:root{font-family:Arial,sans-serif;color:#18261f;background:#f6f1e7}*{box-sizing:border-box}body{margin:0}header,main,footer{max-width:1050px;margin:auto;padding:24px}header,nav,footer,.section-head{display:flex;align-items:center;justify-content:space-between;gap:20px}a{color:inherit}.brand{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:#1d4f3a;color:#ffd34f;text-decoration:none;font-weight:900}nav a{font-weight:700}.hero{padding:100px 0;max-width:800px}.hero>p:first-child,.tag{font-size:13px;font-weight:900;letter-spacing:.12em;color:#52705e}.hero h1{font-size:clamp(44px,8vw,86px);line-height:1;margin:.22em 0}.hero>p:last-child{font-size:20px;line-height:1.6;max-width:670px}.filters{display:flex;gap:8px}.filters button{border:1px solid #95a698;background:transparent;border-radius:999px;padding:9px 16px}.filters button.active{background:#1d4f3a;color:white}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:24px 0 90px}.project{min-height:230px;background:white;border-radius:16px;padding:25px;border:1px solid #ded6c6}.project[hidden]{display:none}.project h2{font-size:26px}.project p:last-child{line-height:1.6;color:#52615a}footer{border-top:1px solid #d7cdbb;margin-top:40px}@media(max-width:700px){.grid{grid-template-columns:1fr}.section-head,footer{align-items:flex-start;flex-direction:column}.hero{padding:60px 0}}