.project-list {
  display: grid;
  gap: 14px;
}

.project-card {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 18px;
  padding: 25px;
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color 160ms ease, background 160ms ease;
}

.project-card:hover, .project-card:focus-within {
  border-color: #b9cdf7;
  background: var(--surface);
}

.project-card h3 {
  font-size: 1.12rem;
  margin: 0 0 10px;
  font-weight: 600;
  letter-spacing: -.025em;
}

.project-card h3 a {
  color: var(--ink);
  text-decoration: none;
}

.project-card h3 a:hover {
  color: var(--accent);
}

.project-description {
  color: var(--text);
  font-size: .9rem;
  line-height: 1.8;
  margin: 0;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.project-number {
  color: #9aa0a6;
  font-size: .75rem;
  margin: 2px 0 0;
  font-variant-numeric: tabular-nums;
}

.project-card .card-kicker {
  font-size: .65rem;
  margin-bottom: 8px;
}

.project-evidence {
  color: var(--accent);
  font-size: .77rem;
  line-height: 1.7;
  margin: 14px 0 0;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.project-collection {
  margin-top: 32px;
}

.project-card--collection {
  position: relative;
}

.project-card--collection h3 a::after {
  content: "";
  position: absolute;
  inset: 0;
}

.project-page {
  padding-top: 12px;
}

.breadcrumb {
  color: var(--muted);
  font-size: .85rem;
  text-decoration: none;
}

.breadcrumb:hover {
  color: var(--accent);
}

.project-hero {
  border-bottom: 1px solid var(--border);
  padding: 46px 0 42px;
}

.project-hero h1 {
  font-size: clamp(2.7rem, 7vw, 4.7rem);
  letter-spacing: -.06em;
  margin: 0 0 20px;
}

.project-lead {
  color: #4d5156;
  font-size: 1.17rem;
  line-height: 1.6;
  margin: 0;
  max-width: 650px;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.case-meta {
  border-bottom: 1px solid var(--border);
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 24px 0;
}

.case-meta dt {
  color: var(--muted);
  font-size: .72rem;
  font-weight: 650;
  letter-spacing: .08em;
  margin-bottom: 5px;
  text-transform: uppercase;
}

.case-meta dd {
  font-size: .88rem;
  line-height: 1.45;
  margin: 0;
  overflow-wrap: break-word;
}

.case-section, .diagram-section {
  border-top: 1px solid var(--border);
  display: grid;
  gap: 32px;
  grid-template-columns: 150px minmax(0, 1fr);
  padding: 38px 0;
}

.case-section h2, .diagram-section h2 {
  border: 0;
  font-size: 1.5rem;
  letter-spacing: -.035em;
  margin: 0 0 12px;
  padding: 0;
}

.case-section p {
  color: #4d5156;
  margin: 0;
  max-width: 650px;
}

.case-section ul, .diagram-section ul {
  color: #4d5156;
  margin: 0;
  padding-left: 20px;
}

.case-section li + li, .diagram-section li + li {
  margin-top: 7px;
}

.diagram-card {
  grid-column: 2;
  margin: 0;
  min-width: 0;
}

.diagram-card img {
  background: #fff;
  border: 1px solid #e5e8eb;
  border-radius: 8px;
  display: block;
  max-width: 100%;
  height: auto;
}

.diagram-card figcaption {
  color: var(--muted);
  font-size: .8rem;
  margin-top: 8px;
}

.opensource-header {
  padding: 0 0 36px;
}

.opensource-header h1 {
  font-size: clamp(2rem, 5vw, 2.8rem);
  letter-spacing: -.04em;
  margin: 28px 0 0;
}

.opensource-group {
  border-top: 1px solid var(--border);
  padding: 28px 0 32px;
  scroll-margin-top: 24px;
}

.opensource-group h2 {
  border: 0;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -.025em;
  margin: 0 0 16px;
  padding: 0;
  overflow-wrap: anywhere;
}

.opensource-group h2 span {
  color: var(--muted);
  font-weight: 400;
}

.pr-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.case-section .pr-list {
  margin-top: 20px;
  padding: 0;
}

.pr-list li + li {
  border-top: 1px solid var(--soft-border);
  margin-top: 0;
}

.pr-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 16px;
  align-items: baseline;
  gap: 14px;
  padding: 14px 10px;
  border-radius: 6px;
  overflow-wrap: anywhere;
  color: var(--ink);
  text-decoration: none;
}

.pr-row::after {
  content: '↗';
  color: var(--muted);
  font-size: .85rem;
}

.pr-row:hover, .pr-row:focus-visible {
  background: var(--surface);
}

.pr-row:hover h3, .pr-row:focus-visible h3 {
  color: var(--accent);
}

.pr-number {
  color: var(--muted);
  font-size: .75rem;
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-variant-numeric: tabular-nums;
}

.pr-row h3 {
  font-size: .9rem;
  line-height: 1.5;
  margin: 0;
  font-weight: 500;
}

.cloud-specs {
  margin: 22px 0;
  border-top: 1px solid var(--soft-border);
}

.cloud-specs > div {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--soft-border);
  font-size: .88rem;
}

.cloud-specs dt {
  color: var(--muted);
}

.cloud-specs dd {
  margin: 0;
  color: #3c4043;
  overflow-wrap: anywhere;
}

@media (max-width: 760px) {
  .project-card {
    grid-template-columns: 20px minmax(0, 1fr);
    gap: 12px;
    padding: 20px 16px;
  }
}

@media (max-width: 680px) {
  .pr-row {
    grid-template-columns: 54px minmax(0, 1fr) 12px;
    gap: 10px;
    padding: 12px 4px;
  }

  .case-section, .diagram-section {
    gap: 12px;
    grid-template-columns: 1fr;
  }

  .case-meta {
    grid-template-columns: 1fr 1fr;
  }

  .diagram-card {
    grid-column: 1;
  }
}

@media (max-width: 480px) {
  .cloud-specs > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}