.page-about {
  --about-panel-shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --about-soft-line: rgba(159, 179, 168, 0.2);
  background: var(--c-bg);
  color: var(--c-white);
  overflow: clip;
  scroll-behavior: smooth;
}

.page-about .about-hero {
  position: relative;
  padding: clamp(20px, 4vw, 32px) 0 clamp(48px, 7vw, 84px);
  background:
    radial-gradient(circle at 82% 18%, rgba(200, 255, 61, 0.13), transparent 34%),
    linear-gradient(135deg, var(--c-bg) 0%, var(--c-bg-1) 62%, var(--c-bg-2) 100%);
  border-bottom: 1px solid var(--c-line);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(135deg, transparent 0 28px, rgba(200, 255, 61, 0.035) 28px 29px);
  mask-image: linear-gradient(90deg, transparent, #000 78%);
}

.page-about .about-hero .container {
  position: relative;
  z-index: 1;
}

.page-about .breadcrumbs {
  margin-bottom: clamp(28px, 5vw, 52px);
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 6vw, 56px);
  align-items: end;
}

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

.page-about .about-hero__title {
  margin: 12px 0 24px;
  font-family: var(--font-display);
  font-size: clamp(46px, 11.5vw, 104px);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.page-about .about-hero__accent {
  color: var(--c-lime);
}

.page-about .about-hero__lede {
  max-width: 66ch;
  margin: 0;
  color: var(--c-white);
  font-size: clamp(16px, 2.2vw, 19px);
  line-height: 1.82;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about .about-hero__panel {
  min-width: 0;
  padding: 24px;
  background: linear-gradient(150deg, rgba(18, 46, 36, 0.96), rgba(11, 31, 24, 0.92));
  border: 1px solid var(--c-line);
  box-shadow: var(--about-panel-shadow);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-about .about-hero__panel-label {
  margin: 0 0 18px;
  color: var(--c-lime);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-about .about-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.page-about .about-stat-grid > div {
  padding: 16px 14px;
  background: var(--c-bg-1);
}

.page-about .about-stat-grid dt {
  margin-bottom: 8px;
  color: var(--c-gray);
  font-size: 12px;
}

.page-about .about-stat-grid dd {
  margin: 0;
  color: var(--c-lime);
  font-family: var(--font-mono);
  font-size: clamp(24px, 5vw, 34px);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.page-about .about-hero__panel-note {
  margin: 18px 0 0;
  color: var(--c-gray);
  font-size: 13px;
  line-height: 1.7;
}

.page-about .about-section {
  position: relative;
  padding: clamp(56px, 9vw, 96px) 0;
}

.page-about .about-section__head {
  max-width: 860px;
  margin-bottom: clamp(28px, 5vw, 48px);
}

.page-about .about-section__head--split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  max-width: none;
}

.page-about .about-section__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.page-about .about-section__intro {
  max-width: 62ch;
  margin: 16px 0 0;
  color: var(--c-gray);
  font-size: 15px;
  line-height: 1.8;
}

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

.page-about .about-prose p {
  margin: 0 0 18px;
  color: var(--c-white);
  font-size: 16px;
  line-height: 1.82;
}

.page-about .about-prose p:last-child {
  margin-bottom: 0;
}

.page-about .about-inline-link {
  color: var(--c-lime);
  text-decoration: underline;
  text-decoration-color: rgba(200, 255, 61, 0.45);
  text-underline-offset: 4px;
}

.page-about .about-origin {
  background:
    linear-gradient(180deg, var(--c-bg) 0%, var(--c-bg-1) 100%);
}

.page-about .about-origin__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
}

.page-about .principle-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: principle;
}

.page-about .principle-list__item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  padding: 20px;
  background: var(--c-bg-2);
  border: 1px solid var(--c-line);
  clip-path: polygon(0 0, calc(100% - var(--cut-s)) 0, 100% var(--cut-s), 100% 100%, 0 100%);
}

.page-about .principle-list__no {
  color: var(--c-amber);
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
}

.page-about .principle-list__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--c-white);
}

.page-about .principle-list__item p {
  margin: 0;
  color: var(--c-gray);
  font-size: 14px;
  line-height: 1.75;
}

.page-about .about-team {
  background:
    radial-gradient(circle at 16% 20%, rgba(30, 107, 88, 0.24), transparent 38%),
    var(--c-bg-1);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 48px);
  align-items: stretch;
}

.page-about .role-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  min-width: 0;
}

.page-about .role-card {
  min-width: 0;
  padding: 20px;
  background: rgba(6, 17, 14, 0.72);
  border: 1px solid var(--c-line);
  clip-path: polygon(0 0, calc(100% - var(--cut-s)) 0, 100% var(--cut-s), 100% 100%, var(--cut-s) 100%, 0 calc(100% - var(--cut-s)));
  transition: border-color 180ms ease, background-color 180ms ease;
}

.page-about .role-card:hover,
.page-about .role-card:focus-within {
  background: rgba(18, 46, 36, 0.9);
  border-color: var(--c-lime);
}

.page-about .role-card__count {
  margin: 0;
  color: var(--c-lime);
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1;
}

.page-about .role-card__title {
  margin: 12px 0 8px;
  font-size: 17px;
  color: var(--c-white);
}

.page-about .role-card p {
  margin: 0;
  color: var(--c-gray);
  font-size: 13px;
  line-height: 1.72;
}

.page-about .about-team__media {
  margin: 0;
  min-width: 0;
}

.page-about .about-team__media img,
.page-about .about-following__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-versions {
  overflow: hidden;
  background: var(--c-bg);
}

.page-about .about-versions__bg {
  position: absolute;
  inset: 0;
  opacity: 0.14;
  pointer-events: none;
}

.page-about .about-versions__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  mask-image: linear-gradient(180deg, transparent, #000 20%, #000 76%, transparent);
}

.page-about .about-versions .container {
  position: relative;
  z-index: 1;
}

.page-about .version-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
}

.page-about .version-rail {
  min-width: 0;
}

.page-about .version-rail__title {
  margin: 0 0 12px;
  color: var(--c-gray);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-about .version-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: thin;
}

.page-about .version-rail__list li {
  flex: 0 0 auto;
}

.page-about .version-rail__list a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 138px;
  padding: 12px 14px;
  color: var(--c-gray);
  text-decoration: none;
  background: rgba(11, 31, 24, 0.88);
  border: 1px solid var(--c-line);
  clip-path: polygon(0 0, calc(100% - var(--cut-s)) 0, 100% var(--cut-s), 100% 100%, 0 100%);
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.page-about .version-rail__list a:hover,
.page-about .version-rail__list a:focus-visible {
  color: var(--c-bg);
  background: var(--c-lime);
  border-color: var(--c-lime);
}

.page-about .version-rail__list .num {
  font-family: var(--font-mono);
  font-size: 18px;
  font-variant-numeric: tabular-nums;
}

.page-about .version-panels {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-about .version-panel {
  min-width: 0;
  padding: clamp(20px, 3.5vw, 30px);
  background: linear-gradient(145deg, rgba(18, 46, 36, 0.92), rgba(11, 31, 24, 0.96));
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-amber);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  scroll-margin-top: 150px;
}

.page-about .version-panel--current {
  border-left-color: var(--c-lime);
  box-shadow: inset 0 0 0 1px rgba(200, 255, 61, 0.16);
}

.page-about .version-panel--cert {
  border-left-color: var(--c-orange);
}

.page-about .version-panel:target {
  border-color: var(--c-lime);
  box-shadow: 0 0 0 1px var(--c-lime), var(--about-panel-shadow);
}

.page-about .version-panel__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.page-about .version-panel__phase {
  color: var(--c-gray);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-about .version-panel__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.5vw, 32px);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.page-about .version-panel p {
  margin: 0 0 12px;
  color: var(--c-white);
  font-size: 15px;
  line-height: 1.8;
}

.page-about .version-panel .version-panel__solve {
  margin: 16px 0 0;
  padding-top: 14px;
  color: var(--c-gray);
  border-top: 1px dashed var(--c-line);
  font-size: 14px;
}

.page-about .tag--cert {
  color: var(--c-bg);
  background: var(--c-orange);
  border-color: var(--c-orange);
}

.page-about .about-following {
  background:
    linear-gradient(110deg, rgba(18, 46, 36, 0.8), var(--c-bg) 52%, rgba(11, 31, 24, 0.9));
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

.page-about .about-following__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 52px);
  align-items: center;
}

.page-about .about-following__media {
  margin: 0;
  min-width: 0;
}

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

.page-about .about-following__keyword {
  margin: 24px 0 16px;
  padding-left: 16px;
  border-left: 3px solid var(--c-lime);
  color: var(--c-white);
  font-size: clamp(17px, 2.5vw, 20px);
  font-weight: 700;
  line-height: 1.7;
}

.page-about .about-following__body > p:not(.eyebrow):not(.about-following__keyword) {
  margin: 0 0 16px;
  color: var(--c-gray);
  font-size: 15px;
  line-height: 1.82;
}

.page-about .following-list {
  display: grid;
  gap: 1px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.page-about .following-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 12px 14px;
  background: rgba(6, 17, 14, 0.82);
  font-size: 14px;
  line-height: 1.65;
}

.page-about .following-list__label {
  color: var(--c-lime);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-about .about-credentials {
  background: var(--c-bg);
}

.page-about .credential-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--c-line);
}

.page-about .credential-list__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 22px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-about .credential-list__mark {
  color: var(--c-amber);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-about .credential-list__item h3 {
  margin: 0 0 6px;
  font-size: 17px;
  color: var(--c-white);
}

.page-about .credential-list__item p {
  margin: 0;
  color: var(--c-gray);
  font-size: 14px;
  line-height: 1.75;
}

.page-about .about-eco {
  background:
    linear-gradient(180deg, var(--c-bg-1), var(--c-bg));
}

.page-about .eco-tree {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0 0 0 24px;
  list-style: none;
  position: relative;
}

.page-about .eco-tree::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 5px;
  width: 1px;
  background: linear-gradient(180deg, var(--c-lime), var(--c-teal) 48%, var(--c-orange));
}

.page-about .eco-node {
  position: relative;
  min-width: 0;
}

.page-about .eco-node__dot {
  position: absolute;
  left: -24px;
  top: 24px;
  width: 11px;
  height: 11px;
  background: var(--c-lime);
  border: 2px solid var(--c-bg-1);
  border-radius: 50%;
  transform: translateX(-50%);
}

.page-about .eco-node:nth-child(3) .eco-node__dot {
  background: var(--c-teal);
}

.page-about .eco-node:nth-child(4) .eco-node__dot {
  background: var(--c-orange);
}

.page-about .eco-node__card {
  min-width: 0;
  padding: 20px;
  background: rgba(18, 46, 36, 0.72);
  border: 1px solid var(--c-line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-about .eco-node__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.page-about .eco-node__level {
  color: var(--c-lime);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-about .eco-node__count {
  color: var(--c-white);
  font-family: var(--font-mono);
  font-size: 17px;
  font-variant-numeric: tabular-nums;
}

.page-about .eco-node__card p {
  margin: 0 0 8px;
  color: var(--c-gray);
  font-size: 14px;
  line-height: 1.75;
}

.page-about .eco-node__card .eco-node__access {
  margin: 0;
  padding-top: 10px;
  color: var(--c-white);
  border-top: 1px dashed var(--c-line);
  font-size: 13px;
}

.page-about .about-cta {
  padding-top: 0;
}

.page-about .about-cta__panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding: clamp(26px, 5vw, 44px);
  background:
    linear-gradient(135deg, rgba(200, 255, 61, 0.12), transparent 44%),
    var(--c-bg-2);
  border: 1px solid var(--c-line);
  box-shadow: var(--about-panel-shadow);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-about .about-cta__title {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(28px, 4.5vw, 38px);
  line-height: 1.08;
}

.page-about .about-cta__text {
  max-width: 56ch;
  margin: 0;
  color: var(--c-gray);
  font-size: 15px;
  line-height: 1.8;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-about .about-cta__link {
  color: var(--c-gray);
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-about .about-cta__link:hover,
.page-about .about-cta__link:focus-visible {
  color: var(--c-lime);
}

@media (min-width: 640px) {
  .page-about .credential-list__item {
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 18px;
  }

  .page-about .following-list li {
    grid-template-columns: 140px minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
    gap: clamp(36px, 5vw, 64px);
  }

  .page-about .about-section__head--split {
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
    align-items: end;
    gap: 32px;
  }

  .page-about .about-section__head--split .about-section__intro {
    margin-top: 0;
    justify-self: end;
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
    align-items: start;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  }

  .page-about .role-grid {
    align-content: start;
  }

  .page-about .version-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-about .version-rail {
    position: sticky;
    top: 132px;
  }

  .page-about .version-rail__list {
    flex-direction: column;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-about .version-rail__list a {
    width: 100%;
    min-width: 0;
  }

  .page-about .about-following__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-about .about-cta__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }

  .page-about .about-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1180px) {
  .page-about .role-card {
    padding: 24px;
  }

  .page-about .version-panels {
    gap: 20px;
  }

  .page-about .eco-node__card {
    padding: 24px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about {
    scroll-behavior: auto;
  }

  .page-about .role-card,
  .page-about .version-rail__list a {
    transition: none;
  }
}
<<<END>>>