.page-about {
  background-color: var(--ink);
  color: var(--text);
  background-image:
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px),
    linear-gradient(var(--grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
  padding-bottom: clamp(40px, 8vw, 96px);
  overflow-x: clip;
}

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

.page-about .about-top {
  padding-block: clamp(18px, 4vw, 48px) clamp(10px, 2vw, 24px);
}

.page-about .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 32px);
}

.page-about .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-about .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--grid);
}

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

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

.page-about .breadcrumb__list [aria-current="page"] {
  color: var(--paper);
}

.page-about .about-top__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-about .about-top__lead {
  max-width: 900px;
  padding-left: clamp(16px, 3vw, 36px);
  border-left: 1px solid var(--grid);
}

.page-about h1 {
  max-width: 14ch;
  margin: 0.35em 0 0.3em;
  color: var(--paper);
  font-size: clamp(2.5rem, 7.5vw, 5.4rem);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.page-about .about-lede {
  max-width: 64ch;
  margin: 0;
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  line-height: 1.85;
  color: var(--text);
}

.page-about .about-top__facts {
  position: relative;
  align-self: start;
  padding: clamp(16px, 2.6vw, 24px);
  border: 1px solid var(--grid);
  background: var(--panel);
}

.page-about .about-top__facts::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 3px;
  background: var(--amber);
}

.page-about .about-top__facts-title {
  margin: 0 0 12px;
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

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

.page-about .about-facts__item {
  padding: 12px 0;
  border-top: 1px solid var(--grid);
}

.page-about .about-facts__item:nth-child(odd) {
  padding-right: 12px;
}

.page-about .about-facts__item:nth-child(even) {
  padding-left: 12px;
  border-left: 1px solid var(--grid);
}

.page-about .about-facts__term {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 12px;
}

.page-about .about-facts__value {
  margin: 0;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  line-height: 1.1;
}

.page-about .about-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: clamp(24px, 4vw, 44px);
  padding-top: 14px;
  border-top: 1px solid var(--grid);
}

.page-about .about-index__link {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.page-about .about-index__link:hover {
  color: var(--cyan);
}

.page-about .about-shell {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding-top: clamp(20px, 4vw, 48px);
}

.page-about .version-rail {
  padding: 14px 16px;
  border: 1px solid var(--grid);
  background: rgba(22, 36, 31, 0.76);
}

.page-about .version-rail__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--grid);
}

.page-about .version-rail__kicker {
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 11px;
}

.page-about .version-rail__title {
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: 14px;
}

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

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

.page-about .version-list__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border: 1px solid transparent;
  color: var(--muted);
  font-size: 12px;
  text-decoration: none;
  white-space: nowrap;
}

.page-about .version-list__link:hover {
  border-color: var(--grid);
  color: var(--cyan);
}

.page-about .version-node {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--brick-deep);
  background: var(--ink-deep);
  color: var(--brick);
  font-family: var(--font-mono);
  font-size: 11px;
}

.page-about .version-rail__note {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--grid);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.page-about .about-body {
  display: grid;
  gap: clamp(40px, 7vw, 80px);
  min-width: 0;
}

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

.page-about .about-section__head {
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 2vw, 20px);
  margin-bottom: clamp(16px, 3vw, 24px);
  padding-top: clamp(14px, 2vw, 20px);
  border-top: 1px solid var(--grid);
}

.page-about .section-no {
  flex: 0 0 auto;
  color: var(--brick);
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.5vw, 3.6rem);
  font-weight: 500;
  line-height: 0.9;
}

.page-about .about-section__head h2 {
  position: relative;
  margin: 0;
  color: var(--paper);
  font-size: clamp(1.45rem, 3.2vw, 2.35rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-about .about-section__head h2::before {
  content: "";
  position: absolute;
  top: 0.1em;
  bottom: 0.1em;
  left: calc(-1 * clamp(12px, 2vw, 20px));
  width: 3px;
  background: var(--brick);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--dur) var(--ease);
}

.page-about .about-section__head h2:hover::before {
  transform: scaleY(1);
}

.page-about .about-copy {
  max-width: 72ch;
}

.page-about .about-copy p {
  margin: 0 0 1em;
}

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

.page-about .about-copy a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-color: var(--cyan-soft);
  text-underline-offset: 0.18em;
}

.page-about .about-callout {
  max-width: 64ch;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--amber);
  background: rgba(255, 166, 48, 0.07);
  color: var(--paper);
}

.page-about .about-callout p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2vw, 1.15rem);
}

.page-about .about-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--grid);
  background: var(--panel);
}

.page-about .about-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.03);
}

.page-about .about-media__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--grid);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.page-about .about-media--team {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-about .about-media--data {
  border-left: 3px solid var(--cyan);
}

.page-about .about-media--archive {
  position: absolute;
  inset: 0;
  z-index: 0;
  border: 0;
  opacity: 0.18;
  pointer-events: none;
}

.page-about .about-media--archive img {
  height: 100%;
  filter: grayscale(1);
}

.page-about .team-switch {
  border: 1px solid var(--grid);
  background: var(--panel);
}

.page-about .team-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-about .team-tabs {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--grid);
}

.page-about .team-tab {
  padding: 10px 14px;
  border-right: 1px solid var(--grid-line-strong);
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  transition: color var(--dur), background var(--dur);
}

.page-about .team-tab:hover {
  background: var(--panel-2);
  color: var(--text);
}

.page-about .team-radio:nth-of-type(1):checked ~ .team-tabs .team-tab:nth-child(1),
.page-about .team-radio:nth-of-type(2):checked ~ .team-tabs .team-tab:nth-child(2),
.page-about .team-radio:nth-of-type(3):checked ~ .team-tabs .team-tab:nth-child(3),
.page-about .team-radio:nth-of-type(4):checked ~ .team-tabs .team-tab:nth-child(4) {
  background: var(--cyan);
  color: var(--ink);
}

.page-about .team-radio:nth-of-type(1):focus-visible ~ .team-tabs .team-tab:nth-child(1),
.page-about .team-radio:nth-of-type(2):focus-visible ~ .team-tabs .team-tab:nth-child(2),
.page-about .team-radio:nth-of-type(3):focus-visible ~ .team-tabs .team-tab:nth-child(3),
.page-about .team-radio:nth-of-type(4):focus-visible ~ .team-tabs .team-tab:nth-child(4) {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-about .team-panels {
  padding: clamp(16px, 2.6vw, 24px);
}

.page-about .team-panel {
  display: none;
}

.page-about .team-radio:nth-of-type(1):checked ~ .team-panels .team-panel:nth-child(1),
.page-about .team-radio:nth-of-type(2):checked ~ .team-panels .team-panel:nth-child(2),
.page-about .team-radio:nth-of-type(3):checked ~ .team-panels .team-panel:nth-child(3),
.page-about .team-radio:nth-of-type(4):checked ~ .team-panels .team-panel:nth-child(4) {
  display: block;
}

.page-about .team-panel__title {
  margin: 0 0 6px;
  color: var(--paper);
  font-size: 1.05rem;
}

.page-about .team-panel__body {
  max-width: 65ch;
  margin: 0;
  color: var(--text);
}

.page-about .team-panel__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-color: var(--cyan-soft);
  text-underline-offset: 0.18em;
}

.page-about .team-panel__stat {
  display: inline-block;
  margin-top: 12px;
  border-bottom: 1px solid var(--amber-soft);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-about .data-layout {
  display: grid;
  align-items: start;
  gap: var(--gap);
}

.page-about .data-copy {
  padding: clamp(16px, 2.6vw, 24px);
  border: 1px solid var(--grid);
  background: var(--panel);
}

.page-about .data-copy p {
  margin: 0 0 1em;
}

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

.page-about .about-section--versions {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(18px, 3vw, 32px);
  border: 1px solid var(--grid);
  background: var(--panel);
}

.page-about .about-section--versions .about-section__head {
  position: relative;
  z-index: 1;
  padding-top: 0;
  border-top: 0;
}

.page-about .version-board {
  position: relative;
  z-index: 1;
}

.page-about .version-track {
  display: grid;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .version-track__item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--grid);
}

.page-about .version-track__no {
  padding-top: 0.35em;
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-about .version-track__title {
  margin: 0 0 4px;
  color: var(--paper);
  font-size: 1rem;
}

.page-about .version-track__text {
  max-width: 68ch;
  margin: 0;
  color: var(--text);
  font-size: 0.94rem;
}

.page-about .coverage-board {
  display: grid;
  align-items: start;
  gap: var(--gap);
}

.page-about .coverage-chart {
  margin: 18px 0 0;
  padding: clamp(12px, 2vw, 18px);
  border: 1px solid var(--grid);
  background: var(--ink-deep);
}

.page-about .coverage-chart svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .chart-axis line {
  stroke: var(--grid);
  stroke-width: 1;
}

.page-about .chart-line {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2;
}

.page-about .chart-dot {
  fill: var(--amber);
  stroke: var(--ink-deep);
  stroke-width: 2;
}

.page-about .chart-label {
  fill: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.page-about .chart-label--strong {
  fill: var(--paper);
}

.page-about .coverage-chart figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.page-about .coverage-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--grid);
}

.page-about .coverage-stat {
  padding: 12px 0;
  border-bottom: 1px solid var(--grid);
}

.page-about .coverage-stat:nth-child(odd) {
  padding-right: 12px;
}

.page-about .coverage-stat:nth-child(even) {
  padding-left: 12px;
  border-left: 1px solid var(--grid);
}

.page-about .coverage-stat__label {
  margin: 0 0 3px;
  color: var(--muted);
  font-size: 12px;
}

.page-about .coverage-stat__value {
  margin: 0;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 2.6vw, 1.55rem);
  font-weight: 700;
  line-height: 1.25;
}

.page-about .habit-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .habit-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--grid);
}

.page-about .habit-item:last-child {
  border-bottom: 1px solid var(--grid);
}

.page-about .habit-item__no {
  padding-top: 2px;
  color: var(--brick);
  font-family: var(--font-serif);
  font-size: 1.4rem;
  line-height: 1;
}

.page-about .habit-item__title {
  margin: 0 0 4px;
  color: var(--paper);
  font-size: 1.02rem;
}

.page-about .habit-item__body p {
  max-width: 68ch;
  margin: 0;
}

.page-about .about-close {
  margin-top: clamp(32px, 6vw, 64px);
  padding: clamp(22px, 4vw, 40px);
  border-top: 1px solid var(--cyan-soft);
  border-bottom: 1px solid var(--grid);
  background:
    linear-gradient(135deg, rgba(0, 229, 192, 0.08), transparent 55%),
    var(--panel);
}

.page-about .about-close__line {
  max-width: 30ch;
  margin: 0 0 20px;
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 3vw, 2rem);
  line-height: 1.4;
}

.page-about .about-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-contact {
  max-width: 70ch;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.page-about .about-contact a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-color: var(--cyan-soft);
  text-underline-offset: 0.18em;
}

.page-about .about-contact .mono {
  color: var(--text);
}

@media (min-width: 760px) {
  .page-about .about-media--team {
    width: min(100%, 820px);
  }

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

  .page-about .data-copy {
    position: relative;
    z-index: 1;
    margin-top: clamp(18px, 3vw, 32px);
  }

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

  .page-about .coverage-stat:nth-child(odd) {
    padding-right: 0;
  }

  .page-about .coverage-stat:nth-child(even) {
    padding-left: 0;
    border-left: 0;
  }

  .page-about .coverage-stat {
    padding: 12px;
    border-right: 1px solid var(--grid);
  }

  .page-about .coverage-stat:nth-child(3n) {
    border-right: 0;
  }
}

@media (min-width: 980px) {
  .page-about .about-top__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(260px, 0.75fr);
    align-items: end;
  }

  .page-about .coverage-board {
    grid-template-columns: minmax(0, 1.35fr) minmax(240px, 0.65fr);
  }
}

@media (min-width: 1024px) {
  .page-about .about-shell {
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: start;
  }

  .page-about .version-rail {
    position: sticky;
    top: 92px;
  }

  .page-about .version-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-about .version-list__link {
    width: 100%;
  }

  .page-about .version-list__item + .version-list__item {
    border-top: 1px solid var(--grid-line-strong);
  }
}
<<<END>>>