.page-about {
  --about-rail-w: 280px;
  --about-line: rgba(94, 114, 134, 0.42);
  --about-line-soft: rgba(94, 114, 134, 0.22);
  --about-gap: clamp(44px, 7vw, 92px);

  position: relative;
  display: block;
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(94, 114, 134, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(94, 114, 134, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  color: var(--paper);
  font-family: var(--font-sans);
  overflow-x: clip;
}

.page-about *,
.page-about *::before,
.page-about *::after {
  box-sizing: border-box;
}

/* ---------- top bar ---------- */
.page-about .about-topbar {
  border-bottom: 2px solid var(--hair-strong);
  background: var(--ink-deep);
  padding: 13px 0;
}

.page-about .about-topbar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
}

.page-about .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
}

.page-about .breadcrumbs__list a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .breadcrumbs__list a:hover,
.page-about .breadcrumbs__list a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-about .breadcrumbs__sep {
  color: var(--hair-strong);
}

.page-about .breadcrumbs__current {
  color: var(--gold);
  font-weight: 600;
}

.page-about .about-topbar__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--slate);
}

/* ---------- hero ---------- */
.page-about .about-hero {
  padding: clamp(32px, 6vw, 76px) 0 clamp(30px, 5vw, 52px);
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-about .eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-about .eyebrow::after {
  content: "";
  flex: 0 0 58px;
  height: 2px;
  background: var(--vermilion);
}

.page-about h1 {
  margin: 0 0 22px;
  font-size: clamp(34px, 6.4vw, 66px);
  line-height: 1.1;
  letter-spacing: 0.02em;
  font-weight: 800;
  color: var(--paper);
}

.page-about .lede {
  max-width: 60ch;
  margin: 0 0 28px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.95;
  color: #c5d1dd;
}

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

.page-about .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  border: 2px solid transparent;
  transition: background 0.2s var(--ease), color 0.2s var(--ease),
    border-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-about .btn--primary {
  background: var(--vermilion);
  color: var(--paper);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.4);
}

.page-about .btn--primary:hover,
.page-about .btn--primary:focus-visible {
  background: #d8483a;
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.45);
}

.page-about .btn--outline {
  border-color: var(--hair-strong);
  color: var(--paper);
}

.page-about .btn--outline:hover,
.page-about .btn--outline:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-about .about-hero__figure {
  margin: 0;
  border: 3px solid var(--hair-strong);
  background: var(--ink-deep);
  box-shadow: var(--hard-shadow);
}

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

.page-about .about-hero__figure img {
  aspect-ratio: 3 / 2;
  filter: saturate(0.85);
}

.page-about .about-hero__caption {
  margin: 0;
  padding: 12px 14px;
  border-top: 2px solid var(--hair-strong);
  font-size: 12px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- stats ---------- */
.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(30px, 5vw, 58px);
  border: 2px solid var(--hair-strong);
  background: var(--hair-strong);
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px;
  background: var(--ink-deep);
  transition: background 0.2s var(--ease);
}

.page-about .about-stat:hover {
  background: #0c1c30;
}

.page-about .about-stat__v {
  font-family: var(--font-mono);
  font-size: clamp(23px, 3vw, 33px);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--gold);
}

.page-about .about-stat__l {
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.08em;
  color: var(--slate);
}

/* ---------- .page-about two columns ---------- */
.page-about .about-body {
  padding: clamp(34px, 5vw, 72px) 0 clamp(56px, 9vw, 110px);
  border-top: 2px solid var(--hair-strong);
}

.page-about .about-body__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 58px);
}

.page-about .about-rail {
  border: 2px solid var(--hair-strong);
  background: var(--ink-deep);
  padding: 18px 16px;
}

.page-about .about-rail__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--vermilion);
}

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

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

.page-about .about-rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  white-space: nowrap;
  font-size: 14px;
  text-decoration: none;
  color: var(--paper);
  border-left: 3px solid transparent;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease),
    color 0.2s var(--ease);
}

.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible {
  border-left-color: var(--cyan);
  background: rgba(47, 209, 197, 0.07);
}

.page-about .about-rail__link[aria-current="true"] {
  border-left-color: var(--vermilion);
  background: rgba(198, 60, 47, 0.12);
}

.page-about .about-rail__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--slate);
  transition: color 0.2s var(--ease);
}

.page-about .about-rail__link[aria-current="true"] .about-rail__num {
  color: var(--gold);
}

.page-about .about-rail__note {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--about-line-soft);
  font-size: 12px;
  line-height: 1.8;
  color: var(--slate);
}

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

.page-about .about-sec {
  scroll-margin-top: calc(var(--bar-h) + 26px);
}

.page-about .about-sec__head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--hair-strong);
}

.page-about .about-sec__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--vermilion);
}

.page-about .h2 {
  margin: 0;
  font-size: clamp(23px, 3.4vw, 38px);
  line-height: 1.24;
  letter-spacing: 0.015em;
  font-weight: 800;
  color: var(--paper);
}

.page-about .prose p {
  max-width: 68ch;
  margin: 0 0 18px;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.95;
  color: #c3ceda;
}

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

/* ---------- evolve band ---------- */
.page-about .about-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 28px;
  border: 2px solid var(--hair-strong);
  background: var(--hair-strong);
}

.page-about .about-band__cell {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 18px 16px;
  background: var(--ink-deep);
  border-left: 3px solid transparent;
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-about .about-band__cell:hover {
  border-left-color: var(--gold);
  background: #0c1c30;
}

.page-about .about-band__cell--key {
  border-left-color: var(--vermilion);
}

.page-about .about-band__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-about .about-band__d {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #b9c6d4;
}

/* ---------- roles ---------- */
.page-about .about-roles {
  display: grid;
  gap: 10px;
  margin-top: 26px;
}

.page-about .about-role {
  border: 2px solid var(--hair-strong);
  background: var(--ink-deep);
  transition: border-color 0.2s var(--ease);
}

.page-about .about-role:hover {
  border-color: var(--about-line);
}

.page-about .about-role__btn {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 15px 16px;
  border: 0;
  background: transparent;
  color: var(--paper);
  font-family: inherit;
  font-size: 15px;
  text-align: left;
  cursor: pointer;
  transition: background 0.2s var(--ease);
}

.page-about .about-role__btn:hover,
.page-about .about-role__btn:focus-visible {
  background: rgba(212, 162, 76, 0.07);
}

.page-about .about-role__btn[aria-expanded="true"] {
  background: rgba(198, 60, 47, 0.1);
}

.page-about .about-role__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-about .about-role__name {
  flex: 0 0 auto;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-about .about-role__hint {
  margin-left: auto;
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--slate);
}

.page-about .about-role__panel {
  padding: 0 16px 18px 44px;
}

.page-about .about-role__panel p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: #b6c3d2;
}

.page-about .about-team__figure {
  margin: 26px 0 0;
  border: 3px solid var(--hair-strong);
  background: var(--ink-deep);
  box-shadow: var(--hard-shadow);
}

.page-about .about-team__figure img {
  aspect-ratio: 10 / 7;
}

/* ---------- regions ---------- */
.page-about .about-regions {
  display: grid;
  gap: 24px;
  margin-top: 26px;
}

.page-about .about-regions__k {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-about .about-regions__k::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: var(--about-line);
}

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

.page-about .about-tag {
  position: relative;
  display: inline-block;
  padding: 8px 14px;
  border: 2px solid var(--hair-strong);
  background: var(--ink-deep);
  font-size: 13.5px;
  color: var(--paper);
  cursor: default;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease),
    background 0.2s var(--ease);
}

.page-about .about-tag:hover,
.page-about .about-tag:focus-visible {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(212, 162, 76, 0.08);
  outline: none;
}

.page-about .about-tag__freq {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 8px);
  z-index: 4;
  padding: 4px 9px;
  white-space: nowrap;
  background: var(--gold);
  color: var(--ink-deep);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  opacity: 0;
  transform: translate(-50%, 5px);
  pointer-events: none;
  transition: opacity 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-about .about-tag:hover .about-tag__freq,
.page-about .about-tag:focus-visible .about-tag__freq {
  opacity: 1;
  transform: translate(-50%, 0);
}

.page-about .about-region__figure {
  margin: 26px 0 0;
  border: 3px solid var(--hair-strong);
  background: var(--ink-deep);
  box-shadow: var(--hard-shadow);
}

.page-about .about-region__figure img {
  aspect-ratio: 4 / 3;
}

/* ---------- milestones ---------- */
.page-about .about-miles {
  position: relative;
  margin: 8px 0 0;
  padding: 0 0 0 22px;
  list-style: none;
}

.page-about .about-miles::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: var(--hair-strong);
}

.page-about .about-mile {
  position: relative;
  padding-bottom: 26px;
}

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

.page-about .about-mile::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 14px;
  width: 10px;
  height: 10px;
  background: var(--ink);
  border: 2px solid var(--slate);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-about .about-mile:hover::before {
  border-color: var(--gold);
}

.page-about .about-mile__btn {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  width: 100%;
  padding: 13px 14px;
  border: 2px solid var(--hair-strong);
  background: var(--ink-deep);
  color: var(--paper);
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-about .about-mile__btn:hover,
.page-about .about-mile__btn:focus-visible {
  border-color: var(--gold);
}

.page-about .about-mile__btn[aria-expanded="true"] {
  border-color: var(--vermilion);
  background: rgba(198, 60, 47, 0.08);
}

.page-about .about-mile__meta {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-about .about-mile__title {
  flex: 1 1 auto;
  font-size: clamp(15px, 1.8vw, 19px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.01em;
}

.page-about .about-mile__toggle {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--slate);
}

.page-about .about-mile__panel {
  padding: 16px 14px;
  border: 2px solid var(--hair-strong);
  border-top: 0;
  background: rgba(19, 42, 71, 0.55);
}

.page-about .about-mile__panel p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: #b6c3d2;
}

/* ---------- partners ---------- */
.page-about .about-eco {
  margin-top: 24px;
  border-top: 2px solid var(--hair-strong);
}

.page-about .about-eco__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 2px solid var(--hair-strong);
  transition: background 0.22s var(--ease), padding-left 0.22s var(--ease);
}

.page-about .about-eco__row:hover {
  background: rgba(212, 162, 76, 0.05);
  padding-left: 12px;
}

.page-about .about-eco__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-about .about-eco__d {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: #c3ceda;
}

.page-about .about-honor {
  margin-top: 30px;
  padding: 22px 20px;
  border: 3px solid var(--gold);
  background: rgba(212, 162, 76, 0.07);
  box-shadow: var(--hard-shadow);
}

.page-about .about-honor p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: #e4dac6;
}

.page-about .about-honor strong {
  color: var(--gold);
  font-weight: 700;
}

.page-about .about-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 34px;
}

/* ---------- tablet ---------- */
@media (min-width: 700px) {
  .page-about .about-band {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-eco__row {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }
}

/* ---------- desktop: sticky rail ---------- */
@media (min-width: 1000px) {
  .page-about .about-body__grid {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    gap: 62px;
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: calc(var(--bar-h) + 22px);
    align-self: start;
    max-height: calc(100vh - var(--bar-h) - 48px);
    overflow: auto;
    padding: 22px 20px;
  }

  .page-about .about-rail__list {
    flex-direction: column;
    gap: 4px;
    padding-bottom: 0;
    overflow-x: visible;
  }

  .page-about .about-rail__link {
    white-space: normal;
    font-size: 15px;
  }

  .page-about .h2 {
    max-width: 24ch;
  }
}

@media (min-width: 1280px) {
  .page-about {
    --about-rail-w: 300px;
  }
}

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