:root{
  --ink:#111714;--muted:#5f6b64;--green:#087b38;--deep:#073d25;
  --pale:#effcf4;--line:#dbe7df;--cream:#fafcfb;--white:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--cream);line-height:1.7}
a{color:#087b38}
img{max-width:100%}
.wrap{width:min(1120px,calc(100% - 40px));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 var(--line)}
.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{color:var(--ink);font-size:21px;font-weight:900;text-decoration:none;letter-spacing:-.6px}
.brand span{color:var(--green)}
.navlinks{display:flex;align-items:center;gap:22px;font-size:14px;font-weight:750}
.navlinks a{text-decoration:none;color:var(--muted)}
.navlinks .button{padding:10px 16px;background:var(--green);color:white;border-radius:999px}
.hero{padding:78px 0 56px;background:radial-gradient(circle at 80% 20%,#dff9e8 0,transparent 34%),linear-gradient(180deg,#f5fff8 0,var(--cream) 100%)}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:24px}
.breadcrumb a{text-decoration:none}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#0b7136;background:#e5f9ec;border:1px solid #bce9cb;padding:7px 13px;border-radius:999px;font-size:12px;font-weight:850;letter-spacing:.08em;text-transform:uppercase}
h1{max-width:850px;font-size:clamp(38px,6vw,68px);line-height:1.04;letter-spacing:-.055em;margin:22px 0 22px}
.intro{max-width:760px;color:var(--muted);font-size:clamp(18px,2.3vw,22px);line-height:1.55}
.meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:25px;font-size:13px;color:var(--muted)}
.layout{display:grid;grid-template-columns:minmax(0,730px) 300px;gap:60px;padding:58px 0 80px;align-items:start}
.article{min-width:0;max-width:100%;overflow:hidden}
.article h2{font-size:clamp(28px,4vw,40px);line-height:1.15;letter-spacing:-.035em;margin:55px 0 16px}
.article h2:first-child{margin-top:0}
.article h3{font-size:22px;line-height:1.3;margin:34px 0 9px}
.article p,.article li{color:#36423b;font-size:17px}
.article a{font-weight:700}
.article ul,.article ol{padding-left:23px}
.article li{padding:4px 0}
.article-hero h1{max-width:980px}
.answer-box{margin:0 0 32px;padding:23px 25px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 34px rgba(8,44,25,.06)}
.answer-box strong{display:block;color:var(--green);font-size:12px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px}
.answer-box p{font-size:18px;margin:0;color:#24352b}
.callout{margin:30px 0;padding:24px 26px;border-radius:18px;background:var(--pale);border:1px solid #bde9cc}
.callout strong{display:block;color:var(--deep);font-size:18px;margin-bottom:4px}
.callout p{margin:0}
.table-wrap{display:block;width:100%;max-width:100%;overflow-x:auto;margin:26px 0;border:1px solid var(--line);border-radius:16px;background:#fff;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:620px}
th,td{text-align:left;padding:15px 17px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#eef8f1;color:var(--deep);font-size:13px;text-transform:uppercase;letter-spacing:.04em}
td{color:#36423b;font-size:15px}
tr:last-child td{border-bottom:0}
.table-detail{display:block;min-width:220px;color:var(--muted);font-size:12.5px;line-height:1.45;margin-top:5px}
.idea-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;margin:26px 0}
.idea{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}
.idea b{display:block;font-size:17px;margin-bottom:5px}
.idea p{font-size:14px;margin:0;color:var(--muted)}
.steps{counter-reset:step;list-style:none!important;padding:0!important}
.steps li{position:relative;padding:5px 0 20px 48px}
.steps li:before{counter-increment:step;content:counter(step);position:absolute;left:0;top:3px;width:32px;height:32px;display:grid;place-items:center;border-radius:50%;background:var(--deep);color:#fff;font-weight:850;font-size:14px}
.sidebar{position:sticky;top:98px}
.sidecard{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 12px 40px rgba(8,44,25,.06)}
.sidecard h2{font-size:21px;line-height:1.25;margin:0 0 10px}
.sidecard p{font-size:14px;color:var(--muted);line-height:1.6}
.sidecard a.primary{display:block;text-align:center;text-decoration:none;padding:13px 16px;border-radius:12px;background:var(--green);color:#fff;font-weight:850;margin-top:15px}
.sidecard a.secondary{display:block;text-align:center;text-decoration:none;padding:11px 12px;color:#087b38;font-weight:750;font-size:14px}
.inline-cta{display:flex;flex-direction:column;gap:3px;margin:34px 0;padding:22px 24px;border-radius:18px;background:var(--deep);color:#fff!important;text-decoration:none}
.inline-cta strong{font-size:19px}
.inline-cta span{color:#bfe8ce;font-size:14px}
.sources{margin-top:50px;padding:24px 26px;background:#fff;border:1px solid var(--line);border-radius:18px}
.sources h2{font-size:24px;margin:0 0 10px}
.sources li{font-size:14px}
.faq-block{margin-top:54px}
.faq-block details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 18px;margin:10px 0}
.faq-block summary{cursor:pointer;list-style:none;font-weight:800;padding:16px 28px 16px 0;position:relative}
.faq-block summary::-webkit-details-marker{display:none}
.faq-block summary:after{content:"+";position:absolute;right:0;color:var(--green);font-size:20px;top:11px}
.faq-block details[open] summary:after{content:"−"}
.faq-block details p{font-size:15px;padding:0 0 17px;margin:0}
.end-cta{margin-top:55px;padding:34px;border-radius:22px;background:linear-gradient(145deg,#0d3a24,#082a1a);color:#fff}
.end-cta>span{font-size:11px;color:#86efac;font-weight:900;letter-spacing:.1em}
.end-cta h2{font-size:30px;margin:10px 0}
.end-cta p{color:#c9e7d4;margin-bottom:20px}
.end-cta a{display:inline-flex;padding:13px 20px;background:var(--green);color:#fff;text-decoration:none;border-radius:12px}
.tool-shell{padding:55px 0 85px}
.tool-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px;box-shadow:0 14px 44px rgba(8,44,25,.07)}
.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:grid;gap:6px}
.field label{font-size:13px;font-weight:800;color:#2b3c32}
.field input,.field select{width:100%;border:1px solid var(--line);border-radius:12px;background:#f8fbf9;padding:13px 14px;font:inherit;color:var(--ink)}
.field input:focus,.field select:focus{outline:2px solid #86efac;border-color:var(--green)}
.tool-button{display:inline-flex;justify-content:center;border:0;border-radius:13px;background:var(--green);color:#fff;padding:14px 20px;font:inherit;font-weight:850;cursor:pointer;margin-top:20px}
.tool-result{margin-top:25px;padding:23px;border-radius:18px;background:var(--pale);border:1px solid #bde9cc}
.tool-result[hidden]{display:none}
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.metric{padding:16px;border-radius:14px;background:#fff;border:1px solid var(--line)}
.metric small{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;font-weight:800}
.metric b{display:block;color:var(--deep);font-size:23px;margin-top:3px}
.recommendations{display:grid;gap:12px;margin-top:16px}
.recommendation{padding:18px;background:#fff;border:1px solid var(--line);border-radius:15px}
.recommendation strong{display:block;font-size:17px}
.recommendation span{display:block;color:var(--muted);font-size:13px;margin-top:4px}
.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:30px 0}
.method-card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:18px}
.method-card b{display:block;font-size:17px;margin-bottom:5px}
.method-card p{margin:0;color:var(--muted);font-size:14px}
.related{padding:65px 0;background:var(--deep);color:#fff}
.related h2{font-size:clamp(30px,4vw,44px);letter-spacing:-.035em;margin:0 0 25px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{display:block;background:#fff;color:var(--ink);text-decoration:none;border-radius:18px;padding:23px}
.card small{color:var(--green);font-weight:850}
.card b{display:block;font-size:19px;line-height:1.25;margin:7px 0}
.card span{color:var(--muted);font-size:14px}
.hub-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;padding:55px 0 85px}
.hub-section{padding:50px 0 8px}
.hub-section+.hub-section{padding-top:28px}
.hub-section-head{margin-bottom:20px}
.hub-section-head small{color:var(--green);font-weight:900;letter-spacing:.09em}
.hub-section-head h2{font-size:clamp(28px,4vw,40px);letter-spacing:-.035em;margin:5px 0}
.hub-section-head p{color:var(--muted);margin:0;max-width:720px}
.hub-section .hub-grid{padding:0}
.hub-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:22px;padding:29px;text-decoration:none;color:var(--ink);box-shadow:0 10px 35px rgba(8,44,25,.05)}
.hub-card .icon{font-size:28px}
.hub-card h2{font-size:26px;line-height:1.2;letter-spacing:-.025em;margin:16px 0 8px}
.hub-card p{color:var(--muted);margin:0 0 20px}
.hub-card strong{margin-top:auto;color:var(--green)}
footer{background:#071b12;color:#b8c8be;padding:35px 0;font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
footer a{color:#d7f8e2}
@media(max-width:850px){
  .layout{grid-template-columns:minmax(0,1fr);gap:35px}.sidebar{position:static}.cards{grid-template-columns:1fr}
  .method-grid{grid-template-columns:1fr}
}
@media(max-width:620px){
  .wrap{width:min(calc(100% - 28px),1120px)}.hero{padding:48px 0 38px}
  .nav{min-height:62px}.navlinks a:not(.button){display:none}.navlinks{gap:8px}
  h1{font-size:40px}.layout{padding-top:40px}.article p,.article li{font-size:16px}
  .idea-grid,.hub-grid{grid-template-columns:1fr}.hub-grid{padding-top:35px}
  .tool-card{padding:22px}.tool-grid,.metric-grid{grid-template-columns:1fr}.end-cta{padding:25px}
}