.sample-rail { overflow: hidden; }
.rail-track { display: flex; width: max-content; gap: 0; padding: 0; animation: rail-scroll 30s linear infinite; will-change: transform; }
.rail-half { display: flex; align-items: center; gap: 24px; padding: 17px 12px; white-space: nowrap; font-weight: 900; text-transform: uppercase; font-size: 1.15rem; }
.rail-half i { width: 8px; height: 8px; border-radius: 50%; background: var(--ink); flex: none; }
.sample-rail:hover .rail-track { animation-play-state: paused; }
@keyframes rail-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .rail-track { animation: none; } }

.tech-group { font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; font-weight: 800; margin: 44px 0 14px; color: var(--blue); }
.tech-group:first-child { margin-top: 0; }
.tech-list strong { font-size: 1.5rem; }
.tech-list > div p:empty { display: none; }

.item-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.item-filters button { appearance: none; background: transparent; color: #fff; border: 1px solid #5a5c5f; padding: 9px 14px; font: inherit; font-size: .9rem; cursor: pointer; }
.item-filters button:hover { border-color: #fff; }
.item-filters button.is-active { background: #fff; color: var(--ink); border-color: #fff; }
.item-empty { color: #a8aaa6; }
.item-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; }
.item-card { background: #202225; display: flex; flex-direction: column; }
.item-card[hidden] { display: none; }
.item-media { position: relative; aspect-ratio: 16 / 9; background: #2a2c30; overflow: hidden; }
.item-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.item-badge { position: absolute; left: 12px; top: 12px; background: var(--blue); color: #fff; font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; padding: 5px 9px; }
.item-zoom { position: absolute; inset: 0; padding: 0; border: 0; background: none; cursor: zoom-in; }
.item-zoom:focus-visible, .item-nav:focus-visible { outline: 3px solid var(--blue); outline-offset: -3px; }
.item-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 36px; height: 36px; padding: 0 0 3px; border: 0; border-radius: 50%; background: rgba(17, 17, 17, .62); color: #fff; font-size: 26px; line-height: 1; cursor: pointer; }
.item-nav:hover { background: var(--blue); }
.item-prev { left: 10px; }
.item-next { right: 10px; }
.item-dots { position: absolute; left: 0; right: 0; bottom: 10px; display: flex; justify-content: center; gap: 6px; pointer-events: none; }
.item-dots i { width: 7px; height: 7px; border-radius: 50%; background: rgba(255, 255, 255, .5); box-shadow: 0 0 0 1px rgba(0, 0, 0, .25); }
.item-dots i.is-active { background: #fff; }
.lightbox { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; background: rgba(8, 8, 8, .94); }
.lightbox[hidden] { display: none; }
.lb-img { max-width: 92vw; max-height: 86vh; object-fit: contain; }
.lb-close, .lb-nav { position: absolute; border: 0; background: rgba(255, 255, 255, .12); color: #fff; cursor: pointer; border-radius: 50%; line-height: 1; }
.lb-close { top: 16px; right: 16px; width: 44px; height: 44px; font-size: 30px; }
.lb-nav { top: 50%; transform: translateY(-50%); width: 48px; height: 48px; font-size: 34px; padding-bottom: 4px; }
.lb-prev { left: 16px; }
.lb-next { right: 16px; }
.lb-close:hover, .lb-nav:hover { background: var(--blue); }
.lb-close:focus-visible, .lb-nav:focus-visible { outline: 3px solid #fff; outline-offset: 2px; }
.lb-count { position: absolute; left: 0; right: 0; bottom: 18px; text-align: center; color: #d0d0cc; font-size: .9rem; }
html.lb-open { overflow: hidden; }
@media (max-width: 650px) { .lb-prev { left: 6px; } .lb-next { right: 6px; } .lb-nav { width: 42px; height: 42px; } }
.item-body { padding: 16px 18px 20px; }
.item-cat { font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: #a8aaa6; font-weight: 700; }
.item-body h3 { font-size: 1.2rem; margin: 6px 0 4px; }
.item-body p { margin: 0 0 10px; color: #d0d0cc; font-size: .9rem; }
.item-specs { margin: 10px 0 0; border-top: 1px solid #46484b; }
.item-specs > div { display: flex; justify-content: space-between; gap: 14px; padding: 7px 0; border-bottom: 1px solid #34363a; font-size: .84rem; }
.item-specs dt { color: #a8aaa6; }
.item-specs dd { margin: 0; text-align: right; }

.text-block .text-body { max-width: 760px; margin-left: 226px; font-size: 1.1rem; }
.text-block .text-body p { margin: 0 0 18px; }
@media (max-width: 1000px) { .text-block .text-body { margin-left: 0; } }

.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.cat-tile { background: #202225; display: flex; flex-direction: column; }
.cat-link { position: absolute; inset: 0; display: block; }
.cat-link img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.cat-caption { position: absolute; left: 12px; bottom: 30px; max-width: calc(100% - 24px); background: rgba(17, 17, 17, .72); color: #fff; font-size: .78rem; font-weight: 700; padding: 4px 9px; pointer-events: none; }
.cat-body { display: flex; flex-direction: column; flex: 1; padding: 16px 18px 20px; }
.cat-info { display: block; flex: 1; color: inherit; text-decoration: none; }
.cat-actions { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 6px; }
.cat-pick { appearance: none; background: none; border: 0; padding: 0; font: inherit; font-size: .8rem; font-weight: 800; color: #4d94ff; text-decoration: underline; cursor: pointer; }
.cat-pick:hover, .cat-pick.is-selected { color: #fff; }
.cat-pick:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
.cat-tile.is-empty { background: transparent; border: 1px dashed #5a5c5f; }
.cat-tile.is-empty .cat-body { padding: 22px 20px; justify-content: flex-start; }
.cat-tile.is-empty h3 { margin: 8px 0 6px; }
.cat-tile.is-empty .cat-actions { margin-top: auto; padding-top: 14px; }
.cat-body h3 { font-size: 1.35rem; margin: 6px 0 4px; }
.cat-body p { margin: 0 0 10px; color: #d0d0cc; font-size: .9rem; }
.cat-more { font-size: .8rem; font-weight: 800; text-decoration: underline; }
.cat-more { color: inherit; }
.cat-more:hover { color: #4d94ff; }
.cat-link:focus-visible, .cat-info:focus-visible, .cat-more:focus-visible { outline: 3px solid var(--blue); outline-offset: -3px; }
.back-link { margin: 0 0 28px; }
.back-link a { color: #d0d0cc; text-decoration: underline; font-size: .9rem; }
.section-intro h1 { font-size: clamp(2.7rem, 5vw, 5.6rem); line-height: .88; letter-spacing: -.075em; margin: 0; }
.category-cta { margin-top: 50px; padding-top: 30px; border-top: 1px solid #46484b; display: flex; gap: 24px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.category-cta p { margin: 0; font-size: 1.1rem; max-width: 760px; text-wrap: pretty; }
@media (max-width: 650px) {
  .section-intro h1 { font-size: 3rem; }
  .item-nav { width: 44px; height: 44px; }
  .cat-grid { grid-template-columns: 1fr; }
}

/* Страница категории: спокойная иерархия, без огромных заголовков главной */
.category-page { padding-top: 64px; padding-bottom: 90px; }
.category-page .back-link { margin: 0 0 36px; }
.category-page .section-intro { display: block; margin-bottom: 40px; max-width: 760px; }
.category-page .section-intro .section-number { margin: 0 0 14px; }
.category-page .section-intro h1 { font-size: clamp(2.2rem, 4.2vw, 3.6rem); line-height: 1.02; letter-spacing: -.045em; margin: 0 0 16px; }
.category-page .section-intro > p:last-child { grid-column: auto; margin: 0; font-size: 1.1rem; color: #a8aaa6; }
.category-page .item-grid { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.category-page .item-grid.is-single { grid-template-columns: 1fr; }
.category-page .is-single .item-card { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); max-width: 1100px; }
.category-page .is-single .item-body { padding: 32px 36px; align-self: center; }
.category-page .is-single .item-body h3 { font-size: 1.9rem; margin: 10px 0 8px; }
.category-page .is-single .item-body p { font-size: 1.05rem; }
.category-page .is-single .item-specs > div { font-size: .95rem; }
.category-cta p { font-size: 1.05rem; color: #d0d0cc; }
@media (max-width: 800px) {
  .category-page { padding-top: 40px; padding-bottom: 60px; }
  .category-page .is-single .item-card { grid-template-columns: 1fr; }
  .category-page .is-single .item-body { padding: 18px 20px 22px; }
  .category-page .is-single .item-body h3 { font-size: 1.4rem; }
}