:root{color-scheme:dark;--bg:#071225;--panel:#10213b;--ink:#f3f7ff;--muted:#b7c8df;--blue:#77d9ff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--blue);text-underline-offset:4px}header,main,footer{max-width:900px;margin:auto;padding:24px}header{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid #24344a}.brand{display:flex;align-items:center;gap:12px;color:white;text-decoration:none;font-weight:750;font-size:22px}.brand img{width:48px;height:48px;border-radius:12px}nav{display:flex;gap:22px}main{padding-top:54px;padding-bottom:60px}h1{font-size:clamp(36px,7vw,58px);line-height:1.1;letter-spacing:-1.6px;margin:12px 0 24px}h2{font-size:24px;line-height:1.3;margin-top:36px}p,li{color:var(--muted)}.eyebrow{color:var(--blue);font-size:13px;letter-spacing:2px;text-transform:uppercase;font-weight:700}.lead{font-size:21px;max-width:680px}.card{background:var(--panel);border:1px solid #29425c;border-radius:18px;padding:24px;margin:28px 0}.card h2{margin-top:0}.button{display:inline-block;padding:12px 20px;background:var(--blue);color:#071225;border-radius:10px;font-weight:700;text-decoration:none;overflow-wrap:anywhere}footer{border-top:1px solid #24344a;color:var(--muted);font-size:14px}.meta{font-size:14px}a:focus-visible{outline:3px solid white;outline-offset:5px}@media(max-width:520px){header{align-items:flex-start;flex-direction:column}nav{gap:20px}.card{padding:20px}main{padding-top:36px}}