:root{--background: #fcfaf8;--foreground: #363648;--card: #ffffff;--primary: #91aee5;--primary-foreground: #16161d;--secondary: #f3efea;--muted: #f5f3ef;--muted-foreground: #6b6b7b;--accent: #fbffc7;--border: #e5e0d4;--sidebar: #16161d;--radius: 10px;--font-sans: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "DM Mono", ui-monospace, monospace;--maxw: 1080px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--background);color:var(--foreground);font-family:var(--font-sans);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit}img{max-width:100%;display:block}.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}.site-header{border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--background) 88%,transparent);backdrop-filter:saturate(1.1) blur(6px);position:sticky;top:0;z-index:10}.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{font-weight:700;font-size:18px;letter-spacing:-.01em;text-decoration:none}.nav{display:flex;align-items:center;gap:22px}.nav a{text-decoration:none;font-size:14px;color:var(--muted-foreground)}.nav a:hover{color:var(--foreground)}.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:var(--radius);font-weight:600;font-size:14px;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:filter .15s}.btn-primary{background:var(--primary);color:var(--primary-foreground)}.btn-primary:hover{filter:brightness(.96)}.btn-ghost{background:transparent;border-color:var(--border);color:var(--foreground)}.btn-ghost:hover{background:var(--muted)}section{padding:64px 0}h1,h2,h3{line-height:1.2;letter-spacing:-.02em}.hero h1{font-size:clamp(32px,5vw,52px);margin:0 0 18px}.lead{font-size:18px;color:var(--muted-foreground);max-width:620px}.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.grid{display:grid;gap:20px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}@media(max-width:820px){.grid-3,.grid-2{grid-template-columns:1fr}}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px}.card h3{margin:0 0 8px;font-size:18px}.card p{margin:0;color:var(--muted-foreground);font-size:14px}.muted-band{background:var(--muted)}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:12px;color:var(--muted-foreground);font-weight:600}.site-footer{border-top:1px solid var(--border);padding:32px 0;color:var(--muted-foreground);font-size:13px}.kb-hero{padding:56px 0 24px}.kb-cats{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 8px}.kb-cat{padding:7px 14px;border:1px solid var(--border);border-radius:999px;font-size:13px;text-decoration:none;color:var(--foreground);background:var(--card)}.kb-cat[aria-current=true]{background:var(--foreground);color:var(--background);border-color:var(--foreground)}.article-card{display:flex;flex-direction:column;gap:8px;height:100%;text-decoration:none}.article-card .cat{font-size:12px;color:var(--muted-foreground)}.article-card h3{margin:0;font-size:18px}.article-card p{margin:0;color:var(--muted-foreground);font-size:14px}.article{max-width:740px;margin:0 auto;padding:48px 24px 80px}.article h1{font-size:clamp(28px,4vw,40px);margin:0 0 12px}.article .meta{color:var(--muted-foreground);font-size:14px;margin-bottom:24px}.tldr{background:var(--accent);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;margin:0 0 28px}.tldr strong{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px}.takeaways{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px 16px 38px;margin:0 0 28px}.prose{font-size:17px}.prose h2{font-size:26px;margin:36px 0 12px}.prose h3{font-size:20px;margin:28px 0 10px}.prose p{margin:0 0 16px}.faq{margin-top:40px}.faq h2{font-size:24px}.faq details{border-bottom:1px solid var(--border);padding:14px 0}.faq summary{cursor:pointer;font-weight:600}.faq details p{margin:10px 0 0;color:var(--muted-foreground)}.author-box{display:flex;gap:14px;align-items:flex-start;margin-top:48px;padding:20px;background:var(--muted);border-radius:var(--radius)}.author-box img{width:56px;height:56px;border-radius:50%}.author-box .name{font-weight:700}.author-box .cred{color:var(--muted-foreground);font-size:13px}