:root{--primary:#008c99;--bg:#f8f9fa;--text:#212529;--text-dim:#6c757d;--white:#fff}*{box-sizing:border-box;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}body{background-color:var(--bg);color:var(--text);line-height:1.5}header{background:var(--white);z-index:100;border-bottom:1px solid #dee2e6;justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex;position:sticky;top:0}.logo{height:40px}nav a{color:var(--text);margin-left:1.5rem;font-size:.9rem;font-weight:500;text-decoration:none}.btn-primary{background:var(--primary);color:var(--white);border-radius:4px;padding:.6rem 1.2rem;font-weight:600;text-decoration:none;display:inline-block}.hero{color:var(--white);text-align:center;background:#0a0e14;padding:4rem 2rem}.hero h1{margin-bottom:1rem;font-size:2.5rem}.hero p{color:#adb5bd;margin-bottom:2rem;font-size:1.1rem}section{max-width:1000px;margin:0 auto;padding:3rem 2rem}h2{color:var(--text);margin-bottom:2rem;font-size:1.8rem}.grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;display:grid}.card{background:var(--white);border:1px solid #dee2e6;border-radius:8px;padding:1.5rem}.card h3{color:var(--primary);margin-bottom:.5rem}.content-wrapper{max-width:800px;margin:2rem auto;padding:2rem}.content-card{background:var(--white);border:1px solid #dee2e6;border-radius:8px;padding:2rem}footer{text-align:center;background:#f1f3f5;border-top:1px solid #dee2e6;padding:2rem}.footer-links{margin-top:1rem}.footer-links a{color:var(--text-dim);margin:0 1rem;font-size:.85rem;text-decoration:none}@media (width<=600px){header{flex-direction:column;gap:1rem}nav a{margin:0 .5rem}}