:root{--ink:#1c2b3a;--muted:#607083;--paper:#f6f3ed;--line:#ded8ce;--amber:#c9882a;--green:#0d7563}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.7 "IBM Plex Sans",Arial,sans-serif}a{color:var(--green)}.w{width:min(1100px,calc(100% - 36px));margin:auto}header{background:#fff;border-bottom:1px solid var(--line)}nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}.logo{font:600 1.4rem Fraunces,serif;text-decoration:none;color:var(--ink)}.navlinks{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.navlinks a{text-decoration:none;font-weight:600}.hero{padding:72px 0 44px}.eyebrow{font:600 .78rem "IBM Plex Mono",monospace;text-transform:uppercase;letter-spacing:.1em;color:var(--green)}h1,h2,h3{font-family:Fraunces,Georgia,serif;line-height:1.15}h1{font-size:clamp(2.4rem,6vw,4.6rem);max-width:920px;margin:12px 0 20px}h2{font-size:2rem;margin-top:42px}.lead{font-size:1.15rem;color:var(--muted);max-width:760px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:32px 0 72px}.card,.article,.cta{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px}.card{text-decoration:none;color:inherit}.card span{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--green);font-weight:700}.card h2{font-size:1.45rem;margin:10px 0}.card p{color:var(--muted)}.article{max-width:820px;margin:0 auto 38px;padding:clamp(24px,5vw,58px)}.article h1{font-size:clamp(2.2rem,5vw,3.7rem)}.article li{margin:8px 0}.exercise{border-left:4px solid var(--amber);background:#fbf6ee;padding:18px 22px;margin:25px 0}.cta{margin:38px 0;background:var(--ink);color:#fff}.btn{display:inline-flex;padding:12px 20px;border-radius:999px;background:var(--amber);color:#fff;text-decoration:none;font-weight:700;margin:6px 8px 0 0}footer{padding:30px 0 50px;color:var(--muted)}@media(max-width:760px){.grid{grid-template-columns:1fr}.navlinks a:not(.btn){display:none}.hero{padding-top:45px}}