.page-about {
  --about-rail: 200px;
  --about-gap: clamp(20px, 3vw, 36px);
  background: var(--paper);
  color: var(--ink);
}

.page-about .about-wrap {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: var(--edge);
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding-block: clamp(18px, 2.6vw, 30px) clamp(36px, 5.4vw, 68px);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -150px;
  right: -150px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle at center, rgba(230, 57, 70, 0.38), transparent 68%);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--red) 0 34%, var(--yellow) 34% 68%, var(--cyan) 68% 100%);
}

.page-about .breadcrumbs {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(247, 244, 239, 0.6);
  margin-bottom: clamp(20px, 3vw, 36px);
}

.page-about .breadcrumbs a {
  color: rgba(247, 244, 239, 0.88);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-about .breadcrumbs a:hover,
.page-about .breadcrumbs a:focus-visible {
  color: var(--yellow);
}

.page-about .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-about .hero-copy .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--yellow);
}

.page-about .about-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(28px, 5.2vw, 60px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.012em;
  max-width: 100%;
  text-wrap: balance;
}

.page-about .hero-lede {
  margin: 0 0 26px;
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.9;
  color: rgba(247, 244, 239, 0.82);
  max-width: 48ch;
}

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

.page-about .hero-actions .btn--ghost {
  background: transparent;
  border: 1px solid rgba(247, 244, 239, 0.42);
  color: var(--paper);
}

.page-about .hero-actions .btn--ghost:hover,
.page-about .hero-actions .btn--ghost:focus-visible {
  border-color: var(--yellow);
  color: var(--yellow);
}

/* ---------- Year board ---------- */
.page-about .year-board {
  position: relative;
  border: 1px solid rgba(247, 244, 239, 0.18);
  background: rgba(247, 244, 239, 0.07);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  padding: 18px 20px 20px;
  border-radius: 2px;
}

.page-about .year-board__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(247, 244, 239, 0.55);
}

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

.page-about .year-board__list li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 9px;
  border-bottom: 1px dashed rgba(247, 244, 239, 0.16);
}

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

.page-about .year-board__yr {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--yellow);
}

.page-about .year-board__list li:nth-child(2n) .year-board__yr {
  color: var(--cyan);
}

.page-about .year-board__tx {
  font-size: 12.5px;
  line-height: 1.55;
  color: rgba(247, 244, 239, 0.8);
}

/* ---------- Body layout ---------- */
.page-about .about-body {
  padding-block: clamp(26px, 4vw, 52px) clamp(44px, 6vw, 84px);
}

.page-about .about-layout {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

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

/* ---------- Rail ---------- */
.page-about .about-rail {
  border-top: 3px solid var(--ink);
  padding-top: 12px;
}

.page-about .rail-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-about .rail-list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-about .rail-list::-webkit-scrollbar {
  display: none;
}

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

.page-about .rail-list a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  background: rgba(247, 244, 239, 0.92);
  color: var(--slate);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-about .rail-list a .mono {
  font-size: 11px;
  color: var(--red);
}

.page-about .rail-list a:hover,
.page-about .rail-list a:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-about .rail-list a:hover .mono,
.page-about .rail-list a:focus-visible .mono {
  color: var(--yellow);
}

.page-about .rail-list a:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}

/* ---------- Blocks ---------- */
.page-about .about-block {
  padding-block: clamp(26px, 3.8vw, 48px);
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 90px;
}

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

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

.page-about .plaque {
  display: inline-flex;
  align-items: stretch;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-about .plaque__year {
  background: var(--red);
  color: #fff;
  padding: 5px 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.page-about .plaque__label {
  background: var(--ink);
  color: var(--paper);
  padding: 5px 14px;
}

.page-about .about-block h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.1vw, 36px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.008em;
  max-width: 24ch;
}

.page-about .block-lede {
  margin: 0 0 22px;
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.88;
  color: var(--slate);
  max-width: 58ch;
}

.page-about .about-block p {
  font-size: 14.5px;
  line-height: 1.82;
}

.page-about .block-tail {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--slate);
}

.page-about .block-tail a {
  color: var(--deep-red);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .block-tail a:hover,
.page-about .block-tail a:focus-visible {
  color: var(--red);
}

/* ---------- Origin ---------- */
.page-about .origin-grid {
  display: grid;
  gap: var(--about-gap);
}

.page-about .origin-text p {
  margin: 0 0 14px;
  color: var(--slate);
}

.page-about .origin-text p:last-of-type {
  margin-bottom: 0;
}

.page-about .mini-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .mini-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

.page-about .mini-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 9px;
  height: 9px;
  background: var(--red);
}

.page-about .mini-list li:nth-child(2)::before {
  background: var(--yellow);
}

.page-about .mini-list li:nth-child(3)::before {
  background: var(--green);
}

.page-about .about-figure {
  margin: 0;
  min-width: 0;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--slate);
}

.page-about .about-figure figcaption {
  margin-top: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--gray);
}

/* ---------- System grid ---------- */
.page-about .system-grid {
  display: grid;
  gap: 14px;
}

.page-about .sys-card {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 4px solid var(--ink);
  padding: 18px 18px 20px;
}

.page-about .sys-card:nth-child(2) {
  border-top-color: var(--yellow);
}

.page-about .sys-card:nth-child(3) {
  border-top-color: var(--red);
}

.page-about .sys-card:nth-child(4) {
  border-top-color: var(--green);
}

.page-about .sys-card--wide {
  border-top-color: var(--slate);
}

.page-about .sys-card__idx {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gray);
}

.page-about .sys-card h3 {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-about .sys-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--slate);
}

.page-about .sys-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--green);
  border: 1px solid var(--line);
}

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

.page-about .sys-media__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 30px 14px 12px;
  background: linear-gradient(0deg, rgba(11, 12, 14, 0.88), rgba(11, 12, 14, 0));
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.55;
  letter-spacing: 0.02em;
}

/* ---------- Review ---------- */
.page-about .review-grid {
  display: grid;
  gap: var(--about-gap);
  margin-bottom: 22px;
}

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

.page-about .step-list li {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}

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

.page-about .step-list__num {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  font-size: 12px;
  font-weight: 700;
  color: var(--paper);
  background: var(--red);
}

.page-about .step-list li:nth-child(2) .step-list__num {
  background: var(--yellow);
  color: var(--ink);
}

.page-about .step-list li:nth-child(3) .step-list__num {
  background: var(--green);
}

.page-about .step-list li:nth-child(4) .step-list__num {
  background: var(--slate);
}

.page-about .step-list__body h3 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
}

.page-about .step-list__body p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--slate);
}

.page-about .about-figure--review {
  align-self: start;
}

/* ---------- Metrics ---------- */
.page-about .metric-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .metric {
  background: var(--paper);
  padding: 16px 14px 18px;
}

.page-about .metric__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
}

.page-about .metric__unit {
  font-size: 12px;
  font-weight: 400;
  margin-left: 3px;
  color: var(--red);
}

.page-about .metric__label {
  display: block;
  margin-top: 9px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--gray);
}

/* ---------- Coverage panel ---------- */
.page-about .coverage-panel {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(20px, 3.2vw, 38px);
}

.page-about .coverage-panel::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 210px;
  height: 210px;
  border: 14px solid rgba(0, 245, 212, 0.16);
  border-radius: 50%;
  pointer-events: none;
}

.page-about .coverage-panel__title {
  position: relative;
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(247, 244, 239, 0.56);
}

.page-about .coverage-grid {
  position: relative;
  display: grid;
  gap: 1px;
  background: rgba(247, 244, 239, 0.16);
  margin-top: 18px;
}

.page-about .cov {
  background: var(--ink);
  padding: 16px 12px;
}

.page-about .cov__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(23px, 3.2vw, 32px);
  font-weight: 700;
  line-height: 1.05;
  color: var(--cyan);
}

.page-about .cov__num small {
  font-size: 12px;
  font-weight: 400;
  margin-left: 3px;
  color: rgba(247, 244, 239, 0.62);
}

.page-about .cov__label {
  display: block;
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(247, 244, 239, 0.74);
}

.page-about .coverage-panel__note {
  position: relative;
  margin: 20px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(247, 244, 239, 0.76);
}

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

.page-about .board__item {
  position: relative;
  background: var(--green);
  color: var(--paper);
  padding: 18px 16px 20px;
  border-left: 3px solid rgba(0, 245, 212, 0.6);
  min-width: 0;
}

.page-about .board__item--award {
  background: var(--slate);
  border-left-color: var(--yellow);
}

.page-about .board__num {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-about .board__item--award .board__num {
  color: var(--yellow);
}

.page-about .board__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.3;
}

.page-about .board__item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(247, 244, 239, 0.8);
}

.page-about .board__item--lead p {
  font-size: 13.5px;
}

/* ---------- Coop ---------- */
.page-about .coop-grid {
  display: grid;
  gap: 12px;
}

.page-about .coop-card {
  background: #fff;
  border: 1px solid var(--line);
  padding: 18px 18px 20px;
}

.page-about .coop-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
}

.page-about .coop-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--slate);
}

.page-about .coop-contact {
  margin-top: 16px;
  padding: clamp(18px, 2.6vw, 28px);
  background: #fff;
  border: 1px solid var(--line);
  border-left: 6px solid var(--red);
  display: grid;
  gap: 14px;
}

.page-about .coop-contact__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

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

.page-about .coop-contact__list li {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate);
}

.page-about .coop-contact__list .mono {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-about .coop-contact__list a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--yellow);
  word-break: break-word;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-about .coop-contact__list a:hover,
.page-about .coop-contact__list a:focus-visible {
  color: var(--red);
  border-color: var(--red);
}

.page-about .coop-contact .btn {
  justify-self: start;
}

/* ---------- Tables / reveal safety ---------- */
.page-about [data-reveal] {
  will-change: opacity, transform;
}

/* ---------- Media queries ---------- */
@media (min-width: 560px) {
  .page-about .coverage-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-about .origin-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-about .review-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

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

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

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

@media (min-width: 860px) {
  .page-about .board {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .board__item--lead {
    grid-column: span 2;
    grid-row: span 2;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
  }

  .page-about .board__item--lead h3 {
    font-size: 21px;
  }
}

@media (min-width: 920px) {
  .page-about .hero-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.55fr);
    align-items: end;
  }

  .page-about .about-hero h1 {
    max-width: 15em;
  }
}

@media (min-width: 1000px) {
  .page-about .system-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-about .sys-media {
    grid-column: 3;
    grid-row: 1 / span 2;
  }

  .page-about .sys-card--wide {
    grid-column: 1 / span 2;
  }
}

@media (min-width: 1040px) {
  .page-about .about-layout {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: clamp(28px, 3.5vw, 56px);
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: 92px;
    border-top: 0;
    border-left: 3px solid var(--ink);
    padding: 0 0 0 16px;
  }

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

  .page-about .rail-list a {
    border: 0;
    background: transparent;
    padding: 7px 0;
    font-size: 14px;
    transition: color 0.2s ease, transform 0.2s ease;
  }

  .page-about .rail-list a:hover,
  .page-about .rail-list a:focus-visible {
    background: transparent;
    color: var(--red);
    transform: translateX(3px);
  }

  .page-about .rail-list a:hover .mono,
  .page-about .rail-list a:focus-visible .mono {
    color: var(--ink);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .page-about .rail-list a:hover,
  .page-about .rail-list a:focus-visible {
    transform: none;
  }
}
<<<END>>>