.page-about {
  --about-ember: #FF6E40;
  --about-neon: #00E676;
  --about-violet: #B388FF;
  position: relative;
  color: var(--c-moon);
  background: var(--c-space);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-about .about-section-head {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--c-grid);
}

.page-about .about-section-num {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--c-neon);
  border: 1px solid rgba(0, 230, 118, 0.35);
  padding: 0.25rem 0.5rem;
  transform: skewX(-8deg);
  white-space: nowrap;
}

.page-about .about-section-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-mist);
  margin: 0 0 0.25rem;
}

.page-about .about-section-heading h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
  line-height: 1.25;
  position: relative;
  display: inline-block;
}

.page-about .about-section-heading h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 42px;
  height: 3px;
  background: var(--c-ember);
}

.page-about .about-section-desc {
  color: var(--c-mist);
  font-size: 0.95rem;
  margin: 0.5rem 0 0;
  max-width: 60ch;
}

.page-about .about-hero {
  position: relative;
  padding: clamp(2.5rem, 6vw, 5rem) var(--space) clamp(3rem, 6vw, 5rem);
  background:
    radial-gradient(ellipse at 78% 18%, rgba(179, 136, 255, 0.10), transparent 55%),
    radial-gradient(ellipse at 15% 85%, rgba(0, 230, 118, 0.06), transparent 50%),
    var(--c-space);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(46, 74, 102, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 74, 102, 0.14) 1px, transparent 1px);
  background-size: 32px 32px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.2) 85%, transparent);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.2) 85%, transparent);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--c-neon) 0%, var(--c-violet) 45%, var(--c-ember) 100%);
  opacity: 0.8;
}

.page-about .about-hero-grid {
  position: relative;
  z-index: 1;
  max-width: var(--container-w);
  margin: 0 auto;
  display: grid;
  gap: 2rem;
}

.page-about .about-hero-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-about .about-hero-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}

.page-about .about-hero-code {
  color: var(--c-neon);
  background: rgba(0, 230, 118, 0.1);
  border-left: 2px solid var(--c-neon);
  padding: 0.2rem 0.6rem;
  text-transform: uppercase;
}

.page-about .about-hero-route {
  color: var(--c-mist);
}

.page-about .about-hero h1 {
  font-size: clamp(1.75rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.015em;
  margin: 0;
  padding-left: 0.75rem;
  border-left: 4px solid var(--c-ember);
  word-break: break-word;
}

.page-about .about-hero-lead {
  color: var(--c-mist);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 62ch;
  margin: 0;
}

.page-about .about-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-about .about-hero-entry {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--c-violet);
  border: 1px dashed rgba(179, 136, 255, 0.35);
  background: rgba(179, 136, 255, 0.06);
  padding: 0.5rem 0.75rem;
  margin: 0;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.page-about .about-hero-visual {
  position: relative;
}

.page-about .about-hero-visual::before {
  content: "";
  position: absolute;
  inset: 12px -12px -12px 12px;
  border: 1px solid var(--c-grid);
  z-index: -1;
}

.page-about .about-hero-visual img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  border: 1px solid var(--c-grid);
  filter: saturate(1.1) contrast(1.05);
}

.page-about .about-milestones {
  position: relative;
  padding: clamp(3rem, 6vw, 5rem) var(--space);
  background: var(--c-panel);
  border-top: 1px solid var(--c-grid);
  border-bottom: 1px solid var(--c-grid);
}

.page-about .about-milestone-wrap {
  max-width: var(--container-w);
  margin: 0 auto;
  display: grid;
  gap: 2rem;
}

.page-about .about-milestone-visual img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  border: 1px solid var(--c-grid);
}

.page-about .about-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 22px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-ember), var(--c-neon));
  opacity: 0.6;
}

.page-about .about-timeline-item {
  position: relative;
  padding-left: 56px;
}

.page-about .about-timeline-node {
  position: absolute;
  left: 0;
  top: 4px;
  width: 46px;
  height: 46px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--c-space);
  border: 2px solid var(--c-ember);
  transform: rotate(45deg);
  z-index: 1;
}

.page-about .about-node-index,
.page-about .about-node-label {
  transform: rotate(-45deg);
  font-family: var(--font-mono);
  line-height: 1.2;
}

.page-about .about-node-index {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--c-ember);
}

.page-about .about-node-label {
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  color: var(--c-mist);
  text-transform: uppercase;
}

.page-about .about-timeline-card {
  background: var(--c-space);
  border: 1px solid var(--c-grid);
  border-left: 3px solid var(--c-ember);
  padding: 0.875rem 1rem;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-about .about-timeline-card:hover {
  border-color: rgba(255, 110, 64, 0.45);
  transform: translateX(4px);
}

.page-about .about-timeline-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.375rem;
  color: var(--c-moon);
}

.page-about .about-timeline-card p {
  font-size: 0.875rem;
  color: var(--c-mist);
  margin: 0;
  line-height: 1.7;
}

.page-about .about-capability {
  position: relative;
  padding: clamp(3rem, 6vw, 5rem) var(--space);
  background:
    linear-gradient(180deg, transparent, rgba(0, 230, 118, 0.03) 50%, transparent),
    var(--c-space);
}

.page-about .about-capability::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 230, 118, 0.4), transparent);
}

.page-about .about-capability-grid {
  max-width: var(--container-w);
  margin: 0 auto;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.page-about .about-cap-card {
  position: relative;
  background: var(--c-panel);
  border: 1px solid var(--c-grid);
  padding: 1.25rem;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  overflow: hidden;
}

.page-about .about-cap-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 3px;
  background: var(--c-neon);
  transition: width 0.3s ease;
}

.page-about .about-cap-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 230, 118, 0.45);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.page-about .about-cap-card:hover::after {
  width: 100%;
}

.page-about .about-cap-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--c-neon);
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.page-about .about-cap-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.375rem;
  color: var(--c-moon);
}

.page-about .about-cap-card p {
  font-size: 0.85rem;
  color: var(--c-mist);
  margin: 0;
  line-height: 1.65;
}

.page-about .about-capability-note {
  max-width: var(--container-w);
  margin: 1.5rem auto 0;
  border-left: 3px solid var(--c-violet);
  background: rgba(179, 136, 255, 0.07);
  padding: 0.875rem 1rem;
  font-size: 0.9rem;
  color: var(--c-mist);
}

.page-about .about-capability-note p {
  margin: 0;
}

.page-about .about-capability-note strong {
  color: var(--c-violet);
  font-family: var(--font-mono);
  font-weight: 600;
}

.page-about .about-architecture {
  position: relative;
  padding: clamp(3rem, 6vw, 5rem) var(--space);
  background: var(--c-panel);
  border-top: 1px solid var(--c-grid);
  border-bottom: 1px solid var(--c-grid);
}

.page-about .about-arch-grid {
  max-width: var(--container-w);
  margin: 0 auto;
  display: grid;
  gap: 2rem;
}

.page-about .about-arch-layer {
  position: relative;
  border: 1px solid var(--c-grid);
  background: rgba(10, 31, 51, 0.7);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.page-about .about-arch-layer:last-child {
  margin-bottom: 0;
}

.page-about .about-layer-index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--c-ember);
  border: 1px solid rgba(255, 110, 64, 0.35);
  padding: 0.1rem 0.45rem;
  margin-bottom: 0.5rem;
  transform: skewX(-8deg);
}

.page-about .about-arch-layer h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 0.375rem;
  color: var(--c-moon);
}

.page-about .about-arch-layer p {
  font-size: 0.875rem;
  color: var(--c-mist);
  margin: 0;
  line-height: 1.7;
}

.page-about .about-arch-visual img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  border: 1px solid var(--c-grid);
}

.page-about .about-promise {
  position: relative;
  padding: clamp(3rem, 6vw, 5rem) var(--space);
  background:
    radial-gradient(ellipse at 50% 100%, rgba(0, 230, 118, 0.05), transparent 60%),
    var(--c-space);
}

.page-about .about-promise-card {
  max-width: var(--container-w);
  margin: 0 auto;
  border: 1px solid var(--c-grid);
  background: rgba(19, 44, 69, 0.5);
  padding: clamp(1.5rem, 4vw, 3rem);
}

.page-about .about-promise-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

.page-about .about-promise-item {
  position: relative;
  padding: 1rem 1rem 1rem 3.5rem;
  border-left: 2px solid var(--c-neon);
  background: rgba(10, 31, 51, 0.5);
}

.page-about .about-promise-icon {
  position: absolute;
  left: 1rem;
  top: 1.1rem;
  width: 8px;
  height: 8px;
  background: var(--c-neon);
  transform: rotate(45deg);
  box-shadow: 0 0 8px rgba(0, 230, 118, 0.5);
}

.page-about .about-promise-item h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
  color: var(--c-moon);
}

.page-about .about-promise-item p {
  font-size: 0.86rem;
  color: var(--c-mist);
  margin: 0;
  line-height: 1.65;
}

.page-about .about-promise-note {
  margin: 1.75rem 0 0;
  padding: 0.875rem 1rem;
  border: 1px dashed rgba(255, 110, 64, 0.4);
  background: rgba(255, 110, 64, 0.06);
  font-size: 0.9rem;
  color: var(--c-moon);
  text-align: center;
}

.page-about .about-promise-note a {
  color: var(--c-neon);
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (min-width: 960px) {
  .page-about .about-hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 3rem;
  }

  .page-about .about-milestone-wrap {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3rem;
    align-items: start;
  }

  .page-about .about-capability-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }

  .page-about .about-arch-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
  }

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