.page-about {
  --about-purple-bg: rgba(59, 45, 110, 0.14);
  --about-wine-bg: rgba(110, 44, 58, 0.12);
  --about-cyan-glow: rgba(0, 212, 255, 0.35);
  --about-border-faint: rgba(255, 255, 255, 0.07);
  --about-card-shadow: 0 8px 22px rgba(0, 0, 0, 0.18);

  position: relative;
  z-index: 0;
  padding: 1.75rem 1.25rem 5rem;
  color: var(--color-text);
  overflow: hidden;
}

.page-about::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse at 88% 12%, rgba(59, 45, 110, 0.22), transparent 48%),
    radial-gradient(ellipse at 8% 62%, rgba(11, 60, 73, 0.2), transparent 42%),
    linear-gradient(180deg, #0a0f1e 0%, #0b1a2e 50%, #0a0f1e 100%);
}

.page-about::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 44px 44px;
  background-position: center;
}

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  font-family: var(--font-accent);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

.page-about .breadcrumb .text-link {
  color: var(--color-cyan);
  text-decoration: none;
  transition: color var(--transition);
}

.page-about .breadcrumb .text-link:hover {
  color: var(--color-text);
}

.page-about .breadcrumb__sep {
  opacity: 0.5;
}

.page-about .about-hero {
  position: relative;
  margin-bottom: 4rem;
  padding: 0.5rem 0 2.2rem;
  border-bottom: 1px solid var(--about-border-faint);
}

.page-about .about-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 0.85rem;
  margin-bottom: 1.5rem;
  font-family: var(--font-accent);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

.page-about .about-hero .status-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.15), 0 0 12px rgba(0, 212, 255, 0.45);
}

.page-about .about-hero__title {
  margin: 0;
  font-size: clamp(2.5rem, 6.5vw, 4.6rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.page-about .about-hero__subtitle {
  display: block;
  margin-top: 0.7rem;
  font-size: clamp(1.15rem, 3vw, 2rem);
  letter-spacing: 0.08em;
  color: var(--color-cyan);
  background: linear-gradient(90deg, var(--color-cyan), #6ee7ff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-about .about-hero__lead {
  max-width: 40rem;
  margin: 1.5rem 0 0;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-text-dim);
}

.page-about .about-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.6rem;
}

.page-about .tag-chip {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(0, 212, 255, 0.24);
  background: rgba(0, 212, 255, 0.06);
  color: var(--color-cyan);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
}

.page-about .section {
  position: relative;
  margin-bottom: 5rem;
}

.page-about .section-head {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.7rem 1.1rem;
  margin-bottom: 2.1rem;
  padding-left: 1.1rem;
  border-left: 3px solid var(--color-cyan);
}

.page-about .section-head__meta {
  font-family: var(--font-accent);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-cyan);
}

.page-about .section-head__title {
  margin: 0;
  font-size: clamp(1.65rem, 3.6vw, 2.4rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.page-about .about-note {
  display: none;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  margin-left: auto;
  align-self: stretch;
  padding: 0.3rem 0;
  font-family: var(--font-accent);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  opacity: 0.7;
}

@media (min-width: 560px) {
  .page-about .about-note {
    display: block;
  }
}

.page-about .about-position__grid {
  display: grid;
  gap: 1.8rem;
  align-items: center;
}

.page-about .about-position__content {
  display: grid;
  gap: 1.4rem;
}

.page-about .about-position__text {
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius);
}

.page-about .about-position__text p {
  margin: 0 0 0.9rem;
  color: var(--color-text-dim);
  font-size: 0.96rem;
  line-height: 1.85;
}

.page-about .about-position__text p:last-child {
  margin-bottom: 0;
}

.page-about .about-position__values {
  display: grid;
  gap: 0.85rem;
  margin: 0;
  padding: 0;
}

.page-about .about-position__value {
  margin: 0;
  padding: 1rem 1.2rem;
  border-radius: 10px;
  background: var(--color-panel);
  border: 1px solid var(--about-border-faint);
  border-left: 3px solid var(--color-purple);
}

.page-about .about-position__value:nth-child(2) {
  border-left-color: var(--color-cyan);
}

.page-about .about-position__value:nth-child(3) {
  border-left-color: var(--color-orange);
}

.page-about .about-position__value dt {
  margin-bottom: 0.2rem;
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--color-text);
}

.page-about .about-position__value dd {
  margin: 0;
  color: var(--color-text-dim);
  font-size: 0.9rem;
  line-height: 1.65;
}

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

.page-about .about-position__figure .image-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(59, 45, 110, 0.35);
}

.page-about .about-position__figure figcaption {
  margin-top: 0.7rem;
  font-family: var(--font-accent);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--color-text-dim);
  text-align: right;
}

@media (min-width: 900px) {
  .page-about .about-position__grid {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 3rem;
  }
}

.page-about .about-timeline-section {
  padding: 1.2rem 0 1.8rem;
  border-radius: var(--radius);
  background:
    radial-gradient(ellipse at 84% 16%, rgba(59, 45, 110, 0.16), transparent 52%),
    radial-gradient(ellipse at 12% 82%, rgba(110, 44, 58, 0.1), transparent 45%);
}

.page-about .about-timeline__intro {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2.4rem;
}

.page-about .about-timeline__lead {
  max-width: 44rem;
  margin: 0;
  color: var(--color-text-dim);
  font-size: 1rem;
  line-height: 1.85;
}

.page-about .about-timeline__figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.page-about .about-timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0.4rem 0 0;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 0.4rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-purple) 0%, var(--color-cyan) 55%, var(--color-wine) 100%);
  opacity: 0.75;
}

.page-about .about-timeline__item {
  position: relative;
  margin: 0;
  padding: 0 0 2.1rem 1.95rem;
}

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

.page-about .about-timeline__node {
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 2.2rem;
  height: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-panel);
  border: 2px solid var(--color-cyan);
  color: var(--color-cyan);
  box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.12);
  transition: transform var(--transition), box-shadow var(--transition);
}

.page-about .about-timeline__card {
  padding: 1.3rem 1.3rem 1.4rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  background: rgba(17, 24, 39, 0.72);
  box-shadow: var(--about-card-shadow);
  transition: transform var(--transition), border-color var(--transition);
}

.page-about .about-timeline__item:hover .about-timeline__card {
  transform: translateY(-3px);
  border-color: rgba(0, 212, 255, 0.45);
}

.page-about .about-timeline__item:hover .about-timeline__node {
  transform: scale(1.08);
  box-shadow: 0 0 0 8px rgba(0, 212, 255, 0.14), 0 0 18px rgba(0, 212, 255, 0.35);
}

.page-about .about-timeline__tag {
  display: inline-block;
  margin-bottom: 0.7rem;
  padding: 0.22rem 0.65rem;
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 999px;
  background: rgba(0, 212, 255, 0.05);
  font-family: var(--font-accent);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-cyan);
}

.page-about .about-timeline__card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.14rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.page-about .about-timeline__card p {
  margin: 0;
  color: var(--color-text-dim);
  font-size: 0.9rem;
  line-height: 1.75;
}

@media (min-width: 880px) {
  .page-about .about-timeline__intro {
    grid-template-columns: 1fr 1fr;
    align-items: end;
    gap: 2.5rem;
  }

  .page-about .about-timeline::before {
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(180deg, transparent 0%, var(--color-purple) 14%, var(--color-cyan) 58%, var(--color-wine) 88%, transparent 100%);
  }

  .page-about .about-timeline__item {
    width: 50%;
    padding: 0 3.4rem 3.8rem 0;
  }

  .page-about .about-timeline__item:nth-child(even) {
    margin-left: 50%;
    padding: 0 0 3.8rem 3.4rem;
  }

  .page-about .about-timeline__node {
    left: auto;
    right: -1.15rem;
  }

  .page-about .about-timeline__item:nth-child(even) .about-timeline__node {
    right: auto;
    left: -1.15rem;
  }
}

.page-about .about-columns__lead {
  max-width: 48rem;
  margin: 0 0 2rem;
  color: var(--color-text-dim);
  font-size: 1rem;
  line-height: 1.85;
}

.page-about .about-columns__grid {
  display: grid;
  gap: 1.2rem;
}

@media (min-width: 840px) {
  .page-about .about-columns__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.4rem;
  }
}

.page-about .about-columns__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem 1.3rem 1.3rem;
  border: 1px solid var(--about-border-faint);
  border-top: 3px solid var(--color-purple);
  border-radius: var(--radius);
  background: var(--color-panel);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.page-about .about-columns__card:nth-child(2) {
  border-top-color: var(--color-cyan);
}

.page-about .about-columns__card:nth-child(3) {
  border-top-color: var(--color-orange);
}

.page-about .about-columns__card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
}

.page-about .about-columns__index {
  position: absolute;
  top: 0.85rem;
  right: 1.1rem;
  font-family: var(--font-accent);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--color-text-dim);
}

.page-about .about-columns__body h3 {
  max-width: calc(100% - 3rem);
  margin: 0 0 0.5rem;
  font-size: 1.16rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.page-about .about-columns__body p {
  margin: 0;
  color: var(--color-text-dim);
  font-size: 0.92rem;
  line-height: 1.75;
}

.page-about .about-columns__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 0.7rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

.page-about .about-capabilities {
  padding: 1.8rem 1.4rem 2rem;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(11, 60, 73, 0.35), rgba(17, 24, 39, 0.85) 52%, rgba(59, 45, 110, 0.28));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.page-about .about-capabilities__intro {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.page-about .about-capabilities__intro p {
  max-width: 38rem;
  margin: 0;
  color: var(--color-text-dim);
  font-size: 1rem;
  line-height: 1.85;
}

.page-about .about-capabilities__figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.page-about .about-capabilities__grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 800px) {
  .page-about .about-capabilities__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem;
  }
}

.page-about .about-capabilities__item {
  overflow: hidden;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  background: rgba(17, 24, 39, 0.78);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.page-about .about-capabilities__item:hover {
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.24);
}

.page-about .about-capabilities__item[open] {
  border-color: rgba(0, 212, 255, 0.55);
}

.page-about .about-capabilities__item summary {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.1rem 1.25rem;
  cursor: pointer;
  list-style: none;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--color-text);
  user-select: none;
}

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

.page-about .about-capabilities__item-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.35);
  color: var(--color-cyan);
  font-family: var(--font-accent);
  font-size: 0.75rem;
  font-weight: 500;
}

.page-about .about-capabilities__chevron {
  margin-left: auto;
  color: var(--color-text-dim);
  transition: transform var(--transition);
}

.page-about .about-capabilities__item[open] .about-capabilities__chevron {
  transform: rotate(180deg);
}

.page-about .about-capabilities__item p {
  margin: 0;
  padding: 0 1.3rem 1.3rem 4.2rem;
  color: var(--color-text-dim);
  font-size: 0.92rem;
  line-height: 1.75;
}

.page-about .about-explore {
  margin-top: 4.5rem;
}

.page-about .about-explore__inner {
  padding: 2.4rem 1.5rem;
  border: 1px solid var(--about-border-faint);
  border-radius: var(--radius);
  background: var(--color-panel);
}

.page-about .about-explore h2 {
  margin: 0 0 0.8rem;
  font-size: 1.7rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.page-about .about-explore__lead {
  max-width: 42rem;
  margin: 0 0 2rem;
  color: var(--color-text-dim);
  font-size: 0.98rem;
  line-height: 1.8;
}

.page-about .about-explore__links {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.85rem;
}

.page-about .about-explore__link {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.95rem 1.1rem;
  background: var(--color-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  color: var(--color-text);
  text-decoration: none;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.page-about .about-explore__link:hover {
  border-color: rgba(0, 212, 255, 0.55);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
}

.page-about .about-explore__link span {
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.page-about .about-explore__link small {
  font-size: 0.75rem;
  color: var(--color-text-dim);
}

.page-about .image-frame {
  display: block;
  max-width: 100%;
}

.page-about .image-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .image-frame--ratio-wide {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.page-about .image-frame--ratio-wide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (min-width: 480px) {
  .page-about {
    padding-right: 1.75rem;
    padding-left: 1.75rem;
  }
}

@media (min-width: 1200px) {
  .page-about {
    padding: 2.5rem 3.5rem 6rem;
  }

  .page-about .about-hero {
    margin-bottom: 5rem;
  }

  .page-about .section {
    margin-bottom: 6.5rem;
  }

  .page-about .about-capabilities {
    padding: 2.2rem 2rem 2.5rem;
  }
}