:root{
    --paper:#F1F3EF;
    --paper-2:#E7EAE4;
    --ink:#15181A;
    --graphite:#5B6269;
    --rule:#C6CCC3;
    --anot:#B93A2B;
    --focus:#15181A;
    --sans:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
    --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
    --disp:"Archivo","Helvetica Neue",Arial,sans-serif;
    --mx:clamp(1rem,4vw,3rem);
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth;background:var(--paper)}
  body{
    margin:0;background:transparent;color:var(--ink);
    font-family:var(--sans);font-size:16px;line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  main,footer{position:relative;z-index:1}
  a{color:inherit}
  :focus-visible{outline:2px solid var(--focus);outline-offset:3px}

  /* ---------- estructura de documento anotado ---------- */
  .wrap{max-width:1180px;margin:0 auto;padding:0 var(--mx)}
  .doc{
    display:grid;grid-template-columns:150px minmax(0,1fr) 190px;
    gap:0 32px;border-top:1px solid var(--rule);padding:56px 0;
  }
  .doc__inid{
    font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;
    color:var(--graphite);text-transform:uppercase;padding-top:6px;
  }
  .doc__inid b{display:block;color:var(--ink);font-weight:500;font-size:.86rem;letter-spacing:.02em}
  .doc__body{min-width:0}
  .doc__note{
    font-family:var(--mono);font-style:italic;font-size:.78rem;line-height:1.5;
    color:var(--anot);padding-top:8px;border-left:1px solid var(--anot);padding-left:12px;
    align-self:start;opacity:0;transform:translateY(6px);transition:opacity .5s ease,transform .5s ease;
  }
  .doc__note.is-in{opacity:1;transform:none}
  .doc__side{align-self:start}
  .doc__side .doc__note{margin:0}
  .fig{display:block;width:100%;max-width:180px;color:var(--graphite);margin-bottom:8px;
       fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
  .fig text{stroke:none;fill:currentColor;font-family:var(--mono);font-size:8px}
  .figcap{display:block;font-family:var(--mono);font-size:.64rem;letter-spacing:.09em;
          text-transform:uppercase;color:var(--graphite);margin-bottom:14px}
  .bgwash{position:fixed;inset:0;z-index:0;pointer-events:none;
    background:
      radial-gradient(58% 48% at 10% 16%, rgba(38,70,104,.20), transparent 70%),
      radial-gradient(52% 44% at 90% 84%, rgba(185,58,43,.14), transparent 72%),
      radial-gradient(48% 40% at 78% 12%, rgba(62,125,79,.10), transparent 70%),
      radial-gradient(72% 62% at 52% 48%, rgba(247,249,245,.72), transparent 76%);}
  .grain{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.30;mix-blend-mode:multiply;
    background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/><feColorMatrix type='saturate' values='0'/></filter><rect width='180' height='180' filter='url(%23n)' opacity='0.55'/></svg>");}
  .bg{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.18;overflow:hidden;
      color:#22303C;fill:none;stroke:currentColor;stroke-width:1.1;
      will-change:transform;transition:none}

  h1,h2,h3{font-family:var(--disp);font-weight:800;letter-spacing:-.022em;line-height:1.05;margin:0}
  h2{font-size:clamp(1.5rem,3.4vw,2.2rem);margin-bottom:14px}
  h3{font-size:1.02rem;font-weight:700;letter-spacing:-.01em;margin-bottom:6px}
  p{margin:0 0 14px}
  .lede{font-size:1.05rem;color:var(--graphite);max-width:56ch}
  .small{font-size:.86rem;color:var(--graphite)}
  .mono{font-family:var(--mono)}

  /* ---------- barra superior ---------- */
  header.bar{
    position:sticky;top:0;z-index:40;background:rgba(241,243,239,.94);
    backdrop-filter:blur(8px);border-bottom:1px solid var(--rule);
  }
  .bar__in{display:flex;align-items:center;gap:16px;height:60px}
  .brand{font-family:var(--disp);font-weight:800;letter-spacing:-.03em;font-size:1.05rem}
  .brand span{color:var(--graphite);font-weight:500}
  .bar__sp{flex:1}
  .status{
    font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;
    display:inline-flex;align-items:center;gap:7px;color:var(--graphite);
  }
  .dot{width:7px;height:7px;border-radius:50%;background:#3E7D4F}
  .status.is-full .dot{background:var(--anot)}
  .navlinks{display:flex;gap:18px;font-size:.85rem}
  .navlinks a{text-decoration:none;color:var(--graphite)}
  .navlinks a:hover{color:var(--ink)}

  /* ---------- hero ---------- */
  .hero{padding:72px 0 8px;border-top:none}
  .hero h1{font-size:clamp(2.1rem,6vw,3.9rem);max-width:16ch}
  .hero h1 em{font-style:normal;color:var(--anot)}
  .herometa{
    display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:28px;
    font-family:var(--mono);font-size:.78rem;color:var(--graphite);
  }
  .herometa b{color:var(--ink);font-weight:500}

  .btn{
    display:inline-block;background:var(--ink);color:var(--paper);
    font-family:var(--sans);font-weight:600;font-size:.95rem;
    padding:13px 22px;border:1px solid var(--ink);border-radius:2px;
    text-decoration:none;cursor:pointer;transition:background .15s,color .15s;
  }
  .btn:hover{background:transparent;color:var(--ink)}
  .btn--ghost{background:transparent;color:var(--ink)}
  .btn--ghost:hover{background:var(--ink);color:var(--paper)}
  .btn[disabled]{opacity:.4;cursor:not-allowed}
  .btnrow{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

  /* ---------- bloques ---------- */
  .grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:26px}
  .card{border:1px solid var(--rule);padding:20px;border-radius:2px;background:var(--paper)}
  .card--off{background:var(--paper-2);border-style:dashed}
  .card--off h3{color:var(--graphite)}

  .steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:18px}
  .steps li{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start}
  .steps li::before{
    counter-increment:s;content:counter(s,decimal-leading-zero);
    font-family:var(--mono);font-size:.8rem;color:var(--anot);
    border-top:1px solid var(--anot);padding-top:5px;
  }

  table.corr{width:100%;border-collapse:collapse;font-size:.86rem;margin-top:4px}
  table.corr th,table.corr td{border:1px solid var(--rule);padding:9px 11px;text-align:left;vertical-align:top}
  table.corr th{font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:var(--graphite);font-weight:400;background:var(--paper-2)}
  table.corr td.hit{color:var(--anot)}
  .scroller{overflow-x:auto}

  /* ---------- filtro previo ---------- */
  .filter{border:1px solid var(--ink);padding:22px;border-radius:2px}
  .opts{display:grid;gap:8px;margin:14px 0 0}
  .opt{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--rule);padding:11px 13px;border-radius:2px;cursor:pointer}
  .opt:hover{border-color:var(--ink)}
  .opt input{margin-top:4px}
  .verdict{margin-top:16px;padding:14px;border-left:3px solid var(--ink);background:var(--paper-2);font-size:.9rem;display:none}
  .verdict.show{display:block}
  .verdict.bad{border-left-color:var(--anot)}

  /* ---------- formulario ---------- */
  .form{border:1px solid var(--rule);border-radius:2px;background:var(--paper);overflow:hidden}
  .form__head{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--rule);background:var(--paper-2)}
  .form__head .mono{font-size:.72rem;letter-spacing:.07em;text-transform:uppercase;color:var(--graphite)}
  .prog{display:flex;gap:4px}
  .prog i{width:26px;height:3px;background:var(--rule);display:block}
  .prog i.on{background:var(--anot)}
  .step{display:none;padding:22px 18px}
  .step.on{display:block}
  .qnum{font-family:var(--mono);font-size:.72rem;color:var(--graphite);letter-spacing:.07em}
  label.q{display:block;font-family:var(--disp);font-weight:700;font-size:1.15rem;letter-spacing:-.01em;margin:4px 0 6px}
  .hint{font-size:.85rem;color:var(--graphite);margin-bottom:10px}
  .ex{font-family:var(--mono);font-size:.78rem;color:var(--anot);border-left:1px solid var(--anot);padding-left:11px;margin:0 0 12px}
  input[type=text],input[type=email],input[type=tel],input[type=date],textarea,select{
    width:100%;font-family:var(--sans);font-size:.95rem;color:var(--ink);
    background:var(--paper);border:1px solid var(--rule);border-radius:2px;padding:11px 12px;
  }
  textarea{min-height:120px;resize:vertical;line-height:1.55}
  input:focus,textarea:focus,select:focus{border-color:var(--ink);outline:none;box-shadow:0 0 0 2px rgba(21,24,26,.12)}
  .counter{font-family:var(--mono);font-size:.74rem;color:var(--graphite);margin-top:6px;display:flex;justify-content:space-between;gap:10px}
  .counter.ok{color:#3E7D4F}
  .fieldrow{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
  .field{margin-bottom:16px}
  .field > .lbl{display:block;font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--graphite);margin-bottom:5px}
  .audio{display:flex;align-items:center;gap:10px;margin-top:10px;flex-wrap:wrap}
  .audio button{font-family:var(--mono);font-size:.78rem;background:transparent;border:1px solid var(--ink);border-radius:2px;padding:7px 12px;cursor:pointer;color:var(--ink)}
  .audio button.rec{background:var(--anot);border-color:var(--anot);color:#fff}
  .drop{border:1px dashed var(--rule);border-radius:2px;padding:22px;text-align:center;color:var(--graphite);font-size:.9rem;cursor:pointer}
  .drop:hover{border-color:var(--ink);color:var(--ink)}
  .files{list-style:none;padding:0;margin:12px 0 0;font-family:var(--mono);font-size:.8rem}
  .files li{display:flex;justify-content:space-between;gap:10px;border-bottom:1px solid var(--rule);padding:7px 0}
  .files button{background:none;border:none;color:var(--anot);cursor:pointer;font-family:var(--mono);font-size:.8rem}
  .form__foot{display:flex;justify-content:space-between;gap:12px;padding:16px 18px;border-top:1px solid var(--rule);background:var(--paper-2)}
  .err{color:var(--anot);font-size:.84rem;margin-top:8px;display:none}
  .err.show{display:block}
  .office{font-family:var(--mono);font-size:.8rem;color:var(--anot);margin-top:8px;min-height:1.2em}
  .check{display:flex;gap:10px;align-items:flex-start;font-size:.87rem;margin-top:12px}

  .faq details{border-bottom:1px solid var(--rule);padding:13px 0}
  .faq summary{cursor:pointer;font-weight:600;list-style:none}
  .faq summary::-webkit-details-marker{display:none}
  .faq summary::before{content:"+";font-family:var(--mono);color:var(--anot);margin-right:9px}
  .faq details[open] summary::before{content:"–"}
  .faq p{margin:10px 0 0;font-size:.92rem;color:var(--graphite)}

  footer{border-top:1px solid var(--rule);margin-top:40px;padding:34px 0 60px;font-size:.84rem;color:var(--graphite)}
  footer .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:22px}
  footer a{text-decoration:none}
  footer a:hover{text-decoration:underline}

  .maqueta{
    background:var(--ink);color:var(--paper);font-family:var(--mono);font-size:.74rem;
    padding:8px var(--mx);letter-spacing:.05em;text-align:center;
  }

  @media (max-width:900px){
    .doc{grid-template-columns:1fr;gap:14px;padding:40px 0}
    .doc__note{border-left:none;border-top:1px solid var(--anot);padding-left:0;padding-top:10px;opacity:1;transform:none}
    .navlinks{display:none}
    .fig{max-width:110px}
    .bg{opacity:.10}
    .grain{opacity:.2}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none!important;animation:none!important}
    html{scroll-behavior:auto}
  }