/* Ingreso: tarjeta partida sobre fondo grafito. Izquierda, la imagen de faena; derecha, el formulario con borde curvo.
   Colores institucionales PTT: rojo #E41F26 solo en acentos (pestaña, botón, foco), grafito y blanco. */
.ingreso {
  --ing-fondo: #1B1C20; --ing-fondo-2: #26272C; --ing-rojo: #E41F26; --ing-rojo-osc: #B5161C;
  min-height: 100vh; min-height: 100dvh; margin: 0; display: grid; place-items: center; padding: 2rem 1rem;
  background:
    radial-gradient(60rem 40rem at 110% -10%, rgba(228, 31, 38, .22), transparent 60%),
    radial-gradient(40rem 30rem at -10% 110%, rgba(228, 31, 38, .10), transparent 60%),
    linear-gradient(160deg, var(--ing-fondo-2), var(--ing-fondo));
  background-color: var(--ing-fondo);
}

.ing-tarjeta {
  width: min(1080px, 100%); min-height: 600px; display: grid; grid-template-columns: 1.15fr 1fr;
  background: var(--solid); border-radius: 1.25rem; overflow: hidden; box-shadow: 0 30px 80px rgba(0, 0, 0, .45);
}

/* ---------- imagen ---------- */
.ing-imagen {
  position: relative; display: flex; flex-direction: column; justify-content: space-between; padding: 2rem 2.25rem;
  color: #fff; isolation: isolate; overflow: hidden; background: #3A2A22;
}
/* sombra arriba (logo) y abajo (texto) sobre las imágenes */
.ing-imagen::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: linear-gradient(180deg, rgba(14, 14, 16, .55) 0%, rgba(14, 14, 16, 0) 28%, rgba(14, 14, 16, 0) 55%, rgba(14, 14, 16, .78) 100%); }
.ing-slides { position: absolute; inset: 0; z-index: -2; }
.ing-slides img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 88% 60%;
  opacity: 0; transform: scale(1.04); transition: opacity 1.2s ease, transform 7s ease-out; }
.ing-slides img.on { opacity: 1; transform: scale(1.1); }
.ing-puntos { position: absolute; right: 7.5rem; bottom: 2.1rem; display: flex; gap: .45rem; }  /* a la izquierda de la curva */
.ing-puntos button { width: .55rem; height: .55rem; padding: 0; border: 0; border-radius: 99px; background: rgba(255, 255, 255, .5); transition: width .25s, background .25s; }
.ing-puntos button.on { width: 1.6rem; background: #fff; }
.ing-puntos button:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
/* el logo va en su placa blanca: sobre el cielo de las imágenes la versión clara se pierde */
.ing-logo { align-self: flex-start; background: #fff; border-radius: .7rem; padding: .45rem .7rem; box-shadow: 0 6px 18px rgba(0, 0, 0, .18); }
.ing-logo img { height: 4rem; width: auto; }
.ing-lema { display: grid; gap: .35rem; max-width: 22rem; }
.ing-lema b { font-size: 2rem; font-weight: 500; letter-spacing: -.02em; line-height: 1.05; }
.ing-lema span { font-size: .95rem; color: rgba(255, 255, 255, .8); }
.ing-lema::before { content: ""; width: 2.5rem; height: 3px; background: var(--ing-rojo); border-radius: 99px; margin-bottom: .5rem; }

/* ---------- panel del formulario ---------- */
.ing-panel { position: relative; display: flex; flex-direction: column; padding: 1.75rem 3rem 1.5rem 3.5rem; background: var(--solid); }
.ing-curva { position: absolute; top: 0; bottom: 0; left: -5.5rem; width: 6rem; height: 100%; fill: var(--solid); pointer-events: none; }
.ing-tabs { display: flex; justify-content: flex-end; gap: 2rem; font-size: .85rem; }
.ing-tabs .on { color: var(--ing-rojo); font-weight: 600; padding-bottom: .4rem; border-bottom: 2px solid var(--ing-rojo); }

.ing-form { margin: auto 0; width: 100%; max-width: 21rem; align-self: center; display: grid; gap: 1.1rem; padding: 2rem 0; }
.ing-form h1 { font-size: 2rem; font-weight: 500; letter-spacing: -.02em; color: var(--ink); }
.ing-sub { color: var(--muted); font-size: .9rem; margin-top: -.75rem; margin-bottom: .5rem; }

.ing-campo { display: grid; gap: .25rem; }
.ing-campo > span:first-child { font-size: .74rem; color: var(--muted); }
.ing-campo input { border: 0; border-bottom: 1.5px solid var(--field-border); background: transparent; padding: .45rem 0; font-size: 1rem; color: var(--ink); outline: none; border-radius: 0; width: 100%; transition: border-color .15s; }
.ing-campo input:focus { border-bottom-color: var(--ing-rojo); }
.ing-campo input::placeholder { color: var(--faint); }
.ing-clave { display: flex; align-items: center; gap: .5rem; }
.ing-clave button { border: 0; background: none; color: var(--muted); font-size: .78rem; padding: .3rem 0; }
.ing-clave button:hover { color: var(--ink); }

.ing-olvido { justify-self: end; border: 0; background: none; padding: 0; font-size: .8rem; color: var(--ing-rojo); margin-top: -.4rem; }
.ing-olvido:hover { text-decoration: underline; text-underline-offset: 3px; }
.ing-ayuda { font-size: .8rem; color: var(--muted); background: var(--chip); border-radius: .75rem; padding: .6rem .8rem; }
.ing-err { font-size: .82rem; color: var(--bad); background: var(--bad-bg); border-radius: .75rem; padding: .6rem .8rem; }

.ing-boton { margin-top: .4rem; border: 0; border-radius: .6rem; padding: .85rem 1rem; font-size: .95rem; font-weight: 600; color: #fff;
  background: linear-gradient(180deg, var(--ing-rojo), var(--ing-rojo-osc)); box-shadow: 0 10px 24px -8px rgba(228, 31, 38, .6); transition: filter .15s, transform .1s; }
.ing-boton:hover { filter: brightness(1.06); }
.ing-boton:active { transform: translateY(1px); }
.ing-boton:disabled { opacity: .6; cursor: progress; }
.ing-boton:focus-visible, .ing-olvido:focus-visible, .ing-clave button:focus-visible { outline: 3px solid color-mix(in srgb, var(--ing-rojo) 60%, #000); outline-offset: 2px; }

.ing-pie { font-size: .72rem; color: var(--faint); text-align: center; }

/* ---------- tablet y teléfono: la imagen pasa a franja superior ---------- */
@media (max-width: 860px) {
  .ing-tarjeta { grid-template-columns: 1fr; min-height: 0; max-width: 30rem; }
  .ing-imagen { min-height: 11rem; padding: 1.25rem 1.5rem; }
  .ing-lema b { font-size: 1.5rem; }
  .ing-logo img { height: 3.2rem; }
  .ing-curva { display: none; }
  .ing-panel { padding: 1.25rem 1.5rem 1.25rem; border-radius: 1.25rem 1.25rem 0 0; margin-top: -1.25rem; }
  .ing-tabs { justify-content: flex-start; }
  .ing-form { padding: 1.25rem 0 1.5rem; max-width: none; }
}
@media (max-width: 480px) {
  .ingreso { padding: 0; place-items: stretch; }
  .ing-tarjeta { border-radius: 0; box-shadow: none; min-height: 100dvh; display: flex; flex-direction: column; }
  .ing-panel { flex: 1; }
}
@media (max-width: 860px) {
  .ing-imagen { min-height: 13rem; }
  .ing-slides img { object-position: 75% 62%; }
  .ing-puntos { right: 1.5rem; top: 1.9rem; bottom: auto; }
}
@media (prefers-reduced-motion: reduce) {
  .ing-boton, .ing-campo input, .ing-puntos button { transition: none; }
  .ing-slides img { transition: opacity .01s; transform: none; }
  .ing-slides img.on { transform: none; }
}