:root{--bg: #effaf3;--surface: #f6fff9;--surface-2: #e0efe6;--surface-3: #d2e6dc;--primary-50: #e9f8ef;--primary-100: #c8f0d7;--primary-200: #9fe4ba;--primary-600: #2ea86d;--primary-900: #0e6c3b;--text: #0f172a;--text-muted: #5b6b77;--footer-bg: #0e6c3b}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:Rubik,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol;background:var(--bg);color:var(--text)}a{color:var(--primary-900)}.container{padding:2rem 1rem}.btn{background:var(--primary-600);color:#fff;border:none;padding:.75rem 1.25rem;border-radius:999px;text-decoration:none;display:inline-block;cursor:pointer}.btn:hover{filter:brightness(.95)}h1,h2,h3{color:var(--text);margin:.2rem 0 .6rem}h2{font-size:clamp(1.4rem,3.5vw,1.8rem)}.card{background:var(--surface);border:1px solid var(--surface-2);border-radius:16px;box-shadow:0 4px 16px #0000000a;padding:1.25rem}