.page-about {
  --ab-rule: 1px solid rgba(126, 146, 168, 0.32);
  --ab-rule-strong: 2px solid var(--black);
  background: var(--ink-950);
  color: var(--paper);
  overflow-x: clip;
}

.page-about .wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-about .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--neon-500);
  margin: 0 0 10px;
}

.page-about .section--paper .eyebrow,
.page-about .ab-origin .eyebrow,
.page-about .ab-team .eyebrow {
  color: var(--ink-700);
}

/* ---------- Hero ---------- */
.page-about .ab-hero {
  position: relative;
  padding-block: clamp(18px, 4vw, 34px) clamp(40px, 6vw, 72px);
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(184, 255, 61, 0.16), transparent 58%),
    radial-gradient(90% 70% at 0% 110%, rgba(18, 52, 90, 0.9), transparent 70%),
    linear-gradient(180deg, var(--ink-950), var(--ink-900));
  border-bottom: 3px solid var(--black);
}

.page-about .ab-hero .breadcrumb {
  margin-bottom: clamp(20px, 4vw, 36px);
}

.page-about .ab-hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-about .ab-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon-500);
  box-shadow: 0 0 0 4px rgba(184, 255, 61, 0.18);
  animation: ab-pulse 2.4s ease-in-out infinite;
}

@keyframes ab-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(184, 255, 61, 0.18); }
  50% { box-shadow: 0 0 0 8px rgba(184, 255, 61, 0.06); }
}

.page-about .ab-hero-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2.1rem, 7.2vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--paper);
}

.page-about .ab-hero-lede {
  max-width: 60ch;
  font-size: clamp(0.98rem, 1.5vw, 1.08rem);
  line-height: 1.78;
  color: rgba(245, 247, 242, 0.82);
  margin: 0 0 24px;
}

.page-about .ab-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .ab-keycard {
  border: 2px solid var(--neon-500);
  background: rgba(5, 13, 24, 0.72);
  box-shadow: 6px 6px 0 var(--black);
  padding: 18px 18px 14px;
}

.page-about .ab-keycard-label {
  margin: 0 0 12px;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--slate);
}

.page-about .ab-keylist {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-about .ab-keyrow {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: var(--ab-rule);
}

.page-about .ab-keyrow:last-child {
  border-bottom: 0;
}

.page-about .ab-keyrow dt {
  font-size: 0.82rem;
  color: rgba(245, 247, 242, 0.66);
}

.page-about .ab-keyrow dd {
  margin: 0;
  font-size: 1.02rem;
  color: var(--paper);
  font-weight: 600;
}

.page-about .ab-keyrow dd .mono {
  color: var(--neon-500);
  font-size: 1.18rem;
  letter-spacing: -0.01em;
}

.page-about .ab-hero-media {
  margin: clamp(28px, 5vw, 48px) 0 0;
  border: var(--ab-rule-strong);
  box-shadow: var(--shadow-hard);
  background: var(--ink-700);
}

.page-about .ab-hero-media img,
.page-about .ab-editor-media img,
.page-about .ab-partner-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .media-caption {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--slate);
  padding: 8px 12px;
  background: var(--ink-950);
  border-top: var(--ab-rule);
}

/* ---------- Origin ---------- */
.page-about .ab-origin .grid {
  align-items: start;
}

.page-about .ab-origin .h2 {
  margin: 0 0 16px;
}

.page-about .ab-origin p {
  margin: 0 0 14px;
  line-height: 1.82;
  color: #253040;
}

.page-about .ab-origin-side .panel {
  border: var(--ab-rule-strong);
  box-shadow: var(--shadow-hard);
  background: var(--paper);
}

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

.page-about .ab-check li {
  padding-left: 16px;
  border-left: 3px solid var(--ink-700);
  font-size: 0.92rem;
  line-height: 1.68;
  color: #26313f;
}

.page-about .ab-check strong {
  display: inline-block;
  color: var(--black);
  font-family: var(--font-head);
  letter-spacing: 0.02em;
  margin-right: 4px;
}

/* ---------- Data coverage ---------- */
.page-about .ab-sec-head {
  max-width: 68ch;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-about .ab-sec-head .h2 {
  margin: 0 0 12px;
}

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

.page-about .ab-stat {
  grid-column: span 1;
  border: 2px solid rgba(126, 146, 168, 0.4);
  background: linear-gradient(160deg, var(--ink-900), var(--ink-950));
  padding: 16px 14px 18px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-about .ab-stat--lg,
.page-about .ab-stat--wide {
  grid-column: span 2;
}

.page-about .ab-stat--lg {
  border-color: var(--neon-500);
  background: linear-gradient(150deg, rgba(184, 255, 61, 0.12), var(--ink-900) 62%);
}

.page-about .ab-stat:hover {
  border-color: var(--neon-500);
  transform: translateY(-2px);
}

.page-about .ab-stat-num {
  margin: 0;
  font-size: clamp(1.9rem, 5vw, 3.2rem);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--neon-500);
}

.page-about .ab-stat--lg .ab-stat-num {
  font-size: clamp(2.6rem, 8vw, 4.6rem);
}

.page-about .ab-plus {
  font-size: 0.55em;
  vertical-align: super;
  margin-left: 2px;
}

.page-about .ab-stat-name {
  margin: 8px 0 10px;
  font-family: var(--font-head);
  font-size: 0.96rem;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-about .ab-stat-note {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.65;
  color: rgba(245, 247, 242, 0.62);
  border-top: var(--ab-rule);
  padding-top: 10px;
}

/* ---------- Editor ---------- */
.page-about .ab-editor {
  background: var(--ink-950);
}

.page-about .ab-editor-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-about .ab-editor-copy .h2 {
  margin: 0 0 16px;
}

.page-about .ab-editor-copy > p {
  color: rgba(245, 247, 242, 0.76);
  line-height: 1.82;
  margin: 0 0 16px;
}

.page-about .ab-flow {
  list-style: none;
  margin: 24px 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-left: 2px solid rgba(184, 255, 61, 0.35);
}

.page-about .ab-flow-step {
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 8px;
  padding: 0 0 20px 14px;
}

.page-about .ab-flow-step::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  background: var(--neon-500);
  border: 2px solid var(--ink-950);
  border-radius: 50%;
}

.page-about .ab-flow-num {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--neon-500);
  padding-top: 3px;
}

.page-about .ab-flow-step .h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 1rem;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-about .ab-flow-step p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.68;
  color: rgba(245, 247, 242, 0.64);
}

.page-about .ab-editor-note {
  font-family: var(--font-editorial);
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--neon-300);
  border-left: 3px solid var(--neon-500);
  padding-left: 14px;
  margin: 0;
}

.page-about .ab-editor-media {
  margin: 0;
  border: var(--ab-rule-strong);
  box-shadow: var(--shadow-hard);
  background: var(--ink-700);
}

/* ---------- Versions timeline ---------- */
.page-about .ab-versions {
  background: var(--ink-900);
  border-top: 2px solid var(--black);
  border-bottom: 2px solid var(--black);
}

.page-about .ab-tl-layout {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-about .ab-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 22px;
  border-left: 2px solid rgba(126, 146, 168, 0.4);
}

.page-about .ab-node {
  position: relative;
  padding: 0 0 clamp(22px, 3vw, 30px);
}

.page-about .ab-node:last-child {
  padding-bottom: 0;
}

.page-about .ab-node-dot {
  position: absolute;
  left: -29px;
  top: 5px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--neon-500);
  box-shadow: 0 0 0 4px rgba(184, 255, 61, 0.12);
}

.page-about .ab-node-year {
  margin: 0 0 4px;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--neon-500);
}

.page-about .ab-node-title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: clamp(1.05rem, 2.4vw, 1.32rem);
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-about .ab-node-text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(245, 247, 242, 0.66);
  max-width: 56ch;
}

.page-about .ab-vercard {
  border: 2px solid var(--neon-500);
  background: rgba(5, 13, 24, 0.85);
  box-shadow: 6px 6px 0 var(--black);
  padding: 20px 18px;
}

.page-about .ab-vercard-tag {
  margin: 0 0 6px;
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  color: var(--slate);
}

.page-about .ab-vercard-num {
  margin: 0;
  font-size: clamp(2.4rem, 8vw, 3.4rem);
  line-height: 1;
  font-weight: 700;
  color: var(--neon-500);
  letter-spacing: -0.03em;
}

.page-about .ab-vercard-name {
  margin: 6px 0 16px;
  font-family: var(--font-editorial);
  font-size: 1.02rem;
  color: var(--paper);
}

.page-about .ab-verlist {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .ab-verlist li {
  position: relative;
  padding-left: 16px;
  font-size: 0.84rem;
  line-height: 1.65;
  color: rgba(245, 247, 242, 0.7);
}

.page-about .ab-verlist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--neon-500);
}

/* ---------- Partners ---------- */
.page-about .ab-partners {
  background: var(--paper);
  color: var(--black);
}

.page-about .ab-partner-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-about .ab-partner-media {
  margin: 0;
  border: var(--ab-rule-strong);
  box-shadow: var(--shadow-hard);
  background: var(--ink-700);
}

.page-about .ab-partner-copy .h2 {
  color: var(--black);
  margin: 0 0 16px;
}

.page-about .ab-partner-copy > p {
  color: #253040;
  line-height: 1.82;
  margin: 0 0 20px;
}

.page-about .ab-partner-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .ab-partner-list li {
  display: grid;
  gap: 6px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(7, 11, 16, 0.16);
}

.page-about .ab-partner-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .ab-partner-list .tag {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border: 1px solid var(--black);
}

.page-about .ab-partner-list p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: #2c3746;
}

/* ---------- Team ---------- */
.page-about .ab-team-grid {
  display: grid;
  gap: 14px;
}

.page-about .ab-role {
  border: var(--ab-rule-strong);
  background: var(--paper);
  padding: 18px 16px 20px;
  box-shadow: 4px 4px 0 var(--black);
}

.page-about .ab-role-tag {
  margin: 0 0 8px;
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  color: var(--ink-700);
}

.page-about .ab-role .h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 1.08rem;
  color: var(--black);
}

.page-about .ab-role p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.72;
  color: #2c3746;
}

.page-about .ab-culture {
  margin-top: clamp(20px, 3vw, 30px);
  border-top: 3px solid var(--black);
  padding-top: 18px;
}

.page-about .ab-culture-text {
  margin: 0;
  font-family: var(--font-editorial);
  font-size: clamp(1.02rem, 2vw, 1.2rem);
  line-height: 1.78;
  color: #1d2735;
  max-width: 78ch;
}

/* ---------- Pledge + contact ---------- */
.page-about .ab-pledge-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-about .ab-pledge-quote .h2 {
  margin: 0 0 18px;
}

.page-about .ab-quote {
  margin: 0 0 22px;
  padding: 18px 18px 18px 20px;
  border: 2px solid var(--neon-500);
  border-left-width: 8px;
  background: rgba(18, 52, 90, 0.42);
  box-shadow: 6px 6px 0 var(--black);
}

.page-about .ab-quote p {
  margin: 0;
  font-family: var(--font-editorial);
  font-size: clamp(1.05rem, 2.2vw, 1.34rem);
  line-height: 1.72;
  color: var(--paper);
}

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

.page-about .ab-pledge-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  font-size: 0.9rem;
  line-height: 1.72;
  color: rgba(245, 247, 242, 0.76);
}

.page-about .ab-pledge-num {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--neon-500);
}

.page-about .ab-contact-card {
  border: 2px solid rgba(126, 146, 168, 0.5);
  background: linear-gradient(165deg, var(--ink-900), var(--ink-950));
  padding: 20px 18px 22px;
  box-shadow: 6px 6px 0 var(--black);
}

.page-about .ab-contact-title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: clamp(1.1rem, 2.6vw, 1.36rem);
  line-height: 1.28;
  color: var(--paper);
}

.page-about .ab-contact-lede {
  margin: 0 0 18px;
  font-size: 0.86rem;
  line-height: 1.7;
  color: rgba(245, 247, 242, 0.64);
}

.page-about .ab-contact-list {
  margin: 0 0 14px;
  display: grid;
  gap: 0;
}

.page-about .ab-contact-row {
  display: grid;
  gap: 3px;
  padding: 10px 0;
  border-bottom: var(--ab-rule);
}

.page-about .ab-contact-row:last-child {
  border-bottom: 0;
}

.page-about .ab-contact-row dt {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.page-about .ab-contact-row dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--paper);
  word-break: break-word;
}

.page-about .ab-contact-row dd.mono {
  color: var(--neon-300);
  user-select: all;
}

.page-about .ab-contact-note {
  margin: 0 0 18px;
  font-size: 0.78rem;
  line-height: 1.65;
  color: rgba(245, 247, 242, 0.52);
}

.page-about .ab-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Responsive ---------- */
@media (min-width: 640px) {
  .page-about .ab-data-grid {
    gap: 16px;
  }

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

  .page-about .ab-stat {
    padding: 20px 18px 22px;
  }
}

@media (min-width: 900px) {
  .page-about .ab-hero-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.82fr);
    align-items: end;
  }

  .page-about .ab-hero-side {
    padding-bottom: 6px;
  }

  .page-about .ab-data-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .ab-stat {
    grid-column: span 3;
  }

  .page-about .ab-stat--lg,
  .page-about .ab-stat--wide {
    grid-column: span 6;
  }

  .page-about .ab-editor-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-about .ab-editor-media {
    position: sticky;
    top: 96px;
  }

  .page-about .ab-tl-layout {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.72fr);
  }

  .page-about .ab-tl-aside {
    position: sticky;
    top: 96px;
  }

  .page-about .ab-partner-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }

  .page-about .ab-pledge-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-about .ab-contact-card {
    position: sticky;
    top: 96px;
  }
}

@media (max-width: 420px) {
  .page-about .ab-data-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-about .ab-stat--lg,
  .page-about .ab-stat--wide {
    grid-column: span 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-dot {
    animation: none;
  }

  .page-about .ab-stat {
    transition: none;
  }

  .page-about .ab-stat:hover {
    transform: none;
  }
}