:root{--primary-color:#ff4b4b;--primary-hover:#f33;--text-color:#333;--text-light:#666;--background-color:#fff;--background-light:#f9f9f9;--border-color:#ddd;--shadow-color:rgba(0,0,0,.1);--transition-speed:0.2s;--border-radius:8px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.6;color:var(--text-color);background-color:var(--background-light)}.container{padding:0 1rem}.hero{text-align:center;padding:4rem 0;max-width:800px;margin:0 auto}.hero h1{font-size:2.5rem;margin-bottom:1rem;color:var(--text-color)}.hero-subtitle{font-size:1.25rem;color:var(--text-light);margin-bottom:1.5rem}.hero-description{color:var(--text-light);margin-bottom:2rem}.navbar{background:var(--background-color);box-shadow:0 2px 4px var(--shadow-color);padding:1rem 0;position:-webkit-sticky;position:sticky;top:0;z-index:100}.navbar-content{display:flex;align-items:center;justify-content:space-between}.logo-container{display:flex;align-items:center;gap:.5rem;text-decoration:none}.logo-text{font-size:1.5rem;font-weight:700;color:var(--primary-color)}.nav-links{display:flex;gap:2rem;align-items:center}.nav-links a{color:var(--text-color);text-decoration:none;transition:color var(--transition-speed)}.nav-links a:hover{color:var(--primary-color)}.dropdown{display:inline-block}.dropdown span{cursor:pointer;color:var(--text-color)}.dropdown-content{display:none;position:absolute;background-color:var(--background-color);min-width:240px;box-shadow:0 8px 16px var(--shadow-color);border-radius:var(--border-radius);z-index:1;top:100%;padding:.5rem 0}.dropdown:hover .dropdown-content{display:block}.dropdown-content a{color:var(--text-color);padding:.75rem 1rem;text-decoration:none;display:block;transition:background-color var(--transition-speed)}.dropdown-content a:hover{background-color:var(--background-light)}.button{display:inline-block;padding:.75rem 1.5rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:var(--border-radius);cursor:pointer;text-decoration:none;font-weight:500;transition:background-color var(--transition-speed)}.button:hover{background-color:var(--primary-hover)}.button-secondary{background-color:transparent;border:2px solid var(--primary-color);color:var(--primary-color)}.button-secondary:hover{background-color:var(--primary-color);color:#fff}.cta-buttons{gap:1rem;margin-top:2rem}.calculator-container{max-width:1000px;margin:2rem auto;padding:2rem;background:var(--background-color);border-radius:var(--border-radius);box-shadow:0 2px 8px var(--shadow-color)}.calculator-container h1{margin-bottom:2rem;font-size:2rem;color:var(--text-color)}.calculator-layout{display:grid;grid-template-columns:1fr 300px;grid-gap:2rem;gap:2rem}.calculator-main{padding-right:2rem;border-right:1px solid var(--border-color)}.calculator-form{gap:1.5rem;margin-bottom:2rem}.calculator-form,.form-group{display:flex;flex-direction:column}.form-group{gap:.5rem}.form-group label{font-weight:500;color:var(--text-color)}.form-group input{padding:.75rem;border:1px solid var(--border-color);border-radius:var(--border-radius);font-size:1rem;transition:border-color var(--transition-speed)}.form-group input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px rgba(255,75,75,.1)}.result{margin-top:2rem;border-radius:var(--border-radius);text-align:center;font-weight:500;font-size:1.1rem;color:var(--text-color);border:1px solid var(--border-color)}.calculator-info,.result{padding:1.5rem;background:var(--background-light)}.calculator-info{border-radius:var(--border-radius)}.calculator-info h2{font-size:1.25rem;margin-bottom:1rem}.calculator-info p{color:var(--text-light);margin-bottom:1rem}.calculator-info ul{list-style:none;margin-bottom:1.5rem}.calculator-info ul li{margin-bottom:.5rem;padding-left:1.5rem;position:relative}.calculator-info ul li:before{content:"•";color:var(--primary-color);position:absolute;left:0}.features{padding:4rem 0}.features h2{text-align:center;margin-bottom:3rem}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));grid-gap:2rem;gap:2rem}.feature{text-align:center;padding:2rem;background:var(--background-color);border-radius:var(--border-radius);box-shadow:0 2px 8px var(--shadow-color)}.feature h3{margin-bottom:1rem}.calculators-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));grid-gap:2rem;gap:2rem;margin:3rem 0}.calculator-card{background:var(--background-color);padding:2rem;border-radius:var(--border-radius);box-shadow:0 2px 8px var(--shadow-color);display:flex;flex-direction:column;gap:1rem}.calculator-card-icon{margin-bottom:1rem}.calculator-card h2{font-size:1.5rem;margin-bottom:.5rem}.calculator-benefits{list-style:none;margin:1rem 0}.calculator-benefits li{margin-bottom:.5rem;padding-left:1.5rem;position:relative}.calculator-benefits li:before{content:"•";color:var(--primary-color);position:absolute;left:0}.content-section{max-width:800px;margin:2rem auto;padding:2rem;background:var(--background-color);border-radius:var(--border-radius);box-shadow:0 2px 8px var(--shadow-color)}.content-section h1{margin-bottom:2rem}.content-section h2{margin:2rem 0 1rem}.content-section ul{margin-left:1.5rem;margin-bottom:1.5rem}.cta-section{text-align:center;padding:4rem 0;background:var(--background-color);border-radius:var(--border-radius);margin:3rem 0}@media (max-width:768px){.navbar-content{flex-direction:column;gap:1rem}.nav-links{flex-direction:column;width:100%;text-align:center}.dropdown-content{position:static;transform:none;box-shadow:none;width:100%}.calculator-layout{grid-template-columns:1fr}.calculator-main{padding-right:0;border-right:none;border-bottom:1px solid var(--border-color);padding-bottom:2rem}.cta-buttons{flex-direction:column}.hero h1{font-size:2rem}}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-sm)}main{padding:var(--spacing-md) 0}.calculator-card .button{margin-top:auto}.dropdown{position:relative}.dropdown-content{left:50%;transform:translateX(-50%)}.cta-buttons{display:flex;gap:var(--spacing-sm);justify-content:center;margin-top:var(--spacing-md)}.cta-buttons .button{min-width:200px}.calculator-form{margin-bottom:var(--spacing-lg)}.result{margin-top:var(--spacing-md)}