:root{--color-primary:#001a70;--color-white:#ffffff;--color-blue-dark:#000f3d;--color-blue-mid:#0027a8;--color-blue-light:#4d63c8;--color-gray-dark:#1e1e1e;--color-gray-mid:#6b7280;--color-gray-light:#e5e7eb;--bg-primary:#ffffff;--bg-secondary:#f9fafb;--text-primary:#001a70;--text-secondary:#0027A8;--border-color:#0027A8;--link-color:#001a70;--button-bg:#001a70;--button-text:#ffffff;--spacing-xs:8px;--spacing-sm:16px;--spacing-md:24px;--spacing-lg:32px;--spacing-xl:48px;--spacing-xxl:64px;--font-size-h1:2.25rem;--font-size-h2:1.75rem;--font-size-h3:1.375rem;--font-size-body:1rem;--font-size-small:0.875rem;--max-width:1200px;--reading-width:70ch;--border-radius:8px;--transition-speed:0.3s}[data-theme=dark]{--bg-primary:#000f3d;--bg-secondary:#1e1e1e;--text-primary:#ffffff;--text-secondary:#E5E7EB;--border-color:#E5E7EB;--link-color:#4d63c8;--button-bg:#001a70;--button-text:#ffffff}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;height:100%}body{font-family:Montserrat,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:1rem;font-weight:400;line-height:1.5;color:var(--text-primary);background-color:var(--bg-primary);transition:background-color var(--transition-speed),color var(--transition-speed);min-height:100%;display:flex;flex-direction:column}article,main,section{flex:1}h1,h2,h3,h4,h5,h6{line-height:1.25;margin-bottom:16px}h1{font-size:2.25rem;font-weight:700}h2{font-size:1.75rem;font-weight:600}h3{font-size:1.375rem;font-weight:600}p{margin-bottom:16px}a{color:var(--link-color);text-decoration:none;transition:opacity var(--transition-speed)}a:hover{opacity:.8}.container{max-width:1200px;margin:0 auto;padding:0 24px}.section{padding:64px 0}.section-alt{background-color:var(--bg-secondary)}.section-intro{color:var(--text-secondary);margin-bottom:32px;max-width:70ch}.navbar{background-color:var(--bg-primary);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:1000;transition:background-color var(--transition-speed);overflow:visible}.navbar .container{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;position:relative;overflow:visible}.navbar .nav-brand{display:flex;align-items:center;gap:16px}.navbar .nav-brand .nav-logo{height:32px;width:32px;transition:filter var(--transition-speed)}[data-theme=dark] .navbar .nav-brand .nav-logo{filter:brightness(0) invert(1)}.navbar .nav-brand .nav-title{font-weight:600;font-size:1.125rem}[data-theme=dark] .navbar .nav-brand .nav-title{color:#fff}.navbar .nav-menu{display:flex;list-style:none;gap:24px;align-items:center}.navbar .nav-menu .nav-link{font-weight:500;font-size:.875rem;padding:8px 16px;border-radius:8px;transition:background-color var(--transition-speed)}.navbar .nav-menu .nav-link:hover{background-color:var(--bg-secondary);opacity:1}.navbar .nav-menu .nav-link.active{background-color:var(--bg-secondary);font-weight:600}[data-theme=dark] .navbar .nav-menu .nav-link{color:#fff}.navbar .mobile-toggle{display:none;flex-direction:column;gap:4px;background:0 0;border:none;cursor:pointer;padding:8px}.navbar .mobile-toggle span{display:block;width:24px;height:2px;background-color:var(--text-primary);transition:all var(--transition-speed);transform-origin:center}.navbar .mobile-toggle.active span:first-child{transform:translateY(6px) rotate(45deg)}.navbar .mobile-toggle.active span:nth-child(2){opacity:0;transform:scaleX(0)}.navbar .mobile-toggle.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}.navbar .theme-toggle{background:0 0;border:none;cursor:pointer;padding:8px;display:flex;align-items:center;border-radius:8px;transition:background-color var(--transition-speed)}.navbar .theme-toggle:hover{background-color:var(--bg-secondary)}.navbar .theme-toggle .theme-icon{width:20px;height:20px;transition:filter var(--transition-speed)}[data-theme=dark] .navbar .theme-toggle .theme-icon{filter:brightness(0) invert(1)}.hero{padding:64px 0;text-align:center}.hero-title{font-size:2.5rem;margin-bottom:16px}.hero-subtitle{font-size:1.25rem;color:var(--text-secondary);font-weight:400}.about-content{max-width:var(--reading-width)}.social-links{display:flex;gap:var(--spacing-md);margin-top:var(--spacing-lg)}.social-link{display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--border-color);border-radius:var(--border-radius);transition:all var(--transition-speed)}.social-link:hover{border-color:var(--link-color);transform:translateY(-2px);opacity:1}.social-icon{width:24px;height:24px}[data-theme=dark] .social-icon{filter:brightness(0) invert(1)}.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--spacing-md)}.tool-card{background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:var(--spacing-md);transition:all var(--transition-speed)}.tool-card:hover{transform:translateY(-4px);border-color:var(--link-color)}.tool-icon{width:48px;height:48px;margin-bottom:var(--spacing-sm)}[data-theme=dark] .tool-icon{filter:brightness(0) invert(1)}.tool-title{font-size:1.125rem;font-weight:600;margin-bottom:var(--spacing-xs)}.tool-description{color:var(--text-secondary);font-size:var(--font-size-small);margin-bottom:var(--spacing-sm)}.tool-tags{display:flex;flex-wrap:wrap;gap:var(--spacing-xs);margin-top:var(--spacing-sm)}.tool-tag{padding:4px 8px;background-color:var(--bg-secondary);border-radius:4px;font-size:.75rem;color:var(--text-secondary)}.blog-grid{display:grid;gap:var(--spacing-md)}.blog-card{background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:var(--spacing-md);transition:all var(--transition-speed);cursor:pointer}.blog-card:hover{transform:translateY(-2px);border-color:var(--link-color)}.blog-meta{display:flex;gap:var(--spacing-sm);color:var(--text-secondary);font-size:var(--font-size-small);margin-bottom:var(--spacing-xs)}.blog-title{font-size:1.25rem;font-weight:600;margin-bottom:var(--spacing-xs)}.blog-excerpt{color:var(--text-secondary);margin-bottom:var(--spacing-sm)}.blog-read-more{color:var(--link-color);font-weight:500;font-size:var(--font-size-small)}.contact-content{display:flex;justify-content:center}.contact-link{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-lg);border:2px solid var(--border-color);border-radius:var(--border-radius);font-size:1.125rem;font-weight:500;transition:all var(--transition-speed)}.contact-link:hover{border-color:var(--link-color);transform:translateY(-2px);opacity:1}.contact-icon{width:32px;height:32px}[data-theme=dark] .contact-icon{filter:brightness(0) invert(1)}.footer{background-color:var(--bg-primary);padding:var(--spacing-lg) 0;border-top:1px solid var(--border-color)}.footer .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--spacing-sm)}.footer p{margin:0;color:var(--text-secondary);font-size:var(--font-size-small)}.footer-links{display:flex;gap:var(--spacing-md)}.footer-links a{color:var(--text-secondary);font-size:var(--font-size-small)}@media (min-width:769px){.navbar .nav-menu{display:flex!important;max-height:none!important;position:static!important;flex-direction:row!important;padding:0!important;border-bottom:none!important;box-shadow:none!important;overflow:visible!important;visibility:visible!important;opacity:1!important}.navbar .nav-menu li{width:auto!important}.navbar .nav-link{text-align:left!important;padding:var(--spacing-xs) var(--spacing-sm)!important;width:auto!important}.navbar .theme-toggle{margin:0!important}}@media (max-width:768px){:root{--font-size-h1:1.875rem;--font-size-h2:1.5rem;--font-size-h3:1.25rem}.navbar .mobile-toggle{display:flex}.navbar .nav-menu{display:none;position:absolute;top:100%;left:0;right:0;background-color:var(--bg-primary);flex-direction:column;align-items:stretch;padding:0;border-bottom:1px solid var(--border-color);box-shadow:0 4px 6px rgba(0,0,0,.1);z-index:1001}[data-theme=dark] .navbar .nav-menu{box-shadow:0 4px 6px rgba(0,0,0,.3)}.navbar .nav-menu.active{display:flex!important;padding:var(--spacing-sm) 0}.navbar .nav-menu li{width:100%;position:relative;z-index:1}.navbar .nav-link{display:block;text-align:center;padding:var(--spacing-md) var(--spacing-lg);width:100%;position:relative;z-index:1}.navbar .theme-toggle{justify-content:center;margin:var(--spacing-xs) auto}.hero-title{font-size:2rem}.hero-subtitle{font-size:1.125rem}.social-links{flex-direction:column}.tools-grid{grid-template-columns:1fr}.footer .container{flex-direction:column;text-align:center}}@media (max-width:480px){.container{padding:0 var(--spacing-sm)}.section{padding:var(--spacing-lg) 0}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.btn-primary,.btn-secondary{display:inline-block;padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--border-radius);font-weight:600;text-decoration:none;transition:all var(--transition-speed);border:2px solid var(--button-bg)}.btn-primary{background-color:var(--button-bg);color:var(--button-text)}.btn-primary:hover{background-color:var(--color-blue-mid);border-color:var(--color-blue-mid);transform:translateY(-2px);opacity:1}.btn-secondary{background-color:transparent;color:var(--text-primary);border-color:var(--border-color)}.btn-secondary:hover{border-color:var(--link-color);transform:translateY(-2px);opacity:1}.nav-brand a{display:flex;align-items:center;gap:var(--spacing-sm);text-decoration:none;color:var(--text-primary)}.nav-link.active{background-color:var(--bg-secondary);font-weight:600}.page-header{padding:var(--spacing-xxl) 0 var(--spacing-xl) 0;text-align:center}.page-header h1{margin-bottom:var(--spacing-sm)}.page-subtitle{color:var(--text-secondary);font-size:1.125rem;max-width:var(--reading-width);margin:0 auto}.filters{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);margin-bottom:var(--spacing-lg)}.filter-btn{padding:var(--spacing-xs) var(--spacing-md);background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--border-radius);color:var(--text-primary);font-weight:500;cursor:pointer;transition:all var(--transition-speed);font-family:Montserrat,sans-serif;font-size:var(--font-size-small)}.filter-btn:hover{border-color:var(--link-color);background-color:var(--bg-primary)}.filter-btn.active{background-color:var(--button-bg);color:var(--button-text);border-color:var(--button-bg)}.blog-controls,.tools-controls{margin-bottom:var(--spacing-lg)}.tag-filter-container{margin-bottom:var(--spacing-xxl)}.tag-filter-container label{display:block;font-weight:500;margin-top:var(--spacing-lg);margin-bottom:var(--spacing-xs);color:var(--text-primary)}.tag-combobox{position:relative;width:100%;max-width:100%}.combobox-input-wrapper{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:10px 12px;background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--border-radius);transition:border-color var(--transition-speed);min-height:48px;cursor:text}.combobox-input-wrapper:focus-within{border-color:var(--link-color);box-shadow:0 0 0 3px rgba(59,130,246,.1)}[data-theme=dark] .combobox-input-wrapper:focus-within{box-shadow:0 0 0 3px rgba(59,130,246,.2)}.selected-tags-inline{display:contents}.selected-tag-pill{display:inline-flex;align-items:center;gap:4px;padding:6px 10px;background-color:var(--button-bg);color:var(--button-text);border-radius:4px;font-size:.875rem;font-weight:500;white-space:nowrap}.selected-tag-pill .remove-tag-pill{background:0 0;border:none;color:var(--button-text);cursor:pointer;padding:0;width:18px;height:18px;display:flex;align-items:center;justify-content:center;font-size:1.25rem;line-height:1;transition:opacity var(--transition-speed);margin-left:2px}.selected-tag-pill .remove-tag-pill:hover{opacity:.7}.combobox-input{flex:1;min-width:200px;border:none;outline:0;background:0 0;color:var(--text-primary);font-family:Montserrat,sans-serif;font-size:var(--font-size-body);padding:6px 0}.combobox-input::placeholder{color:var(--text-secondary)}.combobox-dropdown{position:absolute;top:100%;left:0;right:0;margin-top:4px;background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--border-radius);box-shadow:0 4px 12px rgba(0,0,0,.1);z-index:100;max-height:250px;overflow-y:auto}[data-theme=dark] .combobox-dropdown{box-shadow:0 4px 12px rgba(0,0,0,.3)}.combobox-options{padding:4px 0}.combobox-option{padding:var(--spacing-xs) var(--spacing-sm);cursor:pointer;transition:background-color var(--transition-speed);color:var(--text-primary);font-size:var(--font-size-body)}.combobox-option:hover{background-color:var(--bg-secondary)}.combobox-option.no-results{color:var(--text-secondary);cursor:default;text-align:center;padding:var(--spacing-md)}.combobox-option.no-results:hover{background-color:transparent}.search-box{margin-top:var(--spacing-xs)}.search-box label{display:block;font-weight:500;margin-bottom:var(--spacing-xs);color:var(--text-primary)}.search-box input{width:100%;max-width:100%;padding:10px 12px;border:1px solid var(--border-color);border-radius:var(--border-radius);font-family:Montserrat,sans-serif;font-size:var(--font-size-body);background-color:var(--bg-primary);color:var(--text-primary);transition:border-color var(--transition-speed);min-height:48px}.search-box input:focus{outline:0;border-color:var(--link-color);box-shadow:0 0 0 3px rgba(59,130,246,.1)}[data-theme=dark] .search-box input:focus{box-shadow:0 0 0 3px rgba(59,130,246,.2)}.no-results{text-align:center;padding:var(--spacing-xxl);color:var(--text-secondary)}.pagination{display:flex;justify-content:center;align-items:center;gap:var(--spacing-sm);margin-top:var(--spacing-xl)}.pagination button{padding:var(--spacing-xs) var(--spacing-sm);background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--border-radius);color:var(--text-primary);font-weight:500;cursor:pointer;transition:all var(--transition-speed);font-family:Montserrat,sans-serif;min-width:40px}.pagination button:hover:not(:disabled){border-color:var(--link-color);background-color:var(--bg-primary)}.pagination button.active{background-color:var(--button-bg);color:var(--button-text);border-color:var(--button-bg)}.pagination button:disabled{opacity:.5;cursor:not-allowed}.blog-post-article{padding:var(--spacing-xxl) 0}.blog-post-header{margin-bottom:var(--spacing-xl)}.back-link{display:inline-block;margin-bottom:var(--spacing-md);color:var(--link-color);font-weight:500}.back-link:hover{opacity:.8}.post-meta{display:flex;gap:var(--spacing-sm);color:var(--text-secondary);font-size:var(--font-size-small);margin-bottom:var(--spacing-sm)}.post-title{font-size:2.5rem;margin-bottom:var(--spacing-md)}.post-tags{display:flex;flex-wrap:wrap;gap:var(--spacing-xs)}.post-tag{padding:4px 12px;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:4px;font-size:.75rem;color:var(--text-secondary);font-weight:500}.post-content{line-height:1.7}.post-content h2{margin-top:var(--spacing-xl);margin-bottom:var(--spacing-md)}.post-content h3{margin-top:var(--spacing-lg);margin-bottom:var(--spacing-sm)}.post-content p{margin-bottom:var(--spacing-md)}.post-content ol,.post-content ul{margin-bottom:var(--spacing-md);padding-left:var(--spacing-lg)}.post-content li{margin-bottom:var(--spacing-xs)}.post-content code{background-color:var(--bg-secondary);padding:2px 6px;border-radius:4px;font-size:.9em;font-family:"Courier New",monospace;color:var(--text-primary)}.post-content pre{background-color:var(--bg-secondary);padding:var(--spacing-md);border-radius:var(--border-radius);overflow-x:auto;margin-bottom:var(--spacing-md);border:1px solid var(--border-color)}.post-content pre code{background:0 0;padding:0;font-size:.875rem;line-height:1.6}.post-content h1,.post-content h2,.post-content h3,.post-content h4{margin-top:var(--spacing-xl);margin-bottom:var(--spacing-md);color:var(--text-primary)}.post-content h1{font-size:2rem;border-bottom:2px solid var(--border-color);padding-bottom:var(--spacing-sm)}.post-content h2{font-size:1.625rem;border-bottom:1px solid var(--border-color);padding-bottom:var(--spacing-xs)}.post-content h3{font-size:1.375rem}.post-content h4{font-size:1.125rem}.post-content ol,.post-content ul{margin-bottom:var(--spacing-md);padding-left:var(--spacing-lg)}.post-content li{margin-bottom:var(--spacing-xs);line-height:1.7}.post-content blockquote{margin:var(--spacing-md) 0;padding:var(--spacing-sm) var(--spacing-md);border-left:4px solid var(--color-primary);background-color:var(--bg-secondary);font-style:italic;color:var(--text-secondary)}.post-content table{width:100%;border-collapse:collapse;margin-bottom:var(--spacing-md);font-size:.9rem}.post-content td,.post-content th{padding:var(--spacing-xs) var(--spacing-sm);border:1px solid var(--border-color);text-align:left}.post-content th{background-color:var(--bg-secondary);font-weight:600;color:var(--text-primary)}.post-content img{max-width:100%;height:auto;border-radius:var(--border-radius);margin:var(--spacing-md) 0}.post-content hr{border:none;border-top:2px solid var(--border-color);margin:var(--spacing-xl) 0}.post-content a{color:var(--link-color);text-decoration:underline;transition:opacity var(--transition-speed)}.post-content a:hover{opacity:.8}.post-content strong{font-weight:600;color:var(--text-primary)}.post-content em{font-style:italic}.post-footer{margin-top:var(--spacing-xxl);padding-top:var(--spacing-xl);border-top:1px solid var(--border-color);text-align:center}.about-content{max-width:var(--reading-width);margin:0 auto}.about-section{margin-bottom:var(--spacing-xl)}.about-section h3{margin-bottom:var(--spacing-sm);color:var(--text-primary)}.about-section p{color:var(--text-secondary);line-height:1.6}