:root{color-scheme:light;--ink:#20232a;--muted:#5c626c;--line:#e1e4e8;--paper:#faf9f6;--accent:#ba4a26}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,Arial,sans-serif;line-height:1.65}a{color:inherit;text-underline-offset:4px}header,main,footer{max-width:1120px;margin:auto;padding:0 28px}header{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:88px;border-bottom:1px solid var(--line)}.brand{text-decoration:none;font-size:24px;letter-spacing:-1px;font-weight:800}.brand span{display:inline-grid;place-items:center;width:32px;height:32px;background:var(--ink);color:white;border-radius:9px;font-size:19px;margin-right:10px}nav{display:flex;align-items:center;gap:24px;font-size:14px}nav a{text-decoration:none}nav a:hover{text-decoration:underline}.hero{display:grid;grid-template-columns:1.15fr 1fr;gap:52px;padding:72px 0 64px;align-items:start}.eyebrow{font-size:12px;letter-spacing:.14em;color:var(--accent);font-weight:700;text-transform:uppercase;margin:0 0 18px}h1{font-size:clamp(34px,4.2vw,56px);line-height:1.12;letter-spacing:-.035em;max-width:670px;margin:0 0 26px}h2{font-size:30px;line-height:1.25;letter-spacing:-.02em;margin:0 0 22px}h3{font-size:19px;line-height:1.4;margin:0 0 12px}.lead{font-size:19px;color:var(--muted);margin:0 0 28px}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 23px;border-radius:8px;background:var(--ink);color:white;font-weight:600;text-decoration:none;line-height:1.4}.button:hover{background:#40444c}.button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.subnote{color:var(--muted);font-size:13px;margin-top:14px}.prompt{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:0 10px 30px #20232a06}.prompt-label{color:var(--muted);font-size:12px;letter-spacing:.09em;text-transform:uppercase;margin:0 0 16px}.prompt blockquote{margin:0 0 25px;font-size:20px;line-height:1.5}.prompt a{font-size:14px;color:var(--accent);font-weight:600}.prompt p:last-child{color:var(--muted);font-size:13px;margin-bottom:0}.section{padding:42px 0;border-top:1px solid var(--line)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}.card{padding:24px 0}.card .number{font:13px ui-monospace,monospace;color:var(--accent);margin-bottom:18px}.card p{color:var(--muted);margin:0 0 18px}.card a{font-size:14px;font-weight:600}.steps{padding-left:24px;max-width:800px}.steps li{padding:8px 0 8px 8px}.wide{max-width:800px;color:var(--muted)}details{padding:18px 0;border-top:1px solid var(--line);max-width:870px}summary{cursor:pointer;font-size:18px;font-weight:600}details p{max-width:800px;color:var(--muted);margin-bottom:4px}.next{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:40px 0 56px}.next p{margin:0;color:var(--muted)}footer{display:flex;flex-wrap:wrap;gap:18px 28px;padding-top:28px;padding-bottom:35px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}footer .legal-note{width:100%;max-width:850px;font-size:12px}body[data-scenario=research] .prompt{border-top:4px solid var(--accent)}@media(max-width:780px){header,main,footer{padding-left:22px;padding-right:22px}header{min-height:74px}nav{gap:16px}nav .optional{display:none}.hero{grid-template-columns:1fr;gap:28px;padding-top:42px;padding-bottom:38px}.lead{font-size:17px}.prompt blockquote{font-size:18px}.grid{grid-template-columns:1fr;gap:0}.card{padding:22px 0;border-bottom:1px solid var(--line)}h2{font-size:25px}.section{padding:32px 0}.next{align-items:flex-start;flex-direction:column;gap:20px}.button{min-height:48px}}@media(prefers-reduced-motion:no-preference){a,button{transition:background-color .15s ease}}