.page-about {
  --about-rail-width: 240px;
  --about-text-dim: rgba(245, 243, 239, 0.72);
  --about-line: rgba(168, 218, 220, 0.16);

  background: linear-gradient(180deg, var(--green-950) 0%, var(--green-900) 40%, var(--green-950) 100%);
  color: var(--cream-100);
  padding-bottom: var(--space-3xl);
  min-height: 100vh;
}

.page-about .breadcrumbs {
  margin-bottom: var(--space-xl);
}

.page-about .breadcrumbs a {
  color: var(--ice-300);
}

.page-about .breadcrumbs li[aria-current="page"] {
  color: var(--gold-300);
}

.page-about .about-hero {
  position: relative;
  margin-bottom: var(--space-2xl);
  padding: var(--space-2xl) 0 var(--space-xl);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 100%;
  background:
    linear-gradient(135deg, rgba(168, 218, 220, 0.06) 25%, transparent 25%) -12px 0 / 32px 32px,
    linear-gradient(225deg, rgba(168, 218, 220, 0.06) 25%, transparent 25%) -12px 0 / 32px 32px;
  pointer-events: none;
}

.page-about .about-hero__inner {
  display: grid;
  gap: var(--space-2xl);
  position: relative;
  z-index: 1;
}

.page-about .about-hero__mark {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.page-about .about-hero__mark .section-kicker {
  margin: 0;
  color: var(--gold-500);
}

.page-about .about-hero__title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  line-height: 1.2;
  margin: var(--space-md) 0;
  letter-spacing: 0.01em;
  color: var(--cream-100);
}

.page-about .about-hero__lead {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--about-text-dim);
  max-width: 56ch;
  margin: 0;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--about-line);
  border: 1px solid var(--about-line);
  margin: 0;
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
}

.page-about .about-stat {
  background: rgba(7, 31, 24, 0.85);
  padding: var(--space-lg) var(--space-md);
  margin: 0;
}

.page-about .about-stat dt {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--about-text-dim);
  margin-bottom: var(--space-xs);
}

.page-about .about-stat dd {
  margin: 0;
  font-family: var(--font-data);
  font-size: 1.5rem;
  color: var(--gold-300);
  font-weight: 700;
}

.page-about .about-hero__actions .btn-outline {
  border-color: rgba(168, 218, 220, 0.35);
  color: var(--ice-300);
}

.page-about .about-hero__actions .btn-outline:hover,
.page-about .about-hero__actions .btn-outline:focus-visible {
  border-color: var(--gold-500);
  color: var(--gold-300);
}

.page-about .about-layout {
  display: grid;
  gap: var(--space-2xl);
  border-top: 1px solid var(--about-line);
  padding-top: var(--space-xl);
}

.page-about .about-rail {
  display: none;
}

.page-about .about-rail__eyebrow {
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--about-text-dim);
  margin: 0 0 var(--space-sm);
}

.page-about .about-rail__chapters {
  display: grid;
  gap: 2px;
  margin-bottom: var(--space-lg);
}

.page-about .about-rail__link {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
  color: rgba(245, 243, 239, 0.7);
  text-decoration: none;
  font-size: 0.9rem;
  border-bottom: 1px solid rgba(168, 218, 220, 0.08);
  transition: color var(--ease), padding-left var(--ease);
}

.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible {
  color: var(--gold-300);
  padding-left: 6px;
}

.page-about .about-rail__num {
  font-family: var(--font-data);
  font-size: 0.74rem;
  color: var(--gold-500);
}

.page-about .about-rail__divider {
  height: 1px;
  background: rgba(168, 218, 220, 0.14);
  margin: var(--space-lg) 0;
}

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

.page-about .about-rail__timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: rgba(168, 218, 220, 0.18);
}

.page-about .about-rail__timeline li a {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
  color: rgba(245, 243, 239, 0.62);
  text-decoration: none;
  font-family: var(--font-data);
  font-size: 0.82rem;
  transition: color var(--ease);
}

.page-about .about-rail__timeline li a::before {
  content: "";
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  border: 1px solid rgba(168, 218, 220, 0.28);
  background: var(--green-900);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  transition: background var(--ease), border-color var(--ease);
}

.page-about .about-rail__timeline li a:hover,
.page-about .about-rail__timeline li a:focus-visible {
  color: var(--gold-300);
}

.page-about .about-rail__timeline li a:hover::before,
.page-about .about-rail__timeline li a:focus-visible::before {
  background: var(--gold-500);
  border-color: var(--gold-500);
}

.page-about .about-rail__ver {
  color: var(--gold-500);
  font-family: var(--font-data);
  font-size: 0.9rem;
}

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

.page-about .about-story .section + .section {
  margin-top: var(--space-3xl);
}

.page-about .about-start,
.page-about .about-milestone,
.page-about .about-team,
.page-about .about-credential,
.page-about .about-milestone__item {
  scroll-margin-top: calc(var(--header-offset) + var(--space-lg));
}

.page-about .section-head {
  margin-bottom: var(--space-lg);
}

.page-about .section-kicker {
  font-family: var(--font-data);
  letter-spacing: 0.16em;
  color: var(--gold-500);
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}

.page-about .section-title {
  font-family: var(--font-head);
  font-size: 1.8rem;
  line-height: 1.2;
  color: var(--cream-100);
  margin: 0;
}

.page-about .section-desc {
  color: var(--about-text-dim);
  line-height: 1.8;
  max-width: 60ch;
  margin: var(--space-sm) 0 0;
}

.page-about .about-start__grid {
  display: grid;
  gap: var(--space-xl);
  margin-top: var(--space-lg);
}

.page-about .about-start__copy p {
  margin-bottom: var(--space-md);
  line-height: 1.9;
  color: var(--about-text-dim);
}

.page-about .about-start__copy p:last-of-type {
  margin-bottom: 0;
}

.page-about .about-start__highlights {
  list-style: none;
  margin: var(--space-lg) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-sm);
}

.page-about .about-start__highlights li {
  display: flex;
  gap: var(--space-sm);
  align-items: baseline;
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.04);
  border-left: 2px solid var(--gold-500);
  color: rgba(245, 243, 239, 0.88);
  font-size: 0.95rem;
  line-height: 1.6;
}

.page-about .about-milestone__list {
  list-style: none;
  margin: var(--space-lg) 0 0;
  padding: 0;
  position: relative;
}

.page-about .about-milestone__list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: var(--space-md);
  bottom: var(--space-md);
  width: 1px;
  background: rgba(230, 180, 34, 0.18);
}

.page-about .about-milestone__item {
  position: relative;
  padding: var(--space-lg) 0 var(--space-lg) 30px;
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-milestone__item:last-child {
  border-bottom: none;
}

.page-about .about-milestone__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: var(--space-lg);
  width: 11px;
  height: 11px;
  background: var(--green-900);
  border: 1px solid var(--gold-500);
  transform: rotate(45deg);
  transition: background var(--ease), border-color var(--ease);
}

.page-about .about-milestone__item:hover::before,
.page-about .about-milestone__item:focus-within::before {
  background: var(--gold-500);
}

.page-about .about-milestone__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-sm);
}

.page-about .about-version {
  font-family: var(--font-data);
  font-size: 0.92rem;
  color: var(--gold-500);
  padding: 2px var(--space-sm);
  border: 1px solid rgba(230, 180, 34, 0.3);
  background: rgba(230, 180, 34, 0.08);
}

.page-about .about-version__name {
  font-size: 0.85rem;
  color: var(--about-text-dim);
  font-family: var(--font-data);
}

.page-about .about-milestone__body h3 {
  font-size: 1.08rem;
  margin: 0 0 var(--space-xs);
  color: var(--cream-100);
  font-weight: 700;
  line-height: 1.4;
}

.page-about .about-milestone__body p {
  line-height: 1.8;
  color: var(--about-text-dim);
  margin: 0;
}

.page-about .about-milestone__chart {
  margin-top: var(--space-xl);
}

.page-about .about-team__grid {
  display: grid;
  gap: var(--space-xl);
  margin-top: var(--space-lg);
}

.page-about .about-team__roles {
  display: grid;
  gap: var(--space-md);
}

.page-about .about-role {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--about-line);
  padding: var(--space-lg);
  position: relative;
}

.page-about .about-role::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 28px;
  height: 28px;
  background: var(--green-950);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
}

.page-about .about-role h3 {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 var(--space-xs);
  color: var(--cream-100);
}

.page-about .about-role__num {
  font-family: var(--font-data);
  font-size: 1.8rem;
  color: var(--gold-300);
  margin: 0 0 var(--space-sm);
  line-height: 1.2;
}

.page-about .about-role p:last-child {
  margin: 0;
  color: var(--about-text-dim);
  line-height: 1.8;
  font-size: 0.95rem;
}

.page-about .about-team__contact {
  margin: var(--space-lg) 0 0;
  line-height: 1.8;
  color: var(--about-text-dim);
}

.page-about .about-team__contact a {
  color: var(--gold-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-team__contact a:hover,
.page-about .about-team__contact a:focus-visible {
  color: var(--gold-500);
}

.page-about .about-team__media {
  margin-top: var(--space-sm);
}

.page-about .about-credential__grid {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.page-about .about-credential__item {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--about-line);
  padding: var(--space-lg);
  position: relative;
}

.page-about .about-credential__item::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 32px;
  height: 32px;
  background: var(--green-950);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
}

.page-about .about-credential__item h3 {
  font-size: 1.02rem;
  margin: 0 0 var(--space-sm);
  color: var(--gold-300);
  font-family: var(--font-data);
  letter-spacing: 0.05em;
}

.page-about .about-credential__item p {
  margin: 0;
  line-height: 1.8;
  color: var(--about-text-dim);
  font-size: 0.94rem;
}

.page-about .about-credential__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.page-about .about-credential__cta .btn-outline {
  border-color: rgba(168, 218, 220, 0.35);
  color: var(--ice-300);
}

.page-about .about-credential__cta .btn-outline:hover,
.page-about .about-credential__cta .btn-outline:focus-visible {
  border-color: var(--gold-500);
  color: var(--gold-300);
}

.page-about .media-frame {
  border: 1px solid var(--about-line);
  background:
    repeating-linear-gradient(45deg, rgba(168, 218, 220, 0.07) 0, rgba(168, 218, 220, 0.07) 1px, transparent 1px, transparent 18px),
    var(--green-800);
}

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

@media (min-width: 768px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: stretch;
  }

  .page-about .about-hero__title {
    font-size: clamp(2.2rem, 3.6vw, 3rem);
  }

  .page-about .about-start__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }

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

  .page-about .about-milestone__item {
    padding-left: 44px;
  }

  .page-about .about-milestone__list::before {
    left: 9px;
  }

  .page-about .about-milestone__item::before {
    left: 4px;
  }

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

@media (min-width: 1024px) {
  .page-about .about-layout {
    grid-template-columns: var(--about-rail-width) minmax(0, 1fr);
    gap: var(--space-2xl);
    align-items: start;
  }

  .page-about .about-rail {
    display: block;
    position: sticky;
    top: calc(var(--header-offset) + var(--space-lg));
    padding-bottom: var(--space-2xl);
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-about .about-team__media {
    margin-top: 0;
  }
}