.page-about {
  background: var(--ink);
  color: var(--cream);
  overflow-x: hidden;
}

.page-about .about-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem 2rem;
  padding: 2rem 0 2.5rem;
  align-items: end;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -10%;
  width: 52%;
  height: 130%;
  background: linear-gradient(135deg, rgba(0,229,255,0.12) 0%, rgba(0,229,255,0.02) 42%, rgba(198,245,0,0.1) 90%);
  clip-path: polygon(18% 0, 100% 0, 82% 100%, 0 100%);
  pointer-events: none;
}

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

.page-about .about-hero__main h1 {
  font-size: clamp(1.8rem, 4.2vw, 3.2rem);
  line-height: 1.18;
  letter-spacing: 0.01em;
  margin: 0.75rem 0 1rem;
  max-width: 16em;
}

.page-about .about-hero__deck {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.75;
  max-width: 58ch;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.page-about .about-hero__aside {
  border: 1px solid var(--stone);
  border-left: 3px solid var(--volt);
  background: rgba(28,36,44,0.55);
  padding: 1.25rem 1.25rem 1.25rem 1.5rem;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

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

.page-about .about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
  padding-bottom: 4rem;
  align-items: start;
}

.page-about .about-index {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 1.25rem;
  border: 1px solid var(--stone);
  background: rgba(28,36,44,0.4);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}

.page-about .about-index__nav {
  display: grid;
  gap: 0.75rem;
}

.page-about .about-index__label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--clay);
}

.page-about .about-index__list {
  display: grid;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-index__list a {
  display: block;
  font-weight: 600;
  color: var(--cream);
  border-left: 2px solid var(--stone);
  padding: 0.5rem 0.75rem;
  text-decoration: none;
  transition: color 0.3s, border-color 0.3s, background 0.3s;
}

.page-about .about-index__list a:hover,
.page-about .about-index__list a:focus-visible {
  color: var(--volt);
  border-left-color: var(--volt);
  background: rgba(198,245,0,0.06);
}

.page-about .about-index__note {
  display: grid;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--stone);
}

.page-about .about-index__note p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .about-content {
  min-width: 0;
  display: grid;
  gap: 4.5rem;
}

.page-about .about-section {
  scroll-margin-top: 5rem;
}

.page-about .about-section:target {
  box-shadow: inset 3px 0 0 var(--volt);
}

.page-about .about-section h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin: 0.25rem 0 1rem;
  line-height: 1.25;
}

.page-about .section-marker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--volt);
  border: 1px solid var(--stone);
  padding: 0.25rem 0.6rem;
  margin-bottom: 0.9rem;
}

.page-about .about-mission {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}

.page-about .about-mission__body p {
  line-height: 1.75;
  margin: 0 0 1rem;
  color: var(--muted);
}

.page-about .about-mission__list {
  display: grid;
  gap: 0.75rem;
  list-style: none;
  margin: 1.25rem 0;
  padding: 0;
}

.page-about .about-mission__list li {
  padding: 0.9rem 1rem;
  border-left: 3px solid var(--volt);
  background: rgba(28,36,44,0.55);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.page-about .about-mission__media {
  margin: 0;
}

.page-about .media-frame--about-mission {
  aspect-ratio: 5 / 4;
}

.page-about .about-mission__media img,
.page-about .about-timeline-media img,
.page-about .capability-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-about .about-timeline-section__head {
  margin-bottom: 1.75rem;
}

.page-about .about-timeline-section__lead {
  color: var(--muted);
  max-width: 46ch;
}

.page-about .about-timeline-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
}

.page-about .about-timeline {
  position: relative;
  display: grid;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.25rem;
  bottom: 0.25rem;
  width: 2px;
  background: linear-gradient(to bottom, var(--volt) 0%, var(--cyan) 40%, var(--clay) 100%);
}

.page-about .timeline-item {
  position: relative;
  padding-left: 1.75rem;
}

.page-about .timeline-item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 1.5rem;
  width: 14px;
  height: 14px;
  background: var(--volt);
  border: 3px solid var(--ink);
  transform: rotate(45deg);
  box-shadow: 0 0 0 1px var(--volt);
}

.page-about .timeline-item:nth-child(even)::before {
  background: var(--cyan);
  border-color: var(--ink);
}

.page-about .timeline-item:nth-child(3n)::before {
  background: var(--clay);
  border-color: var(--ink);
}

.page-about .timeline-item__card {
  background: rgba(28,36,44,0.8);
  padding: 1.1rem 1.2rem;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition: transform 0.35s var(--ease-out), border-color 0.35s;
  border-left: 2px solid transparent;
}

.page-about .timeline-item__card:hover {
  transform: translateX(4px);
  border-left-color: var(--volt);
}

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

.page-about .timeline-item__year {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--volt);
}

.page-about .timeline-item__card h3 {
  font-size: 1.1rem;
  margin: 0.25rem 0 0.4rem;
}

.page-about .timeline-item__card p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .about-timeline-media {
  margin: 0;
}

.page-about .media-frame--about-timeline {
  aspect-ratio: 1 / 2;
  max-width: 320px;
}

.page-about .about-qualifications__lead,
.page-about .about-qualifications__foot,
.page-about .about-capabilities__foot {
  color: var(--muted);
  max-width: 62ch;
  line-height: 1.7;
}

.page-about .qualification-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}

.page-about .qualification-card {
  background: linear-gradient(135deg, rgba(28,36,44,0.85), rgba(19,26,33,0.85));
  border: 1px solid var(--stone);
  padding: 1.25rem;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: background 0.3s, border-color 0.3s;
}

.page-about .qualification-card:hover {
  border-color: var(--moss);
  background: linear-gradient(135deg, rgba(28,36,44,1), rgba(38,50,32,0.9));
}

.page-about .qualification-card__glyph {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.8rem;
  line-height: 1;
  color: var(--volt);
  margin-bottom: 0.75rem;
  opacity: 0.8;
}

.page-about .qualification-card h3 {
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
}

.page-about .qualification-card p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .about-capabilities > p {
  color: var(--muted);
  max-width: 62ch;
  line-height: 1.7;
}

.page-about .capability-stats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}

.page-about .capability-stats .stat-card {
  border: 1px solid var(--stone);
  border-left: 3px solid var(--volt);
  background: rgba(28,36,44,0.5);
  padding: 1.1rem 1.25rem;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.page-about .capability-stats .stat-card:nth-child(2n) {
  border-left-color: var(--cyan);
}

.page-about .capability-media {
  margin: 2rem 0;
}

.page-about .media-frame--about-cap {
  aspect-ratio: 16 / 10;
}

.page-about .capability-radar {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  border: 1px solid var(--stone);
  background: linear-gradient(145deg, rgba(28,36,44,0.7), rgba(11,15,20,0.8));
  padding: 1.5rem;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-about .capability-radar__head p {
  color: var(--muted);
  line-height: 1.7;
}

.page-about .capability-radar__head h3 {
  font-size: 1.25rem;
  margin: 0.5rem 0 0.75rem;
}

.page-about .capability-radar__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  align-items: center;
}

.page-about .about-radar-svg {
  width: 100%;
  max-width: 340px;
  margin: 0 auto;
  display: block;
}

.page-about .about-radar-svg .radar-ring {
  fill: none;
  stroke: var(--stone);
  stroke-width: 1.5;
}

.page-about .about-radar-svg .radar-axis {
  stroke: var(--stone);
  stroke-width: 1;
}

.page-about .about-radar-svg .radar-data {
  fill: rgba(198,245,0,0.16);
  stroke: var(--volt);
  stroke-width: 2;
  stroke-linejoin: round;
}

.page-about .about-radar-svg .radar-center {
  fill: var(--volt);
}

.page-about .radar-legend {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .radar-legend__item {
  border-left: 2px solid var(--stone);
  padding-left: 0.75rem;
}

.page-about .radar-legend__item dt {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  font-size: 0.9rem;
  color: var(--cream);
}

.page-about .radar-legend__item dd {
  margin: 0.25rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--volt);
}

.page-about .radar-legend__dot {
  width: 8px;
  height: 8px;
  transform: rotate(45deg);
  display: inline-block;
  flex: 0 0 auto;
}

.page-about .radar-legend__dot--volt { background: var(--volt); }
.page-about .radar-legend__dot--cyan { background: var(--cyan); }
.page-about .radar-legend__dot--alarm { background: var(--alarm); }
.page-about .radar-legend__dot--moss { background: var(--moss); }
.page-about .radar-legend__dot--clay { background: var(--clay); }

@media (min-width: 720px) {
  .page-about .about-hero {
    grid-template-columns: 1.5fr 0.5fr;
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }

  .page-about .about-mission {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }

  .page-about .about-mission__media {
    margin-top: 2rem;
  }

  .page-about .qualification-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .capability-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .page-about .about-timeline::before {
    left: 50%;
    transform: translateX(-1px);
  }

  .page-about .timeline-item {
    padding-left: 0;
    padding-right: 1.75rem;
    grid-column: 1;
    width: 100%;
  }

  .page-about .timeline-item:nth-child(even) {
    grid-column: 2;
    padding-left: 1.75rem;
    padding-right: 0;
  }

  .page-about .timeline-item::before {
    left: auto;
    right: -7px;
  }

  .page-about .timeline-item:nth-child(even)::before {
    right: auto;
    left: -7px;
  }

  .page-about .timeline-item__card:hover {
    transform: translateX(-4px);
  }

  .page-about .timeline-item:nth-child(even) .timeline-item__card:hover {
    transform: translateX(4px);
  }

  .page-about .capability-radar__body {
    grid-template-columns: 0.9fr 1.1fr;
  }
}

@media (min-width: 960px) {
  .page-about .about-layout {
    grid-template-columns: 17rem minmax(0, 1fr);
    gap: 3rem;
  }

  .page-about .about-index {
    position: sticky;
    top: 5.5rem;
  }

  .page-about .about-timeline-wrap {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 2rem;
    align-items: start;
  }

  .page-about .about-timeline-media {
    position: sticky;
    top: 5.5rem;
  }

  .page-about .about-content {
    gap: 6rem;
  }

  .page-about .radar-legend {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}