:root{--ink:#1f1f1f;--muted:#5b5b5b;--green:#0b7d69;--mint:#e9f7f3;--paper:#fff;--line:#dfe7e4;--soft:#f7faf9;--max:1120px}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7}
a{color:var(--green)}header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:4}.nav{max-width:var(--max);margin:auto;padding:16px 22px;display:flex;align-items:center;gap:22px;justify-content:space-between}.brand{font-weight:800;text-decoration:none;color:var(--ink);letter-spacing:-.02em}.navlinks{display:flex;gap:16px;flex-wrap:wrap}.navlinks a{text-decoration:none;color:#333;font-size:14px}
.hero{background:linear-gradient(135deg,#eefbf7,#f8fbfa);padding:76px 22px 58px}.wrap{max-width:var(--max);margin:auto}.eyebrow{font-size:13px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--green)}h1{font-size:clamp(38px,6vw,68px);line-height:1.04;letter-spacing:-.045em;max-width:850px;margin:10px 0 20px}h2{font-size:30px;line-height:1.2;letter-spacing:-.025em;margin-top:0}.lead{font-size:20px;color:#414141;max-width:760px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-block;padding:13px 18px;border-radius:9px;background:var(--green);color:white;text-decoration:none;font-weight:750}.btn.secondary{background:white;color:var(--green);border:1px solid var(--green)}
main{max-width:var(--max);margin:auto;padding:54px 22px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{border:1px solid var(--line);border-radius:16px;padding:24px;background:#fff}.card a{font-weight:800;text-decoration:none}.content{max-width:780px}.section{padding:26px 0;border-bottom:1px solid var(--line)}.section p{color:#3e3e3e}.note{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:20px;margin:28px 0}.sourcebox{font-size:14px;color:var(--muted);margin-top:40px}.sourcebox a{word-break:break-word}
footer{background:#17211f;color:#e8efed;margin-top:60px}.foot{max-width:var(--max);margin:auto;padding:38px 22px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:26px}.foot a{color:#cce8df}.small{font-size:13px;color:#6a6a6a}
@media(max-width:760px){.nav{align-items:flex-start}.navlinks{display:none}.grid{grid-template-columns:1fr}.hero{padding-top:54px}.foot{grid-template-columns:1fr}h1{font-size:44px}}