/* Estilo público (portada, demo, acceso y páginas legales). Independiente de style.css, que es el de la app. */
:root {
  --ink: #0a0a0a; --bg: #ffffff; --soft: #f5f7fb; --muted: #566074; --line: #e4e8f0;
  --accent: #0b63f6; --accent-ink: #ffffff; --accent-soft: #eaf1ff; --ok: #14803c; --warn: #9a5b00; --warn-soft: #fff4de;
  --radius: 16px; --shadow: 0 8px 30px rgba(10, 30, 80, .08);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #f4f6fb; --bg: #0b0d12; --soft: #12151d; --muted: #a2abbd; --line: #232937;
    --accent: #4d8bff; --accent-ink: #0b0d12; --accent-soft: #14213d; --ok: #46c27a; --warn: #f0b04a; --warn-soft: #2a2110;
    --shadow: 0 8px 30px rgba(0, 0, 0, .4);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.6 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 6vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 4vw, 2.1rem); font-weight: 750; }
h3 { font-size: 1.1rem; font-weight: 700; }
p { margin: 0 0 1em; }
.contenedor { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.seccion { padding: 56px 0; }
.seccion.suave { background: var(--soft); }
.centrado { text-align: center; }
.sub { color: var(--muted); font-size: 1.08rem; max-width: 640px; }
.centrado .sub { margin-left: auto; margin-right: auto; }

/* Cabecera */
.cabecera { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.cabecera .contenedor { display: flex; align-items: center; gap: 20px; height: 64px; }
.marca { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--ink); font-size: 1.1rem; }
.marca:hover { text-decoration: none; }
.marca svg { width: 30px; height: 30px; }
.nav { display: flex; gap: 22px; margin-left: 12px; }
.nav a { color: var(--muted); font-weight: 500; font-size: .95rem; }
.nav a:hover { color: var(--ink); text-decoration: none; }
.espacio { flex: 1; }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: 999px;
  font: inherit; font-weight: 650; border: 1.5px solid transparent; cursor: pointer; transition: transform .08s, box-shadow .15s; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primario { background: var(--accent); color: var(--accent-ink); box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 35%, transparent); }
.btn-borde { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-borde:hover { border-color: var(--accent); }
.btn-chico { padding: 8px 16px; font-size: .92rem; }
.btn-bloque { width: 100%; }
.btn:disabled { opacity: .6; cursor: not-allowed; }

/* Portada */
.hero { padding: 64px 0 40px; background: radial-gradient(1200px 400px at 80% -10%, var(--accent-soft), transparent 60%); }
.hero .rejilla { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; }
.pildora { display: inline-block; font-size: .74rem; font-weight: 700; letter-spacing: .08em; padding: 6px 12px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); margin-bottom: 18px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .acciones { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 10px; }
.nota-chica { font-size: .9rem; color: var(--muted); }
.flecha-nota { display: inline-flex; align-items: center; gap: 6px; }

.tarjeta { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.vista-previa .etiqueta { font-size: .72rem; font-weight: 700; letter-spacing: .08em; color: var(--muted); text-transform: uppercase; margin-bottom: 12px; }
.etapas-mini { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.etapas-mini li { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; font-weight: 550; font-size: .95rem; }
.etapas-mini .num { width: 26px; height: 26px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-size: .8rem; font-weight: 800; flex: none; }
.etapas-mini .pend { margin-left: auto; font-size: .72rem; color: var(--warn); background: var(--warn-soft); padding: 2px 8px; border-radius: 999px; font-weight: 650; white-space: nowrap; }

/* Cifras */
.cifras { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 26px; }
.cifra { text-align: center; padding: 22px 12px; }
.cifra b { display: block; font-size: clamp(1.8rem, 5vw, 2.6rem); font-weight: 800; letter-spacing: -.03em; color: var(--accent); }
.cifra span { color: var(--muted); font-size: .92rem; }

/* Pasos y tarjetas */
.pasos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 28px; }
.paso .n { width: 38px; height: 38px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-weight: 800; display: grid; place-items: center; margin-bottom: 12px; }
.rejilla-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 28px; }
.rejilla-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 28px; }
.tarjeta h3 { margin-bottom: .35em; }
.tarjeta p { color: var(--muted); margin: 0; font-size: .98rem; }
.icono { font-size: 1.6rem; margin-bottom: 8px; }
.aviso { background: var(--warn-soft); border: 1px solid color-mix(in srgb, var(--warn) 35%, transparent); border-radius: var(--radius); padding: 20px 22px; }
.aviso h3 { color: var(--warn); }
.aviso ul { margin: 8px 0 0; padding-left: 20px; }
.aviso li { margin: 4px 0; }

/* Acceso por invitación */
.acceso { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 26px 0; }
.acceso .tarjeta { text-align: left; }

/* Preguntas frecuentes */
.faq { max-width: 760px; margin: 28px auto 0; }
.faq details { border-bottom: 1px solid var(--line); padding: 16px 4px; }
.faq summary { cursor: pointer; font-weight: 650; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 1.4rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); margin: 10px 0 0; }

/* Pie */
.pie { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: .9rem; }
.pie .contenedor { display: flex; flex-wrap: wrap; gap: 14px 28px; align-items: center; justify-content: space-between; }
.pie nav { display: flex; gap: 20px; flex-wrap: wrap; }

/* Demo */
.selector { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 8px; }
.chip { padding: 10px 16px; border-radius: 999px; border: 1.5px solid var(--line); background: var(--bg); color: var(--ink); font: inherit; font-weight: 600; font-size: .94rem; cursor: pointer; }
.chip[aria-selected="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.encabezado-demo { margin: 22px 0; }
.encabezado-demo h2 { font-size: clamp(1.15rem, 3vw, 1.5rem); }
.meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.meta span { font-size: .78rem; font-weight: 650; padding: 4px 10px; border-radius: 999px; background: var(--soft); color: var(--muted); }
.etapa { border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 12px; background: var(--bg); overflow: hidden; }
.etapa > summary { cursor: pointer; padding: 16px 18px; font-weight: 700; list-style: none; display: flex; align-items: center; gap: 12px; }
.etapa > summary::-webkit-details-marker { display: none; }
.etapa > summary .num { width: 28px; height: 28px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-size: .82rem; font-weight: 800; flex: none; }
.etapa > summary::after { content: "+"; margin-left: auto; color: var(--accent); font-size: 1.4rem; }
.etapa[open] > summary::after { content: "–"; }
.etapa .cuerpo { padding: 0 18px 18px; }
.etapa .objetivo { color: var(--muted); margin-bottom: 14px; }
.etapa h4 { margin: 16px 0 6px; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.etapa ul { margin: 0; padding-left: 20px; }
.etapa li { margin: 6px 0; }
.etapa li.dato { list-style: none; margin-left: -20px; padding: 10px 12px; border-radius: 10px; background: var(--warn-soft); }
.etapa li.dato b { color: var(--warn); font-size: .72rem; letter-spacing: .06em; margin-right: 6px; }
.etapa li.dato i { color: var(--muted); }
.relacionadas { margin-top: 24px; }
.relacionadas li { margin: 6px 0; }
.cta-final { margin-top: 36px; text-align: center; padding: 32px 22px; }
.cta-final .acciones { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 14px; }

/* Acceso (login) */
.pagina-acceso { min-height: calc(100vh - 64px); display: grid; place-items: center; padding: 32px 20px; background: radial-gradient(900px 360px at 50% -10%, var(--accent-soft), transparent 65%); }
.caja-acceso { width: 100%; max-width: 420px; }
.campo { margin-bottom: 14px; text-align: left; }
.campo label { display: block; font-weight: 650; font-size: .92rem; margin-bottom: 6px; }
.campo input { width: 100%; padding: 12px 14px; border-radius: 12px; border: 1.5px solid var(--line); background: var(--bg); color: var(--ink); font: inherit; }
.campo input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.error-caja { background: #fdecec; color: #a11a1a; border: 1px solid #f3b5b5; border-radius: 12px; padding: 10px 14px; margin-bottom: 14px; font-size: .92rem; display: none; text-align: left; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .error-caja { background: #3a1616; color: #ffb4b4; border-color: #6b2b2b; } }
.ayuda-acceso { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); font-size: .92rem; color: var(--muted); text-align: left; }

/* Páginas legales */
.legal { max-width: 760px; padding: 40px 20px 60px; }
.legal h1 { font-size: clamp(1.7rem, 5vw, 2.3rem); }
.legal h2 { font-size: 1.2rem; margin-top: 1.8em; }
.legal li { margin: 4px 0; }
.legal .borrador { background: var(--warn-soft); border-radius: 12px; padding: 12px 16px; font-size: .92rem; color: var(--warn); }

/* Adaptación a pantallas pequeñas */
@media (max-width: 860px) {
  .hero .rejilla, .pasos, .rejilla-3, .rejilla-2, .acceso { grid-template-columns: 1fr; }
  .cifras { grid-template-columns: repeat(2, 1fr); }
  .nav { display: none; }
  .hero { padding-top: 40px; }
  .seccion { padding: 44px 0; }
}
@media (max-width: 420px) {
  .cabecera .btn-borde { display: none; }
  .hero .acciones .btn { width: 100%; }
}

/* ---- Portada v2: hero oscuro, ventana animada, bandas y bloques ---- */
.hero-oscuro { padding: 72px 0 80px; color: #f4f6fb; position: relative; overflow: hidden;
  background: radial-gradient(900px 500px at 85% 10%, rgba(77,139,255,.35), transparent 60%),
              radial-gradient(700px 400px at 0% 100%, rgba(20,184,166,.18), transparent 60%),
              linear-gradient(160deg, #070b16 0%, #0c1733 55%, #0a1f4d 100%); }
.hero-oscuro .rejilla { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero-oscuro h1 { font-size: clamp(2.1rem, 5.4vw, 3.5rem); color: #fff; }
.hero-oscuro h1 em { font-style: normal; background: linear-gradient(90deg, #6aa5ff, #5eead4); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-oscuro .sub { color: #b9c4dc; font-size: 1.15rem; max-width: 560px; }
.hero-oscuro .pildora { background: rgba(255,255,255,.1); color: #cfe0ff; border: 1px solid rgba(255,255,255,.18); }
.hero-oscuro .btn-primario { background: #fff; color: #0a1020; box-shadow: 0 10px 30px rgba(77,139,255,.35); }
.hero-oscuro .btn-borde { color: #fff; border-color: rgba(255,255,255,.35); }
.hero-oscuro .btn-borde:hover { border-color: #fff; }
.hero-oscuro .acciones { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 22px; }
.garantias { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 20px; color: #b9c4dc; font-size: .92rem; }
.garantias li::before { content: "✓"; color: #5eead4; font-weight: 800; margin-right: 7px; }

.ventana { background: #0f1830; border: 1px solid rgba(255,255,255,.14); border-radius: 18px; box-shadow: 0 30px 80px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.04) inset; overflow: hidden; color: #e8eefc; }
.ventana .barra { display: flex; align-items: center; gap: 7px; padding: 12px 14px; background: rgba(255,255,255,.05); border-bottom: 1px solid rgba(255,255,255,.08); }
.ventana .barra i { width: 10px; height: 10px; border-radius: 50%; background: #3a4666; }
.ventana .barra span { margin-left: 8px; font-size: .78rem; color: #8fa0c4; }
.ventana .cuerpo-v { padding: 18px; }
.entrada-v { border: 1px solid rgba(106,165,255,.5); background: rgba(106,165,255,.08); border-radius: 12px; padding: 11px 14px; font-size: .95rem; min-height: 46px; margin-bottom: 14px; }
.entrada-v small { display: block; color: #8fa0c4; font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 2px; }
.entrada-v .cursor { display: inline-block; width: 2px; height: 1em; background: #6aa5ff; margin-left: 2px; vertical-align: -2px; animation: parpadeo 1s steps(1) infinite; }
@keyframes parpadeo { 50% { opacity: 0; } }
.filas-v { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.filas-v li { display: flex; align-items: center; gap: 11px; padding: 8px 11px; border-radius: 10px; background: rgba(255,255,255,.04); font-size: .9rem; color: #7f8fb2; transition: background .3s, color .3s; }
.filas-v li .ck { width: 20px; height: 20px; border-radius: 50%; border: 1.5px solid #3a4666; display: grid; place-items: center; font-size: .7rem; flex: none; transition: all .3s; }
.filas-v li.listo { background: rgba(94,234,212,.09); color: #f4f6fb; }
.filas-v li.listo .ck { background: #5eead4; border-color: #5eead4; color: #062a25; }
.filas-v li.listo .ck::before { content: "✓"; font-weight: 800; }
.detalle-v { margin-top: 12px; border-radius: 12px; background: rgba(255,255,255,.05); padding: 12px 14px; font-size: .84rem; color: #c9d4ee; opacity: 0; transform: translateY(6px); transition: all .4s; min-height: 108px; }
.detalle-v.ver { opacity: 1; transform: none; }
.detalle-v b { color: #fff; }
.detalle-v .pend-v { margin-top: 8px; padding: 7px 10px; border-radius: 8px; background: rgba(240,176,74,.14); color: #f6c97a; }
.detalle-v .pend-v em { font-style: normal; font-weight: 800; font-size: .66rem; letter-spacing: .06em; margin-right: 6px; }
.detalle-v p { margin: 0; color: inherit; font-size: inherit; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.descarga-v { margin-top: 12px; display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: .82rem; color: #8fa0c4; }
.descarga-v span.doc { padding: 6px 12px; border-radius: 999px; background: rgba(106,165,255,.16); color: #cfe0ff; font-weight: 650; }

.banda-cifras { background: #0a1020; color: #fff; padding: 34px 0; }
.banda-cifras .cifras { margin: 0; }
.banda-cifras .cifra { background: transparent; border: 0; box-shadow: none; padding: 6px; }
.banda-cifras .cifra b { color: #fff; }
.banda-cifras .cifra span { color: #9fb0d4; }

.antes-despues { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 28px; }
.antes-despues .tarjeta { box-shadow: none; }
.antes-despues .antes { background: var(--soft); }
.antes-despues .despues { border: 2px solid var(--accent); box-shadow: var(--shadow); }
.antes-despues h3 { display: flex; align-items: center; gap: 8px; }
.antes-despues ul { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 9px; }
.antes-despues li { padding-left: 26px; position: relative; color: var(--muted); }
.antes-despues .antes li::before { content: "✕"; position: absolute; left: 0; color: #c0392b; font-weight: 800; }
.antes-despues .despues li { color: var(--ink); }
.antes-despues .despues li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 800; }

.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
.bento .tarjeta { box-shadow: none; transition: transform .15s, box-shadow .15s; }
.bento .tarjeta:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.bento .grande { grid-column: span 2; background: linear-gradient(135deg, var(--accent-soft), var(--bg)); }
.ico { width: 44px; height: 44px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; margin-bottom: 12px; }
.ico svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.cta-oscuro { background: linear-gradient(160deg, #070b16, #0a1f4d); color: #fff; text-align: center; padding: 64px 0; }
.cta-oscuro h2 { color: #fff; }
.cta-oscuro p { color: #b9c4dc; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-oscuro .btn-primario { background: #fff; color: #0a1020; }
.cta-oscuro .btn-borde { color: #fff; border-color: rgba(255,255,255,.35); }

@media (max-width: 860px) {
  .hero-oscuro { padding: 44px 0 52px; }
  .hero-oscuro .rejilla, .antes-despues { grid-template-columns: 1fr; gap: 28px; }
  .bento { grid-template-columns: 1fr; }
  .bento .grande { grid-column: auto; }
}
@media (prefers-reduced-motion: reduce) { .entrada-v .cursor { animation: none; } .detalle-v, .filas-v li, .filas-v li .ck { transition: none; } }