:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#16231e;background:#f7f8f6;line-height:1.6}*{box-sizing:border-box}body{margin:0}header{background:#0f1714;color:#fff;padding:22px 20px}header div,main,footer div{width:min(920px,calc(100% - 40px));margin:auto}header a{color:#fff;text-decoration:none;font-weight:700;font-size:20px}main{padding:48px 0 64px}h1{font-size:clamp(32px,6vw,52px);line-height:1.08;margin:0 0 12px}h2{margin-top:38px;font-size:23px}h3{margin-top:26px}.lead{font-size:18px;color:#43524c}.card{background:#fff;border:1px solid #dfe5e1;border-radius:18px;padding:22px;margin:24px 0}a{color:#315f52}.button{display:inline-block;background:#16231e;color:#fff;text-decoration:none;padding:12px 17px;border-radius:12px;font-weight:650}.muted{color:#68756f;font-size:14px}ul{padding-left:22px}footer{border-top:1px solid #dfe5e1;padding:24px 0 40px;color:#68756f;font-size:14px}@media(max-width:600px){main{padding-top:34px}.card{padding:18px}}