:root{--bg:#f7f8fb;--surface:#fff;--surface-strong:#eef2ff;--text:#172033;--muted:#5c667a;--line:#dfe4ee;--brand:#3157d5;--brand-dark:#1c3795;--accent:#0c8f78;--shadow:0 18px 50px rgba(23,32,51,.08);--radius:22px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);line-height:1.7}a{color:inherit}main{min-height:72vh}.container{width:min(1120px,calc(100% - 40px));margin:0 auto}.site-header{position:sticky;top:0;z-index:20;backdrop-filter:blur(14px);background:rgba(247,248,251,.86);border-bottom:1px solid rgba(223,228,238,.8)}.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:800}.brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff}.nav-links{display:flex;gap:22px;align-items:center}.nav-links a{text-decoration:none;color:var(--muted);font-weight:650}.nav-links a:hover{color:var(--brand)}.hero{padding:92px 0 70px;background:radial-gradient(circle at 84% 8%,rgba(49,87,213,.18),transparent 35%),radial-gradient(circle at 15% 20%,rgba(12,143,120,.14),transparent 34%)}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:center}.kicker,.eyebrow,.category{color:var(--brand);font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:.78rem}h1,h2,h3{line-height:1.18;letter-spacing:-.025em}h1{font-size:clamp(2.6rem,6vw,5.3rem);margin:14px 0 22px}h2{font-size:clamp(2rem,4vw,3.1rem);margin:0 0 16px}h3{font-size:1.35rem}.hero p,.lead{color:var(--muted);font-size:1.15rem}.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:999px;text-decoration:none;font-weight:800;background:var(--brand);color:#fff}.button.secondary{background:#fff;color:var(--brand-dark);border:1px solid var(--line)}.hero-panel{background:rgba(255,255,255,.84);border:1px solid rgba(255,255,255,.9);box-shadow:var(--shadow);border-radius:30px;padding:28px}.hero-panel ol{margin:0;padding-left:22px}.hero-panel li{margin:12px 0}.section{padding:78px 0}.section.alt{background:var(--surface);border-block:1px solid var(--line)}.section-head{max-width:760px;margin-bottom:32px}.section-head p{color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 10px 30px rgba(23,32,51,.04)}.card p{color:var(--muted)}.card h3 a{text-decoration:none}.card h3 a:hover{color:var(--brand)}.card-meta{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:.85rem}.text-link{color:var(--brand);font-weight:800;text-decoration:none}.pill-list{display:flex;flex-wrap:wrap;gap:10px}.pill{padding:8px 13px;background:var(--surface-strong);border-radius:999px;color:var(--brand-dark);font-weight:700}.callout{background:linear-gradient(135deg,var(--brand-dark),var(--brand));color:#fff;border-radius:28px;padding:36px}.eyebrow.light{color:#fff}.callout p{color:rgba(255,255,255,.83)}.articles-page,.article-shell,.simple-page{width:min(900px,calc(100% - 40px));margin:0 auto;padding:72px 0}.article-list{display:grid;gap:18px;margin-top:34px}.article-header{border-bottom:1px solid var(--line);padding-bottom:30px;margin-bottom:38px}.article-header h1{font-size:clamp(2.4rem,5vw,4.4rem)}.article-meta{display:flex;gap:18px;color:var(--muted);font-size:.9rem}.prose{font-size:1.07rem}.prose h2{margin-top:2.3em;font-size:1.85rem}.prose h3{margin-top:1.8em}.prose p,.prose li{color:#30394b}.prose blockquote{margin:28px 0;padding:18px 24px;border-left:4px solid var(--brand);background:var(--surface-strong);border-radius:0 16px 16px 0}.site-footer{padding:42px 0;border-top:1px solid var(--line);color:var(--muted)}.footer-grid{display:flex;justify-content:space-between;gap:24px}.footer-grid a{color:var(--brand)}@media(max-width:820px){.hero-grid,.grid{grid-template-columns:1fr}.nav-links{display:none}.hero{padding-top:60px}.footer-grid{flex-direction:column}}
.tools-page{width:min(1000px,calc(100% - 40px));margin:0 auto;padding:72px 0}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px}.tool-shell{width:min(900px,calc(100% - 40px));margin:0 auto;padding:72px 0}.tool-actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0}.tool-section{margin:34px 0;padding:26px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.tool-section h2{font-size:1.55rem}.checklist{list-style:none;padding:0;margin:18px 0 0}.check-item{padding:11px 0;border-bottom:1px solid var(--line)}.check-item:last-child{border-bottom:0}.check-item label{display:flex;gap:12px;align-items:flex-start;cursor:pointer}.check-item input{width:20px;height:20px;margin-top:3px;accent-color:var(--brand);flex:0 0 auto}.tool-notes{width:100%;min-height:180px;padding:16px;border:1px solid var(--line);border-radius:14px;font:inherit;background:#fff}.boundary-note{margin:30px 0;padding:18px 22px;border-left:4px solid var(--accent);background:var(--surface-strong);border-radius:0 14px 14px 0}@media(max-width:820px){.tool-grid{grid-template-columns:1fr}}@media print{.site-header,.site-footer,.tool-actions{display:none!important}.tool-shell{width:100%;padding:0}.tool-section{break-inside:avoid;box-shadow:none}.tool-notes{min-height:120px}body{background:#fff}}