/* River Arts example-page conventions shared visually with the other demos. */
.example-intro{display:grid;grid-template-columns:1.2fr .8fr;gap:100px;align-items:center;padding-block:50px 75px}
.example-intro h1{font:700 clamp(48px,5.4vw,76px)/1.05 Georgia,serif;letter-spacing:-3px;margin-bottom:27px}
.example-intro h1 .serif{color:var(--orange)}
.example-lead{max-width:530px;font-size:18px;line-height:1.8;margin-bottom:27px}
.example-context{padding:35px 32px 28px;border-top:3px solid var(--green);background:#e8c97340}
.example-context .eyebrow{margin-bottom:20px}.example-context h2{font-size:33px;letter-spacing:-1px}.example-context p{font-size:15px}
.example-context .example-disclosure{border-top:1px solid #bdb18c;margin:25px 0 0;padding-top:18px;font-size:12px}
.example-demo{padding-bottom:75px;scroll-margin-top:30px}
.demo-heading{display:flex;justify-content:space-between;gap:40px;align-items:flex-end}.demo-heading .eyebrow{margin-bottom:15px}.demo-heading h2{font-size:38px;margin:0}.demo-heading>p{max-width:310px;margin:0 0 4px;color:var(--muted)}
.demo-boundary{font-size:12px;margin:22px 0 18px;color:var(--muted);max-width:850px}
.example-reasoning{display:grid;grid-template-columns:repeat(3,1fr);gap:50px;padding-block:0 75px}.example-reasoning>div{border-top:1px solid var(--line);padding-top:27px}.example-reasoning h2{font-size:29px;letter-spacing:-.8px}.example-reasoning p:last-child{font-size:14px;color:var(--muted);margin:0;line-height:1.85}
.example-invitation{border-top:1px solid var(--line);padding-block:65px 85px}.example-invitation h2{font-size:44px}.example-invitation>p:not(.eyebrow){max-width:640px;font-size:16px;line-height:1.85;margin-bottom:27px}.example-invitation .text-link{display:table;margin-top:25px}
.handbook{background:#fffcf4;border:1px solid #b6bdac;border-radius:6px;box-shadow:3px 5px 0 #283f3512;overflow:hidden}
.handbook [hidden]{display:none}
.handbook-topbar{background:var(--green);color:#fff9e9;padding:18px 28px;display:flex;justify-content:space-between;gap:15px;align-items:center;flex-wrap:wrap}
.handbook-topbar>div{display:flex;gap:12px;align-items:center}.handbook-topbar strong{font:600 16px var(--display)}
.handbook-mark{display:grid;place-items:center;width:27px;height:28px;border:1px solid #d4d5ae;border-radius:3px;font:italic 21px Georgia,serif;flex-shrink:0}
.sample-label{font-size:10px;letter-spacing:1px;text-transform:uppercase}
.handbook-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:30px 28px 25px}.handbook-heading h3{font:700 32px Georgia,serif;margin:0;letter-spacing:-1px}
.handbook-eyebrow{font-size:10px;letter-spacing:1px;text-transform:uppercase;color:var(--muted);margin:0 0 12px}
.handbook-reset,.back-to-questions{background:transparent;border:1px solid var(--line);border-radius:3px;min-height:44px;padding:9px 13px;font-size:12px}
.handbook-reset:hover,.back-to-questions:hover{background:#f3eddf}
.handbook-columns{display:grid;grid-template-columns:.95fr 1.05fr;border-top:1px solid var(--line)}
.handbook-questions{background:#f2f0e6;border-right:1px solid var(--line);padding:28px;min-width:0}
.handbook-questions h4,.handbook-answer h4{font:700 27px/1.25 Georgia,serif;letter-spacing:-.6px;margin:5px 0 22px;overflow-wrap:anywhere}
.question-list{display:grid;gap:10px}
.question-list button{display:flex;gap:14px;align-items:baseline;text-align:left;width:100%;min-height:60px;background:#fffcf4;border:1px solid #c6cbbb;border-radius:4px;padding:15px 16px;color:var(--ink);font-size:13px;line-height:1.6}
.question-list button>span:first-child{font:italic 13px Georgia,serif;color:var(--muted);flex-shrink:0}
.question-list button[aria-pressed="true"]{border-color:var(--green);box-shadow:inset 4px 0 0 var(--green);background:#e6ecdf}
.question-list button:hover{border-color:var(--green)}
.question-hint{font-size:11px;color:var(--muted);margin:18px 0 0;max-width:330px}
.handbook-answer{padding:28px 32px;min-width:0;scroll-margin-top:20px}
.answer-state{font-size:11px;color:var(--muted);margin:20px 0 13px}.answer-state::before{content:'';display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--orange);margin-right:7px}
.answer-empty{max-width:330px;font-size:14px;line-height:1.9;color:var(--muted);padding-top:12px}.answer-empty>span{font:italic 37px Georgia,serif;display:block;color:var(--orange);margin-bottom:22px}
#answer-body>p{font-size:14px;line-height:1.9;margin-bottom:24px}
.source-link{display:table;font-size:11px;line-height:1.7;text-decoration:underline;text-underline-offset:4px;padding-block:12px 9px;min-height:44px}
.source-link:hover{color:var(--orange)}
.answer-next{background:#f5ecd2;border-left:3px solid var(--orange);padding:16px 18px}
.answer-note{font-size:11px;line-height:1.8;color:var(--muted);border-top:1px solid var(--line);padding-top:18px;margin:25px 0 0}
.back-to-questions{display:none;margin-bottom:24px}
#handbook-feedback{margin:0;padding:16px 28px;border-top:1px solid var(--line);font-size:12px;background:#f7f2e5;min-height:53px}
.handbook-sources{border-top:1px solid var(--line);padding:30px 28px;background:#faf5e8;scroll-margin-top:25px}
.source-heading{display:flex;justify-content:space-between;gap:24px;align-items:flex-end}.source-heading h3{font:700 26px/1.25 Georgia,serif;letter-spacing:-.5px;margin:0}.source-heading>span{font-size:10px;color:var(--muted);flex-shrink:0;margin-bottom:3px}
.source-intro{font-size:12px;color:var(--muted);margin:16px 0 22px}
.handbook-sources details{border-top:1px solid var(--line)}.handbook-sources details:last-child{border-bottom:1px solid var(--line)}
.handbook-sources summary{padding:17px 8px;min-height:52px;cursor:pointer;font-size:13px;font-weight:600}.handbook-sources summary::marker{color:var(--orange)}
.source-copy{padding:5px 14px 24px 24px;max-width:850px}.source-copy>p{padding:15px 18px;margin:0 0 10px;border-left:2px solid var(--line);font-size:14px;line-height:1.9;scroll-margin-top:35px}
.source-copy>p:target{background:#f0e0ab;border-left-color:var(--orange)}
.source-copy strong{display:block;font-size:11px;letter-spacing:.2px;margin-bottom:6px}.source-copy .text-link:not([hidden]){display:inline-flex;align-items:center;min-height:44px;margin:10px 0 0 18px}
.handbook :is(button,a,summary):focus-visible{outline:3px solid var(--orange);outline-offset:3px}.handbook :is(h4,p):focus-visible{outline:2px solid var(--orange);outline-offset:4px}
@media(max-width:1100px){.example-intro{gap:50px}.handbook-questions,.handbook-answer{padding:24px}.example-reasoning{gap:30px}}
@media(max-width:800px){.example-intro{gap:30px;grid-template-columns:1.1fr .9fr}.example-context{padding:25px}.example-context h2{font-size:28px}.example-lead{font-size:16px}.handbook-questions,.handbook-answer{padding:24px 18px}.question-list button{padding:13px 12px;gap:10px}.example-reasoning{gap:25px}.example-reasoning h2{font-size:25px}.source-heading{display:block}.source-heading>span{display:block;margin-top:12px}}
@media(max-width:720px){.example-intro{grid-template-columns:1fr;gap:32px;padding-block:30px 50px}.example-intro h1{font-size:clamp(42px,9.5vw,65px);letter-spacing:-2px}.example-intro .eyebrow{font-size:9px}.example-context{padding:26px}.example-context h2{font-size:30px}.example-context p{max-width:480px}.example-context .example-disclosure{max-width:none}.demo-heading{display:block}.demo-heading h2{font-size:31px}.demo-heading>p{margin-top:18px;max-width:none}.demo-boundary{line-height:1.8}.handbook-topbar{padding:16px}.handbook-topbar strong{font-size:14px}.sample-label{font-size:8px;letter-spacing:.7px}.handbook-heading{padding:23px 16px;align-items:flex-start;flex-wrap:wrap}.handbook-heading h3{font-size:29px}.handbook-eyebrow{font-size:9px}.handbook-reset{font-size:11px}.handbook-columns{grid-template-columns:1fr}.handbook-questions{border-right:0;border-bottom:1px solid var(--line);padding:24px 18px}.handbook-answer{padding:24px 20px}.handbook-questions h4,.handbook-answer h4{font-size:26px}.question-list button{min-height:56px;font-size:13px;padding:13px}.back-to-questions{display:inline-flex;align-items:center;gap:18px}.source-link{font-size:12px}.handbook-sources{padding:26px 20px}.source-heading h3{font-size:25px}.handbook-sources summary{font-size:12px;padding-inline:0}.source-copy{padding:5px 0 20px}.source-copy>p{padding:12px;font-size:13px}.source-copy .text-link{margin-left:12px}#handbook-feedback{padding:16px 20px}.example-demo{padding-bottom:48px}.example-reasoning{grid-template-columns:1fr;gap:28px;padding-bottom:48px}.example-reasoning .eyebrow{margin-bottom:15px}.example-reasoning h2{font-size:29px;margin-bottom:17px}.example-invitation{padding-block:45px 60px}.example-invitation h2{font-size:35px}.example-invitation>p:not(.eyebrow){font-size:15px}}