:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#153739;background:#f2f8f6}body{max-width:840px;margin:auto;padding:48px 24px;line-height:1.8}nav{display:flex;gap:24px;flex-wrap:wrap}a{color:#08776e}h1{font-size:48px;line-height:1.15;letter-spacing:-2px}h2{margin-top:36px}article{background:white;border:1px solid #d5e7e0;border-radius:24px;padding:32px;margin-top:28px}p{max-width:70ch}input,textarea,button{font:inherit;padding:12px;border:1px solid #bdd5ce;border-radius:10px;box-sizing:border-box}input,textarea{display:block;width:100%;margin:8px 0 20px}button{background:#086b60;color:white;cursor:pointer}small{color:#536d69}footer{margin-top:40px}.badge{color:#08776e;font-weight:600}@media(max-width:500px){h1{font-size:36px}article{padding:22px}}