/* firmado.legal — hoja de estilos de la landing. Sin frameworks. */
:root {
  --paper: #FBFAF7;
  --paper-2: #F3F2EE;
  --ink: #0E0F12;
  --ink-2: #3A3C43;
  --muted: #6B6E78;
  --line: #E4E3DE;
  --line-2: #D3D2CC;
  --accent: #E4522B;
  --accent-ink: #B83F1F;
  --accent-soft: #FDEDE7;
  --ok: #1F9D55;
  --warn: #B97A00;
  --info: #2F6FED;
  --dark: #0E0F12;
  --dark-2: #16181D;
  --dark-line: #262930;
  --dark-muted: #9A9DA7;
  --radius: 12px;
  --radius-lg: 18px;
  --shadow: 0 1px 2px rgba(14, 15, 18, .06), 0 12px 32px -14px rgba(14, 15, 18, .22);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --container: 1120px;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  font-feature-settings: "cv11", "ss01", "tnum";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
@media (min-width: 768px) { .container { padding: 0 32px; } }

h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -.02em; line-height: 1.1; }
h1 { font-size: clamp(42px, 7.2vw, 76px); letter-spacing: -.04em; line-height: .98; }
h1 em { font-style: normal; color: var(--accent); }
h2 { font-size: clamp(28px, 4vw, 44px); letter-spacing: -.03em; }
h3 { font-size: 20px; }
p { margin: 0; }
.lead { font-size: clamp(17px, 1.6vw, 20px); color: var(--ink-2); max-width: 560px; }
.kicker { font-size: 12.5px; font-weight: 600; letter-spacing: .09em; text-transform: uppercase; color: var(--accent-ink); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 500; color: var(--ink-2);
  border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 6px 12px 6px 9px;
}
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.section { padding: 84px 0; }
@media (min-width: 900px) { .section { padding: 120px 0; } }
.section--tight { padding-top: 56px; }
.section__head { max-width: 700px; margin-bottom: 44px; }
.section__head .kicker { display: block; margin-bottom: 14px; }
.section__head p { margin-top: 14px; color: var(--ink-2); font-size: 18px; }
.muted { color: var(--muted); }

/* Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 42px; padding: 0 18px; border-radius: 10px;
  font-weight: 500; font-size: 15px; border: 1px solid transparent; cursor: pointer;
  transition: transform .12s ease, background .15s ease, border-color .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--ink); color: #fff; }
.btn--primary:hover { background: #24262D; }
.btn--accent { background: var(--accent-ink); color: #fff; }
.btn--accent:hover { background: #9E3519; }
.btn--ghost { background: transparent; border-color: var(--line-2); color: var(--ink); }
.btn--ghost:hover { background: #fff; border-color: var(--ink); }
.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { background: var(--paper-2); }
.btn--lg { height: 50px; padding: 0 24px; font-size: 16px; border-radius: 12px; }
.btn--block { width: 100%; }

/* Navegación */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251, 250, 247, .84);
  backdrop-filter: saturate(180%) blur(12px); -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav__inner { height: 64px; display: flex; align-items: center; gap: 24px; position: relative; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; font-size: 17px; letter-spacing: -.025em; }
.brand__mark { width: 28px; height: 28px; flex: 0 0 28px; }
.brand__dot { color: var(--accent); }
.brand__l { font-weight: 400; color: var(--ink-2); }
.nav__links { display: none; gap: 2px; margin-left: 6px; }
.nav__links a { padding: 8px 12px; border-radius: 8px; font-size: 14px; color: var(--ink-2); }
.nav__links a:hover { background: var(--paper-2); color: var(--ink); }
.nav__cta { display: none; margin-left: auto; gap: 8px; }
.nav__burger {
  margin-left: auto; width: 40px; height: 40px; border: 1px solid var(--line); background: #fff;
  border-radius: 10px; display: grid; place-items: center; cursor: pointer; color: var(--ink);
}
@media (min-width: 1000px) {
  .nav__links, .nav__cta { display: flex; }
  .nav__burger { display: none; }
}
.nav.is-open .nav__links {
  display: flex; position: absolute; left: -20px; right: -20px; top: 64px; flex-direction: column;
  background: var(--paper); border-bottom: 1px solid var(--line); padding: 12px 20px 20px; gap: 2px;
}
.nav.is-open .nav__links a { font-size: 16px; padding: 12px; }
@media (min-width: 768px) { .nav.is-open .nav__links { left: -32px; right: -32px; } }

/* Héroe */
.hero { position: relative; padding: 64px 0 40px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(circle, var(--line-2) 1px, transparent 1.2px);
  background-size: 24px 24px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .55), transparent 75%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .55), transparent 75%);
}
.hero__grid { position: relative; display: grid; gap: 48px; }
@media (min-width: 1000px) {
  .hero { padding: 96px 0 72px; }
  .hero__grid { grid-template-columns: 1fr 1.05fr; align-items: center; gap: 56px; }
}
.hero__copy > * + * { margin-top: 22px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 10px; }
.hero__facts { display: flex; flex-wrap: wrap; gap: 6px 20px; padding: 0; margin: 0; list-style: none; font-size: 14px; color: var(--muted); }
.hero__facts li { display: inline-flex; align-items: center; gap: 8px; }
.hero__facts li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--ok); }

/* Maquetas de producto (HTML/CSS, sin imágenes) */
.stage { position: relative; }
.win { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); overflow: hidden; font-size: 12.5px; }
.win__bar { height: 38px; display: flex; align-items: center; gap: 6px; padding: 0 14px; border-bottom: 1px solid var(--line); background: #FCFCFB; }
.win__bar i { width: 10px; height: 10px; border-radius: 50%; background: #E4E3DE; }
.win__bar span { margin-left: 10px; color: var(--muted); font-family: var(--mono); font-size: 11px; }
.win__body { display: grid; grid-template-columns: 140px 1fr; min-height: 396px; }
.stage { padding-bottom: 36px; }
.win__side { border-right: 1px solid var(--line); padding: 14px 10px; background: #FCFCFB; display: grid; align-content: start; gap: 2px; }
.win__side div { padding: 7px 10px; border-radius: 7px; color: var(--ink-2); }
.win__side .on { background: var(--paper-2); color: var(--ink); font-weight: 500; }
.win__side .sep { height: 10px; }
.win__main { padding: 16px 16px 8px; }
.win__top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.win__top b { font-size: 14px; font-weight: 600; }
.mini-btn { background: var(--ink); color: #fff; border-radius: 7px; padding: 6px 10px; font-weight: 500; font-size: 12px; }
.row { display: grid; grid-template-columns: 1.7fr 1fr .95fr .8fr; gap: 10px; padding: 10px 8px; border-top: 1px solid var(--line); align-items: center; }
.row.head { border-top: 0; color: var(--ink-2); font-size: 10.5px; text-transform: uppercase; letter-spacing: .06em; padding-top: 4px; }
.row .t { font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.row .m { color: var(--muted); }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 8px; border-radius: 999px; font-size: 11.5px; font-weight: 500; background: var(--paper-2); white-space: nowrap; }
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill--ok { color: #166534; background: #E8F6EE; }
.pill--wait { color: #8A4B00; background: #FBF3DF; }
.pill--sent { color: #1D4ED8; background: #E9F0FE; }

.phone {
  position: absolute; right: -18px; bottom: -34px; width: 224px;
  background: #fff; border: 1px solid var(--line); border-radius: 26px; box-shadow: var(--shadow);
  padding: 18px 16px 16px; font-size: 12px;
}
.phone .ph__brand { font-size: 10.5px; color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }
.phone .ph__title { font-weight: 600; font-size: 13.5px; margin: 4px 0 2px; letter-spacing: -.01em; }
.phone .ph__sub { color: var(--muted); font-size: 11.5px; }
.phone .otp { display: grid; grid-template-columns: repeat(6, 1fr); gap: 5px; margin: 12px 0 4px; }
.phone .otp span { height: 32px; border: 1px solid var(--line-2); border-radius: 8px; display: grid; place-items: center; font-family: var(--mono); font-size: 14px; font-weight: 600; }
.phone .otp span.on { border-color: var(--ink); }
.phone .ph__hint { font-size: 11px; color: var(--ink-2); }
.phone .sig { margin: 12px 0 10px; height: 74px; border: 1px dashed var(--line-2); border-radius: 10px; position: relative; background: #FCFCFB; }
.phone .sig svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.phone .sig small { position: absolute; left: 10px; bottom: 6px; font-size: 10px; color: var(--muted); }
.phone .ph__btn { background: var(--ink); color: #fff; border-radius: 10px; text-align: center; padding: 9px; font-weight: 500; }
.phone .ph__legal { margin-top: 8px; font-size: 10.5px; color: var(--ink-2); line-height: 1.35; }

.evid {
  position: absolute; left: -16px; bottom: -30px; width: 258px;
  background: var(--dark); color: #fff; border-radius: 14px; padding: 14px 14px 12px;
  font-family: var(--mono); font-size: 11px; line-height: 1.55; box-shadow: var(--shadow);
  border: 1px solid var(--dark-line);
}
.evid .h { display: flex; justify-content: space-between; color: var(--dark-muted); margin-bottom: 8px; }
.evid .h b { color: #fff; font-weight: 600; }
.evid div { display: grid; grid-template-columns: 112px 1fr; gap: 8px; white-space: nowrap; }
.evid .k { color: var(--dark-muted); }
.evid .ok { color: #5BD08A; }
.evid .hl { color: #FF8A66; }

@media (max-width: 999px) {
  .stage { display: grid; gap: 14px; }
  .stage .win { order: 1; }
  .phone, .evid { position: static; width: auto; order: 2; }
  .win__body { grid-template-columns: 1fr; min-height: 0; }
  .win__side { display: none; }
  .row { grid-template-columns: 1.6fr 1fr .9fr; }
  .row > :nth-child(4) { display: none; }
}

/* Franja de cumplimiento */
.strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.strip__inner { display: flex; flex-wrap: wrap; gap: 10px 28px; justify-content: center; padding: 18px 0; font-size: 13.5px; color: var(--ink-2); }
.strip__inner span { display: inline-flex; align-items: center; gap: 8px; }
.strip__inner svg { color: var(--ok); }

/* Dos sabores */
.flavors { display: grid; gap: 18px; }
@media (min-width: 900px) { .flavors { grid-template-columns: 1fr 1fr; } }
.flavor { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px; display: flex; flex-direction: column; gap: 18px; position: relative; }
@media (min-width: 900px) { .flavor { padding: 34px; } }
.flavor--adv { background: var(--dark); color: #fff; border-color: var(--dark); }
.flavor__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.flavor h3 { font-size: 26px; letter-spacing: -.025em; }
.flavor .tag { font-size: 11.5px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; padding: 5px 9px; border-radius: 999px; background: var(--paper-2); color: var(--ink-2); white-space: nowrap; }
.flavor--adv .tag { background: #2A1A14; color: #FF8A66; }
.flavor .desc { font-size: 16.5px; color: var(--ink-2); }
.flavor--adv .desc { color: #C9CBD2; }
.flavor ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; font-size: 15px; }
.flavor li { display: flex; gap: 10px; align-items: flex-start; }
.flavor li svg { flex: 0 0 18px; margin-top: 3px; color: var(--ok); }
.flavor--adv li svg { color: #5BD08A; }
.flavor li b { font-weight: 600; }
.flavor .for { font-size: 14px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 16px; margin-top: auto; }
.flavor--adv .for { border-color: var(--dark-line); color: var(--dark-muted); }
.flavor .for b { color: var(--ink); font-weight: 600; }
.flavor--adv .for b { color: #fff; }
.flavors__note { margin-top: 18px; font-size: 14.5px; color: var(--muted); max-width: 760px; }

/* Cómo funciona */
.steps { display: grid; gap: 22px; }
@media (min-width: 900px) { .steps { grid-template-columns: repeat(4, 1fr); gap: 28px; } }
.step { border-top: 2px solid var(--ink); padding-top: 16px; }
.step small { font-family: var(--mono); color: var(--muted); font-size: 12px; }
.step h3 { margin: 8px 0; font-size: 18px; }
.step p { color: var(--ink-2); font-size: 15px; }

/* Sectores */
.sectors { display: grid; gap: 14px; }
@media (min-width: 700px) { .sectors { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .sectors { grid-template-columns: repeat(3, 1fr); } }
.sector { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 22px; display: flex; flex-direction: column; gap: 10px; transition: border-color .15s ease; }
.sector:hover { border-color: var(--line-2); }
.sector h3 { font-size: 17px; }
.sector p { font-size: 14.5px; color: var(--ink-2); }
.sector .rec { font-size: 11.5px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; margin-top: auto; padding-top: 8px; }
.rec--s { color: #15803D; }
.rec--a { color: var(--accent-ink); }
.rec--m { color: var(--muted); }

/* Evidencias (sección oscura) */
.dark { background: var(--dark); color: #fff; }
.dark .section__head p { color: var(--dark-muted); }
.dark .kicker { color: #FF8A66; }
.trail { display: grid; gap: 28px; }
@media (min-width: 1000px) { .trail { grid-template-columns: 1fr 1fr; align-items: start; gap: 48px; } }
.trail__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.trail__list li { display: grid; grid-template-columns: 30px 1fr; gap: 12px; }
.trail__list li i { width: 24px; height: 24px; border-radius: 50%; border: 1px solid var(--dark-line); display: grid; place-items: center; font-family: var(--mono); font-size: 11px; color: var(--dark-muted); font-style: normal; margin-top: 2px; }
.trail__list h4 { font-size: 16.5px; font-weight: 600; margin-bottom: 4px; }
.trail__list p { color: var(--dark-muted); font-size: 14.5px; }
.manifest { background: var(--dark-2); border: 1px solid var(--dark-line); border-radius: 14px; padding: 18px 20px; font-family: var(--mono); font-size: 12.5px; line-height: 1.75; overflow: auto; }
.manifest .k { color: var(--dark-muted); }
.manifest .ok { color: #5BD08A; }
.manifest .hl { color: #FF8A66; }
.manifest .c { color: #8E929E; }

/* API */
.api { display: grid; gap: 28px; }
@media (min-width: 1000px) { .api { grid-template-columns: 1fr 1.1fr; align-items: center; gap: 56px; } }
.code { background: var(--dark); color: #E8E8EA; border-radius: 14px; padding: 18px 20px; font-family: var(--mono); font-size: 12.5px; line-height: 1.65; overflow: auto; border: 1px solid var(--dark-line); }
.code .c { color: #7E8290; }
.code .s { color: #9BD6AE; }
.code .k { color: #FFB199; }
.api__list { display: grid; gap: 12px; margin: 22px 0 0; padding: 0; list-style: none; font-size: 15px; color: var(--ink-2); }
.api__list li { display: flex; gap: 10px; }
.api__list svg { flex: 0 0 18px; margin-top: 3px; color: var(--ok); }
.api__list b { color: var(--ink); font-weight: 600; }

/* Tarjetas genéricas */
.grid3 { display: grid; gap: 14px; }
@media (min-width: 800px) { .grid3 { grid-template-columns: repeat(3, 1fr); } }
.card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.card h3 { font-size: 17px; margin-bottom: 8px; }
.card p { font-size: 14.5px; color: var(--ink-2); }

/* Precios */
.plans { display: grid; gap: 16px; }
@media (min-width: 900px) { .plans { grid-template-columns: repeat(3, 1fr); align-items: stretch; } }
.plan { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 26px; display: flex; flex-direction: column; gap: 16px; }
.plan--hi { border-color: var(--ink); box-shadow: var(--shadow); }
.plan .name { font-size: 18px; font-weight: 600; letter-spacing: -.01em; }
.plan .who { font-size: 14px; color: var(--muted); margin-top: 2px; }
.plan .price { font-size: 42px; font-weight: 600; letter-spacing: -.035em; line-height: 1; }
.plan .price small { font-size: 15px; font-weight: 400; color: var(--muted); letter-spacing: 0; margin-left: 4px; }
.plan .inc { font-size: 13.5px; color: var(--ink-2); }
.plan ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; font-size: 14.5px; color: var(--ink-2); }
.plan li { display: flex; gap: 9px; align-items: flex-start; }
.plan li svg { flex: 0 0 18px; margin-top: 2px; color: var(--ok); }
.plan .btn { margin-top: auto; }
.badge { position: absolute; top: -12px; left: 24px; background: var(--ink); color: #fff; font-size: 11.5px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; padding: 5px 10px; border-radius: 999px; }
.badge--early { background: var(--accent-ink); }
.plans__note { margin-top: 18px; font-size: 13.5px; color: var(--muted); max-width: 820px; }

/* FAQ */
.faq { max-width: 780px; }
.faq details { border-top: 1px solid var(--line); padding: 18px 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 500; font-size: 17px; list-style: none; display: flex; justify-content: space-between; gap: 16px; align-items: baseline; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--muted); font-weight: 400; font-size: 20px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq p { margin-top: 10px; color: var(--ink-2); font-size: 15.5px; max-width: 660px; }

/* CTA final */
.cta { border: 1px solid var(--line); background: #fff; border-radius: 24px; padding: 48px 24px; text-align: center; }
@media (min-width: 900px) { .cta { padding: 72px 48px; } }
.cta h2 { margin-top: 14px; }
.cta p { margin: 14px auto 26px; max-width: 560px; color: var(--ink-2); font-size: 18px; }
.cta__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }

/* Pie */
.footer { border-top: 1px solid var(--line); padding: 56px 0 32px; font-size: 14px; color: var(--ink-2); }
.footer__grid { display: grid; gap: 28px; }
@media (min-width: 800px) { .footer__grid { grid-template-columns: 1.5fr repeat(4, 1fr); gap: 24px; } }
.footer .brand { margin-bottom: 12px; }
.footer h4 { font-size: 12.5px; letter-spacing: .07em; text-transform: uppercase; color: var(--ink); margin-bottom: 12px; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.footer a:hover { color: var(--ink); }
.footer__bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between; font-size: 13px; color: var(--muted); }

/* Movimiento sutil: la rúbrica se dibuja y las evidencias aparecen en orden */
.phone .sig path { stroke-dasharray: 560; stroke-dashoffset: 560; animation: draw 2.2s .7s cubic-bezier(.4, 0, .2, 1) forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.evid div { opacity: 0; transform: translateY(3px); animation: rise .45s ease forwards; }
.evid div:nth-child(2) { animation-delay: 1.2s; }
.evid div:nth-child(3) { animation-delay: 1.5s; }
.evid div:nth-child(4) { animation-delay: 1.8s; }
.evid div:nth-child(5) { animation-delay: 2.3s; }
.evid div:nth-child(6) { animation-delay: 2.9s; }
.evid div:nth-child(7) { animation-delay: 3.3s; }
.evid div:nth-child(8) { animation-delay: 3.7s; }
@keyframes rise { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .phone .sig path { animation: none; stroke-dashoffset: 0; }
  .evid div { animation: none; opacity: 1; transform: none; }
}

/* Utilidades */
.vis-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }