:root{--bg:#f7f9fb;--surface:#fff;--text:#202a35;--muted:#5a6775;--blue:#2563a8;--blue-dark:#174a80;--line:#dbe3eb;--notice:#fff8dc;--notice-line:#c58a00;--radius:12px;--shadow:0 8px 28px rgba(31,50,70,.08)}*{box-sizing:border-box}html{font-size:16px;scroll-behavior:auto}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}.site-header{background:var(--surface);border-bottom:1px solid var(--line)}.nav-wrap{max-width:960px;margin:auto;padding:1rem 1.5rem;display:flex;align-items:center;justify-content:space-between;gap:1.5rem}.brand{font-weight:750;color:var(--text);text-decoration:none}.site-header nav{display:flex;gap:.35rem;flex-wrap:wrap}.site-header nav a{color:var(--text);padding:.45rem .65rem;border-radius:6px;text-decoration:none}.site-header nav a:hover{background:#edf3f8;color:var(--blue-dark)}a{color:var(--blue-dark);text-underline-offset:3px}a:hover{text-decoration-thickness:2px}a:focus-visible,button:focus-visible{outline:3px solid #f0a500;outline-offset:3px}main{min-height:60vh}.content{max-width:900px;margin:0 auto;padding:3rem 1.5rem 4rem}.hero{padding:2rem 0 2.5rem}.hero.compact{padding-bottom:1rem}.eyebrow{text-transform:uppercase;letter-spacing:.1em;color:var(--blue);font-weight:700;font-size:.78rem;margin:0 0 .5rem}h1{font-size:clamp(2rem,7vw,3.7rem);line-height:1.08;letter-spacing:-.035em;margin:.1rem 0 1.1rem}h2{font-size:1.45rem;line-height:1.3;margin:2.2rem 0 .65rem}h3{font-size:1.08rem;margin:1.4rem 0 .35rem}.lead{font-size:1.18rem;color:var(--muted);max-width:720px}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow)}.card h2{margin-top:0}.button-row{display:flex;flex-wrap:wrap;gap:.65rem;margin:1.25rem 0}.button{display:inline-block;padding:.68rem .9rem;border-radius:7px;text-decoration:none;font-weight:650;background:var(--blue);color:white}.button:hover{background:var(--blue-dark);text-decoration:none}.button.secondary{background:#e9f1f8;color:var(--blue-dark)}.notice{background:var(--notice);border-left:4px solid var(--notice-line);padding:1rem 1.1rem;margin:0 0 1.5rem;border-radius:4px}.meta{color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:1rem}.toc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.25rem}.toc a{display:inline-block;margin:.2rem .8rem .2rem 0}.steps{counter-reset:steps;list-style:none;padding:0}.steps li{counter-increment:steps;padding:0 0 1.2rem 3rem;position:relative}.steps li:before{content:counter(steps);position:absolute;left:0;top:0;width:2rem;height:2rem;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;font-weight:700}.callout{background:#eef5fb;border:1px solid #c7dcee;border-radius:var(--radius);padding:1rem 1.2rem}footer{background:#18232e;color:#e8edf2;padding:2.5rem 1.5rem}footer .footer-grid{max-width:900px;margin:auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem}footer h2{font-size:1rem;margin:0 0 .5rem;color:white}footer p{margin:.3rem 0}footer a{display:block;color:#d8e8f8;margin:.3rem 0}.footer-grid>div:first-child a{display:inline}@media(max-width:700px){.nav-wrap{align-items:flex-start;flex-direction:column}.site-header nav{width:100%}.cards,.footer-grid{grid-template-columns:1fr!important}.content{padding-top:1.5rem}h1{font-size:2.35rem}.button{width:100%;text-align:center}}@media print{.site-header,footer,.button-row{display:none}.content{max-width:none;padding:0}.card{box-shadow:none}}