.page-about {
  --about-gap: clamp(20px, 3.4vw, 46px);
  background: var(--paper);
  color: var(--black);
}

.page-about figure {
  margin: 0;
}

.page-about .about-intro {
  position: relative;
  padding: clamp(18px, 3vw, 32px) 0 clamp(36px, 6vw, 64px);
  background:
    radial-gradient(circle at 84% 14%, rgba(37, 216, 206, 0.18), transparent 48%),
    linear-gradient(180deg, var(--paper) 0%, var(--mist) 100%);
  overflow: hidden;
}

.page-about .about-intro::before {
  content: "";
  position: absolute;
  top: -32%;
  right: -14%;
  width: 46%;
  height: 156%;
  background: linear-gradient(152deg, rgba(0, 180, 95, 0.2) 0%, rgba(255, 122, 26, 0.13) 58%, transparent 82%);
  transform: skewX(-10deg);
  pointer-events: none;
}

.page-about .about-intro .shell {
  position: relative;
  z-index: 1;
}

.page-about .about-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
  margin-top: clamp(18px, 3vw, 34px);
}

.page-about .about-intro h1 {
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0.3em 0 0.5em;
  max-width: 20ch;
}

.page-about .about-lead {
  max-width: 34em;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.78;
  color: var(--ink-2);
  margin: 0;
}

.page-about .about-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-about .about-facts {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(20px, 2.6vw, 28px);
  clip-path: var(--clip-panel);
}

.page-about .about-facts::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--green), var(--cyan) 55%, var(--orange));
}

.page-about .about-facts-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .about-facts ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-facts li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-invert);
}

.page-about .about-facts li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .about-facts .mono-num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 700;
  line-height: 1;
  color: var(--paper);
}

.page-about .about-facts .mono-num em {
  font-style: normal;
  font-size: 0.54em;
  color: var(--orange);
  margin-left: 2px;
}

.page-about .fact-label {
  flex: 1 1 100%;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(248, 251, 250, 0.72);
}

.page-about .about-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
  padding-top: clamp(32px, 5vw, 64px);
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-about .about-toc {
  display: none;
}

.page-about .about-toc-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-2);
}

.page-about .about-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .about-toc a {
  display: block;
  padding: 7px 10px 7px 12px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-3);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-about .about-toc a:hover {
  color: var(--green-deep);
  background: rgba(0, 180, 95, 0.07);
}

.page-about .about-toc a[aria-current="true"] {
  color: var(--ink);
  font-weight: 700;
  border-left-color: var(--green);
  background: rgba(0, 180, 95, 0.1);
}

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

.page-about .about-sec {
  padding: clamp(24px, 3.6vw, 42px) 0;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-sec h2 {
  margin: 0 0 0.55em;
  color: var(--ink);
}

.page-about .about-sec-lead {
  max-width: 36em;
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-2);
}

.page-about .wing {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 30px);
}

.page-about .wing-left {
  position: relative;
}

.page-about .wing-claim {
  margin: 12px 0 0;
  max-width: 20em;
  font-size: clamp(17px, 1.8vw, 21px);
  line-height: 1.55;
  font-weight: 700;
  color: var(--ink);
}

.page-about .wing-facts {
  margin: 18px 0 0;
  display: grid;
  gap: 2px;
}

.page-about .wing-facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
}

.page-about .wing-facts dt {
  font-size: 13px;
  color: var(--ink-2);
}

.page-about .wing-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
}

.page-about .wing-facts dd em {
  font-style: normal;
  font-size: 0.6em;
  color: var(--orange);
  margin-left: 2px;
}

.page-about .prose {
  color: var(--ink-2);
}

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

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

.page-about .prose--invert {
  color: rgba(248, 251, 250, 0.82);
  max-width: 40em;
}

.page-about .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .crew-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 30px);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-about .crew-photo {
  align-self: start;
}

.page-about .flow-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .flow-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.page-about .flow-step {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.2;
  color: var(--green-deep);
  background: rgba(0, 180, 95, 0.11);
  padding: 5px 8px;
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.page-about .flow-list h3 {
  margin: 0 0 4px;
  font-size: 15px;
  color: var(--ink);
}

.page-about .flow-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-2);
}

.page-about .roles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-about .roles li {
  position: relative;
  padding: 18px 16px 20px;
  background: var(--mist);
  clip-path: var(--clip-panel);
  transition: transform 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-about .roles li::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--orange);
  transform: scaleX(0.3);
  transform-origin: left center;
  transition: transform 0.24s var(--ease);
}

.page-about .roles li:hover,
.page-about .roles li:focus-within {
  transform: translateY(-4px);
  background: #DDE7ED;
}

.page-about .roles li:hover::before,
.page-about .roles li:focus-within::before {
  transform: scaleX(1);
}

.page-about .role-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
}

.page-about .role-num em {
  font-style: normal;
  font-size: 0.5em;
  color: var(--green-deep);
  margin-left: 2px;
}

.page-about .roles h3 {
  margin: 10px 0 6px;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-about .roles p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-2);
}

.page-about .about-band {
  position: relative;
  margin-top: clamp(16px, 2.4vw, 26px);
  padding: clamp(22px, 3.4vw, 36px) clamp(18px, 3vw, 34px) clamp(18px, 2.8vw, 30px);
  background: var(--wine);
  color: var(--paper);
  clip-path: var(--clip-panel);
  overflow: hidden;
}

.page-about .about-band--ink {
  background: var(--ink);
  margin-top: 0;
  padding: clamp(26px, 4vw, 44px) clamp(20px, 3.4vw, 40px) clamp(24px, 3.4vw, 38px);
}

.page-about .about-band-texture {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.17;
  pointer-events: none;
}

.page-about .about-band-texture img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-band-inner {
  position: relative;
  z-index: 1;
}

.page-about .about-band h2,
.page-about .about-band h3 {
  color: var(--paper);
}

.page-about .about-band h2 {
  margin: 0 0 0.6em;
}

.page-about .timeline {
  list-style: none;
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  padding: 0 0 10px;
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-about .timeline::-webkit-scrollbar {
  height: 6px;
}

.page-about .timeline::-webkit-scrollbar-thumb {
  background: rgba(37, 216, 206, 0.5);
  border-radius: 999px;
}

.page-about .timeline-node {
  flex: 0 0 min(80%, 300px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px 20px;
  background: rgba(248, 251, 250, 0.08);
  border-top: 2px solid var(--cyan);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

.page-about .timeline-year {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-about .timeline-node h3 {
  margin: 0;
  font-size: 15px;
}

.page-about .timeline-node p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(248, 251, 250, 0.8);
}

.page-about .archive-figure {
  margin-top: clamp(16px, 2.4vw, 24px);
}

.page-about .method-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .method-list li {
  position: relative;
  padding: 16px 18px 18px 22px;
  background: var(--mist);
  clip-path: var(--clip-panel);
}

.page-about .method-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--green), var(--cyan));
}

.page-about .method-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--green-deep);
  margin-bottom: 8px;
}

.page-about .method-body h3 {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--ink);
}

.page-about .method-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--ink-2);
}

.page-about .scale-grid {
  margin: clamp(20px, 3vw, 28px) 0 clamp(18px, 2.4vw, 24px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-about .scale-grid > div {
  padding: 14px 14px 16px;
  background: rgba(248, 251, 250, 0.07);
  clip-path: var(--clip-panel);
}

.page-about .scale-grid dt {
  margin-bottom: 6px;
  font-size: 12px;
  color: rgba(248, 251, 250, 0.68);
}

.page-about .scale-grid dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 700;
  line-height: 1;
  color: var(--paper);
}

.page-about .scale-grid dd em {
  font-style: normal;
  font-size: 0.5em;
  color: var(--cyan);
  margin-left: 2px;
}

.page-about .region-line {
  display: inline-block;
  margin: 0 0 20px;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
  background: var(--cyan);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.page-about .about-next {
  position: relative;
  padding: clamp(36px, 6vw, 72px) 0;
  background: var(--ink-2);
  color: var(--paper);
  overflow: hidden;
}

.page-about .about-next::before {
  content: "";
  position: absolute;
  inset: auto -8% -40% auto;
  width: 54%;
  height: 140%;
  background: linear-gradient(152deg, rgba(0, 180, 95, 0.24), rgba(255, 122, 26, 0.14) 60%, transparent 84%);
  transform: skewX(-10deg);
  pointer-events: none;
}

.page-about .about-next .shell {
  position: relative;
  z-index: 1;
}

.page-about .about-next-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
}

.page-about .about-next h2 {
  margin: 0 0 0.6em;
  color: var(--paper);
}

.page-about .about-next p {
  margin: 0;
  max-width: 32em;
  line-height: 1.78;
  color: rgba(248, 251, 250, 0.78);
}

.page-about .next-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .next-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--paper);
  text-decoration: none;
  background: rgba(248, 251, 250, 0.06);
  border-left: 3px solid var(--green);
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-about .next-links a::after {
  content: "\2192";
  font-family: var(--font-mono);
  color: var(--orange);
}

.page-about .next-links a:hover,
.page-about .next-links a:focus-visible {
  background: rgba(0, 180, 95, 0.16);
  border-left-color: var(--orange);
  transform: translateX(4px);
}

@media (min-width: 600px) {
  .page-about .roles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-about .scale-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-about .method-list li {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }

  .page-about .method-tag {
    margin-bottom: 0;
    padding-top: 4px;
  }
}

@media (min-width: 880px) {
  .page-about .about-intro-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .wing {
    grid-template-columns: minmax(0, 0.62fr) minmax(0, 1fr);
  }

  .page-about .wing-left::after {
    content: "";
    position: absolute;
    top: 4px;
    bottom: 4px;
    right: calc(-1 * clamp(12px, 2vw, 24px));
    width: 2px;
    background: linear-gradient(180deg, var(--cyan), rgba(37, 216, 206, 0));
    transform: skewX(-8deg);
    transform-origin: top center;
  }

  .page-about .crew-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-next-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-about .about-body {
    grid-template-columns: 176px minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-toc {
    display: block;
    position: sticky;
    top: 92px;
    padding-right: 8px;
    border-right: 1px solid var(--line-soft);
  }

  .page-about .roles {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .roles li,
  .page-about .roles li::before,
  .page-about .next-links a,
  .page-about .about-toc a {
    transition: none;
  }

  .page-about .roles li:hover,
  .page-about .roles li:focus-within,
  .page-about .next-links a:hover,
  .page-about .next-links a:focus-visible {
    transform: none;
  }
}