.intro-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
.intro .intro-study-button{background:transparent;color:var(--gold2);border:1px solid rgba(232,184,106,.55)}
.intro-study-button span{margin-left:12px}
.study-page[hidden],.study-page [hidden],.research-progress[hidden]{display:none!important}
.study-page{position:fixed;z-index:1200;inset:0;overflow:auto;background:#0e1619;color:var(--text);scrollbar-width:thin}
.study-page button,.study-page a{-webkit-tap-highlight-color:transparent}
.study-page button:focus-visible,.study-page a:focus-visible{outline:2px solid var(--gold2);outline-offset:4px}
.study-shell{width:min(1180px,calc(100% - 64px));margin:0 auto;padding-bottom:46px}
.study-top{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:23px 0;border-bottom:1px solid var(--line)}
.study-brand{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;letter-spacing:.06em}
.study-brand-dot{height:11px;width:11px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 6px rgba(232,184,106,.09)}
.study-back{border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:12px;padding:8px 0 8px 12px}
.study-back:hover{color:var(--gold2)}
.study-heading{padding:34px 0 25px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px}
.study-kicker{margin:0 0 9px;color:var(--gold);font-size:10px;letter-spacing:.22em}
.study-heading h1{margin:0;font-family:"Songti SC","Noto Serif SC",serif;font-size:34px;font-weight:500;letter-spacing:.06em}
.study-heading p:last-child{margin:12px 0 0;font-size:13px;line-height:1.8;color:var(--muted)}
.study-preview-tag{flex:none;border:1px solid var(--line);border-radius:999px;padding:7px 12px;color:#b9c2c3;font-size:11px}
.study-phases{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:26px}
.study-phase{position:relative;display:flex;align-items:center;gap:16px;padding:19px 22px;text-align:left;border:1px solid var(--line);border-radius:14px;background:#151f23;cursor:pointer;color:var(--muted)}
.study-phase[aria-selected="true"]{border-color:rgba(232,184,106,.6);background:linear-gradient(115deg,rgba(232,184,106,.12),rgba(232,184,106,.025));color:var(--text)}
.study-phase-number{font-size:30px;line-height:1;font-weight:300;color:#5e6b6e}
.study-phase[aria-selected="true"] .study-phase-number{color:var(--gold)}
.study-phase strong{display:block;font-size:16px;font-weight:600;margin-bottom:5px}
.study-phase small{font-size:11px;line-height:1.6;color:var(--muted)}
.study-phase-arrow{margin-left:auto;font-size:21px;color:var(--gold);opacity:0}
.study-phase[aria-selected="true"] .study-phase-arrow{opacity:1}
.study-layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:20px;align-items:start}
.study-sequence{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#121c20}
.study-sequence-heading{padding:18px 18px 15px;border-bottom:1px solid var(--line)}
.study-sequence-heading div{display:flex;align-items:center;justify-content:space-between;gap:10px}
.study-sequence-heading h2{font-size:14px;font-weight:600;margin:0}
.study-sequence-heading span{color:var(--gold);font-size:11px}
.study-sequence-heading p{margin:7px 0 0;font-size:11px;color:var(--muted);line-height:1.6}
.study-node-list{padding:8px;display:grid;gap:3px}
.study-node{display:flex;align-items:center;gap:10px;width:100%;padding:8px;border:1px solid transparent;border-radius:9px;text-align:left;background:transparent;color:#b9c3c5;cursor:pointer}
.study-node:hover{background:rgba(255,255,255,.035)}
.study-node[aria-pressed="true"]{background:rgba(232,184,106,.09);border-color:rgba(232,184,106,.3);color:var(--gold2)}
.study-node:disabled{opacity:.45;cursor:default}
.study-node-order{font-size:11px;width:20px;flex:none;color:#8e9da1}
.study-node[aria-pressed="true"] .study-node-order{color:var(--gold)}
.study-node img,.study-node-placeholder{width:34px;height:34px;object-fit:cover;border-radius:6px;background:#263337;flex:none}
.study-node-title{font-size:12px;line-height:1.5}
.study-node-count{margin-left:auto;font-size:10px;white-space:nowrap;color:#8e9da1}
.study-run-banner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 22px;border:1px solid rgba(232,184,106,.28);border-radius:14px;margin-bottom:20px;background:rgba(232,184,106,.045)}
.study-run-banner strong{font-size:14px;font-weight:500}.study-run-banner p{font-size:11px;color:var(--muted);margin:8px 0 0;line-height:1.8}
.study-run-complete{padding:30px;border:1px solid var(--line);border-radius:14px;margin-bottom:20px;background:#152326}
.study-run-complete h2{font-family:serif;font-weight:500;font-size:27px}.study-run-complete p{font-size:13px;color:var(--muted);line-height:1.9}
.study-complete-actions{display:flex;gap:12px;align-items:center;margin-top:22px}.study-complete-actions .secondary{width:auto;margin:0}
.study-question-form{max-width:960px;margin:auto;padding:10px 12px 18px}.study-answer-heading{display:flex;align-items:center;justify-content:space-between;gap:15px}.study-answer-heading p,.study-answer-intro{color:var(--muted);font-size:12px;line-height:1.8}
.study-question-form fieldset{padding:25px 0;margin:15px 0;border:0;border-top:1px solid var(--line)}
.study-question-form legend{font-size:17px;padding:0 12px 0 0}.study-question-form legend>span{color:var(--gold);margin-right:14px;font-size:14px}
.study-options{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:10px}
.study-options label{display:flex;align-items:center;justify-content:center;gap:9px;padding:21px 10px;border:1px solid var(--line);border-radius:12px;cursor:pointer;font-size:13px;color:#c4cecf;background:rgba(255,255,255,.025)}
.study-options input{accent-color:var(--gold);width:16px;height:16px;margin:0}.study-options label:has(input:checked){border-color:var(--gold);background:rgba(232,184,106,.11);color:var(--gold2)}
.study-question-actions{display:flex;gap:14px;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:18px}.study-question-actions button{width:auto;margin:0;font-size:14px}.study-question-actions .primary{min-width:220px}.study-question-form [role="status"]{font-size:12px;color:var(--gold);min-height:20px}.study-question-form button:disabled{opacity:.5;cursor:default}
.study-main{border:1px solid var(--line);border-radius:16px;background:#151f23;overflow:hidden}
.study-cover{height:260px;position:relative;background:#253136;overflow:hidden}
.study-cover img{width:100%;height:100%;object-fit:cover;display:block}
.study-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(12,20,23,.96),rgba(12,20,23,0) 75%)}
.study-cover-caption{position:absolute;z-index:1;left:26px;right:26px;bottom:23px}
.study-cover-caption small{color:var(--gold2);font-size:11px;letter-spacing:.1em}
.study-cover-caption h2{margin:8px 0 0;font-family:"Songti SC","Noto Serif SC",serif;font-size:29px;font-weight:500}
.study-main-body{padding:23px 26px 25px}
.study-node-description{color:#bbc5c7;font-size:12px;line-height:1.85;margin:0 0 20px}
.study-instructions{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;padding-top:19px;border-top:1px solid var(--line)}
.study-instruction-number{font-size:10px;letter-spacing:.08em;color:var(--gold)}
.study-instructions strong{font-size:13px;font-weight:500;display:block;margin:6px 0}
.study-instructions p{color:var(--muted);font-size:11px;line-height:1.7;margin:0}
.study-action-row{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:23px;padding-top:21px;border-top:1px solid var(--line)}
.study-action-row p{font-size:11px;line-height:1.7;color:var(--muted);margin:0;max-width:350px}
.study-action{display:inline-flex;justify-content:center;align-items:center;gap:20px;flex:none;padding:13px 21px;border:0;border-radius:10px;color:#192025;background:var(--gold);font-weight:600;font-size:13px;cursor:pointer;text-decoration:none}
.study-action:hover{background:var(--gold2)}
.study-action:disabled{opacity:.5;cursor:default}
.study-note{margin:17px 0 0;color:#8e9da1;font-size:11px;line-height:1.8}
.study-note strong{color:#bfc9cb;font-weight:500}
.study-questionnaire{display:grid;grid-template-columns:1fr 340px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#151f23}
.study-questionnaire-copy{padding:45px 38px}
.study-questionnaire-copy h2{font-size:29px;font-weight:500;font-family:"Songti SC","Noto Serif SC",serif;margin:12px 0 16px}
.study-questionnaire-copy>p{color:var(--muted);font-size:13px;line-height:1.9;max-width:490px;margin:0}
.study-questionnaire-steps{display:grid;gap:17px;margin:28px 0 0;padding:0;list-style:none}
.study-questionnaire-steps li{display:flex;align-items:center;gap:12px;font-size:12px;color:#c6cecf}
.study-questionnaire-steps span{border:1px solid rgba(232,184,106,.3);border-radius:50%;width:26px;height:26px;display:grid;place-items:center;color:var(--gold);font-size:11px}
.study-qr-panel{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px;border-left:1px solid var(--line);background:#111b1f;text-align:center}
.study-qr-placeholder{width:196px;aspect-ratio:1;display:grid;place-items:center;padding:24px;border:1px dashed #657071;border-radius:13px;color:var(--muted);font-size:12px;line-height:1.9;background:rgba(255,255,255,.025)}
.study-qr-image{width:210px;aspect-ratio:1;background:#fff;border-radius:13px;padding:10px;overflow:hidden}
.study-qr-image img{display:block;width:100%;height:100%}
.study-qr-panel>p{color:var(--muted);font-size:11px;line-height:1.7;margin:16px 0 20px}
.study-footer{display:flex;justify-content:space-between;gap:16px;padding:24px 0 0;margin-top:28px;border-top:1px solid var(--line);font-size:10px;line-height:1.8;color:#8e9da1}
@media(min-width:1450px){.study-shell{padding-top:12px}.study-heading{padding-top:44px}.study-cover{height:300px}}
@media(max-width:760px){
  .study-run-banner{align-items:stretch;flex-direction:column}.study-complete-actions{flex-direction:column}.study-options{grid-template-columns:1fr}.study-options label{justify-content:start;padding:14px}.study-question-actions{align-items:stretch;flex-direction:column}.study-answer-heading{align-items:start;flex-direction:column}.study-question-form legend{font-size:15px}
  .study-shell{width:calc(100% - 32px)}.study-top{padding:18px 0}.study-brand{font-size:12px}.study-heading{padding:28px 0 22px;align-items:start}.study-heading h1{font-size:27px}.study-preview-tag{display:none}
  .study-phases{gap:10px}.study-phase{padding:15px 12px;gap:10px}.study-phase-number{font-size:22px}.study-phase strong{font-size:13px}.study-phase small{font-size:10px}.study-phase-arrow{display:none}
  .study-layout{grid-template-columns:1fr}.study-node-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:4px}.study-node-count{display:none}.study-node-title{font-size:11px}.study-node img,.study-node-placeholder{width:28px;height:28px}.study-node{gap:7px}
  .study-cover{height:220px}.study-cover-caption{left:20px;bottom:19px}.study-main-body{padding:20px}.study-instructions{gap:10px}.study-action-row{align-items:stretch;flex-direction:column}.study-action-row p{max-width:none}.study-action{width:100%}
  .study-questionnaire{grid-template-columns:1fr}.study-questionnaire-copy{padding:26px 22px}.study-qr-panel{border-left:0;border-top:1px solid var(--line)}.study-footer{flex-direction:column;gap:3px}
}