.page-about {
  position: relative;
  background-color: var(--bg-primary);
  color: var(--text-main);
}

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

.page-about .page-breadcrumb {
  padding-top: 1.5rem;
}

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8125rem;
}

.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus-visible {
  color: var(--accent);
}

.page-about .breadcrumb a[aria-current="page"] {
  color: var(--text-main);
}

.page-about .breadcrumb li + li::before {
  content: "/";
  color: var(--line);
  margin-right: 0.5rem;
}

.page-about .story-hero {
  position: relative;
  padding-top: clamp(2.5rem, 7vw, 5rem);
  padding-bottom: clamp(2.5rem, 6vw, 4rem);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-about .story-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(45deg, transparent 0 44px, rgba(42, 59, 92, 0.28) 44px 45px),
    repeating-linear-gradient(-45deg, transparent 0 44px, rgba(42, 59, 92, 0.28) 44px 45px);
  pointer-events: none;
}

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

.page-about .story-hero__kicker {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-data);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.page-about .story-hero__glyph {
  color: var(--accent);
  flex: none;
}

.page-about .story-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 7vw, 4.5rem);
  font-weight: 900;
  font-style: oblique;
  transform: skewX(-3deg);
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--text-main);
  margin: 0 0 1.25rem;
  max-width: 10em;
}

.page-about .story-hero__lead {
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 34em;
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
  margin: 0;
}

.page-about .story-directory {
  margin-top: 2.5rem;
  display: grid;
  gap: 0.5rem;
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
}

@media (min-width: 700px) {
  .page-about .story-directory {
    grid-template-columns: repeat(5, 1fr);
    gap: 0.75rem;
  }
}

.page-about .story-directory a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 0;
  color: var(--text-main);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  font-size: 0.875rem;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-about .story-directory a:hover,
.page-about .story-directory a:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

.page-about .story-directory__index {
  font-family: var(--font-data);
  color: var(--accent);
  font-size: 0.6875rem;
}

.page-about .story-directory__arrow {
  margin-left: auto;
  color: var(--text-muted);
}

.page-about .story-section {
  position: relative;
  padding-top: clamp(3rem, 6vw, 5rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.page-about .story-section + .story-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent) 0%, transparent 70%);
  transform: skewY(-0.8deg);
  transform-origin: left;
}

.page-about .story-section__head {
  margin-bottom: 2.5rem;
  max-width: 48rem;
}

.page-about .story-coord {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 0.6875rem;
  color: var(--text-muted);
  border: 1px solid var(--line);
  padding: 0.3rem 0.55rem;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
}

.page-about .story-section__head h2 {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 900;
  font-style: oblique;
  transform: skewX(-3deg);
  margin: 0.75rem 0 0.75rem;
  color: var(--text-main);
}

.page-about .milestones {
  list-style: none;
  margin: 0;
  padding: 0 0 1rem 0;
  border-left: 1px solid var(--line);
}

.page-about .milestone {
  position: relative;
  padding: 0 0 2.5rem 2rem;
}

.page-about .milestone:last-child {
  padding-bottom: 0.5rem;
}

.page-about .milestone__node {
  position: absolute;
  left: -8px;
  top: 4px;
  z-index: 1;
}

.page-about .milestone:last-child .milestone__node rect {
  stroke: var(--amber);
}

.page-about .milestone:last-child .milestone__node circle {
  fill: var(--amber);
}

.page-about .milestone__mark {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.4rem;
}

.page-about .milestone__year {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent);
}

.page-about .milestone__tag {
  font-family: var(--font-data);
  font-size: 0.625rem;
  color: var(--text-muted);
  border: 1px solid var(--line);
  padding: 0.15rem 0.4rem;
}

.page-about .milestone__title {
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 0 0 0.35rem;
}

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

.page-about .milestone__detail {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.page-about .milestone__detail summary {
  cursor: pointer;
  font-family: var(--font-data);
  font-size: 0.6875rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  user-select: none;
}

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

.page-about .milestone__detail summary::before {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 1.25rem;
  height: 1.25rem;
  border: 1px solid var(--line);
  color: var(--accent);
  font-size: 0.8125rem;
}

.page-about .milestone__detail[open] summary::before {
  content: "–";
}

.page-about .milestone__detail p {
  margin: 0.75rem 0 0;
  background: var(--bg-surface);
  border-left: 2px solid var(--accent);
  padding: 0.9rem 1rem;
  line-height: 1.7;
}

.page-about .story-figure {
  margin: 2.5rem 0 0;
  border: 1px solid var(--line);
  padding: 0.75rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent),
    var(--bg-surface);
  box-shadow: var(--shadow-card);
}

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

.page-about .story-figure figcaption {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  color: var(--text-muted);
  padding-top: 0.6rem;
}

.page-about .story-figure--compact {
  margin-top: 0;
}

.page-about .cert-grid {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 700px) {
  .page-about .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.page-about .cert-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  padding: 1.5rem;
  transition: transform 0.25s var(--ease-out), border-color 0.25s ease;
}

.page-about .cert-card:hover,
.page-about .cert-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.page-about .cert-card__badge {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  color: var(--accent);
  margin-bottom: 1rem;
  background: rgba(0, 255, 163, 0.06);
}

.page-about .cert-card h3 {
  font-size: 1rem;
  color: var(--text-main);
  margin: 0 0 0.5rem;
}

.page-about .cert-card p {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
  margin: 0;
}

.page-about .cert-card__note {
  display: block;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--line);
  font-family: var(--font-data);
  font-size: 0.6875rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.page-about .cert-card:hover .cert-card__note,
.page-about .cert-card:focus-within .cert-card__note {
  color: var(--accent);
}

.page-about .cert-meta {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  color: var(--text-muted);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  padding: 1rem 1.25rem;
  margin: 0 0 2rem;
}

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

@media (min-width: 900px) {
  .page-about .eco-layout {
    grid-template-columns: 1fr 1.6fr;
    align-items: start;
  }
}

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

.page-about .eco-list li {
  display: flex;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}

.page-about .eco-list__num {
  font-family: var(--font-data);
  color: var(--accent);
  font-size: 0.75rem;
  line-height: 1.6;
}

.page-about .eco-list h3 {
  font-size: 1rem;
  color: var(--text-main);
  margin: 0 0 0.25rem;
}

.page-about .eco-list p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 0;
}

.page-about .eco-note {
  margin-top: 1.5rem;
  font-family: var(--font-data);
  font-size: 0.8125rem;
  color: var(--text-main);
  background: linear-gradient(90deg, rgba(0, 255, 163, 0.08), transparent);
  border-left: 3px solid var(--accent);
  padding: 0.9rem 1rem;
}

.page-about .honors-wrap {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 640px) {
  .page-about .honors-wrap {
    grid-template-columns: repeat(2, 1fr);
  }
}

.page-about .honor-card {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  padding: 1.5rem;
}

.page-about .honor-card h3 {
  font-size: 1.125rem;
  color: var(--text-main);
  margin: 0.75rem 0 0.5rem;
}

.page-about .honor-card p {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
  margin: 0;
}

.page-about .honor-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

@media (min-width: 640px) {
  .page-about .honor-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

.page-about .honor-stat {
  padding: 1.5rem 1rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 179, 0, 0.03);
}

.page-about .honor-stat__num {
  display: block;
  font-family: var(--font-data);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--amber);
  line-height: 1.1;
}

.page-about .honor-stat__unit {
  font-size: 0.6em;
  margin-left: 0.1rem;
}

.page-about .honor-stat__label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
}

.page-about .story-section--values {
  background:
    repeating-linear-gradient(135deg, transparent 0 24px, rgba(0, 255, 163, 0.03) 24px 25px),
    var(--bg-primary);
}

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

@media (min-width: 900px) {
  .page-about .values-panel {
    grid-template-columns: 1.4fr 1fr;
  }
}

.page-about .values-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .values-list li {
  position: relative;
  padding: 1.1rem 0 1.1rem 1.75rem;
  border-bottom: 1px solid var(--line);
  color: var(--text-main);
  font-size: 0.925rem;
  line-height: 1.65;
}

.page-about .values-list li:last-child {
  border-bottom: none;
}

.page-about .values-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.55rem;
  width: 8px;
  height: 3px;
  background: var(--accent);
}

.page-about .values-list strong {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--accent);
  border: 1px solid var(--line);
  padding: 0.15rem 0.4rem;
  margin-right: 0.6rem;
  vertical-align: 0.1em;
}

.page-about .values-contact {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  align-self: start;
}

.page-about .values-contact__label {
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin: 0 0 0.75rem;
}

.page-about .values-contact__phone,
.page-about .values-contact__mail {
  display: block;
  font-family: var(--font-data);
  font-weight: 700;
  color: var(--text-main);
  margin: 0.3rem 0;
}

.page-about .values-contact__note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0.9rem 0 1.25rem;
  border-left: 2px solid var(--amber);
  padding-left: 0.75rem;
}

.page-about .values-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-about .values-contact__actions .btn-primary,
.page-about .values-contact__actions .btn-ghost {
  text-decoration: none;
}

.page-about .values-more {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  font-size: 0.85rem;
}

.page-about .values-more a {
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.2rem;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-about .values-more a:hover,
.page-about .values-more a:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}