.page-about {
  --about-pad: 64px;
  --about-gap: 24px;
  --about-gold-line: rgba(212, 168, 67, 0.42);
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.75;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

.page-about a {
  text-decoration: none;
}

.page-about img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

.page-about h1,
.page-about h2,
.page-about h3 {
  font-family: var(--font-heading);
}

.page-about .section-kicker {
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-red);
}

.page-about .section-title {
  color: var(--color-ink);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: 0.02em;
  line-height: 1.15;
}

.page-about .section-intro {
  color: var(--color-ink);
  opacity: 0.74;
  max-width: 64ch;
}

.page-about__breadcrumb {
  background: var(--color-paper);
  border-bottom: 1px solid rgba(26, 26, 26, 0.08);
}

.page-about__breadcrumb-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-block: 14px;
  font-size: 0.875rem;
}

.page-about__breadcrumb-link {
  color: var(--color-primary);
  transition: color var(--ease-fast);
}

.page-about__breadcrumb-link:hover {
  color: var(--color-gold-dark);
}

.page-about__breadcrumb-sep {
  color: var(--color-gold-dark);
}

.page-about__breadcrumb-current {
  color: var(--color-ink);
  font-weight: 700;
}

.page-about__story {
  position: relative;
  background:
    linear-gradient(90deg, rgba(212, 168, 67, 0.14) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    var(--color-primary);
  background-size: 48px 48px, 48px 48px, auto;
  color: var(--color-white);
  padding-block: var(--about-pad) 56px;
  overflow: hidden;
}

.page-about__story-inner {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-about__story .exhibit-tag {
  color: var(--color-gold);
}

.page-about__title {
  font-size: clamp(2.55rem, 6vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: 0.02em;
  color: var(--color-white);
  margin: 0.35em 0 0.25em;
}

.page-about__title-brand {
  color: var(--color-gold);
}

.page-about__lead {
  font-size: 1.1rem;
  color: var(--color-blue-light);
  max-width: 56ch;
}

.page-about__mission {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.95rem;
  max-width: 60ch;
}

.page-about__story-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-block: 28px 22px;
  border-block: 1px solid var(--about-gold-line);
  padding-block: 18px;
}

.page-about__stat-num {
  display: block;
  font-family: var(--font-data);
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--color-gold);
  font-weight: 700;
}

.page-about__stat-label {
  font-size: 0.8rem;
  color: var(--color-blue-light);
}

.page-about__story-figure {
  margin: 0;
  padding: 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(212, 168, 67, 0.35);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.page-about__story-figure img {
  border-radius: calc(var(--radius-md) - 4px);
}

.page-about__story-figure figcaption {
  padding: 10px 6px 4px;
  font-size: 0.82rem;
  color: var(--color-blue-light);
  letter-spacing: 0.04em;
}

.page-about__story-cta {
  margin-block-start: 16px;
}

.page-about__toc {
  background: var(--color-primary-deep);
  border-block: 1px solid rgba(212, 168, 67, 0.32);
}

.page-about__toc-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(212, 168, 67, 0.24);
}

.page-about__toc-link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 16px 14px;
  background: var(--color-primary-deep);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.95rem;
  transition: background var(--ease-fast), color var(--ease-fast);
}

.page-about__toc-link span {
  font-family: var(--font-data);
  color: var(--color-gold);
  font-size: 0.78rem;
}

.page-about__toc-link:hover,
.page-about__toc-link:focus-visible {
  background: var(--color-gold);
  color: var(--color-ink);
}

.page-about__toc-link:hover span,
.page-about__toc-link:focus-visible span {
  color: var(--color-red);
}

.page-about__capability {
  background: var(--color-paper);
  padding-block: var(--about-pad);
}

.page-about__capability-grid {
  display: grid;
  gap: 40px;
  margin-block-start: 40px;
}

.page-about__capability-copy {
  background: var(--color-white);
  border: 1px solid rgba(26, 26, 26, 0.1);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  box-shadow: var(--shadow-sm);
}

.page-about__capability-copy p + p {
  margin-block-start: 14px;
}

.page-about__detail-group {
  margin-block-start: 18px;
  border: 1px solid rgba(26, 26, 26, 0.12);
  border-radius: var(--radius-md);
  background: var(--color-paper);
}

.page-about__detail-group summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 16px;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.page-about__detail-group summary::-webkit-details-marker {
  display: none;
}

.page-about__detail-group summary::after {
  content: "+";
  font-family: var(--font-data);
  font-size: 1.2rem;
  color: var(--color-gold-dark);
  transition: transform var(--ease-fast);
}

.page-about__detail-group[open] summary::after {
  transform: rotate(45deg);
}

.page-about__detail-body {
  padding: 0 16px 16px;
  color: var(--color-ink);
  font-size: 0.9rem;
  border-top: 1px dashed rgba(26, 26, 26, 0.15);
  margin-inline: 14px;
}

.page-about__detail-body p {
  margin-block: 12px 0;
}

.page-about__capability-link {
  margin-block-start: 22px;
}

.page-about__data-panel {
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  color: var(--color-white);
  padding: 24px 18px;
  position: relative;
  overflow: hidden;
}

.page-about__data-panel::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(212, 168, 67, 0.28), transparent 70%);
}

.page-about__data-panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(212, 168, 67, 0.35);
  position: relative;
  z-index: 1;
}

.page-about__data-panel-label {
  font-family: var(--font-data);
  color: var(--color-gold);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
}

.page-about__data-panel-note {
  font-size: 0.74rem;
  color: var(--color-blue-light);
}

.page-about__data-list {
  margin: 6px 0 0;
  position: relative;
  z-index: 1;
}

.page-about__data-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding-block: 14px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.12);
}

.page-about__data-item:last-child {
  border-bottom: 0;
}

.page-about__data-item dt {
  color: var(--color-blue-light);
  font-size: 0.9rem;
}

.page-about__data-item dd {
  margin: 0;
  font-size: 0.92rem;
  color: var(--color-white);
  text-align: right;
}

.page-about__data-item dd strong {
  font-family: var(--font-data);
  font-size: 1.4rem;
  color: var(--color-gold);
  margin-inline-end: 6px;
}

.page-about__capability-figure {
  margin: 44px auto 0;
  max-width: 720px;
  background: var(--color-primary);
  padding: 12px 12px 8px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.page-about__capability-figure img {
  border-radius: calc(var(--radius-md) - 4px);
}

.page-about__capability-figure figcaption {
  color: var(--color-blue-light);
  font-size: 0.82rem;
  padding: 10px 4px 4px;
}

.page-about__milestones {
  background:
    radial-gradient(circle at 15% 12%, rgba(212, 168, 67, 0.15), transparent 34%),
    var(--color-primary-deep);
  color: var(--color-white);
  padding-block: var(--about-pad);
}

.page-about__milestones-head .section-title,
.page-about__milestones-head .section-intro {
  color: var(--color-white);
}

.page-about__milestones-head .section-intro {
  color: var(--color-blue-light);
}

.page-about__timeline-wrap {
  position: relative;
  max-width: 920px;
  margin: 56px auto 0;
}

.page-about__timeline-svg {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 9px;
  width: 2px;
  height: 100%;
}

.page-about__timeline {
  list-style: none;
  margin: 0;
  padding-inline-start: 40px;
}

.page-about__milestone {
  position: relative;
  padding-block-end: 34px;
}

.page-about__milestone:last-child {
  padding-block-end: 0;
}

.page-about__milestone::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 16px;
  width: 12px;
  height: 12px;
  background: var(--color-primary-deep);
  border: 3px solid var(--color-gold);
  transform: rotate(45deg);
  box-shadow: 0 0 0 3px rgba(212, 168, 67, 0.25);
}

.page-about__milestone-year {
  font-family: var(--font-heading);
  font-size: clamp(2.6rem, 5vw, 3.6rem);
  color: var(--color-gold);
  line-height: 1;
  letter-spacing: 0.06em;
}

.page-about__milestone-card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(212, 168, 67, 0.35);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: background var(--ease-base), border-color var(--ease-base), transform var(--ease-base);
}

.page-about__milestone:hover .page-about__milestone-card,
.page-about__milestone:focus-within .page-about__milestone-card {
  background: rgba(212, 168, 67, 0.12);
  border-color: var(--color-gold);
  transform: translateX(4px);
}

.page-about__milestone-card h3 {
  font-family: var(--font-body);
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--color-white);
  margin: 0 0 8px;
}

.page-about__milestone-card p {
  margin: 0 0 10px;
  color: var(--color-blue-light);
  font-size: 0.95rem;
}

.page-about__milestone-note {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--color-gold);
  border-inline-start: 3px solid var(--color-gold);
  padding-inline-start: 8px;
}

.page-about__team {
  background: var(--color-paper);
  padding-block: var(--about-pad);
}

.page-about__team-grid {
  display: grid;
  gap: 40px;
  align-items: center;
}

.page-about__team-copy .exhibit-tag {
  color: var(--color-red);
}

.page-about__team-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-primary);
  margin: 0.2em 0 0.3em;
  line-height: 1.15;
}

.page-about__team-copy > p {
  color: var(--color-ink);
  max-width: 60ch;
}

.page-about__assurance-list {
  list-style: none;
  margin: 24px 0;
  padding: 0;
  border-block: 1px solid rgba(26, 26, 26, 0.12);
}

.page-about__assurance-list li {
  display: grid;
  gap: 4px;
  padding-block: 14px;
  border-bottom: 1px dashed rgba(26, 26, 26, 0.15);
}

.page-about__assurance-list li:last-child {
  border-bottom: 0;
}

.page-about__assurance-list li span {
  font-family: var(--font-data);
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  color: var(--color-red);
}

.page-about__assurance-list li p {
  margin: 0;
  color: var(--color-ink);
  font-size: 0.95rem;
}

.page-about__team-figure {
  margin: 0;
  padding: 12px;
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.page-about__team-figure img {
  border-radius: calc(var(--radius-md) - 4px);
}

.page-about__team-link {
  margin-block-start: 8px;
}

.page-about__next {
  background:
    linear-gradient(135deg, rgba(212, 168, 67, 0.18) 0%, transparent 42%),
    var(--color-primary);
  color: var(--color-white);
  padding-block: var(--about-pad);
}

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

.page-about__next-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 26px 24px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(212, 168, 67, 0.4);
  border-radius: var(--radius-lg);
  color: var(--color-white);
  transition: background var(--ease-base), border-color var(--ease-base), transform var(--ease-base);
}

.page-about__next-card:hover,
.page-about__next-card:focus-visible {
  background: var(--color-gold);
  color: var(--color-ink);
  transform: translateY(-6px);
}

.page-about__next-kicker {
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: var(--color-gold);
}

.page-about__next-card:hover .page-about__next-kicker,
.page-about__next-card:focus-visible .page-about__next-kicker {
  color: var(--color-red);
}

.page-about__next-card strong {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  line-height: 1.2;
  color: inherit;
}

.page-about__next-card > span:last-child {
  font-size: 0.94rem;
  color: inherit;
  opacity: 0.85;
}

@media (min-width: 560px) {
  .page-about__assurance-list li {
    grid-template-columns: 160px 1fr;
  }
}

@media (min-width: 640px) {
  .page-about__toc-list {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 720px) {
  .page-about__timeline-wrap {
    padding-inline: 0;
  }

  .page-about__timeline-svg {
    left: 50%;
    transform: translateX(-50%);
  }

  .page-about__timeline {
    padding-inline-start: 0;
  }

  .page-about__milestone {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: clamp(40px, 8%, 96px);
    padding-inline: 0;
    padding-block-end: 44px;
  }

  .page-about__milestone::before {
    left: 50%;
    margin-left: -7px;
    top: 10px;
  }

  .page-about__milestone:nth-child(odd) .page-about__milestone-year {
    order: 1;
    justify-self: end;
    text-align: right;
  }

  .page-about__milestone:nth-child(odd) .page-about__milestone-card {
    order: 2;
    justify-self: start;
  }

  .page-about__milestone:nth-child(even) .page-about__milestone-year {
    order: 2;
    justify-self: start;
    text-align: left;
  }

  .page-about__milestone:nth-child(even) .page-about__milestone-card {
    order: 1;
    justify-self: end;
  }

  .page-about__milestone:hover .page-about__milestone-card,
  .page-about__milestone:focus-within .page-about__milestone-card {
    transform: translateY(-4px);
  }

  .page-about__next-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-about__next-card--home {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
  }
}

@media (min-width: 820px) {
  .page-about__team-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
  }
}

@media (min-width: 900px) {
  .page-about__story-inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 64px;
  }
}

@media (min-width: 940px) {
  .page-about__capability-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 56px;
  }
}