.page-about {
  background: var(--snow);
  color: var(--ink);
  font-family: var(--body);
}

.page-about .story-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--pad) * 1.5) 0 calc(var(--pad) * 1.75);
  background: linear-gradient(130deg, rgba(168, 200, 232, 0.16) 0%, rgba(244, 247, 250, 0) 46%), var(--snow);
}

.page-about .story-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -18%;
  width: 62%;
  height: 100%;
  background: linear-gradient(160deg, var(--lake), rgba(168, 200, 232, 0.4));
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
  z-index: 0;
  pointer-events: none;
}

.page-about .story-hero__wrap {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-about .story-hero__kicker,
.page-about .section-kicker {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  margin: 0 0 0.75rem;
}

.page-about .section-kicker--light {
  color: var(--sand);
}

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

.page-about .story-hero__title {
  margin: 0 0 1.25rem;
  font-size: clamp(2.1rem, 7.5vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 12ch;
}

.page-about .story-hero__lead {
  margin: 0 0 1.75rem;
  font-size: clamp(1rem, 2vw, 1.18rem);
  line-height: 1.8;
  color: var(--ink);
  max-width: 62ch;
}

.page-about .story-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  width: 100%;
}

.page-about .hero-stat {
  background: #fff;
  border-left: 3px solid var(--orange);
  padding: 0.85rem 1rem;
  box-shadow: 0 10px 28px rgba(13, 27, 42, 0.08);
}

.page-about .hero-stat__num {
  display: block;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.9rem;
  line-height: 1.1;
  color: var(--ink);
}

.page-about .hero-stat__label {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--gray);
}

.page-about .story-hero__media {
  margin: 0;
  background: rgba(255, 255, 255, 0.65);
  padding: 0.65rem;
  box-shadow: 0 28px 70px rgba(13, 27, 42, 0.15);
}

.page-about .story-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 2px;
}

.page-about .breadcrumb {
  background: var(--snow);
  padding: 1.25rem 0 0.25rem;
}

.page-about .breadcrumb-list {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--gray);
}

.page-about .breadcrumb-link {
  color: var(--blue);
  font-weight: 600;
  text-decoration: none;
}

.page-about .breadcrumb-current {
  color: var(--gray);
}

.page-about .story-vision {
  padding: clamp(3rem, 8vw, 6rem) 0;
}

.page-about .story-vision__wrap {
  display: grid;
  gap: 2rem;
}

.page-about .story-vision__side {
  position: relative;
}

.page-about .story-vision__side::after {
  content: "01";
  position: absolute;
  right: 0;
  top: -1.2rem;
  font-family: var(--mono);
  font-weight: 800;
  font-size: clamp(3.5rem, 10vw, 7rem);
  line-height: 1;
  color: var(--lake);
  opacity: 0.45;
  pointer-events: none;
  z-index: 0;
}

.page-about .story-vision__side .section-kicker,
.page-about .story-vision__side .section-title {
  position: relative;
  z-index: 1;
}

.page-about .story-vision__content p {
  margin: 0 0 1.25rem;
  line-height: 1.85;
}

.page-about .story-vision__quote {
  margin: 1.75rem 0 0;
  padding: 1.25rem 1.5rem;
  background: #fff;
  border-left: 3px solid var(--sand);
  box-shadow: 0 14px 40px rgba(13, 27, 42, 0.08);
}

.page-about .story-vision__quote p {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.8;
}

.page-about .story-mountains {
  display: block;
  width: 100%;
  height: clamp(110px, 20vw, 250px);
  pointer-events: none;
  animation: page-about-mountain-drift 9s infinite alternate;
}

@keyframes page-about-mountain-drift {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(-10px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .story-mountains {
    animation: none;
  }
}

.page-about .story-timeline {
  background: linear-gradient(152deg, var(--ink) 0%, var(--blue) 135%);
  padding: 0 0 calc(var(--pad) * 1.5);
}

.page-about .story-timeline__wrap {
  display: grid;
  gap: 1.75rem;
  padding-top: 1rem;
}

.page-about .timeline-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  scrollbar-width: thin;
  scrollbar-color: var(--sand) rgba(255, 255, 255, 0.08);
}

.page-about .timeline-list::-webkit-scrollbar {
  height: 8px;
}

.page-about .timeline-list::-webkit-scrollbar-thumb {
  background: var(--sand);
  border-radius: 4px;
}

.page-about .timeline-item {
  background: rgba(255, 255, 255, 0.055);
  padding: 1.5rem 1.4rem;
  border-top: 3px solid var(--orange);
  position: relative;
}

.page-about .timeline-item:nth-child(2) {
  border-top-color: var(--sand);
}

.page-about .timeline-item:nth-child(3) {
  border-top-color: var(--green);
}

.page-about .timeline-item:nth-child(4) {
  border-top-color: var(--lake);
}

.page-about .timeline-item__num {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 2.2rem;
  line-height: 1;
  color: var(--orange);
  display: block;
  margin-bottom: 0.8rem;
}

.page-about .timeline-item h3 {
  color: var(--snow);
  margin: 0 0 0.6rem;
  font-size: 1.12rem;
  line-height: 1.3;
}

.page-about .timeline-item p {
  color: rgba(255, 255, 255, 0.78);
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-about .timeline-item__detail {
  margin-top: 1rem;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.page-about .timeline-item__detail summary {
  cursor: pointer;
  color: var(--lake);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

.page-about .timeline-item__detail p {
  margin-top: 0.7rem;
  font-size: 0.88rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.72);
}

.page-about .story-principles {
  padding: calc(var(--pad) * 1.75) 0;
}

.page-about .story-principles__intro {
  max-width: 42rem;
  margin-bottom: 2rem;
}

.page-about .story-principles__intro p:not(.section-kicker) {
  color: var(--gray);
  line-height: 1.8;
}

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

.page-about .principle-card {
  background: #fff;
  padding: 1.6rem 1.5rem 1.8rem;
  box-shadow: 0 14px 40px rgba(13, 27, 42, 0.07);
  border-top: 4px solid var(--lake);
}

.page-about .principle-card:nth-child(2) {
  border-top-color: var(--green);
}

.page-about .principle-card:nth-child(3) {
  border-top-color: var(--sand);
}

.page-about .principle-card:nth-child(4) {
  border-top-color: var(--orange);
}

.page-about .principle-card__num {
  font-family: var(--mono);
  font-weight: 700;
  color: var(--orange);
  display: block;
  margin-bottom: 0.8rem;
}

.page-about .principle-card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.2rem;
}

.page-about .principle-card p {
  margin: 0;
  color: var(--gray);
  line-height: 1.75;
  font-size: 0.95rem;
}

.page-about .story-path {
  background: var(--lake);
  padding: calc(var(--pad) * 1.5) 0;
}

.page-about .story-path__wrap {
  display: grid;
  gap: 1.75rem;
  align-items: center;
}

.page-about .story-path__media {
  margin: 0;
  box-shadow: 0 24px 60px rgba(13, 27, 42, 0.18);
}

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

.page-about .story-path__note {
  background: rgba(255, 255, 255, 0.62);
  padding: 1.5rem 1.75rem;
  box-shadow: 0 14px 40px rgba(13, 27, 42, 0.08);
}

.page-about .story-path__note p:not(.section-kicker) {
  margin: 0.75rem 0 0;
  line-height: 1.8;
}

.page-about .story-origin {
  position: relative;
  background: linear-gradient(135deg, var(--green) 0%, var(--blue) 115%);
  color: var(--snow);
  padding: calc(var(--pad) * 1.75) 0;
  overflow: hidden;
}

.page-about .story-origin::after {
  content: "QH";
  position: absolute;
  bottom: -1.5rem;
  right: -1rem;
  font-family: var(--mono);
  font-weight: 800;
  font-size: clamp(6rem, 16vw, 12rem);
  line-height: 1;
  color: rgba(255, 255, 255, 0.07);
  pointer-events: none;
  z-index: 0;
}

.page-about .story-origin__wrap {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem;
  align-items: center;
}

.page-about .story-origin__copy p:not(.section-kicker) {
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.85;
  margin: 0 0 1rem;
}

.page-about .story-origin__media {
  margin: 0;
  box-shadow: 0 30px 80px rgba(13, 27, 42, 0.4);
}

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

.page-about .story-more {
  padding: calc(var(--pad) * 1.5) 0 calc(var(--pad) * 2);
}

.page-about .story-more__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.page-about .story-more__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--ink);
  color: var(--snow);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.8rem 1.2rem;
  border-radius: 3px;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-about .story-more__link:hover {
  background: var(--orange);
  transform: translateY(-2px);
}

@media (min-width: 760px) {
  .page-about .principles-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .story-hero__wrap {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }

  .page-about .story-vision__wrap {
    grid-template-columns: 300px 1fr;
    gap: 3.5rem;
  }

  .page-about .story-timeline__wrap {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 2.5rem;
    align-items: start;
    padding-top: 1.5rem;
  }

  .page-about .story-timeline__head {
    position: sticky;
    top: 2rem;
  }

  .page-about .timeline-list {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(290px, 1fr);
    gap: 1.5rem;
    overflow-x: auto;
    padding-bottom: 1rem;
    scroll-snap-type: x proximity;
  }

  .page-about .timeline-item {
    scroll-snap-align: start;
    height: 100%;
  }

  .page-about .story-path__wrap {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }

  .page-about .story-origin__wrap {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3rem;
  }
}

@media (min-width: 1100px) {
  .page-about .story-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .principles-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.75rem;
  }
}