.page-about {
  --about-hair: 1px solid rgba(29, 26, 23, 0.15);
  --about-hair-light: 1px solid rgba(244, 239, 230, 0.2);
  background: var(--paper);
  color: var(--feather);
  overflow-x: hidden;
}

.page-about .about-hero {
  padding-block: clamp(1.1rem, 3vw, 1.8rem) clamp(2.2rem, 5vw, 4rem);
}

.page-about .about-hero .breadcrumb {
  margin-bottom: clamp(1.6rem, 4vw, 3rem);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(1.8rem, 4vw, 2.6rem);
}

.page-about .about-hero__lead h1 {
  margin: 0.5rem 0 1.1rem;
  color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1.12;
}

.page-about .about-hero__lead .lede {
  max-width: 46ch;
  color: var(--feather);
}

.page-about .about-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}

.page-about .about-hero__aside {
  display: grid;
  gap: 0;
  border-top: 2px solid var(--ink);
  align-self: end;
}

.page-about .metric {
  display: grid;
  grid-template-columns: 4.4rem minmax(0, 1fr);
  align-items: baseline;
  gap: 0.9rem;
  padding: 0.85rem 0;
  border-bottom: var(--about-hair);
}

.page-about .metric__num {
  font-size: clamp(1.6rem, 4vw, 2.15rem);
  font-weight: 700;
  color: var(--signal);
  line-height: 1;
}

.page-about .metric__label {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--city);
}

.page-about .about-hero__figure {
  margin: clamp(1.8rem, 4vw, 3rem) 0 0;
}

.page-about .about-hero__figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 920px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.85fr);
    align-items: end;
    gap: clamp(2rem, 5vw, 4rem);
  }
}

.page-about .about-body {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.6rem);
  padding-block: clamp(1.5rem, 4vw, 2.5rem) clamp(3rem, 7vw, 5.5rem);
}

.page-about .about-toc {
  border-top: 2px solid var(--ink);
  padding-top: 0.9rem;
}

.page-about .about-toc__title {
  margin: 0 0 0.7rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--city);
}

.page-about .about-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.1rem;
}

.page-about .about-toc__list a {
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
  padding: 0.42rem 0.2rem;
  color: var(--feather);
  text-decoration: none;
  font-size: 0.92rem;
  border-radius: var(--r-sm);
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-about .about-toc__list a .mono {
  font-size: 0.68rem;
  color: var(--teal);
}

.page-about .about-toc__list a:hover,
.page-about .about-toc__list a:focus-visible {
  color: var(--signal);
  background: rgba(196, 81, 30, 0.07);
}

.page-about .about-toc__list a:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-about .about-toc__note {
  margin: 1rem 0 0;
  padding-top: 0.8rem;
  border-top: var(--about-hair);
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--city);
}

.page-about .about-toc__note a {
  color: var(--teal);
}

@media (min-width: 960px) {
  .page-about .about-body {
    grid-template-columns: 218px minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4.2rem);
    align-items: start;
  }

  .page-about .about-toc {
    position: sticky;
    top: 6.2rem;
  }
}

.page-about .about-flow > * + * {
  margin-top: clamp(2.6rem, 6vw, 4.5rem);
}

.page-about .about-chapter__head {
  margin-bottom: clamp(1rem, 2.5vw, 1.6rem);
}

.page-about .about-chapter__head h2 {
  margin: 0.35rem 0 0;
  color: var(--ink);
  line-height: 1.22;
}

.page-about .about-chapter__intro {
  margin: 0.8rem 0 0;
  max-width: 52ch;
  color: var(--city);
  line-height: 1.8;
}

.page-about .about-chapter__text p {
  margin: 0 0 0.9em;
  line-height: 1.85;
  max-width: 60ch;
}

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

.page-about .about-chapter__foot {
  margin: 1.4rem 0 0;
  padding-top: 0.8rem;
  border-top: var(--about-hair);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-about .about-method {
  display: grid;
  gap: 1rem;
  margin-top: 1.4rem;
}

.page-about .about-method__card {
  padding: 1.3rem 1.35rem;
  border-radius: var(--r-md);
  background: linear-gradient(150deg, var(--mist) 0%, rgba(213, 231, 229, 0.35) 100%);
  border-left: 3px solid var(--teal);
}

.page-about .about-method__card:nth-child(2) {
  background: linear-gradient(150deg, var(--paper-deep) 0%, rgba(235, 227, 214, 0.45) 100%);
  border-left-color: var(--gold);
}

.page-about .about-method__tag {
  margin: 0 0 0.55rem;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--teal-deep);
}

.page-about .about-method__card:nth-child(2) .about-method__tag {
  color: var(--gold);
}

.page-about .about-method__card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.06rem;
  color: var(--ink);
  line-height: 1.45;
}

.page-about .about-method__card p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--feather);
}

@media (min-width: 760px) {
  .page-about .about-method {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.2rem;
  }
}

.page-about .about-stage {
  padding: clamp(1.4rem, 4vw, 3rem);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(47, 124, 130, 0.22) 0%, transparent 62%),
    var(--ink);
  color: var(--paper);
}

.page-about .about-stage__head .eyebrow {
  color: var(--gold-light);
}

.page-about .about-stage__head h2 {
  margin: 0.4rem 0 0.9rem;
  color: var(--paper);
  line-height: 1.22;
}

.page-about .about-stage__head > p:last-child {
  margin: 0;
  max-width: 54ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(244, 239, 230, 0.76);
}

.page-about .about-stage__body {
  margin-top: clamp(1.6rem, 4vw, 2.6rem);
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.6rem);
}

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

.page-about .timeline__item {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.9rem;
  padding-bottom: 1.7rem;
}

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

.page-about .timeline__mark {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--gold-light);
  padding-top: 0.18rem;
}

.page-about .timeline__content {
  position: relative;
  padding-left: 1.15rem;
  border-left: 1px solid rgba(244, 239, 230, 0.2);
}

.page-about .timeline__content::before {
  content: "";
  position: absolute;
  left: -4.5px;
  top: 0.55rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 3px rgba(196, 81, 30, 0.22);
}

.page-about .timeline__meta {
  margin: 0 0 0.35rem;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: rgba(244, 239, 230, 0.6);
}

.page-about .timeline__content h3 {
  margin: 0 0 0.45rem;
  font-size: 1.03rem;
  line-height: 1.45;
  color: var(--paper);
}

.page-about .timeline__content p:last-child {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: rgba(244, 239, 230, 0.74);
}

.page-about .about-stage__figure img,
.page-about .about-archive__figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-stage__figure .figure__caption {
  color: rgba(244, 239, 230, 0.55);
}

@media (min-width: 1024px) {
  .page-about .about-stage__body {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.8fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 3rem);
  }

  .page-about .about-stage__figure {
    position: sticky;
    top: 6.2rem;
    margin: 0;
  }
}

.page-about .about-team__list {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
}

.page-about .about-team__list li {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.4rem 0.9rem;
  padding: 1rem 0;
  border-top: var(--about-hair);
}

.page-about .about-team__list li:last-child {
  border-bottom: var(--about-hair);
}

.page-about .about-team__num {
  font-size: 0.7rem;
  color: var(--teal);
  padding-top: 0.35rem;
}

.page-about .about-team__list h3 {
  margin: 0;
  font-size: 1rem;
  color: var(--ink);
  line-height: 1.4;
}

.page-about .about-team__list p {
  margin: 0.35rem 0 0;
  grid-column: 2;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--city);
}

@media (min-width: 800px) {
  .page-about .about-team__list li {
    grid-template-columns: 2.8rem 10.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 0.9rem;
  }

  .page-about .about-team__list p {
    grid-column: 3;
    margin-top: 0;
  }
}

.page-about .about-rules {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-about .about-rule {
  padding: 1.15rem 1.2rem;
  border-radius: var(--r-md);
  background: var(--paper-deep);
  border-left: 3px solid var(--signal);
}

.page-about .about-rule:nth-child(even) {
  border-left-color: var(--teal);
}

.page-about .about-rule h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  line-height: 1.45;
  color: var(--ink);
}

.page-about .about-rule p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--feather);
}

@media (min-width: 780px) {
  .page-about .about-rules {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem;
  }
}

.page-about .about-archive__grid {
  display: grid;
  gap: clamp(1.4rem, 3.5vw, 2.2rem);
  margin-top: 1.4rem;
}

.page-about .about-archive__cards {
  display: grid;
  gap: 0.75rem;
  align-content: start;
}

.page-about .archive-card {
  border-radius: var(--r-md);
  background: var(--paper-deep);
  border: var(--about-hair);
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-about .archive-card:hover {
  border-color: rgba(47, 124, 130, 0.45);
}

.page-about .archive-card summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 0.7rem;
  padding: 0.95rem 1.05rem;
  cursor: pointer;
  list-style: none;
  border-radius: var(--r-md);
}

.page-about .archive-card summary::-webkit-details-marker {
  display: none;
}

.page-about .archive-card summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--teal);
}

.page-about .archive-card[open] summary::after {
  content: "−";
  color: var(--signal);
}

.page-about .archive-card summary:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-about .archive-card__num {
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-about .archive-card__title {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--ink);
}

.page-about .archive-card__body {
  padding: 0 1.05rem 1.1rem;
}

.page-about .archive-card__body p {
  margin: 0 0 0.75rem;
  font-size: 0.89rem;
  line-height: 1.78;
  color: var(--feather);
}

.page-about .archive-card__link {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 124, 130, 0.4);
  padding-bottom: 1px;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-about .archive-card__link:hover,
.page-about .archive-card__link:focus-visible {
  color: var(--signal);
  border-color: var(--signal);
}

.page-about .about-archive__foot {
  margin: 0.6rem 0 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--city);
}

.page-about .about-archive__foot a {
  color: var(--teal);
}

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

.page-about .about-archive__figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 920px) {
  .page-about .about-archive__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }

  .page-about .about-archive__figure {
    position: sticky;
    top: 6.2rem;
  }
}