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

.page-about {
  --about-section-gap: clamp(64px, 8vw, 120px);
  --about-stat-gap: 12px;
  margin: 0;
  padding: 0;
  background: var(--c-ivory);
  color: var(--c-base);
  font-family: var(--font-body);
  line-height: 1.72;
  overflow-x: hidden;
}

.page-about a {
  color: inherit;
}

.page-about .kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-accent);
  text-transform: uppercase;
}

.page-about a:focus-visible,
.page-about button:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}

.page-about__hero {
  position: relative;
  overflow: hidden;
  padding: 28px 0 64px;
  background: var(--c-base);
  color: var(--c-ivory);
}

.page-about__hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: clamp(180px, 34%, 360px);
  height: 100%;
  background: var(--c-accent);
  opacity: 0.14;
  clip-path: polygon(14% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-about__hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -42px;
  height: 54px;
  background: var(--c-ivory);
  transform: skewY(-1.4deg);
  pointer-events: none;
}

.page-about__hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-normal);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-about__hero .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 30px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(245, 241, 232, 0.72);
}

.page-about__hero .breadcrumbs a {
  color: rgba(245, 241, 232, 0.72);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-about__hero .breadcrumbs a:hover,
.page-about__hero .breadcrumbs a:focus {
  color: var(--c-gold);
}

.page-about__hero-grid {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-about__hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: clamp(30px, 5.2vw, 56px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--c-ivory);
}

.page-about__hero-line {
  display: block;
  margin-top: 6px;
  color: var(--c-gold);
}

.page-about__hero .lede {
  max-width: 46em;
  margin: 0 0 26px;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.78;
  color: rgba(245, 241, 232, 0.88);
}

.page-about__hero-index {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 26px;
}

.page-about__hero-index-label {
  margin-right: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(183, 179, 168, 0.95);
}

.page-about__hero-index a {
  padding: 4px 12px;
  border: 1px solid rgba(245, 241, 232, 0.38);
  border-radius: 999px;
  font-size: 13px;
  color: var(--c-ivory);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-about__hero-index a:hover,
.page-about__hero-index a:focus {
  border-color: var(--c-gold);
  color: var(--c-gold);
}

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

.page-about__hero .btn {
  background: var(--c-accent);
  border: 1px solid var(--c-accent);
  color: var(--c-ivory);
  text-decoration: none;
}

.page-about__hero .btn--ghost {
  background: transparent;
  border-color: rgba(245, 241, 232, 0.5);
  color: var(--c-ivory);
}

.page-about__hero-side {
  display: grid;
  gap: 16px;
}

.page-about__hero-media {
  margin: 0;
}

.page-about__hero-media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(255, 215, 0, 0.4);
  border-radius: var(--radius);
}

.page-about__hero-media figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(245, 241, 232, 0.76);
}

.page-about__hero-quick {
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(245, 241, 232, 0.16);
  border-bottom: 1px solid rgba(245, 241, 232, 0.16);
}

.page-about__hero-quick > div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(245, 241, 232, 0.14);
}

.page-about__hero-quick > div:last-child {
  border-bottom: 0;
}

.page-about__hero-quick dt {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-ochre);
}

.page-about__hero-quick dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--c-ivory);
}

.page-about__layout {
  display: grid;
  gap: 28px;
  max-width: var(--max-normal);
  margin: 0 auto;
  padding: clamp(36px, 5vw, 72px) var(--gutter) clamp(72px, 10vw, 140px);
}

.page-about__aside {
  order: 1;
  min-width: 0;
}

.page-about__aside-card {
  display: grid;
  gap: 18px;
  padding: 20px;
  background: var(--c-base);
  border-radius: var(--radius);
  color: var(--c-ivory);
  box-shadow: 0 14px 34px rgba(7, 31, 24, 0.12);
}

.page-about__aside-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-accent);
}

.page-about__aside-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-about__aside-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 8px;
  border-left: 2px solid transparent;
  border-radius: 4px;
  font-size: 14px;
  color: var(--c-ivory);
  text-decoration: none;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about__aside-list a:hover,
.page-about__aside-list a:focus {
  background: rgba(255, 107, 53, 0.12);
  border-left-color: var(--c-accent);
}

.page-about__aside-list a span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-gold);
}

.page-about__aside-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.page-about__aside .btn {
  background: var(--c-accent);
  border: 1px solid var(--c-accent);
  color: var(--c-ivory);
  text-decoration: none;
}

.page-about__aside .btn--ghost {
  background: transparent;
  border-color: rgba(245, 241, 232, 0.5);
  color: var(--c-ivory);
}

.page-about__content {
  order: 2;
  min-width: 0;
}

.page-about__section {
  margin-bottom: var(--about-section-gap);
  scroll-margin-top: 120px;
}

.page-about__section:last-child {
  margin-bottom: 0;
}

.page-about__section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-about__section-head .chapter__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-accent);
}

.page-about__section-head .chapter__title {
  margin: 0;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--c-base);
}

.page-about__section-head .chapter__rule {
  flex: 1;
  min-width: 60px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--c-gold), rgba(255, 215, 0, 0));
  transform: skewX(-12deg);
}

.page-about__position {
  display: grid;
  gap: 28px;
}

.page-about__position-copy {
  font-size: 15px;
}

.page-about__position-copy p {
  margin: 0 0 16px;
}

.page-about__position-claim {
  margin-top: 20px;
  padding: 14px 16px;
  border-left: 3px solid var(--c-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--c-mint);
  font-size: 14px;
}

.page-about__pillar-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.page-about__pillar {
  padding: 16px;
  border: 1px solid rgba(11, 61, 46, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.55);
}

.page-about__pillar-no {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(255, 107, 53, 0.12);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-accent);
}

.page-about__pillar h3 {
  margin: 10px 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
}

.page-about__pillar p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: #2a4a3e;
}

.page-about__timeline-wrap {
  display: grid;
  gap: 24px;
  align-items: start;
}

.page-about__timeline-media {
  margin: 0;
}

.page-about__timeline-media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(11, 61, 46, 0.2);
  border-radius: var(--radius);
}

.page-about__timeline-media figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-ochre);
}

.page-about__timeline-tabs {
  min-width: 0;
}

.page-about__tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(11, 61, 46, 0.22);
}

.page-about__tab-btn {
  appearance: none;
  padding: 8px 14px;
  border: 1px solid rgba(11, 61, 46, 0.3);
  border-radius: 999px;
  background: transparent;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  color: var(--c-base);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about__tab-btn:hover,
.page-about__tab-btn:focus {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

.page-about__tab-btn[aria-selected="true"] {
  background: var(--c-base);
  border-color: var(--c-base);
  color: var(--c-ivory);
}

.page-about__timeline-panel + .page-about__timeline-panel {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px dashed rgba(11, 61, 46, 0.2);
}

.page-about__panel-head {
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 800;
  color: var(--c-base);
}

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

.page-about__milestone {
  position: relative;
  padding: 0 0 24px 56px;
}

.page-about__milestone::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 32px;
  bottom: 0;
  width: 2px;
  background: var(--c-accent);
  opacity: 0.45;
}

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

.page-about__milestone:last-child::before {
  display: none;
}

.page-about__milestone-no {
  position: absolute;
  left: 0;
  top: 2px;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 2px solid var(--c-gold);
  border-radius: 50%;
  background: var(--c-ivory);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--c-base);
}

.page-about__milestone-body h4 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--c-base);
}

.page-about__milestone-body p {
  max-width: 40em;
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: #1f4437;
}

.page-about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--about-stat-gap);
  margin-bottom: 28px;
}

.page-about__stat {
  position: relative;
  min-width: 0;
  padding: 16px 14px 18px;
  border: 1px solid rgba(11, 61, 46, 0.17);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.65);
}

.page-about__stat::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  border-radius: 0 0 4px 4px;
  background: linear-gradient(90deg, var(--c-accent), rgba(255, 107, 53, 0));
  opacity: 0.8;
}

.page-about__stat-num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 34px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--c-accent);
}

.page-about__stat-num small {
  margin-left: 2px;
  font-size: 0.55em;
  font-weight: 700;
  color: var(--c-ink);
}

.page-about__stat h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--c-base);
}

.page-about__stat p:last-child {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  color: #50675e;
}

.page-about__capability {
  display: grid;
  gap: 16px;
  margin-top: 12px;
}

.page-about__capability-text > h3 {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 800;
  color: var(--c-base);
}

.page-about__capability-text p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.72;
}

.page-about__capability-text a {
  color: var(--c-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about__capability-chart {
  padding: clamp(18px, 3vw, 28px);
  border-radius: var(--radius);
  background: var(--c-base);
  color: var(--c-ivory);
}

.page-about__chart-title {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 800;
  color: var(--c-ivory);
}

.page-about__chart-title small {
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  color: var(--c-ochre);
}

.page-about__svg {
  display: block;
  width: 100%;
  height: auto;
  margin: 16px 0 0;
}

.page-about__svg-base line {
  stroke: rgba(245, 241, 232, 0.22);
  stroke-width: 1;
  stroke-dasharray: 3 4;
}

.page-about__svg-bar-old {
  fill: var(--c-ochre);
}

.page-about__svg-num-old {
  fill: var(--c-ochre);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
}

.page-about__svg-bar-new {
  fill: var(--c-accent);
}

.page-about__svg-num-new {
  fill: var(--c-gold);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
}

.page-about__svg-label {
  fill: var(--c-ivory);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-about__svg-note {
  margin: 8px 0 0;
  font-size: 12px;
  color: rgba(245, 241, 232, 0.7);
}

.page-about__quality {
  display: grid;
  gap: 28px;
  margin-bottom: 18px;
}

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

.page-about__step {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  column-gap: 14px;
  padding-bottom: 20px;
}

.page-about__step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 38px;
  bottom: 0;
  width: 2px;
  background: var(--c-accent);
  opacity: 0.35;
}

.page-about__step-no {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--c-base);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--c-gold);
}

.page-about__step-body h3 {
  margin: 4px 0 4px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.4;
}

.page-about__step-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  min-width: 0;
}

.page-about__quality-figure {
  margin: 0;
}

.page-about__quality-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(11, 61, 46, 0.2);
  border-radius: var(--radius);
}

.page-about__quality-figure figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-ochre);
}

.page-about__quality-callout {
  margin-top: 20px;
}

.page-about__ecosystem {
  display: grid;
  gap: 14px;
  margin-bottom: 28px;
}

.page-about__eco-card {
  padding: 20px;
  border: 1px solid rgba(11, 61, 46, 0.16);
  border-top: 3px solid var(--c-accent);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.55);
}

.page-about__eco-no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-accent);
}

.page-about__eco-card h3 {
  margin: 10px 0 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--c-base);
}

.page-about__eco-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: #29493d;
}

.page-about__trust {
  position: relative;
  display: grid;
  gap: 12px;
  overflow: hidden;
  padding: clamp(22px, 4vw, 40px);
  border-radius: var(--radius);
  background: var(--c-ink);
  color: var(--c-ivory);
}

.page-about__trust::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 180px;
  height: 180px;
  background: var(--c-accent);
  opacity: 0.1;
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-about__trust h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  color: var(--c-ivory);
}

.page-about__trust p {
  margin: 0;
  max-width: 46em;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(245, 241, 232, 0.82);
}

.page-about__trust .kicker {
  margin-bottom: 0;
}

.page-about__trust-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.page-about__trust .btn {
  background: var(--c-accent);
  border: 1px solid var(--c-accent);
  color: var(--c-ivory);
  text-decoration: none;
}

.page-about__trust .btn--ghost {
  background: transparent;
  border-color: rgba(245, 241, 232, 0.55);
  color: var(--c-ivory);
}

@media (min-width: 960px) {
  .page-about__hero-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    column-gap: 48px;
  }

  .page-about__position {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.86fr);
    column-gap: 40px;
    align-items: start;
  }

  .page-about__timeline-wrap {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    column-gap: 32px;
  }

  .page-about__stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
  }

  .page-about__capability {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.88fr);
    column-gap: 28px;
    align-items: center;
  }

  .page-about__quality {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    column-gap: 40px;
    align-items: start;
  }

  .page-about__ecosystem {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}

@media (min-width: 1080px) {
  .page-about__layout {
    grid-template-columns: 240px minmax(0, 1fr);
    column-gap: clamp(36px, 5vw, 80px);
    align-items: start;
  }

  .page-about__aside {
    position: sticky;
    top: 110px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    animation: none !important;
    transition: none !important;
  }
}