/* An interactive conversation example within the Overview section. */
#case-study {
  --case-accent: #24212c;
  --case-border: #d8d5dc;
  --case-muted: #6a6571;
  grid-column: 1 / -1;
  width: 100%;
  min-width: 0;
  margin-top: 48px;
  padding-top: 64px;
  border-top: 1px solid var(--content-line, #e2dfe8);
  color: var(--content-ink, #24212c);
  font-family: var(--content-body-font, "Helvetica Neue", Arial, sans-serif);
}

#case-study [hidden] {
  display: none !important;
}

#case-study button {
  font-family: inherit;
  line-height: 1.3;
  cursor: pointer;
  touch-action: manipulation;
}

#case-study button:disabled {
  opacity: .4;
  cursor: not-allowed;
}

#case-study :is(button, a, summary, .case-question-scroll):focus-visible {
  outline: 2px solid var(--case-accent);
  outline-offset: 3px;
}

#case-study .case-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 32px;
}

#case-study .case-heading > div {
  min-width: 0;
  max-width: 850px;
}

#case-study .case-heading h3 {
  margin: 0;
  color: var(--content-ink, #24212c);
  font-family: var(--content-heading-font, Georgia, "Times New Roman", serif);
  font-size: 36px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: normal;
  text-wrap: balance;
}

#case-study .case-description {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--case-muted);
  font-size: 17px;
  line-height: 1.7;
}

#case-study .case-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  min-height: 40px;
  padding: 10px 14px;
  border: 1px solid var(--case-border);
  border-radius: 0;
  background: transparent;
  color: var(--content-ink, #24212c);
  font-size: 14px;
  font-weight: 500;
}

#case-study .case-toggle:hover {
  border-color: var(--case-accent);
}

#case-study .case-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  margin: 0 0 30px;
  border-bottom: 1px solid var(--case-border);
}

#case-study .case-selector button {
  margin-bottom: -1px;
  padding: 10px 0 13px;
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--case-muted);
  font-size: 15px;
  font-weight: 400;
}

#case-study .case-selector button:hover,
#case-study .case-selector button[aria-pressed="true"] {
  color: var(--case-accent);
}

#case-study .case-selector button[aria-pressed="true"] {
  border-bottom-color: var(--case-accent);
  font-weight: 500;
}

#case-study .case-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: start;
  gap: 64px;
  min-width: 0;
}

#case-study .case-media,
#case-study .case-conversation {
  min-width: 0;
}

#case-study .case-player {
  position: relative;
  width: 100%;
  min-width: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 0;
  background: #111;
}

#case-study .case-player :is(video, iframe) {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: #111;
  object-fit: contain;
}

#case-study .case-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #ddd;
  font-size: 14px;
}

#case-study .case-loading-questions {
  padding: 24px 0;
  color: var(--case-muted);
  font-size: 15px;
}

#case-study .case-video-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
  margin-top: 14px;
  color: var(--case-muted);
  font-size: 13px;
  line-height: 1.6;
}

#case-study .case-video-meta > :first-child {
  min-width: 0;
  overflow-wrap: anywhere;
}

#case-study .case-video-meta > :last-child {
  flex-shrink: 0;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

#case-study .case-video-meta strong {
  color: var(--content-ink, #24212c);
  font-weight: 600;
}

#case-study .case-excerpt-label {
  margin: 4px 0 0;
  color: var(--case-muted);
  font-size: 12px;
  line-height: 1.6;
}

#case-study .case-turn-controls {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  margin-top: 22px;
}

#case-study .case-turn-controls > button {
  min-width: 40px;
  min-height: 40px;
  padding: 9px 12px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--content-ink, #24212c);
  font-size: 14px;
}

#case-study .case-turn-nav {
  display: grid;
  grid-template-columns: repeat(var(--case-turn-count, 8), minmax(0, 1fr));
  gap: 6px;
  min-width: 0;
}

#case-study .case-turn-nav button {
  min-width: 0;
  min-height: 40px;
  padding: 9px 0;
  border: 0;
  border-bottom: 1px solid var(--case-border);
  border-radius: 0;
  background: transparent;
  color: #514b5a;
  font-size: 13px;
  font-weight: 500;
  text-align: center;
}

#case-study .case-turn-controls button:not(:disabled):hover {
  border-color: var(--case-accent);
  color: var(--case-accent);
}

#case-study .case-turn-nav button:is(.is-active, [aria-current="step"], [aria-pressed="true"]),
#case-study .case-turn-nav button:is(.is-active, [aria-current="step"], [aria-pressed="true"]):hover {
  border-color: var(--case-accent);
  box-shadow: 0 1px 0 var(--case-accent);
  color: var(--case-accent);
  font-weight: 700;
}

#case-study .case-instruction {
  margin: 14px 0 0;
  color: var(--case-muted);
  font-size: 13px;
  line-height: 1.65;
}

#case-study .case-media-status {
  margin: 14px 0 0;
  color: var(--case-muted);
  font-size: 13px;
  line-height: 1.65;
}

#case-study .case-media-status a {
  color: var(--case-accent);
  text-underline-offset: 3px;
}

#case-study .case-media-status button {
  margin: 0 8px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--case-accent);
  font-size: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

#case-study .case-conversation {
  overflow: hidden;
  border-top: 1px solid var(--case-accent);
  border-bottom: 1px solid var(--case-border);
}

#case-study .case-conversation-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0 18px;
  border-bottom: 1px solid var(--case-border);
  color: var(--content-ink, #24212c);
  font-family: var(--content-heading-font);
  font-size: 27px;
  font-weight: 400;
  line-height: 1.5;
}

#case-study .case-conversation-heading :is(h3, h4, p) {
  margin: 0;
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
  letter-spacing: normal;
}

#case-study #case-position {
  flex-shrink: 0;
  color: var(--case-muted);
  font-size: 12px;
  font-family: var(--content-body-font);
  font-weight: 400;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

#case-study .case-question-scroll {
  height: 430px;
  min-width: 0;
  overflow-y: auto;
  overscroll-behavior-y: contain;
  scrollbar-gutter: stable;
  scroll-padding-block: 12px;
}

#case-study .case-question-scroll:focus-visible {
  outline-offset: -3px;
}

#case-study .case-question-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

#case-study .case-question-card {
  min-width: 0;
  padding: 24px 20px 24px 0;
  border-bottom: 1px solid var(--case-border);
}

#case-study .case-question-card:last-child {
  border-bottom: 0;
}

#case-study .case-question-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 14px;
}

#case-study .case-turn-trigger {
  padding: 0;
  border: 0;
  border-bottom: 1px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--case-muted);
  font-size: 14px;
  font-weight: 600;
}

#case-study .case-turn-trigger:hover,
#case-study .is-active .case-turn-trigger {
  border-color: var(--case-accent);
  color: var(--case-accent);
}

#case-study .case-timestamp {
  color: var(--case-muted);
  font-size: 12px;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
}

#case-study .case-question {
  margin: 12px 0;
  color: var(--content-ink, #24212c);
  font-size: 17px;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

#case-study .case-question-card.is-active .case-question {
  font-weight: 500;
}

#case-study .case-dependencies {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px;
  margin: 14px 0 0;
}

#case-study .case-dependencies > span {
  margin-right: 3px;
  color: var(--case-muted);
  font-size: 12px;
  line-height: 1.5;
}

#case-study .case-parent {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--case-muted);
  font-size: 12px;
  text-decoration: underline;
  text-underline-offset: 3px;
}

#case-study .case-parent:hover {
  color: var(--case-accent);
}

#case-study .case-answer {
  margin: 12px 0 0;
  color: #57525e;
  font-size: 15px;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

#case-study .case-answer > span {
  margin-right: 8px;
  color: var(--case-accent);
  font-weight: 500;
}

#case-study .case-options {
  margin-top: 14px;
  color: #5d5765;
  font-size: 13px;
  line-height: 1.6;
}

#case-study .case-options > summary {
  cursor: pointer;
}

#case-study .case-options :is(ol, ul) {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  line-height: 1.6;
}

#case-study .case-options li + li {
  margin-top: 5px;
}

#case-study > footer {
  display: block;
  margin-top: 18px;
  padding: 0;
}

#case-study .case-source-note {
  margin: 18px 0 0;
  color: var(--case-muted);
  font-size: 12px;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

#case-study > footer .case-source-note {
  margin: 0;
}

#case-study .case-source-note a {
  color: var(--content-purple, #5c45ae);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 900px) {
  #case-study .case-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  #case-study .case-question-scroll {
    height: 420px;
  }
}

@media (max-width: 600px) {
  #case-study {
    margin-top: 32px;
    padding-top: 44px;
  }

  #case-study .case-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 26px;
  }

  #case-study .case-heading h3 {
    font-size: 30px;
  }

  #case-study .case-description {
    margin-top: 16px;
  }

  #case-study .case-selector {
    gap: 6px 24px;
    margin-bottom: 24px;
  }

  #case-study .case-turn-controls {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 10px;
    margin-top: 18px;
  }

  #case-study .case-turn-nav {
    grid-column: 1 / -1;
    grid-row: 1;
    gap: 5px;
  }

  #case-study .case-turn-nav button {
    min-height: 38px;
    font-size: 12px;
  }

  #case-study .case-turn-controls > button:first-child {
    grid-column: 1;
    grid-row: 2;
    justify-self: start;
  }

  #case-study .case-turn-controls > button:last-child {
    grid-column: 2;
    grid-row: 2;
    justify-self: end;
  }

  #case-study .case-conversation-heading {
    gap: 12px;
    padding: 14px 0;
    font-size: 25px;
  }

  #case-study .case-question-card {
    padding: 20px 12px 20px 0;
  }
}