.page-about {
  --about-tl: 30px;
  --about-line: rgba(214, 168, 75, 0.26);
  --about-line-soft: rgba(143, 163, 166, 0.16);
  background: var(--ink);
  color: var(--ivory);
  overflow-x: clip;
}

.page-about img {
  max-width: 100%;
  height: auto;
}

.page-about .about-wrap {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-about .about-block {
  padding-block: clamp(44px, 6vw, 84px);
  border-top: 1px solid var(--about-line-soft);
}

.page-about .about-kicker {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin: 0 0 12px;
}

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

.page-about .about-kicker--dark {
  color: var(--bronze);
}

.page-about .about-h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 42px);
  line-height: 1.26;
  letter-spacing: 0.01em;
  margin: 0 0 16px;
  color: var(--ivory);
}

.page-about .about-h2--light {
  color: var(--ivory);
}

.page-about .about-h2--dark {
  color: var(--slate);
}

.page-about .about-sub {
  max-width: 34em;
  margin: 0 0 24px;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

.page-about .prose p {
  max-width: 36em;
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(244, 239, 230, 0.86);
}

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

/* ---------- Hero ---------- */

.page-about .about-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--about-line);
  background: radial-gradient(120% 90% at 12% 0%, #171d24 0%, var(--ink) 64%);
}

.page-about .about-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(0.8);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(11, 13, 16, 0.5) 0%, rgba(11, 13, 16, 0.88) 58%, var(--ink) 100%),
    repeating-linear-gradient(90deg, transparent 0 79px, rgba(214, 168, 75, 0.055) 79px 80px);
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 2;
  max-width: calc(var(--shell-max) + 2 * var(--gutter));
  margin-inline: auto;
  padding: clamp(28px, 5vw, 64px) var(--gutter);
}

.page-about .about-hero__frame {
  position: relative;
  padding: clamp(20px, 4vw, 52px);
  border: 1px solid var(--about-line);
  background: linear-gradient(180deg, rgba(20, 24, 30, 0.52), rgba(11, 13, 16, 0.18));
  border-radius: 2px var(--radius-l) 2px var(--radius-l);
}

.page-about .about-hero__frame::before,
.page-about .about-hero__frame::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid var(--gold);
  pointer-events: none;
}

.page-about .about-hero__frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-about .about-hero__frame::after {
  right: -1px;
  bottom: -1px;
  border-top: 0;
  border-left: 0;
}

.page-about .about-hero .crumbs {
  margin-bottom: 18px;
  font-size: 13px;
  color: var(--mist);
}

.page-about .about-hero__tag {
  margin: 0 0 14px;
  color: var(--mist);
  letter-spacing: 0.14em;
  font-size: 12px;
}

.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 5.2vw, 62px);
  line-height: 1.16;
  letter-spacing: 0.01em;
  margin: 0 0 20px;
  color: var(--ivory);
  max-width: 16em;
  text-wrap: balance;
}

.page-about .about-hero__lead {
  max-width: 36em;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: rgba(244, 239, 230, 0.82);
}

.page-about .about-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 0;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-hero__fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-right: clamp(18px, 3vw, 34px);
  margin-right: clamp(18px, 3vw, 34px);
  border-right: 1px solid var(--about-line-soft);
}

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

.page-about .about-hero__fact-k {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-about .about-hero__fact-v {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 24px);
  color: var(--gold-light);
  letter-spacing: 0.02em;
}

/* ---------- Origin ---------- */

.page-about .about-origin__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-about .about-origin__text {
  min-width: 0;
}

.page-about .about-origin__panel {
  padding: clamp(20px, 3vw, 30px);
  background:
    linear-gradient(160deg, rgba(20, 24, 30, 0.95), rgba(11, 13, 16, 0.75));
  border: 1px solid var(--about-line-soft);
  border-left: 2px solid var(--gold);
  border-radius: var(--radius-m);
}

.page-about .about-panel__label {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

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

.page-about .about-audience li {
  position: relative;
  padding: 11px 0 11px 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(244, 239, 230, 0.82);
  border-top: 1px solid var(--about-line-soft);
}

.page-about .about-audience li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-audience li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 7px;
  height: 7px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-about .about-audience li:first-child::before {
  top: 8px;
}

/* ---------- History ---------- */

.page-about .about-history__top {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: end;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-about .about-history__intro {
  min-width: 0;
}

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

.page-about .about-jump a {
  display: inline-block;
  padding: 7px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold-light);
  text-decoration: none;
  border: 1px solid var(--about-line);
  border-radius: 999px;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-about .about-jump a:hover,
.page-about .about-jump a:focus-visible {
  background: rgba(214, 168, 75, 0.14);
  border-color: var(--gold);
  color: var(--ivory);
}

.page-about .about-jump a:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 2px;
}

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

.page-about .about-tl {
  position: relative;
  display: grid;
  gap: 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-tl::before {
  content: "";
  position: absolute;
  top: 14px;
  bottom: 14px;
  left: calc(var(--about-tl) / 2);
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--gold) 10%, rgba(214, 168, 75, 0.6) 58%, transparent);
  opacity: 0.6;
}

.page-about .about-tl__item {
  position: relative;
  display: grid;
  grid-template-columns: var(--about-tl) minmax(0, 1fr);
  gap: 10px;
  scroll-margin-top: 90px;
}

.page-about .about-tl__mark {
  position: relative;
  display: block;
}

.page-about .about-tl__mark::before {
  content: "";
  position: absolute;
  top: 26px;
  left: 50%;
  width: 9px;
  height: 9px;
  margin-left: -4.5px;
  background: var(--gold);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(214, 168, 75, 0.14);
  transition: box-shadow 0.2s ease, background-color 0.2s ease;
}

.page-about .about-tl__item:hover .about-tl__mark::before {
  background: var(--gold-light);
  box-shadow: 0 0 0 6px rgba(240, 210, 138, 0.18);
}

.page-about .about-tl__card {
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--panel);
  border: 1px solid var(--about-line-soft);
  border-radius: 4px var(--radius-l) var(--radius-l) var(--radius-l);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-about .about-tl__card:hover {
  transform: translateY(-3px);
  border-color: var(--about-line);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.32);
}

.page-about .about-tl__year {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1;
  letter-spacing: 0.03em;
  color: var(--gold);
}

.page-about .about-tl__kicker {
  margin: 10px 0 8px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-about .about-tl__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.45;
  color: var(--ivory);
}

.page-about .about-tl__text {
  margin: 0;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(244, 239, 230, 0.74);
}

/* ---------- Data band ---------- */

.page-about .about-band {
  padding-block: clamp(38px, 5vw, 64px);
  background:
    radial-gradient(90% 140% at 88% 0%, rgba(200, 69, 47, 0.12) 0%, transparent 58%),
    linear-gradient(140deg, var(--panel) 0%, #0d1016 88%);
  border-block: 1px solid var(--about-line);
}

.page-about .about-band__head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-about .about-band__note {
  margin: 0;
  max-width: 32em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-band__grid {
  display: grid;
  grid-template-columns: 1fr;
}

.page-about .about-datum {
  padding: 20px 0 20px 18px;
  border-top: 1px solid var(--about-line-soft);
  border-left: 1px solid transparent;
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.page-about .about-datum:first-child {
  border-top: 0;
}

.page-about .about-datum:hover,
.page-about .about-datum:focus-within {
  border-left-color: var(--gold);
  background: rgba(214, 168, 75, 0.05);
}

.page-about .about-datum__num {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 50px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--gold-light);
}

.page-about .about-datum__suffix {
  font-size: 0.5em;
  margin-left: 4px;
  color: var(--gold);
}

.page-about .about-datum__unit {
  margin: 8px 0 4px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-about .about-datum__label {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--ivory);
  letter-spacing: 0.04em;
}

.page-about .about-datum__note {
  margin: 0;
  max-width: 24em;
  font-size: 13.5px;
  line-height: 1.78;
  color: rgba(244, 239, 230, 0.66);
  transition: color 0.25s ease;
}

.page-about .about-datum:hover .about-datum__note,
.page-about .about-datum:focus-within .about-datum__note {
  color: rgba(244, 239, 230, 0.9);
}

/* ---------- System ---------- */

.page-about .about-system__head {
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-about .about-system__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .about-sys {
  position: relative;
  padding: clamp(18px, 2.4vw, 26px);
  background: linear-gradient(160deg, rgba(20, 24, 30, 0.9), rgba(11, 13, 16, 0.7));
  border: 1px solid var(--about-line-soft);
  border-radius: var(--radius-m) var(--radius-s) var(--radius-m) var(--radius-s);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.page-about .about-sys:hover {
  transform: translateY(-2px);
  border-color: var(--about-line);
}

.page-about .about-sys__no {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin-bottom: 10px;
}

.page-about .about-sys h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.9vw, 20px);
  color: var(--ivory);
  letter-spacing: 0.03em;
}

.page-about .about-sys p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 239, 230, 0.7);
}

.page-about .about-sys--wide {
  border-left: 2px solid var(--crimson);
}

/* ---------- Team ---------- */

.page-about .about-team__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

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

.page-about .about-team__text {
  min-width: 0;
}

.page-about .about-team__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- Close ---------- */

.page-about .about-close {
  padding-block: clamp(44px, 6vw, 80px);
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(122, 94, 46, 0.14) 0%, transparent 60%),
    var(--fog);
  color: var(--slate);
  border-top: 1px solid rgba(42, 52, 56, 0.18);
}

.page-about .about-principles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0 0 clamp(28px, 4vw, 44px);
  padding: 0;
  list-style: none;
}

.page-about .about-principle {
  padding: clamp(18px, 2.4vw, 26px);
  background: rgba(244, 239, 230, 0.72);
  border: 1px solid rgba(42, 52, 56, 0.14);
  border-radius: var(--radius-m);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.page-about .about-principle:hover {
  transform: translateY(-3px);
  border-color: var(--bronze);
  box-shadow: 0 10px 22px rgba(42, 52, 56, 0.14);
}

.page-about .about-principle__no {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--bronze);
  margin-bottom: 8px;
}

.page-about .about-principle h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 22px);
  color: #1a2226;
  letter-spacing: 0.04em;
}

.page-about .about-principle p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: #2f3a3e;
}

.page-about .about-cta {
  display: grid;
  gap: 16px;
}

.page-about .about-cta__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: #2f3a3e;
}

.page-about .about-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--slate);
  border: 1px solid rgba(42, 52, 56, 0.28);
  border-radius: 999px;
  background: rgba(244, 239, 230, 0.6);
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-about .about-link:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--gold-light);
}

.page-about .about-link:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 2px;
}

/* ---------- Responsive ---------- */

@media (min-width: 700px) {
  .page-about .about-tl {
    gap: 26px;
  }

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

  .page-about .about-datum {
    padding: 22px 18px;
    border-top: 1px solid var(--about-line-soft);
    border-left: 1px solid var(--about-line-soft);
  }

  .page-about .about-datum:nth-child(odd) {
    border-left: 0;
  }

  .page-about .about-datum:nth-child(-n + 2) {
    border-top: 0;
  }

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

  .page-about .about-sys--wide {
    grid-column: 1 / -1;
  }

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

@media (min-width: 960px) {
  .page-about {
    --about-tl: 58px;
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-about .about-history__top {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }

  .page-about .about-tl {
    gap: 30px;
  }

  .page-about .about-tl__item {
    gap: 20px;
  }

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

  .page-about .about-datum {
    padding: 6px 22px 6px 22px;
    border-top: 0;
    border-left: 1px solid var(--about-line-soft);
  }

  .page-about .about-datum:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  }

  .page-about .about-cta {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: center;
    gap: 24px;
  }
}

@media (min-width: 1120px) {
  .page-about .about-sys--wide {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-tl__card,
  .page-about .about-sys,
  .page-about .about-principle,
  .page-about .about-tl__mark::before,
  .page-about .about-link,
  .page-about .about-jump a {
    transition: none;
  }

  .page-about .about-tl__card:hover,
  .page-about .about-sys:hover,
  .page-about .about-principle:hover {
    transform: none;
  }
}