.page-about {
  --about-rail: 172px;
  --about-gap: clamp(1.75rem, 4.5vw, 3.25rem);
  --about-block: clamp(2.25rem, 5.5vw, 3.75rem);
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-about .about-hero {
  position: relative;
  padding-block: clamp(1.25rem, 3.5vw, 2rem) clamp(2.5rem, 6vw, 4.25rem);
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(212, 160, 23, .18), transparent 62%),
    linear-gradient(180deg, var(--paper), var(--cream) 88%);
  border-bottom: 1px solid var(--line-strong);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--red), var(--gold) 42%, var(--ink-green) 100%);
  opacity: .75;
}

.page-about .breadcrumbs {
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-about .about-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}

.page-about .about-hero-copy h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 5.4vw, 3.5rem);
  line-height: 1.24;
  letter-spacing: -.01em;
  margin: .5rem 0 1rem;
  color: var(--ink-green);
}

.page-about .about-lede {
  max-width: 34em;
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  color: var(--ink-soft);
  margin: 0 0 1.5rem;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1.75rem;
}

.page-about .about-hero-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: .875rem 1.25rem;
  margin: 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.page-about .about-hero-facts dt {
  font-size: .8125rem;
  color: var(--gold-deep);
  letter-spacing: .04em;
}

.page-about .about-hero-facts dd {
  margin: .2rem 0 0;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  color: var(--ink);
}

.page-about .about-hero-facts .mono {
  font-family: var(--font-mono);
  color: var(--red);
  font-weight: 600;
}

.page-about .about-hero-art {
  position: relative;
  border-radius: 220px 26px 220px 26px;
  overflow: hidden;
  box-shadow: 0 24px 48px -32px rgba(18, 61, 51, .55);
}

.page-about .about-hero-art::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid var(--line-gold);
  border-radius: 210px 18px 210px 18px;
  pointer-events: none;
  z-index: 2;
}

.page-about .about-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--about-gap);
  padding-block: clamp(2rem, 5vw, 3.25rem) clamp(2.5rem, 6vw, 4rem);
}

.page-about .about-rail {
  position: relative;
}

.page-about .rail-title {
  font-size: .75rem;
  letter-spacing: .22em;
  color: var(--gold-deep);
  margin: 0 0 .625rem;
}

.page-about .rail-list {
  list-style: none;
  margin: 0;
  padding: 0 0 .5rem;
  display: flex;
  gap: .5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-about .rail-list li {
  flex: 0 0 auto;
}

.page-about .rail-list a {
  display: flex;
  align-items: baseline;
  gap: .45rem;
  padding: .45rem .75rem;
  border: 1px solid var(--line-strong);
  border-radius: 2px 12px 12px 2px;
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-about .rail-list a:hover,
.page-about .rail-list a:focus-visible {
  background: var(--gold-light);
  border-color: var(--gold);
}

.page-about .rail-year {
  font-family: var(--font-mono);
  font-size: .8125rem;
  color: var(--red);
  font-weight: 600;
}

.page-about .rail-label {
  font-size: .8125rem;
  white-space: nowrap;
  color: var(--ink-soft);
}

.page-about .about-canvas {
  min-width: 0;
}

.page-about .about-section {
  scroll-margin-top: 6rem;
  padding-block: var(--about-block);
  border-top: 1px solid var(--line);
}

.page-about .about-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-section .section-title {
  font-family: var(--font-display);
  font-weight: 900;
  color: var(--ink-green);
  font-size: clamp(1.5rem, 3.2vw, 2.125rem);
  line-height: 1.3;
  margin: .35rem 0 0;
}

.page-about .about-section .section-lede {
  max-width: 38em;
  color: var(--ink-soft);
  margin: .875rem 0 0;
}

.page-about .about-prose {
  margin-top: 1.5rem;
  max-width: 40em;
}

.page-about .about-prose p {
  margin: 0 0 1.1rem;
  color: var(--ink-soft);
}

.page-about .about-prose p:first-child::first-letter {
  font-family: var(--font-display);
  font-size: 2.4em;
  line-height: .9;
  float: left;
  margin: .12em .18em 0 0;
  color: var(--red);
}

.page-about .about-prose--tight {
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  max-width: 42em;
}

.page-about .about-note {
  margin-top: 1.75rem;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--teal);
  background: linear-gradient(90deg, rgba(31, 111, 139, .08), transparent 85%);
  max-width: 40em;
}

.page-about .about-note-title {
  font-size: .75rem;
  letter-spacing: .2em;
  color: var(--teal);
  margin: 0 0 .4rem;
}

.page-about .about-note p:last-child {
  margin: 0;
  color: var(--ink-soft);
  font-size: .9375rem;
}

.page-about .principle-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.75rem;
}

.page-about .principle {
  padding: 1.35rem 1.4rem 1.5rem;
  border-radius: 26px 6px 26px 6px;
  transition: transform .24s var(--ease), box-shadow .24s var(--ease);
}

.page-about .principle:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 3px;
}

.page-about .principle-key {
  font-size: .75rem;
  letter-spacing: .16em;
  margin: 0 0 .6rem;
  opacity: .85;
}

.page-about .principle h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  margin: 0 0 .5rem;
  line-height: 1.35;
}

.page-about .principle-scene {
  font-size: .9375rem;
  margin: 0;
  max-height: 14rem;
  opacity: 1;
  overflow: hidden;
  transition: max-height .28s var(--ease), opacity .28s var(--ease);
}

.page-about .principle--red {
  background: linear-gradient(150deg, var(--red), var(--cinnabar));
  color: var(--paper);
}

.page-about .principle--red .principle-key {
  color: var(--gold-light);
}

.page-about .principle--gold {
  background: linear-gradient(150deg, var(--gold-light), var(--gold));
  color: #3B2403;
}

.page-about .principle--gold .principle-key {
  color: var(--gold-deep);
}

.page-about .principle--green {
  background: linear-gradient(150deg, var(--ink-green), #0C2C25);
  color: var(--cream);
}

.page-about .principle--green .principle-key {
  color: var(--gold-light);
}

.page-about .principle--cream {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line-strong);
}

.page-about .principle--cream .principle-key {
  color: var(--gold-deep);
}

.page-about .about-timeline-art {
  margin: 1.75rem 0 1.5rem;
  border-radius: 4px 24px 4px 24px;
}

.page-about .about-stages {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-about .stage {
  position: relative;
  scroll-margin-top: 6.5rem;
  padding: 1.25rem 1.25rem 1.35rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: 2px 16px 16px 2px;
}

.page-about .stage-year {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--red);
  line-height: 1;
  margin-bottom: .6rem;
}

.page-about .stage h3 {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 800;
  margin: 0 0 .5rem;
  color: var(--ink-green);
  line-height: 1.4;
}

.page-about .stage p {
  margin: 0;
  font-size: .9375rem;
  color: var(--ink-soft);
}

.page-about .team-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1.75rem;
}

.page-about .team-art {
  margin: 0;
  border-radius: 24px 4px 24px 4px;
}

.page-about .tab-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-about .tab-labels {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1rem;
}

.page-about .tab-label {
  cursor: pointer;
  padding: .5rem .9rem;
  font-size: .875rem;
  font-weight: 500;
  color: var(--ink-green);
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-about .tab-label:hover {
  border-color: var(--gold);
  background: var(--gold-light);
}

.page-about #about-team-a:focus-visible ~ .tab-labels .tab-label[for="about-team-a"],
.page-about #about-team-b:focus-visible ~ .tab-labels .tab-label[for="about-team-b"],
.page-about #about-team-c:focus-visible ~ .tab-labels .tab-label[for="about-team-c"] {
  outline: 3px solid var(--teal);
  outline-offset: 2px;
}

.page-about #about-team-a:checked ~ .tab-labels .tab-label[for="about-team-a"],
.page-about #about-team-b:checked ~ .tab-labels .tab-label[for="about-team-b"],
.page-about #about-team-c:checked ~ .tab-labels .tab-label[for="about-team-c"] {
  background: var(--ink-green);
  border-color: var(--ink-green);
  color: var(--cream);
}

.page-about .team-panel {
  display: none;
  padding: 1.35rem 1.4rem 1.5rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--red);
  border-radius: 2px 2px 18px 18px;
}

.page-about #about-team-a:checked ~ .tab-panels > .team-panel:nth-child(1),
.page-about #about-team-b:checked ~ .tab-panels > .team-panel:nth-child(2),
.page-about #about-team-c:checked ~ .tab-panels > .team-panel:nth-child(3) {
  display: block;
  animation: about-fade .26s var(--ease) both;
}

.page-about .team-panel h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--ink-green);
  margin: 0 0 .6rem;
}

.page-about .team-panel p {
  margin: 0;
  font-size: .9375rem;
  color: var(--ink-soft);
}

@keyframes about-fade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-about .about-promise {
  background:
    radial-gradient(90% 120% at 12% 0%, rgba(212, 160, 23, .18), transparent 55%),
    linear-gradient(160deg, var(--ink-green), #0B2A24);
  color: var(--cream);
  padding-block: clamp(2.5rem, 6.5vw, 4.5rem);
  border-top: 3px solid var(--gold);
}

.page-about .promise-eyebrow {
  color: var(--gold-light);
}

.page-about .promise-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.4vw, 2.25rem);
  line-height: 1.3;
  color: var(--cream);
  margin: .35rem 0 0;
}

.page-about .promise-lede {
  max-width: 36em;
  color: rgba(247, 241, 227, .8);
  margin: .875rem 0 0;
}

.page-about .promise-list {
  list-style: none;
  counter-reset: promise;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-about .promise-list li {
  counter-increment: promise;
  position: relative;
  padding: 0 0 0 3rem;
}

.page-about .promise-list li::before {
  content: counter(promise, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .1rem;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: .8125rem;
  font-weight: 700;
  color: var(--ink-green);
  background: var(--gold-light);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(212, 160, 23, .22);
}

.page-about .promise-list h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 800;
  margin: 0 0 .45rem;
  color: var(--gold-light);
}

.page-about .promise-list p {
  margin: 0;
  font-size: .9375rem;
  color: rgba(247, 241, 227, .82);
}

.page-about .promise-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem .875rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(241, 212, 138, .3);
}

.page-about .promise-link {
  display: inline-block;
  padding: .6rem 1.05rem;
  font-size: .9375rem;
  color: var(--cream);
  text-decoration: none;
  border: 1px solid rgba(241, 212, 138, .55);
  border-radius: 999px;
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-about .promise-link:hover,
.page-about .promise-link:focus-visible {
  background: var(--gold-light);
  border-color: var(--gold-light);
  color: var(--ink-green);
}

.page-about .promise-link:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 2px;
}

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

@media (min-width: 640px) {
  .page-about .promise-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem 2rem;
  }
}

@media (min-width: 760px) {
  .page-about .principle-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-about .principle:nth-child(1) { grid-column: span 4; }
  .page-about .principle:nth-child(2) { grid-column: span 2; border-radius: 6px 26px 6px 26px; }
  .page-about .principle:nth-child(3) { grid-column: span 2; border-radius: 26px 6px 6px 26px; }
  .page-about .principle:nth-child(4) { grid-column: span 4; }

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

  .page-about .team-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 860px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }
}

@media (min-width: 900px) {
  .page-about .about-shell {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
  }

  .page-about .about-rail {
    position: sticky;
    top: 6.5rem;
    align-self: start;
    max-height: calc(100vh - 8rem);
    overflow-y: auto;
  }

  .page-about .rail-list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .rail-list li {
    position: relative;
    margin-bottom: .35rem;
  }

  .page-about .rail-list a {
    border: 0;
    border-left: 2px solid var(--line-strong);
    border-radius: 0 10px 10px 0;
    background: transparent;
    padding: .4rem .6rem .4rem .75rem;
  }

  .page-about .rail-list a:hover,
  .page-about .rail-list a:focus-visible {
    border-left-color: var(--red);
    background: rgba(212, 160, 23, .16);
  }

  .page-about .rail-list a {
    display: block;
  }

  .page-about .rail-year {
    display: block;
    font-size: .9375rem;
    line-height: 1.2;
  }

  .page-about .rail-label {
    display: block;
    font-size: .75rem;
    color: var(--gold-deep);
    white-space: normal;
  }

  .page-about .team-layout {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: start;
    gap: 1.75rem;
  }
}

@media (hover: hover) and (pointer: fine) {
  .page-about .principle-scene {
    max-height: 0;
    opacity: 0;
  }

  .page-about .principle:hover .principle-scene,
  .page-about .principle:focus-within .principle-scene,
  .page-about .principle:focus .principle-scene {
    max-height: 14rem;
    opacity: 1;
  }

  .page-about .principle:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 34px -26px rgba(18, 61, 51, .6);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .principle,
  .page-about .principle-scene,
  .page-about .rail-list a,
  .page-about .tab-label,
  .page-about .promise-link {
    transition: none;
  }

  .page-about #about-team-a:checked ~ .tab-panels > .team-panel:nth-child(1),
  .page-about #about-team-b:checked ~ .tab-panels > .team-panel:nth-child(2),
  .page-about #about-team-c:checked ~ .tab-panels > .team-panel:nth-child(3) {
    animation: none;
  }

  .page-about .principle:hover {
    transform: none;
  }
}
<<<END>>>