.page-about {
  --about-grid-blue: rgba(53, 92, 125, 0.1);
  --about-dark-line: rgba(245, 243, 236, 0.14);
  --about-ink-soft: rgba(27, 25, 23, 0.85);
  background: var(--cream);
}

.page-about img {
  max-width: 100%;
  height: auto;
}

.page-about .about-hero {
  position: relative;
  padding: 40px 0 56px;
  background:
    linear-gradient(var(--about-grid-blue) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid-blue) 1px, transparent 1px);
  background-size: 28px 28px;
  border-bottom: 3px solid var(--ink);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "GRID 01 / REF A";
  position: absolute;
  top: 16px;
  right: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--steel);
  opacity: 0.72;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -48px;
  bottom: -48px;
  width: 160px;
  height: 160px;
  background: var(--red);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  opacity: 0.08;
  pointer-events: none;
}

.page-about .about-hero .breadcrumbs {
  margin: 0 0 40px;
}

.page-about .about-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 32px;
  align-items: center;
}

.page-about .about-hero-copy {
  position: relative;
  z-index: 1;
}

.page-about .about-hero-kicker {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 12px;
}

.page-about .about-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(36px, 9vw, 64px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  border-left: 6px solid var(--red);
  padding-left: 16px;
}

.page-about .about-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-about .about-hero-tags li {
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.page-about .about-hero .lead {
  max-width: 640px;
  margin: 0 0 24px;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-hero .btn--ghost {
  border-color: var(--ink);
  color: var(--ink);
}

.page-about .about-hero .btn--ghost:hover {
  border-color: var(--red);
  color: var(--red);
}

.page-about .about-hero-figure {
  margin: 0;
  background: var(--bone);
  border: 1px solid var(--line);
  padding: 8px;
}

.page-about .about-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-hero-figure figcaption {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  padding: 8px 4px 2px;
}

.page-about .about-why {
  padding: 56px 0 64px;
  position: relative;
}

.page-about .about-why .lead {
  max-width: 780px;
  margin-bottom: 36px;
}

.page-about .about-why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 40px;
}

.page-about .why-card {
  position: relative;
  background: var(--bone);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
  padding: 28px 24px 24px;
  transition: transform 0.25s ease, filter 0.25s ease, background 0.25s ease;
}

.page-about .why-card:hover {
  transform: translateY(-4px);
  filter: drop-shadow(6px 8px 0 rgba(27, 25, 23, 0.08));
}

.page-about .why-card--accent {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
}

.page-about .why-card--accent h3 {
  color: var(--cream);
}

.page-about .why-card--accent p {
  color: rgba(245, 243, 236, 0.85);
}

.page-about .why-card-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--red);
  margin-bottom: 12px;
  letter-spacing: 0.08em;
}

.page-about .why-card--accent .why-card-num {
  color: var(--highlight);
}

.page-about .why-card h3 {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 900;
  margin: 0 0 10px;
  line-height: 1.3;
  color: var(--ink);
}

.page-about .why-card p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  margin: 0;
}

.page-about .about-quote {
  border: 0;
  border-left: 4px solid var(--orange);
  margin: 0;
  padding: 12px 0 12px 24px;
  background: transparent;
}

.page-about .about-quote p {
  font-size: 17px;
  font-weight: 500;
  line-height: 1.7;
  color: var(--ink);
  margin: 0;
  max-width: 720px;
}

.page-about .about-data {
  background: var(--dark);
  color: var(--cream);
  padding: 56px 0 64px;
  position: relative;
  overflow: hidden;
}

.page-about .about-data::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(var(--about-dark-line) 1px, transparent 1px);
  background-size: 100% 24px;
  pointer-events: none;
}

.page-about .section-title--light {
  color: var(--cream);
}

.page-about .about-data .lead {
  color: rgba(245, 243, 236, 0.8);
  max-width: 780px;
}

.page-about .about-data-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 32px 0 40px;
  position: relative;
}

.page-about .stat-card {
  background: rgba(245, 243, 236, 0.06);
  border: 1px solid var(--about-dark-line);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  padding: 20px 16px 16px;
  transition: background 0.25s ease, border-color 0.25s ease;
}

.page-about .stat-card:hover {
  background: rgba(245, 243, 236, 0.12);
  border-color: var(--orange);
}

.page-about .stat-num {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--highlight);
  margin: 0 0 6px;
}

.page-about .stat-label {
  font-size: 13px;
  color: rgba(245, 243, 236, 0.8);
  margin: 0 0 8px;
}

.page-about .stat-extra {
  font-size: 12px;
  line-height: 1.6;
  color: rgba(245, 243, 236, 0.6);
  margin: 0;
  border-top: 1px dashed rgba(245, 243, 236, 0.2);
  padding-top: 8px;
}

@media (hover: hover) {
  .page-about .stat-extra {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    padding-top: 0;
    border-top-width: 0;
    transition: max-height 0.3s ease, opacity 0.3s ease, padding-top 0.3s ease;
  }
  .page-about .stat-card:hover .stat-extra {
    max-height: 80px;
    opacity: 1;
    padding-top: 8px;
    border-top-width: 1px;
  }
}

.page-about .about-data-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  position: relative;
}

.page-about .data-flow-steps h3 {
  font-size: 18px;
  color: var(--cream);
  margin: 0 0 20px;
  border-left: 4px solid var(--orange);
  padding-left: 12px;
}

.page-about .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .flow-list li {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--about-dark-line);
}

.page-about .flow-step {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--steel);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-about .flow-list h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--cream);
  margin: 0 0 6px;
}

.page-about .flow-list p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 243, 236, 0.7);
  margin: 0;
}

.page-about .data-flow-chart {
  margin: 0;
  background: rgba(245, 243, 236, 0.05);
  border: 1px solid var(--about-dark-line);
  padding: 8px;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-about .data-flow-chart img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .data-flow-chart figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(245, 243, 236, 0.6);
  padding: 8px 4px 2px;
}

.page-about .about-timeline {
  padding: 56px 0 64px;
  background: var(--cream);
}

.page-about .timeline-figure {
  margin: 28px 0 0;
  background: var(--bone);
  border: 1px solid var(--line);
  padding: 8px;
}

.page-about .timeline-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .timeline-arc {
  display: block;
  width: 100%;
  height: auto;
  margin: 24px 0 4px;
}

.page-about .timeline-arc circle {
  stroke: var(--red);
  transition: fill 0.2s ease, transform 0.2s ease;
}

.page-about .timeline-arc circle:nth-of-type(3) {
  stroke: var(--orange);
}

.page-about .timeline-arc circle:nth-of-type(4) {
  stroke: var(--highlight);
}

.page-about .timeline-arc circle:nth-of-type(5) {
  stroke: var(--steel);
}

.page-about .timeline-arc circle:hover {
  fill: var(--red);
}

.page-about .milestone-list {
  margin-top: 28px;
  border-left: 2px solid var(--line);
  padding-left: 20px;
}

.page-about .milestone-item {
  margin-bottom: 14px;
  background: var(--bone);
  border: 1px solid var(--line);
  transition: border-color 0.3s ease, background 0.3s ease;
}

.page-about .milestone-item[open] {
  border-color: var(--red);
  background: var(--cream);
}

.page-about .milestone-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-about .milestone-item summary::-webkit-details-marker,
.page-about .milestone-item summary::marker {
  display: none;
}

.page-about .milestone-item summary::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cream);
  border: 2px solid var(--steel);
  flex: 0 0 auto;
  transition: background 0.25s ease, border-color 0.25s ease;
}

.page-about .milestone-item[open] summary::before {
  background: var(--red);
  border-color: var(--red);
}

.page-about .milestone-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--muted);
  transition: transform 0.3s ease, color 0.3s ease;
}

.page-about .milestone-item[open] summary::after {
  transform: rotate(45deg);
  color: var(--red);
}

.page-about .milestone-year {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--red);
  background: var(--cream);
  padding: 4px 8px;
  border: 1px solid var(--line);
  white-space: nowrap;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.page-about .milestone-item[open] .milestone-year {
  background: var(--red);
  color: var(--cream);
  border-color: var(--red);
}

.page-about .milestone-title {
  display: inline-block;
}

.page-about .milestone-item p {
  margin: 0;
  padding: 0 18px 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .milestone-item:last-child {
  margin-bottom: 0;
}

.page-about .about-team {
  background: var(--bone);
  padding: 56px 0 64px;
  border-top: 3px solid var(--ink);
}

.page-about .about-team-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-top: 28px;
}

.page-about .team-narrative .lead {
  margin-bottom: 16px;
}

.page-about .team-narrative p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-about .team-values {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-about .value-item {
  background: var(--cream);
  border-left: 4px solid var(--red);
  padding: 18px 20px;
  box-shadow: 4px 4px 0 rgba(27, 25, 23, 0.06);
}

.page-about .value-key {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--red);
  font-weight: 700;
  display: block;
  margin-bottom: 6px;
  letter-spacing: 0.08em;
}

.page-about .value-item h3 {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 900;
  margin: 0 0 8px;
  color: var(--ink);
}

.page-about .value-item p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
}

.page-about .about-trust {
  margin: 40px 0 0;
  padding: 24px;
  border: 0;
  background:
    linear-gradient(rgba(53, 92, 125, 0.28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 92, 125, 0.28) 1px, transparent 1px),
    var(--dark);
  background-size: 20px 20px;
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

.page-about .about-trust p {
  font-size: 17px;
  font-weight: 500;
  line-height: 1.8;
  color: var(--cream);
  margin: 0;
  max-width: 720px;
}

.page-about .about-next {
  background:
    repeating-linear-gradient(-45deg, rgba(245, 243, 236, 0.04) 0 2px, transparent 2px 12px),
    var(--ink);
  color: var(--cream);
  padding: 56px 0 64px;
}

.page-about .about-next .section-title {
  color: var(--cream);
}

.page-about .about-next .lead {
  color: rgba(245, 243, 236, 0.75);
  max-width: 720px;
}

.page-about .about-next .lead a {
  color: var(--highlight);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-about .next-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 28px;
  max-width: 680px;
}

.page-about .next-links .btn {
  display: inline-block;
  text-align: center;
  padding-top: 12px;
  padding-bottom: 12px;
}

.page-about .about-next .btn--ghost {
  border-color: rgba(245, 243, 236, 0.4);
  color: var(--cream);
}

.page-about .about-next .btn--ghost:hover {
  border-color: var(--highlight);
  color: var(--highlight);
}

@media (min-width: 768px) {
  .page-about .about-hero {
    padding: 48px 0 64px;
  }

  .page-about .about-hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    margin-top: 40px;
  }

  .page-about .about-why {
    padding: 64px 0 72px;
  }

  .page-about .about-why-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-about .about-data {
    padding: 64px 0 72px;
  }

  .page-about .about-data-stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .page-about .stat-num {
    font-size: 32px;
  }

  .page-about .team-values {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .page-about .about-trust {
    padding: 32px;
  }

  .page-about .next-links {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .page-about .milestone-list {
    padding-left: 28px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-data-flow {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: flex-start;
    gap: 40px;
  }

  .page-about .about-team-layout {
    grid-template-columns: 1fr 1fr;
    gap: 64px;
  }

  .page-about .next-links {
    grid-template-columns: repeat(4, 1fr);
  }
}