:root{--bg: #f4f6f9;--card: #ffffff;--ink: #111418;--text: #1a1d21;--muted: #6b7280;--border: #e6eaf0;--accent: #2f80ed;--green: #2b8a3e;--red: #d64545;--radius: 20px;--gutter: 16px;--font: "Quicksand", "Mukta", system-ui, sans-serif;--heading: "Quicksand", "Baloo 2", "Mukta", system-ui, sans-serif;color-scheme:light}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}img{display:block;max-width:100%}h1,h2,h3{font-family:var(--heading);font-weight:700;line-height:1.2;margin:0}.container{width:100%;max-width:1120px;margin:0 auto;padding:0 var(--gutter)}.topbar{position:sticky;top:0;z-index:20;background:#f4f6f9d9;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.topbar 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