/* ===================== Каталог: страница товара категории ===================== */

.c-white {
  color: #fff;
}

/* breadcrumbs + page title */
.page-head {
  padding: 20px 0 0px;
}
.breadcrumbs {
  font-size: 14px;
  color: var(--text-gray);
  margin-bottom: 18px;
}
.breadcrumbs a {
  color: var(--text-gray);
}
.breadcrumbs a:hover {
  color: var(--orange);
}
.breadcrumbs span {
  margin: 0 4px;
}
.page-head__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 44px;
  text-transform: uppercase;
  color: var(--text);
}

/* product grid (category listing) */
.gravel-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.gravel-grid--slider {
  display: flex;
  overflow-x: auto;
  scroll-behavior: smooth;
  scrollbar-width: none;
}
.gravel-grid--slider::-webkit-scrollbar {
  display: none;
}
.gravel-grid--slider .gravel-card {
  flex: 0 0 calc(25% - 15px);
  min-width: 260px;
  margin-right: 20px;
}
.gravel-grid--slider .gravel-card:last-child {
  margin-right: 0;
}
.gravel-card {
  display: flex;
  flex-direction: column;
}
.gravel-card__link {
  display: block;
  color: inherit;
}
.gravel-card img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  border-radius: 14px;
  margin-bottom: 16px;
}
.gravel-card h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.35;
  min-height: 44px;
  margin-bottom: 12px;
}
.gravel-card__stock {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--orange);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 14px;
}
.gravel-card__prices {
  margin-bottom: 16px;
}
.gravel-card__prices div {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 4px;
}
.gravel-card__prices b {
  font-size: 19px;
  font-weight: 800;
  white-space: nowrap;
}
.gravel-card__prices span {
  font-size: 13px;
  color: var(--text-gray);
}
.gravel-card__actions {
  display: flex;
  gap: 10px;
  margin-top: auto;
}
.btn--gray-outline {
  border: 1.5px solid var(--border);
  color: var(--text);
  background: transparent;
}
.btn--gray-outline:hover {
  border-color: var(--text-gray);
}

/* usage grid (5 items, same card style as home categories) */
.usage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.usage-grid .cat-card img {
  height: 144px;
}

/* seo two-column text block */
.seo-block {
  display: flex;
  gap: 60px;
  flex-wrap: wrap;
}
.seo-block__col {
  flex: 1 1 380px;
}
.seo-block__col h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 24px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.seo-block__col p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}
.seo-block__col--expand .seo__toggle {
  margin-top: 12px;
}

/* certificate banner (ТОП 350) */
.cert-banner .cert-slider__arrow:hover {
  background: #fff;
  border-color: #fff;
  color: var(--orange);
}
.cert-banner {
  background: var(--orange);
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 56px;
  flex-wrap: wrap;
  padding: 24px 56px;
}
.cert-banner__cards {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
}
.cert-banner__card {
  border-radius: 6px;
  width: 280px;
  position: relative;
  transition: transform 0.5s ease, opacity 0.5s ease, width 0.5s ease,
    margin 0.5s ease, z-index 0s 0.25s;
}
.cert-banner__card--main {
  filter: drop-shadow(0 16px 32px rgba(0, 0, 0, 0.2));
  width: 280px;
  z-index: 2;
  opacity: 1;
  margin-left: 0;
  margin-right: 0;
}
.cert-banner__card--prev {
  width: 220px;
  opacity: 0.9;
  z-index: 1;
  filter: drop-shadow(0 12px 22px rgba(0, 0, 0, 0.25));
  margin-right: -60px;
}
.cert-banner__card--next {
  width: 220px;
  opacity: 0.9;
  z-index: 1;
  filter: drop-shadow(0 12px 22px rgba(0, 0, 0, 0.25));
  margin-left: -60px;
}
.cert-banner__text {
  color: #fff;
  flex: 1 1 320px;
}
.cert-banner__text h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 34px;
  text-transform: uppercase;
  margin-bottom: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}
.cert-banner__text h2 span {
  font-weight: 600;
  font-size: 22px;
  text-transform: none;
}
.cert-banner__text p {
  font-size: 15px;
  line-height: 1.6;
  max-width: 480px;
  margin-bottom: 22px;
}
.btn--white-outline {
  border: 1.5px solid #fff;
  background: #fff;
  color: var(--orange);
  font-weight: 600;
}
.btn--white-outline:hover {
  background: transparent;
  color: #fff;
}

/* advantages: bordered list */
.advantage-list {
  border: 1px solid var(--border);
  border-radius: 16px;
}
.advantage-row {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding: 32px;
  border-bottom: 1px solid var(--border);
}
.advantage-row:last-child {
  border-bottom: none;
}
.advantage-row__icon {
  flex: 0 0 auto;
  margin-top: 4px;
  width: 44px;
  height: 44px;
  object-fit: contain;
  object-position: left top;
}
.advantage-row h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 8px;
}
.advantage-row p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-gray);
  max-width: 760px;
}

/* steps */
.steps {
  position: relative;
  color: #fff;
  overflow: hidden;
}
.steps__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.steps__overlay {
  position: absolute;
  inset: 0;
  background: rgba(20, 18, 16, 0.15);
}
.steps__inner {
  position: relative;
  padding: 64px 20px;
}
.steps__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 34px;
}
.step-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 14px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 170px;
}
.step-card__num {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 28px;
  color: var(--orange);
}
.step-card p {
  font-size: 15px;
  line-height: 1.4;
  flex: 1;
}
.step-card .btn {
  align-self: flex-start;
}

/* gallery */
.gallery {
  display: flex;
  align-items: center;
  gap: 18px;
}
.gallery--bleed {
  width: 100%;
  padding: 0 8px;
  box-sizing: border-box;
}
.gallery--bleed .gallery__track {
  padding-left: max(12px, calc((100% - var(--container)) / 2 + 20px));
  padding-right: 20px;
  min-width: 0;
}
.gallery__track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-behavior: smooth;
  scrollbar-width: none;
}
.gallery__track::-webkit-scrollbar {
  display: none;
}
.gallery__track img {
  flex: 0 0 auto;
  width: 380px;
  height: 280px;
  border-radius: 14px;
  object-fit: cover;
}
.gallery__arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}
.gallery__arrow:hover {
  background: var(--orange);
  border-color: var(--orange);
}
.gallery__arrow:hover svg path {
  stroke: #fff;
}

/* ---- responsive ---- */
@media (max-width: 1100px) {
  .gravel-grid,
  .usage-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cert-banner {
    padding: 36px;
  }
  .page-head__title {
    font-size: 32px;
  }
}
@media (max-width: 640px) {
  .gravel-grid,
  .usage-grid,
  .steps__grid {
    grid-template-columns: 1fr;
  }
  .seo-block {
    flex-direction: column;
    gap: 32px;
  }
  .advantage-row {
    flex-direction: column;
    gap: 14px;
    padding: 24px;
  }
  .cert-banner {
    flex-direction: column;
    text-align: center;
  }
  .cert-banner__text p {
    margin-left: auto;
    margin-right: auto;
  }
}