.page-about {
  --about-card: var(--ink-2);
  --about-edge: rgba(143, 166, 196, .18);
  --about-shadow: 0 22px 48px rgba(3, 16, 25, .45);
  background: var(--bg-page);
  color: var(--mist);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-about .about-hero {
  position: relative;
  padding: clamp(26px, 4vw, 52px) 0 clamp(24px, 4vw, 44px);
  isolation: isolate;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -12%;
  width: min(720px, 86vw);
  height: min(720px, 86vw);
  background:
    radial-gradient(circle at 68% 24%, rgba(53, 240, 208, .17), transparent 60%),
    radial-gradient(circle at 28% 74%, rgba(255, 106, 42, .12), transparent 58%);
  z-index: -1;
  pointer-events: none;
}

.page-about .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-about .hero-main h1 {
  margin: .34em 0 .46em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6.6vw, 68px);
  line-height: 1.06;
  letter-spacing: -.035em;
  color: var(--mist);
  text-wrap: balance;
}

.page-about .hero-lede {
  max-width: 54ch;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--slate);
}

.page-about .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-about .hero-panel {
  position: relative;
  padding: 20px 22px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(158deg, var(--ink-2) 0%, var(--ink-3) 100%);
  box-shadow: var(--about-shadow);
  overflow: hidden;
}

.page-about .hero-panel::after {
  content: "";
  position: absolute;
  top: 0;
  left: 22px;
  width: 56px;
  height: 3px;
  border-radius: 0 0 var(--pill) var(--pill);
  background: var(--cyan);
}

.page-about .panel-head {
  margin: 6px 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--slate);
  text-transform: uppercase;
}

.page-about .panel-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-about .panel-item:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.page-about .panel-key {
  font-size: 13.5px;
  color: var(--slate);
}

.page-about .panel-val {
  font-family: var(--font-mono);
  font-size: 19px;
  letter-spacing: -.02em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-about .about-section {
  position: relative;
  padding: clamp(30px, 4.4vw, 56px) 0;
}

.page-about .tl-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-about .tl-index {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-about .tl-index .index-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-about .tl-phase {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--slate);
}

.page-about .tl-body .section-title {
  margin: 0 0 .62em;
  font-size: clamp(23px, 3.2vw, 32px);
  line-height: 1.24;
  letter-spacing: -.02em;
  color: var(--mist);
}

.page-about .tl-body p {
  margin: 0 0 1em;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-about .aside-note {
  margin-top: 18px;
  padding: 0 16px;
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius-sm);
  background: rgba(53, 240, 208, .05);
}

.page-about .aside-note summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--cyan);
  cursor: pointer;
  list-style: none;
}

.page-about .aside-note summary::-webkit-details-marker {
  display: none;
}

.page-about .aside-note summary::after {
  content: "+";
  font-size: 17px;
  line-height: 1;
}

.page-about .aside-note[open] summary::after {
  content: "–";
}

.page-about .aside-note p {
  margin: 0 0 14px;
  padding-top: 2px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

.page-about .lines-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 22px;
}

.page-about .line-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--about-card);
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-about .line-card:hover {
  border-color: var(--line-cyan);
  transform: translateY(-2px);
}

.page-about .line-card h3 {
  margin: 0;
  font-size: 17px;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-about .line-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--slate);
}

.page-about .line-card--help {
  background: linear-gradient(140deg, rgba(15, 74, 74, .88) 0%, var(--ink-2) 78%);
  border-color: rgba(53, 240, 208, .3);
}

.page-about .line-card--help .btn {
  align-self: flex-start;
  margin-top: 6px;
}

.page-about .line-figure {
  margin: 6px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink-3);
}

.page-about .version-rail {
  margin-top: 22px;
  padding-bottom: 14px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-color: rgba(53, 240, 208, .5) transparent;
}

.page-about .version-rail:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -4px;
  border-radius: var(--radius-lg);
}

.page-about .version-track {
  display: flex;
  gap: 14px;
  margin: 0;
  padding: 4px clamp(16px, 4vw, 40px) 10px;
  list-style: none;
}

.page-about .version-card {
  position: relative;
  flex: 0 0 min(300px, 82vw);
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--ink-2);
  scroll-snap-align: start;
  overflow: hidden;
}

.page-about .version-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), rgba(53, 240, 208, 0));
}

.page-about .version-card--31::before {
  background: linear-gradient(90deg, var(--yellow), rgba(255, 210, 63, 0));
}

.page-about .version-card--32::before {
  background: linear-gradient(90deg, var(--orange), rgba(255, 106, 42, 0));
}

.page-about .version-tag {
  align-self: flex-start;
  padding: 3px 10px;
  border-radius: var(--pill);
  border: 1px solid var(--line-cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-about .version-card--31 .version-tag {
  border-color: rgba(255, 210, 63, .45);
  color: var(--yellow);
}

.page-about .version-card--32 .version-tag {
  border-color: rgba(255, 106, 42, .5);
  color: var(--orange);
}

.page-about .version-num {
  font-family: var(--font-mono);
  font-size: 34px;
  line-height: 1;
  letter-spacing: -.04em;
  color: var(--mist);
}

.page-about .version-card h3 {
  margin: 2px 0 0;
  font-size: 17px;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-about .version-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

.page-about .version-list {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.page-about .version-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

.page-about .version-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-about .version-figure {
  margin: 14px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-3);
}

.page-about .version-figure .media-caption {
  padding: 12px 16px;
  font-size: 12.5px;
  color: var(--slate);
  border-top: 1px solid var(--line-soft);
}

.page-about .line-figure img,
.page-about .version-figure img,
.page-about .team-bg {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .upkeep-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 22px 0 26px;
}

.page-about .upkeep-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-sm);
  background: rgba(13, 32, 56, .78);
}

.page-about .upkeep-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--cyan);
}

.page-about .upkeep-card h3 {
  margin: 8px 0 6px;
  font-size: 15.5px;
  color: var(--mist);
}

.page-about .upkeep-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-about .doc-meter {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--ink-3);
}

.page-about .meter-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--slate);
}

.page-about .meter-row {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr) 34px;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
}

.page-about .meter-label {
  font-size: 13px;
  color: var(--slate);
}

.page-about .meter-bar {
  display: block;
  height: 8px;
  border-radius: var(--pill);
  background: rgba(143, 166, 196, .14);
  overflow: hidden;
}

.page-about .meter-fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cyan), rgba(53, 240, 208, .42));
}

.page-about .meter-fill--a { width: 31%; }
.page-about .meter-fill--b { width: 24%; }
.page-about .meter-fill--c { width: 26%; }
.page-about .meter-fill--d { width: 19%; }

.page-about .meter-val {
  font-family: var(--font-mono);
  font-size: 14px;
  text-align: right;
  color: var(--mist);
}

.page-about .about-team {
  padding-top: clamp(26px, 4vw, 48px);
}

.page-about .team-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--deep);
}

.page-about .team-bg {
  position: absolute;
  inset: 0;
  height: 100%;
  opacity: .42;
  filter: saturate(.85) contrast(1.05);
}

.page-about .team-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(7, 20, 38, .96) 12%, rgba(7, 20, 38, .74) 58%, rgba(7, 20, 38, .42) 100%);
  pointer-events: none;
}

.page-about .team-body {
  position: relative;
  z-index: 1;
  padding: clamp(26px, 4vw, 48px);
}

.page-about .team-body .section-title {
  margin: 10px 0 .6em;
  font-size: clamp(23px, 3.2vw, 32px);
  line-height: 1.24;
  letter-spacing: -.02em;
  color: var(--mist);
}

.page-about .team-body p {
  margin: 0 0 1em;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-about .team-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.page-about .chip-static {
  padding: 6px 14px;
  border-radius: var(--pill);
  border: 1px solid var(--line-cyan);
  background: rgba(53, 240, 208, .07);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-about .about-cta {
  padding-bottom: clamp(40px, 6vw, 72px);
}

.page-about .cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  padding: clamp(24px, 3.4vw, 38px);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 92% 8%, rgba(255, 106, 42, .16), transparent 55%),
    linear-gradient(150deg, var(--ink-2), var(--ink-3));
}

.page-about .cta-copy .section-title {
  margin: 0 0 .55em;
  font-size: clamp(22px, 2.9vw, 29px);
  line-height: 1.28;
  letter-spacing: -.02em;
  color: var(--mist);
}

.page-about .cta-copy p {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
}

.page-about .cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: flex-start;
}

.page-about .chip-link {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: rgba(7, 20, 38, .6);
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  transition: border-color .25s var(--ease), color .25s var(--ease), transform .25s var(--ease);
}

.page-about .chip-link:hover,
.page-about .chip-link:focus-visible {
  border-color: var(--line-cyan);
  color: var(--cyan);
  transform: translateY(-1px);
}

.page-about .chip-link--accent {
  border-color: rgba(255, 106, 42, .55);
  background: rgba(255, 106, 42, .12);
  color: var(--orange);
}

.page-about .chip-link--accent:hover,
.page-about .chip-link--accent:focus-visible {
  border-color: var(--orange);
  color: var(--orange);
}

.page-about .to-top-wrap {
  margin: 18px 0 0;
  text-align: right;
}

.page-about .to-top {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 2px;
}

.page-about .to-top:hover,
.page-about .to-top:focus-visible {
  color: var(--cyan);
  border-color: var(--line-cyan);
}

.page-about a:focus-visible,
.page-about summary:focus-visible,
.page-about .version-rail:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (min-width: 620px) {
  .page-about .upkeep-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-about .lines-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .line-figure {
    grid-column: 1 / -1;
  }

  .page-about .cta-panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-about .hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    gap: 38px;
    align-items: end;
  }

  .page-about .hero-panel {
    padding: 24px 24px 18px;
  }
}

@media (min-width: 960px) {
  .page-about .tl-row {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

  .page-about .tl-index {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding-right: 18px;
    border-right: 1px solid var(--line-soft);
  }

  .page-about .tl-index .index-num {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .line-card,
  .page-about .chip-link {
    transition: none;
  }

  .page-about .line-card:hover,
  .page-about .chip-link:hover {
    transform: none;
  }

  .page-about .version-rail {
    scroll-behavior: auto;
  }
}