/* Estilos compartidos por las landings de marketing (SEO). */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --azul: #2f6df6;
  --azul-osc: #1e56d6;
  --tinta: #0f172a;
  --gris: #5b6472;
  --linea: #e6e9ef;
  --fondo: #ffffff;
  --suave: #f6f8fc;
}
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  color: var(--tinta);
  background: var(--fondo);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.contenedor { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.estrecho { max-width: 800px; }

/* Botones */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 600;
  padding: 12px 22px; border-radius: 10px;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .05s ease, background .15s ease, box-shadow .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primario { background: var(--azul); color: #fff; box-shadow: 0 6px 18px rgba(47,109,246,.28); }
.btn-primario:hover { background: var(--azul-osc); }
.btn-fantasma { background: transparent; color: var(--tinta); border-color: var(--linea); }
.btn-fantasma:hover { background: var(--suave); }

/* Cabecera */
header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,.85);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--linea);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.marca { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; letter-spacing: -.02em; }
.marca svg { width: 28px; height: 28px; }

/* Hero */
.hero { padding: 78px 0 56px; text-align: center; }
.tag { display: inline-block; font-size: 13px; font-weight: 600; color: var(--azul); background: #eaf1ff; padding: 6px 14px; border-radius: 999px; margin-bottom: 22px; }
.hero h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.06; letter-spacing: -.03em; margin-bottom: 20px; font-weight: 800; }
.hero h1 span { color: var(--azul); }
.hero p.lead { font-size: clamp(17px, 2.4vw, 21px); color: var(--gris); max-width: 660px; margin: 0 auto 32px; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-nota { margin-top: 16px; font-size: 14px; color: var(--gris); }

/* Secciones */
.seccion { padding: 64px 0; }
.seccion.suave { background: var(--suave); border-top: 1px solid var(--linea); border-bottom: 1px solid var(--linea); }
.seccion h2 { font-size: clamp(24px, 3.4vw, 34px); letter-spacing: -.02em; margin-bottom: 14px; }
.seccion.centrado h2 { text-align: center; }
.seccion .sub { color: var(--gris); max-width: 640px; margin: 0 auto 40px; font-size: 17px; }
.seccion.centrado .sub { text-align: center; }

/* Prosa */
.prosa p { color: var(--tinta); font-size: 17px; margin-bottom: 16px; }
.prosa p.gris { color: var(--gris); }

/* Lista con checks */
.checks { list-style: none; display: grid; gap: 14px; }
.checks li { position: relative; padding-left: 34px; font-size: 16px; color: var(--tinta); }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 2px;
  width: 22px; height: 22px; border-radius: 7px; background: #eaf1ff;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%232f6df6' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center;
}
.checks li b { font-weight: 700; }

/* Comparativa dos columnas */
.dos { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.col { border: 1px solid var(--linea); border-radius: 14px; padding: 26px; background: #fff; }
.col.destacada { border-color: #cfe0ff; background: #fbfcff; box-shadow: 0 10px 30px -18px rgba(47,109,246,.35); }
.col h3 { font-size: 19px; margin-bottom: 14px; }
.col ul { list-style: none; display: grid; gap: 10px; }
.col li { position: relative; padding-left: 26px; color: var(--gris); font-size: 15px; }
.col li::before { content: "–"; position: absolute; left: 6px; color: var(--gris); }
.col.destacada li { color: var(--tinta); }
.col.destacada li::before { content: "✓"; color: var(--azul); font-weight: 700; }

/* FAQ */
.faq { display: grid; gap: 12px; max-width: 800px; margin: 0 auto; }
.faq details { border: 1px solid var(--linea); border-radius: 12px; padding: 4px 18px; background: #fff; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 16px; padding: 14px 0; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--azul); font-size: 22px; font-weight: 400; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--gris); padding: 0 0 16px; font-size: 15.5px; }

/* Cierre */
.cierre { text-align: center; padding: 78px 0; }
.cierre h2 { font-size: clamp(26px, 3.8vw, 38px); letter-spacing: -.02em; margin-bottom: 14px; }
.cierre p { color: var(--gris); font-size: 18px; margin-bottom: 28px; }

/* Enlaces entre landings */
.mas { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 8px; }
.mas a { font-size: 14px; color: var(--azul); border: 1px solid var(--linea); border-radius: 999px; padding: 8px 16px; background: #fff; }
.mas a:hover { background: var(--suave); }

footer { border-top: 1px solid var(--linea); padding: 34px 0; color: var(--gris); font-size: 14px; }
.foot { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.foot-links { display: flex; gap: 18px; flex-wrap: wrap; }
.foot-links a:hover { color: var(--tinta); }

@media (max-width: 760px) {
  .dos { grid-template-columns: 1fr; }
  .hero { padding: 56px 0 36px; }
}