:root{--color-primary:#2C3E50;--color-secondary:#34495E;--color-accent-blue:#3498DB;--color-accent-copper:#E67E22;--color-accent-teal:#16A085;--color-success:#27AE60;--color-warning:#F39C12;--color-danger:#E74C3C;--color-background:#ECF0F1;--color-card:#FFFFFF;--color-text-primary:#2C3E50;--color-text-secondary:#7F8C8D;--font-family-base:'Inter','Segoe UI',system-ui,sans-serif;--font-family-mono:'Roboto Mono','Courier New',monospace;--shadow-sm:0 2px 8px rgba(0,0,0,0.06);--shadow-md:0 4px 16px rgba(0,0,0,0.08);--shadow-lg:0 8px 32px rgba(0,0,0,0.12);--shadow-xl:0 16px 48px rgba(0,0,0,0.15);--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--transition:all 0.3s cubic-bezier(0.16,1,0.3,1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family-base);background:linear-gradient(135deg,#ECF0F1 0%,#d5dce0 100%);color:var(--color-text-primary);line-height:1.6;padding:20px;min-height:100vh}.calculator-container{max-width:1280px;margin:0 auto}.header{text-align:center;margin-bottom:48px;animation:fadeInDown 0.6s ease-out}.header h1{font-size:48px;font-weight:700;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-accent-blue) 50%,var(--color-accent-teal) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:12px;letter-spacing:-1px}.header p{font-size:18px;color:var(--color-text-secondary);max-width:700px;margin:0 auto}.investment-section{background:linear-gradient(135deg,rgba(52,152,219,0.05) 0%,rgba(22,160,133,0.05) 100%);backdrop-filter:blur(10px);border:2px solid rgba(255,255,255,0.6);border-radius:var(--radius-xl);padding:40px;margin-bottom:40px;box-shadow:var(--shadow-lg);transition:var(--transition);animation:fadeIn 0.6s ease-out 0.2s both}.investment-section:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl)}.investment-section h2{font-size:24px;font-weight:600;margin-bottom:24px;color:var(--color-primary);display:flex;align-items:center;gap:12px}.roi-categories{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:24px;margin-bottom:48px}.roi-card{background:rgba(255,255,255,0.9);backdrop-filter:blur(10px);border:2px solid rgba(255,255,255,0.6);border-radius:var(--radius-lg);padding:32px;transition:var(--transition);box-shadow:var(--shadow-md);position:relative;overflow:hidden}.roi-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--card-color) 0%,transparent 100%)}.roi-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--card-color)}.roi-card.human{--card-color:#27AE60;animation:fadeIn 0.6s ease-out 0.3s both}.roi-card.legal{--card-color:#3498DB;animation:fadeIn 0.6s ease-out 0.4s both}.roi-card.economic{--card-color:#E67E22;animation:fadeIn 0.6s ease-out 0.5s both}.roi-card-header{display:flex;align-items:center;gap:16px;margin-bottom:24px;padding-bottom:16px;border-bottom:2px solid rgba(0,0,0,0.05)}.roi-icon{font-size:40px;line-height:1;filter:drop-shadow(0 2px 4px rgba(0,0,0,0.1))}.roi-card-title h3{font-size:22px;font-weight:700;margin-bottom:4px;color:var(--card-color)}.roi-card-title p{font-size:13px;color:var(--color-text-secondary);line-height:1.4}.form-group{margin-bottom:24px}.form-label{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;margin-bottom:10px;color:var(--color-text-primary)}.help-icon{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;background:var(--color-text-secondary);color:white;border-radius:50%;font-size:12px;cursor:help;position:relative;transition:var(--transition);font-weight:700}.help-icon:hover{background:var(--card-color);transform:scale(1.1)}.help-icon::after{content:attr(data-help);position:absolute;bottom:calc(100% + 12px);left:50%;transform:translateX(-50%) scale(0);background:rgba(0,0,0,0.95);color:white;padding:12px 16px;border-radius:var(--radius-sm);font-size:12px;white-space:normal;width:260px;text-align:left;z-index:1000;font-weight:400;line-height:1.5;opacity:0;transition:var(--transition);pointer-events:none;box-shadow:var(--shadow-lg)}.help-icon:hover::after{transform:translateX(-50%) scale(1);opacity:1}.form-input{width:100%;padding:14px 16px;border:2px solid rgba(0,0,0,0.1);border-radius:var(--radius-sm);font-size:16px;font-family:var(--font-family-mono);font-weight:500;transition:var(--transition);background:white;color:var(--color-text-primary)}.form-input:focus{outline:none;border-color:var(--card-color);box-shadow:0 0 0 4px rgba(var(--card-color-rgb),0.1);transform:translateY(-1px)}.roi-card.human .form-input:focus{--card-color-rgb:39,174,96}.roi-card.legal .form-input:focus{--card-color-rgb:52,152,219}.roi-card.economic .form-input:focus{--card-color-rgb:230,126,34}.slider-container{position:relative;padding-top:8px}.slider{width:100%;height:8px;border-radius:4px;background:linear-gradient(90deg,rgba(0,0,0,0.05) 0%,rgba(0,0,0,0.1) 100%);outline:none;-webkit-appearance:none;cursor:pointer}.slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:24px;height:24px;border-radius:50%;background:var(--card-color);cursor:pointer;border:4px solid white;box-shadow:var(--shadow-md);transition:var(--transition)}.slider::-webkit-slider-thumb:hover{transform:scale(1.2);box-shadow:var(--shadow-lg)}.slider::-moz-range-thumb{width:24px;height:24px;border-radius:50%;background:var(--card-color);cursor:pointer;border:4px solid white;box-shadow:var(--shadow-md)}.slider-value{display:inline-block;margin-top:8px;font-size:18px;font-weight:700;font-family:var(--font-family-mono);color:var(--card-color)}.cta-button-container{text-align:center;margin:48px 0;animation:fadeIn 0.6s ease-out 0.6s 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infinite}@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.1)}}.payback-title{font-size:20px;font-weight:600;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:2px;margin-bottom:20px}.payback-value{font-size:80px;font-weight:700;font-family:var(--font-family-mono);line-height:1;margin-bottom:16px;background:linear-gradient(135deg,var(--color-success) 0%,var(--color-accent-teal) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;filter:drop-shadow(0 2px 8px rgba(39,174,96,0.2))}.payback-subtitle{font-size:18px;color:var(--color-success);font-weight:600;font-style:italic}.secondary-metric{text-align:center}.secondary-label{font-size:14px;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:1px;margin-bottom:12px;font-weight:600}.secondary-value{font-size:36px;font-weight:700;font-family:var(--font-family-mono);color:var(--color-primary)}.category-breakdown{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;margin-bottom:32px}.breakdown-card{background:rgba(255,255,255,0.9);backdrop-filter:blur(10px);border:2px solid rgba(255,255,255,0.6);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-md);position:relative;overflow:hidden;transition:var(--transition)}.breakdown-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--card-color)}.breakdown-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.breakdown-card.human{--card-color:#27AE60;animation:fadeIn 0.4s ease-out 0.1s both}.breakdown-card.legal{--card-color:#3498DB;animation:fadeIn 0.4s ease-out 0.2s both}.breakdown-card.economic{--card-color:#E67E22;animation:fadeIn 0.4s ease-out 0.3s both}.breakdown-header{display:flex;align-items:center;gap:12px;margin-bottom:16px}.breakdown-icon{font-size:32px}.breakdown-title{font-size:16px;font-weight:700;color:var(--card-color);text-transform:uppercase;letter-spacing:0.5px}.breakdown-value{font-size:36px;font-weight:700;font-family:var(--font-family-mono);color:var(--card-color);margin-bottom:12px}.breakdown-bar{height:8px;background:rgba(0,0,0,0.05);border-radius:4px;overflow:hidden}.breakdown-bar-fill{height:100%;background:var(--card-color);border-radius:4px;transition:width 0.8s cubic-bezier(0.16,1,0.3,1);width:0}.three-year-projection{background:linear-gradient(135deg,rgba(255,255,255,0.95) 0%,rgba(255,255,255,0.85) 100%);backdrop-filter:blur(10px);border:2px solid rgba(255,255,255,0.6);border-radius:var(--radius-xl);padding:40px;margin-bottom:32px;box-shadow:var(--shadow-lg);animation:fadeIn 0.6s ease-out 0.4s both}.three-year-projection h3{font-size:24px;font-weight:700;margin-bottom:32px;text-align:center;color:var(--color-primary)}.year-timeline{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px}.year-item{background:white;border-radius:var(--radius-md);padding:28px;text-align:center;box-shadow:var(--shadow-sm);border:2px solid rgba(0,0,0,0.05);transition:var(--transition);position:relative}.year-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--color-success)}.year-item::after{content:'';position:absolute;top:-2px;left:-2px;right:-2px;bottom:-2px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--color-success) 0%,var(--color-accent-teal) 100%);opacity:0;z-index:-1;transition:var(--transition)}.year-item:hover::after{opacity:0.1}.year-label{font-size:14px;font-weight:600;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:1px;margin-bottom:12px}.year-value{font-size:40px;font-weight:700;font-family:var(--font-family-mono);margin-bottom:12px;color:var(--color-success)}.year-value.negative{color:#E67E22}.year-bar{height:12px;background:rgba(0,0,0,0.05);border-radius:6px;overflow:hidden;margin-bottom:8px}.year-bar-fill{height:100%;background:var(--color-success);border-radius:6px;transition:width 1s cubic-bezier(0.16,1,0.3,1);width:0}.year-bar-fill.negative{background:#E67E22}.year-note{font-size:12px;color:var(--color-text-secondary);font-style:italic}.results-summary{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-accent-blue) 100%);color:white;border-radius:var(--radius-xl);padding:40px;text-align:center;box-shadow:var(--shadow-xl);animation:fadeIn 0.6s ease-out 0.5s both}.results-summary h3{font-size:20px;font-weight:600;margin-bottom:16px;opacity:0.95}.summary-value{font-size:52px;font-weight:700;font-family:var(--font-family-mono);margin-bottom:8px}.summary-subtitle{font-size:14px;opacity:0.9}.footer{text-align:center;margin-top:48px;padding:24px;font-size:12px;color:var(--color-text-secondary);line-height:1.6}@keyframes fadeIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInDown{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width:768px){.header h1{font-size:32px}.header p{font-size:16px}.investment-section,.results-hero,.three-year-projection{padding:28px 20px}.roi-card{padding:24px}.roi-categories{grid-template-columns:1fr}.payback-value{font-size:56px}.payback-icon{font-size:48px}.payback-title{font-size:16px}.secondary-value{font-size:28px}.breakdown-value{font-size:28px}.year-value{font-size:32px}.summary-value{font-size:40px}.cta-button{padding:18px 40px;font-size:18px}}.lite-calculator-section{padding:60px 0;max-width:980px;margin:0 auto}.lite-calculator-section .header{margin-bottom:30px}.lite-calculator-section .header h2{font-size:38px;color:#2C3E50}.lite-calculator-section .header p{font-size:18px;color:#7F8C8D;max-width:700px;margin:10px auto 0}.lite-calculator-section .roi-lite-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;align-items:flex-end}.lite-calculator-section .form-group{margin-bottom:0}.lite-calculator-section .form-label{font-size:13px}.lite-calculator-section #calculateLiteBtn{width:100%;padding:14px;font-size:16px}.lite-calculator-section #lite-results{text-align:center;margin-top:40px;display:none;background:#fff;padding:40px;border-radius:12px;box-shadow:0 8px 32px rgba(0,0,0,0.1)}.lite-calculator-section #lite-results .results-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px;align-items:center}.lite-calculator-section #lite-results .secondary-label{font-size:16px}.lite-calculator-section #lite-savings-value{font-size:44px;color:#27AE60}.lite-calculator-section #lite-payback-value{font-size:44px;color:#3498DB}.lite-calculator-section #lite-results .results-summary-text{margin:30px 0 25px;color:#7F8C8D}.lite-calculator-section #lite-results .cta-button{padding:16px 32px;font-size:18px;background:linear-gradient(135deg,#2C3E50 0%,#3498DB 100%)}