/* Blog index ---------------------------------------------------------------- */

.blog-index-identity {
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.blog-index {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}

.page__content .blog-card {
  display: grid;
  grid-template-columns: minmax(13rem, 0.72fr) minmax(0, 1.28fr);
  min-height: 18rem;
  margin: 0;
  border-color: var(--global-border-color) !important;
  border-top: 3px solid var(--global-accent-color) !important;
}

.blog-card__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  padding: clamp(1.25rem, 3vw, 2rem);
  border-right: 1px solid var(--global-border-color);
  background: #fff;
}

.blog-card__visual img {
  display: block;
  width: min(100%, 17rem);
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
}

.page__content .blog-card > .blog-card__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: clamp(1.25rem, 3vw, 2rem);
}

.blog-card__eyebrow {
  margin-bottom: 0.55rem;
  color: var(--global-accent-color);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1.4;
  text-transform: uppercase;
}

.page__content .blog-card .card-title {
  margin: 0 0 0.85rem;
  font-size: clamp(1.35rem, 2.4vw, 1.8rem);
  line-height: 1.2;
}

.page__content .blog-card .card-text {
  max-width: 65ch;
  margin-bottom: 1.4rem;
  font-size: clamp(0.94rem, 1.3vw, 1rem);
  line-height: 1.7;
}

.page__content .blog-card .blog-card__link {
  display: inline-flex;
  gap: 0.6rem;
  align-items: center;
  margin-top: auto;
  border-radius: 0;
  font-weight: 700;
  text-decoration: none;
}

.blog-card__link .bi {
  font-size: 1rem;
  transition: transform 0.2s ease-in-out;
}

.blog-card__link:hover .bi,
.blog-card__link:focus-visible .bi {
  transform: translateX(0.2rem);
}

@media (max-width: 47.99em) {
  .page__content .blog-card {
    grid-template-columns: 1fr;
  }

  .blog-card__visual {
    min-height: 14rem;
    border-right: 0;
    border-bottom: 1px solid var(--global-border-color);
  }

  .blog-card__visual img {
    width: min(72vw, 15rem);
  }
}

/* Interactive article layout ------------------------------------------------ */

.chaos-blog {
  width: 100%;
  color: var(--global-text-color);
}

.chaos-blog .identity {
  gap: 0.35rem;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
  padding: clamp(1rem, 2.5vw, 1.5rem) clamp(1rem, 3vw, 1.75rem);
  border: 1px solid var(--global-border-color);
  border-left: 0.35rem solid var(--global-accent-color);
  background: var(--global-bg-color) !important;
}

.chaos-blog .identity h1 {
  max-width: 32ch;
  margin: 0;
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.chaos-blog .identity br {
  display: none;
}

.chaos-blog .identity h6 {
  margin: 0.2rem 0 0;
  color: var(--global-muted-text-color);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.5;
  text-transform: uppercase;
}

.chaos-blog > .content {
  width: 100%;
  padding: 0;
}

.chaos-blog .blog {
  font-size: clamp(0.96rem, 1.3vw, 1.05rem);
  line-height: 1.75;
}

.chaos-blog .blog > h4,
.chaos-blog .blog > h5 {
  margin-top: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 0.8rem;
  line-height: 1.25;
}

.chaos-blog .blog > h5 {
  padding-top: 0.75rem;
  border-top: 3px solid var(--global-accent-color);
  font-size: clamp(1.2rem, 2.1vw, 1.55rem);
}

.chaos-blog .seasonality {
  color: #3c8d52;
  font-weight: 700;
}

.chaos-blog .cost-optimal {
  color: #b64d4d;
  font-weight: 700;
}

.chaos-blog .mitigation {
  color: #466f9f;
  font-weight: 700;
}

.chaos-blog .mitigation-costs {
  color: #568b28;
  font-weight: 700;
}

.chaos-blog .infection-costs {
  color: #8553b7;
  font-weight: 700;
}

html[data-theme="dark"] .chaos-blog .seasonality {
  color: #68c982;
}

html[data-theme="dark"] .chaos-blog .cost-optimal {
  color: #e17d7d;
}

html[data-theme="dark"] .chaos-blog .mitigation {
  color: #83addd;
}

html[data-theme="dark"] .chaos-blog .mitigation-costs {
  color: #9bd364;
}

html[data-theme="dark"] .chaos-blog .infection-costs {
  color: #c49bea;
}

/* Plot groups */
.chaos-blog .container {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.75rem, 2vw, 1.5rem);
  align-items: end;
  width: 100% !important;
  max-width: none;
  padding: clamp(0.75rem, 2vw, 1.25rem);
  border: 1px solid var(--global-border-color);
  background: var(--global-bg-color);
}

.chaos-blog .container > .column {
  min-width: 0;
  margin: 0;
  padding: 0;
  text-align: left;
}

/* The sticky panel supplies the single visual frame for scroll-led figures. */
.chaos-blog dt > .container {
  padding: 0;
  border: 0;
  background: transparent;
}

.chaos-blog .chaos-regime-plot {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
}

.chaos-blog .chaos-regime-plot .chaos-plot-legend {
  width: 75%;
  height: auto;
  margin: 0 auto 0.2rem;
}

.chaos-blog .chaos-regime-plot > #plot_arnold,
.chaos-blog .chaos-regime-plot > #plot_costs_arnold {
  width: 62%;
  margin-right: auto;
  margin-left: auto;
}

.chaos-blog .container svg,
.chaos-blog .svg-plot {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin-right: auto;
  margin-left: auto;
}

.chaos-blog svg {
  color: var(--global-text-color);
  font-size: 0.8em;
}

.chaos-blog svg text {
  fill: currentColor;
}

.chaos-blog svg .domain,
.chaos-blog svg .tick line {
  stroke: currentColor;
}

.chaos-blog .tick text {
  font-size: 1.2em;
}

.chaos-blog .x-axis text,
.chaos-blog .y-axis text {
  fill: var(--global-muted-text-color);
}

/* Scroll-led figure explanations */
.chaos-blog dl {
  position: relative;
  margin: clamp(2rem, 5vw, 4rem) 0;
}

.chaos-blog dt {
  position: sticky;
  z-index: 3;
  top: 5.25rem;
  margin: 0;
  padding: clamp(0.5rem, 2vw, 1rem);
  border: 1px solid var(--global-border-color);
  background: var(--global-bg-color);
  font-weight: 400;
}

.chaos-blog dd {
  position: relative;
  z-index: 2;
  margin: 0;
  padding: 1rem 0 0;
  font-size: inherit;
}

.chaos-blog dt svg {
  display: block;
  max-width: 100%;
  height: auto;
  margin-right: auto;
  margin-left: auto;
}

.chaos-blog .top {
  position: relative;
  width: 100%;
  margin-right: 0;
  margin-left: auto !important;
  padding: clamp(1rem, 2.5vw, 1.4rem) !important;
  border: 1px solid var(--global-border-color);
  border-left: 0.3rem solid var(--global-accent-color);
  border-radius: 0;
  color: var(--global-text-color) !important;
  background: var(--global-bg-color) !important;
  box-shadow: none;
  transition: border-left-width 0.2s ease-in-out, color 0.2s ease-in-out;
}

.chaos-blog .top.is-active {
  border-left-width: 0.55rem;
}

.chaos-blog .top h5 {
  margin: 0 0 0.65rem;
  color: var(--global-heading-color);
  background: transparent !important;
  font-size: 1.08rem;
  line-height: 1.35;
}

.chaos-blog .break {
  height: clamp(24rem, 70vh, 40rem);
  line-height: 1;
}

.chaos-blog .small-break {
  height: clamp(7rem, 22vh, 12rem);
  line-height: 1;
}

@media (min-width: 64em) {
  .chaos-blog dl {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(20rem, 0.95fr);
    gap: clamp(1.75rem, 3.5vw, 2.75rem);
    align-items: start;
  }

  .chaos-blog dt,
  .chaos-blog dd {
    grid-row: 1;
    align-self: start;
  }

  .chaos-blog dt {
    grid-column: 1;
    top: max(6rem, calc(50vh - var(--figure-panel-height, 16rem) / 2));
  }

  .chaos-blog dd {
    grid-column: 2;
    padding-top: 0;
  }
}

/* Expandable explanatory notes */
.chaos-accordion {
  margin: 1.25rem 0 clamp(2.25rem, 5vw, 3.5rem);
  border-top: 3px solid var(--global-accent-color);
}

.page__content .chaos-accordion .accordion-item,
.page__content .chaos-accordion .accordion-button,
.page__content .chaos-accordion .accordion-body {
  color: var(--global-text-color);
  background: var(--global-bg-color);
}

.page__content .chaos-accordion .accordion-item {
  border: 0;
  border-bottom: 1px solid var(--global-border-color);
}

.page__content .chaos-accordion .accordion-button {
  padding: 1.05rem 0;
  font-size: clamp(0.98rem, 1.6vw, 1.12rem);
  font-weight: 700;
  line-height: 1.4;
  box-shadow: none;
}

.page__content .chaos-accordion .accordion-button:not(.collapsed) {
  color: var(--global-accent-color);
}

.page__content .chaos-accordion .accordion-button:focus-visible {
  outline: 2px solid var(--global-accent-color);
  outline-offset: 3px;
}

.page__content .chaos-accordion .accordion-body {
  max-width: 75ch;
  padding: 0.1rem 0 1.2rem;
  line-height: 1.7;
}

html[data-theme="dark"] .page__content .chaos-accordion .accordion-button::after {
  filter: grayscale(1) invert(1);
}

@media (max-width: 47.99em) {
  .chaos-blog .identity h1 {
    max-width: none;
  }

  .chaos-blog .container {
    grid-template-columns: 1fr;
  }

  .chaos-blog .container > .column + .column {
    margin-top: 0.5rem;
  }

  .chaos-blog dt .container {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.35rem;
    padding: 0.35rem;
  }

  .chaos-blog .break {
    height: 65vh;
  }

  .chaos-blog .small-break {
    height: 18vh;
  }
}

@media (max-width: 25em) {
  .chaos-blog dt,
  .chaos-blog dd {
    padding-left: 0;
  }

  .chaos-blog .container {
    padding: 0.5rem;
  }

  .chaos-blog .identity h1 {
    font-size: 1.55rem;
  }
}