/* DS-PI v1.1: banda marina con degradé de portada, tarjeta blanca de 12 px sobre niebla, Lato. */
:root {
  --navy-900: #001f5f;
  --navy-600: #033085;
  --navy-500: #223a89;
  --navy-700: #032972;
  --navy-300: #5b6baa;
  --navy-100: #cfd9e0;
  --niebla: #ecedee;
  --blanco: #ffffff;
  --papel: #f5f3f5;
  --gris-300: #d5d8dc;
  --gris-500: #6f7680;
  --pastel: #b2d9fb;
  --coral: #f07b55;
  --menta: #6cefb3;
  --error: #a8452a;
  --cielo: #40aef5;
  --fuente: "Lato", system-ui, -apple-system, "Segoe UI", sans-serif;
  --radio: 12px;
  --radio-campo: 8px;
  --sombra: 0 1px 2px rgba(0,31,95,.06), 0 8px 24px rgba(0,31,95,.06);
  --foco: 0 0 0 3px rgba(64,174,245,.45);
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--niebla);
  color: var(--navy-600);
  font-family: var(--fuente);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.45;
}
img { max-width: 100%; }
[hidden] { display: none !important; }

.hero {
  background: linear-gradient(115deg, #001F5F 0%, #223A89 48%, #2CC5C0 100%);
  color: var(--blanco);
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  padding-block: calc(28px + env(safe-area-inset-top, 0px)) 88px;
}
.hero-in { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.logo { width: 44px; height: auto; display: block; margin-bottom: 8px; }
.eyebrow { margin: 0; font-weight: 700; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--navy-100); }
h1 { margin: 0; font-weight: 900; font-size: clamp(28px, 6vw, 42px); line-height: 1.1; letter-spacing: -.01em; text-wrap: balance; }
.lead { margin: 0; font-size: 18px; max-width: 58ch; }
.pasos { list-style: none; margin: 10px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.pasos li { display: flex; gap: 10px; align-items: flex-start; background: rgba(255,255,255,.10); border-radius: var(--radio); padding: 12px 14px; font-size: 14px; }
.pasos b { font-weight: 900; font-size: 18px; line-height: 1.1; color: var(--menta); }

.contenido {
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  margin-top: -56px;
}
.tarjeta {
  max-width: 760px; margin: 0 auto; background: var(--blanco); border-radius: var(--radio); box-shadow: var(--sombra);
  padding: 32px clamp(20px, 5vw, 40px) 36px;
}
.tarjeta h2 { margin: 0; font-weight: 900; font-size: 24px; color: var(--navy-500); text-transform: uppercase; letter-spacing: -.01em; }
.ayuda { margin: 6px 0 0; color: var(--gris-500); font-size: 14px; }

form { display: flex; flex-direction: column; gap: 28px; margin-top: 24px; }
.grupo { border: 0; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 16px; min-width: 0; }
legend { padding: 0; margin-bottom: 4px; font-weight: 700; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--navy-300); }
.fila { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.campo { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
label, .etiqueta { font-weight: 700; font-size: 14px; color: var(--navy-500); }
.opcional { font-weight: 300; color: var(--gris-500); }
input[type="text"], input[type="email"], input[type="url"], select {
  width: 100%; font: inherit; font-weight: 400; font-size: 16px; color: var(--navy-600);
  background: var(--blanco); border: 1px solid var(--gris-300); border-radius: var(--radio-campo);
  padding: 11px 12px; min-height: 46px;
  transition: border-color 120ms cubic-bezier(.4,0,.2,1), box-shadow 120ms cubic-bezier(.4,0,.2,1);
}
select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23223a89' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
input:focus-visible, select:focus-visible { outline: none; border-color: var(--cielo); box-shadow: var(--foco); }
.invalido input, .invalido select { border-color: var(--error); }
.nota { margin: 0; font-size: 13px; color: var(--gris-500); }
.error { margin: 0; font-size: 13px; font-weight: 400; color: var(--error); min-height: 0; }
.error:empty { display: none; }

.opciones { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.opcion { position: relative; display: flex; gap: 12px; align-items: flex-start; background: var(--papel); border-radius: var(--radio); padding: 14px 16px; cursor: pointer; font-weight: 400; border: 2px solid transparent; transition: border-color 120ms cubic-bezier(.4,0,.2,1), background 120ms cubic-bezier(.4,0,.2,1); }
.opcion:hover { background: #ebe8eb; }
.opcion input { margin: 3px 0 0; width: 18px; height: 18px; accent-color: var(--navy-500); flex: none; }
.opcion span { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.opcion b { font-weight: 700; color: var(--navy-500); font-size: 15px; }
.opcion small { font-weight: 300; font-size: 13px; color: var(--navy-600); }
.opcion:has(input:checked) { border-color: var(--navy-500); background: var(--blanco); }
.opcion:has(input:focus-visible) { box-shadow: var(--foco); }

.consentimiento { display: flex; flex-direction: column; gap: 6px; }
.check { display: flex; gap: 12px; align-items: flex-start; font-weight: 400; font-size: 15px; color: var(--navy-600); cursor: pointer; }
.check input { width: 20px; height: 20px; margin: 1px 0 0; accent-color: var(--navy-500); flex: none; }
.enlace { font-weight: 700; color: var(--navy-500); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.enlace:focus-visible { outline: none; box-shadow: var(--foco); border-radius: 4px; }

.verificacion { display: flex; flex-direction: column; gap: 6px; min-height: 65px; }
.alerta { background: #fbe6de; color: #6e2a17; border-radius: var(--radio-campo); padding: 12px 14px; font-size: 14px; font-weight: 400; }

.boton {
  align-self: flex-start; font: inherit; font-weight: 700; font-size: 16px; color: var(--blanco); background: var(--navy-500);
  border: 0; border-radius: 999px; padding: 14px 30px; min-height: 50px; cursor: pointer;
  transition: background 200ms cubic-bezier(.4,0,.2,1);
}
.boton:hover { background: var(--navy-700); }
.boton:active { background: var(--navy-900); }
.boton:focus-visible { outline: none; box-shadow: var(--foco); }
.boton:disabled { opacity: .4; cursor: default; }

.confirmacion { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.confirmacion .icono { width: 52px; height: 52px; color: var(--navy-500); }
.confirmacion h2 { text-transform: none; font-size: 28px; }
.lead-oscuro { margin: 0; font-size: 18px; max-width: 56ch; }

.pie {
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  padding-block: 28px calc(28px + env(safe-area-inset-bottom, 0px));
  text-align: center; font-size: 13px; color: var(--gris-500);
}
.pie p { margin: 0; }

dialog {
  width: min(680px, calc(100% - 32px)); max-height: min(80vh, 720px); border: 0; border-radius: var(--radio);
  padding: 0; box-shadow: 0 2px 4px rgba(0,31,95,.08), 0 18px 40px rgba(0,31,95,.10); color: var(--navy-600);
}
dialog::backdrop { background: rgba(0,31,95,.55); }
.aviso-cabeza { position: sticky; top: 0; background: var(--blanco); display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 18px 22px 12px; }
.aviso-cabeza h2 { margin: 0; font-weight: 900; font-size: 18px; color: var(--navy-500); }
.cerrar { font: inherit; font-weight: 700; font-size: 14px; color: var(--navy-500); background: var(--papel); border: 0; border-radius: 999px; padding: 8px 16px; cursor: pointer; }
.cerrar:focus-visible { outline: none; box-shadow: var(--foco); }
.aviso-cuerpo { padding: 0 22px 22px; display: flex; flex-direction: column; gap: 10px; font-size: 15px; }
.aviso-cuerpo p { margin: 0; }
.aviso-cuerpo .borrador { align-self: flex-start; background: var(--coral); color: var(--navy-900); font-weight: 700; font-size: 12px; border-radius: 999px; padding: 5px 12px; }

@media (max-width: 640px) {
  .hero { padding-bottom: 76px; }
  .lead { font-size: 16px; }
  .pasos { grid-template-columns: 1fr; }
  .fila, .opciones { grid-template-columns: 1fr; }
  .boton { align-self: stretch; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}