/* Landing de la app Club DH2O (/club/app/).
   Sigue el mundo visual de la app (app-club/DESIGN.md): fondo blanco, el escudo
   como único elemento gráfico, color solo para marca y acciones. Sin degradados.
   La letra es la del sitio: Montserrat (800 en titulares). */

.ca {
  --ca-verde: #008037;
  --ca-verde-oscuro: #005c27;
  --ca-azul: #1986c8;
  --ca-acento: #1eb8d1;
  --ca-texto: #1a1a2e;
  --ca-apoyo: #4b5563;
  --ca-tenue: #6b7280;
  --ca-borde: #e2e8f0;
  --ca-gris: #f6f8f7;
  --ca-display: "Montserrat", "Montserrat Fallback", system-ui, sans-serif;
  color: var(--ca-texto);
}
.ca ::selection { background: rgba(0, 128, 55, 0.18); color: var(--ca-texto); }
.ca a:not(.badge-play) { color: var(--ca-azul); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.ca a:not(.badge-play):hover { color: var(--ca-azul); text-decoration-thickness: 2px; }
.ca a:focus-visible, .ca summary:focus-visible { outline: 2px solid var(--ca-azul); outline-offset: 3px; border-radius: 4px; }
.ca .badge-play { display: inline-block; margin-left: -8px; }
.ca .badge-play img { display: block; }

/* La palabra DH2O: el 2 en azul y como subíndice, igual que en el escudo. */
.ca-marca sub { font-size: 0.62em; bottom: -0.12em; color: var(--ca-azul); }

/* ---------- Portada ---------- */
.ca-portada { background: #fff; padding-bottom: 72px; overflow: hidden; }
.ca-portada-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: center;
  gap: 56px;
}
.ca-titulo {
  font-family: var(--ca-display);
  font-weight: 800;
  font-size: clamp(2rem, 4.4vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--ca-texto);
  margin-bottom: 22px;
  text-wrap: balance;
}
.ca-titulo .ca-marca { color: var(--ca-verde); }
.ca-lead { font-size: 1.15rem; line-height: 1.65; color: var(--ca-apoyo); max-width: 54ch; margin-bottom: 32px; }

.ca-descarga { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.ca-qr {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-left: 28px;
  border-left: 1px solid var(--ca-borde);
}
.ca-qr img { width: 96px; height: 96px; padding: 6px; background: #fff; border: 1px solid var(--ca-borde); border-radius: 12px; }
.ca-qr p { font-size: 0.85rem; line-height: 1.45; color: var(--ca-tenue); max-width: 17ch; margin: 0; }

.ca-ios { margin: 26px 0 0; font-size: 0.92rem; color: var(--ca-tenue); max-width: 58ch; }
.ca-ios .fa-apple { color: var(--ca-texto); margin-right: 4px; }

/* El celular: recreación de la pantalla de entrada de la app. */
.ca-portada-celular { display: flex; justify-content: center; }
.ca-celular {
  position: relative;
  width: 292px;
  aspect-ratio: 9 / 19;
  border-radius: 46px;
  background: #11131f;
  padding: 10px;
  box-shadow: 0 30px 60px -18px rgba(26, 26, 46, 0.35), 0 12px 24px -12px rgba(26, 26, 46, 0.2);
  animation: ca-celular-entra 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.ca-pantalla {
  height: 100%;
  border-radius: 37px;
  background: #fff;
  padding: 14px 22px 18px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  overflow: hidden;
  font-family: "Montserrat", "Montserrat Fallback", sans-serif;
}
.ca-estado { display: flex; justify-content: space-between; font-size: 0.68rem; font-weight: 600; color: var(--ca-texto); padding: 0 6px; }
.ca-estado i { font-size: 0.62rem; margin-left: 2px; }
.ca-placa {
  align-self: center;
  width: 84px;
  height: 84px;
  margin: 34px 0 14px;
  border-radius: 20px;
  border: 1px solid var(--ca-borde);
  display: grid;
  place-items: center;
}
.ca-placa img { width: 46px; height: auto; }
.ca-app-titulo { font-family: var(--ca-display); font-weight: 800; font-size: 1.3rem; text-align: center; color: #000; letter-spacing: -0.01em; }
.ca-app-sub { font-size: 0.7rem; color: var(--ca-tenue); text-align: center; margin: 4px 0 22px; }
.ca-campo-label { font-size: 0.66rem; font-weight: 700; margin-bottom: 5px; }
.ca-campo {
  height: 38px;
  border: 1.5px solid var(--ca-borde);
  border-radius: 11px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  font-size: 0.72rem;
  color: var(--ca-tenue);
  margin-bottom: 12px;
}
.ca-campo-lleno { color: var(--ca-texto); letter-spacing: 0.12em; }
.ca-boton {
  height: 42px;
  margin-top: 6px;
  border-radius: 11px;
  background: var(--ca-verde);
  color: #fff;
  font-family: var(--ca-display);
  font-weight: 800;
  font-size: 0.78rem;
  display: grid;
  place-items: center;
}
.ca-enlace { font-size: 0.66rem; font-weight: 700; color: var(--ca-azul); text-decoration: underline; text-align: center; margin-top: 12px; }
.ca-pie { margin-top: auto; font-size: 0.62rem; text-align: center; color: var(--ca-texto); }
.ca-pie span { font-weight: 700; color: var(--ca-azul); text-decoration: underline; }

/* El único momento animado: llega el recordatorio de la próxima limpieza. */
.ca-aviso-push {
  position: absolute;
  bottom: 70px;
  left: -40px;
  right: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border: 1px solid var(--ca-borde);
  box-shadow: 0 16px 32px -10px rgba(26, 26, 46, 0.28);
  font-family: "Montserrat", "Montserrat Fallback", sans-serif;
  animation: ca-push-llega 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.9s both;
}
.ca-aviso-push img { flex: none; width: 28px; height: 28px; }
.ca-aviso-push strong { display: block; font-size: 0.72rem; color: var(--ca-texto); }
.ca-aviso-push span { display: block; font-size: 0.7rem; line-height: 1.35; color: var(--ca-apoyo); }

@keyframes ca-celular-entra {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: none; }
}
@keyframes ca-push-llega {
  from { opacity: 0; transform: translateY(-18px) scale(0.96); filter: blur(4px); }
  to { opacity: 1; transform: none; filter: none; }
}
@media (prefers-reduced-motion: reduce) {
  .ca-celular, .ca-aviso-push { animation: none; }
}

/* ---------- Secciones ---------- */
.ca-seccion { padding: 88px 0; background: #fff; }
.ca-seccion-gris { background: var(--ca-gris); }
.ca-estrecho { max-width: 820px; }
.ca-h2 {
  font-family: var(--ca-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 2.8vw, 2.3rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--ca-texto);
  margin-bottom: 40px;
}

.ca-funciones {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: 48px;
}
.ca-funciones li { border-top: 1px solid var(--ca-borde); padding: 26px 0 30px; }
.ca-funciones i { font-size: 1.3rem; color: var(--ca-verde); margin-bottom: 14px; display: block; }
.ca-funciones h3 { font-size: 1.08rem; font-weight: 700; color: var(--ca-texto); margin-bottom: 6px; }
.ca-funciones p { font-size: 0.97rem; color: var(--ca-apoyo); margin: 0; max-width: 36ch; }

.ca-pasos {
  list-style: none;
  counter-reset: paso;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 48px;
}
.ca-pasos li { counter-increment: paso; }
.ca-pasos li::before {
  content: counter(paso);
  display: block;
  font-family: var(--ca-display);
  font-weight: 800;
  font-size: 2.6rem;
  line-height: 1;
  color: var(--ca-verde);
  margin-bottom: 18px;
}
.ca-pasos h3 { font-size: 1.08rem; font-weight: 700; color: var(--ca-texto); margin-bottom: 6px; }
.ca-pasos p { font-size: 0.97rem; color: var(--ca-apoyo); margin: 0; max-width: 34ch; }

.ca-faq details { border-top: 1px solid var(--ca-borde); }
.ca-faq details:last-child { border-bottom: 1px solid var(--ca-borde); }
.ca-faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  min-height: 64px;
  padding: 14px 0;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ca-texto);
}
.ca-faq summary::-webkit-details-marker { display: none; }
.ca-faq summary::after {
  content: "";
  flex: none;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--ca-verde);
  border-bottom: 2px solid var(--ca-verde);
  transform: rotate(45deg) translateY(-3px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.ca-faq details[open] summary::after { transform: rotate(-135deg) translateY(-3px); }
.ca-faq details p { color: var(--ca-apoyo); margin: 0 0 22px; max-width: 65ch; }

/* ---------- Cierre ---------- */
.ca-cierre { background: var(--ca-verde); padding: 64px 0; }
.ca-cierre-grid { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 32px; }
.ca-cierre-placa {
  width: 104px;
  height: 104px;
  border-radius: 24px;
  background: #fff;
  display: grid;
  place-items: center;
}
.ca-cierre-placa img { width: 56px; height: auto; }
.ca-cierre h2 {
  font-family: var(--ca-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 6px;
}
.ca-cierre p { color: rgba(255, 255, 255, 0.86); margin: 0; }

/* ---------- Pantallas medianas y celulares ---------- */
@media (max-width: 991.98px) {
  .ca-portada-grid { grid-template-columns: 1fr; gap: 56px; }
  .ca-qr { display: none; }
  .ca-funciones { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ca-pasos { grid-template-columns: 1fr; gap: 32px; }
  .ca-pasos li { display: grid; grid-template-columns: 56px 1fr; column-gap: 8px; }
  .ca-pasos li::before { grid-row: span 2; font-size: 2.2rem; margin: 0; }
}
@media (max-width: 575.98px) {
  .ca-portada { padding-bottom: 56px; }
  .ca-lead { font-size: 1.05rem; }
  .ca-seccion { padding: 64px 0; }
  .ca-h2 { margin-bottom: 28px; }
  .ca-funciones { grid-template-columns: 1fr; }
  .ca-celular { width: 260px; }
  .ca-aviso-push { left: -18px; right: -18px; }
  .ca-cierre-grid { grid-template-columns: auto 1fr; gap: 20px; }
  .ca-cierre-grid > .badge-play { grid-column: 1 / -1; }
  .ca-cierre-placa { width: 80px; height: 80px; border-radius: 20px; }
  .ca-cierre-placa img { width: 44px; }
}