:root{color-scheme:light;--ink:#123c35;--paper:#f5f7f1;--accent:#c9f28b}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:18px/1.7 system-ui,sans-serif}header,main,footer{max-width:880px;margin:auto;padding:28px}header{display:flex;align-items:center;justify-content:space-between;gap:24px}header a{font-weight:750;text-decoration:none}a{color:inherit;text-underline-offset:4px}nav{display:flex;gap:20px;font-size:15px}h1{font-size:clamp(36px,7vw,64px);line-height:1.1;letter-spacing:-2px;margin:24px 0}h2{font-size:26px;line-height:1.3;margin-top:36px}.hero{padding-top:44px;padding-bottom:64px}.hero img{width:128px;border-radius:28px}.lead{font-size:23px;max-width:650px}.card{background:white;padding:28px;border-radius:24px;margin:22px 0}.muted,footer{font-size:15px;color:#52655e}footer{border-top:1px solid #dbe2d7}li{margin:12px 0}@media(max-width:500px){header{align-items:flex-start;flex-direction:column}header,main,footer{padding:20px}}