.page-about {
  --about-line: rgba(27, 20, 16, 0.14);
  --about-line-soft: rgba(27, 20, 16, 0.08);
  --about-ink-soft: rgba(27, 20, 16, 0.72);
  --about-line-dark: rgba(246, 233, 210, 0.16);
  --about-cream-soft: rgba(246, 233, 210, 0.74);
  background: var(--c-navy);
  color: var(--c-cream);
  padding-block: 0 clamp(40px, 7vw, 88px);
  overflow-x: hidden;
}

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

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding-block: clamp(16px, 3vw, 26px) 0;
  font-size: var(--step--1);
  color: rgba(246, 233, 210, 0.62);
}

.page-about .breadcrumb a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus-visible {
  border-bottom-color: currentColor;
}

.page-about .about-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--c-amber);
  vertical-align: 1px;
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  display: grid;
  gap: clamp(28px, 5vw, 46px);
  padding-block: clamp(26px, 5vw, 52px) clamp(34px, 6vw, 72px);
}

.page-about .about-hero__kicker {
  margin: 0 0 18px;
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.page-about .about-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 8.4vw, 68px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--c-cream);
}

.page-about .about-hero__lede {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: var(--step-0);
  line-height: 1.85;
  color: var(--about-cream-soft);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about .about-hero__marks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  font-size: var(--step--1);
  color: rgba(246, 233, 210, 0.6);
}

.page-about .about-hero__marks li {
  position: relative;
  padding-left: 14px;
}

.page-about .about-hero__marks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 1px;
  background: var(--c-teal);
}

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

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius-l);
  border: 1px solid var(--about-line-dark);
  object-fit: cover;
  box-shadow: var(--shadow-soft);
}

.page-about .about-hero__caption {
  display: block;
  margin-top: 12px;
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  color: rgba(246, 233, 210, 0.5);
}

/* ---------- Body ---------- */
.page-about .about-body {
  background: var(--c-cream);
  color: var(--c-ink);
  border-radius: var(--radius-l);
  padding: clamp(22px, 4vw, 56px);
}

.page-about .about-body__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-about .about-index__title {
  margin: 0 0 12px;
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  color: var(--c-ember);
}

.page-about .about-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .about-index__list li {
  flex: 0 0 auto;
}

.page-about .about-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 6px 14px;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-pill);
  font-size: var(--step--1);
  color: var(--c-ink);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-about .about-index__list a .mono {
  color: var(--c-ember);
  font-size: 0.75rem;
}

.page-about .about-index__list a:hover,
.page-about .about-index__list a:focus-visible {
  background: rgba(31, 167, 184, 0.12);
  border-color: var(--c-teal);
}

/* ---------- Sections ---------- */
.page-about .about-sec {
  padding-block: clamp(26px, 4vw, 44px);
  border-top: 1px solid var(--about-line-soft);
}

.page-about .about-sec:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-about .about-sec__eyebrow {
  margin: 0 0 14px;
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  color: var(--c-ember);
}

.page-about .about-sec h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--c-ink);
}

.page-about .about-sec__lede {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: var(--step-0);
  line-height: 1.85;
  color: var(--about-ink-soft);
}

.page-about .about-sec h3 {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--step-1);
  line-height: 1.4;
  color: var(--c-ink);
}

/* ---------- Split rows ---------- */
.page-about .about-split {
  display: grid;
  gap: 0;
  margin-top: clamp(24px, 3.6vw, 38px);
  border-top: 1px solid var(--about-line-soft);
}

.page-about .about-split__row {
  display: grid;
  gap: 6px;
  padding-block: 18px;
  border-bottom: 1px solid var(--about-line-soft);
}

.page-about .about-split__row p {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--about-ink-soft);
}

/* ---------- Rules (details) ---------- */
.page-about .about-rules {
  margin-top: clamp(26px, 4vw, 40px);
}

.page-about .about-rules__title {
  margin: 0 0 6px;
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  color: var(--c-ember);
}

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

.page-about .about-rule summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-block: 16px;
  min-height: 44px;
  cursor: pointer;
  list-style: none;
  transition: color var(--dur) var(--ease);
}

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

.page-about .about-rule summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--c-teal);
}

.page-about .about-rule[open] summary::after {
  content: "–";
}

.page-about .about-rule summary:hover {
  color: var(--c-ember);
}

.page-about .about-rule__no {
  flex: 0 0 auto;
  font-size: var(--step--1);
  color: var(--c-ember);
}

.page-about .about-rule__name {
  font-weight: 700;
  font-size: var(--step-0);
}

.page-about .about-rule p {
  margin: 0 0 18px;
  padding-left: 0;
  font-size: var(--step-0);
  line-height: 1.85;
  color: var(--about-ink-soft);
}

/* ---------- Paths ---------- */
.page-about .about-paths {
  display: grid;
  gap: 18px;
  margin-top: clamp(24px, 3.6vw, 38px);
}

.page-about .about-path {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--c-paper);
  border: 1px solid var(--about-line);
  border-radius: var(--radius-m);
  box-shadow: 0 14px 30px -30px rgba(7, 26, 43, 0.7);
  transition: transform var(--dur-slow) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-path:hover {
  transform: translateY(-4px);
  border-color: var(--c-teal);
}

.page-about .about-path__no {
  display: block;
  font-size: var(--step--1);
  color: var(--c-ember);
  margin-bottom: 12px;
}

.page-about .about-path h3 {
  font-size: 1.1rem;
}

.page-about .about-path p {
  margin: 12px 0 18px;
  font-size: var(--step--1);
  line-height: 1.8;
  color: var(--about-ink-soft);
}

.page-about .about-path__link {
  display: inline-block;
  min-height: 30px;
  font-size: var(--step--1);
  font-weight: 700;
  color: var(--c-ember);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-about .about-path__link:hover,
.page-about .about-path__link:focus-visible {
  color: var(--c-ink);
}

/* ---------- Steps ---------- */
.page-about .about-steps {
  margin: clamp(24px, 3.6vw, 38px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-about .about-steps li {
  position: relative;
  padding: 0 0 22px 42px;
  border-left: 1px solid var(--about-line);
  margin-left: 6px;
}

.page-about .about-steps li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-about .about-steps__no {
  position: absolute;
  left: 0;
  top: -2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 22px;
  transform: translateX(-50%);
  background: var(--c-cream);
  font-size: 0.7rem;
  color: var(--c-ember);
}

.page-about .about-steps h3 {
  font-size: var(--step-0);
}

.page-about .about-steps p {
  margin: 8px 0 0;
  font-size: var(--step--1);
  line-height: 1.85;
  color: var(--about-ink-soft);
}

.page-about .about-stats {
  display: grid;
  gap: 16px;
  margin: clamp(28px, 4vw, 42px) 0 0;
  padding: 22px 0;
  list-style: none;
  border-top: 1px solid var(--about-line);
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-stats li {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-about .about-stats__num {
  flex: 0 0 auto;
  min-width: 68px;
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--c-ember);
}

.page-about .about-stats__label {
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--about-ink-soft);
}

/* ---------- Figures ---------- */
.page-about .about-figure {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-m);
  object-fit: cover;
  border: 1px solid var(--about-line);
}

.page-about .about-figure__caption {
  display: block;
  margin-top: 10px;
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  color: rgba(27, 20, 16, 0.5);
}

/* ---------- Quote ---------- */
.page-about .about-quote {
  position: relative;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 24px 22px 22px 26px;
  background: rgba(255, 162, 58, 0.1);
  border-left: 3px solid var(--c-ember);
  border-radius: 0 var(--radius-m) var(--radius-m) 0;
}

.page-about .about-quote p {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 3.4vw, 26px);
  line-height: 1.55;
  color: var(--c-ink);
}

.page-about .about-quote cite {
  display: block;
  margin-top: 14px;
  font-style: normal;
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  color: var(--c-ember);
}

/* ---------- Dark sections ---------- */
.page-about .about-sec--dark {
  margin-top: clamp(26px, 4vw, 42px);
  padding: clamp(24px, 4vw, 44px);
  background: var(--c-bridge);
  border: 1px solid var(--about-line-dark);
  border-radius: var(--radius-l);
  border-top: 1px solid var(--about-line-dark);
}

.page-about .about-sec--dark h2 {
  color: var(--c-cream);
}

.page-about .about-sec--dark .about-sec__eyebrow {
  color: var(--c-cyan);
}

.page-about .about-sec--dark .about-sec__lede {
  color: var(--about-cream-soft);
}

.page-about .about-sec--dark h3 {
  color: var(--c-cream);
}

/* ---------- Timeline / tabs ---------- */
.page-about .about-timeline {
  margin-top: clamp(24px, 3.6vw, 36px);
}

.page-about .about-timeline__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--about-line-dark);
}

.page-about .about-timeline__tab {
  flex: 0 0 auto;
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  min-height: 44px;
  padding: 10px 16px;
  background: transparent;
  border: 1px solid var(--about-line-dark);
  border-radius: var(--radius-s);
  color: rgba(246, 233, 210, 0.72);
  font-family: var(--font-body);
  font-size: var(--step--1);
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-timeline__tab .mono {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.page-about .about-timeline__tab[aria-selected="true"] {
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  color: var(--c-navy);
}

.page-about .about-timeline__tab[aria-selected="true"] .mono {
  color: var(--c-navy);
}

.page-about .about-timeline__tab:focus-visible {
  outline: 2px solid var(--c-amber);
  outline-offset: 2px;
}

.page-about .about-timeline__panel {
  padding-top: 26px;
}

.page-about .about-era {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-era li {
  position: relative;
  padding-left: 26px;
  padding-bottom: 24px;
  border-left: 1px solid var(--about-line-dark);
  margin-left: 4px;
}

.page-about .about-era li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-about .about-era li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-amber);
}

.page-about .about-era__ver {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 9px;
  border: 1px solid rgba(53, 224, 224, 0.4);
  border-radius: var(--radius-s);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.page-about .about-era h3 {
  font-size: var(--step-0);
}

.page-about .about-era p {
  margin: 8px 0 0;
  font-size: var(--step--1);
  line-height: 1.85;
  color: var(--about-cream-soft);
}

/* ---------- Team ---------- */
.page-about .about-team {
  display: grid;
  gap: 0;
  margin: clamp(24px, 3.6vw, 36px) 0 0;
  border-top: 1px solid var(--about-line);
}

.page-about .about-team__item {
  display: grid;
  gap: 4px;
  padding-block: 14px;
  border-bottom: 1px solid var(--about-line-soft);
}

.page-about .about-team dt {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--c-ember);
  letter-spacing: 0.04em;
}

.page-about .about-team dd {
  margin: 0;
  font-size: var(--step--1);
  line-height: 1.75;
  color: var(--about-ink-soft);
}

.page-about .about-net__scroll {
  margin-top: clamp(26px, 4vw, 40px);
  overflow-x: auto;
  padding-bottom: 6px;
}

.page-about .about-net {
  display: block;
  width: 100%;
  min-width: 520px;
  height: auto;
  color: var(--c-teal);
}

.page-about .about-net__nodes circle {
  fill: var(--c-amber);
}

.page-about .about-net__labels text {
  fill: rgba(27, 20, 16, 0.72);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

/* ---------- Promise ---------- */
.page-about .about-promise {
  margin: clamp(24px, 3.6vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--about-line-dark);
}

.page-about .about-promise li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  padding-block: 16px;
  border-bottom: 1px solid var(--about-line-dark);
}

.page-about .about-promise__no {
  font-size: var(--step--1);
  color: var(--c-cyan);
  padding-top: 2px;
}

.page-about .about-promise p {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.85;
  color: var(--about-cream-soft);
}

.page-about .about-promise strong {
  color: var(--c-cream);
  font-weight: 700;
}

.page-about .about-promise__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- Closing CTA ---------- */
.page-about .about-cta {
  margin-top: clamp(26px, 4vw, 44px);
  padding: clamp(26px, 4.4vw, 52px) clamp(22px, 4vw, 48px);
  border: 1px solid rgba(255, 162, 58, 0.34);
  border-radius: var(--radius-l);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(53, 224, 224, 0.14), transparent 58%),
    rgba(14, 42, 68, 0.55);
}

.page-about .about-cta h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.4vw, 36px);
  line-height: 1.24;
  color: var(--c-cream);
}

.page-about .about-cta p {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: var(--step-0);
  line-height: 1.85;
  color: var(--about-cream-soft);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- Responsive ---------- */
@media (min-width: 720px) {
  .page-about .about-split__row {
    grid-template-columns: minmax(180px, 0.42fr) minmax(0, 1fr);
    gap: 28px;
    align-items: baseline;
  }

  .page-about .about-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-about .about-stats li {
    display: block;
  }

  .page-about .about-stats__num {
    display: block;
    min-width: 0;
    margin-bottom: 6px;
    font-size: 2rem;
  }

  .page-about .about-team {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-team__item {
    padding-right: 24px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
    gap: clamp(36px, 5vw, 64px);
  }

  .page-about .about-hero__figure {
    align-self: stretch;
  }

  .page-about .about-hero__figure img {
    height: 100%;
    min-height: 340px;
  }

  .page-about .about-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-about .about-path:nth-child(2) {
    margin-top: 26px;
  }

  .page-about .about-path:nth-child(3) {
    margin-top: 52px;
  }

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

@media (min-width: 1000px) {
  .page-about .about-body__grid {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: clamp(30px, 4vw, 60px);
  }

  .page-about .about-index {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-about .about-index__list {
    flex-direction: column;
    overflow: visible;
    gap: 2px;
    padding-bottom: 0;
  }

  .page-about .about-index__list a {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 8px 0 8px 12px;
    min-height: 38px;
    white-space: normal;
    color: var(--about-ink-soft);
    transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  }

  .page-about .about-index__list a:hover,
  .page-about .about-index__list a:focus-visible {
    background: transparent;
    border-left-color: var(--c-teal);
    color: var(--c-ink);
  }

  .page-about .about-sec__lede {
    font-size: 1.05rem;
  }

  .page-about .about-content {
    max-width: 78ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-path,
  .page-about .about-timeline__tab,
  .page-about .about-index__list a {
    transition: none;
  }

  .page-about .about-path:hover {
    transform: none;
  }
}