.page-about {
  background: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-about .container-narrow {
  max-width: 780px;
}

.page-about .eyebrow {
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.page-about a:focus-visible,
.page-about summary:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 2px;
  border-radius: 4px;
}

.page-about h1,
.page-about h2 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

/* ===== Hero ===== */
.page-about .about-hero {
  position: relative;
  padding-top: calc(var(--section-space) * 0.5);
  padding-bottom: calc(var(--section-space) * 0.85);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-panel) 100%);
  pointer-events: none;
  z-index: -1;
}

.page-about .about-hero .breadcrumb {
  margin-bottom: 1.25rem;
}

.page-about .about-hero-layout {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.page-about .about-hero-copy h1 {
  font-size: clamp(1.9rem, 4.5vw, 3.4rem);
  margin: 0.5rem 0 1rem;
  transform: skewX(-5deg);
}

.page-about .about-lead {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-main);
  margin: 0 0 0.9rem;
}

.page-about .about-lead-sub {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-dim);
  margin: 0 0 1.4rem;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.page-about .about-hero-visual {
  position: relative;
  box-shadow: var(--shadow-hard);
}

.page-about .about-hero-media {
  clip-path: polygon(0 0, calc(100% - 1.6rem) 0, 100% 1.6rem, 100% 100%, 1.6rem 100%, 0 calc(100% - 1.6rem));
  background: var(--bg-panel);
}

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

.page-about .about-hero-badge {
  position: absolute;
  left: -0.75rem;
  bottom: 1.2rem;
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  background: var(--orange);
  color: var(--text-dark);
  padding: 0.65rem 0.95rem;
  transform: rotate(-4deg);
  font-weight: 700;
  box-shadow: 8px 8px 0 rgba(10, 17, 32, 0.85);
  z-index: 2;
}

.page-about .about-hero-badge-num {
  font-family: var(--font-mono);
  font-size: 1.7rem;
  line-height: 1;
}

.page-about .about-hero-badge-unit {
  font-size: 0.9rem;
  font-weight: 700;
}

.page-about .about-hero-badge-label {
  font-size: 0.8rem;
  opacity: 0.85;
}

/* ===== Mission ===== */
.page-about .about-mission {
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
  position: relative;
}

.page-about .about-mission h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.6rem);
  transform: skewX(-5deg);
  margin-bottom: 1.1rem;
}

.page-about .about-mission p {
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.85;
  margin-bottom: 1.6rem;
}

.page-about .about-mission-mark {
  display: flex;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--green);
  letter-spacing: 0.1em;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

.page-about .about-mission-mark span {
  opacity: 0.9;
}

/* ===== Timeline ===== */
.page-about .about-timeline {
  background: var(--bg-deep);
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
  position: relative;
  overflow: hidden;
}

.page-about .about-section-head {
  max-width: 640px;
  margin-bottom: 2.5rem;
}

.page-about .about-section-head h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.6rem);
  transform: skewX(-5deg);
  margin-bottom: 0.75rem;
}

.page-about .about-section-head p:not(.eyebrow) {
  color: var(--text-dim);
  line-height: 1.75;
}

.page-about .about-timeline-track {
  display: none;
}

.page-about .about-timeline-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1.25rem;
}

.page-about .about-timeline-entry {
  background: var(--bg-panel);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.page-about .about-timeline-entry:hover {
  border-color: var(--green);
  box-shadow: var(--shadow-green);
  transform: translateY(-4px);
}

.page-about .about-timeline-entry summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  font-family: var(--font-display);
  font-weight: 700;
}

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

.page-about .about-timeline-entry summary::before {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--green);
  border-radius: 50%;
  flex-shrink: 0;
  margin-right: 0.15rem;
}

.page-about .timeline-year {
  font-family: var(--font-mono);
  color: var(--green);
  font-size: 1.35rem;
  font-weight: 700;
}

.page-about .timeline-body {
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
  margin-top: 0.85rem;
}

.page-about .timeline-body p {
  margin: 0;
  color: var(--text-dim);
  line-height: 1.7;
  font-size: 0.92rem;
}

/* ===== Data capability ===== */
.page-about .about-data {
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.page-about .about-data-head {
  max-width: 640px;
  margin-bottom: 2.5rem;
}

.page-about .about-data-head h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.6rem);
  transform: skewX(-5deg);
  margin-bottom: 0.75rem;
}

.page-about .about-data-head p:not(.eyebrow) {
  color: var(--text-dim);
  line-height: 1.75;
}

.page-about .about-data-grid {
  display: grid;
  gap: 1.25rem;
}

.page-about .about-data-panel {
  position: relative;
  overflow: hidden;
  background: var(--bg-panel);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.6rem;
  box-shadow: var(--shadow-hard);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.page-about .about-data-panel:hover,
.page-about .about-media-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-green);
  border-color: var(--green);
}

.page-about .about-data-panel::before {
  content: "";
  display: block;
  height: 4px;
  width: 42%;
  background: var(--green);
  margin-bottom: 1.1rem;
}

.page-about .about-data-panel--accent {
  background: var(--orange);
  color: var(--text-dark);
  border-color: transparent;
}

.page-about .about-data-panel--accent::before {
  background: var(--text-dark);
}

.page-about .about-data-panel--primary {
  background: var(--green);
  color: var(--text-dark);
  border-color: transparent;
}

.page-about .about-data-panel--primary::before {
  background: var(--text-dark);
}

.page-about .about-data-panel--primary .about-data-label,
.page-about .about-data-panel--primary .about-data-sub,
.page-about .about-data-panel--accent .about-data-label,
.page-about .about-data-panel--accent .about-data-sub {
  color: rgba(10, 17, 32, 0.75);
}

.page-about .about-data-label {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.35rem;
}

.page-about .about-data-value {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  margin: 0.5rem 0;
  letter-spacing: -0.03em;
}

.page-about .about-data-value span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-dim);
}

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

.page-about .about-data-panel--primary .about-data-value span,
.page-about .about-data-panel--accent .about-data-value span {
  color: rgba(10, 17, 32, 0.65);
}

.page-about .about-media-card {
  position: relative;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-panel);
  box-shadow: var(--shadow-hard);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

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

.page-about .about-media-card p {
  margin: 0;
  padding: 1rem 1.1rem;
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.6;
  border-top: 1px solid var(--border);
}

.page-about .about-data-note {
  border: 1px solid var(--border);
  border-left: 4px solid var(--green);
  background: var(--bg-panel);
  padding: 1rem 1.25rem;
  margin-top: 1.5rem;
}

.page-about .about-data-note p {
  margin: 0;
  color: var(--text-dim);
  line-height: 1.7;
  font-size: 0.92rem;
}

/* ===== Honors ===== */
.page-about .about-honors {
  background: var(--bg-deep);
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.page-about .about-honors-layout {
  display: grid;
  gap: 2.5rem;
  align-items: start;
}

.page-about .about-honors-copy h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.6rem);
  transform: skewX(-5deg);
  margin-bottom: 0.75rem;
}

.page-about .about-honors-copy > p {
  color: var(--text-dim);
  line-height: 1.75;
  max-width: 620px;
}

.page-about .about-honor-list {
  list-style: none;
  margin: 1.8rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-about .about-honor-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--bg-panel);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.page-about .about-honor-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-green);
  border-color: var(--green);
}

.page-about .about-honor-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

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

.page-about .about-honor-icon {
  flex-shrink: 0;
  width: 3.5rem;
  height: 3.5rem;
  background: var(--bg-light);
  color: var(--text-dark);
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 4px 4px 0 rgba(57, 255, 20, 0.18);
}

.page-about .about-honors-media .media {
  border: 2px solid var(--border);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

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

.page-about .about-honor-quote {
  border-left: 4px solid var(--green);
  background: var(--bg-panel);
  padding: 1rem 1.25rem;
  margin-top: 1.5rem;
}

.page-about .about-honor-quote p {
  margin: 0;
  color: var(--text-main);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== Nav panel ===== */
.page-about .about-nav {
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.page-about .about-nav-panel {
  background: linear-gradient(135deg, var(--bg-panel) 0%, var(--bg-primary) 100%);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.page-about .about-nav-title {
  font-size: clamp(1.4rem, 2.6vw, 2.1rem);
  transform: skewX(-5deg);
  margin: 0;
}

.page-about .about-nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

/* ===== Tablet ===== */
@media (min-width: 640px) {
  .page-about .about-data-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .about-data-panel--primary,
  .page-about .about-media-card {
    grid-column: span 2;
  }

  .page-about .about-data-panel--team {
    grid-column: span 1;
  }

  .page-about .about-data-panel--accent,
  .page-about .about-data-panel--users {
    grid-column: span 1;
  }

  .page-about .about-honor-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .page-about .about-timeline-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .about-honors-layout {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

/* ===== Desktop ===== */
@media (min-width: 1024px) {
  .page-about .about-hero-layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
  }

  .page-about .about-timeline-list {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }

  .page-about .about-timeline-track {
    display: block;
    position: absolute;
    top: 58%;
    left: 4%;
    right: 4%;
    height: 40px;
    pointer-events: none;
    z-index: 0;
  }

  .page-about .about-timeline-track svg {
    width: 100%;
    height: 100%;
    display: block;
  }

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

  .page-about .about-data-panel--primary {
    grid-column: span 2;
  }

  .page-about .about-data-panel--team {
    grid-column: span 1;
  }

  .page-about .about-data-panel--accent {
    grid-column: span 1;
  }

  .page-about .about-data-panel--users {
    grid-column: span 1;
  }

  .page-about .about-media-card {
    grid-column: span 1;
  }

  .page-about .about-nav-panel {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

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