:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#173b34;background:#f7f4ef}*{box-sizing:border-box}body{margin:0;line-height:1.65}main,header,footer{max-width:900px;margin:auto;padding:24px}header{padding-top:54px}.brand{font-weight:900;letter-spacing:.14em;font-size:1.15rem}h1{font-size:clamp(2rem,6vw,3.8rem);line-height:1.05;margin:.5em 0}.card{background:#fff;border:1px solid #e8e1d7;border-radius:20px;padding:24px;margin:20px 0}h2{margin-top:1.5em}a{color:#245f50;font-weight:700}.button{display:inline-block;background:#173b34;color:#fff;text-decoration:none;padding:12px 18px;border-radius:12px}.muted,footer{color:#66736f}nav a{margin-right:18px}ul{padding-left:22px}@media(max-width:600px){header,main,footer{padding-left:18px;padding-right:18px}}