:root {
  --tinta: #1a2332;
  --texto: #2d3748;
  --suave: #64748b;
  --acento: #1d4ed8;
  --acento-osc: #1e40af;
  --fondo: #f8fafc;
  --blanco: #ffffff;
  --borde: #e2e8f0;
  --ok: #15803d;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--texto);
  background: var(--fondo);
  line-height: 1.6;
}
.contenedor { max-width: 720px; margin: 0 auto; padding: 0 1.25rem; }
header.sitio {
  background: var(--blanco);
  border-bottom: 1px solid var(--borde);
  padding: 0.9rem 0;
}
header.sitio .contenedor { display: flex; align-items: center; justify-content: space-between; }
.logo { font-weight: 800; font-size: 1.15rem; color: var(--tinta); text-decoration: none; letter-spacing: -0.02em; }
.logo span { color: var(--acento); }
.hero { padding: 3rem 0 2rem; }
h1 { font-size: 1.9rem; line-height: 1.25; color: var(--tinta); letter-spacing: -0.02em; margin-bottom: 0.75rem; }
h2 { font-size: 1.25rem; color: var(--tinta); margin: 1.75rem 0 0.5rem; }
h3 { font-size: 1.05rem; color: var(--tinta); margin: 1.25rem 0 0.35rem; }
p { margin-bottom: 0.9rem; }
.sub { font-size: 1.08rem; color: var(--suave); }
ul, ol { margin: 0 0 1rem 1.3rem; }
li { margin-bottom: 0.4rem; }
.tarjeta {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 1.5rem 0;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}
.campo { margin-bottom: 1rem; }
.campo label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 0.3rem; color: var(--tinta); }
.campo input[type="text"], .campo input[type="email"] {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--borde);
  border-radius: 8px;
  font-size: 1rem;
  background: var(--blanco);
}
.campo input:focus { outline: 2px solid var(--acento); outline-offset: 1px; border-color: var(--acento); }
.consent { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.88rem; color: var(--texto); margin: 1.1rem 0; }
.consent input { margin-top: 0.3rem; width: 1.05rem; height: 1.05rem; flex-shrink: 0; }
.boton {
  display: inline-block;
  background: var(--acento);
  color: var(--blanco);
  font-weight: 700;
  font-size: 1.02rem;
  padding: 0.75rem 1.6rem;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
}
.boton:hover { background: var(--acento-osc); }
.nota { font-size: 0.82rem; color: var(--suave); }
.aviso-error {
  display: none;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
  border-radius: 8px;
  padding: 0.7rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.92rem;
}
.aviso-ok { color: var(--ok); font-weight: 600; }
.check { color: var(--ok); font-weight: 700; margin-right: 0.35rem; }
.honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
table.tabla { width: 100%; border-collapse: collapse; margin: 0 0 1rem; font-size: 0.93rem; }
table.tabla th, table.tabla td { border: 1px solid var(--borde); padding: 0.5rem 0.7rem; text-align: left; vertical-align: top; }
table.tabla th { background: var(--fondo); color: var(--tinta); }
blockquote.plantilla {
  background: var(--fondo);
  border-left: 3px solid var(--acento);
  padding: 0.9rem 1.1rem;
  border-radius: 0 8px 8px 0;
  font-size: 0.93rem;
  margin-bottom: 1rem;
  white-space: pre-line;
}
footer.sitio {
  border-top: 1px solid var(--borde);
  margin-top: 3rem;
  padding: 1.5rem 0 2.5rem;
  font-size: 0.82rem;
  color: var(--suave);
}
footer.sitio a { color: var(--suave); }
@media (max-width: 560px) { h1 { font-size: 1.5rem; } .hero { padding: 2rem 0 1rem; } }