.site-nav a.is-active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.14);
}

.research-page {
  background: #f5f9fc;
}

.research-hero {
  position: relative;
  min-height: 500px;
  overflow: hidden;
  border-bottom: 1px solid #d7e3ed;
  background: #eff6fb;
}

.research-hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.research-hero-inner {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 500px;
  padding-top: 58px;
  padding-bottom: 58px;
}

.research-hero-copy {
  width: min(560px, 58%);
}

.research-hero .eyebrow {
  color: #0c6d82;
}

.research-hero h1 {
  max-width: 520px;
  margin-bottom: 16px;
  color: #0c2946;
  font-size: 48px;
}

.research-hero-lead {
  max-width: 510px;
  margin-bottom: 26px;
  color: #35566f;
  font-size: 17px;
}

.research-hero .button-primary {
  background: #1767ad;
  box-shadow: none;
}

.research-intro {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: 70px;
  padding-top: 78px;
  padding-bottom: 78px;
}

.section-kicker h2,
.research-heading h2,
.method-copy h2,
.research-boundary h2,
.research-contact h2 {
  margin-bottom: 0;
}

.intro-copy {
  display: grid;
  gap: 18px;
  color: #486276;
  font-size: 16px;
}

.intro-copy p {
  margin: 0;
}

.research-band {
  border-top: 1px solid #dce7ee;
  border-bottom: 1px solid #dce7ee;
  background: #eaf4f8;
}

.research-band-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr);
  gap: 80px;
  align-items: center;
  padding-top: 48px;
  padding-bottom: 48px;
}

.research-band h2 {
  margin-bottom: 0;
  font-size: 28px;
}

.research-band-grid > p {
  margin: 0;
  color: #426378;
  font-size: 16px;
}

.research-findings {
  padding-top: 82px;
  padding-bottom: 88px;
}

.research-heading {
  max-width: 720px;
}

.research-heading > p:last-child {
  margin-bottom: 0;
  color: #5b7283;
}

.finding-layer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 34px 0 18px;
}

.layer-panel,
.sample-card,
.challenge-grid article,
.path-grid article {
  border: 1px solid #d8e4eb;
  border-radius: 8px;
  background: #ffffff;
}

.layer-panel {
  position: relative;
  min-height: 184px;
  padding: 28px 32px 26px 92px;
}

.layer-number {
  position: absolute;
  top: 28px;
  left: 30px;
  color: #1767ad;
  font-size: 25px;
  font-weight: 800;
}

.layer-control .layer-number {
  color: #b66a13;
}

.layer-panel h3 {
  margin-bottom: 8px;
  font-size: 22px;
}

.layer-panel p,
.sample-card p,
.challenge-grid p,
.path-grid p {
  margin-bottom: 0;
  color: #5b7283;
}

.sample-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid #d8e4eb;
  border-left: 1px solid #d8e4eb;
}

.sample-card {
  min-height: 236px;
  padding: 24px;
  border-top: 0;
  border-left: 0;
  border-radius: 0;
}

.sample-card > span,
.path-grid article > span {
  display: inline-block;
  margin-bottom: 18px;
  color: #1767ad;
  font-size: 13px;
  font-weight: 800;
}

.sample-card h3 {
  margin-bottom: 8px;
}

.sample-card code {
  display: block;
  margin-top: 18px;
  overflow-wrap: anywhere;
  color: #0c6d82;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 12px;
}

.location-note {
  margin: 18px 0 0;
  color: #6a7e8d;
  font-size: 13px;
}

.research-challenges {
  padding-top: 78px;
  padding-bottom: 82px;
  border-top: 1px solid #dce7ee;
  border-bottom: 1px solid #dce7ee;
  background: #edf5f7;
}

.challenge-grid,
.path-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.challenge-grid article,
.path-grid article {
  min-height: 204px;
  padding: 24px;
}

.challenge-grid h3,
.path-grid h3 {
  margin-bottom: 10px;
  font-size: 17px;
}

.method-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) minmax(0, 1.2fr);
  gap: 72px;
  align-items: center;
  padding-top: 84px;
  padding-bottom: 84px;
}

.method-copy p:last-child {
  margin: 16px 0 0;
  color: #5b7283;
}

.state-chain {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid #cfdee8;
  background: #ffffff;
}

.state-chain li {
  position: relative;
  min-height: 178px;
  padding: 23px 18px;
  border-right: 1px solid #cfdee8;
}

.state-chain li:last-child {
  border-right: 0;
}

.state-chain strong,
.state-chain span {
  display: block;
}

.state-chain strong {
  margin-bottom: 12px;
  color: #0c416d;
  font-size: 16px;
}

.state-chain span {
  color: #6a7e8d;
  font-size: 13px;
  line-height: 1.55;
}

.state-chain li:nth-child(2) strong { color: #0c6d82; }
.state-chain li:nth-child(3) strong { color: #4d6d2e; }
.state-chain li:nth-child(4) strong { color: #9b641d; }
.state-chain li:nth-child(5) strong { color: #9d4337; }

.myhex-research-path {
  padding-top: 78px;
  padding-bottom: 84px;
  border-top: 1px solid #dce7ee;
  background: #f7fbfd;
}

.path-grid article {
  background: #ffffff;
}

.path-grid article > span {
  margin-bottom: 10px;
  color: #b66a13;
}

.research-boundary {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr);
  gap: 64px;
  align-items: center;
  margin-top: 80px;
  margin-bottom: 80px;
  padding: 36px 40px;
  border-left: 4px solid #d5862e;
  background: #fff8ed;
}

.research-boundary > p {
  margin: 0;
  color: #61543f;
}

.research-contact {
  border-top: 1px solid #d7e3ed;
  background: #e7f2f8;
}

.research-contact-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding-top: 46px;
  padding-bottom: 46px;
}

.research-contact .button-primary {
  flex: 0 0 auto;
  background: #1767ad;
  box-shadow: none;
}

@media (max-width: 900px) {
  .research-hero,
  .research-hero-inner {
    min-height: 470px;
  }

  .research-hero-image {
    object-position: 60% center;
    opacity: 0.72;
  }

  .research-hero-copy {
    width: min(560px, 72%);
  }

  .research-intro,
  .research-band-grid,
  .method-section,
  .research-boundary {
    gap: 38px;
  }

  .challenge-grid,
  .path-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .state-chain {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .state-chain li:nth-child(3) {
    border-right: 0;
  }

  .state-chain li:nth-child(-n + 3) {
    border-bottom: 1px solid #cfdee8;
  }
}

@media (max-width: 680px) {
  .research-hero,
  .research-hero-inner {
    min-height: 480px;
  }

  .research-hero-image {
    object-position: 62% center;
    opacity: 0.35;
  }

  .research-hero-inner {
    align-items: flex-start;
    padding-top: 64px;
  }

  .research-hero-copy {
    width: 100%;
  }

  .research-hero h1 {
    font-size: 37px;
  }

  .research-hero-lead {
    font-size: 16px;
  }

  .research-intro,
  .research-band-grid,
  .method-section,
  .research-boundary {
    grid-template-columns: 1fr;
  }

  .research-intro,
  .research-findings,
  .research-challenges,
  .method-section,
  .myhex-research-path {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .finding-layer-grid,
  .sample-grid,
  .challenge-grid,
  .path-grid,
  .state-chain {
    grid-template-columns: 1fr;
  }

  .layer-panel {
    min-height: 0;
  }

  .sample-grid {
    border-right: 1px solid #d8e4eb;
  }

  .sample-card {
    min-height: 0;
    border-right: 0;
    border-bottom: 0;
  }

  .sample-card:last-child {
    border-bottom: 1px solid #d8e4eb;
  }

  .challenge-grid article,
  .path-grid article {
    min-height: 0;
  }

  .state-chain li,
  .state-chain li:nth-child(3) {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid #cfdee8;
  }

  .state-chain li:last-child {
    border-bottom: 0;
  }

  .research-boundary {
    margin-top: 56px;
    margin-bottom: 56px;
    padding: 28px 24px;
  }

  .research-contact-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}