.requirements-section {
  padding: 100px 0;
}

.requirements-section--white {
  background: var(--white);
}

.requirements-section--paper,
.checklist-section {
  background: var(--paper);
}

.requirements-layout {
  display: grid;
  grid-template-columns: minmax(220px, .34fr) minmax(0, 1fr);
  gap: clamp(60px, 8vw, 120px);
  align-items: start;
}

.requirements-heading .about-intro__title {
  margin-top: 22px;
}

.requirements-heading__note {
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.status-label {
  display: inline-block;
  width: fit-content;
  margin: 0;
  padding: .45em .8em .35em;
  background: var(--ink);
  color: var(--lime);
  font-size: 11px;
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: .08em;
}

.matrix-copy {
  margin: 0 0 34px;
  color: var(--muted);
  font-size: 14px;
}

.matrix-table-wrap {
  overflow-x: auto;
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  border-bottom: 1px solid var(--line);
  font-variant-numeric: tabular-nums;
  text-align: left;
}

.matrix-table th,
.matrix-table td {
  padding: 22px 18px;
  border-top: 1px solid var(--line);
}

.matrix-table th {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
}

.matrix-table td {
  font-size: 16px;
  font-weight: 700;
}

.viewport-checks {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 42px;
  border-block: 1px solid var(--line);
}

.viewport-check {
  min-height: 148px;
  padding: 26px 20px;
}

.viewport-check + .viewport-check {
  border-left: 1px solid var(--line);
}

.viewport-check strong {
  display: block;
  font-size: clamp(34px, 4vw, 58px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: normal;
}

.viewport-check span {
  display: block;
  margin-top: 14px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.display-check-copy {
  display: grid;
  gap: 18px;
  margin-top: 34px;
  color: var(--muted);
  font-size: 14px;
}

.display-check-copy p {
  margin: 0;
}

.boundary-section {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}

.boundary-section::before {
  position: absolute;
  inset: 0;
  background-image: var(--feature-noise-image);
  background-size: var(--feature-noise-size);
  mix-blend-mode: var(--feature-noise-blend);
  opacity: var(--feature-noise-opacity);
  content: "";
  pointer-events: none;
}

.boundary-section .page-shell {
  position: relative;
}

.boundary-section .about-label::before {
  background: var(--white);
}

.boundary-section .about-intro__title,
.boundary-section h3 {
  color: var(--white);
}

.boundary-section .status-label {
  background: rgba(255, 255, 255, .1);
}

.boundary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 60px;
  margin-top: 60px;
}

.boundary-grid article {
  padding: 32px 0 0;
  border-top: 1px solid rgba(255, 255, 255, .28);
}

.boundary-grid h3 {
  margin: 18px 0 0;
  font-size: 22px;
  line-height: 1.45;
}

.boundary-grid p {
  margin: 20px 0 0;
  color: rgba(255, 255, 255, .72);
  font-size: 14px;
}

.text-link {
  position: relative;
  display: inline-block;
  margin-top: 24px;
  padding-bottom: 2px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.text-link::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: right center;
  content: "";
  transition: transform .3s cubic-bezier(.22, 1, .36, 1);
}

.text-link:hover::after,
.text-link:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left center;
}

.boundary-grid .text-link {
  margin-top: 22px;
  color: var(--white);
}

.checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 60px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.checklist li {
  position: relative;
  min-height: 86px;
  padding: 26px 10px 24px 28px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.checklist li:nth-last-child(-n + 2) {
  border-bottom: 1px solid var(--line);
}

.checklist li::before {
  position: absolute;
  top: 35px;
  left: 5px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  content: "";
}

.checklist-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 28px;
  margin-top: 42px;
}

@media (max-width: 949.98px) {
  .requirements-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 56px;
  }

  .boundary-grid {
    gap: 36px;
  }
}

@media (max-width: 760px) {
  .requirements-section {
    padding: 70px 0;
  }

  .requirements-layout {
    gap: 40px;
  }

  .matrix-table th,
  .matrix-table td {
    padding: 18px 12px;
    white-space: nowrap;
  }

  .matrix-table td {
    font-size: 14px;
  }

  .viewport-checks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .viewport-check {
    min-height: 116px;
    padding: 22px 14px;
  }

  .viewport-check:nth-child(3) {
    border-left: 0;
  }

  .viewport-check:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .boundary-grid,
  .checklist {
    grid-template-columns: minmax(0, 1fr);
  }

  .boundary-grid {
    gap: 44px;
    margin-top: 44px;
  }

  .checklist {
    gap: 0;
  }

  .checklist li:nth-last-child(2) {
    border-bottom: 0;
  }

  .checklist-actions {
    display: grid;
    gap: 18px;
  }
}