/* NeatEduca — web pública. Neat Precision (~/Desarrollo/design-system.md).
   Autónoma: no comparte CSS con el backoffice a propósito (este sitio se
   despliega solo y no debe romperse al tocar la app). */

:root {
  /* Marca — ÚNICA variable del producto; el resto se deriva (§2 del master) */
  --brand:        #13A452;
  --brand-ink:    color-mix(in srgb, var(--brand) 82%, #000);
  --brand-soft:   color-mix(in srgb, var(--brand) 9%,  #fff);
  --brand-line:   color-mix(in srgb, var(--brand) 26%, #fff);

  /* Superficies de marca oscuras */
  --navy:    #0B3A24;
  --navy-2:  #124A2E;
  --on-navy: #A2C3AE;

  /* Neutros porcelana fría */
  --surface: #FFFFFF;
  --surface-dim: #F3F4F4;
  --surface-container-low: #FAFBFB;
  --surface-container: #EEF0F1;
  --outline: #D5D9DB;
  --outline-variant: #E7E9EA;
  --on-surface: #15181B;
  --on-surface-variant: #565C61;

  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 14px;
  --shadow-soft: 0 1px 2px rgba(16, 20, 26, .05);

  --font-display: 'Satoshi', 'Hanken Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-base: 'Hanken Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'Spline Sans Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --maxw: 1080px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--surface);
  color: var(--on-surface);
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

h1, h2, h3 { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.02em; margin: 0; }

a { color: var(--brand-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; border-radius: 4px; }

.skip {
  position: absolute; left: -9999px; top: 0; background: var(--surface);
  padding: 10px 16px; border: 1px solid var(--outline); border-radius: var(--radius-md); z-index: 10;
}
.skip:focus { left: 12px; top: 12px; }

/* Etiqueta monoespaciada — el sello operativo del sistema */
.label {
  font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase;
  letter-spacing: .06em; color: var(--on-surface-variant); margin: 0 0 10px;
}

/* ── Cabecera ─────────────────────────────────────────────── */
.site-header {
  border-bottom: 1px solid var(--outline-variant);
  background: var(--surface);
  position: sticky; top: 0; z-index: 5;
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 20px; }

.brand { display: flex; align-items: center; gap: 10px; }
.brand-dot { width: 26px; height: 26px; border-radius: 7px; background: var(--brand); flex: none; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 18px; letter-spacing: -0.01em; }
.brand-name small {
  display: block; font-family: var(--font-base); font-weight: 500;
  font-size: 12px; color: var(--on-surface-variant); letter-spacing: .02em;
}

.site-nav { display: flex; gap: 22px; font-size: 14.5px; }
.site-nav a { color: var(--on-surface-variant); }
.site-nav a:hover { color: var(--brand-ink); text-decoration: none; }
@media (max-width: 720px) { .site-nav { display: none; } }

/* ── Hero ─────────────────────────────────────────────────── */
.hero { padding: 72px 0 64px; border-bottom: 1px solid var(--outline-variant); }
.hero h1 { font-size: clamp(32px, 5.2vw, 52px); line-height: 1.08; max-width: 16ch; }
.hero p.lead {
  font-size: clamp(17px, 2.2vw, 20px); color: var(--on-surface-variant);
  max-width: 58ch; margin: 20px 0 0; line-height: 1.5;
}
.hero .operador {
  margin: 28px 0 0; font-family: var(--font-mono); font-size: 13px;
  color: var(--on-surface-variant);
}

/* ── Rejilla de módulos ───────────────────────────────────── */
.section { padding: 64px 0; border-bottom: 1px solid var(--outline-variant); }
.section h2 { font-size: clamp(23px, 3vw, 30px); max-width: 22ch; }
.section > .wrap > p.intro { color: var(--on-surface-variant); max-width: 62ch; margin: 14px 0 0; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(232px, 1fr)); gap: 1px; margin-top: 36px;
  background: var(--outline-variant); border: 1px solid var(--outline-variant); border-radius: var(--radius-lg); overflow: hidden; }
.card { background: var(--surface); padding: 24px 22px; }
.card h3 { font-size: 17px; margin-bottom: 8px; }
.card p { margin: 0; color: var(--on-surface-variant); font-size: 15px; }

/* ── Bloque oscuro: cómo se paga (la apuesta visual de la página) ── */
.board { background: var(--navy); color: #fff; padding: 64px 0; }
.board h2 { color: #fff; font-size: clamp(23px, 3vw, 30px); }
.board .label { color: var(--on-navy); }
.board p { color: var(--on-navy); max-width: 62ch; }
.board .steps {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 26px; margin-top: 40px;
}
.board .step { border-top: 1px solid var(--navy-2); padding-top: 16px; }
.board .step .n {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em;
  color: color-mix(in srgb, var(--brand) 60%, #fff); display: block; margin-bottom: 8px;
}
.board .step h3 { font-size: 16px; color: #fff; margin-bottom: 6px; }
.board .step p { font-size: 14.5px; margin: 0; }
.board .nota {
  margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--navy-2);
  font-size: 14px; color: var(--on-navy);
}

/* ── Ficha del operador ───────────────────────────────────── */
.ficha {
  margin-top: 32px; border: 1px solid var(--outline-variant);
  border-radius: var(--radius-lg); overflow: hidden; background: var(--surface-container-low);
}
.ficha dl { margin: 0; display: grid; grid-template-columns: minmax(140px, 200px) 1fr; }
.ficha dt {
  font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--on-surface-variant); padding: 14px 20px; border-bottom: 1px solid var(--outline-variant);
  background: var(--surface-container-low);
}
.ficha dd {
  margin: 0; padding: 14px 20px; border-bottom: 1px solid var(--outline-variant);
  background: var(--surface); font-size: 15px;
}
.ficha dl > :nth-last-child(-n+2) { border-bottom: 0; }
@media (max-width: 620px) {
  .ficha dl { grid-template-columns: 1fr; }
  .ficha dt { padding-bottom: 2px; border-bottom: 0; background: var(--surface); }
}

/* ── Documentos legales ───────────────────────────────────── */
.docnav { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.docnav a {
  font-size: 14.5px; background: var(--surface); border: 1px solid var(--outline);
  border-radius: 999px; padding: 8px 16px; color: var(--on-surface);
}
.docnav a:hover { border-color: var(--brand); color: var(--brand-ink); text-decoration: none; }

/* ── Pie ──────────────────────────────────────────────────── */
footer.site-footer { padding: 40px 0; background: var(--surface-container-low); }
footer.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; }
footer.site-footer p { margin: 0; font-size: 13.5px; color: var(--on-surface-variant); }