.page-about {
  --about-line: 2px solid var(--rock);
  --about-pad: 44px;
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-about .about-masthead {
  padding: 10px 0 40px;
  border-bottom: var(--about-line);
}

.page-about .about-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 7.2vw, 62px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 14px 0 20px;
  max-width: 18em;
  overflow-wrap: break-word;
}

.page-about .about-lede {
  max-width: 62ch;
  color: var(--paper);
  opacity: 0.86;
  font-size: clamp(16px, 2.2vw, 18px);
  line-height: 1.78;
}

.page-about .about-facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  background: var(--rock);
  border: var(--about-line);
  box-shadow: var(--shadow);
}

.page-about .about-facts li {
  background: var(--panel);
  padding: 16px 14px 14px;
  min-width: 0;
}

.page-about .fact-num {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(26px, 6vw, 42px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-about .about-facts li:nth-child(2n) .fact-num {
  color: var(--paper);
}

.page-about .fact-label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--mist);
  line-height: 1.5;
}

.page-about .about-section {
  padding: var(--about-pad) 0;
  border-bottom: 2px solid rgba(59, 65, 72, 0.72);
}

.page-about .about-head {
  display: grid;
  gap: 12px;
  margin-bottom: 24px;
}

.page-about .about-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--moss);
  text-transform: uppercase;
}

.page-about .about-section h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(23px, 4.6vw, 40px);
  line-height: 1.22;
  margin: 0;
  overflow-wrap: break-word;
}

.page-about .about-sub {
  margin: 0;
  max-width: 66ch;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

.page-about .thesis-body p {
  margin: 0 0 14px;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.9;
}

.page-about .thesis-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .thesis-item {
  background: var(--panel);
  border: var(--about-line);
  border-left-width: 8px;
  border-left-color: var(--rock);
  box-shadow: var(--shadow);
  padding: 18px 18px 16px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-about .thesis-item:nth-child(1) { border-left-color: var(--cyan); }
.page-about .thesis-item:nth-child(2) { border-left-color: var(--moss); }
.page-about .thesis-item:nth-child(3) { border-left-color: var(--terracotta); }

.page-about .thesis-item:hover {
  border-color: var(--cyan);
  box-shadow: 8px 8px 0 rgba(2, 5, 12, 0.75);
}

.page-about .thesis-item h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
}

.page-about .thesis-item p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .about-link {
  display: inline-block;
  color: var(--cyan);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.04em;
  border-bottom: 1px solid rgba(47, 243, 224, 0.4);
  padding-bottom: 2px;
}

.page-about .about-link:hover,
.page-about .about-link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.page-about .about-media {
  margin: 0 0 26px;
  border: var(--about-line);
  box-shadow: var(--shadow);
  background: var(--panel);
}

.page-about .about-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-media figcaption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
  border-top: 2px solid var(--rock);
  background: var(--ink);
}

.page-about .timeline {
  display: grid;
  gap: 0;
  border-bottom: var(--about-line);
}

.page-about .about-node {
  border-top: var(--about-line);
}

.page-about .about-node summary {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 16px 6px;
  cursor: pointer;
  list-style: none;
  transition: background 0.2s ease;
}

.page-about .about-node summary::-webkit-details-marker { display: none; }

.page-about .about-node summary:hover,
.page-about .about-node summary:focus-visible {
  background: rgba(47, 243, 224, 0.07);
}

.page-about .about-node[open] summary {
  background: linear-gradient(90deg, rgba(47, 243, 224, 0.12), rgba(47, 243, 224, 0));
}

.page-about .node-year {
  font-family: var(--font-num);
  font-size: clamp(20px, 5vw, 32px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--terracotta);
}

.page-about .node-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--paper);
}

.page-about .node-body {
  padding: 0 6px 18px;
}

.page-about .node-body p {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .team-intro {
  display: grid;
  gap: 20px;
  margin-bottom: 26px;
}

.page-about .team-copy p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.9;
  max-width: 60ch;
}

.page-about .about-media--square {
  margin: 0;
}

.page-about .about-team-tabs .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  border: none;
}

.page-about .about-team-tabs .tab {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  padding: 10px 14px;
  background: var(--panel);
  color: var(--mist);
  border: var(--about-line);
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-about .about-team-tabs .tab:hover { color: var(--paper); }

.page-about .about-team-tabs .tab[aria-selected="true"] {
  background: var(--violet);
  border-color: var(--violet);
  color: #FFFFFF;
}

.page-about .role-panel {
  background: var(--panel);
  border: var(--about-line);
  border-left: 8px solid var(--moss);
  box-shadow: var(--shadow);
  padding: 20px 18px;
}

.page-about .role-panel h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
}

.page-about .role-panel p {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .review-steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .review-steps li {
  background: var(--panel);
  border: var(--about-line);
  box-shadow: var(--shadow);
  padding: 20px 18px;
  position: relative;
}

.page-about .review-steps li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--amber);
}

.page-about .review-steps li:nth-child(2)::before { background: var(--moss); }
.page-about .review-steps li:nth-child(3)::before { background: var(--cyan); }

.page-about .step-num {
  display: block;
  font-family: var(--font-num);
  font-size: 32px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--amber);
  margin-bottom: 10px;
}

.page-about .review-steps li:nth-child(2) .step-num { color: var(--moss); }
.page-about .review-steps li:nth-child(3) .step-num { color: var(--cyan); }

.page-about .review-steps h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
}

.page-about .review-steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .partner-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .partner-card {
  background: var(--panel);
  border: var(--about-line);
  box-shadow: var(--shadow);
  padding: 18px;
}

.page-about .partner-card h3 {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
}

.page-about .partner-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-about .start-box {
  margin-top: 22px;
  padding: 22px 18px;
  background: var(--panel);
  border: var(--about-line);
  border-top: 8px solid var(--cyan);
  box-shadow: var(--shadow);
}

.page-about .start-box h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
}

.page-about .start-box p {
  margin: 0 0 18px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}

.page-about .start-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-reports .report-backdrop {
  margin-bottom: 24px;
}

.page-about .report-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .report-card {
  background: linear-gradient(180deg, rgba(139, 92, 246, 0.16), rgba(14, 26, 47, 0.96));
  border: var(--about-line);
  box-shadow: var(--shadow);
  padding: 18px;
}

.page-about .report-no {
  display: inline-block;
  font-size: 12px;
  color: var(--amber);
  border: 1px solid rgba(255, 176, 32, 0.5);
  padding: 3px 8px;
  letter-spacing: 0.06em;
}

.page-about .report-card h3 {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.42;
}

.page-about .report-card > p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .report-details {
  border-top: 1px solid rgba(59, 65, 72, 0.9);
  padding-top: 12px;
}

.page-about .report-details summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  list-style: none;
}

.page-about .report-details summary::-webkit-details-marker { display: none; }

.page-about .report-details summary::before { content: "+ "; }

.page-about .report-details[open] summary::before { content: "− "; }

.page-about .report-details ul {
  margin: 12px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.page-about .report-details li {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--paper);
  opacity: 0.85;
}

.page-about .about-closing {
  margin: 40px 0 56px;
  padding: 24px 18px;
  background: var(--ink);
  border: var(--about-line);
  box-shadow: var(--shadow);
}

.page-about .about-closing-text {
  margin: 0 0 18px;
  max-width: 62ch;
  font-family: var(--font-display);
  font-size: clamp(18px, 3.4vw, 24px);
  line-height: 1.5;
  color: var(--paper);
}

.page-about .about-closing-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-bottom: 18px;
}

.page-about .about-closing-links a {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--rock);
  padding-bottom: 2px;
}

.page-about .about-closing-links a:hover,
.page-about .about-closing-links a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-about .about-top {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
  text-decoration: none;
}

.page-about .about-top:hover,
.page-about .about-top:focus-visible {
  color: var(--paper);
}

@media (min-width: 720px) {
  .page-about { --about-pad: 60px; }

  .page-about .about-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-node summary {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 20px;
    padding: 20px 8px;
  }

  .page-about .node-body {
    padding: 0 8px 22px 128px;
  }

  .page-about .thesis-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .report-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .review-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-about .about-facts {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-about .thesis-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .team-intro {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 28px;
  }

  .page-about .review-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .report-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .start-box {
    padding: 26px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .thesis-item,
  .page-about .about-team-tabs .tab,
  .page-about .about-node summary {
    transition: none;
  }
}
<<<END>>>