:root {
  --crema: #F6F4EF;
  --crema-2: #EFEBE2;
  --navy: #0D2E4D;
  --navy-2: #1B4166;
  --coral: #FE7364;
  --coral-osc: #E85A4B;
  --texto: #1E2F3D;
  --suave: #5A6B78;
  --linea: #DDD6C8;
  --blanco: #FFFFFF;
  --wa: #1FA855;
  --radio: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--crema);
  color: var(--texto);
  font: 17px/1.6 "Montserrat", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--navy); }

.contenedor { max-width: 1040px; margin: 0 auto; padding: 0 20px; }

/* Marca */
.marca { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.marca img { width: 46px; height: auto; }
.marca .nombre { font-family: "Cinzel", Georgia, serif; font-weight: 700; font-size: 22px; letter-spacing: .02em; color: var(--navy); line-height: 1; }
.marca .bajada { display: block; font-family: "Montserrat", sans-serif; font-weight: 500; font-size: 10.5px; letter-spacing: .3em; color: var(--coral-osc); margin-top: 5px; }

header.top { padding: 18px 0; }

/* Hero */
.hero { padding: 28px 0 56px; }
.hero .grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--coral-osc); margin: 0 0 12px; }
h1 { font-family: "Montserrat", sans-serif; font-weight: 800; font-size: clamp(34px, 5.4vw, 56px); line-height: 1.08; letter-spacing: -.02em; color: var(--navy); margin: 0 0 18px; }
.lead { font-size: 19px; color: var(--texto); margin: 0 0 28px; max-width: 34em; }
.acciones { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 15px 22px; border-radius: 12px; font: 700 16px "Montserrat", sans-serif; text-decoration: none; border: 0; cursor: pointer; }
.btn-wa { background: var(--wa); color: #fff; }
.btn-wa:hover { filter: brightness(.95); }
.btn-sec { background: transparent; color: var(--navy); box-shadow: inset 0 0 0 2px var(--navy); }
.btn-sec:hover { background: var(--navy); color: var(--crema); }
.nota { font-size: 14px; color: var(--suave); margin: 14px 0 0; }
.hero-img { justify-self: center; width: min(360px, 80%); }

/* Ejemplo de envío */
.ejemplo { background: var(--navy); color: var(--crema); padding: 64px 0; }
.ejemplo h2 { color: var(--crema); }
.ejemplo .grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: center; }
.ejemplo p { color: #C9D3DC; }
.burbuja { background: #E7F7EC; color: #13261F; border-radius: 14px 14px 14px 4px; padding: 16px 18px; font: 15.5px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; box-shadow: 0 10px 30px rgba(0,0,0,.25); }
.burbuja b { font-weight: 700; }
.burbuja .fuente { color: #0B6E99; word-break: break-all; }
.burbuja .hora { display: block; text-align: right; font-size: 12px; color: #667781; margin-top: 6px; }
.pie-ejemplo { font-size: 13px; margin-top: 10px; }

/* Secciones */
section.bloque { padding: 64px 0; }
h2 { font-family: "Montserrat", sans-serif; font-weight: 800; font-size: clamp(26px, 3.6vw, 36px); line-height: 1.15; letter-spacing: -.01em; color: var(--navy); margin: 0 0 14px; }
.intro { color: var(--suave); max-width: 40em; margin: 0 0 32px; }
.tarjetas { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.tarjeta { background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio); padding: 22px; }
.tarjeta .ico { font-size: 28px; line-height: 1; }
.tarjeta h3 { font-size: 17px; color: var(--navy); margin: 12px 0 6px; }
.tarjeta p { font-size: 15px; color: var(--suave); margin: 0; }

/* Formulario */
.suscripcion { background: var(--crema-2); }
.suscripcion .grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 48px; align-items: start; }
.lista-semanal { padding: 0; margin: 0; list-style: none; }
.lista-semanal li { padding: 8px 0 8px 30px; position: relative; border-bottom: 1px dashed var(--linea); font-size: 15.5px; }
.lista-semanal li::before { content: "→"; position: absolute; left: 4px; color: var(--coral-osc); font-weight: 700; }
form.tarjeta { padding: 26px; }
.campo { margin-bottom: 16px; }
.campo label { display: block; font-size: 14px; font-weight: 600; color: var(--navy); margin-bottom: 6px; }
.campo .opc { font-weight: 400; color: var(--suave); }
input[type=text], input[type=email], select {
  width: 100%; padding: 13px 14px; font: 16px "Montserrat", system-ui, sans-serif; color: var(--texto);
  background: var(--crema); border: 1.5px solid var(--linea); border-radius: 10px; appearance: none;
}
select { background-image: linear-gradient(45deg, transparent 50%, var(--navy) 50%), linear-gradient(135deg, var(--navy) 50%, transparent 50%); background-position: calc(100% - 20px) 55%, calc(100% - 14px) 55%; background-size: 6px 6px; background-repeat: no-repeat; }
input:focus, select:focus { outline: none; border-color: var(--navy); background-color: #fff; }
.dos { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--texto); margin: 10px 0; }
.check input { margin-top: 4px; width: 18px; height: 18px; accent-color: var(--navy); flex: none; }
.oculto { position: absolute; left: -9999px; }
.btn-enviar { width: 100%; background: var(--coral); color: #fff; margin-top: 8px; font-size: 17px; padding: 16px; }
.btn-enviar:hover { background: var(--coral-osc); }
.legal { font-size: 12.5px; color: var(--suave); margin: 12px 0 0; }

/* Pie */
footer.pie { padding: 34px 0 44px; font-size: 14px; color: var(--suave); border-top: 1px solid var(--linea); }
footer.pie .fila { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; align-items: center; }
footer.pie a { color: var(--suave); }

/* Páginas de texto */
.texto { max-width: 760px; padding: 24px 0 60px; }
.texto h1 { font-size: clamp(28px, 4vw, 40px); }
.texto h2 { font-size: 21px; margin-top: 34px; }
.texto p, .texto li { color: var(--texto); }

@media (max-width: 860px) {
  .hero .grid, .ejemplo .grid, .suscripcion .grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-img { order: -1; width: 200px; }
  .tarjetas { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .tarjetas { grid-template-columns: 1fr; }
  .dos { grid-template-columns: 1fr; }
  .acciones .btn { width: 100%; }
  .marca .nombre { font-size: 19px; }
  .hero { padding-top: 8px; }
  .hero-img { width: 120px; }
  section.bloque, .ejemplo { padding: 48px 0; }
}