.zona {
  --z-fondo: #071F35;
  --z-fondo-2: #0C3459;
  --z-linea: rgba(255, 255, 255, 0.18);
  --z-texto: #EEF5FC;
  --z-tenue: #9DB6CC;
  --z-acento: #FFD84D;
  --z-vidrio: rgba(255, 255, 255, 0.055);
  --z-radio: 14px;
  background: var(--z-fondo);
  color: var(--z-texto);
  font-feature-settings: "cv05" 1, "ss03" 1;
}

.zona *,
.zona *::before,
.zona *::after { box-sizing: border-box; }

.zona-ancho { width: min(1140px, calc(100% - 40px)); margin-inline: auto; }

.zona-seccion { padding: clamp(56px, 9vw, 112px) 0; border-top: 1px solid var(--z-linea); }

.zona-etiqueta {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--z-acento);
  margin-bottom: 14px;
}

.zona h1, .zona h2, .zona h3 { color: #fff; margin: 0; text-wrap: balance; }

.zona h1 {
  font-size: clamp(2.6rem, 7.4vw, 5.1rem);
  font-weight: 850;
  line-height: 0.95;
  letter-spacing: -0.035em;
}

.zona h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.025em;
}

.zona h3 { font-size: 1.05rem; font-weight: 700; letter-spacing: -0.01em; }

.zona p { margin: 0; color: var(--z-tenue); line-height: 1.65; }
.zona .zona-lead { font-size: clamp(1.02rem, 1.5vw, 1.18rem); max-width: 62ch; }

.zona a { color: inherit; }

.zona-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 7vw, 88px) 0 clamp(56px, 8vw, 96px);
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(255, 216, 77, 0.16), transparent 58%),
    linear-gradient(180deg, var(--z-fondo-2), var(--z-fondo) 70%);
}

.zona-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--z-linea) 1px, transparent 1px),
    linear-gradient(90deg, var(--z-linea) 1px, transparent 1px);
  background-size: 92px 92px;
  opacity: 0.28;
  pointer-events: none;
}

.zona-hero > * { position: relative; z-index: 1; }

.zona-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.zona-hero h1 span { color: var(--z-acento); display: block; }

.zona-hero .zona-lead { margin-top: 20px; }

.zona-marcas { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }

.zona-marca {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid var(--z-linea);
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--z-texto);
  background: var(--z-vidrio);
}

.zona-marca::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--z-acento);
}

.zona-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 30px;
  padding: 16px 30px;
  border: 0;
  border-radius: 999px;
  background: var(--z-acento);
  color: #08243D;
  font: inherit;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease;
  box-shadow: 0 10px 30px rgba(255, 216, 77, 0.24);
}

.zona-cta:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(255, 216, 77, 0.32); }

.zona-cta-nota { display: block; margin-top: 12px; font-size: 12.5px; color: var(--z-tenue); }

.zona-pista-caja {
  background: var(--z-vidrio);
  border: 1px solid var(--z-linea);
  border-radius: var(--z-radio);
  padding: clamp(18px, 2.6vw, 26px);
}

.zona-pista-titulo { font-size: 13px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.zona-pista-ayuda { font-size: 12.5px; color: var(--z-tenue); margin-bottom: 16px; }

.zona-pista input { position: absolute; width: 1px; height: 1px; opacity: 0; margin: 0; }

.zona-pista {
  position: relative;
  aspect-ratio: 2 / 1;
  border: 2px solid rgba(255, 255, 255, 0.62);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.035);
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
}

.zona-pista::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(255, 255, 255, 0.62);
  transform: translateX(-1px);
  z-index: 2;
  pointer-events: none;
}

.zona-mitad { position: relative; display: grid; grid-template-rows: 1fr 1fr; }
.zona-mitad + .zona-mitad { border-left: 0; }

.zona-pista label {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  text-align: center;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--z-tenue);
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.28);
  transition: background 160ms ease, color 160ms ease;
}

.zona-pista label:hover { background: rgba(255, 255, 255, 0.07); color: #fff; }

.zona-radios input:checked + label,
.zona-pista input:checked + label { background: var(--z-acento); color: #08243D; }

.zona-pista-pie { display: flex; justify-content: space-between; gap: 12px; margin-top: 14px; font-size: 12px; color: var(--z-tenue); }

.zona-rejilla { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(238px, 1fr)); margin-top: 40px; }

.zona-tarjeta {
  padding: 26px 24px;
  border: 1px solid var(--z-linea);
  border-radius: var(--z-radio);
  background: var(--z-vidrio);
}

.zona-tarjeta h3 { margin-bottom: 9px; }
.zona-tarjeta p { font-size: 14px; }

.zona-pasos { counter-reset: paso; display: grid; gap: 2px; margin-top: 40px; }

.zona-paso {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  padding: 26px 0;
  border-top: 1px solid var(--z-linea);
}

.zona-paso:last-child { border-bottom: 1px solid var(--z-linea); }

.zona-paso::before {
  counter-increment: paso;
  content: counter(paso, decimal-leading-zero);
  font-size: 30px;
  font-weight: 850;
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--z-acento);
  font-variant-numeric: tabular-nums;
}

.zona-paso h3 { margin-bottom: 6px; }
.zona-paso p { font-size: 14.5px; }

.zona-cifras { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 2px; margin-top: 36px; }

.zona-cifra { padding: 24px 20px; border: 1px solid var(--z-linea); }
.zona-cifra b { display: block; font-size: clamp(2rem, 4vw, 2.9rem); font-weight: 850; letter-spacing: -0.045em; color: #fff; font-variant-numeric: tabular-nums; line-height: 1; }
.zona-cifra span { display: block; margin-top: 8px; font-size: 12px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--z-tenue); }

.zona-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.zona-chip { padding: 8px 14px; border: 1px solid var(--z-linea); border-radius: 999px; font-size: 13px; font-weight: 600; }

.zona-faq { margin-top: 36px; border-top: 1px solid var(--z-linea); }
.zona-faq details { border-bottom: 1px solid var(--z-linea); }
.zona-faq summary { display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 20px 0; cursor: pointer; font-weight: 650; color: #fff; list-style: none; font-size: 15.5px; }
.zona-faq summary::-webkit-details-marker { display: none; }
.zona-faq summary::after { content: "+"; font-size: 22px; font-weight: 400; color: var(--z-acento); line-height: 1; }
.zona-faq details[open] summary::after { content: "−"; }
.zona-faq details p { padding-bottom: 22px; font-size: 14.5px; max-width: 76ch; }

.zona-form-grid { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr); gap: clamp(28px, 4vw, 56px); align-items: start; }

.zona-form {
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--z-linea);
  border-radius: var(--z-radio);
  background: var(--z-vidrio);
}

.zona-campo { margin-bottom: 16px; }
.zona-campo label { display: block; margin-bottom: 7px; font-size: 12.5px; font-weight: 650; color: var(--z-texto); }

.zona-campo input[type="text"],
.zona-campo select,
.zona-campo textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  font: inherit;
  font-size: 15px;
}

.zona-campo textarea { resize: vertical; min-height: 84px; }
.zona-campo select option { color: #101828; }

.zona-campo input::placeholder, .zona-campo textarea::placeholder { color: rgba(157, 182, 204, 0.75); }

.zona-legal { display: flex; gap: 11px; align-items: flex-start; margin: 20px 0; font-size: 12.5px; color: var(--z-tenue); }
.zona-legal input { margin-top: 2px; width: 17px; height: 17px; accent-color: var(--z-acento); flex: none; }
.zona-legal a { color: var(--z-acento); }

.zona-enviar { width: 100%; margin-top: 4px; }

.zona-exito { padding: 22px; border: 1px solid var(--z-acento); border-radius: var(--z-radio); background: rgba(255, 216, 77, 0.1); color: #fff; font-weight: 600; }

.zona-error { padding: 12px 14px; margin-bottom: 16px; border: 1px solid rgba(255, 138, 128, 0.5); border-radius: 10px; background: rgba(255, 138, 128, 0.12); color: #FFD9D4; font-size: 13.5px; }

.zona-barra-movil { display: none; }

.zona a:focus-visible, .zona button:focus-visible, .zona summary:focus-visible,
.zona input:focus-visible, .zona select:focus-visible, .zona textarea:focus-visible,
.zona-pista input:focus-visible + label {
  outline: 3px solid var(--z-acento);
  outline-offset: 2px;
}

@media (max-width: 900px) {
  .zona-hero-grid, .zona-form-grid { grid-template-columns: minmax(0, 1fr); }
  .zona-paso { grid-template-columns: 52px minmax(0, 1fr); gap: 14px; }
  .zona-barra-movil {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    display: flex;
    gap: 10px;
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
    background: rgba(7, 31, 53, 0.94);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--z-linea);
  }
  .zona-barra-movil .zona-cta { margin: 0; flex: 1; padding: 14px 18px; box-shadow: none; }
  .zona-pie-espacio { height: 76px; }
}

@media (prefers-reduced-motion: reduce) {
  .zona *, .zona *::before, .zona *::after { transition: none !important; }
  .zona-cta:hover { transform: none; }
}