.page-about {
  --about-purple: #4B0082;
  --about-burgundy: #800020;
  --about-deep: #080A10;
  --about-surface: #1E232B;
  --about-pad: clamp(3.5rem, 7vw, 6rem);
  background: var(--color-bg);
  color: var(--color-text);
  overflow-x: clip;
}

.page-about .breadcrumb {
  padding-block: 1rem 0;
}

.page-about .about-hero {
  position: relative;
  padding-block: var(--about-pad);
  background:
    radial-gradient(circle at 82% 30%, rgba(0, 191, 255, 0.16) 0, transparent 42%),
    linear-gradient(118deg, var(--about-purple) 0%, rgba(75, 0, 130, 0.55) 52%, var(--color-bg) 100%);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--color-highlight) 0%, var(--color-electric) 45%, transparent 80%);
  pointer-events: none;
}

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

.page-about .about-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.75rem, 6.5vw, 5rem);
  line-height: 1.1;
  font-weight: 700;
  margin: 0.25rem 0 1rem;
}

.page-about .about-hero__lead {
  color: var(--color-highlight);
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 700;
  margin: 0 0 1.25rem;
}

.page-about .about-hero__text {
  max-width: 46ch;
  color: var(--color-text-dim);
  font-size: 0.9375rem;
  line-height: 1.8;
  margin: 0;
}

.page-about .about-hero__visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.42);
}

.page-about .about-who {
  padding-block: var(--about-pad);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.page-about .about-who__grid {
  display: grid;
  gap: 2.5rem;
}

.page-about .about-who__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  line-height: 1.15;
  margin: 0;
}

.page-about .about-who__lead {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  line-height: 1.45;
  border-left: 3px solid var(--color-highlight);
  padding-left: 1.25rem;
  margin: 0 0 1.5rem;
}

.page-about .about-who__text p {
  margin: 0 0 1rem;
  color: var(--color-text-dim);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.page-about .about-who__content .btn {
  margin-top: 1.75rem;
}

.page-about .about-milestones {
  padding-block: var(--about-pad);
  background:
    linear-gradient(135deg, var(--about-burgundy) 0%, rgba(128, 0, 32, 0.82) 58%, var(--about-deep) 100%);
  color: var(--color-text);
}

.page-about .about-milestones .section-kicker {
  color: var(--color-gold);
}

.page-about .about-milestones .section-subtitle {
  color: rgba(230, 230, 230, 0.78);
}

.page-about .milestone-timeline {
  margin: 2.5rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1.6rem;
}

.page-about .milestone-timeline__item {
  position: relative;
  padding-left: 1.5rem;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.page-about .milestone-timeline__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 0.35rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-highlight);
  box-shadow: 0 0 0 4px rgba(0, 255, 136, 0.14);
}

.page-about .milestone-timeline__year {
  display: block;
  font-family: var(--font-data);
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
}

.page-about .milestone-timeline__card {
  background: rgba(8, 10, 16, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.page-about .milestone-timeline__card:hover,
.page-about .milestone-timeline__card:focus-within {
  transform: translateY(-3px);
  border-color: rgba(0, 255, 136, 0.45);
  background: rgba(8, 10, 16, 0.45);
}

.page-about .milestone-timeline__card h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-head);
  font-size: 1.06rem;
  letter-spacing: 0.02em;
}

.page-about .milestone-timeline__card p {
  margin: 0;
  color: rgba(230, 230, 230, 0.82);
  font-size: 0.875rem;
  line-height: 1.7;
}

.page-about .about-data {
  position: relative;
  padding-block: var(--about-pad);
  background:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    var(--color-bg);
  background-size: 32px 32px;
}

.page-about .about-data__grid {
  display: grid;
  gap: 2.5rem;
  align-items: start;
  margin-top: 2.5rem;
}

.page-about .about-data__visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.page-about .data-capability-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}

.page-about .data-capability-list__item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-highlight);
}

.page-about .data-capability-list__stat {
  flex: 0 0 auto;
  min-width: 4.5rem;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  line-height: 1;
  color: var(--color-highlight);
}

.page-about .data-capability-list__body h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-head);
  font-size: 1rem;
  letter-spacing: 0.03em;
}

.page-about .data-capability-list__body p {
  margin: 0;
  color: var(--color-text-dim);
  font-size: 0.875rem;
  line-height: 1.7;
}

.page-about .about-service {
  padding-block: var(--about-pad);
  border-top: 1px solid var(--color-purple);
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--about-surface) 100%);
}

.page-about .about-service__grid {
  display: grid;
  gap: 2.5rem;
}

.page-about .about-service__left,
.page-about .about-service__right {
  display: grid;
  gap: 2rem;
  align-content: start;
}

.page-about .about-service__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  margin: 0 0 0.5rem;
  line-height: 1.15;
}

.page-about .about-service__lead {
  color: var(--color-text-dim);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  margin: 0;
  line-height: 1.7;
}

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

.page-about .about-service__stats .card {
  margin: 0;
}

.page-about .card__label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: 0.4rem;
}

.page-about .card__value {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2rem, 3vw, 2.75rem);
  line-height: 1;
  color: var(--color-text);
}

.page-about .card__value .data-text {
  color: var(--color-highlight);
}

.page-about .about-service__visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.page-about .about-service__content p {
  margin: 0 0 1.1rem;
  color: var(--color-text-dim);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.page-about .about-service__content a {
  color: var(--color-electric);
  text-decoration: none;
}

.page-about .about-service__content a:hover {
  text-decoration: underline;
}

.page-about .about-service__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

@media (min-width: 768px) {
  .page-about .about-who__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 3rem;
  }

  .page-about .milestone-timeline__item {
    display: grid;
    grid-template-columns: 11rem 1fr;
    gap: 2rem;
    padding-left: 2rem;
  }

  .page-about .milestone-timeline__year {
    margin-bottom: 0;
    text-align: right;
    padding-top: 0.2rem;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: 3.5rem;
  }

  .page-about .about-data__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 4rem;
  }

  .page-about .about-service__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 4rem;
  }
}