.page-about {
  --about-line: 1px solid rgba(168, 178, 194, 0.18);
  --about-strong-line: 1px solid rgba(255, 77, 0, 0.4);
  background: var(--color-secondary);
  color: var(--color-text);
  overflow-x: hidden;
}

.page-about .about-cover {
  padding: calc(var(--header-h) + 48px) 16px 40px;
  background:
    radial-gradient(ellipse 90% 70% at 85% -10%, rgba(255, 77, 0, 0.22), transparent 60%),
    var(--color-secondary);
  border-bottom: 4px solid var(--color-primary);
}

.page-about .about-cover__grid {
  max-width: 1280px;
  margin: 0 auto;
}

.page-about .about-cover__side {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.page-about .about-cover__index {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  line-height: 1;
}

.page-about .about-cover__path {
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.page-about .about-cover__main {
  max-width: 720px;
}

.page-about .about-cover__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.page-about .about-cover__version {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  border: 1px solid rgba(0, 255, 163, 0.35);
  padding: 2px 8px;
  letter-spacing: 0.04em;
}

.page-about .about-cover h1 {
  margin: 0 0 20px;
  font-size: clamp(2.4rem, 7vw, 4.2rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--color-text);
}

.page-about .about-cover__lead {
  margin: 0 0 28px;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  max-width: 60ch;
}

.page-about .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

.page-about .breadcrumbs a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color var(--transition-speed) ease;
}

.page-about .breadcrumbs a:hover {
  color: var(--color-accent);
}

.page-about .section-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-primary);
  letter-spacing: 0.1em;
  display: inline-block;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.page-about .about-profile {
  max-width: 1280px;
  margin: 0 auto;
  padding: 56px 16px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-about .about-archive {
  background: var(--color-bg-data);
  border: var(--about-line);
  padding: 24px;
  position: relative;
}

.page-about .about-archive::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-primary);
}

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

.page-about .about-archive h2,
.page-about .about-intro h2,
.page-about .about-timeline__heading h3,
.page-about .about-team__heading h2,
.page-about .about-values__heading h2 {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.page-about .about-archive__list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  border-top: var(--about-line);
}

.page-about .about-archive__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: var(--about-line);
  gap: 12px;
}

.page-about .about-archive__row dt {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.page-about .about-archive__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  text-align: right;
  white-space: nowrap;
}

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

.page-about .about-archive__figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  aspect-ratio: 4 / 5;
}

.page-about .about-archive__figure figcaption {
  margin-top: 8px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.page-about .about-intro {
  margin-bottom: 48px;
  border-left: 3px solid var(--color-primary-light);
  padding-left: 20px;
}

.page-about .about-intro h2 {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  margin-bottom: 16px;
}

.page-about .about-intro p {
  margin: 0 0 14px;
  line-height: 1.7;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  max-width: 65ch;
}

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

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

.page-about .about-timeline__list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary-mid), rgba(60, 79, 102, 0.2));
}

.page-about .about-timeline__item {
  position: relative;
  padding-left: 28px;
  margin-bottom: 32px;
}

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

.page-about .about-timeline__dot {
  position: absolute;
  left: -16px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-secondary);
  border: 3px solid var(--color-primary);
  box-shadow: 0 0 0 0 rgba(255, 77, 0, 0);
  transition: box-shadow var(--transition-speed) ease;
}

.page-about .about-timeline__item:hover .about-timeline__dot,
.page-about .about-timeline__item:focus-within .about-timeline__dot {
  box-shadow: 0 0 0 8px rgba(255, 77, 0, 0.1);
}

.page-about .about-timeline__year {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-primary);
  letter-spacing: -0.03em;
  line-height: 1;
  display: block;
  margin-bottom: 12px;
}

.page-about .about-timeline__card {
  border: var(--about-line);
  background: rgba(255, 255, 255, 0.025);
  padding: 16px;
  transition: background var(--transition-speed) ease, transform var(--transition-speed) ease;
}

.page-about .about-timeline__card h4 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
}

.page-about .about-timeline__card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.page-about .about-timeline__item:hover .about-timeline__card,
.page-about .about-timeline__item:focus-within .about-timeline__card {
  background: rgba(255, 77, 0, 0.08);
  transform: translateX(4px);
}

.page-about .about-timeline__note {
  margin-top: 24px;
  font-size: 0.88rem;
}

.page-about .about-timeline__note a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 255, 163, 0.3);
  padding-bottom: 2px;
  transition: border-color var(--transition-speed) ease;
}

.page-about .about-timeline__note a:hover {
  border-color: var(--color-accent);
}

.page-about .about-team {
  background: var(--color-bg-data);
  border-top: var(--about-strong-line);
  border-bottom: var(--about-strong-line);
  padding: 56px 16px;
}

.page-about .about-team__heading {
  max-width: 1280px;
  margin: 0 auto 32px;
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.page-about .about-team__heading h2 {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
}

.page-about .about-team__content {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-about .about-team__text {
  border-left: 2px solid var(--color-accent);
  padding-left: 20px;
}

.page-about .about-team__text p {
  margin: 0 0 12px;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.page-about .about-team__tags {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .about-team__tags li {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  border: 1px solid rgba(0, 255, 163, 0.3);
  padding: 4px 10px;
  letter-spacing: 0.04em;
}

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

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

.page-about .about-team__figure figcaption,
.page-about .about-team__tech figcaption {
  margin-top: 8px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.page-about .about-values {
  max-width: 1280px;
  margin: 0 auto;
  padding: 64px 16px;
}

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

.page-about .about-values__heading h2 {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
}

.page-about .about-values__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 32px;
}

.page-about .about-values__item {
  border: var(--about-line);
  padding: 24px;
  position: relative;
  background: linear-gradient(135deg, rgba(255, 77, 0, 0.06), transparent 60%);
  transition: border-color var(--transition-speed) ease, background var(--transition-speed) ease, transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.page-about .about-values__item:hover {
  background: linear-gradient(135deg, rgba(255, 77, 0, 0.14), transparent 60%);
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.page-about .about-values__item::after {
  content: "";
  display: block;
  width: 32px;
  height: 2px;
  background: var(--color-accent);
  margin-top: 16px;
}

.page-about .about-values__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-primary);
  letter-spacing: 0.1em;
}

.page-about .about-values__item h3 {
  margin: 8px 0 10px;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 900;
  color: var(--color-text);
}

.page-about .about-values__item p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.page-about .about-trust {
  display: flex;
  align-items: center;
  gap: 10px;
  border-left: 2px solid var(--color-primary);
  background: rgba(255, 77, 0, 0.05);
  padding: 14px 16px;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--color-text-muted);
  max-width: 720px;
}

.page-about .about-trust__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

.page-about .about-values__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

@media (min-width: 768px) {
  .page-about .about-cover {
    padding: calc(var(--header-h) + 72px) 32px 56px;
  }

  .page-about .about-cover__grid {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 48px;
  }

  .page-about .about-cover__side {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 0;
  }

  .page-about .about-profile {
    grid-template-columns: 300px 1fr;
    gap: 48px;
    align-items: start;
    padding: 72px 32px;
  }

  .page-about .about-timeline__list {
    padding-left: 20px;
  }

  .page-about .about-timeline__list::before {
    left: 7px;
  }

  .page-about .about-timeline__item {
    padding-left: 32px;
  }

  .page-about .about-timeline__dot {
    left: -20px;
    top: 6px;
  }

  .page-about .about-timeline__year {
    font-size: 2.4rem;
  }

  .page-about .about-team {
    padding: 72px 32px;
  }

  .page-about .about-values {
    padding: 72px 32px;
  }

  .page-about .about-values__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-team__content {
    grid-template-columns: 1fr 480px;
    grid-template-rows: auto auto;
    column-gap: 40px;
    row-gap: 24px;
    align-items: start;
  }

  .page-about .about-team__text {
    grid-column: 1;
    grid-row: 1 / 3;
    padding-right: 24px;
  }

  .page-about .about-team__figure {
    grid-column: 2;
    grid-row: 1;
  }

  .page-about .about-team__tech {
    grid-column: 2;
    grid-row: 2;
  }
}