.page-about {
  --about-text: #243a3f;
  background: var(--dn-paper);
  color: var(--about-text);
}

.page-about .about-container {
  width: min(100% - 2rem, 1280px);
  margin-inline: auto;
  padding-block: clamp(1.5rem, 5vw, 4rem);
}

.page-about .about-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--dn-indigo);
  margin-bottom: 2rem;
}
.page-about .about-breadcrumb a {
  color: var(--dn-teal);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.page-about .about-breadcrumb a:hover {
  border-bottom-color: var(--dn-teal);
}
.page-about .about-breadcrumb-sep {
  color: var(--dn-winter);
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: var(--dn-teal);
  color: var(--dn-cream);
  padding: clamp(1.5rem, 4vw, 2.75rem);
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}
.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 88% 15%, rgba(123, 201, 111, 0.22), transparent 42%),
    radial-gradient(circle at 72% 80%, rgba(74, 144, 217, 0.18), transparent 48%),
    radial-gradient(circle at 98% 70%, rgba(232, 179, 75, 0.16), transparent 38%);
}
.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 0.375rem;
  background: linear-gradient(90deg, var(--dn-spring), var(--dn-summer), var(--dn-autumn), var(--dn-winter));
}
.page-about .about-hero-copy {
  position: relative;
}
.page-about .about-hero-tag {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--dn-cream);
  background: rgba(245, 240, 230, 0.14);
  border: 1px solid rgba(245, 240, 230, 0.32);
}
.page-about .about-hero h1 {
  font-family: var(--dn-font-display);
  font-weight: 900;
  font-size: clamp(1.75rem, 5vw, 3rem);
  line-height: 1.18;
  color: var(--dn-cream);
  margin: 1rem 0 0.75rem;
}
.page-about .about-hero-desc {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(0.925rem, 1.5vw, 1.075rem);
  line-height: 1.8;
  color: rgba(245, 240, 230, 0.9);
}
.page-about .about-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem 1rem;
  margin: 1.75rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(245, 240, 230, 0.22);
}
.page-about .about-hero-stats dt {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--dn-autumn);
}
.page-about .about-hero-stats dd {
  font-family: var(--dn-font-display);
  font-size: clamp(1.125rem, 2.4vw, 1.75rem);
  font-weight: 800;
  color: var(--dn-cream);
  margin: 0.25rem 0 0;
}

.page-about .about-hero-emblem {
  display: none;
}
.page-about .emblem-ring {
  position: relative;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  border: 2px dashed rgba(245, 240, 230, 0.5);
  background: conic-gradient(
    from 0deg,
    var(--dn-spring) 0deg 90deg,
    var(--dn-summer) 90deg 180deg,
    var(--dn-autumn) 180deg 270deg,
    var(--dn-winter) 270deg 360deg
  );
  animation: about-emblem-spin 32s linear infinite;
}
.page-about .emblem-ring::before {
  content: "";
  position: absolute;
  inset: 2rem;
  border-radius: 50%;
  background: var(--dn-teal);
  border: 1px solid rgba(245, 240, 230, 0.4);
  box-shadow: inset 0 0 0 1rem rgba(15, 76, 92, 0.6);
}
.page-about .emblem-dot {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--dn-teal);
}
.page-about .emblem-dot--spring {
  top: -5px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--dn-spring);
}
.page-about .emblem-dot--summer {
  top: 50%;
  right: -5px;
  transform: translateY(-50%);
  background: var(--dn-summer);
}
.page-about .emblem-dot--autumn {
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--dn-autumn);
}
.page-about .emblem-dot--winter {
  top: 50%;
  left: -5px;
  transform: translateY(-50%);
  background: var(--dn-winter);
}

.page-about .about-layout {
  display: grid;
  gap: 2rem;
}
.page-about .about-index {
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-about .about-index ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.5rem;
  width: max-content;
}
.page-about .about-index a {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--dn-winter);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dn-teal);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.3s var(--dn-ease), color 0.3s var(--dn-ease);
}
.page-about .about-index a:hover {
  background: rgba(15, 76, 92, 0.08);
}
.page-about .about-index-title,
.page-about .about-index-note {
  display: none;
}

.page-about .about-content {
  display: grid;
  gap: clamp(3rem, 7vw, 5.5rem);
}
.page-about .about-section {
  scroll-margin-top: 1.5rem;
}
.page-about .section-heading {
  display: flex;
  align-items: baseline;
  gap: 0.875rem;
  margin-bottom: 1.75rem;
}
.page-about .section-heading .section-tag {
  background: var(--dn-wine);
  color: var(--dn-cream);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.22rem 0.6rem;
  border-radius: 2px;
}
.page-about .section-heading h2 {
  font-family: var(--dn-font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  color: var(--dn-teal);
  margin: 0;
}

.page-about .mission-grid {
  display: grid;
  gap: 1.75rem;
}
.page-about .mission-copy p {
  line-height: 1.85;
  margin: 0 0 1rem;
}
.page-about .mission-copy p:last-of-type {
  margin-bottom: 0;
}
.page-about .mission-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}
.page-about .mission-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--dn-teal);
}
.page-about .mission-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 0.55rem;
  height: 0.55rem;
  background: linear-gradient(135deg, var(--dn-spring), var(--dn-autumn));
  border-radius: 1px;
}
.page-about .mission-figure {
  margin: 0;
  padding: 0.7rem;
  background: var(--dn-paper);
  border: 1px solid var(--dn-winter);
  box-shadow: 8px 8px 0 rgba(15, 76, 92, 0.1);
}
.page-about .mission-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-about .mission-figure figcaption {
  margin-top: 0.6rem;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--dn-indigo);
  letter-spacing: 0.03em;
}

.page-about .about-milestones {
  padding: clamp(1.25rem, 3.5vw, 2.5rem);
  background:
    linear-gradient(180deg, rgba(15, 76, 92, 0.05), transparent 8rem),
    var(--dn-paper);
  border-top: 1px solid var(--dn-winter);
  border-bottom: 1px solid var(--dn-winter);
}
.page-about .milestone-texture {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.4;
  margin-bottom: 2rem;
  border: 1px solid rgba(192, 197, 206, 0.45);
  background: rgba(192, 197, 206, 0.1);
}
.page-about .timeline {
  position: relative;
  display: grid;
  gap: 2.25rem;
  margin-left: 0.375rem;
}
.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 2px;
  background: linear-gradient(180deg, var(--dn-wine), var(--dn-indigo), var(--dn-winter));
}
.page-about .timeline-item {
  position: relative;
  padding-left: 1.6rem;
}
.page-about .timeline-item::before {
  content: "";
  position: absolute;
  left: -0.375rem;
  top: 0.45rem;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: var(--dn-autumn);
  box-shadow: 0 0 0 3px rgba(232, 179, 75, 0.22);
  transition: background 0.4s var(--dn-ease), box-shadow 0.4s var(--dn-ease);
}
.page-about .timeline-item[data-reveal="visible"]::before {
  background: var(--dn-wine);
  box-shadow: 0 0 0 6px rgba(125, 46, 58, 0.16);
}
.page-about .timeline-year {
  display: inline-block;
  font-family: var(--dn-font-display);
  font-weight: 900;
  font-size: 1.15rem;
  letter-spacing: 0.05em;
  color: var(--dn-wine);
  margin-bottom: 0.45rem;
  transition: color 0.4s var(--dn-ease);
}
.page-about .timeline-item[data-reveal="visible"] .timeline-year {
  color: var(--dn-teal);
}
.page-about .timeline-card {
  padding: 1.1rem 1.25rem;
}
.page-about .timeline-card h3 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--dn-teal);
  margin: 0 0 0.4rem;
}
.page-about .timeline-card p {
  font-size: 0.9rem;
  line-height: 1.75;
  margin: 0;
}

.page-about .cert-layout {
  display: grid;
  gap: 1.5rem;
}
.page-about .cert-list {
  display: grid;
  gap: 1rem;
}
.page-about .cert-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
}
.page-about .cert-icon {
  flex: 0 0 auto;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--dn-teal), var(--dn-indigo));
  color: var(--dn-cream);
  display: grid;
  place-items: center;
}
.page-about .cert-icon svg {
  width: 1.4rem;
  height: 1.4rem;
}
.page-about .cert-text h3 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--dn-teal);
  margin: 0 0 0.3rem;
}
.page-about .cert-text p {
  font-size: 0.875rem;
  line-height: 1.7;
  margin: 0;
}
.page-about .cert-shield {
  width: 100%;
  max-width: 280px;
  height: auto;
  object-fit: contain;
  justify-self: center;
  padding: 0.5rem;
  background: var(--dn-paper);
  border: 1px solid var(--dn-winter);
  box-shadow: 6px 6px 0 rgba(123, 201, 111, 0.18);
}

.page-about .team-grid {
  display: grid;
  gap: 1.75rem;
}
.page-about .team-copy p {
  line-height: 1.85;
  margin: 0 0 1rem;
}
.page-about .team-copy p:last-child {
  margin-bottom: 0;
}
.page-about .team-facts {
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--dn-teal);
}
.page-about .team-facts div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--dn-winter);
}
.page-about .team-facts dt {
  font-size: 0.85rem;
  color: var(--dn-indigo);
}
.page-about .team-facts dd {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dn-teal);
  text-align: right;
}

.page-about .about-next {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  background: rgba(232, 179, 75, 0.07);
  border: 1px dashed var(--dn-autumn);
}
.page-about .about-next-label {
  flex-basis: 100%;
  margin: 0 0 0.25rem;
  font-family: var(--dn-font-display);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--dn-wine);
}
.page-about .about-next .btn {
  margin: 0;
}

.page-about .about-breadcrumb a:focus-visible,
.page-about .about-index a:focus-visible,
.page-about .about-next a:focus-visible {
  outline: 2px solid var(--dn-autumn);
  outline-offset: 3px;
}

@keyframes about-emblem-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@media (min-width: 600px) {
  .page-about .about-next-label {
    flex-basis: auto;
    margin: 0 0.75rem 0 0;
  }
}

@media (min-width: 768px) {
  .page-about .mission-grid {
    grid-template-columns: 1fr 1.05fr;
    align-items: center;
  }
  .page-about .cert-layout {
    grid-template-columns: 1fr 260px;
    align-items: start;
  }
  .page-about .team-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2rem 2.5rem;
    align-items: center;
  }
  .page-about .about-hero-emblem {
    display: block;
  }
  .page-about .about-hero-stats {
    grid-column: 1 / -1;
    margin-top: 1rem;
  }
}

@media (min-width: 1024px) {
  .page-about .about-layout {
    grid-template-columns: 15rem 1fr;
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: start;
  }
  .page-about .about-index {
    position: sticky;
    top: 2rem;
    overflow: visible;
    display: block;
    padding-top: 1.25rem;
    border-top: 2px solid var(--dn-teal);
  }
  .page-about .about-index ol {
    display: grid;
    gap: 0.4rem;
    width: auto;
  }
  .page-about .about-index a {
    display: block;
    padding: 0.45rem 0.75rem;
    border: none;
    border-radius: 0;
    border-inline-start: 3px solid transparent;
    white-space: normal;
  }
  .page-about .about-index a:hover {
    background: rgba(232, 179, 75, 0.14);
    border-inline-start-color: var(--dn-autumn);
  }
  .page-about .about-index-title,
  .page-about .about-index-note {
    display: block;
  }
  .page-about .about-index-title {
    margin: 0 0 0.8rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--dn-indigo);
  }
  .page-about .about-index-note {
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: 1px dashed var(--dn-winter);
  }
  .page-about .about-index-note p {
    margin: 0;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--dn-indigo);
  }
  .page-about .about-index-note ul {
    list-style: none;
    margin: 0.7rem 0 0;
    padding: 0;
    display: grid;
    gap: 0.25rem;
  }
  .page-about .about-index-note a {
    display: block;
    padding: 0.3rem 0.5rem;
    font-size: 0.8rem;
    border-inline-start: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .emblem-ring {
    animation: none;
  }
}