.page-about {
  --about-shadow-hard: 4px 4px 0 var(--ink);
  --about-shadow-sm: 3px 3px 0 var(--ink);
  --about-grid-white: rgba(255, 255, 255, 0.07);
  --about-grid-ink: rgba(26, 26, 26, 0.055);
}

.page-about .breadcrumb {
  margin-bottom: 1rem;
}

.page-about .page-head {
  padding: 0.5rem 0 2.5rem;
}

.page-about .about-what {
  position: relative;
  background-color: var(--teal);
  padding: 3.5rem 0;
  overflow: hidden;
}

.page-about .about-what::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--about-grid-white) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid-white) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

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

.page-about .about-what-copy {
  color: var(--cream);
}

.page-about .about-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  border: 1px solid rgba(0, 229, 255, 0.45);
  padding: 0.35rem 0.75rem;
  margin-bottom: 1rem;
  background: rgba(0, 229, 255, 0.08);
}

.page-about .about-what-title {
  font-size: 1.875rem;
  line-height: 1.25;
  font-weight: 900;
  color: var(--white);
  margin: 0 0 0.875rem;
}

.page-about .about-what-lead {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: rgba(255, 243, 224, 0.92);
  margin: 0 0 0.875rem;
}

.page-about .about-what-copy p:not(.about-what-lead) {
  line-height: 1.7;
  color: rgba(255, 243, 224, 0.8);
  font-size: 0.9375rem;
  margin: 0 0 1.25rem;
}

.page-about .about-what-tags {
  margin-bottom: 1.5rem;
}

.page-about .about-what-fig {
  margin: 0;
  border: 2px solid var(--yellow);
  background: var(--cream);
  padding: 0.5rem;
  box-shadow: var(--about-shadow-hard);
}

.page-about .about-what-fig img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-what-fig figcaption {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink);
  padding: 0.5rem 0.25rem 0.1rem;
  letter-spacing: 0.04em;
}

.page-about .about-scale {
  background-color: var(--cream);
  padding: 3rem 0;
}

.page-about .about-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.875rem;
  margin: 1.75rem 0 2.25rem;
}

.page-about .about-metric {
  background: var(--white);
  border: 2px solid var(--ink);
  box-shadow: var(--about-shadow-sm);
  padding: 1.25rem 0.75rem 1rem;
  text-align: center;
  position: relative;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
}

.page-about .about-metric::after {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  width: 0.75rem;
  height: 0.75rem;
  background: var(--yellow);
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}

.page-about .about-metric-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.625rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 0.25rem;
}

.page-about .about-metric:nth-child(1) .about-metric-num {
  color: var(--orange);
}

.page-about .about-metric:nth-child(2) .about-metric-num {
  color: var(--magenta);
}

.page-about .about-metric:nth-child(3) .about-metric-num {
  color: var(--teal);
}

.page-about .about-metric:nth-child(4) .about-metric-num {
  font-size: 1.125rem;
  color: var(--purple);
}

.page-about .about-metric-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.page-about .about-scale-main {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 0.25rem;
}

.page-about .about-type-bars {
  background: var(--white);
  border: 2px solid var(--ink);
  box-shadow: var(--about-shadow-sm);
  padding: 1.5rem 1.25rem;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
}

.page-about .about-subhead {
  font-size: 1rem;
  font-weight: 800;
  margin: 0 0 1rem;
  padding-left: 0.75rem;
  border-left: 5px solid var(--orange);
}

.page-about .about-bar-row {
  display: grid;
  grid-template-columns: 3.25rem 1fr 3.75rem;
  gap: 0.625rem;
  align-items: center;
  margin-bottom: 0.7rem;
}

.page-about .about-bar-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--ink);
}

.page-about .about-bar-track {
  height: 10px;
  background: rgba(26, 26, 26, 0.08);
  border: 1px solid rgba(26, 26, 26, 0.25);
  overflow: hidden;
}

.page-about .about-bar-fill {
  display: block;
  height: 100%;
}

.page-about .about-bar-orange {
  background: var(--orange);
}

.page-about .about-bar-magenta {
  background: var(--magenta);
}

.page-about .about-bar-blue {
  background: var(--blue);
}

.page-about .about-bar-green {
  background: var(--green);
}

.page-about .about-bar-yellow {
  background: var(--yellow);
}

.page-about .about-bar-teal {
  background: var(--teal);
}

.page-about .about-bar-value {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 800;
  text-align: right;
  color: var(--ink);
}

.page-about .about-bar-note {
  font-size: 0.875rem;
  color: var(--gray);
  margin: 0.75rem 0 0;
  padding-top: 0.625rem;
  border-top: 1px dashed rgba(26, 26, 26, 0.2);
}

.page-about .about-taxonomy {
  background: var(--yellow);
  border: 2px solid var(--ink);
  box-shadow: var(--about-shadow-hard);
  padding: 1.5rem 1.25rem;
  align-self: start;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
}

.page-about .about-taxo-tier {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.7rem 0;
  border-bottom: 2px solid rgba(26, 26, 26, 0.15);
  font-size: 0.9375rem;
  font-weight: 600;
}

.page-about .about-taxo-tier strong {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 900;
  color: var(--magenta);
}

.page-about .about-taxo-tags {
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 1rem 0;
}

.page-about .about-update {
  background-color: var(--purple);
  padding: 3rem 0;
  position: relative;
  overflow: hidden;
}

.page-about .about-update::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--about-grid-white) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid-white) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

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

.page-about .about-update .section-link {
  color: var(--blue);
  border-color: rgba(0, 229, 255, 0.4);
}

.page-about .about-update-grid {
  position: relative;
  display: grid;
  gap: 2rem;
  margin-top: 1.75rem;
  align-items: start;
}

.page-about .about-timeline {
  position: relative;
  padding-left: 1.5rem;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--blue);
}

.page-about .about-timeline-item {
  position: relative;
  padding: 0.75rem 1rem 0.75rem 1.15rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  margin-bottom: 1rem;
}

.page-about .about-timeline-item::before {
  content: "";
  position: absolute;
  left: -1.65rem;
  top: 1.1rem;
  width: 11px;
  height: 11px;
  background: var(--blue);
  border: 2px solid var(--purple);
  box-shadow: 0 0 0 2px var(--blue);
}

.page-about .about-tl-time {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--yellow);
  margin-bottom: 0.25rem;
}

.page-about .about-tl-desc {
  display: block;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9375rem;
  line-height: 1.55;
}

.page-about .about-tl-fig {
  margin: 0;
  border: 2px solid var(--blue);
  background: rgba(255, 255, 255, 0.06);
  padding: 0.5rem;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.25);
}

.page-about .about-tl-fig img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-tl-fig figcaption {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.75);
  padding: 0.4rem 0.15rem 0.05rem;
}

.page-about .about-devices {
  background-color: var(--cream);
  padding: 3rem 0;
}

.page-about .about-device-grid {
  display: grid;
  gap: 1.75rem;
  margin: 1.75rem 0 0;
}

.page-about .about-device-card {
  position: relative;
  border: 2px solid var(--ink);
  box-shadow: var(--about-shadow-hard);
  padding: 1.75rem 1.5rem 1.5rem;
  margin-top: 0.85rem;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
}

.page-about .about-device-flag {
  position: absolute;
  top: -0.85rem;
  left: 1rem;
  background: var(--orange);
  color: var(--white);
  font-size: 0.8125rem;
  font-weight: 800;
  padding: 0.3rem 0.9rem 0.3rem 0.7rem;
  clip-path: polygon(6px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.page-about .about-device-name {
  font-size: 1.1875rem;
  font-weight: 800;
  margin: 0 0 0.875rem;
}

.page-about .about-device-pc {
  background: var(--white);
  border-top: 6px solid var(--teal);
}

.page-about .about-device-pc .about-device-name {
  color: var(--teal);
}

.page-about .about-device-android {
  background: var(--yellow);
  border-top: 6px solid var(--magenta);
}

.page-about .about-device-android .about-device-name {
  color: var(--magenta);
}

.page-about .about-device-android .about-device-flag {
  background: var(--magenta);
}

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

.page-about .about-device-list li {
  position: relative;
  padding: 0.5rem 0 0.5rem 1.25rem;
  border-bottom: 1px dashed rgba(26, 26, 26, 0.12);
  font-size: 0.9375rem;
  line-height: 1.55;
}

.page-about .about-device-list li:last-child {
  border-bottom: none;
}

.page-about .about-device-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.95rem;
  width: 7px;
  height: 7px;
  background: var(--orange);
}

.page-about .about-device-pc .about-device-list li::before {
  background: var(--blue);
}

.page-about .about-device-android .about-device-list li::before {
  background: var(--magenta);
}

.page-about .about-device-fig {
  margin: 2rem 0 0;
  border: 2px solid var(--ink);
  background: var(--teal);
  padding: 0.5rem;
  box-shadow: var(--about-shadow-hard);
}

.page-about .about-device-fig img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-device-fig figcaption {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cream);
  padding: 0.5rem 0.2rem 0.1rem;
}

.page-about .about-metric:hover,
.page-about .about-type-bars:hover,
.page-about .about-taxonomy:hover,
.page-about .about-device-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--ink);
}

@media (min-width: 720px) {
  .page-about .about-metrics {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-scale-main {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 1.75rem;
  }

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

@media (min-width: 900px) {
  .page-about .about-what-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 3.5rem;
  }

  .page-about .about-update-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    gap: 3rem;
    align-items: center;
  }

  .page-about .about-bar-row {
    grid-template-columns: 3.5rem 1fr 4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-metric,
  .page-about .about-type-bars,
  .page-about .about-taxonomy,
  .page-about .about-device-card {
    transform: none !important;
    box-shadow: var(--about-shadow-sm) !important;
    transition: none !important;
  }

  .page-about .about-taxonomy,
  .page-about .about-device-card {
    box-shadow: var(--about-shadow-hard) !important;
  }
}