.page-about {
  color: var(--ivory);
  background:
    radial-gradient(120% 70% at 100% 0%, rgba(139, 92, 246, 0.12), transparent 62%),
    radial-gradient(90% 55% at 0% 6%, rgba(61, 123, 255, 0.1), transparent 60%),
    var(--ink-0);
  padding-bottom: clamp(56px, 9vw, 120px);
  overflow-x: clip;
}

.page-about .about-top {
  padding-top: clamp(16px, 3vw, 30px);
}

.page-about .about-head {
  position: relative;
  margin-top: clamp(20px, 4vw, 40px);
  padding-bottom: clamp(30px, 5vw, 56px);
}

.page-about .about-head::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--gold) 0%, rgba(201, 162, 39, 0.25) 38%, transparent 78%);
}

.page-about .about-head__title {
  margin: 14px 0 0;
  font-size: clamp(38px, 7vw, 88px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.045em;
  max-width: 14ch;
  color: var(--ivory);
}

.page-about .about-head__lede {
  margin: clamp(16px, 2.5vw, 24px) 0 0;
  max-width: 38em;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  color: rgba(244, 240, 230, 0.78);
}

.page-about .about-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(28px, 4vw, 44px);
  padding: 1px;
  background: var(--line-soft);
  border-radius: 4px;
  overflow: hidden;
}

.page-about .about-fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: var(--ink-0);
}

.page-about .about-fact__value {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.8vw, 28px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold-bright);
}

.page-about .about-fact__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

.page-about .about-body {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  padding-top: clamp(32px, 5vw, 64px);
}

.page-about .about-index {
  border-top: 1px solid var(--line-soft);
  padding-top: 14px;
}

.page-about .about-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-about .about-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-about .about-index__list::-webkit-scrollbar {
  display: none;
}

.page-about .about-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: rgba(28, 27, 36, 0.6);
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible {
  color: var(--ivory);
  border-color: rgba(201, 162, 39, 0.6);
  background: rgba(201, 162, 39, 0.1);
}

.page-about .about-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-about .about-chapter {
  padding-block: clamp(30px, 5vw, 60px);
  border-top: 1px solid var(--line-soft);
}

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

.page-about .about-chapter__kick {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-about .about-chapter__title {
  margin: 12px 0 0;
  font-size: clamp(26px, 4.2vw, 48px);
  font-weight: 300;
  line-height: 1.16;
  letter-spacing: -0.025em;
  max-width: 20ch;
  color: var(--ivory);
}

.page-about .about-prose {
  display: grid;
  gap: 14px;
  margin-top: clamp(18px, 2.5vw, 28px);
  max-width: 40em;
}

.page-about .about-prose p {
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--muted);
}

.page-about .about-prose strong {
  color: var(--ivory);
  font-weight: 600;
}

.page-about .about-link {
  color: var(--gold-bright);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 162, 39, 0.45);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

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

.page-about .about-version {
  display: grid;
  gap: clamp(24px, 3vw, 36px);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-about .about-timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 26px;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold) 0%, rgba(201, 162, 39, 0.35) 52%, rgba(139, 92, 246, 0.5) 100%);
}

.page-about .about-timeline__item {
  position: relative;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -23px;
  top: 22px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ink-0);
  border: 1px solid var(--gold);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.12);
}

.page-about .about-timeline__card {
  padding: 16px 18px;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: linear-gradient(140deg, rgba(28, 27, 36, 0.92), rgba(18, 18, 26, 0.72));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.page-about .about-timeline__item:hover .about-timeline__card {
  transform: translateX(3px);
  border-color: rgba(201, 162, 39, 0.45);
}

.page-about .about-timeline__tag {
  display: inline-block;
  padding: 3px 14px 3px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold-bright);
  background: rgba(201, 162, 39, 0.12);
  border: 1px solid rgba(201, 162, 39, 0.38);
  clip-path: polygon(0 0, 100% 0, calc(100% - 9px) 100%, 0 100%);
}

.page-about .about-timeline__name {
  margin: 12px 0 6px;
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ivory);
}

.page-about .about-timeline__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-about .about-figure {
  margin: clamp(22px, 3vw, 30px) 0 0;
}

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

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  object-fit: cover;
  background: linear-gradient(160deg, rgba(139, 92, 246, 0.35), rgba(61, 123, 255, 0.2) 55%, var(--ink-0));
}

.page-about .about-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .about-crew {
  display: grid;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-about .about-crew__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 18px 20px;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: rgba(18, 18, 26, 0.72);
}

.page-about .about-crew__num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}

.page-about .about-crew__num small {
  margin-left: 4px;
  font-size: 0.42em;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-about .about-crew__name {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--ivory);
}

.page-about .about-crew__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .about-partners {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(22px, 3vw, 32px);
}

.page-about .about-partners__body .about-prose {
  margin-top: 0;
}

.page-about .about-partners__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-about .about-partners__stat {
  flex: 1 1 130px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 14px 16px;
  border: 1px solid var(--line-soft);
  border-left: 2px solid rgba(201, 162, 39, 0.55);
  border-radius: 8px;
  background: rgba(28, 27, 36, 0.55);
}

.page-about .about-partners__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 700;
  line-height: 1;
  color: var(--ivory);
}

.page-about .about-partners__label {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
}

.page-about .about-principles {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-principle {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-principle__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-about .about-principle__name {
  margin: 0;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ivory);
}

.page-about .about-principle__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .about-cta {
  display: grid;
  gap: 16px;
  margin-top: clamp(32px, 5vw, 56px);
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid rgba(201, 162, 39, 0.28);
  border-radius: 12px;
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(139, 92, 246, 0.2), transparent 60%),
    linear-gradient(140deg, rgba(28, 27, 36, 0.95), rgba(18, 18, 26, 0.86));
}

.page-about .about-cta__title {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ivory);
}

.page-about .about-cta__text {
  margin: 0;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 700px) {
  .page-about .about-crew {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-principle {
    grid-template-columns: 64px minmax(0, 168px) minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

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

@media (min-width: 860px) {
  .page-about .about-version {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: start;
  }

  .page-about .about-partners {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-about .about-body {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 76px);
    align-items: start;
  }

  .page-about .about-index {
    position: sticky;
    top: clamp(20px, 7vh, 64px);
  }

  .page-about .about-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-about .about-index__link {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 6px;
    background: transparent;
    white-space: normal;
  }

  .page-about .about-index__link:hover,
  .page-about .about-index__link:focus-visible {
    border-left-color: var(--gold);
    background: rgba(201, 162, 39, 0.08);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-index__link,
  .page-about .about-timeline__card,
  .page-about .about-link {
    transition: none;
  }

  .page-about .about-timeline__item:hover .about-timeline__card {
    transform: none;
  }
}