.page-about {
  --ab-paper-line: rgba(255, 255, 255, 0.018);
  --ab-paper-glow: rgba(57, 255, 20, 0.04);
  background-color: var(--deep-blue);
  background-image:
    repeating-linear-gradient(0deg, transparent 0px, transparent 3px, var(--ab-paper-line) 3px, var(--ab-paper-line) 4px),
    radial-gradient(ellipse at 20% 0%, var(--ab-paper-glow), transparent 50%);
  color: var(--text-white);
  font-family: var(--font-body);
  overflow-x: hidden;
}

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

.page-about .ab-breadcrumb-wrap {
  padding-top: 1.25rem;
  padding-bottom: 0.25rem;
}

.page-about .section {
  padding: 4rem 0;
}

.page-about .ab-intro {
  position: relative;
  padding-top: 1.5rem;
  padding-bottom: 4.5rem;
}

.page-about .ab-intro::before {
  content: "";
  position: absolute;
  inset: 1rem 4% 2.5rem 4%;
  background: var(--card-blue);
  opacity: 0.35;
  transform: rotate(-1.6deg);
  border-radius: var(--radius-lg);
  z-index: 0;
  pointer-events: none;
}

.page-about .ab-intro::after {
  content: "";
  position: absolute;
  inset: 2.3rem 6% 3.2rem 6%;
  background: rgba(17, 34, 64, 0.22);
  transform: rotate(1.2deg);
  border-radius: var(--radius-lg);
  z-index: 0;
  pointer-events: none;
}

.page-about .ab-intro__grid {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.page-about .ab-intro__media {
  background: var(--card-blue);
  border: 1px solid var(--border-blue);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  max-width: 100%;
}

.page-about .ab-intro__media img {
  display: block;
  width: 100%;
  border-radius: var(--radius-sm);
}

.page-about .ab-intro__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-about .ab-intro__kicker,
.page-about .ab-section-kicker {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--green-neon);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.page-about .ab-intro__title {
  font-family: var(--font-heading);
  font-size: clamp(1.9rem, 4.5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 1.25rem;
}

.page-about .ab-intro__lead {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-white);
  margin: 0 0 1rem;
  line-height: 1.65;
}

.page-about .ab-intro__body {
  color: var(--text-muted);
  margin: 0 0 1.75rem;
  line-height: 1.7;
}

.page-about .ab-intro__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.75rem;
  width: 100%;
}

.page-about .ab-intro__stat {
  background: var(--card-blue);
  border: 1px solid var(--border-blue);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  flex: 1 1 9rem;
  min-width: 8rem;
}

.page-about .ab-intro__link {
  margin-top: 0.25rem;
}

.page-about .section-head {
  margin-bottom: 2.5rem;
}

.page-about .section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 0.75rem;
}

.page-about .section__desc {
  color: var(--text-muted);
  max-width: 36rem;
  line-height: 1.7;
}

/* ---- Timeline ---- */
.page-about .ab-timeline {
  position: relative;
  padding-left: 2.25rem;
  margin-top: 1rem;
}

.page-about .ab-timeline::before {
  content: "";
  position: absolute;
  left: 0.5rem;
  top: 0.25rem;
  bottom: 0.5rem;
  width: 2px;
  background: linear-gradient(180deg, var(--green-neon) 0%, var(--border-blue) 70%, transparent 100%);
  opacity: 0.55;
}

.page-about .ab-milestone {
  position: relative;
  padding-bottom: 2rem;
}

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

.page-about .ab-milestone::before {
  content: "";
  position: absolute;
  left: -1.75rem;
  top: 0.75rem;
  width: 0.875rem;
  height: 0.875rem;
  border-radius: 50%;
  background: var(--green-neon);
  border: 2px solid var(--deep-blue);
  box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.18), 0 0 12px rgba(57, 255, 20, 0.45);
}

.page-about .ab-milestone__meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
}

.page-about .ab-milestone__year {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green-neon);
  letter-spacing: 0.08em;
}

.page-about .ab-milestone__tag {
  background: rgba(57, 255, 20, 0.08);
  color: var(--green-neon);
  border: 1px solid rgba(57, 255, 20, 0.25);
}

.page-about .ab-milestone__card {
  background: var(--card-blue);
  border: 1px solid var(--border-blue);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  transition: transform 0.35s var(--ease-out), border-color 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}

.page-about .ab-milestone__card:hover,
.page-about .ab-milestone__card:focus-within {
  transform: translateY(-3px);
  border-color: rgba(57, 255, 20, 0.45);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3), 0 0 18px rgba(57, 255, 20, 0.08);
}

.page-about .ab-milestone__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin: 0 0 0.4rem;
  color: var(--text-white);
}

.page-about .ab-milestone__card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.page-about .ab-timeline__media {
  margin-top: 2.75rem;
  border: 1px solid var(--border-blue);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  background: var(--card-blue);
}

.page-about .ab-timeline__media img {
  display: block;
  width: 100%;
  border-radius: var(--radius-sm);
}

/* ---- Honors ---- */
.page-about .ab-honors__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-about .ab-honor {
  position: relative;
  background: var(--card-blue);
  border: 1px solid var(--border-blue);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem 1.75rem;
  text-align: center;
  transition: transform 0.4s var(--ease-out), border-color 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}

.page-about .ab-honor:hover,
.page-about .ab-honor:focus-within {
  transform: rotate(-0.6deg) scale(1.02);
  border-color: rgba(255, 215, 0, 0.4);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.32), 0 0 24px rgba(255, 215, 0, 0.07);
}

.page-about .ab-honor:nth-child(2) {
  transform: rotate(0.7deg);
}

.page-about .ab-honor:nth-child(2):hover {
  transform: rotate(0.1deg) scale(1.02);
}

.page-about .ab-honor__medal {
  width: 6.25rem;
  height: 6.25rem;
  margin: 0 auto 1rem;
}

.page-about .ab-honor__medal svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.35));
  transition: transform 0.4s var(--ease-out);
}

.page-about .ab-honor:hover .ab-honor__medal svg {
  transform: rotateY(180deg) scale(1.05);
}

.page-about .ab-honor__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--text-white);
  margin: 0 0 0.5rem;
}

.page-about .ab-honor__desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.65;
  margin: 0;
}

/* ---- Culture ---- */
.page-about .ab-culture__grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.page-about .ab-culture__text {
  max-width: 34rem;
}

.page-about .ab-culture__stats {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.page-about .ab-culture__stat {
  background: var(--card-blue);
  border: 1px solid var(--border-blue);
  border-left: 3px solid var(--green-neon);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  flex: 1 1 9rem;
}

.page-about .ab-culture__stat span {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--green-neon);
  display: block;
  line-height: 1.1;
}

.page-about .ab-culture__stat p {
  margin: 0.35rem 0 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.page-about .ab-culture__copy {
  color: var(--text-muted);
  line-height: 1.75;
  margin: 0;
}

.page-about .ab-culture__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  flex: 1;
}

.page-about .ab-culture__card {
  background: var(--card-blue);
  border: 1px solid var(--border-blue);
  border-radius: var(--radius-md);
  padding: 1.4rem 1.25rem;
  transition: border-color 0.3s, transform 0.3s var(--ease-out);
}

.page-about .ab-culture__card:hover,
.page-about .ab-culture__card:focus-within {
  border-color: rgba(57, 255, 20, 0.35);
  transform: translateY(-4px);
}

.page-about .ab-culture__icon {
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 0.75rem;
}

.page-about .ab-culture__icon svg {
  width: 100%;
  height: 100%;
}

.page-about .ab-culture__card-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin: 0 0 0.4rem;
  color: var(--text-white);
}

.page-about .ab-culture__card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.page-about .ab-culture__media {
  margin-top: 2rem;
  border: 1px solid var(--border-blue);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  background: var(--card-blue);
}

.page-about .ab-culture__media img {
  display: block;
  width: 100%;
  border-radius: var(--radius-sm);
}

/* ---- Ecosystem ---- */
.page-about .ab-eco__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-about .ab-eco__card {
  background: var(--card-blue);
  border: 1px solid var(--border-blue);
  border-radius: var(--radius-md);
  padding: 1.6rem 1.5rem;
  position: relative;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}

.page-about .ab-eco__card:hover,
.page-about .ab-eco__card:focus-within {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
}

.page-about .ab-eco__card-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--text-white);
  margin: 1.25rem 0 0.5rem;
}

.page-about .ab-eco__card-text {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
  margin: 0 0 1rem;
}

.page-about .ab-eco__more {
  border-top: 1px solid var(--border-blue);
  padding-top: 0.75rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.page-about .ab-eco__more summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--green-neon);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  user-select: none;
  list-style: inside;
}

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

.page-about .ab-eco__more summary::after {
  content: "+";
  margin-left: 0.4rem;
  color: var(--green-neon);
  font-weight: 700;
}

.page-about .ab-eco__more[open] summary::after {
  content: "–";
}

.page-about .ab-eco__more p {
  margin: 0.75rem 0 0;
  line-height: 1.6;
  color: var(--text-muted);
}

.page-about .ab-eco__cta {
  margin-top: 2.5rem;
  background: var(--card-blue);
  border: 1px solid var(--border-blue);
  border-left: 3px solid var(--orange-vibrant);
  border-radius: var(--radius-lg);
  padding: 1.8rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.page-about .ab-eco__cta-text h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin: 0 0 0.4rem;
  color: var(--text-white);
}

.page-about .ab-eco__cta-text p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.65;
}

.page-about .ab-eco__cta-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.page-about .btn {
  font-family: var(--font-heading);
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s, color 0.3s, border-color 0.3s, box-shadow 0.3s, transform 0.2s;
}

.page-about .btn--primary {
  background: var(--green-neon);
  color: var(--deep-blue);
  border: 1px solid var(--green-neon);
}

.page-about .btn--primary:hover,
.page-about .btn--primary:focus {
  background: transparent;
  color: var(--green-neon);
  box-shadow: 0 0 20px rgba(57, 255, 20, 0.25);
}

.page-about .btn--ghost {
  background: transparent;
  color: var(--green-neon);
  border: 1px solid rgba(57, 255, 20, 0.45);
}

.page-about .btn--ghost:hover,
.page-about .btn--ghost:focus {
  background: rgba(57, 255, 20, 0.08);
  border-color: var(--green-neon);
}

.page-about .tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
}

.page-about .badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.65rem;
  border-radius: 2px;
  color: var(--deep-blue);
}

.page-about .badge--accent {
  background: var(--green-neon);
}

.page-about .badge--warn {
  background: var(--orange-vibrant);
}

/* ---- Tablet / Desktop ---- */
@media (min-width: 768px) {
  .page-about .section {
    padding: 5rem 0;
  }

  .page-about .ab-intro__grid {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 3rem;
    align-items: center;
  }

  .page-about .ab-intro__media {
    padding: 1rem;
  }

  .page-about .ab-intro__stats {
    display: flex;
  }

  .page-about .ab-intro__stat {
    flex: 1 1 0;
  }

  .page-about .ab-honors__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .page-about .ab-eco__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .page-about .ab-eco__cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 2rem 2.25rem;
  }

  .page-about .ab-culture__grid {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-about .ab-culture__cards {
    gap: 1.25rem;
  }
}

/* ---- Desktop timeline alternate ---- */
@media (min-width: 1024px) {
  .page-about .ab-timeline {
    padding-left: 0;
    margin-top: 2rem;
  }

  .page-about .ab-timeline::before {
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
  }

  .page-about .ab-milestone {
    width: 50%;
    padding-right: 3.5rem;
    padding-bottom: 2.75rem;
  }

  .page-about .ab-milestone:nth-child(even) {
    margin-left: 50%;
    padding-right: 0;
    padding-left: 3.5rem;
  }

  .page-about .ab-milestone::before {
    left: auto;
    right: -0.625rem;
    top: 0.9rem;
  }

  .page-about .ab-milestone:nth-child(even)::before {
    left: -0.625rem;
    right: auto;
  }

  .page-about .ab-milestone__meta {
    justify-content: flex-end;
    margin-bottom: 0.75rem;
  }

  .page-about .ab-milestone:nth-child(even) .ab-milestone__meta {
    justify-content: flex-start;
  }

  .page-about .ab-milestone__year {
    font-size: 1.25rem;
  }

  .page-about .ab-milestone__card {
    padding: 1.5rem 1.75rem;
  }

  .page-about .ab-culture__media {
    margin-top: 3rem;
  }
}

/* ---- Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  .page-about .ab-milestone__card,
  .page-about .ab-honor,
  .page-about .ab-culture__card,
  .page-about .ab-eco__card {
    transition: none;
    transform: none;
  }

  .page-about .ab-intro::before,
  .page-about .ab-intro::after {
    display: none;
  }
}