/* Шоу-кейс блока «Участники выставки, партнёры и СМИ»: три способа показать логотипы */

body.partners-lab .labbar__nav a,
body.partners-lab .labfoot a:focus-visible { border-radius: 0; }

.pt-wrap { padding-bottom: clamp(56px, 6.4vw, 96px); }

/* — заголовок и лид — */

.pt-head {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(0, 3.55fr);
  gap: clamp(36px, 4.8vw, 92px);
  align-items: start;
  padding-top: clamp(48px, 6vw, 92px);
}

.pt-title {
  margin: 0;
  font-family: var(--heading);
  font-weight: 400;
  font-size: clamp(30px, 3.4vw, 48px);
  line-height: 1;
  letter-spacing: -.014em;
  color: var(--ink);
}

.pt-title__first { color: var(--violet); }

.pt-lead {
  margin: 4px 0 0;
  max-width: 40ch;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.6;
  color: var(--ink-soft);
  text-wrap: pretty;
}

.pt-stage { margin-top: clamp(42px, 4.6vw, 66px); }

.pt-stage img {
  display: block;
  height: var(--h);
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

/* — 01 сетка — */

.pt-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--hairline);
  border-left: 1px solid var(--hairline);
}

.pt-grid__item {
  display: grid;
  place-items: center;
  min-height: clamp(112px, 10.4vw, 156px);
  padding: clamp(18px, 1.8vw, 26px);
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  transition: background-color .3s ease;
}

.pt-grid__item:hover { background: rgba(255, 255, 255, .46); }

.pt-grid__item--wide {
  grid-column: span 2;
  padding-block: 7px;
}

.pt-grid__item--wide img { height: clamp(var(--h), 8.3vw, 120px); }

/* — 02 стена — */

.pt-wall { display: block; }

.pt-wall__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(20px, 2.4vw, 40px);
}

.pt-wall__row + .pt-wall__row { margin-top: clamp(30px, 3.4vw, 54px); }

.pt-wall__item {
  display: flex;
  align-items: center;
  min-width: 0;
}

.pt-wall img { height: calc(var(--h) * 1.45); }

/* — 03 подписи — */

.pt-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  column-gap: clamp(28px, 3vw, 54px);
  row-gap: clamp(30px, 3.2vw, 48px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.pt-card {
  min-width: 0;
  padding-top: clamp(14px, 1.4vw, 20px);
  border-top: 1px solid var(--hairline);
}

.pt-card__logo {
  display: flex;
  align-items: center;
  height: clamp(58px, 5.6vw, 76px);
}

.pt-card img {
  height: calc(var(--h) * .82);
  max-height: 100%;
}

.pt-card__name {
  display: block;
  margin-top: 14px;
  overflow: hidden;
  font-size: 9.5px;
  line-height: 1.4;
  letter-spacing: .12em;
  text-transform: uppercase;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: var(--ink-soft);
  transition: color .25s ease;
}

.pt-card:hover .pt-card__name { color: var(--ink); }

/* — обложка шоу-кейса — */

.pt-index .concepts__link:hover .concepts__num { color: var(--violet); }

@media (max-width: 1200px) {
  .pt-wall img { height: calc(var(--h) * 1.25); }
}

@media (max-width: 1100px) {
  .pt-head {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

  .pt-lead { max-width: 52ch; }
}

@media (max-width: 1024px) {
  .pt-wall img { height: calc(var(--h) * 1.08); }
}

@media (max-width: 900px) {
  .pt-grid,
  .pt-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .pt-grid__item { min-height: clamp(108px, 16vw, 150px); }

  .pt-wall__row { gap: clamp(12px, 1.6vw, 24px); }

  .pt-wall img { height: calc(var(--h) * 1); }
}

@media (max-width: 730px) {
  .pt-wall {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: center;
    justify-items: center;
    gap: 28px 24px;
  }

  .pt-wall__row { display: contents; }

  .pt-wall__row + .pt-wall__row { margin-top: 0; }

  .pt-wall img { height: calc(var(--h) * .8); }
}

@media (max-width: 400px) {
  .pt-wall { gap: 26px 16px; }

  .pt-wall img { height: calc(var(--h) * .7); }
}

@media (max-width: 700px) {
  .pt-head { padding-top: 38px; }

  .pt-title { font-size: clamp(24px, 7.5vw, 40px); }

  .pt-stage { margin-top: 34px; }
}

@media (max-width: 560px) {
  .pt-grid,
  .pt-list { grid-template-columns: minmax(0, 1fr); }

  .pt-grid__item { min-height: 108px; }

  .pt-grid__item--wide { grid-column: auto / span 1; }
}

@media (prefers-reduced-motion: reduce) {
  .pt-grid__item,
  .pt-card__name { transition: none; }
}