.page-about {
  --about-line-w: 3px;
  --about-node: 18px;
  color: var(--paper);
}

/* ---------- HERO ---------- */
.page-about .about-hero {
  position: relative;
  padding: calc(var(--header-h) + 48px) 0 0;
  background:
    radial-gradient(120% 80% at 82% 0%, rgba(31, 216, 180, 0.16) 0%, rgba(10, 59, 56, 0) 62%),
    var(--ink-900);
  overflow: hidden;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 32px;
  padding-bottom: 40px;
}

.page-about .about-hero__eyebrow {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-500);
}

.page-about .about-hero__title {
  margin: 0 0 22px;
  font-size: clamp(34px, 7vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--paper);
}

.page-about .about-hero__lede {
  margin: 0 0 28px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

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

.page-about .about-hero__index {
  border: 1px solid rgba(43, 245, 200, 0.24);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(10, 59, 56, 0.85) 0%, rgba(14, 47, 42, 0.92) 100%);
  padding: 20px;
}

.page-about .about-hero__index-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.page-about .about-hero__index-clock {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan-300);
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 12px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-about .about-hero__facts li {
  border-top: 1px solid rgba(138, 168, 161, 0.22);
  padding-top: 10px;
}

.page-about .about-hero__facts .stat__value {
  display: block;
  font-family: var(--font-num);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan-500);
}

.page-about .about-hero__facts .stat__value em {
  font-style: normal;
  font-size: 14px;
  margin-left: 2px;
  color: var(--cyan-300);
}

.page-about .about-hero__facts .stat__label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-about .about-hero__index-note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(43, 245, 200, 0.28);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .about-hero__figure {
  position: relative;
  margin-top: 8px;
}

.page-about .about-hero__figure::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 33, 29, 0.1) 0%, rgba(7, 33, 29, 0.92) 100%);
  z-index: 1;
  pointer-events: none;
}

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: clamp(180px, 34vw, 380px);
  object-fit: cover;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
}

/* ---------- ORIGIN ---------- */
.page-about .about-origin {
  background: var(--ink-900);
}

.page-about .about-origin__body {
  align-items: start;
}

.page-about .about-origin__prose p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper);
}

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

.page-about .about-origin__aside .data-card {
  background: var(--ink-800);
  border-radius: var(--r-lg);
  border-left: 3px solid var(--cyan-500);
  padding: 22px;
}

.page-about .about-origin__diffs {
  margin: 14px 0 0;
  display: grid;
  gap: 14px;
}

.page-about .about-origin__diffs > div {
  border-top: 1px dashed rgba(138, 168, 161, 0.28);
  padding-top: 12px;
}

.page-about .about-origin__diffs > div:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-origin__diffs dt {
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan-300);
  margin-bottom: 4px;
}

.page-about .about-origin__diffs dd {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- GROWTH LINE ---------- */
.page-about .about-line {
  position: relative;
  padding: 64px 0;
  background:
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 45%, var(--ink-900) 100%);
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-about .about-line__track {
  position: relative;
  height: 6px;
  border-radius: var(--r-pill);
  background: rgba(138, 168, 161, 0.18);
  margin: 0 0 36px;
  overflow: hidden;
}

.page-about .about-line__fill {
  position: absolute;
  inset: 0;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--grad-a) 0%, var(--grad-b) 55%, var(--cyan-500) 100%);
}

.page-about .about-line__list {
  position: relative;
  margin: 0;
  padding: 0 0 0 26px;
  list-style: none;
  border-left: var(--about-line-w) solid rgba(43, 245, 200, 0.32);
  display: grid;
  gap: 22px;
}

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

.page-about .about-line__node {
  position: absolute;
  left: calc(-26px - (var(--about-node) / 2) - (var(--about-line-w) / 2));
  top: 6px;
  width: var(--about-node);
  height: var(--about-node);
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--cyan-500);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 4px rgba(7, 33, 29, 0.9);
}

.page-about .about-line__node span {
  font-family: var(--font-num);
  font-size: 9px;
  font-weight: 700;
  color: var(--cyan-500);
}

.page-about .about-line__item--current .about-line__node {
  border-color: var(--orange-500);
  background: var(--ink-900);
}

.page-about .about-line__item--current .about-line__node span {
  color: var(--orange-500);
}

.page-about .about-line__card {
  background: var(--ink-800);
  border: 1px solid rgba(138, 168, 161, 0.16);
  border-radius: var(--r-lg);
  padding: 20px;
}

.page-about .about-line__item--current .about-line__card {
  border-color: rgba(255, 90, 43, 0.48);
  background: linear-gradient(160deg, rgba(18, 66, 59, 0.9) 0%, rgba(14, 47, 42, 0.95) 100%);
}

.page-about .about-line__stage {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange-500);
}

.page-about .about-line__title {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.4;
  font-weight: 800;
  color: var(--paper);
}

.page-about .about-line__card p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

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

.page-about .about-line__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.page-about .about-line__more {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(138, 168, 161, 0.26);
  font-size: 13px;
}

.page-about .about-line__more a,
.page-about .about-eco__footnote a,
.page-about .about-people__link a,
.page-about .about-cta__note a {
  color: var(--cyan-500);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 245, 200, 0.4);
}

.page-about .about-line__more a:hover,
.page-about .about-eco__footnote a:hover,
.page-about .about-people__link a:hover,
.page-about .about-cta__note a:hover {
  color: var(--cyan-300);
  border-bottom-color: var(--cyan-300);
}

/* ---------- DATA ---------- */
.page-about .about-data {
  background: var(--ink-900);
}

.page-about .about-data__grid {
  margin-bottom: 40px;
}

.page-about .about-data__card {
  position: relative;
  background: var(--ink-800);
  border-radius: var(--r-lg);
  border-left: 3px solid var(--cyan-500);
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
}

.page-about .about-data__num {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: rgba(43, 245, 200, 0.28);
}

.page-about .about-data__name {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 800;
  color: var(--paper);
}

.page-about .about-data__desc {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  flex: 1 1 auto;
}

.page-about .about-data__meta {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(138, 168, 161, 0.24);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan-300);
}

.page-about .about-data__rhythm {
  display: grid;
  gap: 22px;
  background: linear-gradient(150deg, rgba(18, 66, 59, 0.7) 0%, rgba(10, 59, 56, 0.35) 100%);
  border-radius: var(--r-lg);
  padding: 26px 22px;
  margin-bottom: 40px;
}

.page-about .about-data__rhythm-title {
  margin: 0 0 12px;
  font-size: clamp(20px, 4vw, 26px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--paper);
}

.page-about .about-data__rhythm-copy p:not(.section__eyebrow) {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

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

.page-about .about-data__timeline li {
  display: flex;
  gap: 14px;
  align-items: baseline;
  background: rgba(7, 33, 29, 0.55);
  border-radius: var(--r-md);
  padding: 12px 16px;
}

.page-about .about-data__time {
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan-500);
}

.page-about .about-data__what {
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper);
}

.page-about .about-data__figure {
  border-radius: var(--r-lg);
}

/* ---------- ECO ---------- */
.page-about .about-eco {
  padding: 64px 0;
  background:
    radial-gradient(90% 70% at 20% 0%, rgba(31, 216, 180, 0.1) 0%, rgba(7, 33, 29, 0) 60%),
    var(--ink-800);
}

.page-about .about-eco__map {
  position: relative;
  display: grid;
  gap: 18px;
  margin-bottom: 26px;
}

.page-about .about-eco__hub {
  position: relative;
  z-index: 2;
  border-radius: var(--r-lg);
  background: linear-gradient(140deg, var(--grad-a) 0%, var(--grad-b) 130%);
  padding: 20px;
  text-align: center;
}

.page-about .about-eco__hub-label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(7, 33, 29, 0.72);
}

.page-about .about-eco__hub-value {
  margin: 0;
  font-family: var(--font-num);
  font-size: 42px;
  font-weight: 700;
  line-height: 1;
  color: var(--ink-900);
}

.page-about .about-eco__hub-value em {
  font-style: normal;
  font-size: 14px;
  font-weight: 600;
  margin-left: 8px;
  color: rgba(7, 33, 29, 0.78);
}

.page-about .about-eco__node {
  position: relative;
  z-index: 2;
  background: var(--ink-900);
  border: 1px solid rgba(43, 245, 200, 0.22);
  border-radius: var(--r-lg);
  padding: 18px 20px;
}

.page-about .about-eco__node--ops {
  border-color: rgba(255, 90, 43, 0.4);
}

.page-about .about-eco__node-name {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 800;
  color: var(--cyan-300);
}

.page-about .about-eco__node--ops .about-eco__node-name {
  color: var(--warn);
}

.page-about .about-eco__node-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.78;
  color: var(--muted);
}

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

.page-about .about-eco__footnote {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- HONOR ---------- */
.page-about .about-honor {
  background: var(--ink-900);
}

.page-about .about-honor__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-about .about-honor__item {
  background: var(--ink-800);
  border-radius: var(--r-md);
  border-left: 3px solid var(--cyan-500);
  padding: 16px 20px;
}

.page-about .about-honor__badge {
  display: inline-block;
  margin-bottom: 8px;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  background: rgba(43, 245, 200, 0.14);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan-500);
}

.page-about .about-honor__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--paper);
}

.page-about .about-honor__standards {
  background: linear-gradient(160deg, rgba(18, 66, 59, 0.75) 0%, rgba(14, 47, 42, 0.95) 100%);
  border-radius: var(--r-lg);
  padding: 22px;
}

.page-about .about-honor__standards dl {
  margin: 14px 0 0;
  display: grid;
  gap: 14px;
}

.page-about .about-honor__standards dl > div {
  border-top: 1px dashed rgba(138, 168, 161, 0.26);
  padding-top: 12px;
}

.page-about .about-honor__standards dl > div:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-honor__standards dt {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan-300);
  margin-bottom: 4px;
}

.page-about .about-honor__standards dd {
  margin: 0;
  font-size: 13px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- PEOPLE ---------- */
.page-about .about-people {
  padding: 64px 0;
  background:
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-700) 120%);
}

.page-about .about-people__inner {
  align-items: start;
  margin-bottom: 34px;
}

.page-about .about-people__copy p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper);
}

.page-about .about-people__card {
  background: rgba(7, 33, 29, 0.72);
  border: 1px solid rgba(43, 245, 200, 0.2);
  border-radius: var(--r-lg);
  padding: 22px;
}

.page-about .about-people__team {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-about .about-people__team li {
  border-top: 1px dashed rgba(138, 168, 161, 0.26);
  padding-top: 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px;
}

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

.page-about .about-people__num {
  font-family: var(--font-num);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan-500);
}

.page-about .about-people__unit {
  font-size: 13px;
  color: var(--cyan-300);
  margin-right: 6px;
}

.page-about .about-people__role {
  flex: 1 1 100%;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .about-people__link {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-people__figure {
  border-radius: var(--r-lg);
}

/* ---------- CTA ---------- */
.page-about .about-cta {
  background: var(--ink-700);
  padding: 52px 0 56px;
}

.page-about .about-cta__inner {
  display: grid;
  gap: 22px;
}

.page-about .about-cta__title {
  margin: 0 0 12px;
  font-size: clamp(24px, 4.6vw, 34px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about .about-cta__lede {
  margin: 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

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

.page-about .about-cta__note {
  margin: 0;
  padding-top: 16px;
  border-top: 1px dashed rgba(138, 168, 161, 0.3);
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- RESPONSIVE ---------- */
@media (min-width: 720px) {
  .page-about .about-hero {
    padding-top: calc(var(--header-h) + 72px);
  }

  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
    gap: 44px;
    padding-bottom: 52px;
  }

  .page-about .about-hero__index {
    margin-top: 12px;
  }

  .page-about .about-line {
    padding: 80px 0;
  }

  .page-about .about-line__list {
    padding-left: 40px;
    gap: 26px;
  }

  .page-about .about-line__node {
    left: calc(-40px - (var(--about-node) / 2) - (var(--about-line-w) / 2));
  }

  .page-about .about-line__card {
    padding: 24px 28px;
  }

  .page-about .about-data__rhythm {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    padding: 32px;
  }

  .page-about .about-eco {
    padding: 80px 0;
  }

  .page-about .about-eco__map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-about .about-eco__hub {
    grid-column: 1 / -1;
    max-width: 420px;
    margin: 0 auto;
  }

  .page-about .about-people {
    padding: 80px 0;
  }

  .page-about .about-cta {
    padding: 68px 0 72px;
  }

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
    gap: 32px;
  }

  .page-about .about-cta__note {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1020px) {
  .page-about .about-hero__facts .stat__value {
    font-size: 32px;
  }

  .page-about .about-line__item {
    max-width: 780px;
  }

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

  .page-about .about-eco__hub {
    grid-column: 1 / -1;
  }

  .page-about .about-eco__wire {
    display: block;
    position: absolute;
    z-index: 1;
    top: 50%;
    height: 2px;
    background: linear-gradient(90deg, rgba(43, 245, 200, 0.55) 0%, rgba(43, 245, 200, 0) 100%);
  }

  .page-about .about-eco__wire--a {
    left: 12%;
    width: 24%;
  }

  .page-about .about-eco__wire--b {
    left: 44%;
    width: 18%;
  }

  .page-about .about-eco__wire--c {
    left: 68%;
    width: 22%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-line__fill {
    background: var(--cyan-500);
  }
}