:root {
  --bg:#f4f7fb; --surface:#ffffff; --line:#d8e2ee; --text:#183046; --muted:#5f7287;
  --brand:#0a7ea4; --brand-2:#5aa3b1; --accent:#e7f6fa; --max:1180px; --radius:18px;
  --shadow:0 10px 30px rgba(18,56,89,.08);
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font:16px/1.65 Inter,Arial,sans-serif;color:var(--text);background:var(--bg)}
a{color:var(--brand);text-decoration:none} a:hover{text-decoration:underline}
.container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.site-header,.site-footer{background:#fff;border-bottom:1px solid var(--line)}
.site-footer{border-top:1px solid var(--line);border-bottom:none;margin-top:48px}
.header-wrap,.footer-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0}
.brand{font-weight:800;color:var(--text);font-size:1.2rem}.brand span{color:var(--brand)}
.nav{display:flex;gap:14px;flex-wrap:wrap}.nav a{padding:8px 12px;border-radius:999px;background:#f7fbfc;color:var(--text)}
.hero{padding:42px 0 20px}.hero-card,.page-card,.grid-card,.callout{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.hero-card{padding:32px}.eyebrow{display:inline-block;padding:6px 10px;border-radius:999px;background:var(--accent);color:var(--brand);font-size:.82rem;font-weight:700;letter-spacing:.02em}
h1,h2,h3{line-height:1.2;margin:0 0 12px} h1{font-size:clamp(2rem,4vw,3rem)} h2{font-size:1.6rem} h3{font-size:1.15rem}
p{margin:0 0 14px;color:var(--muted)}
.grid{display:grid;gap:18px}.grid.cols-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.grid.cols-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid-card{padding:20px}.kicker{font-size:.78rem;letter-spacing:.05em;text-transform:uppercase;color:var(--brand);font-weight:800}
.meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.pill{background:#f5f8fb;border:1px solid var(--line);padding:6px 10px;border-radius:999px;font-size:.85rem;color:var(--muted)}
.section{padding:18px 0}.page-card{padding:28px}.breadcrumbs{font-size:.92rem;color:var(--muted);margin:18px 0}.breadcrumbs a{color:var(--muted)}
.list-clean{list-style:none;padding:0;margin:0}.list-clean li{padding:10px 0;border-top:1px solid #edf2f7}.list-clean li:first-child{border-top:none}
.code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#f7fafc;border:1px solid var(--line);padding:2px 6px;border-radius:8px;font-size:.92em}
.notice{background:#f8fcff;border-left:4px solid var(--brand);padding:14px 16px;border-radius:12px;margin:14px 0;color:var(--muted)}
.footer-links{display:flex;gap:10px;flex-wrap:wrap}.footer-links a{color:var(--muted)}
@media (max-width:760px){.header-wrap,.footer-wrap{flex-direction:column;align-items:flex-start}}