:root{
  --ink:#10243e;--muted:#66758a;--green:#1f7a5a;--green-dark:#155d45;
  --gold:#e7a83e;--bg:#f7fafc;--panel:#fff;--line:#e4ebf1;--soft:#edf8f4;
  --shadow:0 18px 55px rgba(19,41,66,.09);--radius:22px;--max:1160px;
}
*{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;color:var(--ink);background:var(--bg);line-height:1.68}
a{color:var(--green-dark);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:#0e4d38}
img{max-width:100%;display:block}
.container{width:min(calc(100% - 34px),var(--max));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(228,235,241,.9)}
.header-inner{height:74px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none;font-weight:850;letter-spacing:-.02em}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--green),#35a378);display:grid;place-items:center;color:white;font-size:19px;box-shadow:0 7px 16px rgba(31,122,90,.2)}
.nav{display:flex;align-items:center;gap:22px;font-size:14px;font-weight:650}
.nav a{text-decoration:none;color:#33465d}
.nav a:hover{color:var(--green)}
.menu-btn{display:none;border:1px solid var(--line);background:white;padding:9px 12px;border-radius:11px;font-weight:700;color:var(--ink)}
.hero{padding:72px 0 42px}
.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:54px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--soft);border:1px solid #d7ede4;color:var(--green-dark);font-size:13px;font-weight:800;padding:7px 11px;border-radius:999px;text-transform:uppercase;letter-spacing:.06em}
h1,h2,h3{line-height:1.15;letter-spacing:-.035em}
h1{font-size:clamp(42px,6vw,70px);margin:18px 0 20px;max-width:880px}
h2{font-size:clamp(29px,4vw,43px);margin:0 0 18px}
h3{font-size:22px;margin:0 0 10px}
.lead{font-size:20px;color:#52677f;max-width:750px}
.hero-media img{border-radius:28px;box-shadow:var(--shadow);border:1px solid #e5edf3}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 18px;border-radius:13px;text-decoration:none;font-weight:800}
.btn-primary{background:var(--green);color:white;box-shadow:0 8px 20px rgba(31,122,90,.2)}
.btn-primary:hover{color:white;background:var(--green-dark)}
.btn-secondary{background:white;color:var(--ink);border:1px solid var(--line)}
.trust-strip{padding:13px 0 30px;color:#617186;font-size:14px}
.trust-row{display:flex;gap:24px;flex-wrap:wrap}
.trust-item:before{content:"✓";color:var(--green);font-weight:900;margin-right:7px}
.section{padding:70px 0}
.section.alt{background:white;border-top:1px solid #edf1f5;border-bottom:1px solid #edf1f5}
.section-head{max-width:760px;margin-bottom:30px}
.section-head p{color:var(--muted);font-size:18px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:0 6px 20px rgba(19,41,66,.04)}
.card p{color:var(--muted);margin-bottom:0}
.card a.stretch{text-decoration:none;color:inherit}
.card-kicker{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--green);font-weight:850;margin-bottom:8px}
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:46px;align-items:start}
.article{background:white;border:1px solid var(--line);border-radius:26px;padding:clamp(24px,4vw,48px);box-shadow:0 8px 30px rgba(19,41,66,.04)}
.article h2{font-size:34px;margin-top:44px}
.article h3{margin-top:30px}
.article p,.article li{color:#364b63}
.article ul,.article ol{padding-left:23px}
.article li+li{margin-top:8px}
.article img{border-radius:20px;margin:6px 0 28px;border:1px solid var(--line)}
.sidebar{position:sticky;top:100px}
.toc,.callout{background:white;border:1px solid var(--line);border-radius:18px;padding:20px}
.toc h3{font-size:17px}
.toc a{display:block;text-decoration:none;padding:6px 0;color:#52677f;font-size:14px}
.toc a:hover{color:var(--green)}
.callout{margin-top:18px;background:var(--soft);border-color:#d9eee6}
.callout strong{display:block;margin-bottom:6px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px;margin:22px 0}
table{width:100%;border-collapse:collapse;min-width:650px;background:white}
th,td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#f5f8fb;font-size:14px}
tr:last-child td{border-bottom:0}
.checklist{display:grid;gap:11px;margin:20px 0;padding:0;list-style:none!important}
.checklist li{background:#f8fbfa;border:1px solid #dfeee8;border-radius:12px;padding:12px 14px}
.checklist li:before{content:"✓";font-weight:900;color:var(--green);margin-right:9px}
.faq details{border-top:1px solid var(--line);padding:18px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:800}
.faq p{margin-bottom:0}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related a{display:block;background:white;border:1px solid var(--line);border-radius:16px;padding:18px;text-decoration:none;color:var(--ink);font-weight:800}
.related small{display:block;color:var(--muted);font-weight:500;margin-top:5px}
.breadcrumbs{font-size:13px;color:#76869a;margin:28px 0 0}
.breadcrumbs a{color:#65778d;text-decoration:none}
.note{padding:16px 18px;border-left:4px solid var(--gold);background:#fff9ed;border-radius:10px;margin:20px 0}
.site-footer{background:#0e2035;color:#cdd8e4;padding:54px 0 28px;margin-top:70px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px}
.site-footer h3{color:white;font-size:18px}
.site-footer a{color:#dfe8f1;text-decoration:none}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li+li{margin-top:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:35px;padding-top:22px;font-size:13px;color:#9eb0c2}
.pill{display:inline-block;padding:6px 10px;border-radius:99px;background:#f2f6f9;color:#55687d;font-size:13px;font-weight:700;margin:3px}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
.stat{background:white;border:1px solid var(--line);border-radius:16px;padding:18px}
.stat strong{display:block;font-size:25px}
.stat span{font-size:13px;color:var(--muted)}
@media(max-width:900px){
 .hero-grid,.article-wrap{grid-template-columns:1fr}
 .hero{padding-top:45px}.hero-media{order:-1}
 .sidebar{position:static}.cards,.related,.footer-grid{grid-template-columns:1fr 1fr}
 .nav{display:none;position:absolute;left:17px;right:17px;top:68px;background:white;border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}
 .nav.open{display:flex}.menu-btn{display:block}
}
@media(max-width:620px){
 .cards,.related,.footer-grid,.stat-grid{grid-template-columns:1fr}
 h1{font-size:42px}.lead{font-size:18px}.section{padding:54px 0}
 .article{border-radius:18px}.header-inner{height:66px}
}