:root{
      --max-width:900px;
      --accent:#0b6b63;
      --muted:#6b6b6b;
      --bg:#f7faf9;
      --card:#ffffff;
      --serif: "Georgia", "Times New Roman", serif;
      --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
    }
    html,body{height:100%;margin:0;background:linear-gradient(180deg,#f7faf9 0%, #eef6f4 100%);font-family:var(--sans);color:#0e0e0e;}
    .wrap{max-width:var(--max-width);margin:48px auto;padding:40px;background:var(--card);box-shadow:0 10px 30px rgba(12,20,18,0.06);border-radius:10px;}
    header h1{font-family:var(--serif);font-size:32px;margin:0 0 12px;color:var(--accent);}
    header p.lead{margin:0 0 28px;font-size:16px;color:var(--muted);line-height:1.5;}
    section p{font-size:18px;line-height:1.7;margin:18px 0;color:#111;}
    .quote{font-style:italic;color:#2d554c;border-left:4px solid #dbeeea;padding-left:12px;margin:22px 0;}
    .small{font-size:14px;color:var(--muted);margin-top:28px;}
    @media (max-width:640px){.wrap{margin:20px;padding:20px}.wrap header h1{font-size:26px}.section p{font-size:16px}}