/* Landing · estilos (hero, secciones, modales de acceso y contacto). Movido verbatim desde index.html. */
  *,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
  :root{
    --gold:#4A8FD6; --gold-h:#7FB2E6; --gold-dim:rgba(74,143,214,.10); --gold-bd:rgba(74,143,214,.20);
    --ink:#0B1110; --mut:#5A5A4F; --hair:rgba(74,143,214,.16);
  }
  html,body{height:100%}
  body{font-family:'Roboto',sans-serif;font-weight:300;background:#FFFFFF;color:var(--ink);
    min-height:100dvh;display:flex;flex-direction:column}

  /* Header blanco (estilo saikaris.com): isotipo | FLOWTRACKER + idiomas */
  .top{padding:0 28px;height:54px;display:flex;align-items:center;gap:13px;flex-shrink:0;background:#FFFFFF;border-bottom:1px solid var(--hair)}
  .sk-iso-link{display:flex;align-items:center;text-decoration:none;flex-shrink:0}
  .sk-iso{height:28px;width:auto;display:block}
  .sk-sep{width:1px;height:18px;background:var(--gold-bd);flex-shrink:0}
  .sk-brand-sub{font-size:11px;font-weight:600;letter-spacing:.15em;color:rgba(11,17,16,.5);text-transform:uppercase;font-family:'Roboto Mono',monospace;flex-shrink:0}
  /* Logo propio FlowTracker: símbolo Γ (F sin acabar, degradado verde→azul) + wordmark */
  .ft-logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
  .ft-sym{height:26px;width:auto;display:block}
  .ft-w{font-family:'Roboto',sans-serif;font-weight:300;font-size:20px;letter-spacing:-.012em;line-height:1;color:#141414}
  .ft-w b{font-weight:600}.ft-w .t{color:#4A5652}
  /* Footer propio (landing): legal -> saikaris.com + medalla SAIKARIS pequeña y discreta (dorada) */
  .land-foot{display:flex;align-items:center;justify-content:space-between;gap:12px 18px;flex-wrap:wrap;padding:18px 28px;background:#0B1110;border-top:1px solid rgba(255,255,255,.08);width:100%;box-sizing:border-box}
  .lf-legal{display:flex;gap:7px 16px;flex-wrap:wrap;align-items:center}
  .lf-legal a{font-size:11.5px;color:rgba(255,255,255,.55);text-decoration:none}
  .lf-legal a:hover{color:var(--gold)}
  .lf-ent{font-family:'Roboto Mono',monospace;font-size:10px;letter-spacing:.04em;color:rgba(255,255,255,.35)}
  .lf-medal{display:inline-flex;align-items:center;gap:7px;text-decoration:none;opacity:.7;transition:opacity .2s}
  .lf-medal:hover{opacity:1}
  .lf-m{width:22px;height:22px;flex:none;border-radius:50%;border:1.5px solid #C79A4E;color:#C79A4E;display:flex;align-items:center;justify-content:center;font-family:'Roboto Mono',monospace;font-weight:700;font-size:10px}
  .lf-mt{font-family:'Roboto Mono',monospace;font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:#C79A4E}
  .langs{margin-left:auto;position:relative;flex-shrink:0}
  .lang-current{display:flex;align-items:center;gap:7px;background:transparent;border:1px solid rgba(0,0,0,.18);
    border-radius:0;padding:6px 9px;cursor:pointer;transition:border-color .15s}
  .lang-current:hover{border-color:var(--gold)}
  .flag{width:20px;height:14px;object-fit:cover;border-radius:1px;display:block;flex-shrink:0}
  .chev{width:6px;height:6px;border-right:1.5px solid rgba(0,0,0,.45);border-bottom:1.5px solid rgba(0,0,0,.45);transform:rotate(45deg);margin-top:-3px}
  .lang-menu{position:absolute;top:calc(100% + 6px);right:0;background:#fff;border:1px solid var(--gold-bd);
    border-radius:0;padding:4px;display:none;z-index:50;min-width:148px;box-shadow:0 8px 24px rgba(0,0,0,.12)}
  .lang-menu.open{display:block}
  .lang-opt{display:flex;align-items:center;gap:10px;padding:9px 11px;cursor:pointer;color:rgba(11,17,16,.7);
    font-size:13px;font-family:'Roboto',sans-serif;font-weight:300}
  .lang-opt:hover{background:rgba(74,143,214,.08)}
  .lang-opt.active{color:var(--gold)}

  /* Hero · banda blanca (estilo saikaris.com) */
  main{flex:1;display:flex;flex-direction:column;overflow-x:hidden;background:linear-gradient(180deg,#EEF5FB 0%,#FFFFFF 44%)}
  .hero{width:100%;max-width:1200px;margin:auto;padding:clamp(40px,5vw,72px) clamp(20px,5vw,40px);
    display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,56px);align-items:center}
  .hero>*{min-width:0}
  .hero-txt{text-align:left;display:flex;flex-direction:column;align-items:flex-start;min-width:0}
  .chip{display:inline-flex;align-items:center;gap:9px;border:none;color:var(--gold);
    font-family:'Roboto Mono',monospace;font-size:12px;letter-spacing:.22em;text-transform:uppercase;padding:0;margin-bottom:22px}
  .chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold)}
  .h-title{font-size:clamp(30px,4.6vw,52px);font-weight:300;line-height:1.12;letter-spacing:-.01em;color:var(--ink);margin-bottom:18px}
  .h-title b{color:var(--gold);font-weight:300}
  .h-sub{font-size:clamp(15px,1.5vw,19px);line-height:1.7;color:var(--mut);max-width:46ch;margin-bottom:28px}
  .h-feats{display:flex;flex-direction:column;gap:16px;margin-bottom:32px;width:100%;max-width:520px}
  .h-feat{display:flex;gap:13px;align-items:flex-start}
  .h-feat .fi{width:34px;height:34px;flex:none;border-radius:0;border:1px solid var(--gold-bd);background:transparent;
    display:flex;align-items:center;justify-content:center;color:var(--gold)}
  .h-feat .fi svg{width:17px;height:17px}
  .h-feat .ft{font-size:15px;font-weight:500;color:var(--ink);margin-bottom:2px}
  .h-feat .fd{font-size:13px;line-height:1.55;color:var(--mut)}
  /* Tarjeta CTA: acceso + pedir demo (blanca, filete dorado) */
  .h-login{width:100%;max-width:440px;background:#FFFFFF;border:1px solid var(--hair);
    border-radius:0;padding:24px 24px 22px;box-shadow:0 18px 46px rgba(11,17,16,.06);text-align:left}
  .hl-head{display:flex;align-items:center;gap:9px;margin-bottom:8px}
  .hl-head svg{width:15px;height:15px;color:var(--gold);flex:none}
  .hl-title{font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);font-family:'Roboto Mono',monospace}
  .hl-sub{font-size:13px;line-height:1.55;color:var(--mut);margin-bottom:14px}
  .hl-div{display:flex;align-items:center;gap:12px;margin:14px 0 12px}
  .hl-div::before,.hl-div::after{content:"";flex:1;height:1px;background:var(--hair)}
  .hl-div span{font-size:11px;color:rgba(11,17,16,.45);white-space:nowrap}
  .h-form{width:100%;display:flex;flex-direction:column;gap:10px}
  .h-form .field{display:flex;gap:9px}
  .h-input{flex:1;min-width:0;background:#fff;border:1px solid var(--gold-bd);padding:14px 16px;color:var(--ink);
    font-size:15px;outline:none;border-radius:0;font-family:'Roboto',sans-serif}
  .h-input::placeholder{color:rgba(11,17,16,.4)}
  .h-input:focus{border-color:var(--gold)}
  .h-btn{background:var(--gold);color:#fff;border:none;padding:14px 24px;font-size:12px;font-weight:600;
    letter-spacing:.06em;text-transform:uppercase;cursor:pointer;border-radius:0;transition:background .2s;white-space:nowrap;
    font-family:'Roboto',sans-serif}
  .h-btn:hover{background:var(--gold-h)}
  .h-err{font-size:12.5px;color:#c0392b;min-height:16px}
  .h-btn-ghost{display:block;text-align:center;background:transparent;border:1px solid var(--gold-bd);color:var(--gold);
    padding:12px 24px;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;border-radius:0;
    text-decoration:none;transition:background .2s,border-color .2s;font-family:'Roboto',sans-serif}
  .h-btn-ghost:hover{background:var(--gold-dim);border-color:var(--gold)}
  /* Botón de acceso a gran formato (mismo look que Fenshui) */
  .h-btn.block{display:block;width:100%;text-align:center;text-decoration:none;transition:background .2s}
  /* Mockup del producto */
  .hero-mock{position:relative;display:block}
  .mk-shot{display:block;width:100%;border:1px solid var(--hair);border-radius:0;
    box-shadow:0 20px 50px rgba(11,17,16,.10);background:#FFFFFF}
  @media(max-width:1000px){
    .hero{grid-template-columns:1fr;gap:30px;text-align:center}
    .hero-txt{align-items:center;text-align:center}
    .h-sub,.h-feats,.h-login{margin-left:auto;margin-right:auto}
    .h-feat{text-align:left}
    .hero-mock{order:-1;max-width:420px;margin:0 auto;width:100%}
  }

  /* ── Modal de contacto (pop-up dedicado) ── */
  /* Selector de audiencia (empresa/cliente) + claim del modo cliente */
  .aud-sel{display:inline-flex;gap:4px;background:var(--gold-dim);border:1px solid var(--hair);border-radius:999px;padding:4px;margin-bottom:16px}
  .aud-sel button{border:none;background:none;color:var(--mut);font:600 12.5px 'Roboto',sans-serif;padding:7px 16px;border-radius:999px;cursor:pointer;transition:background .15s,color .15s}
  .aud-sel button.on{background:var(--gold);color:#fff}
  .ft-claim{font-size:13.5px;color:var(--gold);font-weight:600;font-style:italic;margin:2px 0 18px;line-height:1.4}
  .co-ov{position:fixed;inset:0;background:rgba(11,17,16,.55);display:none;align-items:center;justify-content:center;z-index:80;padding:20px}
  .co-ov.open{display:flex}
  .co-modal{background:#fff;max-width:440px;width:100%;max-height:92vh;overflow:auto;border:1px solid var(--hair);box-shadow:0 24px 60px rgba(11,17,16,.28);padding:26px 24px}
  .co-h{font-size:18px;font-weight:600;color:var(--ink);margin:0 0 4px}
  .co-sub{font-size:12.5px;color:var(--mut);margin:0 0 14px}
  .co-modal label{display:block;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--mut);margin:12px 0 5px;font-family:'Roboto Mono',monospace}
  .co-modal input,.co-modal textarea{width:100%;padding:11px 12px;border:1px solid var(--hair);border-radius:0;font-size:14px;font-family:'Roboto',sans-serif;color:var(--ink);background:#fff;resize:vertical}
  .co-modal input:focus,.co-modal textarea:focus{outline:none;border-color:var(--gold)}
  .co-err{color:#c0392b;font-size:12.5px;margin:12px 0 0;min-height:0}
  .co-ok{display:none;color:var(--gold);font-size:13.5px;margin-top:14px;font-weight:500}
  .co-btn{margin-top:18px;width:100%;padding:14px;border:none;background:var(--gold);color:#fff;font-size:13px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;cursor:pointer;font-family:'Roboto',sans-serif}
  .co-btn:hover{background:var(--gold-h)}
  .co-btn:disabled{opacity:.6;cursor:default}
  .co-x{float:right;background:none;border:none;font-size:22px;line-height:1;color:var(--mut);cursor:pointer;margin:-6px -4px 0 0}
  .co-note{font-size:11px;color:var(--mut);line-height:1.5;margin-top:10px}
  .co-opt{opacity:.55;font-weight:400}
  .co-or{display:flex;align-items:center;gap:10px;margin:14px 0 2px}
  .co-or::before,.co-or::after{content:"";flex:1;height:1px;background:var(--hair)}
  .co-or span{font-size:11px;color:rgba(11,17,16,.45)}
  .co-wa{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;margin-top:10px;padding:13px;text-decoration:none;background:#25D366;color:#fff;font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;font-family:'Roboto',sans-serif;border:none}
  .co-wa:hover{background:#1EBE5D}
  .co-wa svg{width:18px;height:18px;flex:none}
  /* Alta gratis (taller en su modal; cliente → su app) */
  .alta-abrir{display:block;margin:10px auto 0;background:none;border:0;font-size:12px;color:var(--muted);text-decoration:none;cursor:pointer;font-family:inherit}
  .alta-abrir b{color:var(--gold)}
  /* los módulos (js/modulos.js): el Tracker y lo que se le suma, cada uno en su tarjeta */
  .modulos{width:100%;max-width:1200px;margin:0 auto;padding:8px clamp(20px,5vw,40px) 56px}
  .modulos[hidden]{display:none}
  .mod-cab h2{font-size:clamp(24px,3vw,32px);font-weight:400;margin:0 0 6px}
  .mod-cab p{color:var(--mut);margin:0 0 22px;font-size:15px}
  .mod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
  @media (max-width:980px){.mod-grid{grid-template-columns:repeat(2,1fr)}}
  @media (max-width:620px){.mod-grid{grid-template-columns:1fr}}
  .mod{display:flex;flex-direction:column;gap:8px;padding:20px;border-radius:16px;border:1px solid var(--hair);background:#fff}
  .mod-top{display:flex;align-items:center;justify-content:space-between}
  .mod-ic{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--gold-dim);color:var(--gold)}
  .mod-ic svg{width:22px;height:22px}
  .mod-tag{font-size:10.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--mut);border:1px solid var(--hair);border-radius:999px;padding:3px 9px}
  .mod-nucleo{border-color:var(--gold);box-shadow:0 0 0 1px var(--gold) inset}
  .mod-nucleo .mod-tag{color:var(--gold);border-color:var(--gold)}
  .mod-conexion .mod-ic{background:rgba(217,138,43,.12);color:#d98a2b}
  .mod h3{margin:4px 0 0;font-size:18px;font-weight:500}
  .mod p{margin:0;color:var(--mut);font-size:14px;line-height:1.5}
  .mod ul{margin:4px 0 0;padding-left:18px;color:var(--ink);font-size:13.5px;line-height:1.6}
  .mod-link{margin-top:auto;color:var(--gold);font-weight:600;text-decoration:none;font-size:14px}