/* GlosaCero — portada (presentación) */
  :root {
    --bg: #f6f7fb; --bg-alt: #eef1f8; --card: #ffffff; --card-2: #f8fafc; --text: #0f172a; --muted: #475569; --faint: #64748b; --border: #e2e8f0;
    --primary: #2563eb; --primary-2: #0ea5e9; --primary-soft: rgba(37,99,235,.08); --primary-text: #1d4ed8;
    --ok: #16a34a; --ok-soft: rgba(22,163,74,.10); --err: #dc2626; --err-soft: rgba(220,38,38,.09); --warn: #d97706;
    --sombra: 0 1px 2px rgba(15,23,42,.04), 0 12px 32px rgba(15,23,42,.08); --sombra-fuerte: 0 30px 80px rgba(37,99,235,.18);
    --rejilla: rgba(15,23,42,.05); --halo-1: rgba(37,99,235,.18); --halo-2: rgba(14,165,233,.14);
  }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) { --bg: #06080d; --bg-alt: #0b0f17; --card: #10141f; --card-2: #141a27; --text: #f1f5f9; --muted: #a3adc2; --faint: #7d879c; --border: rgba(255,255,255,.08);
      --primary: #60a5fa; --primary-2: #38bdf8; --primary-soft: rgba(96,165,250,.12); --primary-text: #93c5fd; --ok: #4ade80; --ok-soft: rgba(74,222,128,.12); --err: #f87171; --err-soft: rgba(248,113,113,.12); --warn: #fbbf24;
      --sombra: 0 1px 2px rgba(0,0,0,.3), 0 16px 40px rgba(0,0,0,.35); --sombra-fuerte: 0 30px 90px rgba(37,99,235,.25); --rejilla: rgba(255,255,255,.04); --halo-1: rgba(37,99,235,.28); --halo-2: rgba(14,165,233,.16); }
  }
  :root[data-theme="dark"] { --bg: #06080d; --bg-alt: #0b0f17; --card: #10141f; --card-2: #141a27; --text: #f1f5f9; --muted: #a3adc2; --faint: #7d879c; --border: rgba(255,255,255,.08);
    --primary: #60a5fa; --primary-2: #38bdf8; --primary-soft: rgba(96,165,250,.12); --primary-text: #93c5fd; --ok: #4ade80; --ok-soft: rgba(74,222,128,.12); --err: #f87171; --err-soft: rgba(248,113,113,.12); --warn: #fbbf24;
    --sombra: 0 1px 2px rgba(0,0,0,.3), 0 16px 40px rgba(0,0,0,.35); --sombra-fuerte: 0 30px 90px rgba(37,99,235,.25); --rejilla: rgba(255,255,255,.04); --halo-1: rgba(37,99,235,.28); --halo-2: rgba(14,165,233,.16); }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; scroll-padding-top: 76px; }
  body { font-family: 'Plus Jakarta Sans', system-ui, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; font-size: 15.5px; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
  a { color: var(--primary); }
  .wrap { max-width: 1160px; margin: 0 auto; padding: 0 16px; }
  .estrecho { max-width: 820px; }
  .grad { background: linear-gradient(100deg, var(--primary), var(--primary-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
  .marca-cero { color: var(--primary); }

  /* Encabezado */
  .top { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 78%, transparent); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); border-bottom: 1px solid transparent; transition: border-color .2s; }
  .top.is-scroll { border-bottom-color: var(--border); }
  .top-in { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 66px; }
  .brand { display: inline-flex; align-items: center; gap: 9px; color: inherit; text-decoration: none; }
  .brand .logo { display: inline-grid; place-items: center; color: var(--primary); }
  .brand strong { font-size: 18px; letter-spacing: -.02em; }
  .top-nav { display: flex; align-items: center; gap: 22px; }
  .top-nav a:not(.btn) { font-size: 14px; font-weight: 600; color: var(--muted); text-decoration: none; }
  .top-nav a:not(.btn):hover { color: var(--text); }

  /* Botones */
  .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 20px; font: inherit; font-size: 15px; font-weight: 700; text-decoration: none; border-radius: 12px; border: 1px solid transparent; transition: transform .15s, box-shadow .2s, border-color .2s, filter .2s; }
  .btn:hover { transform: translateY(-1px); }
  .btn-sm { min-height: 38px; padding: 0 15px; font-size: 14px; border-radius: 10px; }
  .btn-primary { color: #fff; background: linear-gradient(135deg, #2563eb, #1d4ed8); box-shadow: 0 10px 28px rgba(37,99,235,.32), inset 0 1px 0 rgba(255,255,255,.18); }
  .btn-primary:hover { filter: brightness(1.07); box-shadow: 0 14px 34px rgba(37,99,235,.4); }
  .btn-primary svg { transition: transform .2s; }
  .btn-primary:hover svg { transform: translateX(3px); }
  .btn-ghost { color: var(--text); background: var(--card); border-color: var(--border); }
  .btn-ghost:hover { border-color: var(--primary); }
  .btn-blanco { color: #1d4ed8; background: #fff; }
  .btn-borde { color: #fff; border-color: rgba(255,255,255,.45); }
  .btn-borde:hover { border-color: #fff; }
  .tema-btn { display: inline-grid; place-items: center; width: 38px; height: 38px; padding: 0; color: var(--muted); background: transparent; border: 1px solid var(--border); border-radius: 10px; cursor: pointer; }
  .tema-btn:hover { color: var(--text); border-color: var(--primary); }
  .tema-sol, .tema-luna { display: inline-grid; place-items: center; }
  .tema-btn .tema-luna { display: none; }
  :root[data-theme="light"] .tema-btn .tema-sol { display: none; }
  :root[data-theme="light"] .tema-btn .tema-luna { display: inline-grid; }

  /* Hero */
  .hero { position: relative; padding: 64px 0 40px; overflow: hidden; }
  .hero-fondo { position: absolute; inset: 0; pointer-events: none; }
  .halo { position: absolute; border-radius: 50%; filter: blur(70px); }
  .halo-1 { width: 620px; height: 620px; top: -260px; left: -120px; background: var(--halo-1); animation: flotar 14s ease-in-out infinite; }
  .halo-2 { width: 520px; height: 520px; top: -120px; right: -160px; background: var(--halo-2); animation: flotar 18s ease-in-out infinite reverse; }
  .rejilla { position: absolute; inset: 0; background-image: linear-gradient(var(--rejilla) 1px, transparent 1px), linear-gradient(90deg, var(--rejilla) 1px, transparent 1px); background-size: 44px 44px; -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, #000 30%, transparent 75%); mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, #000 30%, transparent 75%); }
  .hero-in { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: 48px; }
  .chip { display: inline-flex; align-items: center; gap: 8px; padding: 6px 13px; margin-bottom: 20px; font-size: 12.5px; font-weight: 700; color: var(--primary-text); background: var(--primary-soft); border: 1px solid color-mix(in srgb, var(--primary) 22%, transparent); border-radius: 999px; }
  .chip-punto { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 0 var(--ok); animation: latido 2.2s infinite; }
  h1 { font-size: clamp(34px, 4.6vw, 56px); line-height: 1.06; letter-spacing: -.035em; font-weight: 800; }
  .lead { max-width: 560px; margin-top: 20px; font-size: 17.5px; color: var(--muted); }
  .lead strong { color: var(--text); }
  .cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
  .hero-sellos { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 26px; list-style: none; }
  .hero-sellos li { display: inline-flex; align-items: center; gap: 7px; font-size: 13.5px; font-weight: 600; color: var(--muted); }
  .hero-sellos svg { color: var(--ok); }

  /* Demostración */
  .demo { position: relative; padding: 26px 18px 78px; perspective: 1400px; }
  .demo-ventana { position: relative; background: var(--card); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--sombra-fuerte), var(--sombra); overflow: hidden; transform: rotateY(-8deg) rotateX(4deg); transform-style: preserve-3d; transition: transform .6s cubic-bezier(.2,.8,.2,1); }
  .demo:hover .demo-ventana { transform: rotateY(-2deg) rotateX(1deg); }
  .demo-nota { margin: 0; padding: 8px 16px 0; font-size: 11.5px; line-height: 1.4; color: var(--muted, #64748b); }
  .demo-barra { display: flex; align-items: center; gap: 6px; padding: 11px 14px; border-bottom: 1px solid var(--border); background: var(--card-2); }
  .demo-barra span { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }
  .demo-barra span:nth-child(1) { background: #f87171; } .demo-barra span:nth-child(2) { background: #fbbf24; } .demo-barra span:nth-child(3) { background: #4ade80; }
  .demo-barra b { margin-left: 8px; font-size: 12.5px; font-weight: 600; color: var(--faint); }
  .demo-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 14px; }
  .demo-kpi { padding: 10px 12px; border: 1px solid var(--border); border-radius: 12px; background: var(--card-2); transition: background .4s, border-color .4s; }
  .demo-kpi small { display: block; font-size: 11.5px; color: var(--faint); }
  .demo-kpi strong { font-size: 22px; letter-spacing: -.02em; }
  .demo-kpi.is-err { border-color: color-mix(in srgb, var(--err) 35%, transparent); background: var(--err-soft); }
  .demo-kpi.is-err strong { color: var(--err); }
  .demo-kpi.is-ok { border-color: color-mix(in srgb, var(--ok) 35%, transparent); background: var(--ok-soft); }
  .demo-kpi.is-ok strong { color: var(--ok); }
  .demo-filas { list-style: none; padding: 0 14px; display: grid; gap: 8px; }
  .demo-filas li { display: grid; grid-template-columns: 26px 1fr; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--border); border-radius: 12px; transition: border-color .4s, background .4s; }
  .demo-filas b { display: block; font-size: 13px; }
  .demo-filas small { display: flex; gap: 6px; align-items: center; margin-top: 2px; }
  .demo-filas code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; padding: 1px 7px; border-radius: 6px; transition: opacity .3s; }
  .demo-filas .antes { color: var(--err); background: var(--err-soft); text-decoration: line-through; text-decoration-color: transparent; }
  .demo-filas .despues { color: var(--ok); background: var(--ok-soft); opacity: 0; transform: translateX(-4px); transition: opacity .35s, transform .35s; }
  .demo-est { width: 26px; height: 26px; border-radius: 8px; background: var(--err-soft); position: relative; transition: background .35s; }
  .demo-est::before, .demo-est::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 2.4px; background: var(--err); border-radius: 2px; transform: translate(-50%,-50%) rotate(45deg); transition: all .35s; }
  .demo-est::after { transform: translate(-50%,-50%) rotate(-45deg); }
  .demo-filas li.is-ok { border-color: color-mix(in srgb, var(--ok) 35%, transparent); background: color-mix(in srgb, var(--ok-soft) 50%, transparent); }
  .demo-filas li.is-ok .antes { text-decoration-color: var(--err); opacity: .55; }
  .demo-filas li.is-ok .despues { opacity: 1; transform: none; }
  .demo-filas li.is-ok .demo-est { background: var(--ok-soft); }
  .demo-filas li.is-ok .demo-est::before { background: var(--ok); width: 6px; transform: translate(-90%,-10%) rotate(45deg); }
  .demo-filas li.is-ok .demo-est::after { background: var(--ok); width: 12px; transform: translate(-30%,-50%) rotate(-50deg); }
  .demo-listo { display: flex; align-items: center; gap: 8px; margin: 14px; padding: 11px 14px; font-size: 13.5px; font-weight: 700; color: var(--ok); background: var(--ok-soft); border-radius: 12px; opacity: 0; transform: translateY(6px); transition: opacity .4s, transform .4s; }
  .demo-listo.is-on { opacity: 1; transform: none; }
  .flota { position: absolute; display: flex; align-items: center; gap: 10px; padding: 10px 14px; background: var(--card); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--sombra); animation: flotar 7s ease-in-out infinite; z-index: 2; }
  .flota small { display: block; font-size: 11px; color: var(--faint); }
  .flota b { display: block; font-size: 12.5px; white-space: nowrap; }
  .flota-1 { left: -18px; bottom: 6px; }
  .flota-2 { right: -10px; top: 0; animation-delay: -3s; }
  .flota-ico { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; font-size: 10.5px; font-weight: 800; }
  .flota-ico.is-pdf { color: #fff; background: linear-gradient(135deg, #ef4444, #dc2626); }
  .flota-ico.is-reloj { color: var(--warn); background: color-mix(in srgb, var(--warn) 14%, transparent); }

  /* Normas */
  .normas { position: relative; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; margin-top: 56px; list-style: none; }
  .normas li { padding: 14px 16px; background: color-mix(in srgb, var(--card) 80%, transparent); border: 1px solid var(--border); border-radius: 14px; }
  .normas b { display: block; font-size: 14px; }
  .normas span { font-size: 12.5px; color: var(--faint); line-height: 1.4; }

  /* Bloques */
  .bloque { padding: 92px 0; }
  .bloque-alt { background: var(--bg-alt); }
  .titulo { max-width: 760px; margin: 0 auto 44px; text-align: center; }
  .eyebrow { margin-bottom: 10px; font-size: 13px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--primary); }
  h2 { font-size: clamp(26px, 3.4vw, 40px); line-height: 1.12; letter-spacing: -.03em; font-weight: 800; }
  .sub { max-width: 640px; margin: 14px auto 0; font-size: 16.5px; color: var(--muted); }
  .sub.izq { margin-left: 0; }

  /* Antes / después */
  .antes-despues { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 22px; max-width: 920px; margin: 0 auto; }
  .cmp-col { padding: 20px; background: var(--card); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--sombra); }
  .cmp-tit { margin-bottom: 12px; font-size: 12.5px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--faint); }
  .cmp-lista { list-style: none; display: grid; gap: 8px; }
  .cmp-lista li { display: flex; align-items: center; gap: 10px; padding: 9px 12px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; border-radius: 10px; background: var(--card-2); border: 1px solid var(--border); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .cmp-lista.is-antes li { color: var(--muted); }
  .cmp-lista.is-antes li:nth-child(odd) { transform: rotate(-.6deg); } .cmp-lista.is-antes li:nth-child(even) { transform: rotate(.5deg) translateX(6px); }
  .cmp-lista.is-despues li { color: var(--text); border-color: color-mix(in srgb, var(--ok) 25%, var(--border)); }
  .tipo { flex: none; padding: 2px 7px; font-family: 'Plus Jakarta Sans', sans-serif; font-size: 10.5px; font-weight: 800; color: var(--primary-text); background: var(--primary-soft); border-radius: 6px; }
  .cmp-flecha { display: grid; place-items: center; width: 64px; height: 64px; color: #fff; background: linear-gradient(135deg, #3b82f6, #0ea5e9); border-radius: 50%; box-shadow: 0 12px 30px rgba(37,99,235,.35); }
  .revela.is-vista .cmp-lista.is-despues li { animation: entrar .5s both; }
  .revela.is-vista .cmp-lista.is-despues li:nth-child(2) { animation-delay: .08s; } .revela.is-vista .cmp-lista.is-despues li:nth-child(3) { animation-delay: .16s; }
  .revela.is-vista .cmp-lista.is-despues li:nth-child(4) { animation-delay: .24s; } .revela.is-vista .cmp-lista.is-despues li:nth-child(5) { animation-delay: .32s; }

  /* Módulos (bento) */
  .bento { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
  .caja { position: relative; padding: 24px; background: var(--card); border: 1px solid var(--border); border-radius: 18px; transition: transform .25s, box-shadow .25s, border-color .25s; overflow: hidden; }
  .caja::after { content: ""; position: absolute; inset: 0; border-radius: inherit; background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), var(--primary-soft), transparent 45%); opacity: 0; transition: opacity .3s; pointer-events: none; }
  .caja:hover { transform: translateY(-3px); box-shadow: var(--sombra); border-color: color-mix(in srgb, var(--primary) 30%, var(--border)); }
  .caja:hover::after { opacity: 1; }
  .caja-glosas { grid-column: span 2; grid-row: span 2; }
  .caja-ico { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 14px; color: #fff; background: linear-gradient(135deg, #3b82f6, #2563eb); border-radius: 12px; box-shadow: 0 8px 20px rgba(37,99,235,.28); }
  .caja-ico svg { width: 22px; height: 22px; }
  .caja h3 { font-size: 18px; letter-spacing: -.01em; margin-bottom: 6px; }
  .caja p { font-size: 14.5px; color: var(--muted); }
  .caja-glosas p { font-size: 15.5px; max-width: 560px; }
  .plazos { display: grid; gap: 10px; margin-top: 26px; padding: 16px; background: var(--card-2); border: 1px solid var(--border); border-radius: 14px; }
  .plazo { display: grid; grid-template-columns: 170px 1fr 64px; align-items: center; gap: 12px; font-size: 13px; }
  .plazo span { color: var(--muted); font-weight: 600; }
  .plazo b { text-align: right; font-size: 12.5px; }
  .plazo i { position: relative; height: 8px; border-radius: 999px; background: var(--border); overflow: hidden; }
  .plazo i::after { content: ""; position: absolute; inset: 0 auto 0 0; width: var(--p); border-radius: inherit; transform-origin: left; transform: scaleX(0); transition: transform 1.1s cubic-bezier(.2,.8,.2,1); }
  .plazo i.is-rojo::after { background: linear-gradient(90deg, #f97316, #ef4444); } .plazo i.is-ambar::after { background: linear-gradient(90deg, #facc15, #f59e0b); } .plazo i.is-verde::after { background: linear-gradient(90deg, #4ade80, #16a34a); }
  .revela.is-vista .plazo i::after { transform: scaleX(1); }

  /* Pasos */
  .pasos { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; list-style: none; }
  .pasos::before { content: ""; position: absolute; top: 34px; left: 16%; right: 16%; height: 2px; background: linear-gradient(90deg, transparent, var(--primary), var(--primary-2), transparent); opacity: .5; }
  .pasos li { position: relative; padding: 0 18px; text-align: center; }
  .paso-n { position: relative; display: grid; place-items: center; width: 68px; height: 68px; margin: 0 auto 18px; font-size: 24px; font-weight: 800; color: var(--primary); background: var(--card); border: 1px solid var(--border); border-radius: 20px; box-shadow: var(--sombra); }
  .pasos b { display: block; font-size: 17px; margin-bottom: 6px; }
  .pasos li > span:not(.paso-n) { font-size: 14.5px; color: var(--muted); }

  /* Seguridad */
  .bloque-oscuro { position: relative; background: radial-gradient(900px 500px at 85% 20%, rgba(37,99,235,.22), transparent 60%), #070b14; color: #f1f5f9; }
  .bloque-oscuro .sub, .bloque-oscuro .seg-lista span { color: #a9b4c8; }
  .bloque-oscuro .eyebrow { color: #7cb4ff; }
  .bloque-oscuro .grad { background: linear-gradient(100deg, #60a5fa, #38bdf8); -webkit-background-clip: text; background-clip: text; }
  .bloque-oscuro a { color: #93c5fd; }
  .seg-in { display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: 56px; }
  .seg-lista { display: grid; gap: 16px; margin-top: 28px; list-style: none; }
  .seg-lista li { padding-left: 34px; position: relative; }
  .seg-lista li::before { content: ""; position: absolute; left: 0; top: 2px; width: 22px; height: 22px; border-radius: 7px; background: rgba(74,222,128,.14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234ade80' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 13px no-repeat; }
  .seg-lista b { display: block; font-size: 16px; }
  .seg-lista span { font-size: 14.5px; }
  .seg-visual { position: relative; padding: 20px 10px 40px; }
  .nav-caja { background: #0f1524; border: 1px solid rgba(255,255,255,.1); border-radius: 18px; box-shadow: 0 30px 80px rgba(0,0,0,.5); overflow: hidden; }
  .nav-barra { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: #131b2d; border-bottom: 1px solid rgba(255,255,255,.07); }
  .nav-barra span { width: 9px; height: 9px; border-radius: 50%; background: #334155; }
  .nav-barra i { margin-left: 10px; padding: 3px 12px; font-size: 12px; font-style: normal; color: #94a3b8; background: #0b1220; border-radius: 999px; }
  .nav-cuerpo { position: relative; display: grid; place-items: center; height: 290px; padding-bottom: 26px; }
  .nav-cuerpo small { position: absolute; bottom: 12px; font-size: 12.5px; color: #94a3b8; }
  .candado { display: grid; place-items: center; width: 84px; height: 84px; color: #fff; background: linear-gradient(135deg, #3b82f6, #2563eb); border-radius: 26px; box-shadow: 0 0 0 10px rgba(59,130,246,.12), 0 0 0 22px rgba(59,130,246,.06); }
  .archivo { position: absolute; padding: 7px 11px; font-size: 11.5px; font-weight: 800; color: #e2e8f0; background: #1b2438; border: 1px solid rgba(255,255,255,.1); border-radius: 9px; animation: orbitar 9s linear infinite; }
  .archivo.a2 { animation-delay: -3s; } .archivo.a3 { animation-delay: -6s; }
  .nube { position: absolute; right: -6px; top: 0; display: flex; align-items: center; gap: 8px; padding: 9px 13px; color: #fca5a5; background: #1a1220; border: 1px solid rgba(248,113,113,.25); border-radius: 12px; animation: flotar 8s ease-in-out infinite; }
  .nube small { font-size: 12px; font-weight: 700; }
  /* En tema claro la sección de seguridad también es clara (antes quedaba oscura en ambos temas) */
  :root[data-theme="light"] .bloque-oscuro { background: radial-gradient(900px 500px at 85% 20%, rgba(37,99,235,.10), transparent 60%), var(--bg-alt); color: var(--text); }
  :root[data-theme="light"] .bloque-oscuro .sub, :root[data-theme="light"] .bloque-oscuro .seg-lista span { color: var(--muted); }
  :root[data-theme="light"] .bloque-oscuro .eyebrow { color: var(--primary); }
  :root[data-theme="light"] .bloque-oscuro .grad { background: linear-gradient(100deg, #2563eb, #0284c7); -webkit-background-clip: text; background-clip: text; }
  :root[data-theme="light"] .bloque-oscuro a { color: var(--primary-text); }
  :root[data-theme="light"] .nav-caja { background: var(--card); border-color: var(--border); box-shadow: var(--sombra-fuerte); }
  :root[data-theme="light"] .nav-barra { background: var(--card-2); border-bottom-color: var(--border); }
  :root[data-theme="light"] .nav-barra span { background: #cbd5e1; }
  :root[data-theme="light"] .nav-barra i { color: var(--muted); background: var(--bg-alt); }
  :root[data-theme="light"] .nav-cuerpo small { color: var(--faint); }
  :root[data-theme="light"] .archivo { color: var(--text); background: var(--card); border-color: var(--border); box-shadow: var(--sombra); }
  :root[data-theme="light"] .nube { color: #b91c1c; background: #fff1f2; border-color: #fecdd3; }

  /* Para quién */
  .quien { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
  .quien div { padding: 24px; background: var(--card); border: 1px solid var(--border); border-radius: 18px; }
  .quien b { display: block; font-size: 17px; margin-bottom: 6px; }
  .quien span { font-size: 14.5px; color: var(--muted); }

  /* Preguntas */
  .faq { display: grid; gap: 10px; }
  .faq details { background: var(--card); border: 1px solid var(--border); border-radius: 14px; transition: border-color .2s; }
  .faq details[open] { border-color: color-mix(in srgb, var(--primary) 35%, var(--border)); }
  .faq summary { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 17px 20px; font-size: 15.5px; font-weight: 700; cursor: pointer; list-style: none; }
  .faq summary::-webkit-details-marker { display: none; }
  .faq summary::after { content: "+"; flex: none; display: grid; place-items: center; width: 26px; height: 26px; font-size: 18px; color: var(--primary); background: var(--primary-soft); border-radius: 8px; transition: transform .2s; }
  .faq details[open] summary::after { transform: rotate(45deg); }
  .faq p { padding: 0 20px 18px; font-size: 15px; color: var(--muted); }

  /* Llamado final */
  .final { position: relative; padding: 64px 28px; text-align: center; color: #fff; border-radius: 28px; overflow: hidden; background: linear-gradient(135deg, #1d4ed8, #2563eb 45%, #0284c7); box-shadow: 0 30px 80px rgba(37,99,235,.3); }
  .final-fondo { position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.18) 1px, transparent 1px); background-size: 22px 22px; -webkit-mask-image: radial-gradient(ellipse at center, #000, transparent 70%); mask-image: radial-gradient(ellipse at center, #000, transparent 70%); }
  .final h2, .final p, .final .cta { position: relative; }
  .final p { max-width: 560px; margin: 12px auto 0; font-size: 17px; color: rgba(255,255,255,.85); }
  .final .cta { justify-content: center; }

  /* Así se ve: capturas por necesidad */
  .asi-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 22px; }
  .asi-tabs button { padding: 10px 16px; font: inherit; font-size: 14.5px; font-weight: 650; color: var(--muted); background: var(--card); border: 1px solid var(--border); border-radius: 999px; cursor: pointer; transition: color .15s, border-color .15s, background-color .15s, box-shadow .15s; }
  .asi-tabs button:hover { color: var(--text); border-color: var(--primary); }
  .asi-tabs button[aria-selected="true"] { color: #fff; background: #1d4ed8; border-color: #1d4ed8; box-shadow: 0 8px 22px rgba(29,78,216,.28); }
  .asi-tabs button:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }
  .asi-panel { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 28px; align-items: center; }
  .asi-panel[hidden] { display: none; }
  .asi-fig { margin: 0; overflow: hidden; background: var(--card); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--sombra-fuerte, 0 20px 50px rgba(15,23,42,.14)); }
  .asi-fig img { display: block; width: 100%; height: auto; }
  .cap-osc { display: none !important; }
  :root[data-theme="dark"] .cap-cla { display: none !important; }
  :root[data-theme="dark"] .cap-osc { display: block !important; }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .cap-cla { display: none !important; }
    :root:not([data-theme="light"]) .cap-osc { display: block !important; }
  }
  .asi-txt h3 { margin: 0 0 10px; font-size: 22px; line-height: 1.25; }
  .asi-txt p { margin: 0; font-size: 16px; color: var(--muted); }

  /* Cifras medidas con archivos reales */
  .medido { margin-top: 40px; padding: 24px 26px; background: var(--card); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--sombra); }
  .medido-t { margin: 0 0 14px; font-size: 12.5px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--primary); }
  .medido-fila { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px 28px; }
  .medido-fila div { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 14px; }
  .medido-fila strong { font-size: 38px; line-height: 1; font-weight: 800; letter-spacing: -.02em; color: var(--text); font-variant-numeric: tabular-nums; }
  .medido-fila span { font-size: 15px; color: var(--muted); }
  .medido-fila b { color: var(--text); }
  .medido-nota { margin: 16px 0 0; font-size: 12.5px; color: var(--faint); }

  /* Lo que obtienes */
  .salidas { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
  .salida { display: flex; flex-direction: column; padding: 18px; background: var(--card); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--sombra); }
  .salida h3 { margin: 16px 0 6px; font-size: 17px; }
  .salida p { margin: 0; font-size: 14.5px; color: var(--muted); }
  .salida-muestra { display: grid; gap: 8px; min-height: 186px; padding: 14px; font-size: 12px; background: var(--card-2); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
  .arbol { display: grid; gap: 3px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
  .arbol b { font-family: inherit; color: var(--text); margin-bottom: 2px; }
  .arbol span { padding-left: 14px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .arbol .carpeta { padding-left: 4px; color: var(--primary); font-weight: 700; }
  .codigo { margin: 0; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 11.5px; line-height: 1.7; color: var(--muted); white-space: pre-wrap; word-break: break-all; }
  .codigo del { color: var(--err, #e11d48); text-decoration: line-through; }
  .codigo ins { color: var(--ok, #059669); text-decoration: none; font-weight: 700; }
  .adjunto { align-self: end; justify-self: start; padding: 3px 9px; font-size: 11.5px; font-weight: 700; color: var(--primary); background: var(--primary-soft); border-radius: 999px; }
  .carta { align-content: start; }
  .carta b { font-size: 12.5px; color: var(--text); }
  .carta span { color: var(--muted); }
  .carta i { display: block; height: 7px; border-radius: 4px; background: var(--border); }
  .carta i.corta { width: 60%; }

  /* Cómo empezar: cuatro pasos */
  .pasos-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .pasos-4::before { left: 12%; right: 12%; }

  /* Formulario de contacto dentro del llamado final */
  .final-form { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 32px; align-items: center; text-align: left; }
  .final-form .final-txt, .final-form .contacto { position: relative; }
  .final-form .final-txt p { margin-left: 0; }
  .final-correo { font-size: 15px !important; }
  .final-correo a { color: #fff; font-weight: 700; }
  .contacto { display: grid; gap: 12px; padding: 22px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.22); border-radius: 18px; backdrop-filter: blur(6px); }
  .contacto-fila { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .contacto label { display: grid; gap: 5px; font-size: 13.5px; font-weight: 600; color: rgba(255,255,255,.92); }
  .contacto label small { font-weight: 500; color: rgba(255,255,255,.7); }
  .contacto input, .contacto select, .contacto textarea { width: 100%; min-width: 0; padding: 10px 12px; font: inherit; font-size: 15px; color: #0f172a; background: #fff; border: 1px solid transparent; border-radius: 10px; }
  .contacto textarea { resize: vertical; min-height: 76px; }
  .contacto input:focus-visible, .contacto select:focus-visible, .contacto textarea:focus-visible { outline: 3px solid rgba(255,255,255,.75); outline-offset: 1px; }
  .contacto [aria-invalid="true"] { border-color: #fecaca; box-shadow: 0 0 0 3px rgba(254,202,202,.6); }
  .contacto .btn { justify-self: start; }
  .contacto .btn:disabled { opacity: .7; cursor: progress; }
  .contacto-trampa { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
  .contacto-estado { margin: 0; min-height: 1.4em; font-size: 14.5px; font-weight: 600; color: #fff; }
  .contacto-estado.is-err { color: #fee2e2; }
  .contacto-nota { margin: 0; font-size: 12.5px; color: rgba(255,255,255,.75); }
  .contacto-nota a { color: #fff; }

  /* Pie */
  .pie { padding: 30px 0; border-top: 1px solid var(--border); font-size: 13.5px; color: var(--faint); }
  .pie-in { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
  .brand-pie strong { font-size: 15px; color: var(--text); }
  .brand-pie small { margin-left: 4px; color: var(--faint); }
  .pie nav { display: flex; gap: 18px; flex-wrap: wrap; }
  .pie nav a { color: var(--muted); text-decoration: none; }
  .pie nav a:hover { color: var(--primary); }

  /* Aparición al desplazarse (la activa portada-animaciones.js; sin JS todo se ve) */
  .js .revela { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.8,.2,1); }
  .js .revela.is-vista { opacity: 1; transform: none; }
  /* Si portada-animaciones.js no llega a cargar, el contenido aparece igual a los 2 segundos */
  .js:not(.anim-ok) .revela { animation: revela-rescate .4s ease 2s forwards; }
  @keyframes revela-rescate { to { opacity: 1; transform: none; } }

  @keyframes flotar { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
  @keyframes latido { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--ok) 60%, transparent); } 70% { box-shadow: 0 0 0 8px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
  @keyframes entrar { from { opacity: 0; transform: translateX(-10px); } to { opacity: 1; transform: none; } }
  @keyframes orbitar { from { transform: rotate(0deg) translateX(100px) rotate(0deg); } to { transform: rotate(360deg) translateX(100px) rotate(-360deg); } }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
    .js .revela { opacity: 1; transform: none; }
    .demo-ventana { transform: none; }
  }

  @media (max-width: 980px) {
    .hero-in, .seg-in { grid-template-columns: 1fr; }
    .hero-txt { text-align: center; } .lead { margin-left: auto; margin-right: auto; } .cta, .hero-sellos { justify-content: center; }
    .demo { max-width: 560px; margin: 0 auto; width: 100%; }
    .normas { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .bento, .salidas { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .pasos-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 28px; } .pasos-4::before { display: none; }
    .final-form, .asi-panel, .medido-fila { grid-template-columns: 1fr; }
    .top-nav a[href="#como"], .top-nav a[href="#preguntas"] { display: none; }
  }
  @media (max-width: 680px) {
    body { font-size: 15px; }
    .top-nav { gap: 10px; }
    .top-nav a:not(.btn) { display: none; }
    .hero { padding: 40px 0 28px; }
    .demo { padding: 20px 4px 74px; }
    .demo-ventana { transform: none; }
    .flota-1 { left: 0; bottom: 0; } .flota-2 { right: 0; top: -6px; }
    .flota b { font-size: 11.5px; }
    .normas { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 36px; }
    .bloque { padding: 64px 0; }
    .antes-despues { grid-template-columns: 1fr; }
    .cmp-flecha { margin: 0 auto; transform: rotate(90deg); }
    .bento, .quien, .pasos, .pasos-4, .salidas, .contacto-fila { grid-template-columns: 1fr; }
    .contacto { padding: 16px; } .contacto .btn { justify-self: stretch; }
    .asi-tabs { justify-content: stretch; } .asi-tabs button { flex: 1 1 100%; }
    .caja-glosas { grid-column: auto; grid-row: auto; }
    .plazo { grid-template-columns: 1fr 70px; } .plazo i { grid-column: 1 / -1; grid-row: 2; }
    .pasos::before { display: none; }
    .final { padding: 48px 20px; border-radius: 22px; }
    .cta .btn { width: 100%; }
  }