*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}:root{--primary:#0066cc;--primary-dark:#0052a3;--primary-light:#3385d6;--secondary:#ff6b35;--accent:#00d4aa;--dark:#1a1a1a;--gray-900:#2d2d2d;--gray-800:#3d3d3d;--gray-700:#555555;--gray-600:#666666;--gray-500:#888888;--gray-400:#aaaaaa;--gray-300:#cccccc;--gray-200:#e0e0e0;--gray-100:#f0f0f0;--gray-50:#f8f8f8;--white:#ffffff;--success:#28a745;--warning:#ffc107;--error:#dc3545;--info:#17a2b8;--space-xs:0.5rem;--space-sm:1rem;--space-md:1.5rem;--space-lg:2rem;--space-xl:3rem;--space-2xl:4rem;--font-sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;--font-mono:'SF Mono',Monaco,'Cascadia Code','Roboto Mono',Consolas,'Courier New',monospace;--font-size-xs:0.75rem;--font-size-sm:0.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:1.875rem;--font-size-4xl:2.25rem;--shadow-sm:0 1px 2px 0 rgba(0,0,0,0.05);--shadow:0 1px 3px 0 rgba(0,0,0,0.1),0 1px 2px 0 rgba(0,0,0,0.06);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.1),0 2px 4px -1px rgba(0,0,0,0.06);--shadow-lg:0 10px 15px -3px rgba(0,0,0,0.1),0 4px 6px -2px rgba(0,0,0,0.05);--shadow-xl:0 20px 25px -5px rgba(0,0,0,0.1),0 10px 10px -5px rgba(0,0,0,0.04);--radius-sm:0.25rem;--radius:0.375rem;--radius-md:0.5rem;--radius-lg:0.75rem;--radius-xl:1rem;--radius-full:9999px;--transition:all 0.3s cubic-bezier(0.4,0,0.2,1);--transition-fast:all 0.15s cubic-bezier(0.4,0,0.2,1)}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-sans);font-size:var(--font-size-base);line-height:1.7;color:var(--dark);background-color:var(--gray-50);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:1200px;margin:0 auto;padding:0 var(--space-md)}.site-header{background:var(--white);border-bottom:1px solid var(--gray-200);position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm)}.site-header .container{display:flex;justify-content:space-between;align-items:center;padding-top:var(--space-md);padding-bottom:var(--space-md)}.logo h1{font-size:var(--font-size-2xl);font-weight:800;color:var(--primary);letter-spacing:-0.5px}.logo h1::before{content:"⚡";margin-right:0.5rem}nav ul{display:flex;gap:var(--space-lg);list-style:none;align-items:center}nav a{color:var(--gray-700);text-decoration:none;font-weight:600;font-size:var(--font-size-sm);text-transform:uppercase;letter-spacing:0.5px;transition:var(--transition-fast);padding:0.5rem 0;position:relative}nav a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--primary);transition:var(--transition-fast)}nav a:hover{color:var(--primary)}nav a:hover::after{width:100%}.mobile-menu-toggle{display:none;flex-direction:column;justify-content:space-around;width:2rem;height:2rem;background:transparent;border:none;cursor:pointer;padding:0;z-index:101;transition:var(--transition)}.mobile-menu-toggle span{width:2rem;height:0.25rem;background:var(--dark);border-radius:10px;transition:var(--transition);position:relative;transform-origin:1px}.mobile-menu-toggle.active span:nth-child(1){transform:rotate(45deg)}.mobile-menu-toggle.active span:nth-child(2){opacity:0;transform:translateX(20px)}.mobile-menu-toggle.active span:nth-child(3){transform:rotate(-45deg)}.breadcrumb{background:var(--white);padding:var(--space-sm) 0;font-size:var(--font-size-sm);border-bottom:1px solid var(--gray-100)}.breadcrumb a{color:var(--primary);text-decoration:none;transition:var(--transition-fast)}.breadcrumb a:hover{color:var(--primary-dark);text-decoration:underline}.breadcrumb span{color:var(--gray-600)}.article-container{padding:var(--space-xl) 0}.article-container .container{display:grid;grid-template-columns:1fr 280px;gap:var(--space-xl);align-items:start}.article-content{background:var(--white);padding:var(--space-2xl);border-radius:var(--radius-lg);box-shadow:var(--shadow)}.article-meta{display:flex;flex-wrap:wrap;gap:var(--space-md);align-items:center;margin-bottom:var(--space-xl);padding-bottom:var(--space-md);border-bottom:2px solid var(--gray-100);font-size:var(--font-size-sm)}.category-badge{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:var(--white);padding:0.375rem 1rem;border-radius:var(--radius-full);font-weight:700;font-size:var(--font-size-xs);text-transform:uppercase;letter-spacing:0.5px;box-shadow:var(--shadow-sm)}.article-meta span{color:var(--gray-600);display:flex;align-items:center;gap:0.375rem}.article-body h1{font-size:var(--font-size-4xl);font-weight:900;line-height:1.2;margin-bottom:var(--space-lg);color:var(--dark);letter-spacing:-1px}.article-body h2{font-size:var(--font-size-3xl);font-weight:800;line-height:1.3;margin-top:var(--space-2xl);margin-bottom:var(--space-lg);color:var(--dark);padding-bottom:var(--space-sm);border-bottom:3px solid var(--primary);letter-spacing:-0.5px}.article-body h2::before{content:"▸";color:var(--primary);margin-right:var(--space-sm)}.article-body h3{font-size:var(--font-size-2xl);font-weight:700;line-height:1.4;margin-top:var(--space-xl);margin-bottom:var(--space-md);color:var(--gray-900)}.article-body h4{font-size:var(--font-size-xl);font-weight:700;margin-top:var(--space-lg);margin-bottom:var(--space-sm);color:var(--gray-800)}.article-body p{margin-bottom:var(--space-md);line-height:1.8;color:var(--gray-700)}.article-body strong{font-weight:700;color:var(--dark)}.article-body em{font-style:italic;color:var(--gray-800)}.article-body a{color:var(--primary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px;transition:var(--transition-fast)}.article-body a:hover{color:var(--primary-dark);text-decoration-thickness:2px}.article-body ul,.article-body ol{margin-bottom:var(--space-md);margin-left:var(--space-lg);color:var(--gray-700)}.article-body li{margin-bottom:var(--space-xs);line-height:1.7;padding-left:var(--space-xs)}.article-body ul li{list-style:none;position:relative}.article-body ul li::before{content:"▪";color:var(--primary);font-weight:bold;position:absolute;left:-1.25rem}.article-body blockquote{margin:var(--space-lg) 0;padding:var(--space-md) var(--space-lg);border-left:4px solid var(--primary);background:linear-gradient(90deg,var(--gray-50),var(--white));border-radius:var(--radius);font-style:italic;color:var(--gray-800);box-shadow:var(--shadow-sm)}.article-body blockquote p:last-child{margin-bottom:0}.article-body code{background:var(--gray-100);color:var(--error);padding:0.2rem 0.5rem;border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:0.9em;font-weight:600;border:1px solid var(--gray-200)}.article-body pre{background:var(--bg-code);color:#abb2bf;padding:var(--space-lg);border-radius:var(--radius-md);overflow-x:auto;margin:var(--space-lg) 0;box-shadow:var(--shadow-md);position:relative}.article-body pre code{background:none;color:inherit;padding:0;border:none;font-size:0.875rem;line-height:1.6}.copy-code-btn{position:absolute;top:var(--space-sm);right:var(--space-sm);padding:0.375rem 0.75rem;background:rgba(255,255,255,0.1);color:var(--white);border:1px solid rgba(255,255,255,0.2);border-radius:var(--radius);font-size:var(--font-size-xs);font-weight:600;cursor:pointer;transition:var(--transition-fast)}.copy-code-btn:hover{background:rgba(255,255,255,0.2)}.article-body table{width:100%;border-collapse:separate;border-spacing:0;margin:var(--space-lg) 0;box-shadow:var(--shadow);border-radius:var(--radius-md);overflow:hidden}.article-body th,.article-body td{padding:var(--space-md);text-align:left;border-bottom:1px solid var(--gray-200)}.article-body th{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:var(--white);font-weight:700;text-transform:uppercase;font-size:var(--font-size-sm);letter-spacing:0.5px}.article-body tr:nth-child(even){background:var(--gray-50)}.article-body tr:last-child td{border-bottom:none}.article-body tr:hover{background:var(--gray-100)}.article-body img{max-width:100%;height:auto;border-radius:var(--radius-md);margin:var(--space-xl) 0;box-shadow:var(--shadow-lg);transition:var(--transition)}.article-body img:hover{transform:scale(1.02);box-shadow:var(--shadow-xl)}.article-footer{margin-top:var(--space-2xl);padding-top:var(--space-xl);border-top:2px solid var(--gray-200)}.tags{margin-bottom:var(--space-xl)}.tags strong{display:block;margin-bottom:var(--space-md);font-size:var(--font-size-lg);color:var(--dark)}.tag{display:inline-block;background:var(--gray-100);color:var(--gray-700);padding:0.5rem 1rem;border-radius:var(--radius-full);margin-right:var(--space-sm);margin-bottom:var(--space-sm);font-size:var(--font-size-sm);font-weight:600;text-decoration:none;border:2px solid transparent;transition:var(--transition-fast)}.tag:hover{background:var(--primary);color:var(--white);border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.share-buttons{margin-top:var(--space-xl)}.share-buttons h3{margin-bottom:var(--space-md);font-size:var(--font-size-lg);color:var(--dark)}.share-btn{display:inline-block;padding:0.75rem 1.5rem;margin-right:var(--space-sm);margin-bottom:var(--space-sm);border-radius:var(--radius-md);color:var(--white);text-decoration:none;font-weight:700;font-size:var(--font-size-sm);transition:var(--transition);box-shadow:var(--shadow)}.share-btn:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}.share-btn.facebook{background:linear-gradient(135deg,#1877f2,#0d65d9)}.share-btn.twitter{background:linear-gradient(135deg,#1da1f2,#0c85d0)}.share-btn.linkedin{background:linear-gradient(135deg,#0077b5,#005e94)}.share-btn.whatsapp{background:linear-gradient(135deg,#25d366,#1ebe57)}.sidebar{display:flex;flex-direction:column;gap:var(--space-lg);position:sticky;top:calc(70px + var(--space-md))}.widget{background:var(--white);padding:var(--space-lg);border-radius:var(--radius-lg);box-shadow:var(--shadow);border-top:4px solid var(--primary)}.widget h3{font-size:var(--font-size-lg);margin-bottom:var(--space-md);color:var(--dark);font-weight:800}.toc-widget #table-of-contents{font-size:var(--font-size-sm);max-height:calc(100vh - 250px);overflow-y:auto;overflow-x:hidden;padding-right:var(--space-xs);scroll-behavior:smooth}.toc-widget #table-of-contents::-webkit-scrollbar{width:6px}.toc-widget #table-of-contents::-webkit-scrollbar-track{background:var(--gray-100);border-radius:3px}.toc-widget #table-of-contents::-webkit-scrollbar-thumb{background:var(--gray-400);border-radius:3px}.toc-widget #table-of-contents::-webkit-scrollbar-thumb:hover{background:var(--primary-color)}.toc-list{list-style:none}.toc-h2{margin-bottom:var(--space-sm)}.toc-h2>a{font-weight:700;color:var(--dark)}.toc-nested{list-style:none;margin-top:var(--space-xs);margin-left:var(--space-md)}.toc-h3{margin-bottom:var(--space-xs)}.toc-widget a{color:var(--gray-700);text-decoration:none;display:block;padding:var(--space-xs) 0;transition:var(--transition-fast);position:relative;padding-left:var(--space-md)}.toc-widget a::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:0;background:var(--primary);transition:var(--transition-fast)}.toc-widget a:hover,.toc-widget a.active{color:var(--primary);padding-left:var(--space-lg)}.toc-widget a.active{font-weight:600;background:rgba(37,99,235,0.05);border-radius:4px}.toc-widget a:hover::before,.toc-widget a.active::before{height:100%}.categories-list,.related-articles{list-style:none}.categories-list li,.related-articles li{margin-bottom:var(--space-sm)}.categories-list a,.related-articles a{color:var(--gray-700);text-decoration:none;display:block;padding:var(--space-sm);border-radius:var(--radius);transition:var(--transition-fast);font-weight:600}.categories-list a:hover,.related-articles a:hover{background:var(--gray-50);color:var(--primary);padding-left:var(--space-md)}.newsletter-widget{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:var(--white);border-top-color:var(--primary-dark)}.newsletter-widget h3{color:var(--white)}.newsletter-widget p{margin-bottom:var(--space-md);font-size:var(--font-size-sm);opacity:0.95}.newsletter-form{display:flex;flex-direction:column;gap:var(--space-sm)}.newsletter-form input{padding:var(--space-sm);border:2px solid rgba(255,255,255,0.3);border-radius:var(--radius);font-family:var(--font-sans);background:rgba(255,255,255,0.1);color:var(--white);font-size:var(--font-size-sm)}.newsletter-form input::placeholder{color:rgba(255,255,255,0.7)}.newsletter-form input:focus{outline:none;border-color:var(--white);background:rgba(255,255,255,0.2)}.newsletter-form button{padding:var(--space-sm);background:var(--white);color:var(--primary);border:none;border-radius:var(--radius);font-weight:700;font-size:var(--font-size-sm);cursor:pointer;transition:var(--transition);text-transform:uppercase;letter-spacing:0.5px}.newsletter-form button:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.site-footer{background:var(--dark);color:var(--gray-300);padding:var(--space-2xl) 0 var(--space-lg);margin-top:var(--space-2xl)}.footer-content{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-xl);margin-bottom:var(--space-xl)}.footer-section h4{color:var(--white);margin-bottom:var(--space-md);font-size:var(--font-size-lg);font-weight:700}.footer-section ul{list-style:none}.footer-section li{margin-bottom:var(--space-sm)}.footer-section a{color:var(--gray-400);text-decoration:none;transition:var(--transition-fast)}.footer-section a:hover{color:var(--white);padding-left:var(--space-xs)}.social-links{display:flex;gap:var(--space-sm);flex-wrap:wrap}.social-icon{display:inline-block;padding:var(--space-sm) var(--space-md);background:rgba(255,255,255,0.1);border-radius:var(--radius);transition:var(--transition);font-size:var(--font-size-sm);font-weight:600}.social-icon:hover{background:var(--primary);transform:translateY(-2px)}.footer-bottom{padding-top:var(--space-md);border-top:1px solid rgba(255,255,255,0.1);text-align:center;color:var(--gray-500);font-size:var(--font-size-sm)}.reading-progress{position:fixed;top:0;left:0;width:0%;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));z-index:1000;transition:width 0.1s ease}.print-btn{display:inline-block;padding:var(--space-sm) var(--space-lg);background:var(--gray-100);color:var(--dark);border:2px solid var(--gray-300);border-radius:var(--radius);font-weight:700;cursor:pointer;transition:var(--transition);margin-bottom:var(--space-md)}.print-btn:hover{background:var(--dark);color:var(--white);border-color:var(--dark)}@media (max-width:1024px){.article-container .container{grid-template-columns:1fr}.sidebar{position:static;grid-row:1}}@media (max-width:768px){:root{--space-xl:2rem;--space-2xl:2.5rem}.mobile-menu-toggle{display:flex}nav{position:fixed;top:0;right:-100%;width:70%;max-width:300px;height:100vh;background:var(--white);box-shadow:var(--shadow-xl);padding:var(--space-2xl) var(--space-lg);transition:right 0.3s cubic-bezier(0.4,0,0.2,1);z-index:100;overflow-y:auto}nav.active{right:0}nav ul{flex-direction:column;gap:0;align-items:stretch}nav li{border-bottom:1px solid var(--gray-100)}nav a{display:block;padding:var(--space-md);font-size:var(--font-size-base)}nav a::after{display:none}.mobile-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5);opacity:0;visibility:hidden;transition:var(--transition);z-index:99}.mobile-overlay.active{opacity:1;visibility:visible}.article-content{padding:var(--space-lg)}.article-body h1{font-size:var(--font-size-3xl)}.article-body h2{font-size:var(--font-size-2xl)}.article-body h3{font-size:var(--font-size-xl)}.article-meta{flex-direction:column;align-items:flex-start;gap:var(--space-sm)}.footer-content{grid-template-columns:1fr;gap:var(--space-lg)}.share-btn{display:block;width:100%;text-align:center}}@media (max-width:480px){.logo h1{font-size:var(--font-size-xl)}.article-body h1{font-size:var(--font-size-2xl)}nav{width:85%;max-width:none}}@media print{.site-header,.breadcrumb,.sidebar,.article-footer,.site-footer,.reading-progress,.print-btn{display:none !important}.article-container .container{grid-template-columns:1fr}.article-content{box-shadow:none;padding:0}.article-body a{text-decoration:none;color:var(--dark)}.article-body a::after{content:" (" attr(href) ")";font-size:0.8em;color:var(--gray-600)}}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.article-content,.widget{animation:fadeIn 0.4s ease-out}:focus-visible{outline:3px solid var(--primary);outline-offset:2px}.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}.text-center{text-align:center}.text-right{text-align:right}.font-bold{font-weight:700}.font-black{font-weight:900}.uppercase{text-transform:uppercase}.mt-0{margin-top:0}.mb-0{margin-bottom:0}.page-hero{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);color:var(--white);padding:4rem 0;margin-bottom:3rem;text-align:center}.page-hero h1{font-size:2.5rem;font-weight:900;margin-bottom:1rem;letter-spacing:-1px}.page-hero p{font-size:1.25rem;opacity:0.95;max-width:600px;margin:0 auto}.page-content{padding:0 0 4rem 0}.category-section{background:var(--white);padding:2rem;margin-bottom:2rem;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);transition:var(--transition-base)}.category-section:hover{box-shadow:var(--shadow-lg)}.category-section h2{color:var(--primary);margin-bottom:1.5rem;padding-bottom:0.5rem;border-bottom:3px solid var(--primary);text-transform:capitalize;display:flex;align-items:center;justify-content:space-between}.article-count{background:var(--primary);color:var(--white);padding:0.25rem 0.75rem;border-radius:20px;font-size:0.875rem;font-weight:600}.article-list{list-style:none;padding:0}.article-list li{padding:1rem 0;border-bottom:1px solid var(--gray-200);transition:var(--transition-fast)}.article-list li:last-child{border-bottom:none}.article-list li:hover{background:var(--gray-50);padding-left:1rem;margin:0 -1rem}.article-list a{color:var(--dark);text-decoration:none;font-weight:600;font-size:1.1rem;transition:var(--transition-fast);display:block}.article-list a:hover{color:var(--primary)}.content-section{background:var(--white);padding:3rem;margin-bottom:2rem;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);max-width:800px;margin-left:auto;margin-right:auto}.content-section h2{color:var(--primary);margin-top:2rem;margin-bottom:1rem;font-size:1.75rem}.content-section h2:first-of-type{margin-top:0}.content-section p{line-height:1.8;margin-bottom:1.5rem;color:var(--gray-700)}.content-section ul{line-height:2;color:var(--gray-700);margin-left:2rem;margin-bottom:1.5rem}.content-section a{color:var(--primary);font-weight:600;text-decoration:none}.content-section a:hover{text-decoration:underline}.values{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-top:2rem}.value-card{background:var(--gray-50);padding:2rem;border-radius:var(--radius-md);border-left:4px solid var(--primary);transition:var(--transition-base)}.value-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.value-card h3{color:var(--primary);margin-bottom:0.5rem}.value-card p{color:var(--gray-700);line-height:1.6}.contact-container{display:grid;grid-template-columns:1fr 1fr;gap:3rem;max-width:1000px;margin:0 auto}.contact-info,.contact-form{background:var(--white);padding:2rem;border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.contact-info h2,.contact-form h2{color:var(--primary);margin-bottom:1.5rem}.contact-item{display:flex;align-items:start;margin-bottom:1.5rem;padding:1rem;background:var(--gray-50);border-radius:var(--radius-md);transition:var(--transition-fast)}.contact-item:hover{background:var(--gray-100)}.contact-item-icon{font-size:1.5rem;margin-right:1rem}.contact-item-content h3{margin-bottom:0.25rem;color:var(--dark)}.contact-item-content p{color:var(--gray-600);margin:0}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:0.5rem;font-weight:600;color:var(--dark)}.form-group input,.form-group textarea{width:100%;padding:0.75rem;border:2px solid var(--gray-300);border-radius:var(--radius-md);font-family:inherit;font-size:1rem;transition:var(--transition-fast)}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,102,204,0.1)}.form-group textarea{min-height:150px;resize:vertical}.submit-btn{background:var(--primary);color:var(--white);padding:1rem 2rem;border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:600;cursor:pointer;transition:var(--transition-fast);width:100%}.submit-btn:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-md)}.submit-btn:active{transform:translateY(0)}@media (max-width:768px){.page-hero h1{font-size:2rem}.page-hero p{font-size:1rem}.contact-container{grid-template-columns:1fr}.content-section{padding:2rem 1.5rem}.category-section{padding:1.5rem}.article-list a{font-size:1rem}}@media (max-width:480px){.page-hero{padding:3rem 0}.values{grid-template-columns:1fr}}