.page-about {
  --about-cyan-glow: rgba(0, 212, 255, 0.18);
  --about-orange-glow: rgba(255, 107, 53, 0.14);
  position: relative;
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-about .container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  box-sizing: border-box;
}

.page-about img {
  max-width: 100%;
  height: auto;
}

.page-about a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-about a:hover {
  color: var(--accent);
}

.page-about__manifesto,
.page-about__timeline,
.page-about__capabilities,
.page-about__credentials,
.page-about__team {
  padding: 56px 0;
}

.page-about__box {
  box-sizing: border-box;
}

.page-about__hero {
  padding: 40px var(--gutter) 36px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 88% 0%, var(--about-cyan-glow), transparent 42%),
    linear-gradient(135deg, rgba(0, 212, 255, 0.06), transparent 55%);
}

.page-about__breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 28px;
}

.page-about__h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 7vw, 64px);
  line-height: 1.05;
  letter-spacing: 0.02em;
  margin: 0 0 12px;
  text-transform: uppercase;
}

.page-about__h1-sub {
  display: block;
  font-family: var(--font-body);
  font-size: clamp(14px, 2.2vw, 20px);
  font-weight: 500;
  color: var(--accent-blue);
  letter-spacing: 0.08em;
  margin-top: 10px;
  text-transform: none;
}

.page-about__lead {
  max-width: 64ch;
  margin: 16px 0 0;
  font-size: clamp(15px, 2vw, 18px);
  color: var(--text-dim);
}

.page-about .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  margin-bottom: 28px;
}

.page-about .section-index {
  font-family: var(--font-display);
  font-size: 26px;
  color: var(--accent-blue);
  line-height: 1;
}

.page-about .section-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.15;
  margin: 0;
  text-transform: uppercase;
}

.page-about .section-subtitle {
  margin: 0;
  color: var(--text-dim);
  font-size: 13px;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.page-about__manifesto {
  position: relative;
  background:
    linear-gradient(180deg, var(--about-orange-glow), transparent 60%),
    var(--bg-deep);
}

.page-about__manifesto::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent 75%);
}

.page-about__manifesto-grid {
  display: grid;
  gap: 28px;
}

.page-about__manifesto-copy p {
  margin: 0 0 14px;
  color: var(--text-dim);
}

.page-about__manifesto-copy .page-about__manifesto-lead {
  font-size: clamp(17px, 2.4vw, 22px);
  color: var(--text);
  font-weight: 500;
  line-height: 1.7;
}

.page-about__manifesto-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 0;
}

.page-about .stat {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 10px;
  min-width: 0;
  text-align: center;
}

.page-about .stat__value {
  font-family: var(--font-display);
  font-size: clamp(22px, 5vw, 38px);
  line-height: 1.1;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  margin: 0 0 4px;
  letter-spacing: 0.02em;
}

.page-about .stat__label {
  margin: 0;
  color: var(--text-dim);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-about__timeline {
  position: relative;
  background: var(--bg-sunken);
}

.page-about__timeline::before {
  content: "";
  position: absolute;
  right: -80px;
  top: 8%;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.06), transparent 70%);
  pointer-events: none;
}

.page-about__timeline-grid {
  display: grid;
  gap: 28px;
}

.page-about__timeline-figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-panel);
  border: 1px solid var(--line);
}

.page-about__timeline-figure img {
  display: block;
}

.page-about__timeline-figure figcaption {
  padding: 10px 14px;
  font-size: 12px;
  color: var(--text-dim);
  border-top: 1px solid var(--line);
}

.page-about__timeline-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about__timeline-list::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-blue), var(--line) 88%);
}

.page-about__timeline-item {
  position: relative;
  padding-left: 40px;
  margin-bottom: 16px;
}

.page-about__timeline-detail {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-about__timeline-detail[open] {
  border-color: var(--line-strong);
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.06), transparent 60%), var(--bg-panel);
}

.page-about__timeline-detail summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  min-height: 52px;
}

.page-about__timeline-detail summary::-webkit-details-marker {
  display: none;
}

.page-about__timeline-detail summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--text-dim);
  line-height: 1;
  transition: transform 0.25s var(--ease), color 0.25s var(--ease);
}

.page-about__timeline-detail[open] summary::after {
  content: "–";
  color: var(--accent-blue);
}

.page-about__timeline-detail summary:hover .page-about__timeline-name {
  color: var(--accent-blue);
}

.page-about__timeline-year {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--accent-blue);
  min-width: 54px;
  letter-spacing: 0.04em;
  line-height: 1;
}

.page-about__timeline-name {
  transition: color 0.2s var(--ease);
}

.page-about__timeline-marker {
  position: absolute;
  left: -33px;
  top: 20px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-blue);
  box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.14);
  transition: background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-about__timeline-detail[open] .page-about__timeline-marker {
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.22);
}

.page-about__timeline-body {
  padding: 0 16px 16px;
  border-top: 1px dashed var(--line);
}

.page-about__timeline-body p {
  margin: 12px 0 0;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.75;
}

.page-about__capabilities {
  position: relative;
  background:
    radial-gradient(circle at 10% 10%, var(--about-cyan-glow), transparent 38%),
    var(--bg-deep);
}

.page-about__capability-cards {
  display: grid;
  gap: 16px;
}

.page-about__capability-card {
  background: rgba(16, 42, 76, 0.72);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
  backdrop-filter: blur(6px);
}

.page-about__capability-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  background: rgba(16, 42, 76, 0.92);
  box-shadow: 0 16px 36px rgba(1, 6, 16, 0.35);
}

.page-about__capability-num {
  font-family: var(--font-display);
  font-size: 30px;
  color: var(--accent-blue);
  display: block;
  margin-bottom: 10px;
  line-height: 1;
  transition: color 0.2s var(--ease);
}

.page-about__capability-card:hover .page-about__capability-num {
  color: var(--accent);
}

.page-about__capability-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.4;
}

.page-about__capability-card p {
  margin: 0 0 14px;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.75;
}

.page-about__capability-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about__capability-card li {
  position: relative;
  padding-left: 18px;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.6;
  margin-bottom: 6px;
}

.page-about__capability-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  background: var(--accent-blue);
  border-radius: 1px;
  transform: rotate(45deg);
}

.page-about__capabilities-below {
  display: grid;
  gap: 24px;
  margin-top: 28px;
}

.page-about__capability-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 0;
}

.page-about__capabilities-figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-panel);
  border: 1px solid var(--line);
}

.page-about__capabilities-figure img {
  display: block;
}

.page-about__capabilities-figure figcaption {
  padding: 10px 14px;
  font-size: 12px;
  color: var(--text-dim);
  border-top: 1px solid var(--line);
}

.page-about__credentials {
  background: var(--bg-sunken);
  position: relative;
}

.page-about__credential-grid {
  display: grid;
  gap: 16px;
}

.page-about__credential-card {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-about__credential-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.page-about__credential-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-blue);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 14px;
  background: rgba(0, 212, 255, 0.08);
  text-transform: uppercase;
}

.page-about__credential-card--highlight {
  background: linear-gradient(135deg, var(--about-orange-glow), var(--bg-panel) 60%);
}

.page-about__credential-card--highlight .page-about__credential-badge {
  color: var(--accent);
  border-color: rgba(255, 107, 53, 0.5);
  background: rgba(255, 107, 53, 0.12);
}

.page-about__credential-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.4;
}

.page-about__credential-card p {
  margin: 0;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.75;
}

.page-about__team {
  background: linear-gradient(180deg, var(--bg-deep), var(--bg-sunken));
}

.page-about__team-grid {
  display: grid;
  gap: 28px;
}

.page-about__team-figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-panel);
  border: 1px solid var(--line);
}

.page-about__team-figure img {
  display: block;
}

.page-about__team-desc {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
}

.page-about__team-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-about__team-list li {
  position: relative;
  padding-left: 20px;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 10px;
}

.page-about__team-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--accent-blue);
  border-radius: 2px;
  transform: rotate(45deg);
}

.page-about__more {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(circle at 80% 20%, rgba(255, 107, 53, 0.1), transparent 40%),
    var(--bg-deep);
}

.page-about__more-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 56px var(--gutter);
  text-align: center;
}

.page-about__more h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 36px);
  text-transform: uppercase;
  margin: 0 0 10px;
}

.page-about__more p {
  color: var(--text-dim);
  font-size: 15px;
  margin: 0 auto 24px;
  max-width: 48ch;
}

.page-about__more-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

@media (min-width: 900px) {
  .page-about__hero {
    padding: 64px var(--gutter) 56px;
  }

  .page-about__manifesto,
  .page-about__timeline,
  .page-about__capabilities,
  .page-about__credentials,
  .page-about__team {
    padding: 72px 0;
  }

  .page-about__manifesto-grid {
    grid-template-columns: 1.3fr 1fr;
    gap: 48px;
    align-items: start;
  }

  .page-about__manifesto-stats {
    gap: 14px;
  }

  .page-about__timeline-grid {
    grid-template-columns: 400px 1fr;
    gap: 48px;
    align-items: start;
  }

  .page-about__capability-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-about__capabilities-below {
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: center;
  }

  .page-about__capability-metrics {
    gap: 14px;
  }

  .page-about__credential-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-about__team-grid {
    grid-template-columns: 440px 1fr;
    gap: 48px;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition: none !important;
  }
}