.page-about {
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(53, 242, 200, 0.16), transparent 62%),
    radial-gradient(90% 60% at 0% 34%, rgba(255, 138, 61, 0.08), transparent 66%),
    var(--pitch-deep);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: hidden;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-about * {
  box-sizing: border-box;
}

.page-about p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
  max-width: 68ch;
}

.page-about a {
  color: var(--cyan);
  text-decoration: none;
}

/* ---------- hero ---------- */
.page-about .ab-hero {
  position: relative;
  padding: clamp(20px, 4vw, 40px) 0 clamp(36px, 6vw, 72px);
  border-bottom: 1px solid var(--line);
}

.page-about .ab-hero__shell {
  position: relative;
}

.page-about .ms-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(24px, 4vw, 44px);
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-about .ms-breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-about .ms-breadcrumb a {
  color: var(--mist);
}

.page-about .ms-breadcrumb a:hover {
  color: var(--cyan);
}

.page-about .ms-breadcrumb__current {
  color: var(--mint);
}

.page-about .ab-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: end;
}

.page-about .ab-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 8.6vw, 78px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-about .ab-hero h1 em {
  display: block;
  font-style: normal;
  color: var(--cyan);
}

.page-about .ab-hero__lead {
  margin: 22px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mint);
  max-width: 46ch;
}

.page-about .ab-hero__index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
}

.page-about .ab-hero__index a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  color: var(--mist);
  padding-bottom: 3px;
  border-bottom: 1px dotted var(--line);
}

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

.page-about .ab-hero__index .ms-num {
  font-family: var(--font-numeric);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--board-green);
  filter: brightness(1.8);
}

.page-about .ab-hero__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-slab);
  background: var(--tunnel-green);
}

.page-about .ab-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(90deg, rgba(53, 242, 200, 0.09) 0 1px, transparent 1px 46px),
    linear-gradient(200deg, rgba(5, 42, 36, 0) 45%, rgba(5, 42, 36, 0.86) 100%);
}

.page-about .ab-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-about .ab-hero__media figcaption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  z-index: 1;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mint);
}

/* ---------- .page-about layout ---------- */
.page-about .ab-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 56px);
  padding-top: clamp(10px, 3vw, 24px);
}

.page-about .ab-index {
  display: none;
}

/* ---------- section blocks ---------- */
.page-about .ab-sections {
  min-width: 0;
}

.page-about .ab-block {
  padding: clamp(34px, 6vw, 72px) 0;
  border-top: 1px solid rgba(45, 107, 93, 0.55);
}

.page-about .ab-block:first-child {
  border-top: 0;
  padding-top: clamp(24px, 4vw, 44px);
}

.page-about .ab-block__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-about .ab-idx {
  flex: none;
  font-family: var(--font-numeric);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 2px 10px 2px 2px;
  background: rgba(15, 91, 76, 0.4);
}

.page-about .ab-block h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 5vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-about .ab-block h3 {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 3.4vw, 24px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-about .ab-block__lead {
  color: var(--mint);
  font-size: 17px;
}

.page-about .ab-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .ms-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--mint);
  background: rgba(15, 91, 76, 0.35);
}

/* ---------- value cards ---------- */
.page-about .ab-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: clamp(20px, 3vw, 30px);
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 4px 20px 4px 4px;
  overflow: hidden;
}

.page-about .ab-card {
  padding: 22px 20px 24px;
  background: linear-gradient(160deg, var(--tunnel-green), rgba(5, 42, 36, 0.92));
  transition: background 0.25s ease;
}

.page-about .ab-card:hover {
  background: linear-gradient(160deg, var(--board-green), var(--tunnel-green));
}

.page-about .ab-card__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-about .ab-card__meta .ms-num {
  font-family: var(--font-numeric);
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--cyan);
  margin-right: 4px;
}

.page-about .ab-card p {
  font-size: 15px;
  line-height: 1.75;
  margin-bottom: 10px;
}

.page-about .ab-card__link,
.page-about .ab-inline-link {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--orange);
  border-bottom: 1px solid rgba(255, 138, 61, 0.45);
  padding-bottom: 2px;
}

.page-about .ab-card__link:hover,
.page-about .ab-inline-link:hover,
.page-about .ab-card__link:focus-visible,
.page-about .ab-inline-link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ---------- timeline ---------- */
.page-about .ab-band {
  position: relative;
  margin: 0 0 clamp(26px, 4vw, 40px);
  overflow: hidden;
  border-radius: 4px 22px 4px 4px;
  background: var(--board-green);
}

.page-about .ab-band::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(5, 42, 36, 0.1), rgba(5, 42, 36, 0.82));
}

.page-about .ab-band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 3;
  object-fit: cover;
}

.page-about .ab-band figcaption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 12px;
  z-index: 1;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mint);
}

.page-about .ab-timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 26px;
  list-style: none;
  display: grid;
  gap: clamp(22px, 3vw, 32px);
}

.page-about .ab-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(53, 242, 200, 0.05));
}

.page-about .ab-timeline li {
  position: relative;
}

.page-about .ab-timeline li::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 9px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--cyan);
  background: var(--pitch-deep);
}

.page-about .ab-timeline__year {
  margin: 0;
  font-family: var(--font-numeric);
  font-size: clamp(20px, 3.6vw, 26px);
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-about .ab-timeline h3 {
  margin: 4px 0 6px;
}

.page-about .ab-timeline p {
  font-size: 15px;
  margin-bottom: 0;
}

/* ---------- split (team) ---------- */
.page-about .ab-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
}

.page-about .ab-split__media {
  margin: 0;
  overflow: hidden;
  border-radius: 18px 4px 4px 4px;
  background: var(--tunnel-green);
}

.page-about .ab-split__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-about .ab-split__media figcaption {
  padding: 10px 14px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid var(--line);
}

/* ---------- stats ---------- */
.page-about .ab-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(22px, 4vw, 34px) 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 4px 20px 4px 4px;
  overflow: hidden;
}

.page-about .ab-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 16px 20px;
  background: var(--tunnel-green);
}

.page-about .ab-stat__num {
  font-family: var(--font-numeric);
  font-size: clamp(30px, 6vw, 44px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-about .ab-stat__label {
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
}

.page-about .ab-stat__note {
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .ab-stats[data-reveal] .ab-stat {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.page-about .ab-stats[data-reveal].is-visible .ab-stat {
  opacity: 1;
  transform: none;
}

.page-about .ab-stats[data-reveal].is-visible .ab-stat:nth-child(2) {
  transition-delay: 0.06s;
}

.page-about .ab-stats[data-reveal].is-visible .ab-stat:nth-child(3) {
  transition-delay: 0.12s;
}

.page-about .ab-stats[data-reveal].is-visible .ab-stat:nth-child(4) {
  transition-delay: 0.18s;
}

/* ---------- honors ---------- */
.page-about .ab-honors {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 3vw, 24px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .ab-honor {
  padding: 18px 18px 20px;
  border-left: 2px solid var(--cyan);
  background: linear-gradient(90deg, rgba(15, 91, 76, 0.55), rgba(15, 91, 76, 0));
  border-radius: 0 14px 14px 0;
}

.page-about .ab-honor h3 {
  margin: 10px 0 6px;
}

.page-about .ab-honor p {
  margin: 0;
  font-size: 15px;
}

/* ---------- next steps ---------- */
.page-about .ab-next-section {
  padding: clamp(34px, 6vw, 66px) 0 clamp(8px, 2vw, 16px);
  border-top: 1px solid var(--line);
}

.page-about .ab-next__title {
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.6vw, 38px);
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-about .ab-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-about .ab-next__link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 18px 20px;
  background: rgba(11, 58, 49, 0.75);
  border: 1px solid var(--line);
  border-radius: 4px 16px 4px 4px;
  transition: border-color 0.22s ease, background 0.22s ease, transform 0.22s ease;
}

.page-about .ab-next__link:hover,
.page-about .ab-next__link:focus-visible {
  border-color: var(--cyan);
  background: rgba(15, 91, 76, 0.7);
  transform: translateY(-2px);
}

.page-about .ab-next__kicker {
  font-family: var(--font-numeric);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-about .ab-next__label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--white);
}

.page-about .ab-next__hint {
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .ab-next__foot {
  margin: 22px 0 0;
  font-size: 13px;
  color: var(--mist);
}

.page-about .ab-next__foot a {
  color: var(--mint);
  border-bottom: 1px solid var(--line);
}

.page-about .ab-next__foot a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- media queries ---------- */
@media (min-width: 640px) {
  .page-about .ab-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 860px) {
  .page-about .ab-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-about .ab-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

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

  .page-about .ab-timeline {
    padding-left: 34px;
  }

  .page-about .ab-timeline li::before {
    left: -34px;
  }
}

@media (min-width: 1024px) {
  .page-about .ab-body {
    grid-template-columns: minmax(0, 1fr) 190px;
    align-items: start;
  }

  .page-about .ab-index {
    display: block;
    position: sticky;
    top: 104px;
    order: 2;
    padding-top: clamp(24px, 4vw, 44px);
  }

  .page-about .ab-index__title {
    margin: 0 0 14px;
    font-size: 11px;
    letter-spacing: 0.14em;
    color: var(--mist);
    text-transform: uppercase;
  }

  .page-about .ab-index__list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 2px;
    border-left: 1px solid var(--line);
  }

  .page-about .ab-index__link {
    display: block;
    padding: 7px 0 7px 12px;
    margin-left: -1px;
    font-size: 12.5px;
    letter-spacing: 0.02em;
    color: var(--mist);
    border-left: 2px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
  }

  .page-about .ab-index__link:hover,
  .page-about .ab-index__link:focus-visible {
    color: var(--mint);
  }

  .page-about .ab-index__link.is-active {
    color: var(--cyan);
    border-left-color: var(--cyan);
  }

  .page-about .ab-block h2 {
    max-width: 22ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-stats[data-reveal] .ab-stat {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-about .ab-next__link {
    transition: none;
  }
}
<<<END>>>