:root {
  --marca: #7c3aed;
  --marca-oscura: #6d28d9;
  --marca-suave: #f3eeff;
  --marca-borde: #ddd6fe;
  --fondo: #ffffff;
  --fondo-alt: #f7f7f9;
  --tarjeta: #ffffff;
  --texto: #18181b;
  --texto-suave: #52525b;
  --borde: #e4e4e7;
  --error: #b91c1c;
  --ok: #15803d;
  --radio: 14px;
  --ancho: 1120px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --marca-suave: #2a2140;
    --marca-borde: #4c3a80;
    --fondo: #111114;
    --fondo-alt: #17171b;
    --tarjeta: #1b1b20;
    --texto: #f4f4f5;
    --texto-suave: #a1a1aa;
    --borde: #35353c;
    --error: #fca5a5;
    --ok: #86efac;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--fondo); color: var(--texto); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
img, svg { max-width: 100%; display: block; }
a { color: var(--marca-oscura); }
@media (prefers-color-scheme: dark) { a { color: #a78bfa; } }
.contenedor { width: min(var(--ancho), 100% - 32px); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Cabecera */
.cabecera { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--fondo) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--borde); }
.cabecera .contenedor { display: flex; align-items: center; gap: 24px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; color: var(--texto); text-decoration: none; }
.logo img { width: 32px; height: 32px; }
.menu { display: flex; gap: 22px; margin-left: auto; }
.menu a { color: var(--texto-suave); text-decoration: none; font-weight: 500; font-size: .95rem; }
.menu a:hover { color: var(--texto); }

/* Botones */
.boton { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 20px; border-radius: 10px; border: 1px solid transparent; background: var(--marca); color: #fff !important; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; }
.boton:hover { background: var(--marca-oscura); }
.boton:disabled { opacity: .6; cursor: wait; }
.boton.claro { background: transparent; color: var(--texto) !important; border-color: var(--borde); }
.boton.claro:hover { background: var(--fondo-alt); }
.boton.grande { padding: 14px 26px; font-size: 1.05rem; }

/* Portada */
.portada { padding: 72px 0 56px; background: radial-gradient(1000px 420px at 80% -10%, var(--marca-suave), transparent), var(--fondo); }
.portada .contenedor { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.etiqueta { display: inline-block; padding: 4px 12px; border-radius: 99px; background: var(--marca-suave); color: var(--marca-oscura); border: 1px solid var(--marca-borde); font-size: .85rem; font-weight: 600; }
@media (prefers-color-scheme: dark) { .etiqueta { color: #c4b5fd; } }
h1 { font-size: clamp(2rem, 4.6vw, 3.3rem); line-height: 1.1; margin: 16px 0; letter-spacing: -.02em; }
h1 span { color: var(--marca); }
.portada p.lead { font-size: 1.15rem; color: var(--texto-suave); max-width: 52ch; }
.acciones { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.datos-rapidos { display: flex; flex-wrap: wrap; gap: 8px 24px; margin: 28px 0 0; padding: 0; list-style: none; color: var(--texto-suave); font-size: .92rem; }
.datos-rapidos li::before { content: "✓ "; color: var(--ok); font-weight: 700; }

/* Vista del sistema: réplica del panel de inicio, siempre oscura, diseñada a 1000 px y escalada */
.portada .contenedor { display: block; }
.portada-texto { max-width: 760px; margin: 0 auto 48px; text-align: center; }
.portada-texto .lead { margin-inline: auto; }
.portada-texto .acciones, .portada-texto .datos-rapidos { justify-content: center; }
.demo { margin: 0; }
.demo-escala { position: relative; width: 100%; height: calc(620px * var(--demo-k, 1)); border-radius: 14px; overflow: hidden; border: 1px solid #2c2c33; box-shadow: 0 30px 70px -30px rgba(76, 29, 149, .55); background: #111114; }
.demo-lienzo { position: absolute; top: 0; left: 0; width: 1000px; height: 620px; transform-origin: top left; transform: scale(var(--demo-k, 1)); display: flex; background: #111114; color: #f4f4f5; font-size: 12px; line-height: 1.3; }
.demo-lienzo .i { width: 15px; height: 15px; flex: none; }
.d-lat { width: 178px; flex: none; padding: 14px 10px; background: #111114; border-right: 1px solid #26262b; display: flex; flex-direction: column; gap: 3px; }
.d-logo { display: flex; align-items: center; gap: 6px; padding: 0 4px 10px; }
.d-logo b { font-size: 19px; }
.d-logo small { font-size: 7px; letter-spacing: .2em; color: #a1a1aa; align-self: flex-end; margin-bottom: 5px; }
.d-emp { display: flex; align-items: center; gap: 8px; padding: 9px; border: 1px solid #2c2c33; border-radius: 10px; margin-bottom: 8px; background: #17171b; }
.d-emp span, .d-usr span { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; background: #2a2140; color: #a78bfa; font-weight: 700; font-size: 10px; flex: none; }
.d-lat nav { display: flex; flex-direction: column; gap: 1px; flex: 1; }
.d-lat .n { display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: 8px; color: #d4d4d8; font-weight: 500; font-size: 11px; white-space: nowrap; }
.d-lat .n.act { background: #2a2140; color: #a78bfa; }
.d-lat .sec { font-size: 8px; letter-spacing: .12em; text-transform: uppercase; color: #75757e; padding: 8px 8px 2px; }
.d-usr { display: flex; align-items: center; gap: 8px; padding: 8px 4px 0; border-top: 1px solid #26262b; }
.d-usr b { display: block; font-size: 11px; }
.d-usr small { color: #a1a1aa; font-size: 9px; }
.d-pri { flex: 1; min-width: 0; }
.d-busq { display: flex; align-items: center; gap: 8px; margin: 12px 20px; width: 290px; padding: 8px 10px; border: 1px solid #2c2c33; border-radius: 8px; color: #75757e; font-size: 11px; }
.d-cont { padding: 14px 20px 0; border-top: 1px solid #26262b; }
.d-cont h3 { margin: 0; font-size: 20px; }
.d-hoy { margin: 0 0 12px; color: #a1a1aa; font-size: 11px; }
.d-malla { display: grid; grid-template-columns: 1fr 1fr 1fr; grid-template-rows: auto auto; gap: 10px; }
.demo-lienzo .t { background: #1b1b20; border: 1px solid #2c2c33; border-radius: 12px; padding: 12px 14px; display: flex; flex-direction: column; gap: 3px; color: #d4d4d8; }
.demo-lienzo .t small { font-size: 11px; color: inherit; }
.demo-lienzo .t b { font-size: 18px; color: #fff; }
.demo-lienzo .t em { font-style: normal; font-size: 9px; color: #a1a1aa; }
.d-malla .grande { grid-row: span 2; grid-column: 1; background: #7c3aed; border-color: #7c3aed; color: #fff; padding: 16px; }
.d-malla .grande b { font-size: 34px; margin: 6px 0; }
.d-malla .grande em { color: #fff; font-size: 11px; }
.d-fila { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 10px; }
.d-acc { margin-top: 12px; border: 1px solid #2c2c33; border-radius: 12px; background: #1b1b20; }
.d-acc h4 { margin: 0; padding: 10px 14px; font-size: 12px; border-bottom: 1px solid #2c2c33; }
.d-acc > div { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; padding: 6px 14px; }
.d-acc .a { display: flex; align-items: center; gap: 8px; padding: 6px 0; font-weight: 600; font-size: 11px; }
.d-acc .a .i { color: #8b5cf6; }
.d-acc .a i { margin-left: auto; color: #75757e; font-style: normal; font-size: 14px; }
.nota-ilustrativa { text-align: center; font-size: .8rem; color: var(--texto-suave); margin: 12px 0 0; }

/* Secciones */
section { padding: 72px 0; }
section.alt { background: var(--fondo-alt); }
.encabezado { max-width: 62ch; margin-bottom: 40px; }
.encabezado h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); line-height: 1.2; margin: 0 0 10px; letter-spacing: -.01em; }
.encabezado p { color: var(--texto-suave); margin: 0; }
.rejilla { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; }
.tarjeta { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); padding: 22px; }
.tarjeta h3 { margin: 12px 0 6px; font-size: 1.05rem; }
.tarjeta p { margin: 0; color: var(--texto-suave); font-size: .95rem; }
.icono { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: var(--marca-suave); color: var(--marca); font-size: 1.2rem; }

/* Planes */
.planes { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 20px; align-items: stretch; }
.plan { position: relative; display: flex; flex-direction: column; background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); padding: 28px; }
.plan.destacado { border: 2px solid var(--marca); box-shadow: 0 18px 40px -22px rgba(124, 58, 237, .6); }
.plan .insignias { position: absolute; top: -13px; left: 24px; display: flex; gap: 6px; }
.plan .insignia { background: var(--marca); color: #fff; font-size: .75rem; font-weight: 700; padding: 3px 12px; border-radius: 99px; }
.plan .insignia.oferta { background: #15803d; }
.plan.rebajado:not(.destacado) { border-color: #15803d; }
.plan .precio { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 8px; }
.precio .antes { flex-basis: 100%; font-size: 1rem; font-weight: 500; color: var(--texto-suave); }
.precio .ahorro { order: 3; padding: 1px 8px; border-radius: 99px; font-size: .8rem; font-weight: 700; background: color-mix(in srgb, var(--ok) 16%, transparent); color: var(--ok); }
.plan h3 { margin: 0; font-size: 1.25rem; }
.plan .desc { color: var(--texto-suave); font-size: .93rem; margin: 6px 0 0; }
.precio { margin: 20px 0; font-size: 2rem; font-weight: 800; letter-spacing: -.02em; }
.precio small { font-size: .9rem; font-weight: 500; color: var(--texto-suave); letter-spacing: 0; }
.plan ul { list-style: none; padding: 0; margin: 0 0 24px; display: grid; gap: 9px; flex: 1; font-size: .95rem; }
.plan li::before { content: "✓ "; color: var(--ok); font-weight: 700; }
.plan .boton { width: 100%; }

/* Pasos */
.pasos { counter-reset: paso; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; padding: 0; list-style: none; }
.pasos li { counter-increment: paso; background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); padding: 22px; }
.pasos li::before { content: counter(paso); display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--marca); color: #fff; font-weight: 700; margin-bottom: 10px; }
.pasos strong { display: block; margin-bottom: 4px; }
.pasos span { color: var(--texto-suave); font-size: .93rem; }

/* Formulario */
.registro { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: start; }
.registro aside h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); line-height: 1.2; margin: 0 0 12px; }
.registro aside p { color: var(--texto-suave); }
form.formulario { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); padding: 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.campo { display: grid; gap: 6px; align-content: start; }
.campo.ancho { grid-column: 1 / -1; }
label { font-weight: 600; font-size: .9rem; }
label small { font-weight: 400; color: var(--texto-suave); }
input, select, textarea { width: 100%; padding: 10px 12px; font: inherit; color: var(--texto); background: var(--fondo); border: 1px solid var(--borde); border-radius: 10px; }
input:focus-visible, select:focus-visible, textarea:focus-visible, .boton:focus-visible, a:focus-visible { outline: 3px solid var(--marca-borde); outline-offset: 1px; border-color: var(--marca); }
textarea { min-height: 96px; resize: vertical; }
.campo[data-error] input, .campo[data-error] select { border-color: var(--error); }
.mensaje-error { color: var(--error); font-size: .84rem; min-height: 0; }
.consentimiento { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem; color: var(--texto-suave); }
.consentimiento input { width: auto; margin-top: 4px; }
.trampa { position: absolute; left: -9999px; }
.estado-envio { grid-column: 1 / -1; padding: 12px 14px; border-radius: 10px; font-size: .95rem; }
.estado-envio.ok { background: color-mix(in srgb, var(--ok) 14%, transparent); color: var(--ok); }
.estado-envio.mal { background: color-mix(in srgb, var(--error) 14%, transparent); color: var(--error); }
.exito { text-align: center; padding: 24px 8px; }
.exito .icono { margin: 0 auto 12px; width: 56px; height: 56px; font-size: 1.8rem; }

/* Pie */
.pie { border-top: 1px solid var(--borde); padding: 36px 0; background: var(--fondo-alt); color: var(--texto-suave); font-size: .9rem; }
.pie .contenedor { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 32px; }
.pie nav { display: flex; gap: 20px; }

/* Páginas de texto y administración */
.texto { max-width: 760px; padding: 56px 0; }
.texto h1 { font-size: 2rem; }
.texto h2 { margin-top: 32px; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--borde); vertical-align: top; }
th { color: var(--texto-suave); font-weight: 600; white-space: nowrap; }
.tabla-scroll { overflow-x: auto; border: 1px solid var(--borde); border-radius: var(--radio); background: var(--tarjeta); }

@media (max-width: 860px) {
  .registro { grid-template-columns: 1fr; }
  .menu a:not(.boton) { display: none; }
  form.formulario { grid-template-columns: 1fr; padding: 20px; }
  section { padding: 52px 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }