:root{
  --green-900:#14301e; --green-800:#1d4530; --green-700:#159347; --green-600:#1db558;
  --green-100:#e8f3ec; --green-50:#f4faf6;
  --ink:#1c2b22; --muted:#5a6f62; --line:#dce8e0; --bg:#ffffff; --bg-soft:#f7faf8;
  --accent:#c98a2b;
  --radius:10px;
  --maxw:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:16.5px}
img{max-width:100%;height:auto;display:block}
a{color:var(--green-700);text-decoration:none}
a:hover{color:var(--green-600)}
h1,h2,h3,h4{line-height:1.25;color:var(--green-900);font-weight:700}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* top bar */
.topbar{background:var(--green-900);color:#cfe6d8;font-size:.85rem}
.topbar .container{display:flex;justify-content:space-between;align-items:center;padding-top:6px;padding-bottom:6px;gap:12px;flex-wrap:wrap}
.topbar a{color:#fff;font-weight:600}

/* header / nav */
header.site{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
header.site .container{display:flex;align-items:center;justify-content:space-between;padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--green-900)}
.brand small{display:block;font-size:.72rem;font-weight:500;color:var(--muted);letter-spacing:.02em}
.brand svg{flex:none}
nav.main{display:flex;gap:2px;align-items:center;flex:none}
nav.main a{padding:8px 9px;border-radius:8px;color:var(--ink);font-weight:600;font-size:.92rem;white-space:nowrap}
nav.main a:hover{background:var(--green-50);color:var(--green-800)}
nav.main a.active{color:var(--green-700);background:var(--green-100)}
nav.main a.cta{background:var(--green-700);color:#fff;margin-left:6px}
nav.main a.cta:hover{background:var(--green-600)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:1.1rem;color:var(--green-800);cursor:pointer}
@media(max-width:1240px){.brand small{display:none}}
@media(max-width:1080px){
  .nav-toggle{display:block}
  nav.main{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;flex-direction:column;align-items:stretch;padding:10px 16px 16px;border-bottom:1px solid var(--line);box-shadow:0 10px 24px rgba(0,0,0,.08);max-height:calc(100vh - 62px);max-height:calc(100dvh - 62px);overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}
  nav.main.open{display:flex}
  nav.main a.cta{margin-left:0;text-align:center}
}

/* hero */
.hero{position:relative;color:#fff;background:var(--green-900)}
.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.45}
.hero .container{position:relative;padding:88px 20px 96px}
.hero h1{color:#fff;font-size:clamp(1.9rem,4.2vw,3rem);max-width:760px}
.hero p.lead{font-size:1.15rem;max-width:640px;margin:18px 0 28px;color:#e6f2ea}
.btn{display:inline-block;background:var(--green-600);color:#fff;font-weight:700;padding:13px 26px;border-radius:8px;font-size:1rem}
.btn:hover{background:var(--green-700);color:#fff}
.btn.alt{background:#fff;color:var(--green-800);margin-left:10px}
.btn.alt:hover{background:var(--green-100)}

/* sections */
section{padding:64px 0}
section.soft{background:var(--bg-soft)}
.kicker{color:var(--green-600);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:.8rem;margin-bottom:8px}
h2.sec{font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:14px}
p.lead-sec{color:var(--muted);max-width:720px;margin-bottom:36px}

/* grids & cards */
.grid{display:grid;gap:22px}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:840px){.grid.cols-3,.grid.cols-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:0 8px 24px rgba(20,48,30,.08);transform:translateY(-2px)}
.card h3{font-size:1.12rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.95rem}
.card .ico{width:44px;height:44px;border-radius:10px;background:var(--green-100);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.card img{border-radius:8px;margin-bottom:16px;aspect-ratio:3/2;object-fit:cover;width:100%}

/* stats band */
.stats{background:var(--green-800);color:#fff}
.stats .grid{text-align:center}
.stats .num{font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:800;color:#fff}
.stats .lbl{color:#b9d8c6;font-size:.9rem;margin-top:4px}

/* feature split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
@media(max-width:840px){.split{grid-template-columns:1fr}}
.split img{border-radius:var(--radius)}
.checklist{list-style:none;margin-top:16px}
.checklist li{padding:7px 0 7px 30px;position:relative;color:var(--ink)}
.checklist li::before{content:"";position:absolute;left:0;top:12px;width:16px;height:16px;border-radius:50%;background:var(--green-100) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%232f7a4e" stroke-width="3.4" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"/></svg>') center/10px no-repeat}

/* spec table */
table.spec{width:100%;border-collapse:collapse;margin-top:18px;font-size:.95rem}
table.spec th,table.spec td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top}
table.spec th{background:var(--green-50);color:var(--green-900);width:38%}

/* news list */
.news-item{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}
.news-item img{width:200px;height:130px;object-fit:cover;border-radius:8px;flex:none}
.news-item h3{font-size:1.15rem;margin-bottom:6px}
.news-item .date{color:var(--muted);font-size:.85rem;margin-bottom:6px}
.news-item p{color:var(--muted);font-size:.95rem}
@media(max-width:640px){.news-item{flex-direction:column}.news-item img{width:100%;height:180px}}

/* article body */
.article-hero{background:var(--green-900);color:#fff;padding:56px 0}
.article-hero h1{color:#fff;font-size:clamp(1.6rem,3.4vw,2.4rem);max-width:820px}
.article-hero .meta{color:#b9d8c6;margin-top:14px;font-size:.9rem}

/* mobile hero buttons: stack, left-aligned */
@media(max-width:640px){
  .hero .container{padding:64px 20px 76px}
  .hero .btn{display:block;width:fit-content;margin:0 0 12px}
  .hero .btn.alt{margin-left:0}
}

/* floating contact button */
.float-contact{position:fixed;right:20px;bottom:20px;z-index:999;display:inline-flex;align-items:center;gap:9px;
  background:var(--green-600);color:#fff;font-weight:700;font-size:.95rem;padding:13px 20px;border-radius:999px;
  box-shadow:0 6px 22px rgba(20,60,40,.35);transition:transform .15s ease,background .15s ease}
.float-contact:hover{background:var(--green-700);color:#fff;transform:translateY(-2px)}
.float-contact svg{width:18px;height:18px;flex:none}
@media(max-width:640px){.float-contact{right:14px;bottom:14px;padding:13px;border-radius:50%}.float-contact span{display:none}}

/* mailto toast */
.mailto-toast{position:fixed;left:50%;bottom:84px;transform:translate(-50%,10px);z-index:1000;max-width:86vw;
  background:#1c2b22;color:#fff;font-size:.9rem;line-height:1.45;padding:11px 16px;border-radius:10px;
  box-shadow:0 8px 26px rgba(0,0,0,.3);opacity:0;transition:opacity .25s ease,transform .25s ease;pointer-events:none;text-align:center}
.mailto-toast.show{opacity:1;transform:translate(-50%,0)}
article.body{max-width:960px;margin:0 auto;padding:48px 20px}
article.body h2{font-size:1.5rem;margin:34px 0 12px}
article.body h3{font-size:1.2rem;margin:26px 0 10px}
article.body p{margin-bottom:16px;color:#2a3b31}
article.body ul,article.body ol{margin:0 0 16px 22px;color:#2a3b31}
article.body li{margin-bottom:6px}
article.body img{border-radius:var(--radius);margin:24px 0}
article.body blockquote{border-left:4px solid var(--green-600);background:var(--green-50);padding:14px 18px;margin:20px 0;color:var(--green-900);border-radius:0 8px 8px 0}

/* cta band */
.cta-band{background:var(--green-100);border-radius:var(--radius);padding:36px;text-align:center}
.cta-band h2{margin-bottom:10px}
.cta-band p{color:var(--muted);margin-bottom:20px}
.mail-link{font-weight:700;font-size:1.15rem;word-break:break-all}

/* footer */
footer{background:var(--green-900);color:#b9d8c6;padding:52px 0 28px;margin-top:0}
footer .grid{align-items:start}
footer h4{color:#fff;margin-bottom:12px;font-size:1rem}
footer a{color:#cfe6d8;display:block;padding:3px 0;font-size:.93rem}
footer a:hover{color:#fff}
footer .copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding-top:20px;font-size:.85rem;text-align:center}

/* dropdown nav */
nav.main .has-sub{position:relative}
nav.main .has-sub>a .caret{font-size:.7rem;color:var(--muted)}
nav.main .sub{display:none;position:absolute;top:100%;left:0;min-width:230px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 30px rgba(20,48,30,.12);padding:8px;z-index:60}
nav.main .sub a{display:block;padding:9px 12px;border-radius:7px;font-weight:500;font-size:.92rem;white-space:nowrap}
nav.main .sub a:hover{background:var(--green-50);color:var(--green-800)}
nav.main .has-sub:hover .sub,nav.main .has-sub:focus-within .sub{display:block}
@media(max-width:1080px){
  nav.main .sub{display:block;position:static;border:none;box-shadow:none;padding:0 0 4px 14px;min-width:0}
  nav.main .sub a{font-size:.88rem;color:var(--muted);padding:6px 12px}
  nav.main .has-sub>a .caret{display:none}
}

/* faq accordion */
.faq-item{border:1px solid var(--line);border-radius:10px;margin-bottom:10px;background:#fff}
.faq-item summary{padding:15px 18px;font-weight:600;color:var(--green-900);cursor:pointer;list-style:none;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:16px;top:13px;font-size:1.2rem;color:var(--green-600)}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-a{padding:0 18px 16px;color:#2a3b31;font-size:.95rem}
.faq-item .faq-a p{margin-bottom:10px}

/* breadcrumb */
.crumbs{font-size:.85rem;color:var(--muted);padding:14px 0 0}
.crumbs a{color:var(--muted)}

/* migrated article figures */
article.body .fig{margin:24px 0}
article.body .fig img{border-radius:var(--radius);margin:0}
article.body figcaption{font-size:.85rem;color:var(--muted);text-align:center;margin-top:8px}
/* consecutive figures pair up side by side on desktop; lone figures stay full-width */
@media(min-width:721px){
  article.body .fig:has(+ .fig),
  article.body .fig + .fig{display:inline-block;width:calc(50% - 12px);vertical-align:top;margin:12px 6px 12px 0}
  article.body .fig + .fig{margin-left:12px;margin-right:0}
}
article.body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:.93rem}
article.body th,article.body td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
article.body th{background:var(--green-50)}
article.body h1{font-size:1.6rem;margin:28px 0 12px}
article.body img{max-width:100%;height:auto}

/* archive list on news page */
.archive-cols{display:grid;grid-template-columns:1fr 1fr;gap:8px 32px}
@media(max-width:700px){.archive-cols{grid-template-columns:1fr}}

/* language switcher in topbar */
.topbar .langs{margin-inline-start:12px;font-size:.78rem;white-space:nowrap}
.topbar .langs a{color:#fff;opacity:.75;margin:0 2px;font-weight:500}
@media(max-width:1080px){.topbar .langs{display:inline-block;margin-top:2px;white-space:normal}}
@media(max-width:560px){.topbar .container>span:first-child{display:none}}
.topbar .langs a:hover{opacity:1}
.topbar .langs a.cur{opacity:1;font-weight:700;border-bottom:2px solid #fff}

/* RTL (Arabic) */
html[dir="rtl"] body{text-align:right}
html[dir="rtl"] article.body ul,html[dir="rtl"] article.body ol{margin:0 22px 16px 0}
html[dir="rtl"] .chart-labels span{direction:ltr}
html[dir="rtl"] nav.main .sub{left:auto;right:0}
html[dir="rtl"] .btn.alt{margin-left:0;margin-right:10px}
.archive-cols a{display:block;padding:7px 0;border-bottom:1px dashed var(--line);font-size:.95rem;color:var(--ink)}
.archive-cols a:hover{color:var(--green-700)}
.archive-cols .d{color:var(--muted);font-size:.78rem;margin-left:6px}