.page-about {
  --about-rule: 3px;
  --about-scale-w: 210px;
  background: var(--paper);
  color: var(--graphite);
  font-family: var(--font-body);
  padding-bottom: 0;
}

.page-about .about-crumbs {
  padding: clamp(14px, 3vw, 22px) 0 0;
}

/* ---------- hero ---------- */
.page-about .about-hero {
  background: var(--ink);
  color: var(--paper);
  margin-top: clamp(10px, 2vw, 18px);
  border-bottom: var(--about-rule) solid var(--amber);
  overflow: hidden;
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  padding-top: clamp(34px, 6vw, 64px);
  padding-bottom: clamp(34px, 6vw, 64px);
}

.page-about .about-hero__eyebrow {
  color: var(--amber);
  margin: 0 0 18px;
}

.page-about .about-hero__eyebrow::before {
  background: var(--amber);
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.12;
  font-size: clamp(1.85rem, 6vw, 3.5rem);
  margin: 0 0 20px;
  color: var(--paper-white);
  max-width: 18ch;
}

.page-about .about-hero__lede {
  font-size: clamp(0.95rem, 2.4vw, 1.08rem);
  line-height: 1.85;
  color: var(--text-dim);
  margin: 0 0 26px;
  max-width: 46em;
}

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

.page-about .about-link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: 2px solid transparent;
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.page-about .about-link-btn--solid {
  background: var(--amber);
  color: var(--ink);
  border-color: var(--amber);
  box-shadow: 5px 5px 0 rgba(217, 154, 43, 0.28);
}

.page-about .about-link-btn--solid:hover,
.page-about .about-link-btn--solid:focus-visible {
  transform: translate(-2px, -2px);
  background: var(--paper-white);
  border-color: var(--paper-white);
  box-shadow: 7px 7px 0 rgba(217, 154, 43, 0.34);
}

.page-about .about-link-btn--line {
  background: transparent;
  color: var(--paper);
  border-color: rgba(242, 232, 216, 0.42);
}

.page-about .about-link-btn--line:hover,
.page-about .about-link-btn--line:focus-visible {
  border-color: var(--celadon);
  color: var(--paper-white);
  background: rgba(95, 143, 124, 0.18);
}

.page-about .about-hero__panel {
  border: 2px solid rgba(242, 232, 216, 0.22);
  background: var(--ink-panel);
  padding: clamp(18px, 3vw, 26px);
  position: relative;
}

.page-about .about-hero__panel::before,
.page-about .about-hero__panel::after {
  content: "";
  position: absolute;
  background: var(--amber);
}

.page-about .about-hero__panel::before {
  width: 26px;
  height: 2px;
  top: -1px;
  left: -1px;
}

.page-about .about-hero__panel::after {
  width: 2px;
  height: 26px;
  top: -1px;
  left: -1px;
}

.page-about .about-hero__panel-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-dark);
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.page-about .about-axis {
  margin: 0;
  display: grid;
  gap: 2px;
}

.page-about .about-axis__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(124, 147, 161, 0.28);
}

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

.page-about .about-axis__key {
  font-size: 0.86rem;
  color: var(--text-dim);
}

.page-about .about-axis__val {
  margin: 0;
  font-size: 0.92rem;
  color: var(--paper-white);
  white-space: nowrap;
}

.page-about .about-axis__val .hb-mono {
  font-size: 1.24rem;
  color: var(--amber);
  margin-right: 4px;
}

/* ---------- .page-about ---------- */
.page-about .about-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 52px);
  padding-top: clamp(30px, 5vw, 58px);
  padding-bottom: clamp(30px, 5vw, 58px);
}

/* scale rail */
.page-about .about-scale {
  border-top: var(--about-rule) solid var(--ink);
  padding-top: 10px;
}

.page-about .about-scale__title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--slate);
  margin: 0 0 10px;
}

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

.page-about .about-scale__item {
  flex: 0 0 auto;
}

.page-about .about-scale__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--graphite);
  background: var(--paper-white);
  border: 1px solid var(--grid);
  border-bottom: 3px solid var(--grid);
  white-space: nowrap;
}

.page-about .about-scale__link:hover,
.page-about .about-scale__link:focus-visible {
  border-color: var(--ink);
  border-bottom-color: var(--amber);
}

.page-about .about-scale__link[aria-current="true"] {
  border-bottom-color: var(--cinnabar);
  color: var(--cinnabar);
  background: #fff;
}

.page-about .about-scale__num {
  font-size: 0.72rem;
  color: var(--amber);
}

.page-about .about-scale__link[aria-current="true"] .about-scale__num {
  color: var(--cinnabar);
}

/* ---------- chapters ---------- */
.page-about .about-article {
  min-width: 0;
  display: grid;
  gap: clamp(34px, 6vw, 64px);
}

.page-about .about-chapter {
  border-top: 1px solid var(--line-light);
  padding-top: clamp(20px, 3vw, 30px);
  scroll-margin-top: 90px;
}

.page-about .about-chapter:first-child {
  border-top: var(--about-rule) solid var(--ink);
  padding-top: clamp(16px, 2.4vw, 22px);
}

.page-about .about-chapter__head {
  margin-bottom: 16px;
}

.page-about .about-chapter__head .hb-eyebrow {
  color: var(--celadon);
  font-family: var(--font-mono);
  letter-spacing: 0.14em;
  margin: 0 0 12px;
}

.page-about .about-chapter__head .hb-eyebrow::before {
  background: var(--celadon);
}

.page-about .about-chapter__title {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.22;
  font-size: clamp(1.32rem, 4vw, 2.05rem);
  margin: 0;
  color: var(--ink);
}

.page-about .about-chapter__lede {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 2.6vw, 1.16rem);
  line-height: 1.7;
  color: var(--ink-panel);
  border-left: 4px solid var(--amber);
  padding-left: 16px;
  margin: 0 0 18px;
}

.page-about .about-chapter p {
  font-size: clamp(0.94rem, 2.2vw, 1rem);
  line-height: 1.85;
  margin: 0 0 14px;
}

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

.page-about .about-inline-link {
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--amber);
  padding-bottom: 1px;
}

.page-about .about-inline-link:hover,
.page-about .about-inline-link:focus-visible {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

/* points */
.page-about .about-points {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-top: 1px solid var(--line-light);
}

.page-about .about-points__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-light);
  font-size: 0.92rem;
  line-height: 1.7;
}

.page-about .about-points__num {
  color: var(--amber);
  font-size: 0.8rem;
}

/* figure */
.page-about .about-figure {
  margin: 22px 0;
}

.page-about .about-figure__frame {
  border: 2px solid var(--ink);
  background: var(--paper-white);
  box-shadow: 8px 8px 0 var(--grid);
  overflow: hidden;
}

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

.page-about .about-figure__caption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--slate);
  margin-top: 10px;
  padding-left: 12px;
  border-left: 2px solid var(--celadon);
  line-height: 1.6;
}

/* callout */
.page-about .about-callout {
  background: var(--ink-panel);
  color: var(--text-dim);
  padding: 16px 18px;
  border-left: 4px solid var(--celadon);
  font-size: 0.92rem;
  line-height: 1.8;
  margin: 20px 0 0;
}

.page-about .about-callout .about-inline-link {
  color: var(--paper-white);
  border-bottom-color: var(--celadon);
}

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

.page-about .about-governance__col {
  background: var(--paper-white);
  padding: 18px;
}

.page-about .about-governance__col p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
}

.page-about .about-governance__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--amber) !important;
  text-transform: uppercase;
  margin-bottom: 8px !important;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--grid);
}

/* roles */
.page-about .about-roles {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 22px 0;
}

.page-about .about-role {
  background: var(--paper-white);
  border: 2px solid var(--ink);
  border-top-width: 6px;
  padding: 18px;
  box-shadow: 6px 6px 0 rgba(216, 203, 184, 0.66);
}

.page-about .about-role__count {
  font-size: 2.1rem;
  line-height: 1;
  color: var(--amber);
  margin: 0 0 10px;
  letter-spacing: 0.04em;
}

.page-about .about-role__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.06rem;
  margin: 0 0 8px;
  color: var(--ink);
}

.page-about .about-role__desc {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--graphite);
}

/* table */
.page-about .about-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 24px;
  font-size: 0.86rem;
  background: var(--paper-white);
  border: 2px solid var(--ink);
  display: block;
  overflow-x: auto;
  white-space: nowrap;
}

.page-about .about-table caption {
  caption-side: top;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--slate);
  padding: 0 0 10px;
  white-space: normal;
}

.page-about .about-table th,
.page-about .about-table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line-light);
  vertical-align: top;
}

.page-about .about-table thead th {
  background: var(--ink-panel);
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  border-bottom: 2px solid var(--amber);
}

.page-about .about-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-about .about-table tbody tr:nth-child(even) {
  background: rgba(216, 203, 184, 0.24);
}

/* marks */
.page-about .about-marks {
  list-style: none;
  margin: 24px 0 0;
  padding: 0 0 0 22px;
  border-left: 2px solid var(--grid);
  display: grid;
  gap: 22px;
}

.page-about .about-marks__item {
  position: relative;
  padding-left: 4px;
}

.page-about .about-marks__item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 8px;
  width: 12px;
  height: 12px;
  background: var(--paper);
  border: 2px solid var(--celadon);
}

.page-about .about-marks__item:nth-child(4)::before {
  border-color: var(--amber);
  background: var(--amber);
}

.page-about .about-marks__num {
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--slate);
  margin: 0 0 6px;
}

.page-about .about-marks__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  margin: 0 0 6px;
  color: var(--ink);
}

.page-about .about-marks__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
}

/* partners */
.page-about .about-partner-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 22px 0;
}

.page-about .about-partner {
  border: 1px solid var(--grid);
  border-left: 4px solid var(--celadon);
  background: var(--paper-white);
  padding: 16px;
  transition: border-left-color 180ms ease, transform 180ms ease;
}

.page-about .about-partner:hover,
.page-about .about-partner:focus-within {
  border-left-color: var(--amber);
  transform: translateX(3px);
}

.page-about .about-partner__tag {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--slate);
  margin: 0 0 8px;
}

.page-about .about-partner__desc {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.8;
}

/* close */
.page-about .about-close {
  background: var(--ink);
  color: var(--paper);
  border-top: var(--about-rule) solid var(--amber);
  margin-top: clamp(20px, 4vw, 40px);
}

.page-about .about-close__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 40px);
  align-items: center;
  padding-top: clamp(32px, 5vw, 56px);
  padding-bottom: clamp(32px, 5vw, 56px);
}

.page-about .about-close__eyebrow {
  color: var(--celadon);
  margin: 0 0 12px;
}

.page-about .about-close__eyebrow::before {
  background: var(--celadon);
}

.page-about .about-close__title {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.2;
  font-size: clamp(1.4rem, 4.4vw, 2.2rem);
  margin: 0 0 12px;
  color: var(--paper-white);
}

.page-about .about-close__desc {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 42em;
}

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

/* ---------- media queries ---------- */
@media (min-width: 720px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.85fr);
    align-items: start;
  }

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

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

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

  .page-about .about-table {
    display: table;
    white-space: normal;
  }

  .page-about .about-close__grid {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 1000px) {
  .page-about .about-body {
    grid-template-columns: var(--about-scale-w) minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 4vw, 56px);
  }

  .page-about .about-scale {
    position: sticky;
    top: 96px;
    align-self: start;
    border-top: var(--about-rule) solid var(--ink);
    padding-top: 12px;
  }

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

  .page-about .about-scale__link {
    display: flex;
    width: 100%;
    background: transparent;
    border: 0;
    border-left: 2px solid var(--grid);
    border-bottom: 0;
    padding: 9px 0 9px 14px;
    font-size: 0.86rem;
    white-space: normal;
  }

  .page-about .about-scale__link:hover,
  .page-about .about-scale__link:focus-visible {
    border-left-color: var(--ink);
    background: rgba(216, 203, 184, 0.32);
  }

  .page-about .about-scale__link[aria-current="true"] {
    border-left-color: var(--cinnabar);
    background: var(--paper-white);
  }

  .page-about .about-chapter__title {
    max-width: 24ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-link-btn,
  .page-about .about-partner {
    transition: none;
  }

  .page-about .about-link-btn--solid:hover,
  .page-about .about-link-btn--solid:focus-visible,
  .page-about .about-partner:hover {
    transform: none;
  }
}