.page-about .about-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(1.75rem, 4vw, 2.75rem) clamp(2.5rem, 6vw, 4.5rem);
}
.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(58% 48% at 84% 10%, rgba(217, 154, 43, 0.16), transparent 72%),
    linear-gradient(118deg, transparent 46%, var(--ink-2) 46%, var(--ink-2) 79%, transparent 79%);
}
.page-about .hero-grid {
  display: grid;
  gap: 2rem;
  margin-top: 1.5rem;
}
.page-about .hero-copy {
  max-width: 42ch;
}
.page-about .hero-copy h1 {
  margin: 0.4rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.3rem, 7vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--warm);
}
.page-about .hero-lede {
  margin: 0;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.8;
  color: var(--paper);
}
.page-about .hero-link {
  margin: 1.5rem 0 0;
}
.page-about .hero-figure {
  margin: 0;
  background: var(--ink-2);
  border: 2px solid var(--line-2);
  box-shadow: var(--shadow-hard);
}
.page-about .hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 5 / 6;
  object-fit: cover;
}
.page-about .hero-figure figcaption {
  padding: 0.65rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--mist);
  border-top: 1px solid var(--line);
}

.page-about .about-body {
  display: grid;
  gap: 2.25rem;
}
.page-about .about-index {
  border-left: 3px solid var(--gold);
  padding: 0.2rem 0 0.2rem 1rem;
}
.page-about .index-title {
  margin: 0 0 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sage);
}
.page-about .index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
  font-size: 0.95rem;
}
.page-about .index-list a {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding-bottom: 0.15rem;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.page-about .index-list a:hover,
.page-about .index-list a:focus-visible {
  color: var(--ink-2);
  border-bottom-color: var(--gold);
}
.page-about .index-num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--sand);
}
.page-about .index-note {
  margin: 1rem 0 0;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--sage);
}

.page-about .about-main {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4rem);
  min-width: 0;
}
.page-about .chapter {
  color: var(--ink);
  scroll-margin-top: 1.5rem;
  min-width: 0;
}
.page-about .chapter-title {
  margin: 0.35rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.page-about .chapter-text {
  margin: 0 0 1rem;
  line-height: 1.8;
}
.page-about .chapter-link {
  margin-top: 1.5rem;
}
.page-about .story-quote {
  margin: 1.5rem 0 0;
  padding: 1rem 1.25rem;
  background: var(--paper-2);
  border: 2px solid var(--gold);
  border-left-width: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--ink);
}

.page-about .pace-grid {
  display: grid;
  gap: 0.9rem;
  margin: 1.4rem 0 0;
}
.page-about .pace-card {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1.1rem 1.1rem 1.25rem;
  background: var(--warm);
  border: 2px solid var(--line-dark-2);
  box-shadow: var(--shadow-hard-sm);
}
.page-about .pace-card h3 {
  margin: 0.15rem 0 0;
  font-size: 1.02rem;
  line-height: 1.45;
}
.page-about .pace-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink-2);
}
.page-about .pace-aside {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}
.page-about .pace-figure,
.page-about .team-figure {
  margin: 0;
  background: var(--paper-2);
  border: 2px solid var(--line-dark-2);
  box-shadow: var(--shadow-hard-sm);
}
.page-about .pace-figure img,
.page-about .team-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-about .pace-figure img {
  aspect-ratio: 4 / 3;
}
.page-about .team-figure img {
  aspect-ratio: 10 / 7;
}
.page-about .pace-figure figcaption,
.page-about .team-figure figcaption {
  padding: 0.6rem 0.85rem;
  font-size: 0.77rem;
  line-height: 1.6;
  color: var(--sage);
  border-top: 1px solid var(--line-dark);
}
.page-about .team-figure {
  margin-top: 1.6rem;
}

.page-about .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.page-about .tabs__tab {
  appearance: none;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  padding: 0.55rem 0.9rem;
  color: var(--ink);
  background: transparent;
  border: 2px solid var(--line-dark-2);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-about .tabs__tab:hover {
  border-color: var(--ink-2);
}
.page-about .tabs__tab[aria-selected="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--warm);
}
.page-about .tabs__tab:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
.page-about .tabs__panel {
  margin-top: 1.4rem;
}
.page-about .tabs__panel[hidden] {
  display: none;
}
.page-about .tabs__panel h3 {
  margin: 0.2rem 0 0.5rem;
  font-size: 1.05rem;
}
.page-about .tabs__panel p {
  margin: 0 0 0.7rem;
  line-height: 1.78;
}

.page-about .version-tabs {
  margin-top: 1.4rem;
}
.page-about .version-entry {
  position: relative;
  margin-left: 0.35rem;
  padding: 0 0 1.4rem 1.6rem;
  border-left: 2px dashed rgba(185, 138, 94, 0.6);
}
.page-about .version-entry:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}
.page-about .version-entry::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 0.3rem;
  width: 12px;
  height: 12px;
  background: var(--gold);
  border: 2px solid var(--ink);
  box-sizing: border-box;
}
.page-about .version-year {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--sand);
}
.page-about .version-entry h3 {
  margin: 0.2rem 0 0.35rem;
  font-size: 1.04rem;
}
.page-about .version-entry p:last-child {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-about .team-split {
  display: grid;
  gap: 0.85rem;
  margin: 1.35rem 0 0;
}
.page-about .team-block {
  padding: 1rem 1.1rem;
  background: var(--paper-2);
  border: 2px solid var(--line-dark-2);
}
.page-about .team-num {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  line-height: 1;
  color: var(--ink-2);
}
.page-about .team-block h3 {
  margin: 0.4rem 0 0.35rem;
  font-size: 0.98rem;
}
.page-about .team-block p:last-child {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink-2);
}
.page-about .team-block--note {
  border-style: dashed;
  background: transparent;
}
.page-about .team-label {
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--sand);
}

.page-about .eco-stats {
  list-style: none;
  margin: 1.35rem 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}
.page-about .eco-stats li {
  padding-top: 0.6rem;
  border-top: 2px solid var(--gold);
}
.page-about .eco-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.85rem;
  line-height: 1.1;
  color: var(--ink);
}
.page-about .eco-label {
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: var(--sage);
}

.page-about .talk-section {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}
.page-about .talk-grid {
  display: grid;
  gap: 2rem;
}
.page-about .talk-copy h2 {
  margin: 0.35rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  line-height: 1.2;
  color: var(--warm);
}
.page-about .talk-copy p {
  margin: 0;
  line-height: 1.8;
  color: var(--paper);
}
.page-about .talk-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.page-about .talk-side {
  padding: 1.15rem 1.2rem;
  border: 2px solid var(--line-2);
  background: rgba(255, 249, 239, 0.04);
}
.page-about .talk-label {
  margin: 0 0 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--mist);
}
.page-about .talk-list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: 0.7rem;
  font-size: 0.94rem;
}
.page-about .talk-list a {
  color: var(--warm);
}
.page-about .talk-contact {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.75;
  color: var(--mist);
}

@media (min-width: 720px) {
  .page-about .pace-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .pace-aside {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-about .team-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-about .hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.72fr);
    align-items: end;
    gap: clamp(2rem, 4vw, 3.5rem);
  }
  .page-about .hero-figure {
    justify-self: end;
    width: 100%;
  }
  .page-about .talk-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 3rem);
  }
}

@media (min-width: 960px) {
  .page-about .about-body {
    grid-template-columns: minmax(180px, 216px) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }
  .page-about .about-index {
    position: sticky;
    top: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .index-list a,
  .page-about .tabs__tab {
    transition: none;
  }
}