.page-about {
  --about-gap: clamp(28px, 5vw, 64px);
  --about-rule: 1px solid var(--border-subtle);
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-about .container {
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 48px);
}

.page-about .kicker {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-blue);
}

.page-about .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 20px 0 0;
  list-style: none;
  font-size: 14px;
  color: var(--text-secondary);
}

.page-about .breadcrumb__item + .breadcrumb__item::before {
  content: "∕";
  margin-right: 6px;
  color: var(--text-secondary);
}

.page-about .breadcrumb__item a {
  color: var(--accent-blue);
  text-decoration: none;
}

.page-about .breadcrumb__item a:hover,
.page-about .breadcrumb__item a:focus-visible {
  color: var(--accent-green);
  text-decoration: underline;
}

.page-about .about-hero {
  position: relative;
  padding: 64px 0 48px;
  background-image:
    linear-gradient(rgba(198, 255, 0, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(198, 255, 0, 0.06) 1px, transparent 1px),
    radial-gradient(720px 380px at 85% 0%, rgba(0, 229, 255, 0.14), transparent 65%);
  background-size: 44px 44px, 44px 44px, auto;
  border-bottom: var(--about-rule);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-blue), transparent);
  opacity: 0.7;
}

.page-about .about-hero__wrap {
  max-width: 880px;
}

.page-about .about-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-about .about-hero__kicker::before {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--accent-green);
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

.page-about .about-hero__title {
  margin: 18px 0 0;
  font-family: var(--font-headline);
  font-size: clamp(32px, 7vw, 56px);
  font-weight: 900;
  font-style: italic;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.page-about .about-hero__lead {
  margin: 14px 0 0;
  font-family: var(--font-headline);
  font-size: clamp(18px, 3vw, 28px);
  font-weight: 700;
  color: var(--accent-green);
}

.page-about .about-hero__desc {
  margin: 20px 0 0;
  max-width: 640px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.page-about .about-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-top: 32px;
  padding-top: 20px;
  border-top: var(--about-rule);
  font-size: 14px;
  color: var(--text-secondary);
}

.page-about .about-hero__meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  font-size: 13px;
  line-height: 1.4;
}

.page-about .about-hero__meta .num {
  color: var(--accent-green);
  font-weight: 700;
}

.page-about .about-chapters {
  border-bottom: var(--about-rule);
  background: rgba(255, 255, 255, 0.02);
}

.page-about .about-chapters__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 14px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-subtle) transparent;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-chapters__list li {
  flex-shrink: 0;
}

.page-about .about-chapters__list a {
  display: inline-block;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  border: 1px solid transparent;
  transition:
    color 0.25s var(--ease-out),
    border-color 0.25s var(--ease-out),
    background 0.25s var(--ease-out);
}

.page-about .about-chapters__list a:hover,
.page-about .about-chapters__list a:focus-visible {
  color: var(--accent-green);
  border-color: var(--border-subtle);
  background: var(--bg-surface);
}

.page-about .about-who,
.page-about .about-milestones,
.page-about .about-cap,
.page-about .about-values {
  border-bottom: var(--about-rule);
}

.page-about .about-who {
  padding-block: 72px 64px;
}

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

.page-about .about-who__head h2,
.page-about .about-milestones__head h2,
.page-about .about-cap__head h2,
.page-about .about-values__head h2,
.page-about .about-cta h2 {
  margin: 10px 0 0;
  font-family: var(--font-headline);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 900;
  font-style: italic;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.page-about .about-who__tagline {
  margin: 24px 0 0;
  font-size: 18px;
  font-weight: 500;
  color: var(--text-primary);
}

.page-about .about-who__body {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-secondary);
}

.page-about .about-who__body p {
  margin: 0 0 1.2em;
}

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

.page-about .about-who__lead-text {
  font-size: 20px;
  line-height: 1.7;
  font-weight: 500;
  color: var(--text-primary);
}

.page-about .about-milestones {
  padding-block: 72px 72px;
}

.page-about .about-milestones__head {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-about .about-milestones__head .section-head__meta {
  max-width: 360px;
  margin: 0;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.page-about .about-milestones__media {
  margin-top: 40px;
}

.page-about .media-frame {
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

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

.page-about .media-frame__caption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-subtle);
  line-height: 1.6;
}

.page-about .about-timeline {
  position: relative;
  margin-top: 48px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--accent-blue),
    rgba(0, 229, 255, 0.35) 30%,
    rgba(42, 46, 61, 0.9) 85%,
    transparent
  );
}

.page-about .about-timeline__item {
  position: relative;
  padding: 28px 0 28px 40px;
  border-bottom: 1px solid var(--border-subtle);
}

.page-about .about-timeline__item:last-child {
  border-bottom: none;
}

.page-about .about-timeline__dot {
  position: absolute;
  left: 0;
  top: 36px;
  width: 12px;
  height: 12px;
  box-sizing: border-box;
  background: var(--bg-main);
  border: 2px solid var(--accent-blue);
  transform: rotate(45deg);
  transition:
    background 0.3s var(--ease-out),
    border-color 0.3s var(--ease-out),
    box-shadow 0.3s var(--ease-out);
}

.page-about .about-timeline__meta {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}

.page-about .about-timeline__index {
  font-size: 14px;
  color: var(--accent-blue);
}

.page-about .about-timeline__period {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--accent-green);
  text-transform: uppercase;
}

.page-about .about-timeline__content h3 {
  margin: 0 0 8px;
  font-family: var(--font-headline);
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  transition: color 0.3s var(--ease-out);
}

.page-about .about-timeline__content p {
  margin: 0;
  max-width: 640px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.page-about .about-timeline__item:hover .about-timeline__dot,
.page-about .about-timeline__item:focus-within .about-timeline__dot {
  background: var(--accent-green);
  border-color: var(--accent-green);
  box-shadow:
    0 0 0 4px rgba(198, 255, 0, 0.18),
    0 0 20px rgba(198, 255, 0, 0.35);
}

.page-about .about-timeline__item:hover .about-timeline__content h3,
.page-about .about-timeline__item:focus-within .about-timeline__content h3 {
  color: var(--accent-green);
}

.page-about .about-cap {
  padding-block: 72px 72px;
}

.page-about .about-cap__head,
.page-about .about-values__head {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-about .about-cap__intro,
.page-about .about-values__intro {
  margin: 0;
  max-width: 400px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.page-about .about-cap__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 40px 0 0;
}

.page-about .about-cap__stat {
  position: relative;
  margin: 0;
  padding: 22px 18px 22px 22px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
}

.page-about .about-cap__stat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--accent-blue);
  opacity: 0.55;
}

.page-about .about-cap__stat dt {
  font-family: var(--font-mono);
  font-size: clamp(28px, 6vw, 40px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--accent-green);
}

.page-about .about-cap__stat dd {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.page-about .about-cap__bottom {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 40px;
}

.page-about .about-cap__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--border-subtle);
}

.page-about .about-cap__list li {
  padding: 20px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.page-about .about-cap__list h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-blue);
}

.page-about .about-cap__list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.page-about .about-cap__list a {
  color: var(--accent-green);
  text-decoration: none;
}

.page-about .about-cap__list a:hover,
.page-about .about-cap__list a:focus-visible {
  text-decoration: underline;
}

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

.page-about .about-values__list {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
}

.page-about .about-values__item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  padding: 28px 0;
  border-top: 1px solid var(--border-subtle);
  transition:
    padding-left 0.3s var(--ease-out),
    background 0.3s var(--ease-out);
}

.page-about .about-values__item:last-child {
  border-bottom: 1px solid var(--border-subtle);
}

.page-about .about-values__index {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--accent-green);
}

.page-about .about-values__copy h3 {
  margin: 0 0 8px;
  font-family: var(--font-headline);
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
}

.page-about .about-values__copy p {
  margin: 0;
  max-width: 640px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.page-about .about-values__item:hover {
  background: linear-gradient(90deg, rgba(198, 255, 0, 0.05), transparent 65%);
  padding-left: 12px;
}

.page-about .about-values__media {
  margin-top: 40px;
}

.page-about .about-cta {
  padding-block: 72px;
  border-bottom: none;
  background:
    radial-gradient(600px 260px at 70% 100%, rgba(0, 229, 255, 0.1), transparent 70%),
    var(--bg-footer);
}

.page-about .about-cta__wrap {
  text-align: center;
}

.page-about .about-cta__wrap > p:not(.kicker) {
  margin: 16px auto 0;
  max-width: 540px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}

.page-about .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: 1px solid transparent;
  transition:
    background 0.25s var(--ease-out),
    color 0.25s var(--ease-out),
    border-color 0.25s var(--ease-out),
    transform 0.25s var(--ease-out),
    box-shadow 0.25s var(--ease-out);
}

.page-about .btn:hover,
.page-about .btn:focus-visible {
  transform: translateY(-2px);
}

.page-about .btn--primary {
  background: var(--accent-green);
  color: #0B0E14;
}

.page-about .btn--primary:hover,
.page-about .btn--primary:focus-visible {
  box-shadow: 0 6px 30px rgba(198, 255, 0, 0.35);
}

.page-about .btn--ghost {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: transparent;
}

.page-about .btn--ghost:hover,
.page-about .btn--ghost:focus-visible {
  border-color: var(--accent-green);
  color: var(--accent-green);
  box-shadow: 0 0 0 3px rgba(198, 255, 0, 0.12);
}

.page-about .about-cta__more {
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-secondary);
}

.page-about .about-cta__more a {
  color: var(--accent-blue);
  text-decoration: none;
}

.page-about .about-cta__more a:hover,
.page-about .about-cta__more a:focus-visible {
  color: var(--accent-green);
  text-decoration: underline;
}

.page-about a:focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: 3px;
}

@media (min-width: 520px) {
  .page-about .about-cap__stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .page-about .about-who {
    padding-block: 96px 88px;
  }

  .page-about .about-who__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--about-gap);
  }

  .page-about .about-milestones {
    padding-block: 96px 88px;
  }

  .page-about .about-milestones__head {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }

  .page-about .about-milestones__media {
    margin-top: 48px;
  }

  .page-about .about-cap {
    padding-block: 96px 88px;
  }

  .page-about .about-cap__head,
  .page-about .about-values__head {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }

  .page-about .about-values {
    padding-block: 96px 88px;
  }

  .page-about .about-values__item {
    grid-template-columns: 64px 1fr;
    gap: 28px;
  }

  .page-about .about-cap__list li {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 24px;
  }

  .page-about .about-cap__list h3 {
    margin: 0;
  }
}

@media (min-width: 992px) {
  .page-about .about-cap__stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-cap__bottom {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
    align-items: center;
  }

  .page-about .about-cta {
    padding-block: 88px;
  }

  .page-about .about-cta__actions {
    gap: 16px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: view()) {
    .page-about .section-fade {
      animation: about-section-fade-in linear both;
      animation-timeline: view();
      animation-range: entry 0% entry 35%;
    }

    @keyframes about-section-fade-in {
      from {
        opacity: 0.25;
        transform: translateY(32px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
  }
}