body{margin:0;background:#f5f7fa;color:#183044;font:18px/1.7 system-ui,sans-serif}header,main,footer{max-width:960px;margin:auto;padding:28px}header{border-bottom:1px solid #d8e0e8}a{color:#126c72}nav{display:flex;gap:24px;flex-wrap:wrap}h1{font-size:clamp(32px,6vw,54px);line-height:1.2}article{background:white;padding:32px;border-radius:16px;margin:24px 0}.badge{color:#775312}a:focus-visible{outline:3px solid #126c72;outline-offset:4px}