/* Session companion, using the shared Curiosity design tokens. */
.session-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 26px;
  margin-top: 28px;
  font-size: 0.85rem;
}

.session-nav a,
.session-slides figcaption {
  color: var(--deep-water);
}

.session-nav a {
  text-decoration: underline;
  text-decoration-color: var(--warm-stone);
  text-underline-offset: 5px;
}

.session-nav a:hover,
.session-nav a:focus-visible {
  color: var(--lake-blue);
  text-decoration-color: currentColor;
}

.page-environment .session-provenance {
  margin-top: 26px;
  font-size: 0.85rem;
  color: rgba(23, 23, 23, 0.64);
}

.session-scales {
  margin-top: 26px;
  border-top: 1px solid var(--warm-stone);
}

.session-scales > div {
  display: grid;
  grid-template-columns: minmax(110px, 0.28fr) minmax(0, 1fr);
  gap: 16px 28px;
  padding: 24px 0;
  border-bottom: 1px solid var(--warm-stone);
}

.session-scales dt {
  color: var(--deep-water);
  font-weight: 500;
}

.session-scales dd {
  margin: 0;
  line-height: 1.65;
}

.session-slides {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--pad) clamp(44px, 6vw, 68px);
}

.session-slides-heading {
  padding-top: clamp(32px, 5vw, 48px);
  border-top: 1px solid var(--warm-stone);
}

.session-slides h2 {
  color: var(--deep-water);
  font-size: clamp(1.76rem, 2.55vw, 2.24rem);
  line-height: 1.08;
}

.session-slides-heading p {
  margin: 16px 0 24px;
}

.session-slides figure {
  margin: 0;
}

.session-deck-frame {
  aspect-ratio: 16 / 9;
  border: 1px solid var(--warm-stone);
  background: var(--deep-water);
}

.session-deck-frame iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.session-slides figcaption {
  max-width: 760px;
  margin-top: 14px;
  font-size: 0.8rem;
  line-height: 1.6;
}

.session-deck-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 30px;
  margin-top: 22px;
  font-size: 0.88rem;
}

.session-sources {
  padding-top: 1px;
}

.session-sources h2 {
  margin-top: 0;
}

.page-environment [id] {
  scroll-margin-top: 28px;
}

.session-skip-link {
  position: absolute;
  left: 16px;
  top: -120px;
  z-index: 10;
  padding: 12px 18px;
  background: var(--deep-water);
  color: var(--warm-paper);
}

.session-skip-link:focus {
  top: 16px;
}

.session-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-environment a:focus-visible,
.session-deck-frame:focus-within {
  outline: 2px solid var(--lake-blue);
  outline-offset: 5px;
}

@media (max-width: 560px) {
  .session-scales > div {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .session-deck-links {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media print {
  .session-nav,
  .session-skip-link,
  .session-deck-frame {
    display: none;
  }
}

/* Citation details share the existing article list and heading styles. */
.session-sources .source-note,
.session-sources .source-report-note {
  color: rgba(23, 23, 23, 0.68);
  font-size: 0.85rem;
}

.session-sources .source-note {
  display: block;
  margin-top: 4px;
}

.water-explainer {
  margin-top: 30px;
}

.water-explainer p {
  margin: 16px 0;
  font-size: 0.9rem;
  line-height: 1.65;
}

.water-explainer iframe {
  display: block;
  width: 100%;
  height: clamp(360px, 52vw, 540px);
  border: 1px solid var(--warm-stone);
}

.water-explainer iframe:focus-visible {
  outline: 2px solid var(--lake-blue);
  outline-offset: 5px;
}

@media print {
  .water-explainer iframe {
    display: none;
  }
}