.main-header{background-color:var(--bg-surface);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:1000;backdrop-filter:blur(10px);box-shadow:var(--shadow-sm)}.navbar{padding:var(--space-4) 0}.navbar .container{display:flex;align-items:center;justify-content:space-between;gap:var(--space-6)}.navbar-brand{flex-shrink:0}.brand-link{display:flex;align-items:center;gap:var(--space-3);font-size:var(--text-xl);font-weight:700;color:var(--text-primary);text-decoration:none;transition:all var(--transition-fast)}.brand-link:hover{color:var(--primary-light);transform:scale(1.02)}.brand-link i{font-size:var(--text-2xl);color:var(--primary)}.brand-text{display:inline-block}@media (max-width:480px){.brand-text{display:none}}.navbar-menu{flex:1;display:flex;justify-content:center}.navbar-nav{display:flex;list-style:none;gap:var(--space-2);align-items:center}.nav-item{position:relative}.nav-link{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);color:var(--text-secondary);font-weight:500;font-size:var(--text-sm);border-radius:var(--radius-md);transition:all var(--transition-fast);white-space:nowrap}.nav-link:hover{color:var(--primary-light);background-color:var(--bg-hover)}.nav-link i{font-size:var(--text-base)}@media (max-width:768px){.nav-link span{display:none}.nav-link{padding:var(--space-2)}.nav-link i{font-size:var(--text-lg)}}.dropdown{position:relative}.dropdown-toggle::after{content:'\f107';font-family:'Font Awesome 6 Free';font-weight:900;margin-left:var(--space-1);font-size:var(--text-xs);transition:transform var(--transition-fast)}.dropdown:hover .dropdown-toggle::after,.dropdown.active .dropdown-toggle::after{transform:rotate(180deg)}.dropdown-menu{position:absolute;top:calc(100%+var(--space-2));left:50%;transform:translateX(-50%) translateY(-10px);min-width:280px;max-width:320px;background-color:var(--bg-elevated);border:1px solid 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i{font-size:var(--text-base);width:20px;text-align:center;color:var(--primary)}.dropdown-divider{height:1px;background-color:var(--border-color);margin:var(--space-3) 0}.navbar-actions{display:flex;align-items:center;gap:var(--space-2);flex-shrink:0}.language-selector{position:relative}.language-toggle{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);background-color:transparent;border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);font-size:var(--text-sm);font-weight:600}.language-toggle:hover{background-color:var(--bg-hover);border-color:var(--border-light);color:var(--primary-light)}.language-toggle i{font-size:var(--text-base)}.current-lang{font-size:var(--text-sm);text-transform:uppercase}.language-dropdown{position:absolute;top:calc(100%+var(--space-2));right:0;min-width:180px;background-color:var(--bg-elevated);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);padding:var(--space-2);opacity:0;visibility:hidden;transform:translateY(-10px);transition:all var(--transition-normal);z-index:100}.language-selector:hover .language-dropdown,.language-selector.active .language-dropdown{opacity:1;visibility:visible;transform:translateY(0)}.language-option{display:flex;align-items:center;justify-content:space-between;padding:var(--space-2) var(--space-3);color:var(--text-secondary);text-decoration:none;border-radius:var(--radius-md);transition:all var(--transition-fast);font-size:var(--text-sm)}.language-option:hover{background-color:var(--bg-hover);color:var(--primary-light)}.language-option.active{background-color:var(--primary);color:white}.language-option.active:hover{background-color:var(--primary-hover)}.lang-code{font-weight:700;font-size:var(--text-sm);text-transform:uppercase}.lang-name{font-size:var(--text-xs);opacity:0.8}.mobile-menu-toggle,.theme-toggle,.mobile-overlay{display:none !important}.notification-banner{padding:var(--space-3);background-color:var(--info);color:white;text-align:center;font-size:var(--text-sm)}.notification-banner.success{background-color:var(--success)}.notification-banner.warning{background-color:var(--warning)}.notification-banner.error{background-color:var(--error)}.notification-banner .container{display:flex;align-items:center;justify-content:center;gap:var(--space-3)}.notification-close{background:none;border:none;color:white;cursor:pointer;font-size:var(--text-lg);padding:var(--space-1);opacity:0.8;transition:opacity var(--transition-fast)}.notification-close:hover{opacity:1}.main-footer{background-color:var(--bg-surface);border-top:1px solid var(--border-color);padding:var(--space-16) 0 var(--space-8);margin-top:var(--space-16)}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--space-8);margin-bottom:var(--space-8)}.footer-section{display:contents}.footer-brand{grid-column:1 / -1;margin-bottom:var(--space-6)}.footer-brand i{font-size:var(--text-3xl);color:var(--primary);margin-bottom:var(--space-3)}.footer-brand h3{font-size:var(--text-2xl);margin-bottom:var(--space-3);color:var(--text-primary)}.footer-brand p{color:var(--text-secondary);max-width:600px;line-height:1.8}.footer-links h4,.footer-info h4,.footer-social 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var(--transition-fast);text-decoration:none}.social-link:hover{background-color:var(--primary);border-color:var(--primary);color:white;transform:translateY(-2px);box-shadow:var(--shadow-lg)}.footer-bottom{border-top:1px solid var(--border-color);padding-top:var(--space-6);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--space-4)}.footer-copyright p{color:var(--text-muted);font-size:var(--text-sm);margin:0}.footer-copyright .version{color:var(--text-muted);font-size:var(--text-xs);opacity:0.7}.footer-tech{display:flex;align-items:center;gap:var(--space-2);font-size:var(--text-sm);color:var(--text-muted)}.footer-tech a{color:var(--primary);text-decoration:none}.footer-tech a:hover{color:var(--primary-light)}.separator{color:var(--border-color)}.scroll-to-top{position:fixed;bottom:var(--space-6);right:var(--space-6);width:50px;height:50px;background-color:var(--primary);color:white;border:none;border-radius:var(--radius-xl);font-size:var(--text-xl);cursor:pointer;opacity:0;visibility:hidden;transition:all var(--transition-normal);box-shadow:var(--shadow-lg);z-index:999}.scroll-to-top.visible{opacity:1;visibility:visible}.scroll-to-top:hover{background-color:var(--primary-hover);transform:translateY(-4px);box-shadow:var(--shadow-xl)}.ad-space{padding:var(--space-8) 0;text-align:center}.ad-placeholder{background-color:var(--bg-surface);border:2px dashed var(--border-color);border-radius:var(--radius-lg);padding:var(--space-8);color:var(--text-muted);font-size:var(--text-sm)}@media (max-width:1024px){.navbar-nav{gap:var(--space-1)}.nav-link{padding:var(--space-2) var(--space-3);font-size:var(--text-xs)}}@media (max-width:768px){.footer-content{grid-template-columns:1fr}.footer-bottom{flex-direction:column;text-align:center}.social-links{justify-content:center}}@media (max-width:480px){.navbar .container{gap:var(--space-3)}.navbar-menu{flex:0}.dropdown-menu{min-width:240px}.scroll-to-top{width:44px;height:44px;bottom:var(--space-4);right:var(--space-4)}}