left:-18px;min-width:286px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2);
  padding:8px;display:grid;gap:2px;opacity:0;transform:translateY(-6px);pointer-events:none;
  transition:.2s;z-index:70}
.dd:hover .dd-p,.dd.open .dd-p,.dd:focus-within .dd-p{opacity:1;transform:none;pointer-events:auto}
.dd.open>.dd-t::after{transform:rotate(225deg) translateY(-2px)}
.dd-p a{display:block;padding:10px 12px;border-radius:var(--r);font-size:14.5px;color:var(--ink-65)}
.dd-p a:hover{background:var(--paper-2);color:var(--ink)}
.dd-p a b{display:block;color:var(--ink);font-weight:600;font-size:14.5px}
.dd-p a span{display:block;font-size:12.8px;color:var(--ink-50);margin-top:2px;line-height:1.4}
@media(max-width:1020px){
  .dd{display:block;align-self:auto}
  .dd>.dd-t{display:flex;width:100%;height:auto;justify-content:space-between;padding:13px 0;
    border-bottom:1px solid var(--line);font-size:16px;color:var(--ink)}
  .dd.on>.dd-t::before{display:none}
  .dd-p::before{display:none}
  .dd-p{position:static;opacity:1;transform:none;pointer-events:auto;border:0;box-shadow:none;
    padding:0 0 10px 14px;background:none;display:none;min-width:0}
  .dd.open .dd-p{display:grid}
  .dd:hover .dd-p{display:none}
  .dd.open:hover .dd-p{display:grid}
  .dd-p a{padding:9px 0;border-bottom:1px solid var(--line)}
}

/* ---------- catálogo de funciones ---------- */
.catgroup{border-top:1px solid var(--line);padding-top:clamp(26px,3vw,38px);
  margin-top:clamp(30px,3.6vw,46px)}
.catgroup:first-of-type{border-top:0;margin-top:clamp(18px,2vw,26px);padding-top:0}
.cathead{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:6px}
.cathead h3{font-size:clamp(20px,2.1vw,25px)}
.cathead .n{font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.11em;
  color:var(--steel-ink)}
.catgroup>p{font-size:15.2px;max-width:70ch;margin-bottom:20px}
.catlist{display:grid;gap:9px 28px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.catlist li{position:relative;padding-left:24px;font-size:14.8px;line-height:1.5}
.catlist li::before{content:'';position:absolute;left:0;top:.55em;width:10px;height:5.5px;
  border-left:1.7px solid var(--steel-ink);border-bottom:1.7px solid var(--steel-ink);
  transform:rotate(-45deg)}
.dark .catlist li::before{border-color:var(--steel)}

/* ---------- gráficos ---------- */
.chart{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(20px,2.4vw,28px);box-shadow:var(--sh)}
.chart h3{font-size:17.5px;margin-bottom:6px}
.chart .sub{font-size:14px;color:var(--ink-50);margin-bottom:20px;max-width:62ch}
.chart figcaption{font-size:12.6px;color:var(--ink-50);margin-top:16px;line-height:1.5;
  border-top:1px solid var(--line);padding-top:12px}
.legend{display:flex;flex-wrap:wrap;gap:8px 20px;margin-bottom:16px}
.legend span{display:inline-flex;align-items:center;gap:8px;font-size:13.4px;color:var(--ink-80)}
.legend i{width:11px;height:11px;border-radius:2px;display:block;flex-shrink:0}
.chart svg{width:100%;height:auto;overflow:visible;font-family:'IBM Plex Mono',monospace}
.chart .ax{font-size:10.5px;fill:var(--ink-50)}
.chart .gl{stroke:var(--line);stroke-width:1}
.chart .lbl{font-size:11.5px;font-weight:500;font-family:'IBM Plex Sans',sans-serif}
.tip{position:absolute;pointer-events:none;background:var(--navy);color:#fff;
  border-radius:var(--r);padding:9px 12px;font-size:12.5px;line-height:1.45;
  box-shadow:0 8px 24px -10px rgba(0,0,0,.5);opacity:0;transition:opacity .12s;z-index:20;
  white-space:nowrap}
.tip b{color:#fff;display:block;margin-bottom:3px;font-size:12px;
  font-family:'IBM Plex Mono',monospace;letter-spacing:.06em}
.tip em{font-style:normal;display:flex;align-items:center;gap:7px}
.tip em i{width:9px;height:9px;border-radius:2px;display:block}
.chart-wrap{position:relative}

/* ---------- calculadora ---------- */
.calc{display:grid;gap:clamp(20px,2.6vw,32px)}
@media(min-width:960px){.calc{grid-template-columns:.9fr 1.1fr;align-items:start}}
.calc-in{display:grid;gap:15px}
.calc-in .field label{font-size:13px}
.calc-in .hint{font-size:12.4px;color:var(--ink-50);margin-top:-3px}
.kpis{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;margin-bottom:22px}
@media(min-width:560px){.kpis{grid-template-columns:repeat(3,1fr)}}
.kpis>div{background:var(--paper-2);padding:16px clamp(14px,1.8vw,20px)}
.kpis dt{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink-50);margin-bottom:8px}
.kpis dd{font-size:clamp(19px,2.2vw,25px);font-weight:600;color:var(--ink);
  letter-spacing:-.02em;line-height:1.1;font-variant-numeric:tabular-nums}
.kpis dd small{display:block;font-size:12.5px;font-weight:400;color:var(--ink-50);
  margin-top:5px;letter-spacing:0}

[id]{scroll-margin-top:86px}
.stack{display:grid;gap:18px;align-content:start}
.mt0{margin-top:0}
.mt-s{margin-top:16px}
.mt-m{margin-top:28px}
.mt-l{margin-top:clamp(32px,4vw,48px)}
.center{text-align:center}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}
@media print{.nav,.foot,.btns{display:none}body{background:#fff}}