/* Research hub and article templates. Kept local to these routes. */
.research-hub,
.research-index,
.research-article {
  --research-accent: #254ddd;
  --research-tint: #eef2ff;
  --research-line: #d8e0e2;
  max-width: 1320px;
  margin-inline: auto;
  color: var(--ink, #182b35);
}

.research-hub,
.research-index,
.research-article { display: grid; gap: clamp(28px, 4vw, 56px); min-width: 0; }
.research-article { gap: clamp(30px, 4.5vw, 64px); }
.research-article--safety,
.research-article--policy { --research-accent: #8d3b2d; --research-tint: #fff1ed; }
.research-article--family-guide,
.research-article--autonomy,
.research-article--decision-map { --research-accent: #17604a; --research-tint: #edf6f0; }
.research-article--feedback,
.research-article--learning-cycle { --research-accent: #514077; --research-tint: #f0ecf7; }
.research-article--experiment,
.research-article--checklist,
.research-article--routines { --research-accent: #855f00; --research-tint: #fff7df; }

.research-article :where(h2, h3),
.research-hub :where(h2, h3),
.research-index :where(h2, h3) { color: var(--ink, #182b35); }
.research-article :where(p, li, small),
.research-hub :where(p, li, small),
.research-index :where(p, li, small) { overflow-wrap: anywhere; }
.research-article a,
.research-hub a,
.research-index a { text-underline-offset: 3px; }
.research-article a:focus-visible,
.research-hub a:focus-visible,
.research-index a:focus-visible,
.research-faq summary:focus-visible { outline: 3px solid #172a78; outline-offset: 4px; border-radius: 3px; }

.research-eyebrow { margin: 0 0 8px; color: var(--research-accent); font-size: 12px; font-weight: 750; letter-spacing: .1em; line-height: 1.4; }
.research-answer { max-width: none; margin: 0; padding: clamp(20px, 3vw, 32px); border-left: 4px solid var(--research-accent); background: var(--research-tint); font-size: clamp(17px, 1.7vw, 20px); line-height: 1.7; }
.research-article__meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: -24px; color: #42535b; font-size: 13px; }
.research-article__meta span { padding: 6px 10px; border: 1px solid var(--research-line); border-radius: 999px; background: #fff; }

.research-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--research-line); border-block: 1px solid var(--research-line); }
.research-fact { min-width: 0; padding: clamp(18px, 2.4vw, 28px); background: #fff; }
.research-fact__value { max-width: none; margin: 0 0 8px; color: var(--research-accent); font-size: clamp(29px, 3.6vw, 44px); font-weight: 760; letter-spacing: -.045em; line-height: 1.08; font-variant-numeric: tabular-nums; }
.research-fact h3 { margin: 0 0 9px; font-size: 18px; line-height: 1.3; }
.research-fact p:not(.research-fact__value) { margin: 0 0 12px; color: #46565e; font-size: 15px; line-height: 1.55; }
.research-fact__source { font-size: 13px; font-weight: 650; line-height: 1.45; }
.research-fact__source a { display: inline-block; }

.research-explanation { max-width: 78ch; }
.research-explanation h2,
.research-myth h2,
.research-action h2,
.research-local-note h2,
.research-related h2,
.research-faq h2,
.research-method-note h2,
.research-recent h2,
.research-services h2,
.research-topics h2 { margin: 0 0 16px; font-size: clamp(26px, 3vw, 38px); line-height: 1.14; letter-spacing: -.025em; }
.research-explanation p { margin: 0 0 16px; font-size: 17px; line-height: 1.72; }

.research-chart { min-width: 0; margin: 0; padding: clamp(20px, 3vw, 34px); border: 1px solid var(--research-line); background: #f5f7f8; }
.research-chart figcaption > span { display: block; margin-bottom: 8px; color: var(--research-accent); font-size: 11px; font-weight: 750; letter-spacing: .11em; }
.research-chart figcaption h3 { max-width: 48ch; margin: 0 0 22px; font-size: clamp(21px, 2.5vw, 29px); line-height: 1.2; }
.research-chart-bars,
.research-chart-steps { margin: 0; padding: 0; list-style: none; }
.research-chart-bars { display: grid; gap: 16px; }
.research-chart-bars li { display: grid; grid-template-columns: minmax(150px, 1fr) minmax(110px, 1.4fr) 70px; align-items: center; gap: 12px; min-width: 0; }
.research-chart-bars__label { font-size: 14px; line-height: 1.4; }
.research-chart-bars__track { display: block; height: 11px; overflow: hidden; border-radius: 99px; background: #dce3e6; }
.research-chart-bars__track > span { display: block; height: 100%; min-width: 2px; border-radius: inherit; background: var(--research-accent); }
.research-chart-bars li > strong { text-align: right; font-size: 15px; font-variant-numeric: tabular-nums; }
.research-chart-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr)); gap: 12px; }
.research-chart-steps li { display: flex; align-items: flex-start; gap: 12px; min-width: 0; padding: 16px 0 4px; border-top: 2px solid var(--research-accent); }
.research-chart-steps__number { flex: 0 0 auto; color: var(--research-accent); font-size: 13px; font-weight: 800; font-variant-numeric: tabular-nums; }
.research-chart-steps li strong,
.research-chart-steps li small { display: block; }
.research-chart-steps li strong { font-size: 15px; line-height: 1.4; }
.research-chart-steps li small { margin-top: 5px; color: #4d5e66; font-size: 13px; line-height: 1.5; }
.research-chart-steps--timeline li { flex-direction: column; gap: 9px; }
.research-chart-steps--timeline .research-chart-steps__number { padding: 3px 7px; border-radius: 4px; background: var(--research-tint); }
.research-chart-alt { max-width: none; margin: 20px 0 0; padding-top: 16px; border-top: 1px solid var(--research-line); color: #3e5058; font-size: 14px; line-height: 1.6; }
.research-source-note { max-width: none; margin: 14px 0 0; color: #46565e; font-size: 13px; line-height: 1.55; }
.research-source-note > strong { color: var(--ink, #182b35); }
.research-source-note span { display: inline; }
.research-chart .research-source-note { margin-top: 12px; }

.research-myth { display: grid; grid-template-columns: minmax(170px, .7fr) minmax(0, 1fr) minmax(0, 1fr); gap: 8px 24px; padding: clamp(20px, 3vw, 34px); border-block: 1px solid var(--research-line); }
.research-myth .research-eyebrow { grid-row: 1 / span 2; }
.research-myth h2 { grid-column: 2 / -1; margin-bottom: 4px; }
.research-myth p { max-width: 48ch; margin: 0; line-height: 1.6; }
.research-myth p strong { display: block; margin-bottom: 7px; color: var(--research-accent); font-size: 13px; }
.research-action { display: grid; gap: 18px; }
.research-scenario-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--research-line); border-block: 1px solid var(--research-line); }
.research-scenario-card { min-width: 0; padding: clamp(18px, 2.5vw, 28px); background: #fff; }
.research-scenario-card h3 { margin: 0 0 14px; color: var(--research-accent); font-size: 14px; }
.research-scenario { min-height: 4.4em; margin: 0 0 16px; font-size: 15px; line-height: 1.55; }
.research-scenario-card ol { margin: 0; padding-left: 20px; }
.research-scenario-card li { padding-left: 3px; margin: 0 0 14px; font-size: 14px; line-height: 1.45; }
.research-scenario-card li p { margin: 4px 0 0; color: #4d5e66; font-size: 14px; }
.research-local-note { padding: clamp(20px, 3vw, 34px); background: var(--research-tint); border-left: 4px solid var(--research-accent); }
.research-local-note h2 { margin-bottom: 10px; }
.research-local-note p:last-child { max-width: 76ch; margin-bottom: 0; line-height: 1.65; }

.research-related { display: grid; gap: 20px; }
.research-related__cards,
.research-recent__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--research-line); border-block: 1px solid var(--research-line); }
.research-link-card { display: flex; min-width: 0; flex-direction: column; gap: 10px; padding: clamp(18px, 2.5vw, 27px); color: inherit; background: #fff; text-decoration: none; }
.research-link-card:hover { background: #f7f9fb; }
.research-link-card__tag { color: var(--research-accent); font-size: 12px; font-weight: 700; line-height: 1.4; }
.research-link-card strong { font-size: 18px; line-height: 1.3; }
.research-link-card small { color: #50616a; font-size: 14px; line-height: 1.5; }
.research-link-card__more { margin-top: auto; padding-top: 5px; color: var(--research-accent); font-size: 13px; font-weight: 700; }
.research-service-cta { display: grid; grid-template-columns: 1fr auto; gap: 4px 20px; align-items: center; padding: 19px 22px; color: #fff; background: var(--research-accent); text-decoration: none; }
.research-service-cta > span:first-child { grid-column: 1; font-size: 11px; font-weight: 700; letter-spacing: .1em; }
.research-service-cta > strong { grid-column: 1; font-size: 17px; }
.research-service-cta > span:last-child { grid-column: 2; grid-row: 1 / span 2; font-size: 24px; }
.research-service-cta:hover { background: #183da8; }

.research-faq { display: grid; }
.research-faq details { border-top: 1px solid var(--research-line); }
.research-faq details:last-child { border-bottom: 1px solid var(--research-line); }
.research-faq summary { position: relative; padding: 17px 38px 17px 0; cursor: pointer; font-weight: 700; line-height: 1.45; list-style: none; }
.research-faq summary::-webkit-details-marker { display: none; }
.research-faq summary::after { content: '+'; position: absolute; right: 5px; top: 13px; color: var(--research-accent); font-size: 24px; line-height: 1; }
.research-faq details[open] summary::after { content: '−'; }
.research-faq details p { max-width: 76ch; margin: 0 0 18px; color: #46565e; line-height: 1.6; }
.research-method-note { display: grid; gap: 12px; padding: clamp(20px, 3vw, 34px); border-top: 3px solid var(--research-accent); background: #f5f7f8; }
.research-method-note h2,
.research-method-note p { margin: 0; }
.research-method-note > p { max-width: 82ch; line-height: 1.6; }
.research-sources { margin-top: 12px; }
.research-sources h2 { margin-bottom: 12px; font-size: 19px; }
.research-sources ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 28px; margin: 0; padding: 0; list-style: none; }
.research-sources li { min-width: 0; padding-top: 12px; border-top: 1px solid var(--research-line); font-size: 14px; line-height: 1.5; }
.research-sources li > p { margin: 5px 0 0; color: #4d5e66; font-size: 13px; }

.research-audience-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--research-line); border-block: 1px solid var(--research-line); }
.research-audience-card { display: flex; min-width: 0; flex-direction: column; gap: 12px; padding: clamp(20px, 3vw, 32px); color: inherit; background: #fff; text-decoration: none; }
.research-audience-card:hover { background: #f7f9fb; }
.research-audience-card__index { color: var(--research-accent); font-size: 13px; font-weight: 800; }
.research-audience-card strong { font-size: 24px; line-height: 1.2; }
.research-audience-card small { color: #4d5e66; font-size: 14px; line-height: 1.5; }
.research-audience-card > span:last-child { margin-top: auto; color: var(--research-accent); font-size: 13px; font-weight: 700; }
.research-link-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--research-line); border-block: 1px solid var(--research-line); }
.research-index .research-chart { max-width: 900px; }
.research-index > .research-source-note { padding-top: 12px; border-top: 1px solid var(--research-line); }

.research-topic-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--research-line); border-block: 1px solid var(--research-line); }
.research-topic-grid a { display: flex; min-width: 0; flex-direction: column; gap: 9px; padding: 20px; color: inherit; background: #fff; text-decoration: none; }
.research-topic-grid a:hover { background: #f7f9fb; }
.research-topic-grid a > span { color: var(--research-accent); font-size: 12px; font-weight: 700; }
.research-topic-grid strong { font-size: 16px; line-height: 1.3; }
.research-topic-grid small { color: #50616a; font-size: 13px; line-height: 1.5; }
.research-recent,
.research-services { display: grid; gap: 18px; }
.research-recent__grid .research-link-card { min-height: 100%; }
.research-services { grid-template-columns: minmax(230px, .7fr) minmax(0, 1.3fr); align-items: start; padding-block: 24px; border-block: 1px solid var(--research-line); }
.research-services > div > p:last-child { max-width: 40ch; color: #4d5e66; line-height: 1.6; }
.research-services__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--research-line); border-block: 1px solid var(--research-line); }
.research-services__grid a { display: flex; min-width: 0; flex-direction: column; gap: 8px; padding: 18px; color: inherit; background: #fff; text-decoration: none; }
.research-services__grid a:hover { background: #f7f9fb; }
.research-services__grid strong { font-size: 15px; line-height: 1.35; }
.research-services__grid small { color: #50616a; font-size: 13px; line-height: 1.4; }
.research-services__grid span { color: var(--research-accent); font-size: 18px; }
.research-hub > .research-method-note { border-top-width: 1px; }

@media (max-width: 900px) {
  .research-topic-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .research-services { grid-template-columns: 1fr; }
  .research-myth { grid-template-columns: 1fr 1fr; }
  .research-myth .research-eyebrow { grid-row: auto; }
  .research-myth h2 { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
  .research-hub,
  .research-index,
  .research-article { gap: 28px; }
  .research-article__meta { margin-bottom: -12px; }
  .research-facts,
  .research-scenario-grid,
  .research-related__cards,
  .research-recent__grid,
  .research-audience-grid,
  .research-services__grid { grid-template-columns: 1fr; }
  .research-fact { padding: 18px 16px; }
  .research-fact__value { font-size: 34px; }
  .research-chart { padding: 18px 15px; }
  .research-chart-bars li { grid-template-columns: minmax(0, 1fr) 54px; gap: 7px 10px; }
  .research-chart-bars__label { grid-column: 1 / -1; }
  .research-chart-bars__track { grid-column: 1; }
  .research-chart-bars li > strong { grid-column: 2; grid-row: 2; }
  .research-chart-steps { grid-template-columns: 1fr; }
  .research-chart-steps li { padding-top: 12px; }
  .research-myth { grid-template-columns: 1fr; gap: 12px; }
  .research-myth h2 { grid-column: auto; }
  .research-myth p { max-width: none; }
  .research-scenario { min-height: 0; }
  .research-link-grid,
  .research-topic-grid { grid-template-columns: 1fr; }
  .research-sources ul { grid-template-columns: 1fr; }
  .research-link-card { padding: 19px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .research-hub *,
  .research-index *,
  .research-article * { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

/* Source explanations sit inside a single fact card: keep their principles readable. */
.research-fact .law-explainer { box-sizing: border-box; width: 100%; max-width: none; margin: 16px 0 8px; padding: 17px; border-radius: 12px; }
.research-fact .law-title { margin: 9px 0 15px; font-size: clamp(22px, 1.9vw, 27px); line-height: 1.15; }
.research-fact .law-diagram { grid-template-columns: minmax(0, 1fr); gap: 8px; }
.research-fact .law-diagram > span { box-sizing: border-box; min-width: 0; padding: 10px 12px; border: 1px solid #d6ded0; border-left: 3px solid #708567; border-radius: 8px; background: #fff; }
.research-fact .law-diagram b { margin-bottom: 3px; font-size: 15px; }
.research-fact .law-diagram > span > span { font-size: 14px; line-height: 1.5; }
.research-fact .law-focus { margin-top: 15px; padding-top: 13px; font-size: 14px; line-height: 1.55; }
@media (max-width: 700px) {
  .research-fact .law-explainer { padding: 15px; }
}