.container--narrow {
  max-width: var(--container-narrow);
}

.history-hero {
  height: calc(100vh - var(--header-height));
  height: calc(100dvh - var(--header-height));
  overflow: hidden;
  color: var(--color-white);
}

.history-hero::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 35, 62, 0.52), rgba(0, 35, 62, 0.12) 68%, transparent);
  content: "";
  pointer-events: none;
}

.history-hero__image {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 44%;
}

.history-hero__content {
  position: relative;
  z-index: 2;
  padding-top: clamp(4.5rem, 9vw, 9rem);
}

.history-hero__content h1 {
  max-width: 61rem;
  margin-bottom: var(--space-4);
  font-size: clamp(2.25rem, 4vw, 4.5rem);
}

.history-hero__lead {
  max-width: 58rem;
  font-size: clamp(0.9rem, 1.05vw, 1rem);
}

.history-intro {
  padding-block: var(--space-7);
}

.history-intro h2 {
  margin-bottom: var(--space-3);
  font-size: clamp(2rem, 3.2vw, 3.5rem);
  font-weight: 500;
}

.history-intro h2 + p {
  max-width: 49rem;
  margin-bottom: var(--space-5);
  font-size: 0.86rem;
}

.history-video {
  position: relative;
  aspect-ratio: 2466 / 1241;
  margin-block: var(--space-5);
  overflow: hidden;
  border-radius: 0.25rem;
  background: var(--color-soft-strong);
}

.history-video::after {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.08);
  content: "";
}

.history-video img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.history-video__play {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  display: grid;
  width: clamp(4.5rem, 8vw, 7rem);
  aspect-ratio: 1;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.68);
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(1.4rem, 3vw, 2.4rem);
  translate: -50% -50%;
  place-items: center;
}

.founders {
  display: grid;
  justify-items: center;
}

.founders img {
  width: min(100%, 72rem);
}

.founders blockquote {
  max-width: 58rem;
  margin: var(--space-4) auto 0;
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2vw, 2rem);
  line-height: 1.18;
  text-align: center;
}

.history-timeline {
  padding-block: var(--space-7);
}

.timeline {
  position: relative;
  display: grid;
  margin: 0;
  padding: var(--space-4) 0;
  list-style: none;
}

.timeline::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: #111;
  content: "";
  translate: -50% 0;
}

.timeline__milestone {
  position: relative;
  display: grid;
  height: clamp(12rem, 15vw, 14rem);
  grid-template-columns: minmax(0, 1fr) 7rem minmax(0, 1fr);
  align-items: center;
}

.timeline__marker {
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
  height: 100%;
  min-width: 0;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  grid-column: 2;
}

.timeline__marker span {
  position: absolute;
  top: 50%;
  left: 50%;
  display: block;
  width: 0.9rem;
  height: 0.9rem;
  border: 2px solid #111;
  border-radius: 50%;
  background: #111;
  translate: -50% -50%;
  transition:
    border-color var(--transition),
    background-color var(--transition),
    scale var(--transition);
}

.timeline__marker strong {
  position: absolute;
  top: 50%;
  left: calc(50% + 1rem);
  min-width: 4.8rem;
  font-size: 0.75rem;
  line-height: 1.15;
  text-align: left;
  text-transform: uppercase;
  translate: 0 -50%;
}

@media (min-width: 48.0625rem) {
  .timeline__milestone--future .timeline__marker strong {
    right: calc(50% + 1rem);
    left: auto;
    min-width: 7.5rem;
    text-align: right;
  }
}

.timeline__media {
  opacity: 0;
  visibility: hidden;
  transform: translateY(1rem);
  transition:
    opacity 350ms ease,
    transform 450ms cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0s linear 450ms;
}

.timeline__media {
  display: grid;
  padding-right: var(--space-4);
  grid-column: 1;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.35rem;
}

.timeline__media img {
  width: 100%;
  height: clamp(8rem, 13vw, 13rem);
  border-radius: 1.35rem;
  object-fit: cover;
}

.timeline__copy {
  padding-left: var(--space-4);
  grid-column: 3;
}

.timeline__copy h3 {
  max-width: 25rem;
  margin-bottom: var(--space-2);
  font-size: clamp(1.2rem, 1.8vw, 1.8rem);
  line-height: 1.12;
  font-weight: 500;
}

.timeline__copy p {
  max-width: 23rem;
  margin: 0;
  font-size: 0.78rem;
}

.timeline__milestone:hover .timeline__media,
.timeline__milestone:focus-within .timeline__media {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition-delay: 0s;
}

.timeline__milestone:hover .timeline__marker span,
.timeline__milestone:focus-within .timeline__marker span {
  border-color: var(--color-accent);
  background: var(--color-accent);
  scale: 1.4;
}

.bridge-story__visual {
  position: relative;
  min-height: clamp(32rem, 54vw, 55rem);
  overflow: hidden;
  color: var(--color-ink);
}

.bridge-story__visual::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.72), transparent 38%);
  content: "";
  pointer-events: none;
}

.bridge-story__visual > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 58%;
}

.bridge-stats {
  position: relative;
  z-index: 2;
  display: grid;
  padding-top: var(--space-6);
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.bridge-stats p {
  margin: 0;
  text-align: center;
}

.bridge-stats strong {
  display: block;
  margin-bottom: var(--space-2);
  font-size: clamp(2.2rem, 4vw, 4.5rem);
  line-height: 1;
  font-weight: 600;
}

.bridge-stats span {
  display: block;
  max-width: 13rem;
  margin-inline: auto;
  font-size: 0.68rem;
}

.bridge-story__name {
  position: relative;
  z-index: 2;
  margin: var(--space-4) 0 0;
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.5vw, 2.7rem);
  text-align: center;
}

.bridge-story__copy {
  display: grid;
  padding-block: var(--space-6);
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-6);
  align-items: center;
}

.bridge-story__copy h2 {
  margin-bottom: var(--space-4);
  font-size: clamp(2rem, 3.2vw, 3.5rem);
}

.bridge-story__copy p {
  max-width: 58rem;
  font-size: 0.86rem;
}

.recognition {
  padding-block: var(--space-7);
}

.recognition__layout {
  display: grid;
  margin-bottom: var(--space-6);
  grid-template-columns: minmax(12rem, 0.75fr) minmax(0, 1.25fr);
  gap: var(--space-6);
  align-items: center;
}

.recognition__layout > img {
  width: min(100%, 16rem);
  margin-inline: auto;
  mix-blend-mode: multiply;
}

.recognition__layout > div {
  text-align: center;
}

.recognition__layout h2 {
  margin-bottom: var(--space-4);
  font-size: clamp(2rem, 3.2vw, 3.5rem);
}

.recognition__layout p {
  max-width: 42rem;
  margin: 0 auto var(--space-3);
  font-size: 0.86rem;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
}

.principle-card {
  min-height: 22rem;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.principle-card:hover,
.principle-card:focus-within {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.principle-card > span {
  display: block;
  margin-bottom: var(--space-4);
  font-size: 2.2rem;
}

.principle-card .eyebrow {
  margin-bottom: var(--space-4);
}

.principle-card h3 {
  margin-bottom: var(--space-4);
  font-size: clamp(1.45rem, 2.2vw, 2.2rem);
  line-height: 1.08;
  font-weight: 500;
}

.principle-card > p:last-child {
  margin: 0;
  font-size: 0.78rem;
}

.legacy-cta {
  padding-block: var(--space-7);
}

.legacy-cta__inner {
  text-align: center;
}

.legacy-cta h2 {
  margin-bottom: var(--space-3);
  font-size: clamp(2rem, 3vw, 3.2rem);
}

.legacy-cta p {
  margin-bottom: var(--space-5);
  font-size: 0.84rem;
}

@media (max-width: 64rem) {
  .timeline__milestone {
    grid-template-columns: minmax(0, 1fr) 6rem minmax(0, 1fr);
  }

  .timeline__media {
    padding-right: var(--space-3);
  }

  .timeline__copy {
    padding-left: var(--space-3);
  }
}

@media (max-width: 48rem) {
  .history-hero::after {
    background: linear-gradient(180deg, rgba(0, 35, 62, 0.62), rgba(0, 35, 62, 0.2) 78%, transparent);
  }

  .history-hero__image {
    object-position: 58% center;
  }

  .history-hero__content {
    padding-top: var(--space-6);
  }

  .founders blockquote {
    font-size: 1.35rem;
  }

  .timeline {
    gap: var(--space-4);
  }

  .timeline::before {
    top: 0;
    bottom: 0;
    left: 0.45rem;
    translate: 0;
  }

  .timeline__milestone,
  .timeline__milestone:hover,
  .timeline__milestone:focus-within {
    display: grid;
    height: auto;
    min-height: 0;
    padding-left: 2.4rem;
    grid-template-columns: 1fr;
    gap: 0.125rem;
  }

  .timeline__marker {
    position: relative;
    top: auto;
    left: -2.4rem;
    display: grid;
    width: max-content;
    max-width: calc(100% + 2.4rem);
    height: auto;
    margin-bottom: 0.5rem;
    padding: 0;
    grid-column: 1;
    grid-row: 1;
    grid-template-columns: 0.9rem max-content;
    column-gap: 0.65rem;
    justify-items: start;
  }

  .timeline__marker strong {
    position: static;
    min-width: 0;
    font-size: calc(0.75rem + 4px);
    translate: none;
  }

  .timeline__marker span {
    position: static;
    translate: none;
  }

  .timeline__media,
  .timeline__copy,
  .timeline__milestone:hover .timeline__media,
  .timeline__milestone:hover .timeline__copy,
  .timeline__milestone:focus-within .timeline__media,
  .timeline__milestone:focus-within .timeline__copy {
    max-height: none;
    padding: 0;
    overflow: visible;
    opacity: 1;
    visibility: visible;
    transform: none;
    grid-column: 1;
  }

  .timeline__media {
    grid-row: 2;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.4rem;
  }

  .timeline__copy {
    grid-row: 3;
  }

  .timeline__media img {
    height: clamp(5.5rem, 24vw, 7.5rem);
    border-radius: 0.75rem;
  }

  .timeline__copy h3 {
    padding-top: 0.35rem;
  }

  .bridge-stats,
  .recognition__layout,
  .principles-grid,
  .bridge-story__copy {
    grid-template-columns: 1fr;
  }

  .bridge-story__visual {
    min-height: 44rem;
  }

  .bridge-stats {
    gap: var(--space-3);
  }

  .bridge-story__copy .button {
    width: 100%;
  }

  .recognition__layout {
    text-align: center;
  }

  .principle-card {
    min-height: 18rem;
  }

  .legacy-cta .button-row,
  .legacy-cta .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .timeline__media {
    transition: none;
  }
}