.page-about {
  --about-rail: 44px;
  background: var(--space);
  color: var(--paper);
  font-family: var(--font-serif);
  overflow-x: clip;
}

.page-about h1,
.page-about h2,
.page-about h3 {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--paper);
  margin: 0;
}

.page-about p {
  margin: 0;
}

.page-about a {
  color: var(--pulse);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease;
}

.page-about a:hover {
  border-bottom-color: var(--pulse);
}

.page-about .section {
  padding-block: clamp(56px, 9vw, 112px);
}

/* ---------- Intro ---------- */

.page-about .about-intro {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  padding-block: clamp(72px, 14vw, 148px) clamp(40px, 7vw, 80px);
  position: relative;
}

.page-about .about-intro-main {
  max-width: 900px;
}

.page-about .about-intro h1 {
  font-size: clamp(34px, 6vw, 68px);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 18px 0 26px;
}

.page-about .about-intro .lede {
  font-family: var(--font-serif);
  font-size: clamp(17px, 2vw, 19px);
  line-height: 1.9;
  color: var(--dust);
  max-width: 60ch;
}

.page-about .about-intro-mark {
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: var(--dust);
  border-top: 1px solid var(--edge);
  padding-top: 16px;
  max-width: 32ch;
  position: relative;
}

.page-about .about-intro-mark::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--violet);
}

@media (min-width: 900px) {
  .page-about .about-intro {
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
    align-items: end;
    column-gap: clamp(40px, 8vw, 110px);
  }
}

/* ---------- Manifesto ---------- */

.page-about .about-manifesto-grid {
  display: grid;
  gap: clamp(24px, 5vw, 48px);
}

.page-about .about-manifesto-grid h2 {
  font-size: clamp(30px, 4.6vw, 50px);
  line-height: 1.16;
  letter-spacing: -0.03em;
}

.page-about .about-manifesto-body p {
  font-size: clamp(16px, 1.8vw, 18px);
  line-height: 1.92;
  color: var(--dust);
  max-width: 62ch;
}

.page-about .about-manifesto-body p + p {
  margin-top: 20px;
}

@media (min-width: 900px) {
  .page-about .about-manifesto-grid {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    column-gap: clamp(48px, 9vw, 128px);
    align-items: start;
  }
}

/* ---------- Shared section head ---------- */

.page-about .about-section-head {
  max-width: 640px;
  margin-bottom: clamp(32px, 5vw, 56px);
}

.page-about .about-section-head h2 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.18;
  margin: 12px 0 18px;
}

.page-about .about-section-head p:not(.eyebrow) {
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.9;
  color: var(--dust);
  max-width: 56ch;
}

/* ---------- Media frames ---------- */

.page-about .about-media-frame,
.page-about .about-team-media,
.page-about .about-reach-media {
  border: 1px solid var(--edge);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--ink);
}

.page-about .about-media-frame img,
.page-about .about-team-media img,
.page-about .about-reach-media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-media-frame {
  margin-bottom: clamp(32px, 5vw, 56px);
}

.page-about .about-team-media {
  margin-bottom: clamp(28px, 4vw, 44px);
}

/* ---------- Timeline ---------- */

.page-about .about-nodes {
  list-style: none;
  margin: 0;
  padding: 0 0 0 var(--about-rail);
  position: relative;
  display: grid;
  gap: 4px;
}

.page-about .about-nodes::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 20px;
  bottom: 20px;
  width: 1px;
  background: linear-gradient(to bottom, var(--violet) 0%, var(--violet) 55%, var(--edge) 100%);
}

.page-about .about-node {
  position: relative;
}

.page-about .about-node::before {
  content: "";
  position: absolute;
  left: calc(var(--about-rail) * -1);
  top: 20px;
  width: 23px;
  height: 23px;
  border-radius: 50%;
  border: 1px solid var(--violet);
  background: var(--space);
  box-sizing: border-box;
  z-index: 1;
}

.page-about .about-node-details {
  border: 1px solid transparent;
  border-radius: var(--radius-m);
  padding: 0 clamp(12px, 2vw, 20px);
  transition: border-color 180ms ease;
}

.page-about .about-node-details:hover {
  border-color: var(--lilac);
}

.page-about .about-node-details[open] {
  border-color: var(--edge);
}

.page-about .about-node-summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 16px 0;
}

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

.page-about .about-node-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--nebula);
}

.page-about .about-node-title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(17px, 2.2vw, 22px);
  color: var(--paper);
  letter-spacing: -0.3px;
}

.page-about .about-node-toggle {
  width: 20px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--pulse);
}

.page-about .about-node-toggle::after {
  content: "+";
}

.page-about .about-node-details[open] .about-node-toggle::after {
  content: "−";
}

.page-about .about-node-body {
  padding: 0 0 20px;
  max-width: 60ch;
}

.page-about .about-node-body p {
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.9;
  color: var(--dust);
}

/* ---------- Team ---------- */

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

.page-about .about-team-card {
  border: 1px solid var(--edge);
  border-radius: var(--radius-m);
  padding: clamp(20px, 3vw, 28px);
  background: rgba(18, 36, 73, 0.88);
  transition: border-color 180ms ease, transform 180ms ease;
}

.page-about .about-team-card:nth-child(2) {
  background: rgba(18, 36, 73, 0.62);
}

.page-about .about-team-card:nth-child(3) {
  background: rgba(18, 36, 73, 0.38);
}

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

.page-about .about-team-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--violet);
  margin-bottom: 12px;
}

.page-about .about-team-card h3 {
  font-size: clamp(18px, 2.2vw, 22px);
  margin-bottom: 10px;
}

.page-about .about-team-card p:not(.about-team-num) {
  font-size: 15px;
  line-height: 1.82;
  color: var(--dust);
}

@media (min-width: 720px) {
  .page-about .about-team-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- Flow / rhythm ---------- */

.page-about .about-flow-grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}

.page-about .about-rhythm {
  margin: 0;
}

.page-about .about-rhythm-row {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--edge);
}

.page-about .about-rhythm-row:first-child {
  border-top: 1px solid var(--edge);
}

.page-about .about-rhythm dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--pulse);
}

.page-about .about-rhythm dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--paper);
}

.page-about .about-source {
  border: 1px solid var(--edge);
  border-radius: var(--radius-m);
  padding: 0 clamp(16px, 3vw, 24px);
  background: rgba(18, 36, 73, 0.32);
  align-self: start;
}

.page-about .about-source-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 18px 0;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 16px;
  color: var(--paper);
}

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

.page-about .about-source-summary::after {
  content: "⌄";
  font-size: 18px;
  line-height: 1;
  color: var(--pulse);
  transition: transform 200ms ease;
}

.page-about .about-source[open] .about-source-summary::after {
  transform: rotate(180deg);
}

.page-about .about-source-body {
  padding: 0 0 20px;
  max-width: 60ch;
}

.page-about .about-source-body p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--dust);
}

.page-about .about-source-body p + p {
  margin-top: 12px;
}

@media (min-width: 820px) {
  .page-about .about-flow-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
    column-gap: clamp(40px, 7vw, 80px);
  }
}

/* ---------- Reach ---------- */

.page-about .about-reach-grid {
  display: grid;
  gap: clamp(32px, 5vw, 64px);
}

.page-about .about-reach-body h2 {
  font-size: clamp(26px, 3.8vw, 40px);
  line-height: 1.2;
  margin: 12px 0 20px;
  max-width: 18ch;
}

.page-about .about-reach-body > p:not(.eyebrow) {
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.9;
  color: var(--dust);
  max-width: 52ch;
}

.page-about .about-stats {
  list-style: none;
  margin: clamp(28px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-about .about-stat-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-about .about-stat-num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 700;
  line-height: 1;
  color: var(--nebula);
}

.page-about .about-stat-label {
  font-size: 15px;
  color: var(--dust);
}

.page-about .about-stat-ruler {
  height: 10px;
  margin-top: 10px;
  border-bottom: 1px solid var(--edge);
  background-image: repeating-linear-gradient(
    to right,
    var(--edge) 0,
    var(--edge) 1px,
    transparent 1px,
    transparent 12px
  );
  background-size: 100% 5px;
  background-repeat: no-repeat;
}

@media (min-width: 900px) {
  .page-about .about-reach-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
    column-gap: clamp(48px, 7vw, 88px);
  }
}

/* ---------- Next links ---------- */

.page-about .about-next {
  margin-top: clamp(40px, 6vw, 72px);
  padding-top: clamp(24px, 4vw, 36px);
  border-top: 1px solid var(--edge);
  max-width: 64ch;
}

.page-about .about-next p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--dust);
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-team-card,
  .page-about .about-node-details,
  .page-about .about-source-summary::after,
  .page-about a {
    transition: none;
  }
}