:root{--green:#3d8f1d;--green-dark:#2c6a14;--green-soft:#f1f8e6;--lime:#8ecc00;--ink:#1d2621;--muted:#5b6660;--line:#e3e8e4;--bg:#fff;--max:1040px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px}
a{color:var(--green-dark)}
a:hover{color:var(--green)}
img{max-width:100%;height:auto}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
header.site{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:10}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.3rem;letter-spacing:.02em;text-decoration:none;color:var(--ink)}
.brand b{color:var(--green);font-weight:800}
.brand img{height:36px;width:36px;display:block}
nav.main{display:flex;gap:18px;flex-wrap:wrap}
nav.main a{text-decoration:none;color:var(--muted);font-weight:600;font-size:.92rem}
nav.main a:hover{color:var(--green)}
.hero{background:linear-gradient(180deg,var(--green-soft),#fff);padding:72px 0 56px}
.eyebrow{display:inline-block;color:var(--green-dark);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:.8rem;margin-bottom:10px}
.hero h1{font-size:clamp(2rem,4.5vw,3rem);line-height:1.15;margin:0 0 16px;max-width:18ch}
.hero p{font-size:1.15rem;color:var(--muted);max-width:60ch;margin:0 0 28px}
.btn{display:inline-block;background:var(--green);color:#fff;text-decoration:none;font-weight:700;padding:12px 22px;border-radius:8px}
.btn:hover{background:var(--green-dark);color:#fff}
.btn.ghost{background:transparent;color:var(--green-dark);border:2px solid var(--green);margin-left:8px}
section{padding:64px 0;border-bottom:1px solid var(--line)}
section h2{font-size:1.8rem;margin:0 0 8px}
.lead{color:var(--muted);max-width:65ch;margin:0 0 32px}
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{border:1px solid var(--line);border-radius:12px;padding:24px;background:#fff}
.card h3{margin:0 0 6px;font-size:1.2rem}
.card p{margin:0 0 12px;color:var(--muted)}
.card .tag{display:inline-block;font-size:.75rem;font-weight:700;color:var(--green-dark);background:var(--green-soft);padding:3px 10px;border-radius:99px;margin-bottom:12px}
.card a.more{font-weight:600;text-decoration:none}
.past{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0}
.past li{border:1px solid var(--line);border-radius:99px;padding:6px 14px;color:var(--muted);font-size:.95rem}
.features{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.features h3{margin:0 0 8px;font-size:1.05rem;color:var(--green-dark)}
.features ul{margin:0;padding-left:18px;color:var(--muted);font-size:.95rem}
.contact{text-align:center;background:var(--green-soft);border-bottom:0}
.contact .btn{font-size:1.05rem}
footer.site{padding:32px 0;color:var(--muted);font-size:.9rem}
footer.site .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer.site a{color:var(--muted)}
footer.site nav{display:flex;gap:16px;flex-wrap:wrap}
article.post{max-width:720px;margin:0 auto;padding:56px 20px}
article.post h1{font-size:clamp(1.9rem,4vw,2.6rem);line-height:1.2;margin:0 0 8px}
article.post .meta{color:var(--muted);margin:0 0 28px}
article.post h2{margin-top:40px}
.definition{border-left:4px solid var(--lime);background:var(--green-soft);padding:14px 18px;border-radius:0 8px 8px 0;margin:0 0 28px}
.definition em{color:var(--muted)}
@media (max-width:640px){nav.main{gap:12px}.hero{padding:48px 0 40px}section{padding:48px 0}.btn.ghost{margin:10px 0 0}}