/* Homepage: five sections for a guided research presentation. */
.hero{padding-bottom:38px}
.hero-subtitle{max-width:780px;margin-inline:auto}
.hero-description{max-width:780px}
.hero-purpose{max-width:760px;margin:12px auto 0;font-size:16px;color:var(--soft)}
.hero-actions{max-width:900px;margin-inline:auto}
.latest-update{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 14px;margin:26px auto 0;font-size:12px;color:var(--muted)}
.latest-update time{font-family:var(--mono)}
.latest-update a{text-decoration:underline;text-underline-offset:4px}
.home-source{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;margin-top:20px;font-size:13px;line-height:1.7;color:var(--soft)}
.home-source .text-link{font-size:13px}
#overview .research-flow{margin-top:28px}
.featured-case{border:1px solid var(--strong-line);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.case-question{padding:28px 30px}
.case-question .kicker{margin-bottom:12px}
.case-question h3{font-size:24px;max-width:850px}
.case-question>p:not(.kicker){margin-top:14px;font-size:15px;color:var(--soft)}
.case-data{display:flex;align-items:center;flex-wrap:wrap;gap:8px 20px}
.case-data code{font-family:var(--mono);font-size:12px;color:var(--ink)}
.case-data .text-link{font-size:13px}
.case-comparison{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line)}
.case-arm{padding:28px 30px;min-width:0}
.case-arm+.case-arm{border-left:1px solid var(--line)}
.case-arm .kicker{margin-bottom:10px}
.case-arm h3{font-size:21px;margin-bottom:14px}
.case-arm p:not(.kicker){font-size:15px;line-height:1.8;color:var(--soft)}
.case-arm .case-outcome{margin-top:16px;color:var(--ink)!important}
.case-arm .case-budget{margin-top:18px;font-size:12px!important;font-family:var(--mono)}
.case-harness{background:var(--tint)}
.case-footer{display:flex;align-items:center;justify-content:space-between;gap:18px 32px;padding:22px 30px;border-top:1px solid var(--line)}
.case-footer p{max-width:60ch;font-size:13px;color:var(--soft)}
.case-footer .button{flex:none}
.results-foot{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:10px 32px;margin-top:18px}
.results-foot .chart-source{max-width:72ch;margin:0}
.results-foot .text-link{flex:none}
.research-directions .card-label{margin-bottom:16px}
.participate-panel{display:flex;justify-content:space-between;align-items:center;gap:24px 40px;padding:26px 30px;border:1px solid var(--strong-line);border-radius:var(--radius);background:var(--tint)}
.participate-panel>p{max-width:64ch;color:var(--soft);font-size:15px}
.participate-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px 24px;flex-shrink:0}
.home-resources{margin-top:30px}
.home-resources h3{font-size:16px}
.home-resources ul{display:flex;flex-wrap:wrap;gap:18px 32px;list-style:none;padding:0;margin:14px 0 0}
.home-resources li{display:flex;flex-direction:column;gap:5px;min-width:0}
.home-resources small{font-size:11px;color:var(--muted)}
.home-citations{margin-top:28px;border-top:1px solid var(--line);padding-top:18px;font-size:13px;color:var(--soft)}
.home-citations summary{cursor:pointer;color:var(--ink);font-size:14px}
.home-citations summary:focus-visible{outline:2px solid var(--ink);outline-offset:5px}
.home-citations p{margin-top:16px;max-width:90ch}
.home-citations ul{list-style:none;display:grid;gap:10px;padding:0;margin:16px 0 0}
.home-citations .text-link{font-size:13px}
@media(max-width:1000px){.case-footer,.participate-panel{align-items:flex-start;flex-direction:column}.participate-actions{flex-shrink:1}}
@media(max-width:700px){.case-comparison{grid-template-columns:1fr}.case-arm+.case-arm{border-left:0;border-top:1px solid var(--line)}.case-question,.case-arm{padding:24px}.case-footer,.participate-panel{padding:22px 24px}.research-directions{--cols:1}.hero-purpose{font-size:15px}.case-question h3{font-size:21px}}
@media(max-width:520px){.hero-actions .button{width:100%}.latest-update{font-size:11px}.latest-update time{width:100%}.home-resources ul{flex-direction:column}.case-question,.case-arm,.case-footer,.participate-panel{padding:20px}}