:root{--primary-blue: #4A90E2;--primary-color: #2563eb;--accent-color: #60a5fa;--light-blue: #E8F4FD;--medium-blue: #7BB3F0;--dark-blue: #2C5F8D;--light-gray: #F5F5F5;--medium-gray: #E0E0E0;--dark-gray: #666666;--text-gray: #333333;--white: #FFFFFF;--border-color: #CCCCCC;--shadow: rgba(0, 0, 0, .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text-gray);background-color:var(--light-gray);line-height:1.6}button{font-family:inherit;cursor:pointer;border:none;border-radius:4px;padding:12px 24px;font-size:16px;font-weight:500;transition:all .3s ease}.btn-primary{background-color:var(--primary-blue);color:var(--white)}.btn-primary:hover{background-color:var(--dark-blue)}.btn-secondary{background-color:var(--medium-gray);color:var(--text-gray)}.btn-secondary:hover{background-color:var(--dark-gray);color:var(--white)}input[type=text],input[type=email],input[type=tel],input[type=number]{font-family:inherit;padding:10px 12px;border:1px solid var(--border-color);border-radius:4px;font-size:16px;width:100%;transition:border-color .3s ease}input:focus{outline:none;border-color:var(--primary-blue)}.modal-overlay{position:fixed;inset:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background-color:var(--white);border-radius:8px;padding:24px;max-width:600px;width:90%;max-height:90vh;overflow-y:auto;box-shadow:0 4px 6px var(--shadow)}.modal-header{margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--medium-gray)}.modal-header h2{color:var(--dark-blue);font-size:24px;margin-bottom:8px}.modal-body{margin-bottom:20px}.modal-footer{display:flex;justify-content:flex-end;gap:12px;padding-top:16px;border-top:1px solid var(--medium-gray)}.popup-rich-text{line-height:1.5}.popup-text-highlight{display:inline;padding:0;border-radius:0;background:linear-gradient(transparent 72%,color-mix(in srgb,var(--primary-color, #2563eb) 10%,white) 72%);color:inherit;font-weight:600}.container{max-width:1200px;margin:0 auto;padding:20px}.card{background-color:var(--white);border-radius:8px;padding:24px;box-shadow:0 2px 4px var(--shadow);margin-bottom:20px}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-weight:500;color:var(--text-gray)}.checkbox-group{margin-bottom:16px;padding:12px;background-color:var(--light-gray);border-radius:4px}.checkbox-group label{display:flex;align-items:center;gap:8px;cursor:pointer;font-weight:400}.checkbox-group input[type=checkbox]{width:auto;cursor:pointer}.checkbox-group input[type=number]{width:80px;margin-left:12px}.impact-output{font-size:20px;font-weight:600;color:var(--primary-blue);margin-top:16px;padding:12px;background-color:var(--light-blue);border-radius:4px;text-align:center}.link-button{color:var(--primary-blue);text-decoration:underline;cursor:pointer;background:none;border:none;padding:0;font-size:inherit}.link-button:hover{color:var(--dark-blue)}