:root{
  --bg:#f7f8fb;
  --card:#ffffff;
  --text:#15171a;
  --muted:#5f6772;
  --line:#e8ebef;
  --brand:#111827;
  --brand-2:#374151;
  --accent:#e9eef7;
  --max:760px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
}
a{color:inherit}
.wrap{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:20;
  backdrop-filter:blur(10px);
  background:rgba(247,248,251,.86);
  border-bottom:1px solid rgba(232,235,239,.8);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:64px}
.brand{text-decoration:none;font-weight:800;letter-spacing:-.02em}
.brand span{color:#6b7280}
.nav{display:flex;gap:18px;font-size:14px;color:var(--muted)}
.nav a{text-decoration:none}
.hero{padding:72px 0 36px}
.eyebrow{
  display:inline-block;padding:7px 10px;border-radius:999px;background:#eef2f7;
  color:#4b5563;font-size:13px;font-weight:700;margin-bottom:18px
}
h1,h2,h3{line-height:1.15;letter-spacing:-.035em;margin-top:0}
h1{font-size:clamp(38px,7vw,64px);margin-bottom:20px}
h2{font-size:clamp(28px,4.8vw,40px);margin-bottom:16px}
h3{font-size:22px;margin-bottom:10px}
.lede{font-size:clamp(19px,3vw,24px);color:var(--muted);max-width:700px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 18px;border-radius:12px;text-decoration:none;font-weight:800;
  border:1px solid var(--brand);transition:.18s ease
}
.btn-primary{background:var(--brand);color:#fff}
.btn-secondary{background:#fff;color:var(--brand);border-color:var(--line)}
.btn:hover{transform:translateY(-1px)}
.section{padding:34px 0}
.card{
  background:var(--card);border:1px solid var(--line);
  border-radius:20px;padding:24px;box-shadow:0 8px 30px rgba(17,24,39,.04)
}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.mini-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}
.mini-card p{margin-bottom:0;color:var(--muted)}
.article{background:#fff;border:1px solid var(--line);border-radius:24px;padding:clamp(22px,5vw,44px);margin:30px auto 40px}
.article p{font-size:18px;color:#2f343a}
.article ul{font-size:18px;color:#2f343a;padding-left:22px}
.quote{
  margin:26px 0;padding:18px 20px;background:#f5f7fa;border-left:4px solid #111827;border-radius:12px
}
.callout{
  margin:30px 0;padding:22px;background:#f0f4f8;border:1px solid #dbe2ea;border-radius:16px
}
.small{font-size:14px;color:var(--muted)}
.footer{padding:34px 0 50px;border-top:1px solid var(--line);margin-top:36px}
.footer-links{display:flex;gap:14px;flex-wrap:wrap;font-size:14px;color:var(--muted)}
.footer-links a{text-decoration:none}
.kicker{color:var(--muted);font-weight:700;font-size:14px}
hr{border:0;border-top:1px solid var(--line);margin:34px 0}
input,textarea{
  width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:12px;
  font:inherit;background:#fff
}
label{display:block;font-weight:700;margin:14px 0 6px}
.notice{font-size:14px;color:var(--muted)}
@media(max-width:720px){
  .nav{display:none}
  .hero{padding-top:48px}
  .grid{grid-template-columns:1fr}
  .article{border-radius:18px}
}

.article .btn-primary{
  width:100%;
  min-height:54px;
  font-size:17px;
  margin-top:6px;
}
.article .callout h3{margin-bottom:12px}
.article .callout ul{margin-top:8px}
@media(min-width:721px){
  .article .btn-primary{width:auto;min-width:280px}
}