/* ==========================================================================
   Aplicación de Inteligencia Artificial en el marco de la Ley 21.180
   Ilustre Municipalidad de Valparaíso
   Unidad de Transformación Digital · Departamento de Gestión de Personal

   Identidad tomada de MuniDigital (tailwind.config.js + _theme-vars.css).
   Una sola vista: presentación sobre azul institucional a la izquierda,
   formulario en tarjeta blanca a la derecha.
   ========================================================================== */

:root {
  /* Corporativos — tailwind.config.js de MuniDigital */
  --muni-blue: #294589;
  --muni-blue-dark: #1e3a72;
  --muni-blue-darkest: #0b2447;
  --muni-blue-light: #60a5fa;
  --muni-yellow: #ffdc04;

  --body-bg: #ffffff;
  --section-bg: #f1f5f9;

  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #64748b;

  --border-card: #e2e8f0;
  --focus-outline: rgba(41, 69, 137, 0.5);
  --card-blue-bg: #eef2fb;

  --alert-error-bg: #fef2f2;
  --alert-error-border: #ef4444;
  --alert-error-text: #991b1b;

  --alert-info-bg: #fffbeb;
  --alert-info-border: #f59e0b;
  --alert-info-text: #78350f;

  --badge-success-bg: #f0fdf4;
  --badge-success-text: #166534;

  --radio: 8px;
  --trans: 150ms ease;
}

/* --- Reset -------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

/* El JS oculta pasos, botones y avisos con la propiedad `hidden`. Cualquier
   regla de autor que fije `display` le gana al estilo del navegador, así que
   se blinda aquí una sola vez en vez de repetir `.clase[hidden]` en cada una. */
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--muni-blue);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; color: inherit; }

:focus-visible {
  outline: 2px solid var(--focus-outline);
  outline-offset: 2px;
  border-radius: 3px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}

.solo-lectores {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.saltar {
  position: absolute;
  top: -100px; left: 1rem;
  z-index: 50;
  background: var(--muni-yellow);
  color: var(--muni-blue-darkest);
  padding: 0.65rem 1.25rem;
  border-radius: var(--radio);
  font-weight: 600;
  text-decoration: none;
  transition: top var(--trans);
}
.saltar:focus { top: 1rem; }

/* ==========================================================================
   ESTRUCTURA
   ========================================================================== */
.portada {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(1100px 620px at 10% -15%, #3d5ca8 0%, transparent 62%),
    linear-gradient(160deg, var(--muni-blue) 0%, var(--muni-blue-darkest) 100%);
}

.portada__grid {
  flex: 1;
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding: clamp(1.25rem, 2.5vw, 1.75rem) clamp(1rem, 4vw, 2.5rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 520px);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

/* ==========================================================================
   PRESENTACIÓN
   ========================================================================== */
.presentacion { color: #fff; }

.marca {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: clamp(1rem, 2.5vw, 1.25rem);
}

.marca__logo {
  width: clamp(66px, 8vw, 92px);
  height: auto;
  flex-shrink: 0;
}

.marca__texto {
  font-size: 0.8125rem;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.75);
}
.marca__texto strong {
  display: block;
  font-size: 0.9375rem;
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.presentacion__antetitulo {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: var(--muni-yellow);
  margin-bottom: 0.5rem;
}

/* Las tres líneas son un solo nombre y llevan el mismo peso; los saltos están
   puestos a mano en el HTML, por eso no se equilibra el texto aquí. El tamaño
   lo manda la línea más larga, «en el marco de la Ley 21.180». */
.presentacion__titulo {
  font-size: clamp(1.5rem, 0.85rem + 2.05vw, 2.2rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
}

.presentacion__texto {
  display: grid;
  gap: 0.55rem;
  max-width: 54ch;
  margin-bottom: clamp(1rem, 2vw, 1.25rem);
}

.presentacion__texto p {
  font-size: clamp(0.92rem, 0.88rem + 0.2vw, 1rem);
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.85);
  text-wrap: pretty;
}

/* Lo propio de este taller, separado de la bajada institucional. */
.presentacion__cierre {
  padding-top: 0.7rem;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff !important;
  font-weight: 600;
}

.datos {
  display: grid;
  gap: 0.5rem;
  border-left: 3px solid var(--muni-yellow);
  padding-left: 1.15rem;
}

.dato dt {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: rgba(255, 220, 4, 0.9);
  margin-bottom: 0.15rem;
}
.dato dt i { margin-right: 0.4rem; }

.dato dd {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
  color: #fff;
}

.dato__direccion {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.9rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.72);
}

/* ==========================================================================
   TARJETA DEL FORMULARIO
   ========================================================================== */
.tarjeta {
  background: var(--body-bg);
  border-radius: 14px;
  box-shadow: 0 24px 60px rgba(6, 16, 40, 0.32);
  overflow: hidden;
}

.progreso {
  display: flex;
  gap: 0.5rem;
  padding: 1.15rem 1.5rem 1rem;
  background: var(--section-bg);
  border-bottom: 1px solid var(--border-card);
}
.progreso__paso { flex: 1; display: flex; flex-direction: column; gap: 0.5rem; }
.progreso__nombre {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--text-muted);
}
.progreso__paso[data-estado="activo"] .progreso__nombre { color: var(--muni-blue); }
.progreso__paso[data-estado="hecho"] .progreso__nombre { color: var(--badge-success-text); }

.progreso__barra { height: 3px; border-radius: 2px; background: var(--border-card); overflow: hidden; }
.progreso__barra::after {
  content: "";
  display: block;
  height: 100%;
  width: 0;
  background: var(--muni-blue);
  transition: width 300ms ease;
}
.progreso__paso[data-estado="activo"] .progreso__barra::after,
.progreso__paso[data-estado="hecho"] .progreso__barra::after { width: 100%; }
.progreso__paso[data-estado="hecho"] .progreso__barra::after { background: #22c55e; }

/* --- Campos -------------------------------------------------------------- */
.form-cuerpo { padding: 1.5rem; }

.paso[hidden] { display: none; }
.paso__titulo { font-size: 1.35rem; font-weight: 700; margin-bottom: 0.25rem; letter-spacing: -0.01em; }
.paso__sub { font-size: 0.875rem; color: var(--text-secondary); margin-bottom: 1.35rem; }

.campos { display: grid; gap: 1.1rem; }

.campo { display: flex; flex-direction: column; gap: 0.4rem; }
fieldset.campo { border: 0; padding: 0; margin: 0; min-width: 0; }
legend.campo__label { padding: 0; float: left; width: 100%; }
fieldset.campo > .opciones { clear: both; }

.campo__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.campo__opcional { font-size: 0.75rem; font-weight: 400; color: var(--text-muted); }
.campo__ayuda { font-size: 0.75rem; color: var(--text-muted); line-height: 1.5; }

.campo__input {
  width: 100%;
  padding: 0.62rem 0.8rem;
  background: var(--body-bg);
  border: 1px solid var(--border-card);
  border-radius: var(--radio);
  font-size: 0.9375rem;
  transition: border-color var(--trans), box-shadow var(--trans);
}
.campo__input::placeholder { color: #94a3b8; }
.campo__input:focus {
  outline: none;
  border-color: var(--muni-blue);
  box-shadow: 0 0 0 3px rgba(41, 69, 137, 0.12);
}

.campo[data-error="si"] .campo__input { border-color: var(--alert-error-border); }

.campo__error {
  font-size: 0.75rem;
  color: var(--alert-error-text);
  font-weight: 500;
  display: none;
  align-items: center;
  gap: 0.35rem;
}
.campo[data-error="si"] .campo__error { display: flex; }

/* --- Opciones ------------------------------------------------------------ */
.opciones { display: grid; gap: 0.45rem; }
.opciones--fila { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }

.opcion {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.6rem 0.8rem;
  background: var(--body-bg);
  border: 1px solid var(--border-card);
  border-radius: var(--radio);
  cursor: pointer;
  transition: border-color var(--trans), background var(--trans);
}
.opcion:hover { border-color: var(--muni-blue-light); background: var(--section-bg); }

.opcion input { position: absolute; opacity: 0; width: 0; height: 0; }

.opcion__marca {
  flex-shrink: 0;
  width: 18px; height: 18px;
  margin-top: 1px;
  border: 1.5px solid #94a3b8;
  background: #fff;
  display: grid;
  place-items: center;
  transition: background var(--trans), border-color var(--trans);
}
.opcion--radio .opcion__marca { border-radius: 50%; }
.opcion--check .opcion__marca { border-radius: 3px; }

.opcion__marca::after { content: ""; opacity: 0; }
.opcion--radio .opcion__marca::after { width: 8px; height: 8px; border-radius: 50%; background: #fff; }
.opcion--check .opcion__marca::after {
  width: 10px; height: 5px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg) translate(1px, -1px);
}

.opcion input:checked ~ .opcion__marca { background: var(--muni-blue); border-color: var(--muni-blue); }
.opcion input:checked ~ .opcion__marca::after { opacity: 1; }

.opcion:has(input:checked) { border-color: var(--muni-blue); background: var(--card-blue-bg); }
.opcion:has(input:focus-visible) { outline: 2px solid var(--focus-outline); outline-offset: 2px; }

.opcion__texto { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.opcion__titulo { font-size: 0.875rem; font-weight: 600; color: var(--text-primary); line-height: 1.35; }
.opcion__nota { font-size: 0.75rem; color: var(--text-muted); line-height: 1.5; }

.campo[data-error="si"] .opcion { border-color: #f0b4b4; }

/* --- Navegación y avisos -------------------------------------------------- */
.form-nav {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-card);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--radio);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--trans), color var(--trans), border-color var(--trans);
  white-space: nowrap;
  flex: 1;
}
.btn--azul { background: var(--muni-blue); color: #fff; }
.btn--azul:hover:not(:disabled) { background: var(--muni-blue-dark); }
.btn--gris { background: transparent; color: var(--text-secondary); border-color: var(--border-card); flex: 0 0 auto; }
.btn--gris:hover:not(:disabled) { background: var(--section-bg); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.trampa {
  position: absolute !important;
  left: -9999px !important;
  opacity: 0 !important;
  height: 0 !important;
  width: 0 !important;
  pointer-events: none;
}

.aviso {
  display: flex;
  gap: 0.65rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radio);
  font-size: 0.875rem;
  line-height: 1.55;
  margin-bottom: 1.25rem;
}
.aviso--error {
  background: var(--alert-error-bg);
  border: 1px solid var(--alert-error-border);
  color: var(--alert-error-text);
}
.aviso--info {
  background: var(--alert-info-bg);
  border: 1px solid var(--alert-info-border);
  color: var(--alert-info-text);
  text-align: left;
  margin: 1.5rem 0 0;
}

/* --- Éxito ---------------------------------------------------------------- */
.exito { text-align: center; padding: 2.5rem 1.5rem; }
.exito__icono {
  width: 64px; height: 64px;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  background: var(--badge-success-bg);
  color: var(--badge-success-text);
  display: grid;
  place-items: center;
  font-size: 1.75rem;
}
.exito__titulo { font-size: 1.35rem; font-weight: 700; margin-bottom: 0.65rem; }
.exito__texto {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.65;
  max-width: 48ch;
  margin: 0 auto;
}
.exito__resumen {
  margin-top: 1.5rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--border-card);
  text-align: left;
  font-size: 0.875rem;
}
.exito__resumen dt {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-weight: 700;
}
.exito__resumen dd { margin: 0.15rem 0 0; font-weight: 600; color: var(--text-primary); word-break: break-word; }

/* ==========================================================================
   PIE
   ========================================================================== */
.pie {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding: 1.1rem clamp(1rem, 4vw, 2.5rem);
  max-width: 1200px;
  margin-inline: auto;
  width: 100%;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
}
.pie a { color: var(--muni-yellow); text-decoration: none; }
.pie a:hover { text-decoration: underline; }

/* ==========================================================================
   PANTALLAS ANGOSTAS
   ========================================================================== */
@media (max-width: 940px) {
  .portada__grid { grid-template-columns: 1fr; align-items: start; }
  .presentacion__bajada { max-width: none; }
}

@media (max-width: 520px) {
  .form-cuerpo { padding: 1.25rem 1rem; }
  .progreso { padding: 1rem; }
  .progreso__nombre { font-size: 0.6rem; letter-spacing: 0.02em; }
  .form-nav { flex-direction: column-reverse; }
  .btn--gris { flex: 1; }
}