:root{
    --ink:#0B1220;
    --ink-2:#101B30;
    --ink-3:#182741;
    --line-dark:#28354D;
    --paper:#F4F6F8;
    --paper-2:#FFFFFF;
    --line:#DBE0E7;
    --gold:#AD8A46;
    --gold-deep:#8A6D33;
    --gold-soft:#E6D6AE;
    --verify:#2E6E52;
    --verify-soft:#DCEBE3;
    --alert:#A33F3F;
    --alert-soft:#F3E1DF;
    --text:#101522;
    --text-soft:#4B5568;
    --text-faint:#7C8698;
    --on-dark:#E9EBF1;
    --on-dark-soft:#9BA7BC;
    --r-s:3px;
    --r-m:6px;
    --serif:'Source Serif 4', Georgia, 'Times New Roman', serif;
    --sans:'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --mono:'IBM Plex Mono', monospace;
    --maxw:1180px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{margin:0;font-family:var(--sans);color:var(--text);background:var(--paper);line-height:1.55;-webkit-font-smoothing:antialiased;}
  img{max-width:100%;display:block;}
  a{color:inherit;}
  h1,h2,h3,h4{font-family:var(--serif);font-weight:600;margin:0;line-height:1.15;letter-spacing:-0.01em;}
  p{margin:0;}
  .container{max-width:var(--maxw);margin:0 auto;padding:0 28px;}
  .section{padding:96px 0;}
  @media (max-width:720px){ .section{padding:64px 0;} }
  .section-dark{background:var(--ink);color:var(--on-dark);}
  .section-line{border-top:1px solid var(--line);}
  .section-line-dark{border-top:1px solid var(--line-dark);}
  .eyebrow-none{ } /* deliberately no tracked-out eyebrow labels used in this design */

  .kicker{font-family:var(--mono);font-size:12.5px;color:var(--gold-deep);letter-spacing:0.02em;margin:0 0 14px;}
  .section-dark .kicker{color:var(--gold-soft);}

  .h-lg{font-size:clamp(28px,3.6vw,42px);max-width:16ch;}
  .h-md{font-size:clamp(24px,2.8vw,32px);}
  .h-xl{font-size:clamp(32px,4.6vw,50px);max-width:19ch;}
  .subhero{padding:72px 0 60px;}
  .subhero .lede{max-width:62ch;margin-top:18px;font-size:18.5px;}
  .breadcrumb{font-family:var(--mono);font-size:12px;color:var(--gold-soft);letter-spacing:0.03em;margin-bottom:18px;}
  .breadcrumb a{color:var(--gold-soft);text-decoration:none;}
  .breadcrumb a:hover{text-decoration:underline;}
  .lede{font-size:18px;color:var(--text-soft);max-width:60ch;margin-top:16px;}
  .section-dark .lede{color:var(--on-dark-soft);}

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:10px;
    font-family:var(--sans);font-weight:600;font-size:14.5px;letter-spacing:0.03em;text-transform:uppercase;
    padding:15px 28px;border-radius:var(--r-s);border:1.5px solid transparent;cursor:pointer;
    text-decoration:none;transition:background .15s ease, border-color .15s ease, color .15s ease, transform .1s ease;
    white-space:nowrap;
  }
  .btn:active{transform:translateY(1px);}
  .btn-primary{background:var(--gold);color:#1A1305;border-color:var(--gold);}
  .btn-primary:hover{background:var(--gold-deep);border-color:var(--gold-deep);}
  .btn-outline{background:transparent;color:var(--on-dark);border-color:var(--line-dark);}
  .btn-outline:hover{border-color:var(--gold-soft);color:var(--gold-soft);}
  .btn-outline-light{background:transparent;color:var(--ink);border-color:var(--line);}
  .btn-outline-light:hover{border-color:var(--ink);}
  .btn-ghost-dark{background:transparent;color:var(--on-dark);border-color:transparent;text-decoration:underline;text-underline-offset:4px;text-transform:none;letter-spacing:0;font-weight:500;padding:15px 6px;}
  .btn-block{width:100%;}
  .btn-sm{padding:11px 18px;font-size:13px;}

  /* ---------- Nav ---------- */
  header.nav{
    position:sticky;top:0;z-index:50;background:rgba(11,18,32,0.92);backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line-dark);
  }
  .nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 28px;height:72px;display:flex;align-items:center;justify-content:space-between;}
  .brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--on-dark);}
  .brand svg{flex:none;}
  .brand-word{font-family:var(--serif);font-weight:600;font-size:19px;letter-spacing:0.01em;}
  .brand-word b{color:var(--gold-soft);font-weight:600;}
  .nav-links{display:flex;align-items:center;gap:30px;}
  .nav-links a{color:var(--on-dark-soft);text-decoration:none;font-size:14.5px;font-weight:500;}
  .nav-links a:hover{color:var(--on-dark);}
  .nav-right{display:flex;align-items:center;gap:16px;}
  .nav-toggle{display:none;background:none;border:1px solid var(--line-dark);border-radius:var(--r-s);width:42px;height:42px;color:var(--on-dark);cursor:pointer;}
  @media (max-width:920px){
    .nav-links{display:none;}
    .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
    .nav-right .btn{display:none;}
  }
  .mobile-menu{display:none;flex-direction:column;background:var(--ink-2);border-bottom:1px solid var(--line-dark);}
  .mobile-menu.open{display:flex;}
  .mobile-menu a{padding:16px 28px;color:var(--on-dark);text-decoration:none;border-top:1px solid var(--line-dark);font-size:15px;}
  .mobile-menu .btn{margin:16px 28px 22px;}

  /* ---------- Hero ---------- */
  .hero{padding:76px 0 100px;position:relative;overflow:hidden;}
  .hero-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:64px;align-items:center;}
  @media (max-width:980px){ .hero-grid{grid-template-columns:1fr;gap:52px;} }
  .hero h1{font-size:clamp(32px,4.6vw,52px);max-width:15ch;}
  .hero .lede{font-size:19px;max-width:52ch;}
  .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px;}
  .hero-flag{display:flex;align-items:center;gap:9px;margin-top:26px;color:var(--on-dark-soft);font-size:13.5px;}

  /* Verification frame corners motif */
  .frame{position:relative;padding:2px;}
  .frame::before,.frame::after,.frame .fc1,.frame .fc2{content:"";position:absolute;width:22px;height:22px;border-color:var(--gold-soft);}
  .frame::before{top:-1px;left:-1px;border-top:2px solid var(--gold-soft);border-left:2px solid var(--gold-soft);}
  .frame::after{bottom:-1px;right:-1px;border-bottom:2px solid var(--gold-soft);border-right:2px solid var(--gold-soft);}
  .frame .fc1{top:-1px;right:-1px;border-top:2px solid var(--gold-soft);border-right:2px solid var(--gold-soft);}
  .frame .fc2{bottom:-1px;left:-1px;border-bottom:2px solid var(--gold-soft);border-left:2px solid var(--gold-soft);}

  .exam-mock{background:var(--ink-3);border:1px solid var(--line-dark);border-radius:var(--r-m);overflow:hidden;}
  .exam-mock-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--line-dark);}
  .exam-mock-bar span{font-family:var(--mono);font-size:11.5px;color:var(--on-dark-soft);}
  .dot-row{display:flex;gap:6px;}
  .dot{width:8px;height:8px;border-radius:50%;background:var(--line-dark);}
  .exam-mock-body{display:grid;grid-template-columns:1.1fr 1fr;gap:0;}
  @media (max-width:560px){ .exam-mock-body{grid-template-columns:1fr;} }
  .cam-pane{padding:18px;border-right:1px solid var(--line-dark);}
  @media (max-width:560px){ .cam-pane{border-right:none;border-bottom:1px solid var(--line-dark);} }
  .cam-box{aspect-ratio:4/3;background:linear-gradient(180deg,#1B2A46,#101B30);border-radius:var(--r-s);position:relative;display:flex;align-items:center;justify-content:center;}
  .cam-box svg{opacity:0.5;}
  .cam-status{margin-top:12px;display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--verify-soft);}
  .cam-status .chip{background:rgba(46,110,82,0.18);color:#7FCBA6;border:1px solid rgba(127,203,166,0.35);padding:4px 9px;border-radius:20px;font-size:11.5px;font-family:var(--mono);}
  .side-pane{padding:18px;display:flex;flex-direction:column;gap:14px;}
  .metric-row{display:flex;gap:10px;}
  .metric{flex:1;background:var(--ink-2);border:1px solid var(--line-dark);border-radius:var(--r-s);padding:12px;}
  .metric .num{font-family:var(--serif);font-size:22px;color:var(--on-dark);}
  .metric .lab{font-size:11px;color:var(--on-dark-soft);margin-top:2px;}
  .event-list{display:flex;flex-direction:column;gap:8px;}
  .event{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--on-dark-soft);border-left:2px solid var(--line-dark);padding:2px 0 2px 10px;}
  .event.ok{border-left-color:#7FCBA6;color:var(--on-dark);}
  .event.warn{border-left-color:#D89B6A;color:var(--on-dark);}
  .event time{font-family:var(--mono);color:var(--text-faint);margin-left:auto;font-size:11px;}

  /* ---------- Social proof ---------- */
  .proof-strip{background:var(--paper-2);border-bottom:1px solid var(--line);padding:40px 0;}
  .proof-strip .container{text-align:center;}
  .proof-strip p{font-size:14px;color:var(--text-faint);letter-spacing:0.02em;}

  /* ---------- Problem grid ---------- */
  .problem-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);margin-top:48px;border:1px solid var(--line);}
  @media (max-width:920px){ .problem-grid{grid-template-columns:1fr 1fr;} }
  @media (max-width:560px){ .problem-grid{grid-template-columns:1fr;} }
  .problem-card{background:var(--paper-2);padding:30px 26px;}
  .problem-card h3{font-size:18px;margin-bottom:10px;}
  .problem-card p{color:var(--text-soft);font-size:15px;}
  .problem-card .pn{font-family:var(--mono);font-size:12px;color:var(--gold-deep);margin-bottom:14px;display:block;}
  .problem-close{margin-top:44px;font-size:19px;font-family:var(--serif);max-width:52ch;color:var(--text);}

  /* ---------- Solution / Moodle callout ---------- */
  .callout{margin-top:40px;background:var(--ink);color:var(--on-dark);border-radius:var(--r-m);padding:44px 40px;display:flex;align-items:center;gap:28px;flex-wrap:wrap;}
  .callout .cq{font-family:var(--serif);font-size:clamp(22px,2.6vw,30px);max-width:26ch;}
  .callout .cq b{color:var(--gold-soft);font-weight:600;}
  .callout-side{margin-left:auto;font-size:14px;color:var(--on-dark-soft);border-left:1px solid var(--line-dark);padding-left:28px;max-width:26ch;}
  @media (max-width:760px){ .callout-side{border-left:none;padding-left:0;margin-left:0;} }

  /* ---------- Features ---------- */
  .feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);margin-top:48px;border:1px solid var(--line);}
  @media (max-width:920px){ .feat-grid{grid-template-columns:1fr 1fr;} }
  @media (max-width:600px){ .feat-grid{grid-template-columns:1fr;} }
  .feat-card{background:var(--paper-2);padding:32px 28px;}
  .feat-icon{width:38px;height:38px;margin-bottom:18px;color:var(--gold-deep);}
  .feat-card h3{font-size:17.5px;margin-bottom:8px;}
  .feat-card p{color:var(--text-soft);font-size:14.5px;}

  /* ---------- Process ---------- */
  .process{margin-top:56px;}
  .process-row{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;}
  @media (max-width:920px){ .process-row{grid-template-columns:1fr;} }
  .process-row::before{content:"";position:absolute;top:19px;left:0;right:0;height:1px;background:var(--line-dark);}
  @media (max-width:920px){ .process-row::before{display:none;} }
  .p-step{position:relative;padding:0 20px 0 0;}
  @media (max-width:920px){ .p-step{padding:0 0 28px 26px;border-left:1px solid var(--line-dark);margin-left:19px;} }
  .p-num{width:38px;height:38px;border-radius:50%;background:var(--ink);border:1.5px solid var(--gold-soft);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:13px;color:var(--gold-soft);margin-bottom:18px;position:relative;z-index:2;}
  @media (max-width:920px){ .p-num{position:absolute;left:-19px;top:-8px;} .p-step{padding-top:0;} }
  .p-step h4{font-size:15.5px;font-family:var(--sans);font-weight:600;margin-bottom:6px;}
  .p-step p{font-size:14px;color:var(--on-dark-soft);}
  .flow-caption{margin-top:44px;font-family:var(--mono);font-size:12.5px;color:var(--gold-soft);text-align:center;letter-spacing:0.02em;}

  /* ---------- Moodle integration ---------- */
  .moodle-wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
  @media (max-width:920px){ .moodle-wrap{grid-template-columns:1fr;gap:44px;} }
  .flow-diagram{display:flex;flex-direction:column;gap:0;}
  .flow-node{display:flex;align-items:center;gap:14px;padding:16px 18px;border:1px solid var(--line);border-radius:var(--r-s);background:var(--paper-2);}
  .flow-node.active{border-color:var(--gold);background:#FBF6EC;}
  .flow-node .fnum{font-family:var(--mono);font-size:11.5px;color:var(--text-faint);width:20px;}
  .flow-node span.name{font-weight:600;font-size:14.5px;}
  .flow-connector{width:1px;height:22px;background:var(--line);margin-left:29px;}

  /* ---------- Audience ---------- */
  .aud-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark);margin-top:48px;border:1px solid var(--line-dark);}
  @media (max-width:920px){ .aud-grid{grid-template-columns:1fr 1fr;} }
  @media (max-width:560px){ .aud-grid{grid-template-columns:1fr;} }
  .aud-card{background:var(--ink-2);padding:30px 26px;}
  .aud-card h3{font-size:16px;font-family:var(--sans);color:var(--gold-soft);letter-spacing:0.02em;margin-bottom:10px;}
  .aud-card p{color:var(--on-dark-soft);font-size:14.5px;}

  /* ---------- Paraguay ---------- */
  .py-badges{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-top:44px;}
  @media (max-width:920px){ .py-badges{grid-template-columns:repeat(3,1fr);} }
  @media (max-width:560px){ .py-badges{grid-template-columns:1fr 1fr;} }
  .py-badge{padding:22px 6px;text-align:left;border-top:2px solid var(--gold);}
  .py-badge .bi{font-size:22px;margin-bottom:10px;}
  .py-badge p{font-size:13.5px;color:var(--text-soft);font-weight:500;}

  /* ---------- Security ---------- */
  .sec-list{margin-top:20px;display:flex;flex-direction:column;}
  .sec-row{display:grid;grid-template-columns:220px 1fr;gap:28px;padding:22px 0;border-top:1px solid var(--line);}
  @media (max-width:700px){ .sec-row{grid-template-columns:1fr;gap:8px;} }
  .sec-row .sk{font-weight:600;font-size:14.5px;color:var(--text);}
  .sec-row .sv{font-size:15px;color:var(--text-soft);}

  /* ---------- Use cases ---------- */
  .uc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:44px;}
  @media (max-width:920px){ .uc-grid{grid-template-columns:1fr 1fr;} }
  @media (max-width:560px){ .uc-grid{grid-template-columns:1fr;} }
  .uc-card{border:1px solid var(--line);border-radius:var(--r-m);padding:26px 22px;background:var(--paper-2);}
  .uc-card h3{font-size:16.5px;margin-bottom:8px;}
  .uc-card p{font-size:14px;color:var(--text-soft);}

  /* ---------- Differentiators ---------- */
  .diff-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-dark);margin-top:48px;border:1px solid var(--line-dark);}
  @media (max-width:920px){ .diff-grid{grid-template-columns:1fr 1fr;} }
  @media (max-width:560px){ .diff-grid{grid-template-columns:1fr;} }
  .diff-card{background:var(--ink-2);padding:28px 24px;}
  .diff-card h3{font-family:var(--sans);font-size:15px;color:var(--on-dark);margin-bottom:8px;letter-spacing:0.01em;}
  .diff-card p{font-size:13.5px;color:var(--on-dark-soft);}

  /* ---------- Demo form ---------- */
  .demo-wrap{display:grid;grid-template-columns:0.9fr 1.1fr;gap:56px;align-items:start;}
  @media (max-width:920px){ .demo-wrap{grid-template-columns:1fr;gap:36px;} }
  .demo-form{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-m);padding:32px;}
  .f-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px;}
  @media (max-width:560px){ .f-row{grid-template-columns:1fr;} }
  .f-field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;}
  .f-field label{font-size:12.5px;font-weight:600;color:var(--text-soft);}
  .f-field input,.f-field select,.f-field textarea{
    font-family:var(--sans);font-size:15px;padding:12px 13px;border:1px solid var(--line);border-radius:var(--r-s);
    background:var(--paper);color:var(--text);
  }
  .f-field input:focus,.f-field select:focus,.f-field textarea:focus{outline:2px solid var(--gold);outline-offset:1px;border-color:var(--gold);}
  .f-field textarea{resize:vertical;min-height:90px;}
  .demo-alt{margin-top:26px;padding-top:22px;border-top:1px solid var(--line);text-align:center;}
  .demo-alt p{color:var(--text-soft);font-size:14.5px;margin-bottom:14px;}
  .demo-note{font-size:12.5px;color:var(--text-faint);margin-top:12px;}

  .pilot-steps{display:flex;flex-direction:column;gap:0;margin-top:10px;}
  .pilot-step{display:flex;gap:16px;padding:16px 0;border-top:1px solid var(--line);}
  .pilot-step .pn{font-family:var(--mono);font-size:13px;color:var(--gold-deep);width:24px;flex:none;padding-top:2px;}
  .pilot-step h4{font-size:15px;margin-bottom:4px;}
  .pilot-step p{font-size:13.5px;color:var(--text-soft);}

  /* ---------- FAQ ---------- */
  .faq-item{border-top:1px solid var(--line);}
  .faq-item:last-child{border-bottom:1px solid var(--line);}
  .faq-item summary{cursor:pointer;list-style:none;padding:22px 4px;display:flex;justify-content:space-between;align-items:center;gap:20px;font-weight:600;font-size:16px;font-family:var(--serif);}
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary .plus{flex:none;width:22px;height:22px;position:relative;}
  .faq-item summary .plus::before,.faq-item summary .plus::after{content:"";position:absolute;background:var(--gold-deep);top:50%;left:50%;transform:translate(-50%,-50%);}
  .faq-item summary .plus::before{width:14px;height:2px;}
  .faq-item summary .plus::after{width:2px;height:14px;transition:transform .15s ease;}
  .faq-item[open] summary .plus::after{transform:translate(-50%,-50%) rotate(90deg) scaleY(0);}
  .faq-item p{padding:0 4px 24px;color:var(--text-soft);font-size:15px;max-width:70ch;}

  /* ---------- Final CTA ---------- */
  .final-cta{text-align:left;}
  .final-cta h2{font-size:clamp(26px,3.6vw,40px);max-width:22ch;}
  .final-cta .lede{margin-top:18px;}
  .final-cta .hero-actions{margin-top:32px;}

  /* ---------- Footer ---------- */
  footer{background:var(--ink);color:var(--on-dark-soft);padding:64px 0 28px;}
  .foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
  @media (max-width:820px){ .foot-grid{grid-template-columns:1fr 1fr;} }
  @media (max-width:560px){ .foot-grid{grid-template-columns:1fr;} }
  .foot-grid h5{font-size:13px;color:var(--on-dark);margin-bottom:16px;font-weight:600;letter-spacing:0.01em;}
  .foot-grid ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px;}
  .foot-grid a{color:var(--on-dark-soft);text-decoration:none;font-size:14px;}
  .foot-grid a:hover{color:var(--on-dark);}
  .foot-brand p{color:var(--on-dark-soft);font-size:14px;margin-top:12px;max-width:32ch;}
  .foot-bottom{margin-top:56px;padding-top:24px;border-top:1px solid var(--line-dark);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--text-faint);}

  /* ---------- Mobile sticky CTA ---------- */
  .sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--ink);border-top:1px solid var(--line-dark);display:none;padding:10px 14px;gap:10px;}
  .sticky-cta .btn{flex:1;padding:13px 10px;font-size:12.5px;}
  @media (max-width:720px){ .sticky-cta{display:flex;} body{padding-bottom:66px;} }

  .visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);}
  :focus-visible{outline:2px solid var(--gold);outline-offset:2px;}
  @media (prefers-reduced-motion: reduce){ *{animation:none !important;transition:none !important;scroll-behavior:auto !important;} }

/* ---------- WhatsApp floating button ---------- */
.wa-fab{
  position:fixed;right:24px;bottom:24px;z-index:65;
  display:flex;align-items:center;gap:11px;
  background:var(--ink);border:1.5px solid var(--gold-soft);border-radius:40px;
  padding:12px 18px 12px 12px;text-decoration:none;color:var(--on-dark);
  box-shadow:0 4px 18px rgba(11,18,32,0.22);
  transition:border-color .15s ease, transform .1s ease;
}
.wa-fab:hover{border-color:var(--gold);transform:translateY(-1px);}
.wa-fab:active{transform:translateY(0);}
.wa-fab-icon{
  flex:none;width:34px;height:34px;border-radius:50%;background:var(--gold-soft);
  display:flex;align-items:center;justify-content:center;
}
.wa-fab-icon svg{width:18px;height:18px;}
.wa-fab-text{display:flex;flex-direction:column;line-height:1.25;}
.wa-fab-text strong{font-size:13.5px;font-weight:600;}
.wa-fab-text span{font-size:11.5px;color:var(--on-dark-soft);}
@media (max-width:720px){
  .wa-fab{display:none;} /* la barra inferior mobile ya incluye WhatsApp */
}
@media (prefers-reduced-motion: reduce){ .wa-fab{transition:none;} }