.page-about {
  --about-line: var(--line);
  --about-quiet: rgba(154, 163, 184, 0.55);
}

/* ---------- breadcrumb spacing ---------- */
.page-about .breadcrumb {
  padding-top: 24px;
}

/* ---------- hero ---------- */
.page-about .about-hero {
  position: relative;
  padding: 32px 0 48px;
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: min(180px, 40%);
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.page-about .about-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--text);
  transform: skewX(-2deg);
  text-shadow: 0 0 26px rgba(212, 160, 23, 0.22);
}

.page-about .about-hero__lede {
  margin: 20px 0 0;
  max-width: 720px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-2);
}

.page-about .about-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 40px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-about .about-hero__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--gold-hi);
  letter-spacing: 0.02em;
}

.page-about .about-hero__label {
  font-size: 13px;
  color: var(--text-2);
  letter-spacing: 0.04em;
}

/* ---------- two column grid ---------- */
.page-about .about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding: 44px 0 88px;
}

/* ---------- sticky index ---------- */
.page-about .about-index {
  align-self: start;
}

.page-about .about-index__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

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

.page-about .about-index__list li + li {
  margin-top: 2px;
}

.page-about .about-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 0 8px 14px;
  font-size: 14px;
  color: var(--text-2);
  text-decoration: none;
  border-left: 1px solid transparent;
  margin-left: -1px;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-about .about-index__list a:hover,
.page-about .about-index__list a:focus-visible {
  color: var(--text);
  border-left-color: var(--cyan);
  background: rgba(0, 229, 208, 0.05);
  outline: none;
}

.page-about .about-index__list .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.06em;
}

.page-about .about-index__note {
  margin: 20px 0 0;
  padding-left: 14px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--about-quiet);
}

/* ---------- sections ---------- */
.page-about .about-section + .about-section {
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid var(--about-line);
}

.page-about .about-section .section-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.25;
  color: var(--text);
  transform: skewX(-1.5deg);
}

.page-about .about-section__lede {
  margin-top: 16px;
  max-width: 640px;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.8;
}

.page-about .sub-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--text);
}

/* ---------- split blocks ---------- */
.page-about .about-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: 28px;
}

.page-about .about-split .media-frame {
  margin: 0;
}

.page-about .about-section .prose p {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-2);
}

.page-about .about-section .prose p + p {
  margin-top: 16px;
}

.page-about .about-section .prose h3 {
  margin-bottom: 12px;
}

/* ---------- flow list ---------- */
.page-about .flow-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 28px 0 32px;
  padding: 0;
  list-style: none;
  background: var(--about-line);
  border: 1px solid var(--about-line);
}

.page-about .flow-item {
  position: relative;
  padding: 22px 20px 22px 22px;
  background: var(--panel);
  transition: background 160ms var(--ease);
}

.page-about .flow-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--gold), rgba(212, 160, 23, 0));
  opacity: 0;
  transition: opacity 160ms var(--ease);
}

.page-about .flow-item:hover {
  background: var(--panel-2);
}

.page-about .flow-item:hover::before {
  opacity: 1;
}

.page-about .flow-item__idx {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-about .flow-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-2);
}

/* ---------- milestone ---------- */
.page-about .about-milestone__hero {
  margin: 28px 0 36px;
}

.page-about .milestone-list {
  position: relative;
  margin: 0;
  padding: 0 0 0 22px;
  list-style: none;
}

.page-about .milestone-list::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), var(--cyan) 45%, rgba(0, 229, 208, 0.1));
}

.page-about .milestone-item {
  position: relative;
  padding-bottom: 30px;
}

.page-about .milestone-item:last-child {
  padding-bottom: 0;
}

.page-about .milestone-item::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 7px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 10px rgba(242, 199, 74, 0.5);
}

.page-about .milestone-year {
  display: block;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--gold-hi);
}

.page-about .milestone-body {
  margin-top: 6px;
}

.page-about .milestone-body p {
  margin: 0;
  max-width: 640px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-2);
}

/* ---------- role grid ---------- */
.page-about .role-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .role-card {
  position: relative;
  padding: 22px 20px 18px;
  border: 1px solid var(--about-line);
  background: linear-gradient(180deg, var(--panel) 0%, rgba(19, 24, 38, 0.4) 100%);
  transition: transform 160ms var(--ease), border-color 160ms var(--ease);
}

.page-about .role-card:hover,
.page-about .role-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--gold);
}

.page-about .role-card__idx {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-about .role-card__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-2);
}

.page-about .role-card__duty {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--about-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--about-quiet);
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 200ms var(--ease), max-height 200ms var(--ease);
}

.page-about .role-card:hover .role-card__duty,
.page-about .role-card:focus-within .role-card__duty {
  opacity: 1;
  max-height: 120px;
}

/* ---------- quote ---------- */
.page-about .about-quote {
  margin: 0;
  padding: 18px 20px 18px 22px;
  border-left: 3px solid var(--gold);
  background: rgba(212, 160, 23, 0.05);
}

.page-about .about-quote p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
  font-style: normal;
}

/* ---------- extend links ---------- */
.page-about .about-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 26px;
  background: var(--about-line);
  border: 1px solid var(--about-line);
}

.page-about .about-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  background: var(--panel);
  text-decoration: none;
  transition: background 160ms var(--ease), padding-left 160ms var(--ease);
}

.page-about .about-link:hover,
.page-about .about-link:focus-visible {
  background: var(--panel-2);
  padding-left: 26px;
  outline: none;
}

.page-about .about-link .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .about-link__title {
  font-size: 15px;
  color: var(--text);
  line-height: 1.6;
}

/* ---------- media frame tweaks scoped ---------- */
.page-about .media-frame {
  overflow: hidden;
  border: 1px solid var(--about-line);
  background: var(--panel);
}

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

.page-about .media-frame__caption {
  padding: 12px 16px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-2);
  border-top: 1px solid var(--about-line);
}

/* ---------- reveal ---------- */
.page-about [data-reveal] {
  opacity: 0;
  transform: translateY(6px);
}

.page-about [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  transition: opacity 120ms var(--ease), transform 120ms var(--ease);
}

/* ---------- responsive ---------- */
@media (min-width: 720px) {
  .page-about .about-hero {
    padding: 48px 0 60px;
  }

  .page-about .about-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: 40px;
    align-items: start;
  }

  .page-about .about-split--reverse {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
  }

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

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

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

  .page-about .role-card__duty {
    opacity: 1;
    max-height: 140px;
  }
}

@media (min-width: 960px) {
  .page-about .about-grid {
    grid-template-columns: minmax(0, 196px) minmax(0, 1fr);
    gap: 64px;
    padding-top: 56px;
  }

  .page-about .about-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

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

@media (max-width: 480px) {
  .page-about .about-hero__meta {
    gap: 10px 24px;
  }

  .page-about .about-hero__num {
    font-size: 22px;
  }

  .page-about .about-grid {
    padding-bottom: 64px;
  }

  .page-about .flow-item,
  .page-about .role-card {
    padding-left: 16px;
    padding-right: 16px;
  }
}

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

  .page-about .role-card,
  .page-about .about-link,
  .page-about .flow-item {
    transition: none;
  }

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