/**
 * GPI transport ribbon — бесшовная лента «Способы транспортировки»
 * Подключать после inner.css / вместе со style_3.
 * --ribbon-shift задаётся в js/tvk-gpi-transport-ribbon.js (ширина одной полосы).
 */
.gpi-transport-ribbon-viewport {
  overflow: hidden;
  width: 100%;
  max-width: 100vw;
  margin-top: clamp(8px, 2vw, 14px);
  border-block: 1px solid var(--bg-border);
  background: var(--bg-surface, #14181d);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent);
}

.gpi-transport-ribbon-track {
  display: flex;
  align-items: center;
  width: max-content;
  gap: 0;
  animation: gpi-transport-ribbon-scroll var(--ribbon-duration, 20s) linear infinite;
  will-change: transform;
  backface-visibility: hidden;
  transform: translate3d(0, 0, 0);
}

.gpi-transport-ribbon-strip {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: 6px;
  padding: 0 6px 0 0;
  box-sizing: border-box;
}

.gpi-transport-ribbon-strip picture,
.gpi-transport-ribbon-strip .tvk-picture {
  display: block;
  flex-shrink: 0;
  margin: 0;
  line-height: 0;
  background: transparent;
}

.gpi-transport-ribbon-strip img {
  display: block;
  flex-shrink: 0;
  height: clamp(120px, 20vw, 200px);
  width: auto !important;
  max-width: min(360px, 82vw);
  object-fit: contain;
  object-position: center;
  border-radius: 6px;
  background: transparent;
  opacity: 1;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.28);
}

.gpi-transport-ribbon-viewport:hover .gpi-transport-ribbon-track {
  animation-play-state: paused;
}

@keyframes gpi-transport-ribbon-scroll {
  from {
    transform: translate3d(0, 0, 0);
  }

  to {
    transform: translate3d(calc(-1 * var(--ribbon-shift, 50%)), 0, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .gpi-transport-ribbon-track {
    animation: none;
    transform: none;
  }

  .gpi-transport-ribbon-viewport {
    overflow-x: auto;
    -webkit-mask-image: none;
    mask-image: none;
    padding-bottom: 8px;
  }
}

@media (max-width: 767px) {
  .gpi-transport-ribbon-viewport {
    overflow: hidden;
    -webkit-mask-image: none;
    mask-image: none;
    padding-bottom: 0;
  }

  .gpi-transport-ribbon-track {
    animation: gpi-transport-ribbon-scroll var(--ribbon-duration, 20s) linear infinite;
  }
}

/* Заголовок блока ленты — по центру на всех страницах */
.gpi-ribbon-section .section-heading,
.product-page .gpi-ribbon-section .section-heading {
  text-align: center !important;
  margin-inline: auto !important;
  margin-bottom: clamp(18px, 4vw, 28px) !important;
  max-width: min(920px, 100%);
  justify-items: center;
}

.gpi-ribbon-section .section-heading .eyebrow,
.product-page .gpi-ribbon-section .section-heading .eyebrow {
  justify-content: center;
}

.gpi-ribbon-section .section-heading .eyebrow::after,
.product-page .gpi-ribbon-section .section-heading .eyebrow::after {
  background: linear-gradient(90deg, transparent, rgba(239, 68, 68, 0.85), transparent);
}

.gpi-ribbon-section .section-heading h2,
.product-page .gpi-ribbon-section .section-heading h2 {
  margin-inline: auto;
  text-align: center !important;
}

.gpi-ribbon-section .section-heading .section-intro,
.product-page .gpi-ribbon-section .section-heading .section-intro {
  margin-inline: auto !important;
  text-align: center !important;
  max-width: 62ch;
}

/* Подчёркивание tvk-heading-sweep — от центра */
.gpi-ribbon-section .section-heading .tvk-heading-sweep::after,
.product-page .gpi-ribbon-section .section-heading .tvk-heading-sweep::after {
  left: 50%;
  right: auto;
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
}

.gpi-ribbon-section .section-heading .tvk-heading-sweep.is-swept::after,
.product-page .gpi-ribbon-section .section-heading .tvk-heading-sweep.is-swept::after {
  transform: translateX(-50%) scaleX(1);
}

.gpi-ribbon-section > .container,
.product-page .gpi-ribbon-section > .container {
  display: flex;
  justify-content: center;
}

/* Единый вид ленты на всех страницах (как ИЗОКОМ-95a) */
.gpi-ribbon-section .gpi-transport-ribbon-strip img,
.product-page .gpi-transport-ribbon-strip img {
  height: clamp(100px, 16vw, 168px);
  max-width: min(320px, 78vw);
}

/* Продуктовые страницы: карусель — последний блок, без декора снизу */
.product-page .gpi-ribbon-section {
  margin-bottom: 0;
  padding-bottom: clamp(40px, 8vh, 72px);
}

.product-page .gpi-ribbon-section::after {
  display: none !important;
  content: none !important;
}

.product-page main > .gpi-ribbon-section:last-child {
  border-bottom: none;
}

/* Декоративные кадры — без alt-текста в потоке при сбое загрузки */
.gpi-transport-ribbon-strip .tvk-picture {
  width: auto;
  max-width: none;
}

.gpi-transport-ribbon-strip .tvk-picture img {
  width: auto !important;
  max-width: min(360px, 82vw);
  height: clamp(120px, 20vw, 200px);
}

.gpi-transport-ribbon-viewport img {
  color: transparent;
  overflow: hidden;
  text-indent: 100%;
  white-space: nowrap;
}