/* ═══════════════════════════════════════════════════════
   Estilos de las páginas estáticas de contenido (SEO).
   Viven fuera de React: son HTML plano en public/ que Vercel
   sirve antes del fallback del SPA, para que cada URL tenga
   su propio title/description/H1 indexable.

   Compatible con el CSP de vercel.json: hoja externa desde
   'self', sin fuentes remotas (font-src 'self') y sin scripts.
   Las variables de color son las mismas de APP_CFG_DEF en App.jsx.
═══════════════════════════════════════════════════════ */
:root {
  --pri: #0072ff;
  --sec: #00c6ff;
  --dark: #0a1628;
  --dark2: #1a3a5c;
  --bg: #f0f4f8;
  --txt: #1a2332;
  --muted: #64748b;
  --line: #e2e8f0;
  --card: #fff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'DM Sans', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--txt);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 820px; margin: 0 auto; padding: 0 20px; }
.wrap-wide { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* ── Header ─────────────────────────────────────────── */
.top {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 22, 40, .96);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.top-in {
  max-width: 1100px; margin: 0 auto; padding: 13px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand img {
  width: 34px; height: 34px; border-radius: 9px; object-fit: contain;
  background: linear-gradient(135deg, var(--sec), var(--pri)); padding: 4px;
}
.brand span { color: #fff; font-weight: 800; font-size: 15px; }
.top nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.top nav a {
  color: rgba(255, 255, 255, .74); text-decoration: none;
  font-size: 13px; font-weight: 600; white-space: nowrap;
}
.top nav a:hover { color: #fff; }
.top .cta-sm {
  background: linear-gradient(135deg, var(--pri), var(--sec));
  color: #fff; padding: 9px 16px; border-radius: 10px;
  font-size: 13px; font-weight: 700; text-decoration: none; white-space: nowrap;
}

/* ── Hero ───────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark2) 55%, var(--dark) 100%);
  padding: 44px 20px 52px; color: #fff;
}
.hero .wrap { max-width: 820px; }
.tag {
  display: inline-block; padding: 5px 13px; border-radius: 20px;
  background: rgba(0, 114, 255, .18); color: #7dd3fc;
  font-size: 12px; font-weight: 700; margin-bottom: 16px;
}
.hero h1 {
  font-size: clamp(26px, 4.6vw, 40px); font-weight: 800;
  line-height: 1.18; margin: 0 0 14px;
}
.hero .lede { color: rgba(255, 255, 255, .68); font-size: 16px; margin: 0 0 26px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* ── Migas de pan ───────────────────────────────────── */
.migas { font-size: 12px; color: rgba(255, 255, 255, .5); margin-bottom: 14px; }
.migas a { color: rgba(255, 255, 255, .72); text-decoration: none; }
.migas a:hover { text-decoration: underline; }
.migas span { margin: 0 6px; }

/* ── Botones ────────────────────────────────────────── */
.btn {
  display: inline-block; padding: 13px 26px; border-radius: 12px;
  font-size: 15px; font-weight: 700; text-decoration: none; border: none;
}
.btn-pri {
  background: linear-gradient(135deg, var(--pri), var(--sec));
  color: #fff; box-shadow: 0 8px 24px rgba(0, 114, 255, .35);
}
.btn-ghost {
  border: 1px solid rgba(255, 255, 255, .28); color: #fff; font-weight: 600;
}
.btn-out { border: 1px solid var(--pri); color: var(--pri); background: #fff; }

/* ── Cuerpo de artículo ─────────────────────────────── */
main { padding: 48px 0 8px; }
main h2 {
  font-size: 23px; font-weight: 800; margin: 42px 0 12px;
  line-height: 1.3; color: var(--txt);
}
main h2:first-child { margin-top: 0; }
main h3 { font-size: 17px; font-weight: 700; margin: 26px 0 8px; }
main p { margin: 0 0 16px; color: #334155; }
main ul, main ol { margin: 0 0 18px; padding-left: 22px; color: #334155; }
main li { margin-bottom: 8px; }
main a { color: var(--pri); }
main strong { color: var(--txt); }

.nota {
  background: #fff; border-left: 3px solid var(--pri);
  border-radius: 0 12px 12px 0; padding: 16px 20px; margin: 24px 0;
  font-size: 14px; color: #475569;
}
.nota strong { display: block; margin-bottom: 4px; color: var(--txt); }

/* ── Tarjetas ───────────────────────────────────────── */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; margin: 24px 0; }
.card {
  background: var(--card); border-radius: 16px; padding: 20px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, .06); text-decoration: none; display: block;
}
.card .ico { font-size: 24px; margin-bottom: 8px; }
.card h3 { margin: 0 0 6px; font-size: 15px; font-weight: 700; color: var(--txt); }
.card p { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.5; }
a.card:hover { box-shadow: 0 6px 20px rgba(0, 114, 255, .16); }

/* ── Tabla comparativa ──────────────────────────────── */
.tabla-wrap { overflow-x: auto; margin: 24px 0; }
table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 14px; overflow: hidden; font-size: 14px; min-width: 520px; }
th, td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--dark); color: #fff; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; }
td:first-child { font-weight: 600; color: var(--txt); width: 30%; }
tr:last-child td { border-bottom: none; }
.si { color: #059669; font-weight: 700; }
.no { color: #dc2626; font-weight: 700; }

/* ── FAQ ────────────────────────────────────────────── */
.faq { background: #fff; border-radius: 14px; padding: 20px; margin-bottom: 12px; box-shadow: 0 2px 12px rgba(0, 0, 0, .05); }
.faq h3 { margin: 0 0 6px; font-size: 15px; }
.faq p { margin: 0; font-size: 14px; color: var(--muted); }

/* ── Cierre / CTA ───────────────────────────────────── */
.cierre {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark2) 100%);
  border-radius: 20px; padding: 36px 28px; text-align: center;
  margin: 52px 0 0; color: #fff;
}
.cierre h2 { color: #fff; font-size: 22px; margin: 0 0 10px; }
.cierre p { color: rgba(255, 255, 255, .68); font-size: 15px; margin: 0 0 22px; }

/* ── Lista del blog ─────────────────────────────────── */
.post {
  display: block; background: #fff; border-radius: 16px; padding: 22px;
  margin-bottom: 14px; text-decoration: none; box-shadow: 0 2px 12px rgba(0, 0, 0, .06);
}
.post:hover { box-shadow: 0 6px 20px rgba(0, 114, 255, .16); }
.post .meta { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.post h2 { font-size: 18px; margin: 0 0 8px; color: var(--txt); }
.post p { font-size: 14px; color: var(--muted); margin: 0; }

/* ── Footer ─────────────────────────────────────────── */
footer { background: var(--dark); padding: 46px 20px 28px; margin-top: 64px; }
.f-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 30px; margin-bottom: 32px; }
.f-grid h4 { color: rgba(255, 255, 255, .5); font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin: 0 0 12px; }
.f-grid a { display: block; color: rgba(255, 255, 255, .72); font-size: 13px; text-decoration: none; margin-bottom: 9px; }
.f-grid a:hover { color: #fff; }
.f-grid .desc { color: rgba(255, 255, 255, .4); font-size: 12px; margin: 0 0 12px; }
.f-grid .nom { color: #fff; font-weight: 700; font-size: 14px; margin-bottom: 6px; }
.f-wa { color: #7dd3fc !important; font-weight: 600; }
.f-legal { color: rgba(255, 255, 255, .25); font-size: 11px; text-align: center; border-top: 1px solid rgba(255, 255, 255, .08); padding-top: 20px; }

@media (max-width: 620px) {
  .top nav a { font-size: 12px; }
  .hero { padding: 32px 20px 40px; }
  main { padding: 34px 0 0; }
}