*{margin:0;padding:0;box-sizing:border-box}:root{--primary:#068d9d;--secondary:#f5f5f5;--text-dark:#1a1a1a;--text-light:#666;--border:#e0e0e0}html{font-size:16px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif}body{color:var(--text-dark);background:#fff;line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 1rem}header{background:#fff;border-bottom:1px solid var(--border);padding:2rem 0;position:sticky;top:0;z-index:100}header .container{display:flex;justify-content:space-between;align-items:center}header h1{font-size:1.5rem;font-weight:700}header nav{display:flex;gap:2rem}header nav a{text-decoration:none;color:var(--text-dark);font-weight:500}header nav a:hover{color:var(--primary)}.hero{padding:6rem 0;text-align:center}.hero h1{font-size:3rem;font-weight:700;margin-bottom:1.5rem}.hero p{font-size:1.25rem;color:var(--text-light);margin-bottom:3rem}.buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.features{background:var(--secondary);padding:4rem 0;margin-top:4rem}.features h2{font-size:2.25rem;font-weight:700;text-align:center;margin-bottom:3rem}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem}.card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:2.5rem}.card:hover{box-shadow:0 8px 24px rgba(0,0,0,.1)}.card h3{font-size:1.25rem;font-weight:600;margin-bottom:1rem}.btn{display:inline-block;padding:.875rem 2rem;font-weight:600;border-radius:8px;text-decoration:none;border:none;cursor:pointer}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:#056b82}.btn-secondary{background:0;color:var(--primary);border:2px solid var(--primary)}.btn-secondary:hover{background:var(--primary);color:#fff}.auth-page{min-height:calc(100vh - 300px);display:flex;align-items:center;justify-content:center;padding:2rem 0}.auth-form{background:#fff;border:1px solid var(--border);border-radius:10px;padding:3rem;max-width:420px;width:100%}.auth-form h1{font-size:2rem;font-weight:700;margin-bottom:2rem;text-align:center}.form-group{margin-bottom:1.5rem}label{display:block;margin-bottom:.75rem;font-weight:600}input,select{width:100%;padding:.875rem;border:1px solid var(--border);border-radius:6px;font-family:inherit;font-size:1rem}input:focus,select:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 4px rgba(6,141,157,.1)}.auth-form a{color:var(--primary);text-decoration:none}footer{background:var(--secondary);border-top:1px solid var(--border);padding:2rem 0;text-align:center;color:var(--text-light);margin-top:4rem}@media (max-width:768px){header .container{flex-direction:column;gap:1.5rem}header nav{width:100%;justify-content:center;gap:1rem;flex-wrap:wrap}.hero{padding:3rem 0}.hero h1{font-size:2rem}.buttons{flex-direction:column}.buttons .btn{width:100%}.grid{grid-template-columns:1fr}}