:root{--bg:#0b132b;--card:#1c2541;--elevated:#24304f;--border:#334155;--text:#f8fafc;--text2:#cbd5e1;--muted:#94a3b8;--emerald:#10b981;--emerald-ink:#042f2e;--sky:#38bdf8;--amber:#f59e0b;--whatsapp:#25d366}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--sky)}a:hover{text-decoration:underline}.wrap{max-width:1040px}.narrow,.wrap{margin:0 auto;padding:0 20px}.narrow{max-width:760px}.header{border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;background:rgba(11,19,43,.92);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:10}.header .wrap{justify-content:space-between;height:60px}.brand,.header 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