:root{--g:#14532d;--g2:#166534;--gl:#dcfce7;--ink:#1c2a22;--mut:#55635a;--bg:#f6f8f6;--line:#dde5df;--acc:#f59e0b}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
img,svg,video{max-width:100%;height:auto}picture{display:block;max-width:100%}
.grid>*,.areas>*,.fgrid>*{min-width:0}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:#fff}
a{color:var(--g2)}
.wrap{max-width:1120px;margin:0 auto;padding:0 18px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:9}
.top{position:sticky;top:0;z-index:5;background:#fff;border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;justify-content:space-between;min-height:60px;gap:12px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--g);text-decoration:none;font-size:18px}
.menu{display:inline-block;background:none;border:1px solid var(--line);border-radius:8px;padding:6px 12px;font:inherit}
.nav{display:none;width:100%;flex-direction:column;padding-bottom:10px}
.nav.open{display:flex}
.nav a{padding:8px 4px;text-decoration:none;color:var(--ink)}
.nav a.cta{background:var(--g);color:#fff;border-radius:8px;padding:8px 14px;text-align:center;margin-top:6px}
@media(min-width:900px){.menu{display:none}.nav{display:flex;flex-direction:row;width:auto;padding:0;align-items:center;gap:4px}.nav a{padding:6px 9px;font-size:15px}.nav a.cta{margin:0 0 0 6px}}
.hero{background:linear-gradient(180deg,#f0f7f1,#fff);padding:18px 0 28px;border-bottom:1px solid var(--line)}
.grid{display:grid;gap:22px}
@media(min-width:900px){.grid{grid-template-columns:1.15fr 1fr;align-items:start}.formcol{position:sticky;top:76px}}
h1{font-size:clamp(28px,4.4vw,42px);line-height:1.15;margin:.3em 0 .4em;color:#0f3d22;letter-spacing:-.01em}
h2{font-size:24px;line-height:1.25;margin:1.6em 0 .5em;color:#0f3d22}
h3{font-size:19px;margin:1.2em 0 .4em}
.lead{font-size:18px;color:#33433a}
.ticks{list-style:none;padding:0;margin:14px 0 0}
.ticks li{padding-left:28px;position:relative;margin:6px 0}
.ticks li:before{content:"";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%;background:var(--gl) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10l3 3 7-7' stroke='%23166534' stroke-width='2.4' fill='none'/%3E%3C/svg%3E") center/14px no-repeat}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:4px 0;font-size:14px;color:var(--mut)}
.crumbs li+li:before{content:"›";margin-right:6px}
.quote{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:0 6px 24px rgba(20,83,45,.08)}
.qh{margin:0;font-size:21px}.qsub{margin:2px 0 10px;color:var(--mut);font-size:14px}
.quote label{display:block;font-weight:600;font-size:14px;margin:10px 0 0}
.quote input:not([type=checkbox]),.quote select,.quote textarea{display:block;width:100%;margin-top:4px;padding:11px 12px;border:1px solid #b9c7bd;border-radius:9px;font:inherit;font-weight:400;background:#fff}
.quote input:focus,.quote select:focus,.quote textarea:focus{outline:3px solid #bbf7d0;border-color:var(--g2)}
.row2{display:grid;gap:0 12px}@media(min-width:480px){.row2{grid-template-columns:1fr 1fr}}
.opt{font-weight:400;color:var(--mut)}
.consent{display:flex!important;gap:10px;font-weight:400!important;font-size:13.5px!important;line-height:1.45;margin-top:14px!important}
.consent input{margin-top:3px;width:18px;height:18px;flex:none}
.hp{position:absolute;left:-5000px;height:1px;overflow:hidden}
.ts{margin-top:12px;min-height:0}
.quote button{width:100%;margin-top:14px;background:var(--g);color:#fff;border:0;border-radius:10px;padding:14px;font:700 17px/1 inherit;cursor:pointer}
.quote button:hover{background:var(--g2)}.quote button[disabled]{opacity:.6;cursor:wait}
.fmsg{margin:8px 0 0;font-size:14px}.fmsg.err{color:#b91c1c}
.small{font-size:13px;color:var(--mut)}
.content{padding:8px 18px 40px}
.prose{max-width:760px}
.prose li{margin:4px 0}
.cards{display:grid;gap:14px;margin:12px 0}@media(min-width:700px){.cards{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}}
.card{display:block;border:1px solid var(--line);border-radius:12px;padding:14px 16px;text-decoration:none;color:var(--ink);background:#fff}
.card:hover{border-color:var(--g2);box-shadow:0 4px 14px rgba(0,0,0,.06)}
.card h2,.card h3{margin:.2em 0;font-size:18px;color:var(--g)}.card p{margin:.3em 0;color:#3e4c44;font-size:15px}
.table-wrap{overflow-x:auto;margin:14px 0}
table{border-collapse:collapse;width:100%;font-size:15px;min-width:520px}
caption{text-align:left;font-weight:700;padding:6px 0}
th,td{border-bottom:1px solid var(--line);padding:9px 8px;text-align:left;vertical-align:top}
th{background:var(--bg)}
.sources{margin-top:28px;padding:12px 16px;background:var(--bg);border-radius:10px;font-size:14px}
.sources h2{font-size:16px;margin:.3em 0}
.faqs details{border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:8px 0;background:#fff}
.faqs summary{font-weight:700;cursor:pointer}
.cols{columns:2;padding-left:18px}@media(min-width:700px){.cols{columns:3}}
.areas{display:grid;gap:4px 20px}@media(min-width:700px){.areas{grid-template-columns:1fr 1fr}}
.steps li{margin:8px 0}
.band{background:var(--g);color:#fff;text-align:center;padding:32px 0}
.band h2{color:#fff;margin:0 0 .3em}.btn{display:inline-block;background:#fff;color:var(--g);font-weight:700;padding:12px 22px;border-radius:10px;text-decoration:none;margin-top:8px}
.foot{background:#0f2a1a;color:#d6e4da;padding:30px 0 18px;font-size:14px}
.foot a{color:#d6e4da;display:block;margin:4px 0;text-decoration:none}.foot a:hover{text-decoration:underline}
.foot .small{color:#a9bdb0}
.fgrid{display:grid;gap:18px}@media(min-width:800px){.fgrid{grid-template-columns:2fr 1fr 1fr 1fr}}
.copy{margin-top:18px;border-top:1px solid #23402e;padding-top:12px}
mark{background:#fef3c7;padding:0 3px}
.fig{margin:18px 0 22px}.fig img{display:block;width:100%;height:auto;border-radius:12px;background:#eef2ee}
.fig figcaption{font-size:13px;color:var(--mut);margin-top:6px;line-height:1.45}.fig .credit{font-size:12px;opacity:.9}.fig .credit a{color:inherit}
.hero-img{margin:14px 0 6px}.hero-img img{aspect-ratio:16/9;object-fit:cover}
@media(max-width:899px){.hero-img img{aspect-ratio:21/9}}
.diagram img{border:1px solid var(--line);background:#fff}.diagram figcaption{font-size:14px;color:var(--ink)}.diagram figcaption ol{margin:6px 0 0;padding-left:20px}.diagram figcaption li{margin:2px 0}
.steps-fig img{border-radius:0;background:none}

/* mobile hardening (images) */
figure{margin-left:0;margin-right:0}
.fig{max-width:100%;overflow:hidden}
.fig>picture,.fig>a{display:block;max-width:100%}
.fig figcaption{overflow-wrap:anywhere;word-break:normal}
.fig img{max-height:min(85vh,600px);object-fit:cover}
.diagram img,.steps-fig img{max-height:none;object-fit:contain}
.steps-fig img{margin:0 auto}
@media(max-width:560px){.steps-fig img{max-width:400px}}
.zoom-hint{display:none;font-weight:400;color:var(--mut)}
@media(max-width:700px){.zoom-hint{display:inline}}
.sources,.sources a,.prose a{overflow-wrap:anywhere}
.areas .cols{columns:2}