.research-article {
  max-width: 940px;
}

.research-article .article-header {
  max-width: 860px;
}

.research-article .article-header h1 {
  font-size: clamp(38px, 6.2vw, 64px);
  line-height: 1.08;
}

.article-deck {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2.3vw, 22px);
  line-height: 1.65;
}

.article-hero {

  overflow: hidden;

  margin: 34px 0 38px;

  border: 1px solid var(--border);

  border-radius: 16px;

  background: var(--surface);
  box-shadow: var(--shadow);
}

.article-hero img,
.article-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.article-figure {
  overflow: hidden;
  margin: 30px 0;
  border: 1px solid var(--border);

  border-radius: 12px;
  background: var(--surface);

  box-shadow: 0 12px 38px rgb(0 0 0 / 10%);
}

.article-figure figcaption {

  padding: 11px 14px 13px;
  border-top: 1px solid var(--border);

  color: var(--muted);
  font-size: 14px;

  line-height: 1.55;
}

.lead-note,
.scope-note,
.finding {
  margin: 26px 0;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 12px;

  background: color-mix(in srgb, var(--surface) 82%, var(--accent-soft));
}

.lead-note {
  border-left: 5px solid var(--accent);
  font-size: 19px;

  font-weight: 650;
}

.scope-note {
  border-left: 5px solid var(--accent-warm);
}

.finding strong,
.scope-note strong {

  display: block;
  margin-bottom: 7px;
  color: var(--text);
}

.term-grid,
.recommendation-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));

  gap: 14px;
  margin: 24px 0;
}

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

.term-card,
.recommendation-card {
  border: 1px solid var(--border);
  border-radius: 12px;

  padding: 17px;
  background: var(--surface);
}

.term-card h3,
.recommendation-card h3,
.article-content h3 {
  margin: 0 0 8px;

  font-size: 19px;
  line-height: 1.4;
}

.term-card p,

.recommendation-card p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.table-scroll {
  max-width: 100%;
  overflow-x: auto;
  margin: 24px 0;

}

.table-scroll table {
  min-width: 760px;
  margin: 0;

}

.status {
  display: inline-flex;
  align-items: center;

  white-space: nowrap;

  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 13px;
  font-weight: 850;
}

.status-observed {
  border-color: color-mix(in srgb, var(--accent) 60%, var(--border));
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.status-blocked {
  border-color: color-mix(in srgb, var(--accent-warm) 60%, var(--border));
  background: var(--accent-warm-soft);

  color: color-mix(in srgb, var(--accent-warm) 75%, var(--text));
}

.status-na {
  background: var(--surface-muted);
  color: var(--muted);

}

.reference-list li {
  padding-left: 4px;
}

.reference-list a {
  overflow-wrap: anywhere;
}

.article-content .inline-code {
  border: 1px solid var(--border);
  border-radius: 5px;

  padding: 0.1em 0.35em;

  background: var(--surface-muted);
  color: var(--text);
  font-size: 0.88em;
  font-weight: 750;
}

@media (max-width: 760px) {

  .research-article {
    padding-top: 46px;
  }

  .research-article .article-header h1 {
    font-size: clamp(32px, 10vw, 45px);

  }

  .term-grid,
  .recommendation-grid {
    grid-template-columns: 1fr;
  }

  .article-hero,

  .article-figure {

    border-radius: 9px;
  }
}

/* Evidence layouts */

.article-figure.is-narrow {
  max-width: 680px;

  margin-right: auto;
  margin-left: auto;
}

.evidence-grid {
  display: grid;

  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
  margin: 28px 0;

}

.evidence-grid .article-figure {
  margin: 0;
}

@media (max-width: 760px) {
  .evidence-grid {
    grid-template-columns: 1fr;
  }

}

/* Grouped MDE evidence */
.evidence-group {
  margin: 30px 0 36px;
}

.evidence-group__title {
  margin: 0 0 14px;

  color: var(--muted);
  font-size: 15px;

  font-weight: 850;
  letter-spacing: 0.02em;
}

.evidence-card {
  display: flex;
  height: 100%;
  flex-direction: column;
}

.evidence-card figcaption {

  flex: 1 1 auto;
}

.evidence-image-link {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: color-mix(in srgb, var(--surface-elevated) 88%, var(--border));
}

.evidence-image-link:hover img {

  transform: scale(1.01);
}

.evidence-image-link img {
  transition: transform 160ms ease;
}

.evidence-grid--controls {
  align-items: stretch;
}

.evidence-grid--controls .evidence-image-link {

  height: clamp(320px, 36vw, 420px);
}

.evidence-grid--controls .evidence-image-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.evidence-grid--telemetry {
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.45fr);
  align-items: stretch;

}

.evidence-grid--telemetry .evidence-image-link {
  min-height: 390px;
  padding: 10px;
}

.evidence-grid--telemetry .evidence-image-link img {
  width: 100%;
  max-height: 430px;
  object-fit: contain;

}

@media (max-width: 760px) {
  .evidence-grid--telemetry {
    grid-template-columns: 1fr;
  }

  .evidence-grid--controls .evidence-image-link {

    height: auto;
  }

  .evidence-grid--controls .evidence-image-link img {
    height: auto;
    object-fit: contain;

  }

  .evidence-grid--telemetry .evidence-image-link {
    min-height: 0;

    padding: 0;
  }

  .evidence-grid--telemetry .evidence-image-link img {
    max-height: none;
  }

}

/* Clickable video hero */

.article-hero__link {
  position: relative;
  display: block;
  overflow: hidden;

  color: inherit;
}

.article-hero__link img {
  transition: transform 180ms ease, filter 180ms ease;
}

.article-hero__play {
  position: absolute;
  right: clamp(14px, 2.4vw, 28px);

  bottom: clamp(14px, 2.4vw, 28px);
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 9px 14px;
  border: 1px solid rgb(255 255 255 / 35%);
  border-radius: 9px;
  background: rgb(8 12 18 / 82%);

  color: #fff;
  font-size: clamp(14px, 1.5vw, 17px);
  font-weight: 850;
  letter-spacing: 0.01em;
  box-shadow: 0 8px 28px rgb(0 0 0 / 28%);
  backdrop-filter: blur(8px);

  transition: background 180ms ease, transform 180ms ease;
}

.article-hero__link:hover img {
  filter: brightness(0.94);
  transform: scale(1.008);
}

.article-hero__link:hover .article-hero__play {

  background: var(--accent);
  transform: translateY(-2px);
}

.article-hero__link:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

@media (max-width: 560px) {

  .article-hero__play {
    right: 10px;
    bottom: 10px;
    min-height: 36px;
    padding: 7px 10px;

    border-radius: 7px;
    font-size: 13px;
  }
}

.video-intro {
  margin: 0 0 28px;
  padding: 14px 16px;

  border-left: 3px solid var(--accent);
  border-radius: 0 9px 9px 0;
  background: var(--accent-soft);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

/* Article image lightbox */
.article-figure img.is-previewable,
.evidence-image-link.image-preview-trigger {
  cursor: zoom-in;
}

.article-figure img.is-previewable {
  transition: filter 160ms ease, transform 160ms ease;
}

.article-figure img.is-previewable:hover {
  filter: brightness(0.96);
  transform: scale(1.01);
}

.image-lightbox {
  max-width: min(96vw, 1680px);
  max-height: 96vh;
  margin: auto;
  padding: 0;
  border: 0;
  background: transparent;
  color: #fff;
  overflow: visible;
}

.image-lightbox::backdrop {
  background: rgb(2 6 12 / 86%);
  backdrop-filter: blur(5px);
}

.image-lightbox__panel {
  position: relative;
  display: flex;
  max-width: 96vw;
  max-height: 94vh;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
  border: 1px solid rgb(255 255 255 / 16%);
  border-radius: 12px;
  background: #080b10;
  box-shadow: 0 24px 80px rgb(0 0 0 / 55%);
}

.image-lightbox__image {
  display: block;
  width: auto;
  max-width: 94vw;
  height: auto;

  max-height: 82vh;
  object-fit: contain;
}

.image-lightbox__caption {
  width: 100%;
  max-width: 1200px;
  margin: 0;
  padding: 12px 52px 14px 16px;
  color: rgb(255 255 255 / 78%);
  font-size: 14px;
  line-height: 1.55;
}

.image-lightbox__caption:empty {
  display: none;
}

.image-lightbox__close {
  position: absolute;
  z-index: 2;
  top: 10px;
  right: 10px;
  display: grid;
  width: 38px;

  height: 38px;
  place-items: center;
  border: 1px solid rgb(255 255 255 / 26%);
  border-radius: 50%;
  background: rgb(0 0 0 / 72%);
  color: #fff;
  cursor: pointer;
  font: 700 24px/1 system-ui, sans-serif;
}

.image-lightbox__close:hover,
.image-lightbox__close:focus-visible {
  border-color: #fff;
  background: var(--accent);
  outline: none;
}

body.image-lightbox-open {
  overflow: hidden;
}

@media (max-width: 560px) {
  .image-lightbox__panel {
    border-radius: 8px;
  }

  .image-lightbox__image {
    max-height: 78vh;
  }

  .image-lightbox__caption {
    padding: 10px 44px 12px 12px;
    font-size: 13px;
  }

  .image-lightbox__close {
    top: 7px;
    right: 7px;
    width: 34px;
    height: 34px;
  }
}