:root{--background:#f6f7f9;--surface:#fff;--foreground:#0f172a;--muted:#515b6b;--primary:#169cee;--border:#dfe4eb;--accent:#eaf6ff;--footer:#0a1120;--on-dark:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--background);color:var(--foreground);font-family:Manrope,Arial,sans-serif;line-height:1.8}h1,h2,h3{font-family:Sora,Arial,sans-serif;line-height:1.3;letter-spacing:0}a{color:var(--primary);text-underline-offset:4px}a:focus-visible{outline:3px solid var(--primary);outline-offset:5px}header{background:var(--surface);border-bottom:1px solid var(--border)}.header-inner{max-width:1120px;margin:auto;padding:18px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}.logo{width:160px;height:auto;display:block}.header-inner nav{display:flex;flex-wrap:wrap;gap:20px;font-size:14px;font-weight:700}.header-inner nav a{color:var(--foreground);text-decoration:none}main{max-width:840px;margin:auto;padding:36px 24px 72px}.breadcrumb{font-size:13px}.eyebrow{margin-top:36px;color:var(--primary);font-size:13px;font-weight:800;text-transform:uppercase}h1{font-size:42px;margin:16px 0}.intro{font-size:20px;color:var(--muted)}.meta{font-size:14px;color:var(--muted)}.cover{width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;border-radius:8px;margin-top:22px}figcaption{font-size:12px;color:var(--muted)}figure{margin:0}.summary{border-left:4px solid var(--primary);background:var(--accent);padding:20px 24px;margin:32px 0}.summary p{margin:0}.toc{border-block:1px solid var(--border);padding:24px 0;margin:32px 0}.toc p{margin-top:0;font-weight:800}.toc ul{margin-bottom:0}h2{font-size:28px;margin:44px 0 18px;scroll-margin-top:24px}h3{font-size:20px;margin:28px 0 12px}li{margin-bottom:8px}.cta{margin-top:44px;padding:30px 0;border-top:1px solid var(--border)}.cta h2{margin-top:0}.button{display:inline-flex;gap:10px;background:var(--primary);color:var(--on-dark);text-decoration:none;font-weight:800;border-radius:6px;padding:12px 22px}.sources{font-size:14px;color:var(--muted)}footer{background:var(--footer);color:var(--on-dark);padding:30px 24px;text-align:center;font-size:14px}footer a{color:var(--on-dark)}@media(max-width:600px){h1{font-size:30px}h2{font-size:24px}.intro{font-size:18px}.header-inner{align-items:flex-start;flex-direction:column}main{padding-inline:20px}.header-inner nav{gap:16px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}