.marco {
  display: grid;
  grid-template-columns: var(--ancho-lateral) minmax(0, 1fr);
  min-height: 100vh;
  --ancho-lateral: 240px;
  transition: grid-template-columns var(--suave);
}
.marco.colapsado {
  --ancho-lateral: 76px;
}

.lateral {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  background:
    url('../img/isotipo_marca.svg') no-repeat right -96px bottom -24px / 240px auto,
    linear-gradient(180deg, #152137 0%, #1a2a47 100%);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  color: #ffffff;
}
.colapsado .lateral {
  background-image: none, linear-gradient(180deg, #152137 0%, #1a2a47 100%);
}
.lateral-cabecera {
  position: relative;
  padding: 22px 14px 18px 22px;
}
.lateral-marca {
  position: relative;
  display: grid;
  gap: 4px;
  min-width: 0;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}
.lateral-marca .lateral-sede {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}
.lateral-logo {
  display: block;
  height: 42px;
  width: auto;
  transition: opacity var(--suave);
}
.lateral-isotipo {
  position: absolute;
  top: 0;
  left: 0;
  height: 42px;
  width: auto;
  opacity: 0;
  transition: opacity var(--suave);
}
.lateral-sede {
  font-family: var(--titulos);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
}
.lateral-colapsar {
  position: absolute;
  top: 27px;
  right: 14px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.78);
  transition: background-color var(--rapido), color var(--rapido), border-color var(--rapido);
}
.lateral-colapsar:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}
.lateral .navegacion {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 6px 12px;
  overflow-y: auto;
  overflow-x: hidden;
}
.lateral-marcador {
  position: absolute;
  left: 12px;
  right: 12px;
  top: 0;
  height: 0;
  opacity: 0;
  background: var(--teal);
  transition: transform var(--suave), height var(--suave), opacity var(--rapido);
  pointer-events: none;
}
.lateral .navegacion button {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 46px;
  padding: 0 14px;
  border: 0;
  background: none;
  font-family: var(--titulos);
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0;
  text-align: left;
  white-space: nowrap;
  color: rgba(255, 255, 255, 0.78);
  transition: color var(--rapido), transform var(--rapido);
}
.lateral .navegacion button svg {
  flex: none;
  transition: transform var(--rapido);
}
.lateral .navegacion button:hover {
  color: #ffffff;
}
.lateral .navegacion button:hover svg {
  color: var(--teal);
}
.lateral .navegacion button:hover svg {
  transform: translateX(2px);
}
.lateral .navegacion button[aria-current='page'] {
  color: var(--navy-profundo);
  font-weight: 600;
}
.lateral .navegacion button[aria-current='page']:hover {
  color: var(--navy-profundo);
}
.lateral .navegacion button[aria-current='page'] svg,
.lateral .navegacion button[aria-current='page']:hover svg {
  color: var(--navy-profundo);
}
.etiqueta {
  display: inline-block;
  overflow: hidden;
  white-space: nowrap;
  transition: opacity var(--suave), max-width var(--suave);
  max-width: 220px;
}
.lateral-pie {
  display: grid;
  gap: 10px;
  margin-top: auto;
  padding: 16px 14px 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.lateral-empresa {
  width: 100%;
  min-height: 38px;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'><path d='M6 9l6 6 6-6'/></svg>") no-repeat right 10px center;
  padding-right: 28px;
  border-radius: 0;
  font-size: 13px;
  color: #ffffff;
  appearance: none;
  transition: border-color var(--rapido), background-color var(--rapido);
}
.lateral-empresa:hover {
  border-color: #ffffff;
}
.lateral-empresa option {
  color: var(--navy);
  background: #ffffff;
}
.lateral-empresa-fija {
  font-family: var(--titulos);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
}
.lateral-cuenta {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 4px 2px;
}
.lateral-avatar {
  flex: none;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--teal);
  color: var(--navy-profundo);
  font-family: var(--titulos);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.lateral-cuenta b {
  display: block;
  font-family: var(--titulos);
  font-size: 12.5px;
  font-weight: 500;
  color: #ffffff;
}
.lateral-cuenta small {
  display: block;
  font-size: 11.5px;
  color: rgba(255, 255, 255, 0.66);
  white-space: normal;
}
.lateral-salir {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 38px;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  background: transparent;
  font-family: var(--titulos);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #ffffff;
  transition: background-color var(--rapido), color var(--rapido), border-color var(--rapido);
}
.lateral-salir:hover {
  border-color: #ffffff;
  background: #ffffff;
  color: var(--navy-profundo);
}
.colapsado .etiqueta {
  max-width: 0;
  opacity: 0;
}
.colapsado .lateral-cabecera {
  display: grid;
  justify-items: center;
  gap: 10px;
  padding: 18px 12px 14px;
}
.colapsado .lateral-colapsar {
  position: static;
}
.colapsado .lateral-logo {
  opacity: 0;
}
.colapsado .lateral-isotipo {
  opacity: 1;
}
.colapsado .lateral-marca {
  width: 32px;
  height: 42px;
  gap: 0;
}
.colapsado .lateral .navegacion button {
  justify-content: center;
  padding: 0;
  gap: 0;
}
.colapsado .lateral-empresa {
  display: none;
}
.colapsado .lateral-cuenta {
  justify-content: center;
  padding: 0;
}
.colapsado .lateral-salir {
  justify-content: center;
  padding: 0;
}

.principal {
  min-width: 0;
}
.franja {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--filete);
  box-shadow: 0 1px 0 rgba(21, 33, 55, 0.02), 0 8px 20px rgba(21, 33, 55, 0.04);
  color: var(--navy);
}
.franja-contenido {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  min-height: 68px;
  padding: 10px var(--margen);
}
.franja-titulo {
  position: relative;
  padding-bottom: 8px;
  font-family: var(--titulos);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.franja-titulo::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 36px;
  height: 3px;
  background: var(--teal);
}
.franja-titulo span {
  display: block;
  margin-top: 2px;
  font-family: var(--cuerpo);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--tinta-suave);
}
.franja-lado {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--tinta-suave);
}
.franja-lado .campo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  padding: 0 4px 0 12px;
  border: 1px solid var(--filete-fuerte, #d3d9e2);
  background: #ffffff;
  transition: border-color var(--rapido), box-shadow var(--rapido);
}
.franja-lado .campo:hover {
  border-color: var(--navy);
}
.franja-lado .campo:focus-within {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(125, 193, 187, 0.35);
}
.franja-lado .campo > span {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--tinta-suave);
}
.franja-lado select,
.franja-lado input {
  min-height: 38px;
  padding: 0 28px 0 4px;
  border: 0;
  border-radius: 0;
  background: transparent;
  font-family: var(--titulos);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--navy);
  appearance: none;
}
.franja-lado select {
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23193d5c' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'><path d='M6 9l6 6 6-6'/></svg>") no-repeat right 8px center;
}
.franja-lado input {
  padding-right: 8px;
  min-width: 180px;
}
.franja-lado select:focus-visible,
.franja-lado input:focus-visible {
  outline: 0;
}
.franja-lado .boton {
  min-height: 40px;
}

.lienzo {
  padding: 32px var(--margen) 80px;
}

.acceso {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(380px, 0.9fr);
  min-height: 100vh;
}
.acceso-marca {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 44px 56px 56px;
  color: #ffffff;
  background: var(--navy-profundo);
  overflow: hidden;
}
.acceso-marca > * {
  position: relative;
  z-index: 2;
}
.acceso-marca > .acceso-fotos {
  position: absolute;
  z-index: 0;
}
.acceso-fotos {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.acceso-foto {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 1.8s ease-in-out, transform 9s ease-out;
}
.acceso-foto.activa {
  opacity: 1;
  transform: scale(1.1);
}
.acceso-marca::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(21, 33, 55, 0.55) 0%, rgba(21, 33, 55, 0.74) 55%, rgba(21, 33, 55, 0.92) 100%);
}
.acceso-cabecera {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 28px;
}
.marca {
  display: flex;
  align-items: center;
  gap: 16px;
}
.marca img {
  display: block;
  height: 48px;
  width: auto;
}
.acceso-cabecera .marca img {
  height: 60px;
}
.marca-aliado {
  display: block;
  height: 34px;
  width: auto;
  padding-left: 28px;
  border-left: 1px solid rgba(255, 255, 255, 0.35);
}
.acceso-mensaje {
  max-width: 560px;
}
.acceso-mensaje .eyebrow {
  color: var(--teal);
  margin-bottom: 22px;
}
.acceso-mensaje h1 {
  font-size: clamp(34px, 3.4vw, 48px);
  line-height: 1.15;
  color: #ffffff;
}
.acceso-mensaje h1 span {
  color: var(--teal);
}
.acceso-mensaje p {
  max-width: 46ch;
  margin-top: 18px;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.82);
}
.acceso-entrada {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 56px clamp(32px, 6vw, 96px);
  background: #ffffff;
  box-shadow: -24px 0 48px rgba(21, 33, 55, 0.12);
}
.acceso-entrada > p {
  margin-top: 18px;
  color: var(--tinta-suave);
}
.formulario {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}
.cuentas-demo {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--filete);
}
.cuentas-demo h3 {
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.cuentas-demo p {
  margin-top: 6px;
  font-size: 13px;
  color: var(--tinta-suave);
}
.cuentas-demo ul {
  display: grid;
  gap: 6px;
  margin-top: 14px;
}
.cuentas-demo .boton {
  width: 100%;
  justify-content: space-between;
  min-height: 42px;
  border-color: var(--borde);
  text-align: left;
}
.cuentas-demo .boton:hover {
  border-color: var(--navy);
}
.cuentas-demo .boton small {
  font-size: 12px;
  color: var(--tinta-suave);
}

@media (max-width: 960px) {
  :root {
    --margen: 18px;
  }
  .acceso {
    grid-template-columns: 1fr;
  }
  .acceso-marca {
    min-height: 50vh;
    padding: 28px 24px 40px;
    gap: 40px;
  }
}