.page-about {
  background: var(--night);
  color: var(--paper);
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 44px) 0 clamp(56px, 8vw, 104px);
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  filter: saturate(0.7);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(112deg, rgba(7, 26, 22, 0.96) 0%, rgba(7, 26, 22, 0.84) 44%, rgba(11, 13, 12, 0.52) 100%);
}

.page-about .about-hero-inner {
  position: relative;
  z-index: 1;
}

.page-about .about-hero-grid {
  display: grid;
  gap: clamp(32px, 5vw, 64px);
  margin-top: clamp(28px, 5vw, 56px);
}

.page-about .about-h1-brand {
  display: block;
  font-size: clamp(15px, 1.8vw, 18px);
  font-weight: 600;
  letter-spacing: 0.32em;
  color: var(--signal);
  margin-bottom: 16px;
}

.page-about .about-hero h1 {
  margin: 0;
  font-weight: 900;
  letter-spacing: -0.045em;
}

.page-about .about-h1-line {
  display: block;
  font-size: clamp(36px, 8.2vw, 84px);
  line-height: 0.98;
}

.page-about .about-lede {
  max-width: 34em;
  margin: 24px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: rgba(244, 247, 245, 0.85);
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-about .about-hero-stats {
  padding: 22px 22px 24px;
  border: 1px solid var(--line);
}

.page-about .about-hero-stats .rail-label {
  margin: 0 0 16px;
  color: var(--mist);
}

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

.page-about .about-hero-stats li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-about .about-hero-stats li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-about .stat-num {
  flex: none;
  min-width: 4.2em;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.1;
  color: var(--signal);
  font-variant-numeric: tabular-nums;
}

.page-about .stat-label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .about-section {
  padding: clamp(56px, 9vw, 118px) 0;
}

.page-about .about-milestones,
.page-about .about-eco {
  background: var(--console);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-flow {
  background: linear-gradient(180deg, rgba(18, 51, 43, 0.55) 0%, rgba(7, 26, 22, 1) 82%);
}

.page-about .about-split {
  display: grid;
  gap: 20px;
}

.page-about .about-rail {
  color: var(--signal);
}

.page-about .about-body {
  max-width: 40em;
}

.page-about .about-body h2 {
  margin: 0 0 20px;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.16;
  letter-spacing: -0.03em;
  font-weight: 800;
}

.page-about .about-body p {
  margin: 0 0 18px;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.95;
  color: rgba(244, 247, 245, 0.82);
}

.page-about .about-motto {
  margin: 34px 0 0;
  padding-left: 18px;
  border-left: 3px solid var(--signal);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-about .about-section-head {
  max-width: 46em;
  margin-bottom: clamp(30px, 5vw, 54px);
}

.page-about .about-section-head .rail-label {
  color: var(--signal);
  margin: 0;
}

.page-about .about-section-head h2 {
  margin: 12px 0 14px;
  font-size: clamp(26px, 4.4vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.035em;
  font-weight: 800;
}

.page-about .about-sub {
  margin: 0;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.85;
  color: var(--mist);
}

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

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 13px;
  width: 1px;
  background: linear-gradient(180deg, var(--line-signal), var(--line), var(--line-soft));
}

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

.page-about .tl-item:last-child {
  margin-bottom: 0;
}

.page-about .tl-dot {
  position: absolute;
  left: 9px;
  top: 16px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(255, 138, 61, 0.14);
}

.page-about .tl-year {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--signal);
  font-variant-numeric: tabular-nums;
}

.page-about .tl-card {
  padding: 16px 18px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(18, 51, 43, 0.5);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-about .tl-card:hover,
.page-about .tl-card:focus-within {
  border-color: var(--line-signal);
  transform: translateY(-2px);
}

.page-about .tl-card > summary {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-about .tl-card > summary::-webkit-details-marker {
  display: none;
}

.page-about .tl-hint {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-about .tl-card[open] .tl-hint {
  color: var(--signal);
}

.page-about .tl-card p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(244, 247, 245, 0.8);
}

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

.page-about .role-card {
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--field);
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-about .role-card:hover {
  border-color: var(--line-signal);
  background: rgba(18, 51, 43, 0.55);
}

.page-about .role-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 34px;
  line-height: 1;
  color: var(--signal);
  font-variant-numeric: tabular-nums;
}

.page-about .role-card h3 {
  margin: 14px 0 10px;
  font-size: 20px;
  letter-spacing: -0.01em;
}

.page-about .role-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(244, 247, 245, 0.8);
}

.page-about .role-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
}

.page-about .role-tags li {
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-about .about-team-note {
  margin: 30px 0 0;
  padding: 16px 18px;
  border-left: 2px solid var(--data);
  background: rgba(78, 214, 168, 0.07);
  font-size: 14px;
  line-height: 1.85;
  color: rgba(244, 247, 245, 0.84);
}

.page-about .about-flow-grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-about .about-flow-text h2 {
  margin: 12px 0 22px;
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.035em;
  font-weight: 800;
}

.page-about .about-flow-text .rail-label {
  margin: 0;
  color: var(--signal);
}

.page-about .about-flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-flow-steps li {
  position: relative;
  margin-left: 5px;
  padding: 0 0 22px 30px;
  border-left: 1px solid var(--line);
}

.page-about .about-flow-steps li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-about .about-flow-steps li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--signal);
}

.page-about .step-title {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 700;
}

.page-about .step-text {
  display: block;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(244, 247, 245, 0.78);
}

.page-about .about-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.page-about .metric {
  padding-top: 10px;
  border-top: 1px solid var(--line-signal);
}

.page-about .metric b {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.4vw, 22px);
  line-height: 1.2;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

.page-about .metric span {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .about-figure {
  margin: 0;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-about .about-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-about .about-flow-tape {
  display: block;
  width: 100%;
  height: auto;
  margin-top: clamp(30px, 5vw, 52px);
  color: var(--steel);
}

.page-about .about-eco-grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-about .about-eco-text p {
  margin: 0;
  font-size: clamp(14.5px, 1.5vw, 16px);
  line-height: 1.9;
  color: rgba(244, 247, 245, 0.82);
}

.page-about .about-eco-figures {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.page-about .about-eco-figures b {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1.1;
  color: var(--signal);
  font-variant-numeric: tabular-nums;
}

.page-about .about-eco-figures span {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .about-eco-link {
  margin: 24px 0 0;
}

.page-about .about-eco-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
}

.page-about .about-eco-tags li {
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-about .about-eco-tags li:nth-child(3n + 1) {
  border-color: var(--line-signal);
  color: var(--signal-soft);
}

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

.page-about .report-card {
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--field);
}

.page-about .report-card--alt {
  border-color: var(--line-signal);
  background: rgba(255, 138, 61, 0.08);
}

.page-about .report-tag {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--signal);
}

.page-about .report-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(44px, 7vw, 60px);
  line-height: 1;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

.page-about .report-num small {
  margin-left: 8px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-about .report-card p:last-child {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(244, 247, 245, 0.8);
}

.page-about .about-cta {
  margin-top: clamp(30px, 5vw, 54px);
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line-signal);
  border-radius: var(--radius);
  background: rgba(18, 51, 43, 0.55);
}

.page-about .about-cta h3 {
  margin: 0 0 12px;
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.page-about .about-cta p {
  max-width: 40em;
  margin: 0 0 22px;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(244, 247, 245, 0.82);
}

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

@media (min-width: 600px) {
  .page-about .about-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }

  .page-about .about-hero-stats {
    transform: translateY(16px);
  }

  .page-about .about-split {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-about .about-rail {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    letter-spacing: 0.26em;
    align-self: start;
    margin-top: 8px;
  }

  .page-about .about-timeline::before {
    left: 100px;
  }

  .page-about .tl-item {
    padding-left: 134px;
    margin-bottom: 22px;
  }

  .page-about .tl-dot {
    left: 100px;
    top: 24px;
    transform: translateX(-50%);
  }

  .page-about .tl-year {
    position: absolute;
    left: 0;
    top: 14px;
    width: 64px;
    margin: 0;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    font-size: 24px;
    letter-spacing: 0.12em;
    color: var(--paper);
    opacity: 0.86;
  }

  .page-about .about-roles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
  }

  .page-about .role-card--b {
    margin-top: 28px;
  }

  .page-about .role-card--c {
    margin-top: 56px;
  }

  .page-about .about-flow-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-about .about-eco-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: center;
  }

  .page-about .about-eco-figures {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-about .about-report-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .tl-card,
  .page-about .role-card {
    transition: none;
  }

  .page-about .tl-card:hover,
  .page-about .tl-card:focus-within {
    transform: none;
  }
}