:root{--bg:#f6f7fb;--text:#0f172a;--techblue:#0f3d91;--neon:#5bd6ff}*{box-sizing:border-box}html,body{height:100%}body{background:var(--bg);color:var(--text);margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,Apple Color Emoji,Segoe UI Emoji}a{color:var(--techblue);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1120px;margin:0 auto;padding:24px}.card{background:#fff;border:1px solid #0f3d911f;border-radius:14px;padding:20px;box-shadow:0 0 0 1px #5bd6ff40,0 10px 30px #0f3d911a}