.page-about {
  --about-neon-soft: rgba(0, 240, 255, 0.14);
  --about-red-soft: rgba(255, 46, 99, 0.18);
  --about-line: rgba(0, 240, 255, 0.26);
  --about-panel: rgba(26, 27, 75, 0.55);
  --about-shadow: 0 18px 60px rgba(7, 10, 28, 0.5);
  background: var(--c-bg);
  color: var(--c-ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-about .content-shell {
  position: relative;
}

.page-about__cover {
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 5vw, 4.5rem) 0 clamp(2rem, 6vw, 5rem);
  border-bottom: 1px solid rgba(0, 240, 255, 0.12);
  background:
    radial-gradient(circle at 88% 18%, rgba(255, 46, 99, 0.2), transparent 34%),
    radial-gradient(circle at 12% 82%, rgba(0, 240, 255, 0.12), transparent 30%),
    var(--grad-a);
}

.page-about__cover::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(115deg, rgba(0, 240, 255, 0.05) 0 1px, transparent 1px 7px);
  mask-image: linear-gradient(90deg, transparent 30%, #000 100%);
}

.page-about__cover::after {
  content: "";
  position: absolute;
  right: -6%;
  top: -4%;
  width: 56%;
  height: 130%;
  pointer-events: none;
  opacity: 0.6;
  background: linear-gradient(135deg, rgba(255, 46, 99, 0.18), rgba(0, 240, 255, 0.05));
  clip-path: polygon(20% 0, 100% 0, 82% 100%, 0 100%);
}

.page-about__cover .content-shell {
  z-index: 1;
}

.page-about .breadcrumb {
  margin-bottom: 1.5rem;
}

.page-about__cover-grid {
  display: grid;
  gap: 2rem;
  align-items: end;
}

.page-about__cover-copy {
  max-width: 50rem;
}

.page-about__cover-copy h1 {
  margin: 1rem 0;
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.page-about__cover-copy .data-chip {
  display: inline-flex;
}

.page-about__lead {
  margin: 0;
  color: var(--c-muted);
  font-size: clamp(0.95rem, 2vw, 1.125rem);
  line-height: 1.85;
  max-width: 46rem;
}

.page-about__cover-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-about__cover-cta .btn {
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.page-about__cover-cta .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.18);
}

.page-about__cover-aside {
  margin-top: 0;
  padding: 1.25rem;
  border-radius: 1.5rem;
  background: rgba(10, 14, 39, 0.55);
  border: 1px solid rgba(0, 240, 255, 0.14);
  backdrop-filter: blur(8px);
}

.page-about__cover-aside-title {
  margin: 0;
  color: var(--c-muted);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}

.page-about__cover-index {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-about__cover-index .data-chip {
  color: var(--c-neon);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.22);
  text-decoration: none;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}

.page-about__cover-index .data-chip:hover {
  color: var(--c-bg-deep);
  background: var(--c-neon);
  transform: translateY(-1px);
}

.page-about__cover-aside-note {
  margin: 1rem 0 0;
  color: var(--c-muted);
  font-size: 0.75rem;
  line-height: 1.7;
}

.page-about__section {
  padding: clamp(2.5rem, 7vw, 5.5rem) 0;
}

.page-about__mission {
  background: linear-gradient(180deg, var(--c-bg) 0%, var(--c-bg-2) 100%);
}

.page-about__section-heading {
  margin-bottom: 1.5rem;
}

.page-about__kicker {
  margin: 0 0 0.6rem;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--c-neon);
  text-transform: uppercase;
}

.page-about__kicker--red {
  color: var(--c-accent);
}

.page-about__section-heading .section-title {
  margin: 0;
}

.page-about__section-heading .section-intro {
  margin: 0.5rem 0 0;
  color: var(--c-muted);
  line-height: 1.7;
  max-width: 42rem;
}

.page-about__mission-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.page-about__mission-card {
  position: relative;
  overflow: hidden;
  padding: 1.5rem;
  border-radius: 1.75rem;
  background: rgba(10, 14, 39, 0.7);
  border: 1px solid rgba(0, 240, 255, 0.12);
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.page-about__mission-card::after {
  content: "";
  position: absolute;
  right: -2rem;
  top: -2rem;
  width: 7rem;
  height: 7rem;
  border-radius: 50%;
  background: var(--about-neon-soft);
  filter: blur(24px);
  opacity: 0;
  transition: opacity 0.2s;
}

.page-about__mission-card:hover {
  border-color: rgba(0, 240, 255, 0.5);
  background: rgba(0, 240, 255, 0.06);
  box-shadow: 0 0 0 1px rgba(0, 240, 255, 0.2), 0 14px 40px rgba(7, 10, 28, 0.5);
}

.page-about__mission-card:hover::after {
  opacity: 1;
}

.page-about__mission-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  margin-bottom: 1rem;
  border-radius: 999px;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--c-neon);
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.2);
  transition: background 0.2s, color 0.2s;
}

.page-about__mission-card:hover .page-about__mission-index {
  background: var(--c-neon);
  color: var(--c-bg-deep);
}

.page-about__mission-card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-heading);
  font-size: 1.25rem;
}

.page-about__mission-card p {
  margin: 0;
  color: var(--c-muted);
  line-height: 1.8;
  font-size: 0.95rem;
}

.page-about__mission-statement {
  margin-top: 2rem;
  padding: 1.25rem 1.5rem;
  border-left: 3px solid var(--c-accent);
  border-radius: 0 1rem 1rem 0;
  background: var(--about-red-soft);
  color: var(--c-ink);
  line-height: 1.8;
}

.page-about__timeline-section {
  position: relative;
  overflow: hidden;
  background: var(--c-bg);
}

.page-about__timeline-section::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 28%;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(255, 46, 99, 0.1), transparent 60%);
  clip-path: polygon(0 0, 65% 0, 20% 100%, 0 100%);
}

.page-about__timeline-section::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 34%;
  pointer-events: none;
  background: repeating-linear-gradient(210deg, rgba(0, 240, 255, 0.05) 0 1px, transparent 1px 8px);
  clip-path: polygon(60% 0, 100% 0, 100% 100%, 15% 100%);
}

.page-about__timeline-section .content-shell {
  z-index: 1;
}

.page-about__timeline {
  position: relative;
  display: grid;
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding-left: 0;
}

.page-about__timeline::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 0.75rem;
  bottom: 0.75rem;
  width: 2px;
  background: linear-gradient(to bottom, var(--c-neon), var(--c-accent), transparent);
}

.page-about__milestone {
  position: relative;
  padding-left: 3rem;
}

.page-about__milestone::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 0.5rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--c-neon);
  box-shadow: 0 0 0 5px rgba(0, 240, 255, 0.12), 0 0 18px rgba(0, 240, 255, 0.45);
  transition: background 0.2s, box-shadow 0.2s;
}

.page-about__milestone-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.page-about__milestone-version {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  background: rgba(0, 240, 255, 0.12);
  border: 1px solid rgba(0, 240, 255, 0.24);
  color: var(--c-neon);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-about__milestone-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(176, 184, 200, 0.25);
  color: var(--c-muted);
  font-size: 0.75rem;
}

.page-about__milestone-content {
  margin-top: 0.75rem;
  padding: 1.25rem;
  border-radius: 1.5rem;
  background: rgba(26, 27, 75, 0.45);
  border: 1px solid rgba(176, 184, 200, 0.12);
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.page-about__milestone-content h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-heading);
  font-size: 1.1rem;
}

.page-about__milestone-content p {
  margin: 0;
  color: var(--c-muted);
  line-height: 1.75;
  font-size: 0.95rem;
}

.page-about__milestone:hover .page-about__milestone-content {
  border-color: rgba(0, 240, 255, 0.5);
  background: rgba(0, 240, 255, 0.06);
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.12);
}

.page-about__milestone:hover::before {
  background: var(--c-accent);
  box-shadow: 0 0 0 5px rgba(255, 46, 99, 0.16), 0 0 18px rgba(255, 46, 99, 0.5);
}

.page-about__figure {
  margin: clamp(1.5rem, 4vw, 3rem) 0 0;
  padding: 0.625rem;
  border-radius: 1.5rem;
  border: 1px solid rgba(0, 240, 255, 0.18);
  background: rgba(26, 27, 75, 0.4);
}

.page-about__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 1rem;
  object-fit: cover;
}

.page-about__figure figcaption {
  margin-top: 0.5rem;
  color: var(--c-muted);
  font-size: 0.75rem;
  text-align: center;
}

.page-about__figure--arch {
  align-self: center;
}

.page-about__data-section {
  background: linear-gradient(180deg, var(--c-bg-2) 0%, var(--c-bg) 100%);
}

.page-about__data-panel {
  position: relative;
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
  padding: clamp(1.25rem, 4vw, 2.5rem);
  border-radius: 2rem;
  border: 1px solid rgba(0, 240, 255, 0.22);
  background:
    linear-gradient(rgba(0, 240, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.045) 1px, transparent 1px),
    linear-gradient(135deg, rgba(26, 27, 75, 0.72), rgba(10, 14, 39, 0.94));
  background-size: 24px 24px, 24px 24px, 100% 100%;
  box-shadow: var(--about-shadow);
}

.page-about__data-panel::after {
  content: "";
  position: absolute;
  right: 1.5rem;
  top: 1.5rem;
  width: 80px;
  height: 4px;
  border-radius: 999px;
  background: var(--grad-b);
  opacity: 0.8;
}

.page-about__stats {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.page-about__stat {
  margin: 0;
  padding: 1rem;
  border-radius: 1.25rem;
  background: rgba(10, 14, 39, 0.6);
  border: 1px solid rgba(0, 240, 255, 0.14);
}

.page-about__stat-label {
  margin-bottom: 0.25rem;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--c-muted);
}

.page-about__stat-value {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 700;
  line-height: 1;
  color: var(--c-ink);
  text-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
}

.page-about__stat-value span {
  color: var(--c-neon);
}

.page-about__data-readout {
  padding: 1.25rem;
  border-left: 3px solid var(--c-accent);
  border-radius: 0 1.25rem 1.25rem 0;
  background: rgba(10, 14, 39, 0.55);
}

.page-about__data-readout h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-heading);
}

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

.page-about__data-readout ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--c-muted);
  line-height: 1.8;
}

.page-about__data-readout li {
  margin-bottom: 0.25rem;
}

.page-about__data-source {
  margin-top: 1rem;
  color: var(--c-muted);
  font-size: 0.75rem;
  line-height: 1.7;
}

.page-about__vision-section {
  background: var(--c-bg);
  border-top: 1px solid rgba(0, 240, 255, 0.12);
}

.page-about__vision-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.page-about__vision-copy > p {
  color: var(--c-muted);
  line-height: 1.8;
  max-width: 38rem;
}

.page-about__vision-list {
  list-style: none;
  margin: 1.5rem 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-about__vision-list li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--c-muted);
  line-height: 1.7;
}

.page-about__vision-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--c-neon);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.5);
}

.page-about__vision-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-about__vision-actions .btn {
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.page-about__vision-actions .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.18);
}

@media (min-width: 760px) {
  .page-about__cover-grid {
    grid-template-columns: 7fr 4fr;
    gap: 2rem;
    align-items: end;
  }

  .page-about__cover-aside {
    margin-top: 0;
  }

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

  .page-about__data-panel {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }

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

  .page-about__vision-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
}