:root{font-family:Arial,Helvetica,sans-serif;color:#20382d;background:#f5f5ed;font-synthesis:none;--green:#214b35;--muted:#617166}*{box-sizing:border-box}body{margin:0}header,main,body>footer{max-width:1216px;margin:auto}header{padding:38px 40px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #dce1d5}.brand{font-size:39px;letter-spacing:-3px;font-weight:750;text-decoration:none;color:var(--green);display:flex;align-items:center;gap:5px}.brand-dot{width:8px;height:8px;border-radius:50%;background:#d4ab63;align-self:flex-start;margin-top:10px}.header-label,.eyebrow{font-size:10px;letter-spacing:2.1px;font-weight:700}.header-label{color:var(--muted)}main{padding:78px 40px 85px;display:grid;grid-template-columns:1.22fr 1fr;gap:80px;align-items:start}.eyebrow{display:block;color:#65795e;margin:12px 0 27px}h1{font-size:clamp(48px,5.6vw,77px);font-weight:450;line-height:1.07;letter-spacing:-4px;margin:0 0 30px}h1 em{font-family:Georgia,serif;font-weight:400;color:#54744c}.lead{font-size:21px;margin:0 0 16px}.description{font-size:16px;line-height:1.8;color:var(--muted);max-width:455px}.steps{display:flex;margin-top:40px;padding-top:25px;border-top:1px solid #dce1d5;gap:25px}.steps>div{flex:1}.steps span{font-size:11px;color:#748365}.steps p{font-size:12px;line-height:1.6}.small-note{font-size:11px;line-height:1.7;color:#788174;max-width:430px;margin-top:29px}.card{background:#fffef9;border:1px solid #e0e5d9;border-radius:22px;padding:35px 36px 24px;box-shadow:0 14px 60px #283e2908}.card-mark{height:48px;display:flex;align-items:center;gap:5px;margin-bottom:27px}.card-mark span{display:block;border-radius:20px;width:10px;background:#b5c6a1;transform:rotate(28deg);height:27px}.card-mark span:nth-child(2){height:43px;background:#66825b}.card-mark span:nth-child(3){height:34px;background:#d9e1c6}.pill{display:inline-block;font-size:9px;letter-spacing:1.5px;background:#edf1e4;color:#566747;border-radius:20px;padding:8px 12px;font-weight:bold}h2{font-size:31px;line-height:1.2;letter-spacing:-1px;font-weight:500;margin:22px 0 16px}.card p{font-size:13px;line-height:1.75;color:var(--muted)}form{margin-top:25px}label{display:block;font-size:12px;font-weight:600;margin-bottom:10px}input[type=email]{border:1px solid #d4ddcd;border-radius:9px;width:100%;font:inherit;font-size:14px;padding:15px 14px;background:white;color:#20382d}input:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid #9cb57a;outline-offset:3px}.card .hint{font-size:10px;margin:8px 0 21px}.acknowledgement{display:flex;gap:9px;font-size:11px;line-height:1.6;color:var(--muted);font-weight:400}.acknowledgement input{margin:3px 0;flex-shrink:0;accent-color:var(--green)}button,.button{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;padding:16px 18px;margin-top:22px;border:0;border-radius:9px;background:var(--green);color:white;font-size:13px;cursor:pointer;text-decoration:none}button:disabled{opacity:.6;cursor:wait}.card-footer{margin-top:28px;padding-top:18px;border-top:1px solid #e8ebdf;display:flex;gap:8px;align-items:center;font-size:10px;color:#798171}.dot{height:5px;width:5px;background:#92a477;border-radius:50%;flex-shrink:0}.secondary-link{display:inline-block;color:var(--green);font-size:13px;margin-top:18px}#feedback:empty{display:none}#feedback{padding:12px;background:#f0f3e7;border-radius:8px}.trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}body>footer{border-top:1px solid #dce1d5;padding:25px 40px;display:flex;justify-content:space-between;gap:20px;color:#788174;font-size:10px;line-height:1.8}footer nav{display:flex;gap:22px}footer a{color:inherit}.divider{padding:0 12px}[hidden]{display:none!important}@media(max-width:800px){header{padding:25px}.header-label{font-size:8px;letter-spacing:1px}main{padding:35px 25px 50px;grid-template-columns:1fr;gap:30px}h1{font-size:60px;letter-spacing:-3px}.description{max-width:100%}.steps{margin-top:27px}.card{padding:28px}.small-note{max-width:100%}body>footer{padding:22px 25px;flex-direction:column;gap:8px}}@media(prefers-reduced-motion:no-preference){button:hover,.button:hover{background:#326348;transition:background .15s}}

/* Keep the current action first in visual, reading and keyboard order. */
main.action-first{display:flex;flex-direction:column;max-width:720px;gap:36px;padding:38px 32px 64px}
.action-first>.card,.action-first>.intro{width:100%}
.action-first .card h1{font-size:32px;line-height:1.2;letter-spacing:-1px;font-weight:500;margin:20px 0 12px}
.action-first .intro{border-top:1px solid #dce1d5;padding:24px 8px 0}
.action-first .eyebrow{margin:0 0 14px;font-size:9px}
.action-first .detail-title{font-size:25px;line-height:1.25;letter-spacing:-.6px;margin:0 0 12px}
.action-first .lead{font-size:14px;color:var(--muted);margin:0 0 12px}
.action-first .description{max-width:none;font-size:14px;line-height:1.8}
.action-first .steps{margin-top:24px;padding-top:18px}
.action-first .small-note{max-width:none;margin-top:20px}
@media(max-width:800px){main.action-first{padding:24px 20px 44px;gap:28px}.action-first .card{padding:25px 24px 22px}.action-first .card h1{font-size:29px}.action-first .intro{padding:22px 4px 0}}

.environment-banner{display:block;width:100%;background:#f4d58b;border-bottom:1px solid #dfbc70;color:#49391b;text-align:center;padding:14px 24px;font-size:12px;font-weight:600;line-height:1.6;letter-spacing:.1px}
@media(max-width:800px){.environment-banner{padding:12px 18px;font-size:11px}}

/* Introduce the study before signup; later steps keep the action-first layout. */
main.study-overview{grid-template-columns:1.15fr 1fr;gap:64px;padding:56px 40px 72px}
.study-overview .intro{padding-top:6px}
.study-overview .detail-title{font-size:44px;line-height:1.15;letter-spacing:-1.5px;margin:0 0 24px}
.study-overview .card h1{font-size:32px;line-height:1.2;letter-spacing:-1px;font-weight:500;margin:20px 0 12px}
@media(max-width:800px){main.study-overview{grid-template-columns:1fr;gap:30px;padding:28px 24px 48px}.study-overview .detail-title{font-size:36px}.study-overview .card h1{font-size:29px}}

.header-actions{display:flex;align-items:center;gap:20px}
.header-reset{display:inline-flex;width:auto;margin:0;padding:9px 13px;border:1px solid #b9c5ae;background:transparent;color:var(--green);font-size:11px;white-space:nowrap}
.header-reset:hover{background:#e8eddf;color:var(--green)}
@media(max-width:640px){.header-actions{flex-direction:column;align-items:flex-end;gap:10px}.header-reset{padding:8px 10px;font-size:10px}}

.research-id-display{margin:22px 0;padding:16px;border:1px solid #dce1d5;border-radius:10px;background:#f6f7ef}
.research-id-display>span{display:block;color:var(--muted);font-size:11px;margin-bottom:10px}
.research-id-display>div{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.research-id-display code{font-family:ui-monospace,monospace;font-size:20px;letter-spacing:1px;user-select:all;overflow-wrap:anywhere}
.research-id-display button{width:auto;margin:0;padding:9px 12px;font-size:11px}