.page-about {
  --ab-pad: clamp(3.5rem, 8vw, 6.5rem);
  --ab-card-gap: clamp(1rem, 2vw, 1.5rem);
}

.page-about .kai-container {
  position: relative;
  z-index: 1;
}

.page-about .ab-hero {
  position: relative;
  padding: calc(var(--kai-header-h) + 2.25rem) 0 3.5rem;
  overflow: hidden;
  background-image:
    linear-gradient(rgba(255, 215, 0, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 215, 0, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
}

.page-about .ab-hero::before {
  content: "";
  position: absolute;
  right: -14%;
  top: -30%;
  width: 38%;
  height: 150%;
  background: linear-gradient(135deg, transparent 28%, rgba(255, 215, 0, 0.13) 28%, rgba(255, 215, 0, 0.13) 66%, transparent 66%);
  transform: skewX(-12deg);
  pointer-events: none;
}

.page-about .ab-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 32px;
  background: linear-gradient(100deg, var(--kai-gold) 0%, var(--kai-gold) 28%, transparent 28.2%);
  opacity: 0.18;
  clip-path: polygon(0 42%, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-about .ab-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.5rem;
}

.page-about .ab-hero__content {
  max-width: 44rem;
}

.page-about .ab-hero h1 {
  margin: 0.875rem 0 0;
  font-family: var(--kai-font-head);
  font-size: clamp(1.75rem, 4vw + 0.5rem, 2.75rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-about .ab-hero__lead {
  margin: 1.25rem 0 1.75rem;
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--kai-muted);
}

.page-about .ab-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

.page-about .ab-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.875rem;
}

.page-about .ab-hero__stat {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1.125rem 1rem 1rem;
  background: rgba(255, 255, 255, 0.028);
  border: 1px solid var(--kai-border);
  border-radius: var(--kai-radius);
  overflow: hidden;
}

.page-about .ab-hero__stat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16%;
  width: 2px;
  height: 30%;
  background: var(--kai-gold);
}

.page-about .ab-hero__stat--span {
  grid-column: 1 / -1;
  background: linear-gradient(120deg, rgba(255, 215, 0, 0.14), rgba(255, 255, 255, 0.02));
  border-color: rgba(255, 215, 0, 0.28);
}

.page-about .ab-hero__stat--accent {
  background: rgba(255, 107, 53, 0.08);
  border-color: rgba(255, 107, 53, 0.32);
}

.page-about .ab-hero__stat--accent::before {
  background: var(--kai-orange);
}

.page-about .ab-hero__num {
  font-family: var(--kai-font-mono);
  font-size: 1.65rem;
  line-height: 1.2;
  font-weight: 700;
  color: var(--kai-gold);
}

.page-about .ab-hero__stat--accent .ab-hero__num {
  color: var(--kai-orange);
}

.page-about .ab-hero__label {
  font-size: 0.875rem;
  color: var(--kai-muted);
}

.page-about .kai-section {
  position: relative;
  overflow: hidden;
}

.page-about .kai-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 26px;
  background: linear-gradient(90deg, rgba(255, 215, 0, 0.16), transparent 65%);
  clip-path: polygon(0 0, 100% 0, 100% 6px, 0 26px);
  pointer-events: none;
  z-index: 2;
}

.page-about .kai-section::after {
  content: "";
  position: absolute;
  right: -6%;
  bottom: 1.5rem;
  width: 48%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--kai-gold), transparent);
  transform: skewX(-28deg);
  opacity: 0.5;
  pointer-events: none;
}

.page-about .ab-mission__grid {
  display: grid;
  gap: var(--ab-card-gap);
}

.page-about .ab-mcard {
  position: relative;
  padding: 1.5rem 1.375rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
  border: 1px solid var(--kai-border);
  border-radius: var(--kai-radius);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-about .ab-mcard__idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 2.25rem;
  padding: 0 0.5rem;
  font-family: var(--kai-font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--kai-bg-deep);
  background: var(--kai-gold);
  border-radius: 2px;
}

.page-about .ab-mcard h3 {
  margin: 0.625rem 0 0.625rem;
  font-family: var(--kai-font-head);
  font-size: 1.25rem;
  font-weight: 700;
}

.page-about .ab-mcard p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  opacity: 0.9;
}

.page-about .ab-mcard__link {
  display: inline-block;
  margin-top: 0.875rem;
  padding-bottom: 2px;
  color: var(--kai-gold);
  font-size: 0.875rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 215, 0, 0.35);
  transition: border-color 0.25s ease;
}

.page-about .ab-mcard__link:hover,
.page-about .ab-mcard__link:focus {
  border-bottom-color: var(--kai-gold);
}

.page-about .ab-history__wrap {
  display: grid;
  gap: 1.5rem;
  align-items: start;
}

.page-about .ab-history__media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--kai-border);
  border-radius: var(--kai-radius);
  object-fit: cover;
}

.page-about .ab-timeline {
  position: relative;
  list-style: none;
  margin: 0.25rem 0 0;
  padding: 0 0 0 2.75rem;
}

.page-about .ab-timeline::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--kai-gold), rgba(255, 215, 0, 0.1));
}

.page-about .ab-timeline__item {
  position: relative;
  padding: 0 0 1.75rem;
}

.page-about .ab-timeline__mark {
  position: absolute;
  left: -2.75rem;
  top: 0;
  width: 40px;
  height: 40px;
}

.page-about .ab-timeline__dot {
  fill: var(--kai-gold);
  transform-box: fill-box;
  transform-origin: center;
}

.page-about .ab-timeline__ring {
  fill: none;
  stroke: var(--kai-gold);
  stroke-width: 1;
  opacity: 0.4;
}

.page-about .ab-timeline__item[data-revealed="true"] .ab-timeline__dot {
  animation: ab-about-dot-pulse 0.5s ease-out backwards;
}

@keyframes ab-about-dot-pulse {
  0% {
    transform: scale(0);
  }
  65% {
    transform: scale(1.45);
  }
  100% {
    transform: scale(1);
  }
}

.page-about .ab-timeline__body {
  padding-top: 0.125rem;
}

.page-about .ab-timeline__tag {
  display: inline-block;
  font-family: var(--kai-font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--kai-gold);
  border: 1px solid rgba(255, 215, 0, 0.3);
  border-radius: 999px;
  padding: 0.2rem 0.625rem;
  margin-bottom: 0.5rem;
}

.page-about .ab-timeline__body h3 {
  margin: 0 0 0.375rem;
  font-family: var(--kai-font-head);
  font-size: 1.125rem;
  font-weight: 700;
}

.page-about .ab-timeline__body p {
  margin: 0;
  color: var(--kai-text);
  opacity: 0.85;
  line-height: 1.65;
  font-size: 0.9375rem;
}

.page-about .ab-data__grid {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

.page-about .ab-data__list {
  display: grid;
  gap: 0.875rem;
}

.page-about .ab-meter {
  padding: 1rem 1.125rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--kai-border);
  border-radius: var(--kai-radius);
}

.page-about .ab-meter__top {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  justify-content: space-between;
  font-size: 0.9375rem;
}

.page-about .ab-meter__top strong {
  font-family: var(--kai-font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--kai-gold);
  white-space: nowrap;
}

.page-about .ab-meter__track {
  margin-top: 0.625rem;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
}

.page-about .ab-meter__track i {
  display: block;
  width: 90%;
  height: 100%;
  background: linear-gradient(90deg, var(--kai-gold), var(--kai-orange));
  border-radius: 2px;
  transform-origin: left center;
}

.page-about .ab-data__list .ab-meter:nth-child(2) .ab-meter__track i {
  width: 78%;
}
.page-about .ab-data__list .ab-meter:nth-child(3) .ab-meter__track i {
  width: 100%;
}
.page-about .ab-data__list .ab-meter:nth-child(4) .ab-meter__track i {
  width: 86%;
}

.page-about .ab-meter[data-revealed="true"] .ab-meter__track i {
  animation: ab-about-meter-grow 0.8s var(--kai-ease) backwards;
}

@keyframes ab-about-meter-grow {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

.page-about .ab-meter p {
  margin: 0.375rem 0 0;
  font-size: 0.8125rem;
  color: var(--kai-muted);
}

.page-about .ab-data__visual img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--kai-border);
  border-radius: var(--kai-radius);
  object-fit: cover;
}

.page-about .ab-data__caption {
  margin: 0.5rem 0 0;
  text-align: right;
  font-size: 0.8125rem;
  color: var(--kai-muted);
}

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

.page-about .ab-service__card {
  padding: 1.375rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--kai-border);
  border-radius: var(--kai-radius);
}

.page-about .ab-service__card h3 {
  margin: 0 0 0.625rem;
  font-family: var(--kai-font-head);
  font-size: 1.125rem;
  font-weight: 700;
}

.page-about .ab-service__card p {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--kai-text);
  opacity: 0.9;
}

.page-about .ab-service__list {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
}

.page-about .ab-service__list li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.25rem 1rem;
  padding: 0.5625rem 0;
  border-bottom: 1px dashed var(--kai-border);
  font-size: 0.875rem;
}

.page-about .ab-service__list li:last-child {
  border-bottom: 0;
}

.page-about .ab-service__list span {
  color: var(--kai-muted);
  flex: 0 0 auto;
}

.page-about .ab-service__list strong {
  text-align: right;
  font-weight: 600;
  min-width: 0;
  overflow-wrap: break-word;
}

.page-about .ab-service__visual img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--kai-border);
  border-radius: var(--kai-radius);
  object-fit: cover;
}

.page-about .ab-service__trust {
  margin: 2rem 0 0;
  padding: 1rem 1.25rem;
  background: rgba(255, 215, 0, 0.05);
  border-left: 2px solid var(--kai-gold);
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--kai-muted);
}

@media (min-width: 768px) {
  .page-about .ab-hero {
    padding-top: calc(var(--kai-header-h) + 3rem);
  }

  .page-about .ab-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 3rem;
    align-items: center;
  }

  .page-about .ab-hero__stats {
    gap: 1rem;
  }

  .page-about .ab-mission__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .page-about .ab-mcard--offset {
    margin-top: 1.25rem;
  }

  .page-about .ab-history__wrap {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    column-gap: 2rem;
  }

  .page-about .ab-data__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: 2rem;
  }

  .page-about .ab-service__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .page-about .ab-service__visual {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1024px) {
  .page-about .ab-hero {
    padding-bottom: 5rem;
  }

  .page-about .ab-hero__lead {
    font-size: 1.125rem;
  }

  .page-about .ab-mission__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .page-about .ab-mcard--offset {
    margin-top: 2.25rem;
  }

  .page-about .ab-history__wrap {
    column-gap: 3.5rem;
  }

  .page-about .ab-service__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr) minmax(0, 0.9fr);
    align-items: stretch;
  }

  .page-about .ab-service__visual {
    grid-column: auto;
  }

  .page-about .ab-service__visual img {
    height: 100%;
    object-fit: cover;
  }
}