/* E500 v0.4 — Clear mint, cream and copper: accessibility-first */
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html{scroll-padding-top:113px}body{background:#FCFDF9;color:#1E3427}
.value-signal{background:#E7F5D8}.theory-core{margin-top:33px;margin-bottom:37px;border:1px solid #D7E9D1;border-radius:19px;background:#FFFFFF;overflow:hidden;box-shadow:0 16px 44px rgba(46,100,51,.055)}
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.era-deep{margin-top:20px;padding-top:19px;border-top:1px solid #DFEBDC}.era-deep-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.era-deep-grid>div{padding:16px;background:#F5FAF1;border:1px solid #E0EDD9;border-radius:9px}.era-deep-grid span,.era-boundary strong,.era-research strong{font-size:10px;font-weight:900;letter-spacing:.08em;color:#398049}.era-deep-grid p,.era-boundary p,.era-research p{margin:7px 0 0;font-size:12px;color:#405748;line-height:1.72}.era-boundary,.era-research{margin-top:10px;padding:14px 17px;border-radius:8px;background:#FFF8EB;border:1px solid #F0E4C9}.era-research{background:#EDF7E9;border-color:#D2E8CA}.era-boundary strong{color:#916D3E}
/* Feedback survey: visible chip groups, high contrast, no hidden dropdown */
.survey-intro{padding-bottom:20px}.survey-intro h1{font-size:clamp(38px,4vw,58px)}.survey-intro>p{max-width:850px}.survey-meta{display:flex;gap:9px;flex-wrap:wrap;margin-top:17px}.survey-meta span{border:1px solid #DCE9D5;background:white;border-radius:7px;color:#507055;font-size:11px;padding:7px 12px}.survey-container{padding-bottom:70px}.survey-form{width:100%}.survey-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.survey-card{margin:0;min-width:0;background:white;border:1px solid #D8E7D5;border-radius:13px;box-shadow:0 9px 24px rgba(35,77,44,.035);padding:23px 21px 21px}.survey-card legend,.survey-card-title{display:flex;align-items:center;gap:9px;color:#264C34;font-size:15px;font-weight:850;line-height:1.42;letter-spacing:-.015em;margin-bottom:18px;padding:0;max-width:100%}.survey-card legend span,.survey-card-title span{background:#DBF0D2;color:#2D7D46;border-radius:7px;padding:5px 7px;font-size:11px}.survey-card legend small{font-size:10px;margin-left:auto;white-space:nowrap;color:#6C866E;font-weight:700}.chip-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.choice-chip{display:block;position:relative;min-width:0;cursor:pointer}.choice-chip>input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%;margin:0}.choice-chip>span{display:flex;align-items:center;justify-content:flex-start;position:relative;min-height:52px;padding:12px 13px;border-radius:9px;border:1.5px solid #D8E4D4;background:#F8FBF5;font-size:12px;line-height:1.4;font-weight:750;color:#355A40;transition:background .13s,border-color .13s,color .13s,box-shadow .13s}.choice-chip input[type=checkbox]+span{background:#F2F7FF;border-color:#D7E4F4;color:#375779}.choice-chip input:checked+span{border-color:#4E9A5F;background:#E3F5D9;color:#1E5B31;box-shadow:inset 0 0 0 1px #70B36C}.choice-chip input[type=checkbox]:checked+span{background:#E0F2E6;color:#275E43;border-color:#62A980}.choice-chip input:checked+span:after{content:'✓';margin-left:auto;padding-left:7px;font-weight:900;color:#287E42}.choice-chip input:focus-visible+span{outline:3px solid #A1C869;outline-offset:2px}.choice-chip:hover>span{border-color:#84B788}.choice-chip b{white-space:nowrap;color:inherit;font-weight:900}.chip-topic input[type=checkbox]+span{background:#FFF8EC;border-color:#F0DFC6;color:#7A5937}.chip-topic input[type=checkbox]:checked+span{background:#FFF0D7;border-color:#D3A56C;color:#714C20;box-shadow:inset 0 0 0 1px #E4BA83}.chip-topic input:checked+span:after{color:#9B6B26}
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/* Thank you, deliberately user-led next action */
.thanks-layout{max-width:890px;padding:95px 50px 115px;min-height:75vh;text-align:center}.thanks-success-icon{width:66px;height:66px;display:flex;align-items:center;justify-content:center;font-size:34px;font-weight:900;background:#D9F2D0;color:#2F7543;border:1px solid #B5DCAC;border-radius:50%;margin:0 auto 20px}.thanks-layout h1{font-size:clamp(38px,5vw,60px);line-height:1.16;letter-spacing:-.04em;margin:12px auto 19px}.thanks-lead{color:#4F6F54;font-size:15px;line-height:1.8;max-width:630px;margin:0 auto}.thanks-ticket{display:grid;grid-template-columns:1.15fr 1fr 1.25fr;gap:9px;margin-top:30px}.thanks-ticket>div{padding:18px 10px;background:#fff;border:1px solid #D8E8D4;border-radius:11px;display:flex;flex-direction:column;gap:6px}.thanks-ticket span{font-weight:850;font-size:10px;color:#729074;letter-spacing:.07em}.thanks-ticket strong{font-size:13px;color:#2F573B;overflow-wrap:anywhere}.thanks-ticket strong.confirmed{color:#2D8545}.thanks-mail-note{padding:13px;background:#F0F9E9;border-radius:8px;color:#4D7253;font-size:12px;line-height:1.8;margin:18px auto}.thanks-actions{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:11px;margin-top:24px}.thanks-ethics{font-size:11px;line-height:1.7;color:#768476;max-width:580px;margin:30px auto 0}
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@media(max-width:800px){.theory-top{padding:26px}.theory-index{font-size:50px}.theory-foot{display:block;padding:16px 25px}.theory-foot strong{display:block;margin-bottom:6px}.theory-foot .text-button{display:block;margin-top:9px}.survey-grid,.survey-bottom{grid-template-columns:1fr}.survey-card{padding:21px}.survey-container{padding-bottom:48px}.thanks-layout{padding:70px 10px 100px}}
@media(max-width:560px){.theory-core{margin-top:12px}.theory-top{padding:23px 20px;display:block}.theory-index{font-size:40px;margin-top:14px;display:inline-block}.theory-index small{text-align:left}.causal-grid,.principle-grid{grid-template-columns:1fr}.causal-grid>div{min-height:0;padding:13px 19px;border-right:0}.causal-grid>div:not(:last-child):after{content:'↓';left:calc(50% - 12px);right:auto;top:auto;bottom:-11px}.causal-grid strong{margin:4px 0}.causal-grid p{font-size:11px}.theory-top h2{font-size:29px}.principle-grid article{min-height:0}.historical-principles h2{font-size:29px}.era-deep-grid{grid-template-columns:1fr}.survey-intro{padding-top:31px}.survey-intro h1{font-size:38px}.survey-card{padding:17px 14px}.chip-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.choice-chip>span{font-size:11px;padding:10px;min-height:59px}.survey-bottom-left,.survey-bottom-right{padding:18px}.survey-submitbar{display:block}.survey-submitbar .submit{width:100%;margin-top:13px}.thanks-ticket{grid-template-columns:1fr}.thanks-layout h1{font-size:36px}.thanks-actions .btn{width:100%}.site-footer{margin-top:0}}
@media(prefers-reduced-motion:reduce){.choice-chip>span,.score-chip>span{transition:none}}