/* ==========================================================================
   Promocionales — Inline animated flipbook
   ========================================================================== */

.promo-flipbook-section + .promo-flipbook-section {
  padding-top: 0;
}

.promo-flipbook-section__heading {
  max-width: 1040px;
  margin: 0 auto 1.5rem;
  text-align: center;
}

.promo-flipbook-section {
  position: relative;
  overflow: hidden;
}

.promo-flipbook-section::before,
.promo-flipbook-section::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  opacity: 0.12;
}

.promo-flipbook-section::before {
  top: -15%;
  right: -8%;
  width: 400px;
  height: 400px;
  background: var(--fuchsia);
}

.promo-flipbook-section::after {
  bottom: -20%;
  left: -10%;
  width: 360px;
  height: 360px;
  background: var(--lime);
  opacity: 0.08;
}

.promo-flipbook-wrap {
  position: relative;
  z-index: 1;
  max-width: 1040px;
  margin: 0 auto;
  padding: 1.5rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  box-shadow:
    0 24px 56px rgba(0, 0, 0, 0.38),
    0 0 40px rgba(255, 45, 141, 0.08);
}

.promo-flipbook-wrap::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(255, 45, 141, 0.3), transparent 45%, rgba(212, 225, 87, 0.2));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.promo-flipbook-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.promo-flipbook-counter {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gray-200);
  letter-spacing: 0.04em;
}

.promo-flipbook-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.promo-flipbook-actions .btn {
  white-space: nowrap;
}

.promo-flipbook-nav {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--white);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  transition: border-color var(--transition), color var(--transition), transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.promo-flipbook-nav:hover:not(:disabled) {
  border-color: var(--fuchsia);
  color: var(--fuchsia);
  transform: scale(1.05);
}

.promo-flipbook-nav:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.promo-flipbook-fullscreen {
  width: auto;
  min-width: 44px;
  height: 44px;
  padding: 0 0.75rem;
  gap: 0.4rem;
  border-radius: 999px;
}

.promo-flipbook-fullscreen.is-active {
  border-color: var(--fuchsia);
  color: var(--fuchsia);
}

.promo-flipbook-fs-icon {
  flex-shrink: 0;
}

.promo-flipbook-fs-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

@media (max-width: 480px) {
  .promo-flipbook-fs-label {
    display: none;
  }

  .promo-flipbook-fullscreen {
    width: 44px;
    padding: 0;
    border-radius: 50%;
  }
}

.promo-flipbook-wrap:fullscreen,
.promo-flipbook-wrap:-webkit-full-screen {
  display: flex;
  flex-direction: column;
  max-width: none;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 1.25rem 1.5rem;
  border-radius: 0;
  background: rgba(8, 8, 12, 0.98);
  box-shadow: none;
}

.promo-flipbook-wrap:fullscreen .promo-flipbook-stage,
.promo-flipbook-wrap:-webkit-full-screen .promo-flipbook-stage {
  flex: 1;
  min-height: 0;
}

.promo-flipbook-wrap:fullscreen .promo-flipbook-hint,
.promo-flipbook-wrap:-webkit-full-screen .promo-flipbook-hint {
  flex-shrink: 0;
}

.promo-flipbook-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 460px;
  width: 100%;
}

.promo-flipbook-book {
  width: 100%;
  max-width: 100%;
  display: none;
}

.promo-flipbook-loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  width: min(100%, 360px);
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  text-align: center;
}

.promo-flipbook-loader.is-hidden {
  display: none;
}

.promo-loader__visual {
  position: relative;
  width: 120px;
  height: 100px;
  margin-bottom: 0.5rem;
}

.promo-loader__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(28px);
  opacity: 0.55;
  animation: promoLoaderPulse 2.4s ease-in-out infinite;
}

.promo-loader__glow--fuchsia {
  top: 10%;
  left: 15%;
  width: 70px;
  height: 70px;
  background: var(--fuchsia);
}

.promo-loader__glow--lime {
  bottom: 5%;
  right: 10%;
  width: 56px;
  height: 56px;
  background: var(--lime);
  animation-delay: -1.2s;
}

@keyframes promoLoaderPulse {
  0%, 100% { opacity: 0.35; transform: scale(1); }
  50%      { opacity: 0.7; transform: scale(1.12); }
}

.promo-loader__pages {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 400px;
}

.promo-loader__page {
  position: absolute;
  width: 52px;
  height: 68px;
  border-radius: 4px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04));
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  transform-origin: left center;
  animation: promoPageFlip 1.8s cubic-bezier(0.45, 0, 0.25, 1) infinite;
}

.promo-loader__page:nth-child(1) {
  z-index: 3;
  animation-delay: 0s;
}

.promo-loader__page:nth-child(2) {
  z-index: 2;
  transform: rotateY(-8deg) translateX(4px);
  animation-delay: 0.35s;
  opacity: 0.85;
}

.promo-loader__page:nth-child(3) {
  z-index: 1;
  transform: rotateY(-14deg) translateX(8px);
  animation-delay: 0.7s;
  opacity: 0.65;
}

@keyframes promoPageFlip {
  0%, 100% { transform: rotateY(0deg) translateX(0); }
  40%      { transform: rotateY(-28deg) translateX(-6px); }
  60%      { transform: rotateY(-12deg) translateX(-2px); }
}

.promo-loader__title {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--white);
  margin: 0;
}

.promo-loader__status {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--gray-300);
  min-height: 1.25em;
}

.promo-loader__track {
  position: relative;
  width: 100%;
  height: 6px;
  margin-top: 0.25rem;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 100px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
}

.promo-loader__bar,
.promo-flipbook-progress {
  position: relative;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: var(--gradient-brand);
  box-shadow: 0 0 16px rgba(255, 45, 141, 0.45);
  transition: width 0.45s cubic-bezier(0.22, 1, 0.36, 1);
  overflow: hidden;
}

.promo-loader__bar-shine {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.45) 50%,
    transparent 100%
  );
  animation: promoBarShine 1.6s ease-in-out infinite;
}

@keyframes promoBarShine {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(200%); }
}

.promo-loader__percent,
.promo-flipbook-percent {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
}

.promo-flipbook-loader.is-indeterminate .promo-loader__bar,
.promo-flipbook-loader.is-indeterminate .promo-flipbook-progress {
  width: 35% !important;
  animation: promoBarIndeterminate 1.4s cubic-bezier(0.45, 0, 0.25, 1) infinite;
}

@keyframes promoBarIndeterminate {
  0%   { transform: translateX(-120%); }
  100% { transform: translateX(380%); }
}

.promo-flipbook-book.is-ready {
  display: block;
}

.promo-flipbook-error {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2rem;
  text-align: center;
  color: var(--gray-200);
  font-size: 0.9375rem;
}

.promo-flipbook-error.is-visible {
  display: flex;
}

.promo-flipbook-hint {
  margin-top: 1rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--gray-300);
  letter-spacing: 0.03em;
}

.promo-flipbook-book .stf__parent {
  margin: 0 auto;
  max-width: 100%;
}

.promo-flipbook-book .stf__wrapper {
  max-width: 100%;
}

.promo-flipbook-book .stf__block,
.promo-flipbook-book .stf__item,
.promo-flipbook-page {
  border-radius: 4px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

.promo-flipbook-page img,
.promo-flipbook-page__img,
.promo-flipbook-book .stf__block img,
.promo-flipbook-book .stf__item img,
.promo-flipbook-book .stf__page img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: contain;
  image-rendering: auto;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.promo-flipbook-page[data-page="1"] img,
.promo-flipbook-page[data-page="1"] .promo-flipbook-page__img {
  object-fit: cover;
  object-position: center top;
}

.promo-flipbook-page__img.is-loading {
  min-height: 420px;
  background:
    linear-gradient(110deg, rgba(255, 255, 255, 0.04) 8%, rgba(255, 255, 255, 0.1) 18%, rgba(255, 255, 255, 0.04) 33%);
  background-size: 200% 100%;
  animation: promo-page-shimmer 1.4s linear infinite;
}

@keyframes promo-page-shimmer {
  to { background-position: -200% 0; }
}

@media (max-width: 768px) {
  .promo-flipbook-wrap {
    padding: 1rem;
  }

  .promo-flipbook-stage {
    min-height: 400px;
  }

  .promo-flipbook-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .promo-flipbook-actions {
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .promo-loader__glow,
  .promo-loader__page,
  .promo-loader__bar-shine,
  .promo-flipbook-loader.is-indeterminate .promo-loader__bar,
  .promo-flipbook-loader.is-indeterminate .promo-flipbook-progress {
    animation: none;
  }

  .promo-loader__bar,
  .promo-flipbook-progress {
    transition: none;
  }
}