:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#17334a;background:#f1faff}*{box-sizing:border-box}body{margin:0}main{max-width:860px;margin:auto;padding:28px 20px 48px}.brand{font-size:26px;font-weight:750;letter-spacing:-1px}.brand span{color:#2685cd}h1{font-size:clamp(30px,7vw,45px);letter-spacing:-1px;margin:22px 0 12px}p{font-size:17px;line-height:1.5}nav{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.button{padding:15px 20px;border-radius:13px;background:#2685cd;color:white;font-weight:650;text-decoration:none;text-align:center;min-height:50px}.secondary{background:#fff;color:#1977bf;border:1px solid #bad8ed}.hint{font-size:14px;color:#526d80}img{display:block;width:100%;height:auto;border-radius:14px;box-shadow:0 8px 35px #17334a12;margin:26px 0}a{color:#1977bf}a:focus-visible{outline:3px solid #17334a;outline-offset:4px}@media(max-width:500px){nav{flex-direction:column}.button{width:100%}}