:root{font-family:Inter,Segoe UI,Arial,sans-serif;color:#213b36;background:#f7f8f2;font-synthesis:none;line-height:1.6;--green:#204d43;--lime:#d8ed9b;--muted:#6d7d76}*{box-sizing:border-box}body{margin:0}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}a{color:inherit}header{height:100px;max-width:1280px;margin:auto;display:flex;align-items:center;gap:28px;padding:0 48px;border-bottom:1px solid #dde3d9}.brand{text-decoration:none;font-size:34px;font-weight:800;letter-spacing:-2px;display:flex;align-items:center}.brand span{font-weight:400}.brand i{width:9px;height:9px;background:#9bbd65;border-radius:50%;margin:15px 0 0 4px}.product{font-size:10px;letter-spacing:2px;border-left:1px solid #cdd7cc;padding-left:25px}.header-link{margin-left:auto;font-size:12px;text-decoration:none;color:var(--muted)}main{max-width:1280px;margin:auto;padding:64px 48px 40px;min-height:calc(100vh - 180px)}footer{max-width:1184px;margin:24px auto 0;padding:24px 0;display:flex;justify-content:space-between;border-top:1px solid #dde3d9;font-size:11px;color:var(--muted)}.landing{display:grid;grid-template-columns:1.3fr 1fr;gap:90px;align-items:center}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:700;color:#637c66;margin-bottom:22px}.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#839d4e;margin-right:8px}h1{font-weight:500;letter-spacing:-3px;font-size:66px;line-height:1.08;margin:0 0 24px}h1 em{font-family:Georgia,serif;font-weight:400;color:#6d8751}h2{font-size:24px;font-weight:500;letter-spacing:-.6px;margin:12px 0}h3{font-size:16px;font-weight:600}.intro{color:var(--muted);font-size:16px;max-width:540px;line-height:1.8}.facts{display:flex;gap:32px;margin:32px 0}.facts div{display:flex;flex-direction:column}.facts strong{font-size:18px;font-weight:500}.facts span{font-size:11px;color:var(--muted)}.notice{font-size:12px;color:#6f6c4a;background:#eeefdd;border:1px solid #e2e4cc;padding:13px 16px;border-radius:9px;margin:24px 0}.entry-card{background:#fff;border:1px solid #e1e7dd;border-radius:20px;padding:34px;box-shadow:0 15px 45px #263e3410}.entry-card p{color:var(--muted);font-size:14px}.card-icon{background:#eaf1dd;color:#658545;display:grid;place-items:center;width:46px;height:46px;border-radius:13px;font-size:24px}.entry-card label,form>label:not(.check){display:block;font-size:12px;font-weight:600;margin:25px 0 8px}input:not([type=checkbox]):not([type=radio]){width:100%;border:1px solid #ced8ce;border-radius:8px;padding:14px 15px;background:#fafcf8;color:#213b36;font-size:15px}input:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid #8daa52;outline-offset:3px}.primary,.secondary{border:0;border-radius:8px;padding:14px 20px;font-size:13px;font-weight:600;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:20px;min-height:48px}.primary{background:var(--green);color:white}.primary:hover{background:#306454}.secondary{background:#e9efdf;color:var(--green)}.entry-card .primary{width:100%;margin-top:16px;justify-content:space-between}.privacy{font-size:11px;color:var(--muted);border-top:1px solid #edf0e8;padding-top:20px;margin-top:23px}.steps{display:grid;grid-template-columns:repeat(3,1fr);margin-top:64px;border-top:1px solid #dde3d9;gap:40px;padding-top:30px}.steps b{font-size:11px;color:#8ca365}.steps h3{margin:8px 0}.steps p{font-size:12px;color:var(--muted);margin:0}.narrow{max-width:690px;margin:0 auto}.small-title{font-size:43px;letter-spacing:-1.6px;line-height:1.15}.panel{background:#fff;border:1px solid #dfe5da;border-radius:14px;padding:26px;margin:24px 0}.panel p,.narrow>p{color:var(--muted);font-size:14px}.check{display:flex;gap:13px;align-items:flex-start;font-size:14px;margin:18px 0}.check input{margin-top:6px;accent-color:var(--green);width:18px;height:18px;flex-shrink:0}.actions{display:flex;align-items:center;gap:16px;margin:24px 0;flex-wrap:wrap}.text-button{background:none;border:0;color:#617566;padding:12px 0;font-size:12px;text-decoration:underline;text-underline-offset:4px}.error{color:#ad3c37;font-size:13px}.error:empty{display:none}.center{text-align:center}.centered{justify-content:center}.session-meta{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);letter-spacing:1px}.progress{height:4px;background:#e2e8d9;border-radius:8px;margin:12px 0 40px;overflow:hidden}.progress i{display:block;height:100%;background:#8ba764}.ready-symbol{width:80px;height:80px;border-radius:50%;background:#e7efda;display:grid;place-items:center;font-size:32px;margin:40px auto 28px;color:#6d8751}.practice-art{height:170px;border-radius:15px;background:#e9efe2;display:grid;place-items:center;margin:25px 0}.practice-art div{width:80px;height:80px;border-radius:50%;background:#acb99c;box-shadow:20px 10px 0 #d0d8c2}fieldset{border:0;padding:0;margin:32px 0;text-align:left}legend{font-size:16px;font-weight:500;margin-bottom:14px}.scale{display:grid;grid-template-columns:repeat(7,1fr);gap:9px}.scale label{position:relative}.scale input{position:absolute;opacity:0;width:100%;height:100%;margin:0}.scale span{display:grid;place-items:center;height:51px;border:1px solid #d5ded0;border-radius:8px;background:white}.scale input:checked+span{background:var(--green);border-color:var(--green);color:white}.scale input:focus-visible+span{outline:3px solid #8daa52;outline-offset:2px}.anchors{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;margin-top:9px}.image-session{max-width:960px;margin:auto}.image-stage{height:58vh;min-height:260px;background:#18231f;display:flex;align-items:center;justify-content:center;border-radius:10px;overflow:hidden;color:#fff}.image-stage img{width:100%;height:100%;object-fit:contain}.image-stage img:not([src]){display:none}.image-stage #loading{position:absolute}.dashboard-heading{display:flex;justify-content:space-between;align-items:center;gap:20px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:30px 0}.stats>div{background:#fff;border:1px solid #e0e6da;border-radius:12px;padding:22px}.stats strong{display:block;font-size:32px;font-weight:500}.stats span,.muted{font-size:12px;color:var(--muted)}table{width:100%;border-collapse:collapse;font-size:13px;text-align:left}th{font-size:11px;font-weight:500;color:var(--muted);padding:15px 10px;border-bottom:1px solid #dce4d6}td{padding:16px 10px;border-bottom:1px solid #edf0e9}.table-wrap{overflow:auto}.badge{background:#edf2e5;border-radius:20px;padding:5px 9px;font-size:11px}code{font-size:14px}#new-code{color:#37664c;font-weight:600}@media(max-width:900px){.landing{gap:30px}h1{font-size:48px}.facts{gap:20px}.entry-card{padding:24px}.product{display:none}header{height:80px}main{padding:40px 25px}footer{margin:20px 25px}.stats{grid-template-columns:repeat(2,1fr)}}@media(max-width:650px){header{padding:0 24px}.brand{font-size:29px}.header-link{font-size:11px}.landing{grid-template-columns:1fr;gap:28px}h1{font-size:48px}.small-title{font-size:34px}.intro{font-size:14px}.facts{justify-content:space-between;gap:12px}.facts strong{font-size:16px}.facts span{font-size:10px}.steps{gap:15px;margin-top:35px}.steps h3{font-size:13px}.steps p{font-size:11px}footer span:last-child{display:none}.panel{padding:20px}.scale{gap:5px}.scale span{height:45px}.dashboard-heading{align-items:flex-start;flex-direction:column}.stats{gap:10px}.stats>div{padding:16px}.image-stage{height:55vh}.actions{gap:10px}.eyebrow{margin-bottom:16px}}


/* Compact mobile app shell. Content remains scrollable on small screens and with enlarged text. */
@media(max-width:650px){
  body{background:#f3f6ed}
  #app{min-height:100svh;display:flex;flex-direction:column}
  header{height:58px;min-height:58px;width:100%;padding:0 20px;padding-top:env(safe-area-inset-top);background:#f7f8f2}
  .brand{font-size:27px}.header-link{font-size:11px}
  main{width:100%;min-height:0;flex:1;padding:22px 20px max(18px,env(safe-area-inset-bottom))}
  footer{display:none}
  .landing{gap:14px}.home-screen{padding-top:22px}
  .home-screen h1{font-size:35px;line-height:1.08;letter-spacing:-1.5px;margin-bottom:12px}
  .home-screen h1 br:first-of-type{display:none}
  .home-screen h1 br:first-of-type::after{content:' '}
  .home-screen .intro{display:none}
  .home-screen .eyebrow{font-size:9px;margin-bottom:10px}
  .home-screen .facts{margin:14px 0 12px;gap:12px}
  .home-screen .facts strong{font-size:15px}.home-screen .facts span{font-size:10px}
  .home-screen .notice{font-size:10px;padding:8px 10px;margin:10px 0 0;line-height:1.4}
  .entry-card{padding:18px;border-radius:17px;box-shadow:0 8px 25px #263e3408}
  .entry-card .card-icon,.entry-card>p,.steps{display:none}
  .entry-card h2{font-size:20px;margin:0 0 12px}
  .entry-card label{margin:0 0 7px}
  input:not([type=checkbox]):not([type=radio]){font-size:16px;padding:12px}
  .entry-card .primary{margin-top:12px}
  .entry-card .privacy{margin-top:12px;padding-top:10px;font-size:10px}
  .entry-card #resume{padding:9px 0 0}
  .small-title{font-size:28px;letter-spacing:-1px;margin:0 0 12px}
  .eyebrow{font-size:9px;margin-bottom:12px}
  .narrow>p{font-size:13px;line-height:1.55;margin:10px 0 18px}
  .progress{margin:8px 0 22px}.session-meta{font-size:10px}
  .ready-symbol{width:64px;height:64px;font-size:27px;margin:28px auto 22px}
  .primary,.secondary{min-height:46px;font-size:13px}
  .narrow> .primary,.narrow form>.primary{width:100%}
  .actions{margin:16px 0;gap:12px}
  #rating .actions{position:sticky;bottom:0;background:#f3f6ed;padding:10px 0 max(6px,env(safe-area-inset-bottom));margin:12px 0 0;display:grid;grid-template-columns:1fr auto}
  #rating~#stop{display:block;margin:0 auto;padding:8px 12px;min-height:40px}
  fieldset{margin:20px 0}legend{font-size:14px;margin-bottom:10px}
  .scale{gap:5px}.scale span{height:44px}.anchors{font-size:10px;margin-top:6px}
  .practice-art{height:90px;margin:14px 0}.practice-art div{width:46px;height:46px}
  .study:has(#practice){padding-top:16px}.study:has(#practice) .small-title{font-size:26px}
  .study:has(#practice) .narrow>p{margin:8px 0;font-size:12px}
  .study:has(#practice) fieldset{margin:15px 0}
  .study:has(#practice) .eyebrow{margin-bottom:8px}
  .image-session{display:flex;flex-direction:column;min-height:calc(100svh - 108px)}
  .image-session .progress{margin-bottom:14px}
  .image-stage{position:relative;flex:1;height:calc(100svh - 235px);min-height:160px;max-height:70svh}
  .image-session .actions{display:grid;grid-template-columns:1fr auto;margin:12px 0 0;gap:6px}
  .image-session #countdown{font-size:12px}.image-session #stop{grid-column:1/-1;padding:7px;min-height:36px}
  .panel{padding:16px;margin:18px 0}.panel p{font-size:13px}
  .check{font-size:13px;margin:14px 0}
  .researcher main{padding-top:24px}
}
@media(max-width:650px) and (max-height:700px){
  main{padding-top:16px}.home-screen h1{font-size:30px}.home-screen .facts{margin:10px 0}.landing{gap:10px}
  .home-screen .notice{font-size:9px}.entry-card{padding:15px}
  .ready-symbol{margin-top:16px}.study .progress{margin-bottom:15px}
  .study .small-title{font-size:25px}.study fieldset{margin:16px 0}
  .practice-art{height:64px}.study:has(#practice) .narrow>p{font-size:11px}
}
@media(max-width:650px){.home-screen h1 br:first-of-type{display:initial}}

/* Branded launch and live exposure feedback. */
.splash{position:fixed;inset:0;z-index:100;background:#193e38;color:#f5f8eb;display:flex;align-items:center;justify-content:center;flex-direction:column;min-height:100svh}
.splash-mark{font-size:70px;font-weight:800;letter-spacing:-5px;display:flex;align-items:center;line-height:1.2;animation:splash-in .6s ease-out both}
.splash-mark>span{font-weight:350}.splash-mark i{width:13px;height:13px;background:#c6e58a;border-radius:50%;margin:30px 0 0 9px}
.splash>p{font-size:14px;color:#c0d0c4;letter-spacing:.4px;margin:20px 0 38px}
.splash-loader{width:112px;height:3px;border-radius:4px;background:#ffffff20;overflow:hidden}.splash-loader span{display:block;height:100%;width:45%;border-radius:4px;background:#c6e58a;animation:splash-load 1s ease-in-out infinite}
.splash small{position:absolute;bottom:max(32px,env(safe-area-inset-bottom));font-size:9px;letter-spacing:3px;color:#9db5a7}
@keyframes splash-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes splash-load{from{transform:translateX(-110%)}to{transform:translateX(330%)}}
.exposure-timer{display:flex;align-items:center;gap:13px;background:#e8efdf;border:1px solid #dce5d2;border-radius:13px;padding:11px 15px;margin-top:14px}
.timer-dial{width:44px;height:44px;position:relative;flex-shrink:0}.timer-dial svg{width:100%;height:100%;transform:rotate(-90deg)}.timer-dial circle{fill:none;stroke-width:3}.timer-track{stroke:#cedcc3}.timer-ring{stroke:#507445;stroke-dasharray:100;stroke-dashoffset:0;stroke-linecap:round}.timer-dial>span{position:absolute;inset:0;display:grid;place-items:center;font-size:13px;font-weight:650;font-variant-numeric:tabular-nums}
.exposure-timer strong{display:block;font-size:13px;font-weight:600}.exposure-timer>div>span:not(#countdown){display:block;font-size:11px;color:#6d7d76}.timer-status{margin-left:auto;color:#88a269;font-size:22px}
.image-stage #loading[hidden]{display:none}
@media(max-width:650px){.image-stage{height:calc(100svh - 320px);max-height:62svh}.image-session .actions{grid-template-columns:1fr 1fr}.image-session #stop{grid-column:auto}.exposure-timer{padding:9px 12px;margin-top:12px;gap:10px}.exposure-timer strong{font-size:12px}.exposure-timer>div>span:not(#countdown){font-size:10px}.image-session #skip{width:100%}.timer-status{font-size:18px}}
@media(prefers-reduced-motion:reduce){.splash-mark,.splash-loader span{animation:none}.splash-loader span{width:100%}}

/* Keep the participant entry card centered in the available landing screen. */
main.home-screen{display:flex;flex-direction:column;justify-content:center}
.home-screen .landing{width:100%}
@media(max-width:650px){
  main.home-screen{padding-top:20px;padding-bottom:max(20px,env(safe-area-inset-bottom))}
  .home-screen .landing{display:flex;flex-direction:column;position:relative;gap:0}
  .home-screen .landing>section:first-child{position:absolute;bottom:calc(100% + 20px);width:100%}
  .home-screen .landing>section:first-child .facts{margin:0}
  .home-screen .entry-card{width:100%}
}
@media(max-width:650px) and (max-height:500px){
  .home-screen .landing>section:first-child{position:static;margin-bottom:16px}
}

/* Place the session facts below the centered participant entry. */
@media(max-width:650px){
  .home-screen .landing>section:first-child{position:static;order:2;margin:20px 0 0;width:100%}
  .home-screen .landing>section:first-child .facts{margin:0}
  .home-screen .entry-card{order:1}
}

/* Anchor session facts at the bottom; keep entry controls centered above. */
@media(max-width:650px){
  main.home-screen{position:relative;padding-bottom:max(100px,calc(80px + env(safe-area-inset-bottom)))}
  .home-screen .landing{position:static}
  .home-screen .landing>section:first-child{position:absolute;left:20px;right:20px;bottom:max(24px,env(safe-area-inset-bottom));width:auto;margin:0}
  .home-screen .landing>section:first-child .facts{padding-top:16px;border-top:1px solid #dce4d6}
}
@media(max-width:650px) and (max-height:480px){
  main.home-screen{padding-bottom:20px}
  .home-screen .landing>section:first-child{position:static;order:2;margin-top:20px;width:100%}
}

.image-stage{touch-action:none;isolation:isolate}
.image-stage img{transition:transform 180ms ease-out;transform:scale(1);user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
.image-stage img.pinching{transition:none;will-change:transform}
@media(prefers-reduced-motion:reduce){.image-stage img{transition:none}}

/* Scale the whole frame above surrounding UI, rather than cropping a scaled image. */
body{overflow-x:clip}
.image-stage{position:relative;transform:scale(1);transition:transform 180ms ease-out;z-index:2}
.image-stage.pinching{transition:none;will-change:transform;z-index:20}
.image-stage img{transition:none;transform:none}
@media(prefers-reduced-motion:reduce){.image-stage{transition:none}}