body{margin:0;background:#faf9f3;color:#263c2d;font:16px/1.8 system-ui,sans-serif}header,main{max-width:1000px;padding:24px;margin:auto}header{display:flex;justify-content:space-between;border-bottom:1px solid #d1d8c8}a{color:inherit}h1{font-size:32px}.notes{font-size:22px}.product{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}.product img{width:100%;height:auto}.buy{display:inline-block;background:#4b654f;color:white;padding:10px 20px;border-radius:8px;text-decoration:none}main nav{display:flex;flex-wrap:wrap;gap:14px;border-top:1px solid #d1d8c8;margin-top:32px;padding-top:24px}@media(max-width:700px){.product{grid-template-columns:1fr}h1{font-size:27px}.notes{font-size:19px}header,main{padding:20px}}