:root {
  --azul: #24506b;
  --azul-oscuro: #16374d;
  --azul-claro: #e8f0f5;
  --ambar: #f59e0b;
  --ambar-texto: #b45309;
  --fondo: #f7f5f0;
  --tarjeta: #ffffff;
  --texto: #1d2b33;
  --tenue: #58666e;
  --borde: #dbe3e8;
  --radio: 18px;
  --sombra: 0 18px 40px -24px rgba(22, 55, 77, 0.45);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  background: var(--fondo);
  color: var(--texto);
  line-height: 1.55;
}

img { max-width: 100%; display: block; }

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

.envoltura {
  width: min(1140px, calc(100% - 40px));
  margin: 0 auto;
}

/* Cabecera */
.cabecera {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--borde);
}

.cabecera__alta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 68px;
}

.marca {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  font-weight: 800;
  letter-spacing: -0.2px;
}

.marca img { width: 40px; height: 40px; border-radius: 11px; }

.marca small {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--tenue);
  letter-spacing: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 0.92rem;
  font-weight: 600;
}

.nav a { color: var(--texto); text-decoration: none; }

.nav a:hover { color: var(--azul); }

.nav__cta {
  background: var(--azul);
  color: #fff !important;
  padding: 9px 16px;
  border-radius: 999px;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 12px 22px;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn--principal {
  background: var(--ambar);
  color: #3b2400;
  box-shadow: 0 12px 24px -14px rgba(180, 83, 9, 0.8);
}

.btn--secundario {
  background: transparent;
  border-color: var(--borde);
  color: var(--azul);
}

.btn--grande { padding: 14px 26px; font-size: 1.02rem; }

/* Portada */
.hero {
  padding: 64px 0 52px;
  background:
    radial-gradient(900px 420px at 88% -10%, rgba(245, 158, 11, 0.18), transparent 65%),
    linear-gradient(180deg, #fffdf8 0%, var(--fondo) 100%);
  border-bottom: 1px solid var(--borde);
}

.hero__rejilla {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 44px;
  align-items: start;
}

.sello {
  display: inline-block;
  background: var(--azul-claro);
  color: var(--azul);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
}

.hero h1 {
  margin: 18px 0 14px;
  font-size: clamp(2.1rem, 4.2vw, 3.3rem);
  line-height: 1.08;
  letter-spacing: -1.2px;
}

.hero p.lead {
  font-size: 1.1rem;
  color: var(--tenue);
  max-width: 58ch;
}

.hero__puntos {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 26px;
  padding: 0;
  list-style: none;
}

.hero__puntos li {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: 999px;
  padding: 7px 13px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--azul);
}

.hero__botones { display: flex; gap: 12px; flex-wrap: wrap; }

.hero__nota {
  margin-top: 16px;
  font-size: 0.86rem;
  color: var(--tenue);
  max-width: 60ch;
}

/* Formulario */
.acceso {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: 26px;
  padding: 26px;
  box-shadow: var(--sombra);
}

.acceso h2 { margin: 0 0 4px; font-size: 1.35rem; letter-spacing: -0.4px; }

.acceso p.intro { margin: 0 0 18px; color: var(--tenue); font-size: 0.92rem; }

.campo { display: block; margin-bottom: 14px; }

.campo span {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.campo input,
.campo select {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--borde);
  border-radius: 12px;
  font: inherit;
  background: #fff;
  color: inherit;
}

.campo input:focus,
.campo select:focus {
  outline: 2px solid rgba(36, 80, 107, 0.35);
  border-color: var(--azul);
}

.campo--check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.84rem;
  color: var(--tenue);
  margin: 4px 0 18px;
}

.campo--check input { margin-top: 3px; }

.acceso .btn { width: 100%; }

.aviso {
  margin: 12px 0 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: #fdecec;
  border: 1px solid #f3c2c2;
  color: #8a1f1f;
  font-size: 0.86rem;
}

.oculto { display: none; }

.acceso__pie { margin: 14px 0 0; font-size: 0.78rem; color: var(--tenue); text-align: center; }

/* Secciones */
.seccion { padding: 56px 0; }

.seccion--alterna { background: #fffdf8; border-top: 1px solid var(--borde); border-bottom: 1px solid var(--borde); }

.seccion__cabecera { max-width: 720px; margin-bottom: 28px; }

.seccion__cabecera h2 {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  letter-spacing: -0.7px;
  line-height: 1.15;
}

.seccion__cabecera p { margin: 0; color: var(--tenue); font-size: 1.02rem; }

.rejilla {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.tarjeta {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 20px;
}

.tarjeta h3 { margin: 12px 0 6px; font-size: 1.02rem; letter-spacing: -0.2px; }

.tarjeta p { margin: 0; color: var(--tenue); font-size: 0.9rem; }

.icono {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--azul-claro);
  color: var(--azul);
  font-size: 1.2rem;
  font-weight: 800;
}

.icono--ambar { background: #fef3d7; color: var(--ambar-texto); }

/* Flujo */
.flujo {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  counter-reset: paso;
}

.paso {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 18px;
  position: relative;
}

.paso::before {
  counter-increment: paso;
  content: counter(paso);
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: var(--azul);
  color: #fff;
  font-weight: 800;
  font-size: 0.86rem;
  margin-bottom: 10px;
}

.paso h3 { margin: 0 0 6px; font-size: 0.98rem; }

.paso p { margin: 0; font-size: 0.86rem; color: var(--tenue); }

/* Precios */
.planes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
}

.plan {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: 22px;
  padding: 26px;
  display: flex;
  flex-direction: column;
}

.plan--premium {
  border-color: var(--ambar);
  box-shadow: 0 20px 40px -30px rgba(180, 83, 9, 0.65);
}

.plan__etiqueta {
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--tenue);
}

.plan--premium .plan__etiqueta { color: var(--ambar-texto); }

.plan h3 { margin: 8px 0 2px; font-size: 1.5rem; letter-spacing: -0.5px; }

.plan .precio { font-size: 2rem; font-weight: 800; letter-spacing: -1px; margin: 10px 0 2px; }

.plan .precio small { font-size: 0.9rem; font-weight: 600; color: var(--tenue); }

.plan ul { margin: 14px 0 20px; padding: 0; list-style: none; display: grid; gap: 8px; }

.plan li { position: relative; padding-left: 24px; font-size: 0.92rem; }

.plan li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: #15803d;
  font-weight: 800;
}

.plan--premium li::before { color: var(--ambar-texto); }

.plan .btn { margin-top: auto; }

/* Preguntas */
.preguntas { display: grid; gap: 10px; max-width: 880px; }

.preguntas details {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: 14px;
  padding: 16px 18px;
}

.preguntas summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.preguntas summary::-webkit-details-marker { display: none; }

.preguntas summary::after { content: "+"; float: right; color: var(--azul); font-weight: 800; }

.preguntas details[open] summary::after { content: "−"; }

.preguntas p { margin: 10px 0 0; color: var(--tenue); font-size: 0.92rem; }

/* Pie */
.pie { background: var(--azul-oscuro); color: #d8e6ee; padding: 36px 0 24px; }

.pie__rejilla {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 28px;
}

.pie h4 { margin: 0 0 10px; color: #fff; font-size: 0.95rem; }

.pie a { color: #cfe3ee; text-decoration: none; font-size: 0.9rem; display: block; margin-bottom: 6px; }

.pie a:hover { color: #fff; text-decoration: underline; }

.pie__marca { display: flex; gap: 12px; align-items: center; margin-bottom: 10px; font-weight: 800; color: #fff; }

.pie__marca img { width: 38px; height: 38px; border-radius: 10px; }

.pie p { margin: 0; color: #a9c2d0; font-size: 0.86rem; }

.pie__base {
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: #a9c2d0;
}

/* Páginas legales */
.legal { padding: 48px 0 64px; }

.legal article {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: 22px;
  padding: clamp(22px, 4vw, 42px);
  max-width: 900px;
  margin: 0 auto;
}

.legal h1 { margin: 0 0 6px; font-size: clamp(1.7rem, 3vw, 2.3rem); letter-spacing: -0.7px; }

.legal .fecha { color: var(--tenue); font-size: 0.86rem; margin: 0 0 24px; }

.legal h2 { margin: 28px 0 8px; font-size: 1.12rem; letter-spacing: -0.2px; }

.legal p, .legal li { font-size: 0.95rem; }

.legal ul { padding-left: 20px; }

.legal a { font-weight: 600; }

@media (max-width: 900px) {
  .hero__rejilla { grid-template-columns: 1fr; gap: 30px; }
  .rejilla { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flujo { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pie__rejilla { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .nav { gap: 12px; font-size: 0.86rem; }
  .nav a:not(.nav__cta) { display: none; }
  .hero { padding: 40px 0; }
  .rejilla, .flujo, .planes { grid-template-columns: 1fr; }
  .pie__rejilla { grid-template-columns: 1fr; }
  .cabecera__alta { min-height: 60px; }
}