:root{font-family:-apple-system,BlinkMacSystemFont,system-ui,sans-serif;color:#172c48;background:#edf5ff}body{margin:0;line-height:1.65}main{max-width:780px;margin:8vh auto;padding:32px}img{width:88px;border-radius:22px}h1{font-size:clamp(36px,7vw,64px);letter-spacing:-.055em;line-height:1.05}h2{margin-top:32px;font-size:23px;letter-spacing:-.02em}p{color:#405675}a{color:#075bd7}nav{display:flex;gap:20px;font-size:14px;margin:32px 0}.card{background:#fff9;border:1px solid #fff;padding:28px;border-radius:24px;margin:26px 0}.price{font-size:36px;font-weight:650;color:#173b72}small{color:#526884}