.page-about {
  --about-panel-gap: 14px;
  --about-panel-radius: 30px;
  --about-inner-wide: 1120px;
  --about-title-size: clamp(2.6rem, 9vw, 5.2rem);
  --about-chapter-size: clamp(2rem, 5vw, 3rem);
  background: #e9edf6;
  color: var(--text-primary);
  overflow-x: hidden;
}

.page-about .about-inner {
  width: 100%;
  max-width: var(--about-inner-wide);
  margin-inline: auto;
}

.page-about > section {
  margin: 0 var(--about-panel-gap) calc(var(--about-panel-gap) + 8px);
  border-radius: var(--about-panel-radius);
  padding: clamp(2.75rem, 7vw, 5.5rem) clamp(1.25rem, 4vw, 3rem);
  box-shadow: 0 24px 60px rgba(11, 27, 61, 0.1);
}

.page-about .about-hero__crumbs .breadcrumb {
  margin: 0 0 2.5rem;
  padding: 0;
}

.page-about .about-hero__crumbs .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-hero__crumbs .breadcrumb__link {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-about .about-hero__crumbs .breadcrumb__link:hover {
  color: #ffffff;
}

.page-about .about-hero__crumbs .breadcrumb__link[aria-current="page"] {
  color: var(--accent-green);
}

.page-about .about-hero {
  background-color: var(--primary-bg);
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.14) 1px, transparent 1.4px),
    linear-gradient(135deg, rgba(0, 255, 163, 0.06), transparent 42%);
  background-size: 28px 28px, 100% 100%;
  color: #ffffff;
}

.page-about .about-hero__grid {
  display: grid;
  gap: 2rem;
}

.page-about .about-hero__kicker {
  margin: 0 0 1rem;
  color: var(--accent-green);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-about .about-hero__title {
  margin: 0 0 1rem;
  color: #ffffff;
  font-family: var(--font-headline);
  font-size: var(--about-title-size);
  font-weight: 200;
  letter-spacing: -0.03em;
  line-height: 1.02;
}

.page-about .about-hero__subtitle {
  margin: 0;
  color: var(--accent-orange);
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2vw, 1.2rem);
}

.page-about .about-hero__lead {
  max-width: 34em;
  margin: 0 0 1.75rem;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.05rem;
  line-height: 1.8;
}

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

.page-about .about-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.page-about .about-media--wide img,
.page-about .about-media--short img {
  aspect-ratio: 3 / 2;
}

.page-about .about-media--credential img {
  aspect-ratio: 4 / 3;
}

.page-about .about-media__caption {
  margin-top: 0.75rem;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.85rem;
  line-height: 1.6;
}

.page-about .about-hero .about-media img {
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.page-about .about-chapter {
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-about .about-chapter__index {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--accent-orange);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-about .about-chapter__title {
  margin: 0 0 0.75rem;
  color: var(--text-primary);
  font-family: var(--font-headline);
  font-size: var(--about-chapter-size);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.page-about .about-chapter__lead {
  max-width: 30em;
  margin: 0;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

.page-about .about-milestones {
  background: var(--light-bg);
  color: var(--text-primary);
}

.page-about .about-milestones__layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
}

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

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 5px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-green), var(--accent-orange) 70%, transparent);
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 1.75rem 1.75rem;
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  top: 0.35rem;
  left: -1px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-orange);
  box-shadow: 0 0 0 6px rgba(255, 107, 53, 0.16);
  transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.page-about .about-timeline__item:hover::before {
  background: var(--accent-green);
  box-shadow: 0 0 0 8px rgba(0, 255, 163, 0.15);
  transform: scale(1.1);
}

.page-about .about-timeline__year {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  transition: color 0.25s ease;
}

.page-about .about-timeline__item:hover .about-timeline__year {
  color: var(--accent-orange);
}

.page-about .about-timeline__card {
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent-green);
  border-radius: var(--radius-md);
  background: #ffffff;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-about .about-timeline__item:hover .about-timeline__card {
  transform: translateX(4px);
  box-shadow: 0 16px 34px rgba(11, 27, 61, 0.12);
}

.page-about .about-timeline__name {
  margin: 0 0 0.4rem;
  color: var(--text-primary);
  font-size: 1.08rem;
  font-weight: 700;
}

.page-about .about-timeline__desc {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

.page-about .about-credentials {
  background: var(--wine);
  color: #ffffff;
}

.page-about .about-credentials__grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.page-about .about-credentials .about-chapter__title {
  color: #ffffff;
}

.page-about .about-credentials .about-chapter__lead {
  color: rgba(255, 255, 255, 0.72);
}

.page-about .about-credentials__list {
  display: grid;
  gap: 1rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.page-about .about-credential {
  padding: 1.2rem 1.3rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  transition: background 0.25s ease, transform 0.25s ease;
}

.page-about .about-credential:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}

.page-about .about-credential__index {
  display: block;
  margin-bottom: 0.6rem;
  color: var(--accent-green);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.page-about .about-credential__name {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
}

.page-about .about-scale {
  background: var(--indigo);
  color: #ffffff;
}

.page-about .about-scale .about-chapter__title {
  color: #ffffff;
}

.page-about .about-scale .about-chapter__lead {
  color: rgba(255, 255, 255, 0.72);
}

.page-about .about-scale__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}

.page-about .about-stat {
  padding: 1.25rem 1.1rem;
  border-bottom: 3px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
}

.page-about .about-stat__value {
  display: block;
  color: var(--accent-green);
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1;
}

.page-about .about-stat:nth-child(3) .about-stat__value,
.page-about .about-stat:nth-child(5) .about-stat__value {
  color: var(--accent-orange);
}

.page-about .about-stat__label {
  display: block;
  margin-top: 0.6rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.88rem;
}

.page-about .about-scale__grid {
  display: grid;
  gap: 1.5rem;
  margin: 0 0 1.75rem;
}

.page-about .about-scale__grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.98rem;
  line-height: 1.75;
}

.page-about .about-scale__features {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-scale__features li {
  position: relative;
  padding-left: 1.6rem;
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.95rem;
  line-height: 1.6;
}

.page-about .about-scale__features li::before {
  content: "";
  position: absolute;
  top: 0.5em;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 12px rgba(0, 255, 163, 0.6);
}

.page-about .about-scale__cta {
  display: inline-flex;
  margin-top: 0.5rem;
}

.page-about .about-philosophy {
  background: #ffffff;
  color: var(--text-primary);
}

.page-about .about-philosophy__grid {
  display: grid;
  gap: 2rem;
  align-items: start;
}

.page-about .about-philosophy__copy p {
  margin: 0 0 1rem;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
}

.page-about .about-principles {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.page-about .about-principle {
  padding: 1.2rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--light-bg);
}

.page-about .about-principle__index {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--accent-orange);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.page-about .about-principle__title {
  margin: 0 0 0.4rem;
  color: var(--text-primary);
  font-size: 1.02rem;
  font-weight: 700;
}

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

.page-about .about-philosophy .about-media__caption {
  color: var(--text-secondary);
}

.page-about .about-versionpan {
  display: grid;
  gap: 1rem;
  align-items: center;
  margin-top: 2rem;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--indigo), #2c2a5c 60%, var(--wine));
  color: #ffffff;
}

.page-about .about-versionpan__number {
  color: var(--accent-green);
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
}

.page-about .about-versionpan__meta {
  margin: 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  line-height: 1.5;
}

.page-about .about-versionpan__meta strong {
  color: #ffffff;
  font-weight: 600;
}

.page-about .about-versionpan__steps {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 3.2rem;
}

.page-about .about-versionpan__steps i {
  display: block;
  width: 16px;
  border-radius: 6px 6px 0 0;
  background: var(--accent-green);
  opacity: 0.85;
}

.page-about .about-versionpan__steps i:nth-child(1) {
  height: 8px;
  background: var(--accent-orange);
}

.page-about .about-versionpan__steps i:nth-child(2) {
  height: 14px;
}

.page-about .about-versionpan__steps i:nth-child(3) {
  height: 22px;
  background: var(--accent-orange);
}

.page-about .about-versionpan__steps i:nth-child(4) {
  height: 32px;
}

.page-about .about-versionpan__steps i:nth-child(5) {
  height: 44px;
  background: var(--accent-orange);
}

.page-about .about-philosophy__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.page-about .about-philosophy__actions .btn,
.page-about .about-outro__cta {
  display: inline-flex;
}

.page-about .about-philosophy .btn--ghost {
  border-color: var(--border);
  color: var(--text-primary);
}

.page-about .about-outro {
  background: var(--primary-bg);
  color: #ffffff;
  text-align: center;
}

.page-about .about-outro__text {
  margin: 0 0 0.75rem;
  color: #ffffff;
  font-size: clamp(1.05rem, 3vw, 1.6rem);
  font-weight: 600;
  line-height: 1.6;
}

.page-about .about-outro__trust {
  margin: 0 0 2rem;
  color: var(--accent-green);
  font-family: var(--font-mono);
  font-size: 0.92rem;
}

.page-about .about-outro .btn--ghost {
  border-color: rgba(255, 255, 255, 0.35);
  color: #ffffff;
}

.page-about .about-outro .btn--ghost:hover {
  border-color: var(--accent-green);
  color: var(--accent-green);
}

@media (min-width: 640px) {
  .page-about {
    --about-panel-gap: 20px;
  }

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

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

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

  .page-about .about-versionpan__steps {
    justify-content: flex-end;
  }
}

@media (min-width: 820px) {
  .page-about .about-scale__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
  }

  .page-about .about-versionpan {
    grid-template-columns: auto 1fr auto;
    gap: 1.5rem;
  }
}

@media (min-width: 920px) {
  .page-about {
    --about-panel-gap: clamp(24px, 5vw, 64px);
  }

  .page-about > section {
    border-radius: 44px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(2rem, 6vw, 5rem);
    align-items: center;
  }

  .page-about .about-milestones__layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }

  .page-about .about-credentials__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 3.5rem;
  }

  .page-about .about-scale__stats {
    grid-template-columns: repeat(5, 1fr);
  }

  .page-about .about-philosophy__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 3.5rem;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}