.page-about {
  --blue-grid: rgba(10, 31, 68, 0.055);
  --line-soft: rgba(10, 31, 68, 0.18);
  background:
    linear-gradient(90deg, var(--blue-grid) 1px, transparent 1px),
    linear-gradient(180deg, var(--blue-grid) 1px, transparent 1px),
    var(--cream);
  background-size: 36px 36px;
  color: var(--dark);
}

.page-about a {
  color: var(--light-blue);
  text-decoration-color: rgba(58, 109, 140, 0.4);
}

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.25rem;
  padding: 1rem 0 0;
  font-size: 0.9rem;
}

.page-about .section-label {
  display: inline-block;
  margin: 0 0 0.4rem;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.page-about .brand-hero__grid {
  position: relative;
  padding: 2.5rem 0 3.5rem;
  border-bottom: 5px solid var(--primary);
}

.page-about .brand-hero__number {
  position: absolute;
  top: 1rem;
  right: 0;
  z-index: 0;
  max-width: 30%;
  font-family: var(--font-headings);
  font-size: clamp(4rem, 18vw, 11rem);
  line-height: 0.78;
  color: var(--primary);
  opacity: 0.1;
  pointer-events: none;
  letter-spacing: -0.02em;
}

.page-about .brand-hero__content {
  position: relative;
  z-index: 1;
  max-width: 920px;
}

.page-about .brand-hero__content::before {
  content: "";
  display: block;
  width: 84px;
  height: 12px;
  margin-bottom: 1.75rem;
  background: var(--accent);
  clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
}

.page-about .brand-hero__title {
  margin: 0;
  font-family: var(--font-headings);
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  line-height: 1.06;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--primary);
}

.page-about .brand-hero__lead {
  margin: 1.5rem 0 2rem;
  max-width: 60ch;
  font-size: 1.15rem;
  line-height: 1.85;
}

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

.page-about .section-block__head {
  display: grid;
  gap: 1rem;
  padding-bottom: 1.25rem;
  margin: 3.5rem 0 1.75rem;
  border-bottom: 2px solid var(--line-soft);
}

.page-about .section-number {
  font-family: var(--font-headings);
  font-size: clamp(3.5rem, 10vw, 6rem);
  line-height: 0.85;
  color: var(--primary);
  letter-spacing: -0.01em;
}

.page-about .section-block__head h2 {
  margin: 0.25rem 0 0;
  font-family: var(--font-headings);
  font-size: clamp(1.5rem, 4vw, 2.75rem);
  line-height: 1.12;
  color: var(--primary);
  text-transform: uppercase;
}

.page-about .section-block__intro {
  margin: 0 0 2.25rem;
  max-width: 68ch;
  font-size: 1.05rem;
  line-height: 1.8;
}

.page-about .timeline-section {
  padding-bottom: 2.5rem;
}

.page-about .milestone-scroller {
  overflow-x: auto;
  scrollbar-color: var(--primary) rgba(10, 31, 68, 0.12);
  scrollbar-width: thin;
  padding: 0.25rem 0 1.5rem;
  margin-bottom: 1.75rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-about .milestone-track {
  display: flex;
  gap: 1rem;
  min-width: max-content;
  padding-right: 0.5rem;
}

.page-about .milestone-item {
  position: relative;
  flex: 0 0 min(78vw, 320px);
  padding: 1.75rem 1.4rem 1.5rem;
  border: 2px solid rgba(10, 31, 68, 0.28);
  border-top: 8px solid var(--primary);
  background: rgba(255, 255, 255, 0.55);
  box-shadow: var(--shadow);
  scroll-snap-align: start;
}

.page-about .milestone-item--current {
  border-top-color: var(--gold);
}

.page-about .milestone-item__year {
  display: block;
  margin-bottom: 1.25rem;
  font-family: var(--font-data);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
}

.page-about .milestone-item__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-headings);
  font-size: 1.5rem;
  text-transform: uppercase;
  color: var(--primary);
}

.page-about .milestone-item__desc {
  margin: 0;
  font-size: 0.975rem;
  line-height: 1.75;
  color: var(--dark);
}

.page-about .timeline-image {
  max-width: 860px;
  margin: 0 auto;
}

.page-about .timeline-image figcaption {
  margin-top: 0.75rem;
  font-size: 0.95rem;
  color: var(--gray);
  text-align: center;
}

.page-about .tech-layout {
  display: grid;
  gap: 2rem;
  align-items: start;
}

.page-about .tech-image {
  max-width: 560px;
  margin-inline: auto;
}

.page-about .tech-image figcaption {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--gray);
}

.page-about .tech-panel {
  background: var(--primary);
  color: var(--cream);
  padding: 2rem 1.5rem;
  border: 4px solid var(--primary);
  box-shadow: var(--shadow);
}

.page-about .tech-panel__lead {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.8;
}

.page-about .tech-list {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
}

.page-about .tech-list__item {
  padding: 1.15rem 0;
  border-bottom: 1px solid rgba(245, 240, 232, 0.25);
}

.page-about .tech-list__item:first-child {
  border-top: 1px solid rgba(245, 240, 232, 0.25);
}

.page-about .tech-list__name {
  display: block;
  font-family: var(--font-headings);
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-about .tech-list__desc {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(245, 240, 232, 0.9);
}

.page-about .tech-panel__footnote {
  margin: 1.5rem 0 0;
  padding-left: 0.9rem;
  border-left: 3px solid var(--accent);
  font-size: 0.925rem;
  line-height: 1.7;
  color: var(--gold);
}

.page-about .scale-band {
  background: var(--primary);
  padding: 2rem 1.25rem;
  color: var(--cream);
  box-shadow: var(--shadow);
}

.page-about .scale-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.page-about .scale-stat {
  border-left: 4px solid var(--accent);
  padding-left: 1rem;
}

.page-about .scale-stat .stat__value {
  display: block;
  font-family: var(--font-data);
  font-size: clamp(2rem, 7vw, 3.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}

.page-about .scale-stat .stat__label {
  display: block;
  margin-top: 0.55rem;
  font-size: 0.875rem;
  color: rgba(245, 240, 232, 0.85);
}

.page-about .scale-image {
  max-width: 1200px;
  margin: 2rem auto 0;
}

.page-about .scale-image figcaption {
  margin-top: 0.75rem;
  font-size: 0.925rem;
  color: var(--gray);
  text-align: center;
}

.page-about .promise-section {
  padding-bottom: 2rem;
}

.page-about .promise-grid {
  display: grid;
  gap: 1.25rem;
}

.page-about .promise-item {
  position: relative;
  padding: 1.25rem 0 1.5rem 3.5rem;
  border-top: 2px solid rgba(10, 31, 68, 0.2);
  border-bottom: 2px solid rgba(10, 31, 68, 0.2);
}

.page-about .promise-item__num {
  position: absolute;
  top: 1.25rem;
  left: 0;
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 2px solid var(--moss);
  color: var(--primary);
  font-family: var(--font-headings);
  font-size: 1rem;
  font-weight: 700;
}

.page-about .promise-item__body h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-headings);
  font-size: 1.4rem;
  text-transform: uppercase;
  color: var(--primary);
}

.page-about .promise-item__body p {
  margin: 0;
  max-width: 52ch;
  font-size: 0.975rem;
  line-height: 1.75;
}

.page-about .link-outro {
  margin-top: 3rem;
  border-top: 6px solid var(--primary);
  background: var(--moss);
}

.page-about .link-outro__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 1.25rem;
  padding-top: 2.5rem;
  padding-bottom: 3rem;
}

.page-about .link-outro__text {
  margin: 0;
  font-family: var(--font-headings);
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #fff;
}

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

.page-about .link-outro__item {
  padding: 0.55rem 1rem;
  font-family: var(--font-headings);
  font-size: 1.2rem;
  text-transform: uppercase;
  text-decoration: none;
  color: #fff;
  background: var(--primary);
  box-shadow: 5px 5px 0 rgba(0, 0, 0, 0.12);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.page-about .link-outro__item:hover {
  background: var(--deep-orange);
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.12);
  transform: translate(2px, 2px);
}

@media (min-width: 640px) {
  .page-about .scale-band {
    padding: 2.75rem 2rem;
  }

  .page-about .scale-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }

  .page-about .milestone-item {
    flex-basis: 280px;
  }

  .page-about .promise-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }

  .page-about .promise-item {
    padding: 1.5rem 0 1.5rem 3.75rem;
  }
}

@media (min-width: 960px) {
  .page-about .brand-hero__grid {
    display: grid;
    grid-template-columns: minmax(140px, 240px) 1fr;
    gap: 2rem;
    padding: 5rem 0;
  }

  .page-about .brand-hero__number {
    position: static;
    place-self: start;
  }

  .page-about .section-block__head {
    grid-template-columns: 200px 1fr;
    gap: 2.5rem;
    align-items: end;
  }

  .page-about .section-block__intro {
    margin-top: -0.5rem;
  }

  .page-about .tech-layout {
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
  }

  .page-about .tech-image {
    margin-inline: 0;
  }

  .page-about .tech-panel {
    padding: 2.75rem 2.25rem;
  }

  .page-about .link-outro__inner {
    justify-content: space-between;
  }
}