*,:after,:before{box-sizing:border-box}body,html{margin:0;overflow-x:hidden;padding:0}body{background:linear-gradient(90deg,#4facfe,#00f2fe);color:#fff;font-family:Arial,sans-serif}.calculator-container{display:flex;flex-wrap:wrap;margin:0 auto;max-width:1200px;padding:40px;width:100%}.left,.right{flex:1;min-width:300px}.left{padding-right:20px}.right{padding-left:20px}h1{font-size:2.5rem;line-height:1.2;margin-bottom:10px}p{font-size:1.1rem}.badge,p{margin-bottom:30px}.badge{max-width:200px}.button{background:#fff;border-radius:4px;color:#4facfe;display:inline-block;font-weight:700;padding:12px 24px;text-decoration:none}.slider-group{margin-bottom:30px}.slider-group label{display:block;font-weight:700;margin-bottom:8px}.slider-group input[type=range]{width:100%}.slider-group .value{font-size:1.2rem;margin-top:5px}.results{font-size:1.2rem;line-height:1.4;margin-top:40px}.results .big{font-size:2rem;font-weight:700;margin:8px 0}