.brand-mark {
  display: block;
  font-size: 1.15rem;
  color: var(--accent);
  font-style: italic;
}

.screen {
  display: grid;
  gap: 24px;
}

.screen-simulator {
  gap: 0;
}

.simulator-app-frame {
  display: grid;
  grid-template-columns: 182px minmax(0, 1fr);
  background: transparent;
}

.simulator-rail {
  display: grid;
  align-content: start;
  gap: 18px;
  min-height: calc(100vh - 138px);
  padding: 18px 14px 16px;
  background: rgba(26, 27, 31, 0.96);
  border-right: 1px solid rgba(255, 255, 255, 0.04);
}

.rail-profile {
  display: flex;
  gap: 12px;
  align-items: start;
  padding: 6px 8px 14px;
}

.rail-profile strong {
  display: block;
  font-family: var(--font-body);
  font-size: 0.96rem;
}

.rail-profile span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.82rem;
}

.rail-avatar {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: linear-gradient(180deg, #23647e, #1b4252);
  color: #cfe9f4;
  font-size: 0.8rem;
}

.rail-nav {
  display: grid;
  gap: 8px;
}

.rail-nav a {
  display: flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  color: #9ea4ab;
  border-left: 3px solid transparent;
  border-radius: 4px;
}

.rail-nav a.is-active,
.rail-nav a:hover {
  color: #dbe7ed;
  background: rgba(255, 255, 255, 0.05);
  border-left-color: var(--accent-strong);
}

.rail-cta {
  margin-top: auto;
  display: grid;
  place-items: center;
  min-height: 54px;
  border-radius: 4px;
  background: linear-gradient(180deg, #205e77, #1c4b5f);
  color: #d9eef9;
  font-weight: 600;
}

.rail-meta {
  display: flex;
  justify-content: space-around;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--muted);
  font-size: 0.76rem;
}

.simulator-stage {
  padding: 24px 22px 0;
}

.simulator-heading {
  margin-bottom: 20px;
}

.simulator-heading h1 {
  margin-bottom: 12px;
  font-size: clamp(3.2rem, 4.8vw, 4.9rem);
  line-height: 0.94;
}

.simulator-purpose {
  max-width: 82ch;
  margin: 0 0 16px;
  font-size: 1rem;
}

.condition-explanation {
  max-width: 88ch;
  margin: 12px 0 0;
  padding: 12px 14px;
  border-left: 3px solid #cb6662;
  background: rgba(120, 41, 44, 0.13);
  font-size: 0.86rem;
}

.condition-explanation a {
  color: #c5e8f7;
  text-decoration: underline;
  text-underline-offset: 0.12em;
}

.simulator-heading-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.controls-panel {
  position: sticky;
  top: 24px;
  border-radius: 10px;
}

.metrics-column {
  position: sticky;
  top: 24px;
}

.metrics-introduction {
  margin-bottom: 14px;
  padding: 2px 4px;
}

.metrics-introduction h2 {
  margin-bottom: 8px;
  color: var(--accent);
  font-family: var(--font-body);
  font-size: 1.05rem;
  letter-spacing: 0;
}

.metrics-introduction p {
  margin-bottom: 0;
  font-size: 0.84rem;
}

.geography-priority-grid .geography-card {
  min-height: 0;
}

.geography-main-grid {
  align-items: start;
}

.simulator-controls-panel,
.simulator-results-panel {
  min-height: 0;
}

.simulator-controls-panel h2,
.projection-heading h2 {
  font-size: 1.05rem;
  color: var(--accent);
}

.projection-heading p {
  margin-bottom: 0;
  font-size: 0.92rem;
}

.simulator-notes {
  margin-top: 16px;
}

.simulator-footer-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 0 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
}

.footer-action-primary {
  background: linear-gradient(180deg, #e0aa52, #d39844);
  color: #241b0b;
}

.footer-note {
  margin-left: auto;
  max-width: 520px;
  font-size: 0.82rem;
  font-style: italic;
  text-align: right;
}

.geography-summary,
.screen-sources > .section-heading,
.screen-about > .section-heading {
  padding-top: 8px;
}

.geography-card,
.evidence-class {
  min-height: 220px;
}

@media (max-width: 1100px) {
  .simulator-app-frame {
    grid-template-columns: 1fr;
  }

  .simulator-rail {
    min-height: 0;
    grid-template-columns: 1fr;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .simulator-stage {
    padding-left: 0;
    padding-right: 0;
  }

  .simulator-footer-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-note {
    margin-left: 0;
    text-align: left;
  }
}