.page-about {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-about a {
  color: inherit;
  text-decoration: none;
}

.page-about .about-hero {
  position: relative;
  padding: clamp(20px, 4vw, 34px) var(--gutter) clamp(32px, 5vw, 60px);
  border-bottom: 1px solid var(--frame-line);
  background:
    radial-gradient(circle at 92% 8%, rgba(44, 229, 180, .14), transparent 42%),
    var(--paper);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(20px, 4vw, 44px);
  margin-top: clamp(18px, 3vw, 34px);
}

.page-about .about-hero__lead h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 6.4vw, 62px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.02em;
  margin: 12px 0 0;
  color: var(--navy);
}

.page-about .about-hero__lead .lede {
  margin-top: 18px;
  max-width: 48ch;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.75;
  color: var(--brown);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .btn-ghost {
  border-color: var(--navy);
  color: var(--navy);
}

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

.page-about .about-hero__card {
  background: var(--navy);
  color: var(--paper);
  border-radius: 24px 24px 24px 4px;
  padding: 22px 22px 20px;
  box-shadow: 0 18px 40px -28px rgba(11, 42, 74, .9);
}

.page-about .about-hero__card-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mint);
  margin: 0 0 14px;
}

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

.page-about .about-hero__fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(246, 240, 228, .22);
}

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

.page-about .about-hero__fact dt {
  font-size: 13px;
  color: rgba(246, 240, 228, .72);
}

.page-about .about-hero__fact dd {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.page-about .about-hero__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 5vw, 32px);
  font-weight: 700;
  color: var(--mint);
  line-height: 1;
}

.page-about .about-hero__unit {
  font-size: 12px;
  color: rgba(246, 240, 228, .7);
}

.page-about .about-shell {
  display: grid;
  padding: 0 var(--gutter);
}

.page-about .about-rail {
  padding: 18px 0 6px;
  border-bottom: 1px solid var(--frame-line);
}

.page-about .about-rail__title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--mist);
  margin: 0 0 10px;
}

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

.page-about .about-rail__list a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border: 1px solid var(--frame-line);
  border-radius: 999px;
  white-space: nowrap;
  font-size: 13px;
  background: var(--card-bg);
  transition: border-color .2s var(--ease-out), color .2s var(--ease-out);
}

.page-about .about-rail__list a:hover,
.page-about .about-rail__list a:focus-visible {
  border-color: var(--coral);
  color: var(--rust);
}

.page-about .about-rail__list span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--coral);
}

.page-about .about-rail__list em {
  font-style: normal;
}

.page-about .about-section {
  padding: clamp(34px, 6vw, 72px) 0;
  border-top: 1px solid var(--frame-line);
}

.page-about .about-body > .about-section:first-child {
  border-top: 0;
  padding-top: clamp(26px, 4vw, 44px);
}

.page-about .about-section__head {
  max-width: 60ch;
}

.page-about .about-section__head .section-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(25px, 4.4vw, 38px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--navy);
}

.page-about .about-section__lede {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--brown);
}

.page-about .about-split {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  margin-top: clamp(20px, 3vw, 32px);
  align-items: center;
}

.page-about .about-split__text p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-about .about-split__text h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--navy);
}

.page-about .who-list {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .who-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--brown);
}

.page-about .who-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--coral);
}

.page-about .who-list strong {
  color: var(--navy);
}

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

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 4px 22px 4px 22px;
  border: 1px solid var(--frame-line);
  background: var(--sand);
  object-fit: cover;
}

.page-about .about-figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--brown);
  padding-left: 12px;
  border-left: 2px solid var(--coral);
}

.page-about .method-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-about .method-card {
  background: var(--card-bg);
  border: 1px solid var(--frame-line);
  border-radius: 16px;
  padding: 20px 20px 18px;
}

.page-about .method-card h3 {
  margin: 6px 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  color: var(--navy);
}

.page-about .method-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--brown);
}

.page-about .method-card__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--coral);
}

.page-about .method-card--navy {
  background: var(--navy);
  border-color: var(--navy);
}

.page-about .method-card--navy h3 {
  color: var(--paper);
}

.page-about .method-card--navy p {
  color: rgba(246, 240, 228, .82);
}

.page-about .method-card--navy .method-card__num {
  color: var(--mint);
}

.page-about .cadence {
  margin-top: clamp(20px, 3vw, 30px);
  background: var(--sand);
  border-left: 4px solid var(--coral);
  border-radius: 0 16px 16px 0;
  padding: 20px 20px 18px;
}

.page-about .cadence__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--navy);
}

.page-about .cadence__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-about .cadence__list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink);
  padding-bottom: 9px;
  border-bottom: 1px solid rgba(11, 42, 74, .1);
}

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

.page-about .cadence__when {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--rust);
  min-width: 52px;
}

.page-about .team-stats {
  display: grid;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-about .team-stat {
  background: var(--sand);
  border-radius: 18px 18px 18px 4px;
  padding: 16px 16px 14px;
  border-bottom: 3px solid var(--navy);
}

.page-about .team-stat__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(30px, 6vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--navy);
}

.page-about .team-stat__label {
  margin: 8px 0 4px;
  font-size: 14px;
  font-weight: 700;
  color: var(--rust);
}

.page-about .team-stat__note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--brown);
}

.page-about .about-split--reverse {
  margin-top: clamp(22px, 3.4vw, 38px);
  align-items: start;
}

.page-about .link-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  border-bottom: 2px solid var(--coral);
  padding-bottom: 3px;
}

.page-about .link-more:hover,
.page-about .link-more:focus-visible {
  color: var(--rust);
}

.page-about .version-timeline {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-about .version-chart {
  display: block;
  width: 100%;
  height: auto;
  background: var(--card-bg);
  border: 1px solid var(--frame-line);
  border-radius: 16px;
  padding: 10px 6px 4px;
}

.page-about .version-scale {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  margin: 8px 0 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mist);
  text-align: center;
}

.page-about .version-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.page-about .version-item {
  background: var(--card-bg);
  border: 1px solid var(--frame-line);
  border-left: 4px solid var(--coral);
  border-radius: 0 14px 14px 0;
  padding: 14px 16px;
}

.page-about .version-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  color: var(--navy);
  position: relative;
  padding-right: 24px;
}

.page-about .version-item summary::-webkit-details-marker {
  display: none;
}

.page-about .version-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: -2px;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--coral);
}

.page-about .version-item[open] summary::after {
  content: "−";
  color: var(--mint);
}

.page-about .version-item__tag {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--paper);
  background: var(--navy);
  border-radius: 4px;
  padding: 3px 7px;
}

.page-about .version-item__body {
  padding-top: 10px;
}

.page-about .version-item__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--brown);
}

.page-about .eco-grid {
  display: grid;
  gap: clamp(20px, 4vw, 36px);
  margin-top: clamp(20px, 3vw, 30px);
  align-items: start;
}

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

.page-about .eco-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--frame-line);
}

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

.page-about .eco-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: clamp(24px, 5vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--navy);
  min-width: 62px;
}

.page-about .eco-list strong {
  display: block;
  font-size: 15px;
  color: var(--rust);
  margin-bottom: 5px;
}

.page-about .eco-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--brown);
}

.page-about .honor {
  margin-top: 20px;
  background: var(--navy);
  color: var(--paper);
  border-radius: 18px 18px 18px 4px;
  padding: 18px 20px;
}

.page-about .honor__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--mint);
}

.page-about .honor__item {
  margin: 0 0 8px;
  font-size: 14.5px;
  line-height: 1.6;
  padding-left: 16px;
  position: relative;
}

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

.page-about .honor__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--coral);
  border-radius: 50%;
}

.page-about .promise-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-about .promise-card {
  border-radius: 18px;
  padding: 22px 20px;
}

.page-about .promise-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
}

.page-about .promise-card p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.78;
}

.page-about .promise-card p:last-of-type {
  margin-bottom: 0;
}

.page-about .promise-card--navy {
  background: var(--navy);
  color: var(--paper);
}

.page-about .promise-card--navy h3 {
  color: var(--mint);
}

.page-about .promise-card--navy p {
  color: rgba(246, 240, 228, .84);
}

.page-about .promise-card--sand {
  background: var(--sand);
  color: var(--ink);
  border-left: 4px solid var(--mint);
}

.page-about .promise-card--sand h3 {
  color: var(--navy);
}

.page-about .promise-card--sand p {
  color: var(--brown);
}

.page-about .promise-contact {
  list-style: none;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed rgba(246, 240, 228, .25);
  display: grid;
  gap: 8px;
}

.page-about .promise-contact li {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
}

.page-about .promise-contact span {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--mint);
  min-width: 62px;
}

.page-about .promise-contact a {
  border-bottom: 1px solid rgba(246, 240, 228, .4);
  word-break: break-all;
}

.page-about .promise-contact a:hover,
.page-about .promise-contact a:focus-visible {
  border-bottom-color: var(--coral);
  color: var(--coral);
}

.page-about .about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-about .about-links a {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border: 1px solid var(--navy);
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--navy);
  transition: background .2s var(--ease-out), color .2s var(--ease-out);
}

.page-about .about-links a:hover,
.page-about .about-links a:focus-visible {
  background: var(--navy);
  color: var(--paper);
}

@media (min-width: 640px) {
  .page-about .method-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 820px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(240px, .6fr);
    align-items: end;
  }

  .page-about .about-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-about .eco-grid {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  }

  .page-about .method-card:first-child {
    transform: translateY(-8px);
  }

  .page-about .method-card:nth-child(3) {
    transform: translateY(-14px);
  }
}

@media (min-width: 1024px) {
  .page-about .about-shell {
    grid-template-columns: 112px minmax(0, 1fr);
    gap: clamp(24px, 3.6vw, 52px);
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: 96px;
    border-bottom: 0;
    padding: 34px 0 0;
    border-right: 1px solid var(--frame-line);
    padding-right: 14px;
  }

  .page-about .about-rail__list {
    flex-direction: column;
    overflow: visible;
    gap: 14px;
  }

  .page-about .about-rail__list a {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    border: 0;
    background: transparent;
    padding: 0;
    border-radius: 0;
  }

  .page-about .about-rail__list em {
    writing-mode: vertical-rl;
    letter-spacing: .22em;
    font-size: 12.5px;
    color: var(--navy);
    border-left: 2px solid transparent;
    padding-left: 4px;
  }

  .page-about .about-rail__list a:hover em,
  .page-about .about-rail__list a:focus-visible em {
    border-left-color: var(--coral);
    color: var(--rust);
  }

  .page-about .about-body {
    padding-left: clamp(4px, 1vw, 16px);
  }

  .page-about .about-section__head .section-title {
    max-width: 22ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .method-card,
  .page-about .method-card:first-child,
  .page-about .method-card:nth-child(3) {
    transform: none;
  }

  .page-about * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}