:root{
  --bg:#fbfaf7; --surface:#ffffff; --ink:#1f2925; --muted:#5d6863;
  --brand:#315b4a; --brand2:#d9e6de; --accent:#b56b3a; --line:#e6e3dc;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.65}
a{color:var(--brand);text-decoration-thickness:1px;text-underline-offset:3px}
header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.nav{max-width:var(--max);margin:auto;display:flex;align-items:center;justify-content:space-between;padding:14px 20px;gap:18px}
.brand{font-weight:800;letter-spacing:.2px;text-decoration:none;color:var(--ink);font-size:1.15rem}
.brand small{display:block;font-weight:500;color:var(--muted);font-size:.72rem;letter-spacing:0}
nav{display:flex;gap:16px;flex-wrap:wrap}
nav a{text-decoration:none;font-weight:650;font-size:.92rem}
.hero{background:linear-gradient(180deg,#eef5f1 0%,var(--bg) 100%);border-bottom:1px solid var(--line)}
.wrap{max-width:var(--max);margin:auto;padding:42px 20px}
.hero .wrap{padding-top:64px;padding-bottom:54px}
.kicker{font-weight:750;color:var(--brand);text-transform:uppercase;letter-spacing:.08em;font-size:.8rem}
h1,h2,h3{line-height:1.18;letter-spacing:-.02em}
h1{font-size:clamp(2.2rem,6vw,4.4rem);max-width:850px;margin:.25em 0}
h2{font-size:clamp(1.55rem,3vw,2.25rem);margin-top:2.2em}
h3{font-size:1.15rem;margin-top:1.6em}
.lede{font-size:1.15rem;max-width:780px;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px}
.card h3{margin-top:0}
.card p{color:var(--muted)}
.btn{display:inline-block;background:var(--brand);color:#fff!important;text-decoration:none;padding:13px 18px;border-radius:10px;font-weight:750;margin:8px 8px 8px 0}
.btn.alt{background:var(--accent)}
.note,.disclosure,.warning{border-radius:12px;padding:16px 18px;margin:20px 0}
.note{background:#eef5f1;border:1px solid #d4e4db}
.disclosure{background:#fff8ee;border:1px solid #f0d7b9}
.warning{background:#fff4f1;border:1px solid #efc9bd}
.breadcrumbs{font-size:.86rem;color:var(--muted);margin-bottom:18px}
.article{max-width:840px}
.article ul,.article ol{padding-left:22px}
.article table{width:100%;border-collapse:collapse;margin:22px 0;background:#fff}
.article th,.article td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}
.article th{background:#f3f5f2}
.toc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:24px 0}
.toc strong{display:block;margin-bottom:8px}
.meta{font-size:.9rem;color:var(--muted)}
.cta{background:#244c3d;color:#fff;border-radius:18px;padding:26px;margin:32px 0}
.cta h2{margin-top:0;color:#fff}
.cta p{color:#edf4f0}
.cta .btn{background:#fff;color:#244c3d!important}
.related{border-top:1px solid var(--line);margin-top:46px;padding-top:28px}
footer{border-top:1px solid var(--line);background:#fff;margin-top:64px}
footer .wrap{padding-top:30px;padding-bottom:30px}
.footer-links{display:flex;gap:14px;flex-wrap:wrap;font-size:.9rem}
.muted{color:var(--muted)}
.badge{display:inline-block;padding:5px 9px;border-radius:999px;background:var(--brand2);font-size:.78rem;font-weight:700;color:var(--brand)}
@media(max-width:800px){
  .grid{grid-template-columns:1fr}
  .nav{align-items:flex-start;flex-direction:column}
  nav{gap:10px}
  header{position:static}
  .hero .wrap{padding-top:38px}
}