:root{--primary-color:#930606;--primary-light:#9306061a;--primary-dark:#7a0505;--background-light:#f0f0f0;--background-dark:#221010;--primary-lighter:#dbeafe;--secondary-color:#059669;--secondary-light:#10b981;--secondary-lighter:#d1fae5;--accent-color:#f59e0b;--accent-light:#fbbf24;--accent-lighter:#fef3c7;--white:#fff;--black:#000;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;--gray-400:#9ca3af;--gray-500:#6b7280;--gray-600:#4b5563;--gray-700:#374151;--gray-800:#1f2937;--gray-900:#111827;--success:#10b981;--warning:#f59e0b;--error:#ef4444;--info:#3b82f6;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a;--shadow-xl:0 20px 25px -5px #0000001a;--shadow-2xl:0 25px 50px -12px #00000040;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-2xl:24px;--transition-fast:.15s cubic-bezier(.4,0,.2,1);--transition-normal:.3s cubic-bezier(.4,0,.2,1);--transition-slow:.5s cubic-bezier(.4,0,.2,1)}*{box-sizing:border-box;margin:0;padding:0}.nirmaan-construction-calculator{color:var(--gray-800);background:linear-gradient(135deg,#f8fafc 0%,#f1f5f9 100%);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 20px}.nirmaan-header{background:linear-gradient(135deg,var(--primary-color)0%,var(--primary-light)100%);color:var(--white);padding:20px 0;position:relative;overflow:hidden}.nirmaan-header:before{content:"";background:radial-gradient(circle,#ffffff1a 0%,#0000 70%);border-radius:50%;width:300px;height:300px;position:absolute;top:0;right:0}.header-content{z-index:1;justify-content:space-between;align-items:center;display:flex;position:relative}.logo-container{align-items:center;gap:12px;display:flex}.logo{background:var(--white);width:48px;height:48px;color:var(--primary-color);box-shadow:var(--shadow-lg);border-radius:50%;justify-content:center;align-items:center;font-size:24px;font-weight:800;display:flex}.logo-text{flex-direction:column;display:flex}.company-name{font-size:24px;font-weight:800;line-height:1.2}.company-tagline{opacity:.9;font-size:14px;font-weight:500}.contact-info{text-align:right;flex-direction:column;gap:4px;display:flex}.contact-number{align-items:center;gap:8px;font-size:18px;font-weight:700;display:flex}.contact-email{opacity:.9;font-size:14px}.hero-section{background:linear-gradient(135deg,var(--gray-50)0%,var(--gray-100)100%);padding:60px 0;position:relative;overflow:hidden}.hero-section:before{content:"";background:linear-gradient(90deg,transparent,var(--primary-color),transparent);height:2px;position:absolute;bottom:0;left:0;right:0}.hero-content{text-align:center;z-index:1;max-width:800px;margin:0 auto;position:relative}.hero-title{color:var(--gray-900);margin-bottom:16px;font-size:3rem;font-weight:800;line-height:1.2}.hero-subtitle{color:var(--gray-600);margin-bottom:32px;font-size:1.25rem;line-height:1.6}.hero-highlight{background:linear-gradient(135deg,var(--accent-color)0%,var(--accent-light)100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.calculator-grid{grid-template-columns:1fr 1fr;gap:40px;margin:60px 0;display:grid}@media (max-width:992px){.calculator-grid{grid-template-columns:1fr;gap:32px}}.calculator-inputs{background:var(--white);border-radius:var(--radius-2xl);box-shadow:var(--shadow-xl);border:1px solid var(--gray-200);padding:40px;position:sticky;top:20px}.section-title{color:var(--gray-900);align-items:center;gap:12px;margin-bottom:32px;font-size:1.75rem;font-weight:700;display:flex}.section-title:before{content:"";background:var(--primary-color);border-radius:2px;width:4px;height:24px}.input-group{margin-bottom:28px}.input-label{color:var(--gray-700);justify-content:space-between;align-items:center;margin-bottom:12px;font-size:15px;font-weight:600;display:flex}.input-label span{color:var(--gray-500);font-size:14px;font-weight:400}.input-with-icon{position:relative}.input-icon{color:var(--gray-500);font-size:18px;position:absolute;top:50%;left:16px;transform:translateY(-50%)}.unit-badge{background:var(--gray-100);border-radius:var(--radius-md);color:var(--gray-700);border:1px solid var(--gray-200);padding:6px 12px;font-size:14px;font-weight:600;position:absolute;top:50%;right:16px;transform:translateY(-50%)}.construction-input{border:2px solid var(--gray-300);border-radius:var(--radius-lg);width:100%;color:var(--gray-900);background:var(--white);transition:all var(--transition-normal);padding:16px 48px;font-family:inherit;font-size:16px;font-weight:600}.construction-input:focus{border-color:var(--primary-color);box-shadow:0 0 0 4px var(--primary-lighter);outline:none}.construction-input.sqft{padding-right:100px}.construction-types{grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:32px;display:grid}.construction-type{border:2px solid var(--gray-300);border-radius:var(--radius-xl);background:var(--white);cursor:pointer;transition:all var(--transition-normal);text-align:center;padding:24px;position:relative;overflow:hidden}.construction-type:hover{border-color:var(--primary-color);box-shadow:var(--shadow-lg);transform:translateY(-2px)}.construction-type.active{border-color:var(--primary-color);background:var(--primary-lighter);box-shadow:var(--shadow-lg)}.construction-type.active:before{content:"";background:var(--primary-color);width:6px;height:100%;position:absolute;top:0;left:0}.type-icon{color:var(--primary-color);margin-bottom:12px;font-size:32px}.type-name{color:var(--gray-900);margin-bottom:8px;font-size:16px;font-weight:700}.type-price{color:var(--gray-600);font-size:14px;font-weight:500}.quality-options{gap:12px;margin-bottom:32px;display:flex}.quality-option{border:2px solid var(--gray-300);border-radius:var(--radius-lg);background:var(--white);cursor:pointer;transition:all var(--transition-normal);text-align:center;flex:1;padding:16px}.quality-option:hover{border-color:var(--primary-color);transform:translateY(-2px)}.quality-option.active{border-color:var(--primary-color);background:var(--primary-lighter);color:var(--primary-color);font-weight:600}.range-group{margin-bottom:32px}.range-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.range-label{color:var(--gray-700);font-size:15px;font-weight:600}.range-value{color:var(--primary-color);background:var(--primary-lighter);border-radius:var(--radius-md);padding:4px 12px;font-size:18px;font-weight:700}.range-slider{appearance:none;background:var(--gray-300);width:100%;height:8px;transition:background var(--transition-normal);border-radius:4px;outline:none;margin:16px 0}.range-slider::-webkit-slider-thumb{appearance:none;background:var(--white);cursor:pointer;border:4px solid var(--primary-color);width:28px;height:28px;box-shadow:var(--shadow-lg);transition:all var(--transition-normal);border-radius:50%}.range-slider::-webkit-slider-thumb:hover{box-shadow:var(--shadow-xl);transform:scale(1.15)}.range-labels{color:var(--gray-500);justify-content:space-between;font-size:13px;font-weight:500;display:flex}.calculate-btn{background:linear-gradient(135deg,var(--primary-color)0%,var(--primary-light)100%);width:100%;color:var(--white);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-normal);border:none;justify-content:center;align-items:center;gap:12px;padding:20px;font-size:18px;font-weight:700;display:flex;position:relative;overflow:hidden}.calculate-btn:hover{box-shadow:var(--shadow-xl);transform:translateY(-3px)}.calculate-btn:before{content:"";background:linear-gradient(90deg,#0000,#fff3,#0000);width:100%;height:100%;transition:left .6s;position:absolute;top:0;left:-100%}.calculate-btn:hover:before{left:100%}.calculator-results{flex-direction:column;gap:32px;display:flex}.result-card{background:linear-gradient(135deg,var(--white)0%,var(--gray-50)100%);border-radius:var(--radius-2xl);box-shadow:var(--shadow-xl);border:1px solid var(--gray-200);padding:40px;position:relative;overflow:hidden}.result-card:before{content:"";background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));height:6px;position:absolute;top:0;left:0;right:0}.result-header{text-align:center;margin-bottom:40px}.result-title{color:var(--gray-900);margin-bottom:12px;font-size:1.5rem;font-weight:700}.result-subtitle{color:var(--gray-600);font-size:14px;font-weight:500}.result-amount{color:var(--primary-color);text-align:center;justify-content:center;align-items:baseline;gap:4px;margin-bottom:40px;font-size:4rem;font-weight:800;animation:2s infinite pulse;display:flex}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.02)}}.currency{color:var(--gray-600);font-size:2.5rem;font-weight:700}.cost-breakdown{margin:32px 0}.breakdown-item{border-radius:var(--radius-lg);background:var(--gray-50);transition:all var(--transition-normal);justify-content:space-between;align-items:center;margin-bottom:12px;padding:20px;display:flex}.breakdown-item:hover{background:var(--gray-100);transform:translate(4px)}.breakdown-label{color:var(--gray-700);align-items:center;gap:12px;font-size:15px;font-weight:600;display:flex}.breakdown-icon{background:var(--white);width:32px;height:32px;color:var(--primary-color);border-radius:50%;justify-content:center;align-items:center;font-size:16px;display:flex}.breakdown-value{color:var(--gray-900);font-size:18px;font-weight:700}.materials-estimate{background:linear-gradient(135deg,var(--primary-lighter)0%,var(--white)100%);border-radius:var(--radius-xl);border:1px solid var(--primary-light);padding:32px}.materials-title{color:var(--primary-color);align-items:center;gap:12px;margin-bottom:24px;font-size:1.25rem;font-weight:700;display:flex}.materials-grid{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.material-item{background:var(--white);border-radius:var(--radius-lg);border:1px solid var(--gray-200);align-items:center;gap:12px;padding:12px;display:flex}.material-icon{background:var(--primary-lighter);width:40px;height:40px;color:var(--primary-color);border-radius:50%;justify-content:center;align-items:center;font-size:20px;display:flex}.material-info{flex:1}.material-name{color:var(--gray-700);font-size:14px;font-weight:600}.material-quantity{color:var(--gray-900);font-size:16px;font-weight:700}.timeline-estimate{border-top:1px solid var(--gray-200);margin-top:32px;padding-top:32px}.timeline-title{color:var(--gray-900);margin-bottom:24px;font-size:1.25rem;font-weight:700}.timeline-bar{background:var(--gray-200);border-radius:4px;height:8px;margin:32px 0;position:relative;overflow:hidden}.timeline-progress{background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));height:100%;transition:width var(--transition-slow);border-radius:4px;position:absolute;top:0;left:0}.timeline-milestones{justify-content:space-between;margin-top:-20px;display:flex;position:relative}.milestone{flex-direction:column;align-items:center;gap:8px;display:flex}.milestone-dot{border:4px solid var(--white);background:var(--gray-300);width:24px;height:24px;box-shadow:var(--shadow-md);transition:all var(--transition-normal);border-radius:50%}.milestone.active .milestone-dot{background:var(--primary-color);transform:scale(1.2)}.milestone-label{color:var(--gray-600);text-align:center;font-size:12px;font-weight:600}.milestone-date{color:var(--gray-500);font-size:11px;font-weight:500}.action-buttons{grid-template-columns:1fr 1fr;gap:20px;margin-top:32px;display:grid}.btn-primary,.btn-secondary{border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-normal);text-align:center;border:none;justify-content:center;align-items:center;gap:12px;padding:18px;font-size:16px;font-weight:600;display:flex}.btn-primary{background:linear-gradient(135deg,var(--primary-color)0%,var(--primary-light)100%);color:var(--white)}.btn-primary:hover{box-shadow:var(--shadow-xl);transform:translateY(-3px)}.btn-secondary{background:var(--white);color:var(--primary-color);border:2px solid var(--primary-color)}.btn-secondary:hover{background:var(--primary-lighter);box-shadow:var(--shadow-xl);transform:translateY(-3px)}.services-section{background:var(--gray-50);padding:80px 0}.services-title{color:var(--gray-900);text-align:center;margin-bottom:48px;font-size:2.5rem;font-weight:800}.services-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:32px;display:grid}.service-card{background:var(--white);border-radius:var(--radius-2xl);box-shadow:var(--shadow-lg);border:1px solid var(--gray-200);text-align:center;transition:all var(--transition-normal);padding:40px;position:relative;overflow:hidden}.service-card:hover{box-shadow:var(--shadow-xl);border-color:var(--primary-color);transform:translateY(-8px)}.service-icon{background:linear-gradient(135deg,var(--primary-lighter)0%,var(--white)100%);width:80px;height:80px;color:var(--primary-color);border:2px solid var(--primary-light);border-radius:50%;justify-content:center;align-items:center;margin:0 auto 24px;font-size:36px;display:flex}.service-name{color:var(--gray-900);margin-bottom:16px;font-size:1.5rem;font-weight:700}.service-description{color:var(--gray-600);margin-bottom:24px;font-size:15px;line-height:1.6}.service-features{text-align:left;list-style:none}.service-features li{border-bottom:1px solid var(--gray-200);color:var(--gray-700);align-items:center;gap:12px;padding:12px 0;font-size:14px;display:flex}.service-features li:before{content:"✓";color:var(--success);font-weight:700}.contact-cta{background:linear-gradient(135deg,var(--primary-color)0%,var(--primary-light)100%);color:var(--white);text-align:center;padding:80px 0;position:relative;overflow:hidden}.contact-cta:before{content:"";background:url("data:image/svg+xml,<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 1000 100\"><path fill=\"rgba(255,255,255,0.1)\" d=\"M0,50 Q250,0 500,50 T1000,50 V100 H0 Z\"/></svg>") 0 0/cover;position:absolute;inset:0}.cta-content{z-index:1;max-width:800px;margin:0 auto;position:relative}.cta-title{margin-bottom:16px;font-size:2.5rem;font-weight:800}.cta-subtitle{opacity:.9;margin-bottom:32px;font-size:1.25rem}.cta-button{background:var(--white);color:var(--primary-color);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-normal);border:none;align-items:center;gap:12px;padding:20px 40px;font-size:18px;font-weight:700;display:inline-flex}.cta-button:hover{box-shadow:var(--shadow-xl);transform:translateY(-3px)}.nirmaan-footer{background:var(--gray-900);color:var(--gray-300);padding:60px 0}.footer-content{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:40px;display:grid}.footer-column h3{color:var(--white);margin-bottom:24px;font-size:1.25rem;font-weight:700}.footer-column ul{list-style:none}.footer-column li{margin-bottom:12px}.footer-column a{color:var(--gray-400);transition:color var(--transition-normal);text-decoration:none}.footer-column a:hover{color:var(--white)}.copyright{text-align:center;border-top:1px solid var(--gray-800);color:var(--gray-500);margin-top:40px;padding-top:40px;font-size:14px}@media (max-width:768px){.hero-title{font-size:2.25rem}.result-amount{font-size:3rem}.construction-types,.materials-grid,.action-buttons{grid-template-columns:1fr}.services-title,.cta-title{font-size:2rem}}@media (max-width:480px){.header-content{text-align:center;flex-direction:column;gap:16px}.contact-info{text-align:center}.calculator-inputs,.result-card{padding:24px}.result-amount{font-size:2.5rem}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-in{animation:.6s ease-out fadeInUp}@media print{.nirmaan-construction-calculator{background:#fff}.calculator-inputs,.result-card{box-shadow:none;border:2px solid var(--gray-300)}.btn-primary,.btn-secondary,.calculate-btn{display:none}}