:root{color-scheme:dark;font-family:system-ui,-apple-system,BlinkMacSystemFont,sans-serif;background:#08172d;color:#edf5ff}*{box-sizing:border-box}body{margin:0;line-height:1.65}header,main,footer{max-width:900px;margin:auto;padding:28px}header{display:flex;align-items:center;gap:18px;border-bottom:1px solid #29466a}header img{width:68px;height:68px;border-radius:16px}a{color:#7fd4ff;text-underline-offset:4px}nav{display:flex;gap:24px;flex-wrap:wrap;margin-left:auto}h1{font-size:clamp(2rem,6vw,3.5rem);line-height:1.08;letter-spacing:-.035em;margin:18px 0 26px}h2{font-size:1.4rem;margin-top:36px;color:#ffda59}p,li{font-size:1.05rem}main{padding-top:40px;padding-bottom:64px}section{margin-bottom:32px}.card{border:1px solid #315378;border-radius:20px;padding:24px;background:#102540}.muted,footer{color:#a9bed6}footer{border-top:1px solid #29466a;font-size:.9rem}.button{display:inline-block;background:#ffda59;color:#08172d;font-weight:750;padding:12px 22px;border-radius:12px;text-decoration:none}.brand{font-weight:800;color:#fff;text-decoration:none}.lang{font-size:.95rem}details{padding:18px 0;border-bottom:1px solid #29466a}summary{cursor:pointer;font-weight:650;font-size:1.05rem}@media(max-width:600px){header{flex-wrap:wrap;padding:20px}nav{width:100%;margin:0;gap:20px}main,footer{padding:24px}h1{margin-top:24px}}