:root{--primary-color:#0066cc;--primary-hover:#0052a3;--secondary-color:#6c757d;--success-color:#28a745;--warning-color:#ffc107;--danger-color:#dc3545;--info-color:#17a2b8;--text-primary:#333333;--text-secondary:#6c757d;--text-muted:#8e8e93;--text-light:#ffffff;--bg-primary:#ffffff;--bg-secondary:#f8f9fa;--bg-light:#f5f5f7;--bg-dark:#2c3e50;--border-color:#dee2e6;--border-light:#e9ecef;--border-radius:8px;--border-radius-sm:4px;--border-radius-lg:12px;--border-radius-xl:16px;--shadow-sm:0 2px 4px rgba(0,0,0,0.06);--shadow-base:0 4px 12px rgba(0,0,0,0.1);--shadow-lg:0 8px 32px rgba(0,0,0,0.12);--shadow-xl:0 20px 60px rgba(0,0,0,0.15);--navbar-height:76px;--container-max-width:1200px;--transition-base:all 0.3s ease;--transition-fast:all 0.15s ease;--transition-slow:all 0.6s ease;--font-family-base:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;--font-family-mono:'SF Mono',Monaco,'Cascadia Code','Roboto Mono',Consolas,monospace;--z-dropdown:1000;--z-sticky:1020;--z-fixed:1030;--z-modal-backdrop:1040;--z-modal:1050;--z-popover:1060;--z-tooltip:1070}*{box-sizing:border-box}*::before,*::after{box-sizing:border-box}html{font-family:var(--font-family-base);line-height:1.15;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:rgba(0,0,0,0);scroll-behavior:smooth}body{margin:0;font-family:var(--font-family-base);font-size:1rem;font-weight:400;line-height:1.6;color:var(--text-primary);background-color:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{width:100%;max-width:var(--container-max-width);margin-left:auto;margin-right:auto;padding-left:1rem;padding-right:1rem}.section-padding{padding:5rem 0}.section-padding-sm{padding:3rem 0}.section-padding-lg{padding:7rem 0}.min-vh-100{min-height:100vh}.w-auto{width:auto!important}.h-auto{height:auto!important}.navbar{background:#2c3e50!important;box-shadow:0 4px 20px rgba(0,0,0,0.1)!important;padding:0.75rem 0!important;border-bottom:none!important;backdrop-filter:blur(15px)!important;transition:var(--transition-base)!important;z-index:var(--z-fixed)!important;height:var(--navbar-height)!important}.navbar-brand{font-size:1.5rem!important;font-weight:700!important;color:var(--text-light)!important;text-decoration:none!important;display:flex!important;align-items:center!important;transition:var(--transition-base)!important}.navbar-brand:hover{color:var(--text-light)!important;opacity:0.9!important;transform:translateY(-1px)!important}.navbar-brand i{font-size:1.25em!important;color:#3498db!important;margin-right:0.75rem!important;transition:var(--transition-base)!important}.navbar-brand:hover i{color:#5dade2!important;transform:scale(1.1)!important}.navbar-nav .nav-link{font-weight:500!important;padding:0.5rem 1rem!important;border-radius:var(--border-radius)!important;transition:var(--transition-base)!important;color:rgba(255,255,255,0.9)!important;position:relative!important;margin:0 0.25rem!important;display:flex!important;align-items:center!important}.navbar-nav .nav-link:hover{background-color:rgba(255,255,255,0.15)!important;color:var(--text-light)!important;transform:translateY(-2px)!important;box-shadow:0 6px 15px rgba(255,255,255,0.1)!important}.navbar-nav .nav-link.active{background-color:#3498db!important;color:var(--text-light)!important;font-weight:600!important;box-shadow:0 4px 15px rgba(52,152,219,0.4)!important}.navbar-nav .nav-link.active::after{content:'';position:absolute;bottom:-0.75rem;left:50%;transform:translateX(-50%);width:20px;height:2px;background-color:var(--text-light);border-radius:1px}.navbar-nav .nav-link i{margin-right:0.5rem!important;font-size:1rem!important;transition:transform 0.3s ease!important}.navbar-nav .nav-link:hover i{transform:scale(1.1)!important}.navbar-toggler{border:none!important;padding:0.5rem!important;background:rgba(255,255,255,0.1)!important;border-radius:var(--border-radius)!important;transition:var(--transition-base)!important}.navbar-toggler:hover{background:rgba(255,255,255,0.2)!important;transform:scale(1.05)!important}.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(52,152,219,0.4)!important;outline:none!important}.navbar-toggler-icon{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e")!important;transition:var(--transition-base)!important}h1,h2,h3,h4,h5,h6{font-family:var(--font-family-base);font-weight:600;line-height:1.3;color:var(--text-primary);margin-bottom:1rem}h1{font-size:2.5rem;font-weight:700}h2{font-size:2rem;font-weight:600}h3{font-size:1.75rem}h4{font-size:1.5rem}h5{font-size:1.25rem}h6{font-size:1rem;font-weight:600}p{margin-bottom:1rem;line-height:1.7}a{color:var(--primary-color);text-decoration:none;transition:var(--transition-base)}a:hover{color:var(--primary-hover);text-decoration:underline}.btn{display:inline-block;font-weight:500;line-height:1.5;color:var(--text-primary);text-align:center;text-decoration:none;vertical-align:middle;cursor:pointer;user-select:none;background-color:transparent;border:1px solid transparent;padding:0.75rem 1.5rem;font-size:1rem;border-radius:var(--border-radius);transition:var(--transition-base);box-shadow:none}.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-base)}.btn:focus{outline:0;box-shadow:0 0 0 3px rgba(0,102,204,0.25)}.btn:active{transform:translateY(-1px);box-shadow:var(--shadow-sm)}.btn-primary{color:var(--text-light);background-color:var(--primary-color);border-color:var(--primary-color)}.btn-primary:hover{background-color:var(--primary-hover);border-color:var(--primary-hover);color:var(--text-light)}.btn-secondary{color:var(--text-light);background-color:var(--secondary-color);border-color:var(--secondary-color)}.btn-success{color:var(--text-light);background-color:var(--success-color);border-color:var(--success-color)}.btn-warning{color:var(--text-primary);background-color:var(--warning-color);border-color:var(--warning-color)}.btn-danger{color:var(--text-light);background-color:var(--danger-color);border-color:var(--danger-color)}.btn-outline-primary{color:var(--primary-color);border-color:var(--primary-color)}.btn-outline-primary:hover{color:var(--text-light);background-color:var(--primary-color);border-color:var(--primary-color)}.btn-lg{padding:1rem 2rem;font-size:1.25rem;border-radius:var(--border-radius-lg)}.btn-sm{padding:0.5rem 1rem;font-size:0.875rem;border-radius:var(--border-radius-sm)}.form-control{display:block;width:100%;padding:0.75rem 1rem;font-size:1rem;font-weight:400;line-height:1.5;color:var(--text-primary);background-color:var(--bg-primary);background-clip:padding-box;border:1px solid var(--border-color);appearance:none;border-radius:var(--border-radius);transition:var(--transition-base)}.form-control:focus{color:var(--text-primary);background-color:var(--bg-primary);border-color:var(--primary-color);outline:0;box-shadow:0 0 0 3px rgba(0,102,204,0.25)}.form-control::placeholder{color:var(--text-muted);opacity:1}.form-label{margin-bottom:0.5rem;font-weight:500;color:var(--text-primary)}.form-select{display:block;width:100%;padding:0.75rem 3rem 0.75rem 1rem;font-size:1rem;font-weight:400;line-height:1.5;color:var(--text-primary);background-color:var(--bg-primary);background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23333' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 1rem center;background-size:16px 12px;border:1px solid var(--border-color);border-radius:var(--border-radius);transition:var(--transition-base);appearance:none}.form-select:focus{border-color:var(--primary-color);outline:0;box-shadow:0 0 0 3px rgba(0,102,204,0.25)}.card{position:relative;display:flex;flex-direction:column;min-width:0;word-wrap:break-word;background-color:var(--bg-primary);background-clip:border-box;border:1px solid var(--border-color);border-radius:var(--border-radius);box-shadow:var(--shadow-sm);transition:var(--transition-base)}.card:hover{box-shadow:var(--shadow-base);transform:translateY(-2px)}.card-body{flex:1 1 auto;padding:1.5rem}.card-title{margin-bottom:0.75rem;font-size:1.25rem;font-weight:600}.card-text{margin-bottom:1rem;color:var(--text-secondary)}.card-header{padding:1rem 1.5rem;margin-bottom:0;background-color:var(--bg-light);border-bottom:1px solid var(--border-color);border-top-left-radius:var(--border-radius);border-top-right-radius:var(--border-radius)}.card-footer{padding:1rem 1.5rem;background-color:var(--bg-light);border-top:1px solid var(--border-color);border-bottom-left-radius:var(--border-radius);border-bottom-right-radius:var(--border-radius)}.text-center{text-align:center!important}.text-start{text-align:start!important}.text-end{text-align:end!important}.text-left{text-align:left!important}.text-right{text-align:right!important}.text-primary{color:var(--primary-color)!important}.text-secondary{color:var(--text-secondary)!important}.text-muted{color:var(--text-muted)!important}.text-light{color:var(--text-light)!important}.text-dark{color:var(--text-primary)!important}.text-success{color:var(--success-color)!important}.text-warning{color:var(--warning-color)!important}.text-danger{color:var(--danger-color)!important}.text-info{color:var(--info-color)!important}.bg-primary{background-color:var(--primary-color)!important}.bg-secondary{background-color:var(--bg-secondary)!important}.bg-light{background-color:var(--bg-light)!important}.bg-dark{background-color:var(--bg-dark)!important}.bg-success{background-color:var(--success-color)!important}.bg-warning{background-color:var(--warning-color)!important}.bg-danger{background-color:var(--danger-color)!important}.bg-info{background-color:var(--info-color)!important}.d-none{display:none!important}.d-inline{display:inline!important}.d-inline-block{display:inline-block!important}.d-block{display:block!important}.d-flex{display:flex!important}.d-grid{display:grid!important}.flex-row{flex-direction:row!important}.flex-column{flex-direction:column!important}.flex-wrap{flex-wrap:wrap!important}.flex-nowrap{flex-wrap:nowrap!important}.justify-content-start{justify-content:flex-start!important}.justify-content-end{justify-content:flex-end!important}.justify-content-center{justify-content:center!important}.justify-content-between{justify-content:space-between!important}.justify-content-around{justify-content:space-around!important}.justify-content-evenly{justify-content:space-evenly!important}.align-items-start{align-items:flex-start!important}.align-items-end{align-items:flex-end!important}.align-items-center{align-items:center!important}.align-items-baseline{align-items:baseline!important}.align-items-stretch{align-items:stretch!important}.fs-1{font-size:2.5rem!important}.fs-2{font-size:2rem!important}.fs-3{font-size:1.75rem!important}.fs-4{font-size:1.5rem!important}.fs-5{font-size:1.25rem!important}.fs-6{font-size:1rem!important}.fw-light{font-weight:300!important}.fw-normal{font-weight:400!important}.fw-medium{font-weight:500!important}.fw-semibold{font-weight:600!important}.fw-bold{font-weight:700!important}.m-0{margin:0!important}.m-1{margin:0.25rem!important}.m-2{margin:0.5rem!important}.m-3{margin:1rem!important}.m-4{margin:1.5rem!important}.m-5{margin:3rem!important}.mt-0{margin-top:0!important}.mt-1{margin-top:0.25rem!important}.mt-2{margin-top:0.5rem!important}.mt-3{margin-top:1rem!important}.mt-4{margin-top:1.5rem!important}.mt-5{margin-top:3rem!important}.mb-0{margin-bottom:0!important}.mb-1{margin-bottom:0.25rem!important}.mb-2{margin-bottom:0.5rem!important}.mb-3{margin-bottom:1rem!important}.mb-4{margin-bottom:1.5rem!important}.mb-5{margin-bottom:3rem!important}.ms-0{margin-left:0!important}.ms-1{margin-left:0.25rem!important}.ms-2{margin-left:0.5rem!important}.ms-3{margin-left:1rem!important}.ms-auto{margin-left:auto!important}.me-0{margin-right:0!important}.me-1{margin-right:0.25rem!important}.me-2{margin-right:0.5rem!important}.me-3{margin-right:1rem!important}.me-auto{margin-right:auto!important}.p-0{padding:0!important}.p-1{padding:0.25rem!important}.p-2{padding:0.5rem!important}.p-3{padding:1rem!important}.p-4{padding:1.5rem!important}.p-5{padding:3rem!important}.pt-0{padding-top:0!important}.pt-1{padding-top:0.25rem!important}.pt-2{padding-top:0.5rem!important}.pt-3{padding-top:1rem!important}.pt-4{padding-top:1.5rem!important}.pt-5{padding-top:3rem!important}.pb-0{padding-bottom:0!important}.pb-1{padding-bottom:0.25rem!important}.pb-2{padding-bottom:0.5rem!important}.pb-3{padding-bottom:1rem!important}.pb-4{padding-bottom:1.5rem!important}.pb-5{padding-bottom:3rem!important}.ps-0{padding-left:0!important}.ps-1{padding-left:0.25rem!important}.ps-2{padding-left:0.5rem!important}.ps-3{padding-left:1rem!important}.pe-0{padding-right:0!important}.pe-1{padding-right:0.25rem!important}.pe-2{padding-right:0.5rem!important}.pe-3{padding-right:1rem!important}.w-25{width:25%!important}.w-50{width:50%!important}.w-75{width:75%!important}.w-100{width:100%!important}.h-25{height:25%!important}.h-50{height:50%!important}.h-75{height:75%!important}.h-100{height:100%!important}.shadow-none{box-shadow:none!important}.shadow-sm{box-shadow:var(--shadow-sm)!important}.shadow{box-shadow:var(--shadow-base)!important}.shadow-lg{box-shadow:var(--shadow-lg)!important}.border-0{border:0!important}.border{border:1px solid var(--border-color)!important}.border-top{border-top:1px solid var(--border-color)!important}.border-bottom{border-bottom:1px solid var(--border-color)!important}.border-start{border-left:1px solid var(--border-color)!important}.border-end{border-right:1px solid var(--border-color)!important}.rounded{border-radius:var(--border-radius)!important}.rounded-0{border-radius:0!important}.rounded-1{border-radius:var(--border-radius-sm)!important}.rounded-2{border-radius:var(--border-radius)!important}.rounded-3{border-radius:var(--border-radius-lg)!important}.rounded-circle{border-radius:50%!important}.overflow-hidden{overflow:hidden!important}.overflow-visible{overflow:visible!important}.overflow-auto{overflow:auto!important}.position-static{position:static!important}.position-relative{position:relative!important}.position-absolute{position:absolute!important}.position-fixed{position:fixed!important}.position-sticky{position:sticky!important}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-light);border-radius:4px}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px;transition:var(--transition-base)}::-webkit-scrollbar-thumb:hover{background:var(--secondary-color)}::-webkit-scrollbar-corner{background:var(--bg-light)}::selection{background-color:rgba(0,102,204,0.2);color:var(--text-primary)}::-moz-selection{background-color:rgba(0,102,204,0.2);color:var(--text-primary)}.visually-hidden-focusable:focus{position:absolute;z-index:var(--z-tooltip);top:10px;left:10px;background:#000;color:#fff;padding:8px 16px;text-decoration:none;border-radius:var(--border-radius)}@media (max-width:575.98px){.container{padding-left:0.75rem;padding-right:0.75rem}h1{font-size:2rem}h2{font-size:1.75rem}h3{font-size:1.5rem}.section-padding{padding:3rem 0}}@media (max-width:767.98px){.section-padding-lg{padding:4rem 0}}@media (max-width:991.98px){main{margin-top:0;padding-top:var(--navbar-height)}}@media (prefers-contrast:high){:root{--border-color:#000;--text-muted:#000}.btn{border-width:2px}.form-control{border-width:2px}.card{border:2px solid var(--border-color)}}@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:0.01ms!important;animation-iteration-count:1!important;transition-duration:0.01ms!important;scroll-behavior:auto!important}.animate-on-scroll{animation:none;opacity:1;transform:none}}@media (min-width:768px){main{margin-top:var(--navbar-height,76px)!important}}@media (max-width:767.98px){main{margin-top:0!important;padding-top:var(--navbar-height,76px)!important}.hero-section,.calculator-hero,.research-hero,.home-hero,.about-hero{padding-top:1.5rem!important;margin-top:0!important}.home-page .home-hero{padding-top:1.5rem!important;margin-top:0!important}.calculator-page .calculator-hero,.construction-calculator-page .calculator-hero{padding-top:1.5rem!important;margin-top:0!important}.research-page .research-hero{padding-top:1.5rem!important;margin-top:0!important}.about-page .about-hero{padding-top:1.5rem!important;margin-top:0!important}main>section:first-child,main>.hero-section:first-child,main>.calculator-hero:first-child,main>.research-hero:first-child,main>.home-hero:first-child,main>.about-hero:first-child{padding-top:1.5rem!important;margin-top:0!important}@media (max-width:575.98px){.hero-section,.calculator-hero,.research-hero,.home-hero,.about-hero{padding-top:1rem!important}.hero-section .container,.calculator-hero .container,.research-hero .container,.home-hero .container,.about-hero .container{padding-top:0!important}}}.navbar{position:fixed!important;top:0!important;left:0!important;right:0!important;z-index:1030!important;background:#2c3e50!important;box-shadow:0 4px 20px rgba(0,0,0,0.1)!important;padding:0.75rem 0!important;border-bottom:none!important;backdrop-filter:blur(15px)!important;transition:all 0.3s ease!important}.navbar-brand{font-size:1.5rem!important;font-weight:700!important;color:#ffffff!important;text-decoration:none!important;display:flex!important;align-items:center!important;transition:all 0.3s ease!important}.navbar-brand:hover{color:#ffffff!important;opacity:0.9!important;transform:translateY(-1px)!important}.navbar-brand i{font-size:1.25em!important;color:#3498db!important;margin-right:0.75rem!important;transition:all 0.3s ease!important}.navbar-brand:hover i{color:#5dade2!important;transform:scale(1.1)!important}@media (min-width:992px){.navbar-nav .nav-item.enhanced-nav-item{margin:0 0.25rem}.navbar-nav .nav-item.enhanced-nav-item .nav-link{background:rgba(255,255,255,0.05)!important;border:1px solid rgba(255,255,255,0.1)!important;border-radius:8px!important;padding:0.6rem 1rem!important;transition:all 0.3s ease!important;color:rgba(255,255,255,0.95)!important;text-decoration:none!important;display:flex!important;flex-direction:column!important;align-items:flex-start!important;justify-content:center!important;min-width:140px!important;height:60px!important;position:relative!important}.navbar-nav .nav-item.enhanced-nav-item.with-meta .nav-link{min-width:180px!important}.navbar-nav .nav-item.enhanced-nav-item .nav-link:not(:has(.enhanced-nav-meta)){justify-content:center!important;min-height:auto!important}.navbar-nav .nav-item.enhanced-nav-item .nav-link:hover{background:rgba(52,152,219,0.15)!important;border-color:rgba(52,152,219,0.3)!important;color:#ffffff!important;transform:translateY(-1px)!important;box-shadow:0 4px 15px rgba(52,152,219,0.2)!important}.navbar-nav .nav-item.enhanced-nav-item .nav-link.active{background:rgba(52,152,219,0.2)!important;border-color:rgba(52,152,219,0.4)!important;color:#ffffff!important;box-shadow:0 4px 12px rgba(52,152,219,0.25)!important}.enhanced-nav-content{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;width:100%;height:100%;gap:0.2rem}.enhanced-nav-header{display:flex;align-items:center;width:100%}.enhanced-nav-icon{font-size:1rem!important;margin-right:0.5rem!important;color:#ffffff!important;transition:all 0.3s ease!important;flex-shrink:0}.enhanced-nav-title{font-weight:600!important;font-size:0.9rem!important;line-height:1.2!important;color:rgba(255,255,255,0.95)!important}.enhanced-nav-meta{font-size:0.75rem!important;opacity:0.8!important;font-weight:500!important;line-height:1.1!important;color:rgba(255,255,255,0.8)!important;display:flex;align-items:center;gap:0.75rem;margin-left:1.5rem}.enhanced-nav-meta .meta-item{display:inline;white-space:nowrap}.navbar-nav .nav-item.enhanced-nav-item .nav-link:hover .enhanced-nav-icon{transform:scale(1.05)!important}.navbar-nav .nav-item.enhanced-nav-item .nav-link:hover .enhanced-nav-meta,.navbar-nav .nav-item.enhanced-nav-item .nav-link.active .enhanced-nav-meta{opacity:1!important;color:rgba(255,255,255,0.95)!important}.navbar-nav .nav-item:not(.enhanced-nav-item) .nav-link{font-weight:500!important;padding:0.5rem 1rem!important;border-radius:8px!important;transition:all 0.3s ease!important;color:rgba(255,255,255,0.9)!important;position:relative!important;margin:0 0.25rem!important;display:flex!important;align-items:center!important}.navbar-nav .nav-item:not(.enhanced-nav-item) .nav-link:hover{background-color:rgba(255,255,255,0.1)!important;color:#ffffff!important;transform:translateY(-1px)!important;box-shadow:0 4px 12px rgba(255,255,255,0.1)!important}.navbar-nav .nav-item:not(.enhanced-nav-item) .nav-link.active{background-color:rgba(52,152,219,0.2)!important;color:#ffffff!important;box-shadow:0 4px 12px rgba(52,152,219,0.3)!important}.navbar-nav .nav-item:not(.enhanced-nav-item) .nav-link i{margin-right:0.5rem!important;font-size:1rem!important;transition:all 0.3s ease!important}.navbar-nav .nav-item:not(.enhanced-nav-item) .nav-link:hover i{transform:scale(1.1)!important}}@media (max-width:991.98px){.navbar .container{position:relative;display:flex;align-items:center;justify-content:space-between}.navbar-toggler{z-index:1040}.navbar-collapse{background:#2c3e50!important;border-radius:12px!important;margin-top:1rem!important;padding:1.5rem!important;box-shadow:0 20px 40px rgba(0,0,0,0.3)!important;border:2px solid rgba(255,255,255,0.1)!important}.navbar-nav{gap:0.5rem!important}.navbar-nav .nav-item{width:100%!important}.navbar-nav .nav-item.enhanced-nav-item .nav-link{padding:1rem 1.25rem!important;border-radius:8px!important;margin:0!important;border:1px solid rgba(255,255,255,0.1)!important;transition:all 0.3s ease!important;color:#ffffff!important;background:rgba(255,255,255,0.05)!important;font-weight:500!important;display:flex!important;flex-direction:row!important;align-items:center!important;text-decoration:none!important}.navbar-nav .nav-item.enhanced-nav-item .nav-link:hover{background:rgba(52,152,219,0.15)!important;color:#ffffff!important;transform:translateX(5px)!important;border-color:rgba(52,152,219,0.3)!important;box-shadow:0 4px 15px rgba(52,152,219,0.2)!important}.navbar-nav .nav-item.enhanced-nav-item .nav-link.active{background:rgba(52,152,219,0.2)!important;color:#ffffff!important;border-color:rgba(52,152,219,0.4)!important;box-shadow:0 4px 15px rgba(52,152,219,0.25)!important}.enhanced-nav-content{display:flex;flex-direction:column;align-items:flex-start;flex:1;gap:0.15rem}.enhanced-nav-header{display:flex;align-items:center;width:100%}.enhanced-nav-icon{margin-right:0.75rem!important;color:#ffffff!important;font-size:1.1rem!important;flex-shrink:0}.enhanced-nav-title{font-weight:600!important;font-size:0.95rem!important;line-height:1.2!important;color:#ffffff!important}.enhanced-nav-meta{font-size:0.75rem!important;opacity:0.85!important;font-weight:500!important;line-height:1.2!important;color:rgba(255,255,255,0.8)!important;margin-left:1.85rem!important;display:block}.enhanced-nav-meta .meta-item{display:inline;margin-right:0.75rem}.enhanced-nav-meta .meta-item:last-child{margin-right:0}.navbar-nav .nav-item:not(.enhanced-nav-item) .nav-link{padding:1rem 1.25rem!important;border-radius:8px!important;margin:0!important;border:1px solid rgba(255,255,255,0.1)!important;transition:all 0.3s ease!important;color:#ffffff!important;background:rgba(255,255,255,0.05)!important;font-weight:500!important;display:flex!important;align-items:center!important}.navbar-nav .nav-item:not(.enhanced-nav-item) .nav-link:hover{background:rgba(52,152,219,0.8)!important;color:#ffffff!important;transform:translateX(8px)!important;border-color:rgba(52,152,219,0.5)!important;box-shadow:0 4px 15px rgba(52,152,219,0.3)!important}.navbar-nav .nav-item:not(.enhanced-nav-item) .nav-link.active{background:rgba(52,152,219,0.9)!important;color:#ffffff!important;border-color:rgba(52,152,219,0.7)!important;box-shadow:0 4px 15px rgba(52,152,219,0.4)!important}.navbar-nav .nav-item:not(.enhanced-nav-item) .nav-link i{margin-right:0.75rem!important;color:#ffffff!important;font-size:1.1rem!important}.navbar-toggler{border:2px solid rgba(255,255,255,0.2)!important;padding:0.5rem!important;border-radius:8px!important;background:rgba(255,255,255,0.1)!important}.navbar-toggler:focus{box-shadow:0 0 0 0.2rem rgba(52,152,219,0.5)!important;border-color:rgba(52,152,219,0.5)!important}.navbar-toggler-icon{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e")!important}}@media (pointer:coarse){.navbar-nav .nav-link{min-height:48px!important;display:flex!important;align-items:center!important;touch-action:manipulation!important;user-select:none!important;-webkit-user-select:none!important;-webkit-touch-callout:none!important}.navbar-toggler{touch-action:manipulation!important;-webkit-tap-highlight-color:rgba(52,152,219,0.2)!important;min-height:48px!important;min-width:48px!important}.navbar-nav .nav-item.enhanced-nav-item .nav-link{min-height:56px!important}}.navbar-nav .nav-link:focus{outline:2px solid #3498db!important;outline-offset:2px!important;box-shadow:0 0 0 0.2rem rgba(52,152,219,0.3)!important}.navbar-brand:focus{outline:2px solid #3498db!important;outline-offset:2px!important}@media (prefers-contrast:high){.navbar{background:#000000!important;border-bottom:3px solid #ffffff!important}.navbar-brand,.navbar-nav .nav-link{color:#ffffff!important;border:2px solid transparent!important}.navbar-nav .nav-link:focus,.navbar-nav .nav-link.active{border-color:#ffffff!important;background:#333333!important}.navbar-nav .nav-item.enhanced-nav-item .nav-link{background:#333333!important;border:2px solid #ffffff!important}@media (max-width:991.98px){.navbar-collapse{background:#000000!important;border:3px solid #ffffff!important}.navbar-nav .nav-link{color:#ffffff!important;border:2px solid #ffffff!important;background:#333333!important}.navbar-nav .nav-link:hover,.navbar-nav .nav-link:focus{background:#ffffff!important;color:#000000!important}.enhanced-nav-title,.enhanced-nav-meta{color:#ffffff!important}.navbar-nav .nav-link:hover .enhanced-nav-title,.navbar-nav .nav-link:hover .enhanced-nav-meta{color:#000000!important}}}@media (prefers-reduced-motion:reduce){.navbar-nav .nav-link,.navbar-brand,.navbar-toggler{transition:none!important;animation:none!important}.navbar-nav .nav-link:hover{transform:none!important}}.navbar{z-index:1030!important}.navbar-collapse{z-index:1020!important}.navbar.navbar-dark .navbar-nav .nav-link{color:rgba(255,255,255,0.9)!important}.navbar.navbar-dark .navbar-nav .nav-link:hover{color:#ffffff!important}.navbar.navbar-dark .navbar-nav .nav-link.active{color:#ffffff!important}.navbar.navbar-dark .navbar-brand{color:#ffffff!important}.navbar.navbar-dark .navbar-brand:hover{color:#ffffff!important}@media (max-width:991.98px){.navbar-nav{margin-top:0.5rem!important}.navbar-collapse.show,.navbar-collapse.collapsing{background:#2c3e50!important;border:2px solid rgba(255,255,255,0.2)!important}}@media print{.navbar{background:#ffffff!important;color:#000000!important;box-shadow:none!important;border-bottom:2px solid #000000!important;position:static!important}.navbar-brand,.navbar-nav .nav-link,.enhanced-nav-title,.enhanced-nav-meta{color:#000000!important}.navbar-toggler{display:none!important}.enhanced-nav-meta{font-size:0.7rem!important}}.site-footer{background:linear-gradient(135deg,#2c3e50 0%,#34495e 50%,#2c3e50 100%);position:relative;overflow:hidden;margin-top:0}.site-footer::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.3),transparent)}.site-footer h5,.site-footer h6{color:#ffffff;position:relative;margin-bottom:1.5rem;font-weight:600}.site-footer h5::after,.site-footer h6::after{content:'';position:absolute;bottom:-8px;left:0;width:40px;height:3px;background:linear-gradient(135deg,var(--primary-color),var(--primary-hover));border-radius:2px}.site-footer h5::after{width:50px;height:4px}.site-footer a{color:#e8eaed;text-decoration:none;transition:all 0.3s ease;display:inline-flex;align-items:center;padding:0.25rem 0}.site-footer a:hover{color:#4dabf7;transform:translateX(3px)}.site-footer a i{transition:transform 0.3s ease;margin-right:0.5rem}.site-footer a:hover i{transform:scale(1.1);color:#4dabf7}.site-footer .col-lg-4:first-child h5{display:flex;align-items:center;gap:0.75rem;margin-bottom:1.5rem}.site-footer .col-lg-4:first-child h5 i{font-size:2rem;background:linear-gradient(135deg,var(--primary-color),var(--primary-hover));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.site-footer .col-lg-4:first-child p{color:#d1d3d6;line-height:1.6}.site-footer ul{padding-left:0}.site-footer li{margin-bottom:0.75rem;transition:transform 0.2s ease}.site-footer li:hover{transform:translateX(2px)}.site-footer .col-lg-4:last-child i{width:20px;color:var(--primary-color);flex-shrink:0}.site-footer .text-light-emphasis{color:#e8eaed!important}.site-footer hr{border-color:rgba(255,255,255,0.2);margin:2.5rem 0}.footer-links{display:flex;gap:1.5rem;justify-content:flex-end}.footer-links a{padding:0.5rem 0.75rem;border-radius:6px;transition:all 0.3s ease;background:rgba(255,255,255,0.05)}.footer-links a:hover{background:rgba(255,255,255,0.1);color:white;transform:translateY(-1px)}.site-footer .col-md-6 p{color:#c7c9cc!important;font-size:0.9rem}@media (max-width:768px){.site-footer{text-align:center}.site-footer .col-md-6:last-child{text-align:center!important;margin-top:1rem}.footer-links{justify-content:center;gap:1rem}.site-footer h5::after,.site-footer h6::after{left:50%;transform:translateX(-50%)}.site-footer li:hover{transform:none}.site-footer a:hover{transform:translateX(0)}}@media (max-width:576px){.site-footer .col-lg-4:first-child h5{flex-direction:column;gap:0.5rem;text-align:center}.footer-links{flex-direction:column;gap:0.5rem}.footer-links a{display:block;text-align:center}}.verification-badge-header{display:inline-flex;align-items:center;gap:0.5rem;background:rgba(40,167,69,0.15);border:1px solid rgba(40,167,69,0.3);border-radius:25px;padding:0.4rem 1rem;margin-left:1.5rem;font-size:0.85rem;font-weight:600;color:#fff;transition:all 0.3s ease;backdrop-filter:blur(10px);text-decoration:none;white-space:nowrap}.verification-badge-header:hover{background:rgba(40,167,69,0.25);transform:translateY(-1px);box-shadow:0 4px 12px rgba(40,167,69,0.3);color:#fff;text-decoration:none}.verification-badge-header i{font-size:1.1rem;color:#28a745}.verification-pulse{display:inline-block;width:8px;height:8px;background:#28a745;border-radius:50%;animation:pulse 2s infinite;margin-left:0.5rem}@keyframes pulse{0%{transform:scale(1);opacity:1}50%{transform:scale(1.2);opacity:0.7}100%{transform:scale(1);opacity:1}}.hero-verification-banner{background:rgba(0,0,0,0.3);backdrop-filter:blur(15px);border:1px solid rgba(255,255,255,0.2);border-radius:15px;padding:1rem 1.5rem;margin-bottom:2rem;display:inline-flex;align-items:center;gap:1rem;animation:slideInUp 0.8s ease-out}@keyframes slideInUp{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.hero-verification-banner .badge-icon{width:50px;height:50px;background:linear-gradient(135deg,#28a745,#20c997);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:white;box-shadow:0 4px 15px rgba(40,167,69,0.4)}.hero-verification-banner .badge-content h4{margin:0;font-size:1.1rem;font-weight:700;color:#fff;text-shadow:0 2px 4px rgba(0,0,0,0.3)}.hero-verification-banner .badge-content p{margin:0;font-size:0.9rem;color:rgba(255,255,255,0.9);font-weight:500}.calculator-trust-banner{background:linear-gradient(135deg,#e8f5e9,#c8e6c9);border-left:4px solid #28a745;border-radius:12px;padding:1.5rem;margin-bottom:2rem;box-shadow:0 4px 15px rgba(40,167,69,0.15);position:relative;overflow:hidden}.calculator-trust-banner::before{content:'';position:absolute;top:0;right:0;width:200px;height:200px;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"><path d="M100 20 L130 80 L190 80 L140 120 L160 180 L100 140 L40 180 L60 120 L10 80 L70 80 Z" fill="rgba(40,167,69,0.1)"/></svg>');background-size:contain;opacity:0.3}.trust-banner-content{position:relative;z-index:2}.trust-banner-header{display:flex;align-items:center;gap:1rem;margin-bottom:1rem}.trust-banner-icon{width:60px;height:60px;background:white;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(0,0,0,0.1);flex-shrink:0}.trust-banner-icon i{font-size:1.8rem;color:#28a745}.trust-banner-title h3{margin:0;font-size:1.3rem;font-weight:700;color:#2c3e50}.trust-banner-title p{margin:0;font-size:0.95rem;color:#5a6c7d;font-weight:500}.trust-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem;margin-top:1rem}.trust-feature{display:flex;align-items:center;gap:0.75rem;padding:0.5rem;background:white;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,0.05)}.trust-feature i{font-size:1.2rem;color:#28a745;flex-shrink:0}.trust-feature-text{font-size:0.9rem;color:#495057;font-weight:500;line-height:1.4}.trust-cta{margin-top:1rem;text-align:center}.trust-cta a{color:#28a745;font-weight:600;text-decoration:none;display:inline-flex;align-items:center;gap:0.5rem;transition:all 0.3s ease}.trust-cta a:hover{color:#218838;transform:translateX(5px)}.feature-card.verification-featured{border:2px solid #28a745;transform:scale(1.02)}.feature-card.verification-featured .feature-icon{background:linear-gradient(135deg,#28a745,#20c997);animation:iconPulse 3s infinite}@keyframes iconPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.1)}}@media (max-width:991.98px){.verification-badge-header{display:none}.navbar-collapse .methodology-mobile-badge{display:block;background:rgba(40,167,69,0.1);border:1px solid rgba(40,167,69,0.3);border-radius:8px;padding:1rem;margin:1rem 0;text-align:center}.methodology-mobile-badge i{font-size:2rem;color:#28a745;display:block;margin-bottom:0.5rem}.methodology-mobile-badge strong{display:block;color:#28a745;font-size:0.9rem}.methodology-mobile-badge small{display:block;color:rgba(255,255,255,0.8);font-size:0.8rem;margin-top:0.25rem}}@media (max-width:767.98px){.hero-verification-banner{flex-direction:column;text-align:center;padding:1rem}.hero-verification-banner .badge-icon{width:40px;height:40px;font-size:1.2rem}.hero-verification-banner .badge-content h4{font-size:1rem}.hero-verification-banner .badge-content p{font-size:0.8rem}.trust-banner-header{flex-direction:column;text-align:center}.trust-features{grid-template-columns:1fr}}@media (max-width:575.98px){.calculator-trust-banner{padding:1rem}.trust-banner-icon{width:50px;height:50px}.trust-banner-icon i{font-size:1.5rem}.trust-banner-title h3{font-size:1.1rem}.trust-banner-title p{font-size:0.85rem}.trust-feature{padding:0.4rem}.trust-feature-text{font-size:0.85rem}}@media (prefers-reduced-motion:reduce){.verification-pulse,.hero-verification-banner,.feature-card.verification-featured .feature-icon{animation:none}}@media (prefers-contrast:high){.verification-badge-header{background:#000;border:2px solid #fff;color:#fff}.verification-badge-header i,.verification-pulse{color:#fff;background:#fff}.hero-verification-banner{background:#000;border:2px solid #fff}.calculator-trust-banner{background:#fff;border:2px solid #000}}.exit-popup-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,0);z-index:9999;display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;visibility:hidden;transition:all 0.3s ease;backdrop-filter:blur(0px)}.exit-popup-overlay.active{opacity:1;visibility:visible;background-color:rgba(0,0,0,0.6);backdrop-filter:blur(3px)}.exit-popup-container{background:#ffffff;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,0.3);max-width:520px;width:100%;position:relative;transform:translateY(30px) scale(0.9);transition:transform 0.3s cubic-bezier(0.68,-0.55,0.265,1.55);max-height:90vh;overflow-y:auto;border:1px solid rgba(0,0,0,0.1)}.exit-popup-overlay.active .exit-popup-container{transform:translateY(0) scale(1)}.exit-popup-close{position:absolute;top:16px;right:16px;width:40px;height:40px;border:none;background:#f8f9fa;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all 0.2s ease;z-index:1}.exit-popup-close:hover{background:#e9ecef;transform:scale(1.1);box-shadow:0 2px 8px rgba(0,0,0,0.1)}.exit-popup-close svg{width:20px;height:20px;color:#495057}.exit-popup-content{padding:40px}.exit-popup-title{font-size:28px;font-weight:700;color:#212529;margin:0 0 8px 0;text-align:center;line-height:1.3}.exit-popup-subtitle{font-size:16px;color:#6c757d;margin:0 0 24px 0;text-align:center;line-height:1.5}.exit-popup-body{margin-bottom:32px}.popup-text{font-size:16px;line-height:1.6;color:#495057;margin-bottom:20px;text-align:center}.popup-text strong{color:#212529;font-weight:600}.popup-features{display:grid;grid-template-columns:1fr;gap:16px;margin:20px 0}.popup-feature{display:flex;align-items:center;gap:12px;padding:16px;background:linear-gradient(135deg,#f8f9fa 0%,#e9ecef 100%);border-radius:12px;transition:all 0.3s ease;border:1px solid rgba(0,0,0,0.05)}.popup-feature:hover{background:linear-gradient(135deg,#e9ecef 0%,#dee2e6 100%);transform:translateX(4px);box-shadow:0 4px 12px rgba(0,0,0,0.1)}.popup-icon{font-size:24px;flex-shrink:0;width:32px;text-align:center}.popup-feature span:not(.popup-icon){font-size:15px;color:#495057;font-weight:500}.exit-popup-actions{display:flex;gap:12px;flex-direction:column}.exit-popup-btn{padding:14px 24px;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all 0.2s ease;text-align:center;width:100%;position:relative;overflow:hidden;text-decoration:none;display:inline-block}.exit-popup-btn:before{content:'';position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:rgba(255,255,255,0.2);transform:translate(-50%,-50%);transition:width 0.6s,height 0.6s}.exit-popup-btn:hover:before{width:300px;height:300px}.exit-popup-btn-primary{background:linear-gradient(135deg,#0066cc 0%,#0052a3 100%);color:white;box-shadow:0 4px 15px rgba(0,102,204,0.3)}.exit-popup-btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,102,204,0.4);color:white}.exit-popup-btn-secondary{background:#f8f9fa;color:#495057;border:2px solid #dee2e6}.exit-popup-btn-secondary:hover{background:#e9ecef;border-color:#adb5bd;color:#495057}.popup-timer-container{text-align:center;margin-bottom:24px}.popup-timer{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:16px;padding:20px;background:linear-gradient(135deg,#fff3cd 0%,#ffeaa7 100%);border-radius:12px;border:2px solid #ffeaa7}.timer-block{text-align:center}.timer-value{display:block;font-size:32px;font-weight:700;color:#856404;line-height:1}.timer-label{display:block;font-size:12px;color:#856404;margin-top:4px;text-transform:uppercase;letter-spacing:0.5px}.timer-separator{font-size:24px;font-weight:700;color:#856404;margin:0 4px}.popup-offer-details{background:linear-gradient(135deg,#d1ecf1 0%,#bee5eb 100%);border:1px solid #bee5eb;border-radius:12px;padding:20px;margin-top:20px}.popup-offer-details p{margin:8px 0;font-size:15px;color:#0c5460;line-height:1.5}.popup-offer-details strong{color:#0c5460}@media (max-width:576px){.exit-popup-overlay{padding:15px}.exit-popup-content{padding:32px 24px}.exit-popup-title{font-size:24px}.exit-popup-subtitle{font-size:14px}.popup-text{font-size:14px}.timer-value{font-size:28px}.timer-label{font-size:11px}.exit-popup-actions{gap:10px}.exit-popup-btn{padding:12px 20px;font-size:15px}.popup-feature{padding:12px;font-size:14px}.popup-icon{font-size:20px}.popup-feature span:not(.popup-icon){font-size:14px}}@keyframes popup-bounce{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}.exit-popup-container{animation:popup-bounce 0.5s ease 0.3s both}.exit-popup-overlay:focus-within .exit-popup-container{outline:3px solid #0066cc;outline-offset:2px}.exit-popup-btn:focus{outline:3px solid #0066cc;outline-offset:2px}.exit-popup-close:focus{outline:3px solid #0066cc;outline-offset:2px}@media (prefers-reduced-motion:reduce){.exit-popup-overlay,.exit-popup-container,.exit-popup-btn,.popup-feature{transition:none;animation:none}.exit-popup-container{transform:none}}@media (prefers-color-scheme:dark){.exit-popup-container{background:#2d3748;border-color:rgba(255,255,255,0.1);box-shadow:0 20px 60px rgba(0,0,0,0.5)}.exit-popup-title{color:#f7fafc}.exit-popup-subtitle,.popup-text{color:#a0aec0}.popup-text strong{color:#f7fafc}.popup-feature{background:linear-gradient(135deg,#4a5568 0%,#2d3748 100%);border-color:rgba(255,255,255,0.1)}.popup-feature:hover{background:linear-gradient(135deg,#2d3748 0%,#1a202c 100%)}.popup-feature span:not(.popup-icon){color:#e2e8f0}.exit-popup-close{background:#4a5568}.exit-popup-close:hover{background:#2d3748}.exit-popup-close svg{color:#e2e8f0}.exit-popup-btn-secondary{background:#4a5568;color:#e2e8f0;border-color:#2d3748}.exit-popup-btn-secondary:hover{background:#2d3748;color:#f7fafc}}@media print{.exit-popup-overlay{display:none!important}}.exit-popup-overlay{will-change:opacity,visibility}.exit-popup-container{will-change:transform}.exit-popup-btn{will-change:transform,box-shadow}.feedback-widget{position:fixed;z-index:9998;background:white;border-radius:16px;box-shadow:0 10px 40px rgba(0,0,0,0.15);padding:24px;width:320px;transform:translateY(20px);opacity:0;visibility:hidden;transition:all 0.3s cubic-bezier(0.68,-0.55,0.265,1.55);border:1px solid rgba(0,0,0,0.1)}.feedback-widget.active{transform:translateY(0);opacity:1;visibility:visible}.feedback-widget.bottom-right{bottom:20px;right:20px}.feedback-widget.bottom-left{bottom:20px;left:20px}.feedback-widget-close{position:absolute;top:8px;right:8px;width:32px;height:32px;border:none;background:transparent;color:#6c757d;font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all 0.2s ease;line-height:1}.feedback-widget-close:hover{background:#f8f9fa;color:#495057;transform:scale(1.1)}.feedback-widget-icon{width:56px;height:56px;background:linear-gradient(135deg,#0066cc 0%,#0052a3 100%);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;position:relative;animation:pulse-widget 2s infinite}.feedback-widget-icon svg{width:28px;height:28px;color:white}@keyframes pulse-widget{0%{box-shadow:0 0 0 0 rgba(0,102,204,0.4)}70%{box-shadow:0 0 0 15px rgba(0,102,204,0)}100%{box-shadow:0 0 0 0 rgba(0,102,204,0)}}.feedback-widget-content{text-align:center}.feedback-widget-title{font-size:20px;font-weight:700;color:#212529;margin:0 0 8px 0;line-height:1.3}.feedback-widget-text{font-size:14px;color:#6c757d;margin:0 0 20px 0;line-height:1.5}.feedback-widget-buttons{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}.feedback-widget-btn{display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all 0.2s ease;text-decoration:none;width:100%;position:relative;overflow:hidden}.feedback-widget-btn:before{content:'';position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:rgba(255,255,255,0.2);transform:translate(-50%,-50%);transition:width 0.6s,height 0.6s}.feedback-widget-btn:hover:before{width:300px;height:300px}.feedback-widget-btn svg{width:16px;height:16px;flex-shrink:0}.feedback-widget-btn-primary{background:#25D366;color:white;box-shadow:0 2px 8px rgba(37,211,102,0.3)}.feedback-widget-btn-primary:hover{background:#1da851;transform:translateY(-1px);box-shadow:0 4px 12px rgba(37,211,102,0.4);color:white}.feedback-widget-btn:not(.feedback-widget-btn-primary){background:#0088cc;color:white;box-shadow:0 2px 8px rgba(0,136,204,0.3)}.feedback-widget-btn:not(.feedback-widget-btn-primary):hover{background:#0077b5;transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,136,204,0.4);color:white}.feedback-widget-btn[data-action="contact"]{background:#6c757d;color:white}.feedback-widget-btn[data-action="contact"]:hover{background:#5a6268;color:white}@media (max-width:576px){.feedback-widget{width:300px;padding:20px;margin:0 10px}.feedback-widget.bottom-right{right:10px}.feedback-widget.bottom-left{left:10px}.feedback-widget-icon{width:48px;height:48px;margin-bottom:12px}.feedback-widget-icon svg{width:24px;height:24px}.feedback-widget-title{font-size:18px}.feedback-widget-text{font-size:13px;margin-bottom:16px}.feedback-widget-btn{padding:10px 16px;font-size:13px}}.feedback-widget:focus-within{outline:3px solid #0066cc;outline-offset:2px}.feedback-widget-btn:focus{outline:2px solid #fff;outline-offset:2px}.feedback-widget-close:focus{outline:2px solid #0066cc;outline-offset:2px}@media (prefers-color-scheme:dark){.feedback-widget{background:#2d3748;border-color:rgba(255,255,255,0.1);box-shadow:0 10px 40px rgba(0,0,0,0.3)}.feedback-widget-title{color:#f7fafc}.feedback-widget-text{color:#a0aec0}.feedback-widget-close{color:#a0aec0}.feedback-widget-close:hover{background:#4a5568;color:#f7fafc}}.feedback-widget-btn{transform:translateZ(0)}.feedback-widget-btn:active{transform:translateY(0)}.feedback-widget-btn svg{transition:transform 0.2s ease}.feedback-widget-btn:hover svg{transform:scale(1.1)}@media print{.feedback-widget{display:none!important}}