.case-art{margin:28px 0;padding:24px;background:radial-gradient(ellipse at 50% 30%,#f9ffed,#e8efdf);border-radius:28px;box-shadow:0 0 0 1px rgba(0,0,0,.04),0 12px 35px rgba(0,0,0,.04);perspective:1000px;overflow:hidden;}
.case-art-top{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;}
.demo-tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.02em;padding:7px 10px;background:#fff;border-radius:8px;color:#31513c;}
.case-art img{display:block;width:100%;height:auto;outline:1px solid rgba(0,0,0,.1);outline-offset:-1px;border-radius:18px;transform:rotateX(4deg) rotateY(-4deg);transition:transform 500ms cubic-bezier(.2,0,0,1);}
.case-art[data-stage="1"] img{transform:rotateX(-3deg) rotateY(5deg) translateY(-5px);}
.case-art[data-stage="2"] img{transform:rotateX(3deg) rotateY(-6deg) translateY(-2px);}
.story-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:0;list-style:none;counter-reset:story;}
.story-steps li{padding:12px;background:#ffffff90;border-radius:12px;color:#53614f;font-size:13px;transition:background-color 200ms,color 200ms;counter-increment:story;}
.story-steps li:before{content:'0' counter(story);display:block;font-weight:700;margin-bottom:8px;color:#4d7937;}
.story-steps .is-current{background:#204d39;color:#fff;}.story-steps .is-current:before{color:#c7ef8a;}
.case-art figcaption{font-size:12px;line-height:1.7;color:#576951;margin-top:18px;}.story-status{display:block;font-size:12px;margin-top:12px;}
.story-next,.case-analysis .button{min-height:44px;transition:scale 150ms,background-color 150ms;}.story-next:active,.case-analysis .button:active{scale:.96;}
.case-analysis{padding:28px;border-radius:24px;background:#f1f5ec;box-shadow:0 0 0 1px rgba(0,0,0,.05);}
.analysis-inputs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:24px 0;}
.analysis-inputs label{font-size:13px;display:flex;flex-direction:column;gap:8px;color:#3e5948;}
.analysis-inputs input{width:100%;min-width:0;padding:14px;border:1px solid #b8c7b1;border-radius:10px;background:#fff;color:#142b23;font:inherit;font-size:18px;font-variant-numeric:tabular-nums;}
.analysis-inputs input:focus-visible{outline:3px solid #99bf75;outline-offset:2px;}
.analysis-results{display:grid;gap:18px;}.analysis-results[hidden],.story-next[hidden]{display:none;}
.analysis-result{display:grid;grid-template-columns:1fr auto;gap:8px 18px;font-size:13px;}.analysis-result strong{font-variant-numeric:tabular-nums;}
.analysis-bar{grid-column:1/-1;display:block;height:8px;border-radius:4px;background:#dce6d5;overflow:hidden;}.analysis-bar i{display:block;height:100%;border-radius:4px;background:#427d4d;}
.case-library .resource-card{padding-top:28px;}.case-number{font-size:42px;font-weight:650;color:#8aa076;line-height:1;margin-bottom:20px;}.case-library .demo-tag{margin-bottom:16px;}
@media(hover:hover) and (prefers-reduced-motion:no-preference){.case-art:hover img{transform:rotateX(0deg) rotateY(0deg) translateY(-4px);}}
@media(max-width:600px){.case-art,.case-analysis{padding:18px;border-radius:22px;}.analysis-inputs{grid-template-columns:1fr;}.story-steps{grid-template-columns:1fr;gap:8px;}.story-steps li:before{display:inline;margin-right:12px;}.case-art-top .eyebrow{font-size:9px;}.analysis-result{grid-template-columns:1fr;}.analysis-bar{grid-column:1;}}
@media(prefers-reduced-motion:reduce){.case-art img,.case-art[data-stage] img{transform:none;transition:none;}.story-steps li,.story-next,.case-analysis .button{transition:none;}.story-next:active,.case-analysis .button:active{scale:1;}}