:root {
  --verde: #059669;
  --verde-oscuro: #047857;
  --verde-claro: #ecfdf5;
  --tinta: #0f172a;
  --suave: #475569;
  --borde: #e2e8f0;
  --fondo: #ffffff;
  --tarjeta: #f8fafc;
}
@media (prefers-color-scheme: dark) {
  :root {
    --verde: #34d399;
    --verde-oscuro: #10b981;
    --verde-claro: #052e22;
    --tinta: #e2e8f0;
    --suave: #94a3b8;
    --borde: #1e293b;
    --fondo: #0b1120;
    --tarjeta: #111827;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--tinta);
  background: var(--fondo);
  line-height: 1.6;
}
a { color: var(--verde); }
.contenedor { max-width: 960px; margin: 0 auto; padding: 0 16px; }
header.barra { border-bottom: 1px solid var(--borde); }
header.barra .contenedor { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.marca { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--tinta); text-decoration: none; }
.marca img { width: 32px; height: 32px; }
nav a { margin-left: 16px; text-decoration: none; color: var(--suave); font-size: 15px; }
.hero { padding: 56px 0 32px; text-align: center; }
.hero h1 { font-size: clamp(32px, 6vw, 52px); line-height: 1.1; margin: 0 0 16px; letter-spacing: -0.02em; }
.hero p { font-size: 19px; color: var(--suave); max-width: 640px; margin: 0 auto 28px; }
.boton {
  display: inline-block; background: var(--verde); color: #fff; text-decoration: none; font-weight: 700;
  padding: 14px 26px; border-radius: 12px;
}
.boton[aria-disabled="true"] { opacity: 0.6; pointer-events: none; }
.nota { display: block; margin-top: 10px; font-size: 14px; color: var(--suave); }
.captura { margin: 40px auto 0; max-width: 900px; border-radius: 16px; overflow: hidden; border: 1px solid var(--borde); }
.captura img { display: block; width: 100%; height: auto; }
section { padding: 40px 0; }
h2 { font-size: 28px; margin: 0 0 20px; }
.rejilla { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr)); gap: 16px; }
.tarjeta { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: 14px; padding: 20px; }
.tarjeta h3 { margin: 0 0 6px; font-size: 18px; }
.tarjeta p { margin: 0; color: var(--suave); }
ol.pasos { padding-left: 20px; font-size: 17px; }
.precios .tarjeta strong { font-size: 24px; display: block; margin: 6px 0; }
footer { border-top: 1px solid var(--borde); padding: 28px 0; color: var(--suave); font-size: 14px; }
footer .contenedor { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; }
.legal { max-width: 760px; }
.legal h1 { font-size: 34px; margin: 40px 0 8px; }
.legal table { width: 100%; border-collapse: collapse; font-size: 15px; }
.legal th, .legal td { text-align: left; border-bottom: 1px solid var(--borde); padding: 8px 6px; vertical-align: top; }
.legal .tabla { overflow-x: auto; }
.resumen { background: var(--verde-claro); border-radius: 12px; padding: 14px 18px; }

.guia h2 { margin-top: 32px; }
.guia code { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: 6px; padding: 1px 6px; font-size: 0.92em; word-break: break-all; }
.cta { background: var(--verde-claro); border-radius: 16px; padding: 20px 22px; margin: 32px 0; }
.cta h2 { margin-top: 0; }
.lista-guias a { font-weight: 600; text-decoration: none; }
@media (max-width: 480px) {
  nav a { margin-left: 12px; font-size: 14px; }
  nav a[href="#como"] { display: none; }
}