.page-about {
  --about-grid-line: rgba(139, 92, 246, 0.14);
  --about-gold-glow: rgba(251, 191, 36, 0.22);
  background-color: var(--c-space);
  color: var(--c-slate);
  overflow-x: hidden;
}

.page-about .breadcrumbs__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.page-about .breadcrumbs__item {
  display: inline-flex;
  align-items: center;
  color: var(--c-slate);
}

.page-about .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--c-neon);
  font-family: var(--font-display);
}

.page-about .breadcrumbs__link {
  color: var(--c-slate);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-about .breadcrumbs__link:hover {
  color: var(--c-gold);
}

.page-about .breadcrumbs__item[aria-current="page"] {
  color: var(--c-lavender);
}

.page-about-hero {
  position: relative;
  padding: 112px 0 72px;
  background:
    radial-gradient(ellipse 80% 60% at 85% 10%, rgba(139, 92, 246, 0.18), transparent 60%),
    linear-gradient(180deg, rgba(11, 16, 38, 0.82), rgba(11, 16, 38, 1)),
    repeating-linear-gradient(90deg, transparent, transparent 11px, var(--about-grid-line) 11px, var(--about-grid-line) 12px);
}

.page-about-hero__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 40px;
}

.page-about-hero__rail {
  display: flex;
  align-items: flex-start;
}

.page-about-rail-note {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  line-height: 1.8;
  letter-spacing: 0.24em;
  color: var(--c-slate);
  text-transform: uppercase;
}

.page-about-hero__rail .page-about-rail-note,
.page-about-milestones__rail .page-about-rail-note {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  border-right: 1px solid var(--border-neon);
  padding-right: 16px;
  min-height: 220px;
}

@media (max-width: 899px) {
  .page-about-hero__rail .page-about-rail-note,
  .page-about-milestones__rail .page-about-rail-note {
    writing-mode: horizontal-tb;
    border-right: 0;
    border-left: 3px solid var(--c-neon);
    padding-right: 0;
    padding-left: 12px;
    min-height: 0;
  }
}

.page-about-milestones__rail .page-about-rail-note {
  border-color: rgba(251, 191, 36, 0.5);
  color: var(--c-lavender);
}

.page-about-hero__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-about-hero__title {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 54px);
  line-height: 1.16;
  color: var(--c-white);
  margin: 12px 0 18px;
  letter-spacing: 0.02em;
}

.page-about-hero__title-accent {
  color: var(--c-gold);
}

.page-about-hero__tick {
  margin-bottom: 24px;
}

.page-about-hero__desc {
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-slate);
  max-width: 660px;
  margin: 0 0 16px;
}

.page-about-hero__extra {
  font-size: 14px;
  color: var(--c-lavender);
  letter-spacing: 0.04em;
  margin: 0;
  max-width: 660px;
}

.page-about-hero__extra span {
  color: var(--c-gold);
  font-weight: 600;
}

.page-about-hero__figure-frame {
  margin: 8px 0 0;
  background: var(--c-indigo);
  border-radius: 2px;
}

.page-about-hero__figure {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-about-hero__layout {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 40px;
    margin-top: 56px;
  }

  .page-about-hero__content {
    grid-template-columns: minmax(0, 1fr) minmax(0, 400px);
    gap: 48px;
    align-items: center;
  }
}

.page-about-quote {
  padding: 24px 0;
  background: var(--c-space);
}

.page-about-quote__box {
  position: relative;
  background: linear-gradient(120deg, var(--c-indigo), rgba(45, 42, 90, 0.72));
  border-left: 4px solid var(--c-gold);
  padding: 40px 24px 36px;
  margin: 16px 0;
  box-shadow: var(--shadow-card);
}

.page-about-quote__mark {
  display: block;
  font-family: var(--font-display);
  font-size: 72px;
  height: 48px;
  line-height: 1;
  color: var(--c-gold);
  margin-bottom: 4px;
  opacity: 0.65;
}

.page-about-quote__text {
  font-size: clamp(17px, 3vw, 22px);
  line-height: 1.9;
  color: var(--c-white);
  margin: 0 0 16px 8px;
  max-width: 820px;
}

.page-about-quote__source {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--c-lavender);
  text-transform: uppercase;
  border-bottom: 1px solid rgba(251, 191, 36, 0.4);
  padding-bottom: 6px;
  margin-left: 8px;
}

@media (min-width: 720px) {
  .page-about-quote__box {
    padding: 52px 40px 44px;
  }
}

.page-about-milestones {
  padding: 72px 0 48px;
  background: linear-gradient(180deg, var(--c-ink), rgba(7, 11, 28, 0.96)), repeating-linear-gradient(135deg, transparent, transparent 16px, rgba(139, 92, 246, 0.06) 16px, rgba(139, 92, 246, 0.06) 18px);
}

.page-about-milestones__head {
  max-width: 720px;
  margin-bottom: 40px;
}

.page-about-milestones__intro {
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-slate);
  margin: 16px 0 0;
}

.page-about-milestones__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-about-milestones__list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about-milestones__list::before {
  content: "";
  position: absolute;
  left: 28px;
  top: 16px;
  bottom: 16px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-neon), rgba(251, 191, 36, 0.5));
}

.page-about-milestone {
  position: relative;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 18px;
  padding-bottom: 48px;
}

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

.page-about-milestone__node {
  background: var(--c-space);
  border: 2px solid var(--c-neon);
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  box-shadow: var(--glow-neon);
}

.page-about-milestone__index {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-gold);
}

.page-about-milestone__body {
  padding-top: 2px;
}

.page-about-milestone__title {
  font-size: 20px;
  font-weight: 600;
  color: var(--c-white);
  margin: 0 0 10px;
}

.page-about-milestone__text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-slate);
  margin: 0;
  max-width: 720px;
}

.page-about-milestone__digits {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  font-family: var(--font-display);
}

.page-about-milestone__digit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 48px;
  padding: 0 12px;
  border: 2px solid var(--c-neon);
  background: var(--c-space);
  color: var(--c-white);
  font-size: 22px;
  font-weight: 700;
}

.page-about-milestone__digit--old {
  border-color: var(--c-wine);
  color: var(--c-wine);
  text-decoration: line-through;
}

.page-about-milestone__digit--new {
  border-color: var(--c-gold);
  color: var(--c-gold);
  box-shadow: var(--glow-gold);
}

.page-about-milestone__arrow {
  color: var(--c-neon);
  font-size: 20px;
}

@media (min-width: 900px) {
  .page-about-milestones__layout {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 40px;
  }

  .page-about-milestones__list::before {
    left: 33px;
  }

  .page-about-milestone {
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 24px;
    padding-bottom: 56px;
  }

  .page-about-milestone__node {
    width: 68px;
    height: 68px;
  }
}

.page-about-milestones__figure {
  margin: 48px 0 0;
  padding: 0;
  border: 1px solid var(--border-neon);
  background: var(--c-indigo);
}

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

.page-about-principles {
  padding: 72px 0;
  background: linear-gradient(180deg, var(--c-space), var(--c-indigo));
}

.page-about-principles__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 40px;
}

.page-about-principles__head .section-title {
  margin: 0;
}

.page-about-principles__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-about-principles__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .page-about-principles__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.page-about-principle {
  position: relative;
  background: rgba(13, 18, 44, 0.72);
  border: 1px solid var(--border-neon);
  padding: 26px 22px;
  min-height: 216px;
  margin: 0;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.page-about-principle:hover {
  border-color: var(--c-gold);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45), var(--about-gold-glow);
  transform: translateY(-4px);
}

.page-about-principle__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 2px solid rgba(251, 191, 36, 0.7);
  color: var(--c-gold);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 20px;
}

.page-about-principle__title {
  font-size: 22px;
  font-weight: 600;
  color: var(--c-white);
  letter-spacing: 0.06em;
  margin: 0 0 10px;
}

.page-about-principle__text {
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-slate);
  margin: 0;
}

.page-about-principles__figure-wrap {
  margin: 0;
  padding: 12px;
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid var(--border-neon);
}

.page-about-principles__figure-wrap img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 960px) {
  .page-about-principles__layout {
    grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.8fr);
    align-items: center;
    gap: 40px;
  }
}

.page-about-direction {
  padding: 72px 0 88px;
  background: var(--c-space);
}

.page-about-direction__head {
  margin-bottom: 32px;
}

.page-about-direction__head .section-title {
  margin: 0;
}

.page-about-direction__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about-direction__card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
  min-height: 168px;
  border: 2px solid var(--c-neon);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.12), rgba(11, 16, 38, 0.95) 60%);
  padding: 24px;
  color: var(--c-white);
  text-decoration: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.page-about-direction__card:hover {
  border-color: var(--c-gold);
  box-shadow: var(--glow-gold);
  transform: translateY(-3px);
}

.page-about-direction__label {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--c-gold);
  text-transform: uppercase;
}

.page-about-direction__title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
}

.page-about-direction__arrow {
  font-size: 20px;
  color: var(--c-neon);
  transition: color 0.2s ease;
}

.page-about-direction__card:hover .page-about-direction__arrow {
  color: var(--c-gold);
}

@media (min-width: 900px) {
  .page-about-direction__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}