.page-about {
  --about-rail-w: 220px;
  --about-gap: clamp(28px, 5vw, 64px);
  background: var(--ink);
  color: var(--fog);
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 46px) 0 clamp(40px, 6vw, 76px);
  background: linear-gradient(142deg, var(--ink) 0 57%, var(--ink-2) 57% 100%);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  right: -14%;
  top: -24%;
  width: 74%;
  height: 148%;
  background: linear-gradient(158deg, rgba(255, 90, 42, 0.2), rgba(182, 45, 18, 0.06) 54%, transparent 72%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-lava), transparent);
  pointer-events: none;
}

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

.page-about .about-hero-grid {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
  align-items: center;
  margin-top: clamp(28px, 5vw, 54px);
}

.page-about .about-hero-copy .eyebrow {
  margin-bottom: 14px;
}

.page-about .about-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-heading);
  font-size: clamp(46px, 11vw, 82px);
  line-height: 0.96;
  letter-spacing: 0.045em;
  color: var(--fog);
}

.page-about .about-hero-sub {
  max-width: 58ch;
  margin: 0;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.85;
  color: rgba(242, 245, 247, 0.82);
}

.page-about .about-hero-actions {
  margin-top: 28px;
}

.page-about .about-hero-chips {
  margin-top: 24px;
  padding: 0;
  list-style: none;
}

.page-about .about-hero-visual {
  position: relative;
}

.page-about .about-vertical-note {
  display: none;
}

.page-about .about-hero-frame {
  position: relative;
  margin: 0;
  clip-path: var(--cut-lg);
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-about .about-hero-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.05);
}

.page-about .about-body {
  padding-top: clamp(40px, 6vw, 80px);
}

.page-about .about-layout {
  display: grid;
  gap: var(--about-gap);
}

.page-about .about-rail {
  position: relative;
  padding-top: 8px;
}

.page-about .about-rail-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--metal);
}

.page-about .about-rail-list {
  position: relative;
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0 0 0 20px;
  list-style: none;
}

.page-about .about-rail-list::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--lava), var(--lava-deep) 48%, rgba(255, 90, 42, 0.08));
  clip-path: polygon(0 0, 100% 0, 100% 96%, 0 100%);
}

.page-about .about-rail-item {
  position: relative;
}

.page-about .about-rail-item::before {
  content: "";
  position: absolute;
  left: -23px;
  top: 6px;
  width: 8px;
  height: 8px;
  background: var(--ink);
  border: 2px solid var(--lava);
  transform: rotate(45deg);
}

.page-about .about-rail-link {
  display: grid;
  gap: 2px;
  color: var(--fog);
  text-decoration: none;
}

.page-about .about-rail-year {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--ember);
}

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

.page-about .about-rail-more {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.6;
  color: rgba(138, 151, 163, 0.92);
}

.page-about .about-article {
  display: grid;
  gap: clamp(40px, 6vw, 72px);
  min-width: 0;
}

.page-about .about-chapter {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-about .about-chapter-index {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--lava);
}

.page-about .about-chapter h2 {
  margin: 0 0 18px;
  font-family: var(--font-heading);
  font-size: clamp(26px, 4.4vw, 42px);
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--fog);
}

.page-about .about-chapter p {
  max-width: 72ch;
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(242, 245, 247, 0.8);
}

.page-about .about-chapter .about-lead {
  font-size: 18px;
  color: var(--fog);
}

.page-about .about-text-link {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-paths {
  display: grid;
  gap: 0;
  margin: 26px 0 20px;
  padding: 0;
  list-style: none;
}

.page-about .about-path {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 22px 0;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-path:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-path-index {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--lava);
}

.page-about .about-path h3 {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  color: var(--fog);
}

.page-about .about-path p {
  margin-bottom: 10px;
}

.page-about .about-path .about-path-fact {
  display: inline-block;
  margin: 0;
  padding-left: 10px;
  border-left: 2px solid var(--line-lava);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--metal);
}

.page-about .about-flow-panel {
  margin: 28px 0;
  padding: 0;
  background: linear-gradient(150deg, var(--panel), var(--ink-2));
  clip-path: var(--cut-md);
}

.page-about .about-flow-scroll {
  overflow-x: auto;
  padding: 22px 20px 14px;
}

.page-about .about-flow-svg {
  display: block;
  width: 100%;
  min-width: 560px;
  height: auto;
}

.page-about .about-flow-line {
  stroke: rgba(255, 90, 42, 0.45);
  stroke-width: 2;
  stroke-dasharray: 6 6;
}

.page-about .about-flow-arrow {
  fill: var(--lava);
}

.page-about .about-flow-node {
  fill: var(--ink-2);
  stroke: var(--lava);
  stroke-width: 1.5;
}

.page-about .about-flow-node--cyan {
  stroke: var(--cyan);
}

.page-about .about-flow-label {
  fill: var(--fog);
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 700;
}

.page-about .about-flow-sub {
  fill: var(--metal);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.page-about .about-flow-foot {
  fill: var(--metal);
  font-family: var(--font-body);
  font-size: 12px;
}

.page-about .about-checks {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-check {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 16px 18px;
  background: var(--ink-2);
  clip-path: var(--cut-sm);
}

.page-about .about-check-num {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-about .about-check strong {
  display: block;
  margin-bottom: 4px;
  color: var(--fog);
}

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

.page-about .about-eras {
  display: grid;
  gap: 0;
  margin-top: 24px;
}

.page-about .about-era {
  position: relative;
  padding: 18px 0 18px 24px;
  border-left: 1px solid var(--line);
}

.page-about .about-era::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 24px;
  width: 10px;
  height: 10px;
  background: var(--lava);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.page-about .about-era-year {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ember);
}

.page-about .about-era h3 {
  margin: 4px 0 6px;
  font-size: 17px;
  color: var(--fog);
}

.page-about .about-era p {
  max-width: 70ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--metal);
}

.page-about .about-team-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0;
}

.page-about .about-team-card {
  position: relative;
  padding: 16px 16px 14px;
  background: linear-gradient(145deg, var(--panel), var(--ink-2));
  clip-path: var(--cut-sm);
}

.page-about .about-team-card summary {
  display: grid;
  gap: 4px;
  cursor: pointer;
  list-style: none;
}

.page-about .about-team-card summary::-webkit-details-marker {
  display: none;
}

.page-about .about-team-card summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 12px;
  font-family: var(--font-mono);
  color: var(--metal);
}

.page-about .about-team-card[open] summary::after {
  content: "−";
  color: var(--cyan);
}

.page-about .about-team-num {
  font-family: var(--font-mono);
  font-size: 32px;
  line-height: 1;
  color: var(--lava);
}

.page-about .about-team-role {
  font-size: 14px;
  color: var(--fog);
}

.page-about .about-team-card p {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--metal);
}

.page-about .about-team-media {
  margin: 26px 0 0;
  clip-path: var(--cut-md);
  background: var(--panel);
}

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

.page-about .about-team-media img {
  aspect-ratio: 3 / 2;
}

.page-about .about-collab-grid {
  display: grid;
  gap: 24px;
  margin-top: 24px;
}

.page-about .about-collab-list {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-collab-list li {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-collab-list p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--metal);
}

.page-about .about-award {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 22px 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--metal);
}

.page-about .about-award-num {
  font-family: var(--font-mono);
  font-size: 34px;
  line-height: 1;
  color: var(--warn);
}

.page-about .about-collab-media {
  margin: 0;
  clip-path: var(--cut-md);
  background: var(--panel);
}

.page-about .about-collab-media img {
  aspect-ratio: 4 / 3;
}

.page-about .about-next-list {
  display: grid;
  gap: 1px;
  margin: 22px 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
}

.page-about .about-next-item {
  padding: 18px;
  background: var(--ink-2);
}

.page-about .about-next-item h3 {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--fog);
}

.page-about .about-next-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--metal);
}

.page-about .about-next-actions {
  margin-top: 24px;
}

.page-about .about-trust {
  margin-top: 36px;
  padding-left: 16px;
  border-left: 4px solid var(--lava);
  font-family: var(--font-heading);
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.35;
  letter-spacing: 0.04em;
  color: var(--fog);
}

@media (min-width: 720px) {
  .page-about .about-team-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (min-width: 860px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: end;
  }

  .page-about .about-hero-visual {
    padding-bottom: 10px;
  }

  .page-about .about-vertical-note {
    display: block;
    position: absolute;
    right: -18px;
    top: 14px;
    z-index: 2;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.34em;
    color: var(--metal);
    opacity: 0.72;
  }
}

@media (min-width: 960px) {
  .page-about .about-layout {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    gap: var(--about-gap);
    align-items: start;
  }

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

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

  .page-about .about-rail-item:hover .about-rail-more,
  .page-about .about-rail-item:focus-within .about-rail-more {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}