/* RC1.3-R — final hierarchy, desktop density and collaboration content lock. */

.hero-scope,
.mobile-identity__scope {
  margin: 14px 0 0;
  color: rgba(224, 235, 239, 0.54);
  font-size: 12px;
  font-weight: 430;
  line-height: 1.65;
  letter-spacing: 0.04em;
}

.p-section__header p,
.p-project__level3,
.p-project__role span {
  color: rgba(170, 170, 160, 0.82);
}

.p-project__role {
  color: rgba(200, 199, 192, 0.78);
  font-weight: 400;
}

.p-project__role span {
  font-size: 9px;
  font-weight: 540;
}

.collaboration {
  box-sizing: border-box;
  padding: clamp(54px, 5vw, 74px) 0 clamp(62px, 5.8vw, 86px);
  border-top: 1px solid var(--closing-line);
}

.collaboration__header {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(12px, 1.2vw, 20px);
  align-items: start;
}

.collaboration__header .closing-kicker {
  grid-column: 1 / 4;
}

.collaboration__header h2 {
  grid-column: 4 / 13;
  margin: 0;
  color: rgba(247, 251, 252, 0.98);
  font-size: clamp(42px, 4.2vw, 64px);
  font-weight: 620;
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.collaboration__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 2.4vw, 38px);
  margin-top: clamp(42px, 4vw, 60px);
  border-top: 1px solid var(--closing-line);
}

.collaboration__item {
  min-width: 0;
  padding-top: 18px;
}

.collaboration__item + .collaboration__item {
  padding-left: clamp(18px, 2.2vw, 34px);
  border-left: 1px solid var(--closing-line-soft);
}

.collaboration__item h3,
.collaboration__item p {
  margin: 0;
}

.collaboration__item h3 {
  color: rgba(244, 249, 251, 0.94);
  font-size: clamp(18px, 1.55vw, 23px);
  font-weight: 570;
  line-height: 1.25;
}

.collaboration__item p {
  max-width: 27em;
  margin-top: 14px;
  color: var(--closing-muted);
  font-size: clamp(12px, 0.95vw, 14px);
  font-weight: 440;
  line-height: 1.75;
}

@media (min-width: 821px) {
  .p-section {
    padding-top: 104px;
    padding-bottom: 132px;
  }

  .p-section__header {
    grid-template-columns: 150px minmax(0, 1fr);
    margin-bottom: 64px;
    padding-bottom: 20px;
  }

  .p-section__header h2 {
    font-size: clamp(44px, 4.25vw, 60px);
    font-weight: 500;
    line-height: 0.98;
    letter-spacing: -0.045em;
  }

  .p-project-list {
    gap: clamp(84px, 7vw, 112px);
  }

  .p-project__header {
    display: block;
    width: min(760px, 100%);
    margin-bottom: 30px;
    padding-top: 14px;
  }

  .p-project__title {
    font-size: clamp(24px, 2vw, 30px);
    font-weight: 460;
    line-height: 1.13;
    letter-spacing: -0.028em;
  }

  .p-project__level3 {
    margin-top: 9px;
  }

  .p-project__role {
    margin-top: 13px;
    font-size: 11.5px;
    line-height: 1.62;
  }

  .p-row {
    gap: 22px;
  }

  .p-row--1 {
    grid-template-columns: minmax(0, 700px);
  }

  .p-row--1.p-row--vertical {
    grid-template-columns: minmax(0, 390px);
  }

  .p-row--2.p-row--vertical {
    grid-template-columns: repeat(2, minmax(0, 420px));
  }

  .p-row--3.p-row--vertical {
    grid-template-columns: repeat(3, minmax(0, 330px));
  }

  .p-series {
    gap: clamp(28px, 2.5vw, 38px);
  }

  .p-series + .p-series {
    margin-top: clamp(42px, 4vw, 60px);
    padding-top: clamp(20px, 1.8vw, 28px);
  }
}

@media (min-width: 1180px) {
  .p-section__inner {
    width: min(1100px, calc(100% - clamp(120px, 18vw, 320px)));
  }
}

@media (max-width: 820px) {
  .hero-scope {
    display: none;
  }

  .mobile-identity__scope {
    max-width: 29em;
    margin-top: 13px;
    font-size: 11px;
    line-height: 1.7;
  }

  .p-section__header h2 {
    font-size: clamp(36px, 9.4vw, 50px);
    font-weight: 500;
    letter-spacing: -0.045em;
  }

  .p-project__header {
    display: block;
    width: 100%;
    margin-bottom: 25px;
  }

  .p-project__title {
    font-size: clamp(22px, 6vw, 27px);
    font-weight: 460;
    line-height: 1.14;
    letter-spacing: -0.026em;
  }

  .p-project__role {
    margin-top: 12px;
  }

  .collaboration {
    padding: 52px 0 58px;
  }

  .collaboration__header {
    display: block;
  }

  .collaboration__header h2 {
    margin-top: 16px;
    font-size: clamp(38px, 10.8vw, 46px);
    line-height: 1;
  }

  .collaboration__grid {
    display: block;
    margin-top: 34px;
  }

  .collaboration__item {
    padding: 20px 0 22px;
    border-bottom: 1px solid var(--closing-line-soft);
  }

  .collaboration__item + .collaboration__item {
    padding-left: 0;
    border-left: 0;
  }

  .collaboration__item h3 {
    font-size: 21px;
  }

  .collaboration__item p {
    margin-top: 10px;
    font-size: 13px;
    line-height: 1.7;
  }

  .closing-contact {
    margin-top: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .collaboration {
    scroll-behavior: auto;
  }
}