:root{--green:#2f4a2e;--bg:#f7f7f2;--card:#fff;--text:#223a22;--muted:#66736c;--border:#e3e7dd}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);line-height:1.65}
header{background:#fff;border-bottom:1px solid var(--border)}.wrap{max-width:980px;margin:0 auto;padding:0 22px}
.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:900;letter-spacing:2px;font-size:23px;color:var(--green);text-decoration:none}
nav a{color:var(--text);text-decoration:none;font-weight:700;margin-left:20px}.hero{padding:72px 0 56px;text-align:center}
.hero h1{font-size:46px;line-height:1.08;margin:0 0 15px}.hero p{max-width:680px;margin:0 auto;color:var(--muted);font-size:18px}
.btn{display:inline-block;margin-top:26px;background:var(--green);color:#fff;text-decoration:none;padding:13px 20px;border-radius:14px;font-weight:800}
.card{background:var(--card);border:1px solid var(--border);border-radius:22px;padding:28px;margin:30px 0}.card h1{margin-top:0;font-size:34px}.card h2{margin-top:30px;font-size:21px}
.meta{color:var(--muted);font-size:14px}footer{padding:35px 0 50px;color:var(--muted);font-size:13px;text-align:center}
@media(max-width:650px){.hero h1{font-size:36px}.nav{align-items:flex-start;flex-direction:column;padding:18px 0}nav a{margin:0 16px 0 0}}