:root{
  --ink:#17201c; --muted:#5c6a63; --paper:#fbfcf8; --card:#ffffff;
  --forest:#173f32; --forest2:#235746; --sage:#dfeadf; --gold:#d9b768;
  --line:#dbe3dc; --warn:#fff6df; --max:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:16px/1.68 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--paper)}
a{color:#15583f;text-decoration-thickness:.08em;text-underline-offset:.14em}
img{max-width:100%}
.wrap{width:min(var(--max),calc(100% - 36px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,252,248,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;text-decoration:none;color:var(--forest);font-size:1.08rem}
.mark{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--forest);color:white;font-weight:900}
nav ul{display:flex;gap:20px;list-style:none;margin:0;padding:0;align-items:center}
nav a{text-decoration:none;color:var(--ink);font-weight:650;font-size:.94rem}
.menu-btn{display:none;border:1px solid var(--line);background:white;border-radius:10px;padding:8px 11px}
.hero{padding:76px 0 46px;background:radial-gradient(circle at 80% 10%,#e7f0e7 0,transparent 38%),linear-gradient(180deg,#fbfcf8,#f4f8f3)}
.hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:48px;align-items:center}
.eyebrow{font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;font-weight:800;color:var(--forest2)}
h1{font-size:clamp(2.3rem,5vw,4.6rem);line-height:1.03;letter-spacing:-.045em;margin:.25em 0 .3em}
h2{font-size:clamp(1.6rem,3vw,2.5rem);line-height:1.14;letter-spacing:-.025em;margin:1.5em 0 .55em}
h3{font-size:1.25rem;line-height:1.3;margin:1.45em 0 .45em}
.lede{font-size:1.15rem;color:var(--muted);max-width:760px}
.hero-card,.card,.notice,.cta,.factbox{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 8px 26px rgba(23,63,50,.05)}
.hero-card{border-top:5px solid var(--forest)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid.two{grid-template-columns:repeat(2,1fr)}
.card h3{margin-top:0}
.badge{display:inline-block;padding:5px 9px;border-radius:999px;background:var(--sage);font-size:.76rem;font-weight:800;color:var(--forest)}
.btn{display:inline-block;background:var(--forest);color:#fff!important;text-decoration:none;padding:13px 18px;border-radius:11px;font-weight:800}
.btn.alt{background:#fff;color:var(--forest)!important;border:1px solid var(--forest)}
.btn + .btn{margin-left:8px}
.section{padding:55px 0}
.article-wrap{width:min(790px,calc(100% - 36px));margin:auto;padding:48px 0 70px}
.article-head{padding:46px 0 28px;background:#f3f7f2;border-bottom:1px solid var(--line)}
.article-head .wrap{width:min(880px,calc(100% - 36px))}
.meta{color:var(--muted);font-size:.9rem}
.notice{background:var(--warn);box-shadow:none;margin:20px 0}
.disclosure{font-size:.9rem}
.cta{background:var(--forest);color:white;margin:28px 0}
.cta h3{margin-top:0;color:white}
.cta p{color:#edf4ef}
.cta .btn{background:white;color:var(--forest)!important}
.toc{background:#f7faf6;border-left:4px solid var(--forest);padding:18px 22px;border-radius:10px;margin:26px 0}
.toc ul{margin-bottom:0}
blockquote{border-left:4px solid var(--gold);padding:4px 0 4px 20px;margin:24px 0;color:#34413b}
table{width:100%;border-collapse:collapse;margin:22px 0;background:#fff}
th,td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}
th{background:#f0f5ef}
.checks{list-style:none;padding:0}.checks li{margin:.5em 0}.checks li:before{content:"✓";font-weight:900;color:var(--forest);margin-right:9px}
.related{margin-top:50px;padding-top:24px;border-top:1px solid var(--line)}
footer{background:#10271f;color:#dce8e1;padding:44px 0 28px}
footer a{color:white}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
.small{font-size:.85rem;color:#68766f}
footer .small{color:#b6c5be}
.source-list{font-size:.92rem}
.price-note{font-size:.84rem;color:var(--muted)}
.kicker{font-size:1.02rem;font-weight:800;color:var(--forest)}
@media(max-width:800px){
 .hero-grid,.grid,.grid.two,.footer-grid{grid-template-columns:1fr}
 nav ul{display:none;position:absolute;left:18px;right:18px;top:66px;background:white;border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:0 12px 28px rgba(0,0,0,.08)}
 nav ul.open{display:grid}
 .menu-btn{display:block}
 .hero{padding-top:48px}
 .btn + .btn{margin-left:0;margin-top:10px}
}