:root{
  --bg:#eef1f5; --card:#fff; --ink:#1a1d23; --muted:#5b6470;
  --brand:#0e7c5a; --brand-dark:#0a5e44; --accent:#f3b23c;
  --line:#e6e9ee; --soft:#f6f8fa; --warn:#c0392b;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6}
a{color:var(--brand-dark)}
.wrap{max-width:920px;margin:0 auto;padding:0 16px}
.narrow{max-width:760px}

/* header */
header.site{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
header.site .bar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;max-width:920px;margin:0 auto}
.logo{font-weight:800;font-size:18px;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:8px}
.logo .spark{color:var(--accent)}
nav.main a{margin-left:18px;text-decoration:none;color:#39414d;font-weight:600;font-size:14.5px}
nav.main a:hover{color:var(--brand)}
@media(max-width:620px){nav.main a{margin-left:12px;font-size:13px}.logo{font-size:16px}}

/* hero / sections */
.hero{padding:48px 0 8px;text-align:center}
.hero h1{font-size:34px;margin:0 0 10px;line-height:1.2}
.hero p{font-size:18px;color:var(--muted);max-width:640px;margin:0 auto}
.badge{display:inline-block;background:#fff4e0;color:#9a6700;border:1px solid #f0d8a8;
  font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:999px;margin-bottom:16px}
section{padding:28px 0}
h2.section{font-size:22px;margin:0 0 16px}

/* cards grid */
.cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:620px){.cards{grid-template-columns:1fr}}
.tool-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;text-decoration:none;color:inherit;
  display:block;transition:transform .08s,box-shadow .08s}
.tool-card:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(0,0,0,.07)}
.tool-card .ico{font-size:26px}
.tool-card h3{margin:10px 0 6px;font-size:18px;color:var(--ink)}
.tool-card p{margin:0;color:var(--muted);font-size:14.5px}
.tool-card .go{margin-top:12px;color:var(--brand);font-weight:700;font-size:14px}

/* article */
article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;margin:24px 0}
article h1{font-size:30px;margin:0 0 8px;line-height:1.2}
article h2{font-size:22px;margin:30px 0 10px}
article h3{font-size:17px;margin:22px 0 6px}
article p,article li{font-size:16.5px}
.lead{font-size:18px;color:#2a2f37;background:var(--soft);border-left:4px solid var(--brand);
  padding:16px 18px;border-radius:0 10px 10px 0;margin:0 0 20px}
.updated{color:var(--muted);font-size:13px;margin-bottom:18px}
table{width:100%;border-collapse:collapse;margin:18px 0;font-size:15px}
th,td{border:1px solid var(--line);padding:9px 11px;text-align:left}
th{background:var(--soft)}
.faq h3{font-size:16px;margin-bottom:2px}
.callout{background:#f1fbf7;border:1px solid #bfe3d4;border-radius:12px;padding:16px 18px;margin:18px 0;font-size:15.5px}
.cta-inline{display:inline-block;background:var(--accent);color:#3a2a00;font-weight:700;text-decoration:none;
  padding:12px 18px;border-radius:10px;margin:8px 0}

/* footer */
footer.site{background:#11151a;color:#c7ced8;margin-top:40px;padding:30px 0;font-size:14px}
footer.site .cols{display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between}
footer.site a{color:#c7ced8;text-decoration:none;display:block;margin:5px 0}
footer.site a:hover{color:#fff}
footer.site h4{color:#fff;font-size:14px;margin:0 0 8px}
footer.site .fine{color:#7c8794;font-size:12px;margin-top:20px;border-top:1px solid #232a32;padding-top:14px}

.breadcrumb{font-size:13px;color:var(--muted);margin:18px 0 0}
.breadcrumb a{color:var(--muted)}