/* /tienda/<id> · Portal de pagos en línea del Instituto Universitario de Alta Formación (IUAF)
   Diseño editorial ciruela/lavanda acorde a DESIGN.md y web/nuevo/. */

/* ===== Cabecera Hero ===== */
.tienda-page .page-hero {
  background: var(--navy) url('../img/banners/pagos-fondo-escritorio.svg?v=1') center / cover no-repeat;
  color: #fff;
  padding-top: 36px;
  padding-bottom: clamp(48px, 6vw, 72px);
  position: relative;
  overflow: hidden;
}

.tienda-page .page-hero .container {
  position: relative;
  z-index: 1;
}

.tienda-hero-copy {
  max-width: 820px;
}

.tienda-page .page-hero h1 {
  font: 500 clamp(38px, 4.5vw, 64px)/1.08 "Playfair Display", Georgia, serif;
  letter-spacing: -0.03em;
  margin: 18px 0 20px;
  color: #fff;
  text-wrap: balance;
}

.tienda-page .page-hero h1 em {
  font-style: normal;
  color: var(--accent-light);
}

.tienda-hero-lead {
  font-size: clamp(16px, 1.3vw, 18px);
  line-height: 1.7;
  color: #e0d8e8;
  max-width: 66ch;
  margin: 0 0 28px;
  text-wrap: pretty;
}

/* Franja de garantías en Hero */
.tienda-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  align-items: center;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.tienda-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: #cfc4d9;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.tienda-badge svg {
  flex-shrink: 0;
  color: var(--accent-light);
}

/* ===== Barra de Filtros y Búsqueda ===== */
.pay-filter-section {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
  position: sticky;
  top: var(--pay-header-height, 106px);
  z-index: 20;
  box-shadow: 0 4px 18px rgba(41, 34, 54, 0.04);
  transition: box-shadow 0.2s ease;
}

.pay-filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.pay-tabs {
  display: flex;
  flex-wrap: wrap;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  align-items: center;
  gap: 8px;
  overflow-x: visible;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.pay-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 30px;
  border: 1px solid var(--line);
  background: var(--cream);
  color: var(--navy);
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.2s ease;
}

.pay-tab:hover {
  background: #ede8f2;
  border-color: #d1c6db;
  color: var(--navy);
}

.pay-tab.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
  box-shadow: 0 2px 8px rgba(41, 34, 54, 0.2);
}

.pay-tab-badge {
  display: inline-block;
  padding: 2px 7px;
  font-size: 11px;
  border-radius: 12px;
  background: rgba(115, 82, 134, 0.15);
  color: var(--accent);
}

.pay-tab.is-active .pay-tab-badge {
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
}

/* Buscador */
.pay-search-box {
  position: relative;
  min-width: 260px;
  max-width: 340px;
  flex-grow: 1;
}

.pay-search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}

.pay-search-input {
  width: 100%;
  height: 42px;
  padding: 8px 36px 8px 38px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fff;
  color: var(--ink);
  font: 400 14px/1.4 "Source Sans 3", sans-serif;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.pay-search-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(115, 82, 134, 0.18);
}

.pay-search-clear {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 4px;
  display: none;
}

.pay-search-clear.is-active {
  display: block;
}

/* Resumen del catálogo */
.pay-catalog-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 32px 0 24px;
  color: var(--muted);
  font-size: 14px;
}

.pay-catalog-summary strong {
  color: var(--navy);
  font-weight: 700;
}

/* ===== Cuadrícula del Catálogo ===== */
.pay-section {
  padding: 10px 0 clamp(64px, 7vw, 96px);
  background: #fff;
}

.pay-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
}

/* Tarjeta de Producto */
.pay-card {
  min-width: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease;
  position: relative;
}

.pay-card:hover {
  border-color: #d1c6db;
}

.pay-card-media {
  position: relative;
  width: 100%;
  background: #f7f4f9;
  border-bottom: 1px solid var(--line);
  aspect-ratio: 4 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-sizing: border-box;
}

.pay-card-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}

/* Imágenes 3:2 (logo y nombre del producto dentro de la foto): llenan la cabecera de la tarjeta. */
.pay-card-media--amplia {
  aspect-ratio: 3 / 2;
}

.pay-card-media--amplia .pay-card-img {
  object-fit: cover;
}

.pay-card-media-fallback {
  width: 100%;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--navy);
  text-align: center;
  background: var(--cream);
  border-radius: 6px;
}

.pay-card-media-fallback span {
  font: 500 20px/1.2 "Playfair Display", Georgia, serif;
  color: var(--accent);
  margin-top: 6px;
}

/* Etiquetas en el cuerpo de la tarjeta */
.pay-card-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 14px;
}

.pay-pill-category {
  background: var(--cream);
  color: var(--navy);
  border: 1px solid #dcd4e2;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 4px;
}

.pay-pill-feature {
  background: rgba(115, 82, 134, 0.12);
  color: var(--accent);
  border: 1px solid rgba(115, 82, 134, 0.25);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
}
/* Contenido de la Tarjeta */
.pay-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.pay-card-title {
  font: 500 22px/1.25 "Playfair Display", Georgia, serif;
  color: var(--navy);
  margin: 0 0 10px;
  letter-spacing: -0.015em;
  overflow-wrap: anywhere;
}

.pay-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 12px;
}

.pay-card-desc {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0 0 20px;
  flex-grow: 0;
  text-wrap: pretty;
}

/* Pie de la tarjeta con precio y CTA */
.pay-card-footer {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  margin-top: auto;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 16px;
}

.pay-price-group {
  display: flex;
  flex-direction: column;
}

.pay-price-label {
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 2px;
}

.pay-price-amount {
  font: 600 30px/1.2 "Source Sans 3", sans-serif;
  color: var(--navy);
  font-variant-numeric: lining-nums tabular-nums;
  letter-spacing: -0.02em;
}

.pay-price-currency {
  font-family: "Source Sans 3", sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  margin-left: 2px;
}

/* Botón de pago */
.pay-btn {
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  border: none;
  transition: all 0.2s ease;
  text-align: center;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  align-self: flex-start;
  width: auto;
  min-height: 42px;
}

.pay-btn:disabled { opacity: .6; cursor: default; }

.pay-btn:focus-visible {
  outline: 3px solid var(--accent-light);
  outline-offset: 2px;
}

.pay-btn.is-loading {
  pointer-events: none;
  opacity: 0.85;
}

.pay-btn-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: pay-spin 0.6s linear infinite;
  margin-right: 8px;
  vertical-align: -2px;
}

@keyframes pay-spin {
  to { transform: rotate(360deg); }
}

/* Estado Vacío (Búsqueda sin resultados) */
.pay-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 64px 20px;
  background: var(--cream);
  border: 1px dashed var(--line);
  border-radius: 12px;
}

.pay-empty svg {
  color: var(--muted);
  margin-bottom: 16px;
}

.pay-empty h3 {
  font: 500 24px/1.3 "Playfair Display", Georgia, serif;
  color: var(--navy);
  margin: 0 0 8px;
}

.pay-empty p {
  color: var(--muted);
  font-size: 15px;
  margin: 0 0 20px;
}

/* ===== Franja Informativa de Confianza y Garantías ===== */
.pay-guarantee-section {
  background: var(--cream);
  border-top: 1px solid var(--line);
  padding: clamp(60px, 7vw, 90px) 0;
}

.pay-guarantee-heading {
  max-width: 720px;
  margin-bottom: 44px;
}

.pay-guarantee-heading h2 {
  font: 500 clamp(28px, 3.2vw, 38px)/1.2 "Playfair Display", Georgia, serif;
  color: var(--navy);
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}

.pay-guarantee-heading p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
  margin: 0;
}

.pay-guarantee-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.pay-guarantee-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 32px 28px;
  box-shadow: 0 4px 16px rgba(41, 34, 54, 0.03);
  display: flex;
  flex-direction: column;
}

.pay-guarantee-icon {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: rgba(115, 82, 134, 0.12);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.pay-guarantee-card h3 {
  font: 500 20px/1.3 "Playfair Display", Georgia, serif;
  color: var(--navy);
  margin: 0 0 12px;
}

.pay-guarantee-card p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.65;
  margin: 0;
}

/* ===== Sección de Soporte y Transferencia SPEI ===== */
.pay-support-section {
  padding: clamp(56px, 6vw, 84px) 0;
  background: #fff;
}

.pay-support-box {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
  background: var(--navy);
  color: #fff;
  border-radius: 16px;
  padding: clamp(36px, 5vw, 56px);
  position: relative;
  overflow: hidden;
}

.pay-support-box::before {
  content: "";
  position: absolute;
  bottom: -40%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(222, 206, 232, 0.12) 0%, rgba(41, 34, 54, 0) 70%);
  pointer-events: none;
}

.pay-support-copy h2 {
  font: 500 clamp(28px, 3vw, 36px)/1.2 "Playfair Display", Georgia, serif;
  color: #fff;
  margin: 0 0 14px;
  letter-spacing: -0.02em;
}

.pay-support-copy p {
  color: #e0d8e8;
  font-size: 16px;
  line-height: 1.7;
  max-width: 48ch;
  margin: 0 0 24px;
}

.pay-support-channels {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pay-channel-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  transition: color 0.2s ease;
}

.pay-channel-link svg {
  color: var(--accent-light);
  flex-shrink: 0;
}

.pay-channel-link:hover {
  color: var(--accent-light);
}

.pay-transfer-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 12px;
  padding: 26px;
}

.pay-transfer-card h3 {
  font: 600 17px/1.3 "Source Sans 3", sans-serif;
  color: var(--accent-light);
  margin: 0 0 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pay-transfer-card p {
  color: #d8cedf;
  font-size: 14px;
  line-height: 1.6;
  margin: 0 0 16px;
}

.pay-transfer-card .btn {
  width: 100%;
}

/* Aviso Legal de Privacidad */
.pay-legal-note {
  margin-top: 36px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}

.pay-legal-note a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.pay-legal-note a:hover {
  color: var(--accent-hover);
}

/* ===== Toast de Notificaciones ===== */
.pay-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--navy);
  color: #fff;
  padding: 12px 24px;
  border-radius: 8px;
  box-shadow: 0 12px 32px rgba(41, 34, 54, 0.28);
  font-size: 14.5px;
  font-weight: 600;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  max-width: 90vw;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.pay-toast.is-visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.pay-toast.pay-toast-error {
  background: #2d131a;
  border-color: #a3233a;
  color: #ffccd4;
}

.pay-toast.pay-toast-success {
  background: #12281d;
  border-color: #1f7a4d;
  color: #bbf7d0;
}

/* ===== Responsividad ===== */
@media (max-width: 980px) {
  .pay-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pay-filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .pay-search-box {
    max-width: 100%;
  }

  .pay-guarantee-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .pay-support-box {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 680px) {
  .pay-grid {
    grid-template-columns: 1fr;
  }

  .pay-card-footer {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }

  .pay-price-group {
    flex-direction: column;
    align-items: flex-start;
  }

  .pay-filter-section {
    position: static;
    top: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pay-card,
  .pay-card-img,
  .pay-btn,
  .pay-tab,
  .pay-toast {
    transition: none !important;
    transform: none !important;
  }
  .pay-btn-spinner {
    animation-duration: 1.5s;
  }
}