:root{--primary-color:#4a6bff;--secondary-color:#ff6b4a;--dark-blue:#2a3b8f;--light-blue:#e6ebff;--success-green:#28a745;--warning-yellow:#ffc107;--danger-red:#dc3545;--light-gray:#f8f9fa;--medium-gray:#e9ecef;--dark-gray:#343a40}*{margin:0;padding:0;box-sizing:border-box;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}body{line-height:1.6;color:#333;background-color:#f9fafb}header{background:linear-gradient(135deg,var(--primary-color),var(--dark-blue));color:white;padding:2rem 0;text-align:center}header h1{font-size:2.5rem;margin-bottom:.5rem;font-weight:700}header p{font-size:1.2rem;max-width:800px;opacity:.9}.container,header p{margin:0 auto}section{padding:3rem 0}section h2{font-size:2rem;color:var(--dark-blue);margin-bottom:1.5rem}.tool-box{background-color:white;border-radius:8px;box-shadow:0 4px 15px rgba(0,0,0,.1);padding:2rem;margin-top:-4rem;position:relative;z-index:10}.input-group{display:flex;margin-bottom:1rem}.input-group input{flex:1;padding:.75rem 1rem;border:1px solid #ddd;border-radius:4px 0 0 4px;font-size:1rem}.input-group button{background-color:var(--primary-color);color:white;border:none;padding:.75rem 1.5rem;border-radius:0 4px 4px 0;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color .2s}.input-group button:hover{background-color:var(--dark-blue)}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:2rem}.feature-card{background-color:white;border-radius:8px;padding:1.5rem;box-shadow:0 2px 10px rgba(0,0,0,.05);transition:transform .3s,box-shadow .3s}.feature-card:hover{transform:translateY(-5px);box-shadow:0 5px 15px rgba(0,0,0,.1)}.feature-card h3{color:var(--primary-color);font-size:1.25rem;margin-bottom:1rem}.how-it-works{background-color:var(--light-blue)}.steps{margin:2rem 0}.step{display:flex;align-items:flex-start;margin-bottom:1.5rem}.step-number{background-color:var(--primary-color);color:white;width:2.5rem;height:2.5rem;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0;margin-right:1rem}.step-content{flex:1}.health-score{background-color:white;padding:2rem;border-radius:8px;box-shadow:0 2px 10px rgba(0,0,0,.05);margin-bottom:2rem}.score-metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-top:1.5rem}.metric-card{background-color:var(--light-gray);padding:1rem;border-radius:6px}.metric-card h4{color:var(--dark-blue);margin-bottom:.5rem}.audience-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}.audience-card{background-color:white;padding:1.5rem;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.05)}.audience-card h3{color:var(--primary-color);margin-bottom:.75rem}.benefits-list{list-style:none;margin-top:1.5rem}.benefits-list li{padding:.75rem 0;border-bottom:1px solid var(--medium-gray);display:flex;align-items:center}.benefits-list li:last-child{border-bottom:none}.benefits-list li:before{content:"✓";color:var(--success-green);font-weight:700;margin-right:.75rem}.cta-section{text-align:center;background-color:var(--light-blue)}.cta-buttons{display:flex;justify-content:center;gap:1rem;margin-top:1.5rem}.btn{display:inline-block;padding:.75rem 1.5rem;border-radius:4px;font-size:1rem;font-weight:600;text-decoration:none;transition:all .2s;cursor:pointer}.btn-primary{color:var(--primary-color);border:2px solid var(--primary-color)}.btn-primary:hover{background-color:var(--primary-color);transform:translateY(-2px);color:white}.btn-secondary{color:var(--primary-color);border:2px solid var(--primary-color)}.btn-secondary:hover{background-color:var(--primary-color);color:white;transform:translateY(-2px)}footer{background-color:var(--dark-gray);color:#fff;padding:2rem 0;text-align:center}.advantages{margin-top:2rem}.advantage-category{background-color:white;border-radius:8px;padding:1.5rem;box-shadow:0 2px 8px rgba(0,0,0,.05)}.advantage-category h3{color:var(--primary-color);margin-bottom:1rem;font-size:1.3rem}.security-notes{background-color:var(--light-blue);border-left:4px solid var(--primary-color);padding:1.5rem;margin:2rem 0}@media (max-width:768px){.input-group{flex-direction:column}.input-group input{border-radius:4px;margin-bottom:.5rem}.input-group button{border-radius:4px}.cta-buttons{flex-direction:column}.tool-box{margin-top:-2rem;padding:1.5rem}}