.page-about {
  --about-aside-w: 168px;
  --about-gap: clamp(28px, 5vw, 88px);
  background: var(--paper);
  color: var(--ink);
}

.page-about h1,
.page-about h2,
.page-about h3 {
  font-family: var(--font-sans);
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-about h1 {
  font-size: clamp(2.6rem, 7vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -0.04em;
  margin: 12px 0 20px;
}

.page-about h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.16;
  margin: 0 0 18px;
}

.page-about h3 {
  font-size: 1.2rem;
  line-height: 1.3;
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding-top: 96px;
  padding-bottom: 56px;
  background: linear-gradient(135deg, rgba(242, 92, 5, 0.14), rgba(139, 47, 201, 0.12)) var(--muted);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  right: -56px;
  top: -72px;
  width: 240px;
  height: 240px;
  border-radius: 38px;
  background: var(--grad);
  opacity: 0.68;
  transform: rotate(14deg);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 10%;
  bottom: -64px;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  border: 28px solid rgba(255, 212, 0, 0.42);
}

.page-about .about-hero .container {
  position: relative;
  z-index: 1;
}

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

.page-about .about-hero-grid {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-about .about-hero-lead {
  max-width: 620px;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--ink);
  margin: 0 0 20px;
}

.page-about .about-hero-note {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--ink);
  box-shadow: var(--shadow-soft);
}

.page-about .about-hero-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-float);
  background: var(--paper);
}

.page-about .about-hero-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-about .about-hero-figure figcaption {
  padding: 14px 16px;
  font-size: 0.875rem;
  color: var(--gray-text);
  background: var(--white);
}

.page-about .about-section {
  padding-top: 56px;
  padding-bottom: 56px;
}

.page-about .about-section + .about-section {
  border-top: 1px solid var(--line);
}

.page-about .about-layout {
  display: block;
}

.page-about .about-aside {
  margin-bottom: 16px;
  padding-left: 18px;
  border-left: 4px solid var(--orange);
}

.page-about .about-aside-label {
  margin: 4px 0 0;
  font-weight: 900;
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.page-about .about-main {
  min-width: 0;
}

.page-about .about-lead {
  max-width: 720px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--gray-text);
  margin: 0 0 22px;
}

.page-about .about-article-grid {
  display: grid;
  gap: 16px;
  margin-bottom: 18px;
}

.page-about .about-article-grid p {
  margin: 0;
  line-height: 1.9;
}

.page-about .about-quote {
  margin: 20px 0 22px;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: var(--white);
  border-left: 4px solid var(--yellow);
  box-shadow: var(--shadow-soft);
}

.page-about .about-quote p {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.7;
  color: var(--ink);
}

.page-about .about-story-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-story-points li {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--gray-text);
}

.page-about .about-story-points strong {
  display: block;
  margin-bottom: 4px;
  color: var(--orange);
  font-weight: 900;
}

.page-about .about-milestone-index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 36px;
}

.page-about .about-milestone-index a {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 14px;
  background: var(--white);
  transition: border-color var(--speed-fast), background var(--speed-fast), color var(--speed-fast);
}

.page-about .about-milestone-index a:hover {
  border-color: var(--orange);
  background: var(--orange);
  color: var(--paper);
}

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

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 8px;
  bottom: 8px;
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(to bottom, var(--orange), var(--purple), var(--yellow));
  opacity: 0.32;
}

.page-about .about-timeline-item {
  position: relative;
  padding-left: 58px;
  padding-bottom: 30px;
}

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

.page-about .about-timeline-item::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  width: 27px;
  height: 27px;
  border-radius: 50%;
  background: var(--paper);
  border: 4px solid var(--orange);
  box-sizing: border-box;
  z-index: 1;
  transition: background var(--speed-fast), box-shadow var(--speed-fast);
}

.page-about .about-timeline-item:nth-child(2)::before,
.page-about .about-timeline-item:nth-child(5)::before {
  border-color: var(--purple);
}

.page-about .about-timeline-item:nth-child(3)::before {
  border-color: var(--yellow);
}

.page-about .about-timeline-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 22px 22px 18px;
  border-left: 3px solid transparent;
  box-shadow: var(--shadow-soft);
  transition: border-color var(--speed-base), box-shadow var(--speed-base);
}

.page-about .about-timeline-card h3 {
  margin: 8px 0 8px;
}

.page-about .about-timeline-card p {
  margin: 0 0 4px;
  color: var(--gray-text);
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-about .about-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--orange);
  background: rgba(242, 92, 5, 0.12);
  padding: 5px 12px;
  border-radius: 999px;
}

.page-about .about-timeline details {
  margin-top: 10px;
}

.page-about .about-timeline summary {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--orange);
  list-style: none;
}

.page-about .about-timeline summary::-webkit-details-marker {
  display: none;
}

.page-about .about-timeline summary::after {
  content: "+";
  font-weight: 900;
  line-height: 1;
}

.page-about .about-timeline details[open] summary {
  color: var(--purple);
}

.page-about .about-timeline details[open] summary::after {
  content: "−";
  color: var(--purple);
}

.page-about .about-timeline details p {
  margin: 10px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  color: var(--ink);
}

.page-about .about-timeline-item:target .about-timeline-card {
  border-color: var(--orange);
  box-shadow: var(--shadow-float);
}

.page-about .about-timeline-item:target::before {
  background: var(--orange);
  box-shadow: 0 0 0 6px rgba(242, 92, 5, 0.18);
}

.page-about .about-figure {
  margin: 26px 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--muted);
  box-shadow: var(--shadow-soft);
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-about .about-figure figcaption {
  padding: 12px 16px;
  font-size: 0.875rem;
  color: var(--gray-text);
  background: var(--white);
}

.page-about .about-figure--wide {
  margin-top: 30px;
}

.page-about .about-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 28px 0;
}

.page-about .about-stat {
  background: var(--ink);
  border-radius: var(--radius-lg);
  padding: 22px 18px;
  position: relative;
  overflow: hidden;
  min-height: 118px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.page-about .about-stat::after {
  content: "";
  position: absolute;
  right: -22px;
  top: -22px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--grad);
  opacity: 0.48;
}

.page-about .about-stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--yellow);
}

.page-about .about-stat-label {
  display: block;
  margin-top: 8px;
  font-size: 0.875rem;
  color: var(--paper);
  opacity: 0.78;
}

.page-about .about-data-split {
  display: grid;
  gap: 18px;
  margin: 28px 0 20px;
}

.page-about .about-data-block {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px;
}

.page-about .about-data-block h3 {
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}

.page-about .about-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-checklist li {
  background: var(--muted);
  color: var(--ink);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 0.875rem;
  font-weight: 700;
}

.page-about .about-data-note {
  background: rgba(139, 47, 201, 0.1);
  border-left: 4px solid var(--purple);
  border-radius: var(--radius-md) var(--radius-sm) var(--radius-sm) var(--radius-md);
  padding: 16px 18px;
  color: var(--ink);
  font-size: 0.95rem;
  line-height: 1.8;
  margin: 24px 0 0;
}

.page-about .about-local-grid {
  display: grid;
  gap: 22px;
}

.page-about .about-local-copy p {
  margin: 0 0 14px;
  line-height: 1.9;
}

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

.page-about .about-culture-lines {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-culture-lines p {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px;
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--gray-text);
}

.page-about .about-culture-lines strong {
  display: block;
  color: var(--ink);
  margin-bottom: 6px;
  font-weight: 900;
}

.page-about .about-vertical-note {
  display: none;
  writing-mode: vertical-rl;
  margin-top: 16px;
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  color: var(--gray-text);
}

.page-about .about-trust {
  padding-top: 48px;
  padding-bottom: 64px;
}

.page-about .about-trust-panel {
  background: var(--grad);
  border-radius: 30px;
  padding: 38px 26px;
  color: var(--paper);
  position: relative;
  overflow: hidden;
}

.page-about .about-trust-panel::after {
  content: "";
  position: absolute;
  right: -46px;
  bottom: -46px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  border: 26px solid rgba(255, 212, 0, 0.32);
}

.page-about .about-trust-panel h2 {
  color: var(--paper);
}

.page-about .about-trust-panel p {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.page-about .about-trust-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
  position: relative;
  z-index: 1;
}

.page-about .about-trust-actions .btn-primary {
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.page-about .about-trust-actions .btn-outline {
  border-color: var(--paper);
  color: var(--paper);
}

@media (min-width: 720px) {
  .page-about .about-stat-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }

  .page-about .about-data-split {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .page-about .about-local-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

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

  .page-about .about-article-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
}

@media (min-width: 860px) {
  .page-about .about-hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .page-about .about-section {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .page-about .about-layout {
    display: grid;
    grid-template-columns: var(--about-aside-w) minmax(0, 1fr);
    gap: var(--about-gap);
    align-items: start;
  }

  .page-about .about-aside {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    margin-bottom: 0;
    padding-left: 0;
    border-left: 0;
    padding-top: 8px;
  }

  .page-about .about-aside::before {
    content: "";
    display: block;
    width: 56px;
    height: 4px;
    border-radius: 999px;
    background: var(--grad);
    margin-bottom: 14px;
  }

  .page-about .about-vertical-note {
    display: inline-block;
  }

  .page-about .about-trust-panel {
    padding: 52px 48px;
  }
}
