.walkthrough{max-width:1180px}.tour-hero{display:grid;grid-template-columns:1.25fr 1fr;gap:3rem;align-items:center;padding:2rem 0 4rem}.tour-hero h1{font-size:clamp(2.6rem,5vw,4.6rem);line-height:1.06;letter-spacing:-.045em}.tour-hero h1 em{color:#196d63;font-style:normal}.tour-hero p{max-width:62ch}.tour-map{background:linear-gradient(145deg,#0d303b,#174f4b);color:#f4fffa;padding:2rem;border-radius:24px;box-shadow:0 24px 50px #163b3c20}.tour-map .eyebrow{color:#b8e6d5}.tour-map ol{padding:0;list-style:none;display:grid;gap:1.5rem}.tour-map li{display:flex;gap:1rem;align-items:start}.tour-map li>span{border:1px solid #8bbdaf;border-radius:50%;padding:.6rem;font-size:.8rem}.tour-map strong{font-size:1.1rem}.tour-map li p{margin:.25rem 0;color:#d6e8e3}.tour-exercise,.tour-next,.tour-purchase{scroll-margin-top:8rem;margin-bottom:3rem;padding:clamp(1.2rem,4vw,2.5rem);border:1px solid #c8dcd9;border-radius:24px;background:#fff}.tour-evidence{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin:1.5rem 0}.tour-evidence article{background:#eef5f3;border:1px solid #d8e5e0;border-radius:16px;padding:1.25rem}.tour-evidence h3{font-size:1rem;margin:0 0 .6rem}.tour-evidence p{margin:0}.tour-decision{border-top:1px solid #d5e1de;padding-top:1.5rem}.tour-decision fieldset{border:0;padding:0;margin:0 0 1rem;min-width:0}.tour-decision legend{font-weight:700;font-size:1.2rem;margin-bottom:1rem}.tour-decision label{display:flex;align-items:start;gap:.85rem;background:#f8faf9;border:1px solid #bdceca;border-radius:12px;padding:1rem;margin:.6rem 0;cursor:pointer}.tour-decision input[type=radio]{appearance:auto;flex:0 0 20px;width:20px;height:20px;min-height:20px;margin:.15rem 0 0;padding:0;accent-color:#196d63}.tour-decision label:has(input:checked){background:#e4f3ed;border-color:#196d63}.tour-decision label:focus-within{outline:3px solid #257b70;outline-offset:3px}.tour-feedback{min-height:4rem;padding:1rem;background:#eef5f3;border-left:4px solid #196d63;border-radius:4px}.tour-worked{padding:1rem 0;border-top:1px solid #c8dcd9}.tour-worked summary{font-weight:700;cursor:pointer;min-height:44px;padding:.65rem}.tour-worked p{padding:0 .65rem}.tour-next{background:#e8f4ee}.tour-purchase ol{padding-left:1.4rem;display:grid;gap:1rem}.walkthrough .actions{flex-wrap:wrap}.walkthrough a:focus-visible,.walkthrough summary:focus-visible,.walkthrough button:focus-visible{outline:3px solid #257b70;outline-offset:4px}@media(max-width:800px){.tour-hero{grid-template-columns:1fr;gap:1.5rem;padding-bottom:2rem}.tour-evidence{grid-template-columns:1fr}.tour-map{padding:1.5rem}}@media(prefers-reduced-motion:reduce){.walkthrough *{scroll-behavior:auto;transition:none;animation:none}}