:root {
  --navy: #0C447C; --cielo: #378ADD; --ambar: #F59E0B; --tinta: #101223;
  --fondo: #F8F9FA; --borde: #E5E7EB; --texto: #374151;
  --linea: #2B6FDB; --linea-suave: #DBEAFE; --linea-profundo: #1D4F9F;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; font-size: 16px; line-height: 1.6; color: var(--texto); background: var(--fondo); }
a { color: var(--navy); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--navy); outline-offset: 2px; }
.contenedor { max-width: 960px; margin: 0 auto; padding: 0 20px; }
header.sitio { padding: 20px 0; border-bottom: 1px solid var(--borde); background: #fff; }
header.sitio .contenedor { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
header.sitio img { height: 32px; width: auto; display: block; }
h1 { color: var(--navy); font-size: 28px; line-height: 1.25; margin: 0 0 16px; }
h2 { color: var(--navy); font-size: 22px; margin: 0 0 12px; }
.etiqueta { display: inline-block; color: var(--linea-profundo); background: var(--linea-suave); padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: bold; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 16px; }
.heroe { padding: 48px 0 32px; }
.heroe p { font-size: 18px; max-width: 640px; }
.boton { display: inline-block; background: var(--ambar); color: var(--tinta); font-weight: bold; text-decoration: none; padding: 12px 24px; border-radius: 8px; min-height: 44px; }
.tarjetas { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin: 24px 0 40px; }
.tarjeta { background: var(--linea-suave); color: var(--navy); border-radius: 12px; padding: 20px; }
.tarjeta h3 { margin: 0 0 8px; font-size: 16px; color: var(--navy); }
.tarjeta p { margin: 0; font-size: 14px; color: var(--navy); }
.aviso { background: #fff; border: 1px solid var(--borde); border-left: 4px solid var(--linea); border-radius: 8px; padding: 16px 20px; margin: 24px 0; font-size: 14px; }
footer.sitio { background: var(--tinta); color: #e9e9ed; padding: 28px 0; font-size: 14px; }
footer.sitio a { color: #7fb6ee; }
footer.sitio p { margin: 4px 0; color: #9397ab; }
@media (max-width: 600px) { h1 { font-size: 24px; } .heroe { padding-top: 32px; } }
.formulario { max-width: 440px; margin: 40px auto; background: #fff; border: 1px solid var(--borde); border-radius: 12px; padding: 28px; }
.formulario label { display: block; font-weight: bold; margin-bottom: 6px; color: var(--navy); }
.formulario input[type="email"] { width: 100%; font-size: 16px; padding: 12px; border: 1px solid #9ca3af; border-radius: 8px; margin-bottom: 16px; }
.formulario button, button.boton { cursor: pointer; border: 0; font-size: 16px; font-family: inherit; }
.mensaje { padding: 12px 16px; border-radius: 8px; margin-top: 16px; font-size: 14px; }
.mensaje.exito { background: #D6F5EE; color: #0B6657; }
.mensaje.error { background: #FBE6EA; color: #8E1F3E; }
table.lista { width: 100%; border-collapse: collapse; font-size: 14px; background: #fff; }
table.lista th, table.lista td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--borde); vertical-align: middle; }
table.lista th { color: var(--navy); font-size: 12px; text-transform: uppercase; letter-spacing: 1px; }
.tabla-scroll { overflow-x: auto; }
button.chico { font-size: 13px; padding: 6px 12px; border-radius: 6px; border: 1px solid var(--navy); background: #fff; color: var(--navy); cursor: pointer; min-height: 32px; }
.fila-invitar { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; margin: 16px 0 8px; }
.fila-invitar input { flex: 1 1 260px; font-size: 16px; padding: 12px; border: 1px solid #9ca3af; border-radius: 8px; }
.formulario.ancho { max-width: 640px; }
.formulario input[type="text"], .formulario input[type="url"], .formulario input[type="month"], .formulario select, .formulario textarea {
  width: 100%; font-size: 16px; font-family: inherit; padding: 12px; border: 1px solid #6b7280; border-radius: 8px; margin-bottom: 4px; background: #fff; color: var(--tinta); min-height: 44px;
}
.formulario textarea { resize: vertical; }
.campo { margin-bottom: 18px; }
.campo > label, .etiqueta-grupo { display: block; font-weight: bold; color: var(--navy); margin: 0 0 6px; }
.ayuda { font-size: 13px; color: #4b5563; margin: 0 0 6px; }
.error-campo { color: #8E1F3E; font-size: 14px; margin: 2px 0 0; min-height: 0; }
.error-campo:empty { display: none; }
fieldset.grupo { border: 0; padding: 0; margin: 0 0 18px; }
fieldset.grupo legend { font-weight: bold; color: var(--navy); padding: 0; margin-bottom: 8px; }
label.opcion { display: flex; align-items: flex-start; gap: 8px; min-height: 44px; padding: 8px 4px; font-weight: normal; color: var(--texto); cursor: pointer; }
label.opcion input { margin-top: 4px; width: 20px; height: 20px; flex: none; }
.paso-etiqueta { margin: 0 0 8px; font-size: 12px; font-weight: bold; letter-spacing: 1.5px; text-transform: uppercase; color: var(--linea-profundo); }
progress { width: 100%; height: 8px; accent-color: var(--linea); margin-bottom: 16px; }
.acciones { display: flex; gap: 12px; flex-wrap: wrap; justify-content: flex-end; margin-top: 24px; }
.acciones .boton { margin-left: auto; }
.fila-idioma { display: grid; grid-template-columns: 1fr 1fr auto; gap: 8px; margin-bottom: 8px; align-items: start; }
.contador { text-align: right; }
.tarjeta-estado { background: #fff; border: 1px solid var(--borde); border-left: 4px solid var(--linea); border-radius: 8px; padding: 16px 20px; margin: 16px 0; }
@media (max-width: 600px) { .fila-idioma { grid-template-columns: 1fr; } .acciones .boton { margin-left: 0; width: 100%; } }
.texto-largo { max-width: 720px; padding-top: 32px; padding-bottom: 40px; }
.texto-largo h2 { margin-top: 28px; }
#titulo-paso:focus { outline: none; }

/* Escala de 1 a 5 del cuestionario: cinco botones iguales, cómodos para el pulgar */
.escala { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.formulario .escala label { position: relative; display: flex; align-items: center; justify-content: center; min-height: 48px; margin: 0; border: 1px solid #6b7280; border-radius: 8px; background: #fff; color: var(--navy); font-weight: bold; cursor: pointer; }
.escala input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.formulario .escala label:has(input:checked) { background: var(--linea-profundo); border-color: var(--linea-profundo); color: #fff; }
.formulario .escala label:has(input:focus-visible) { outline: 3px solid var(--navy); outline-offset: 2px; }