.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;padding:var(--space-lg) 0;background:var(--bg-glass);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);transition:all var(--transition-normal);}.site-header.scrolled{background:rgba(11,15,26,0.95);backdrop-filter:blur(30px);box-shadow:var(--shadow-md);}.header-container{display:flex;align-items:center;justify-content:space-between;max-width:1400px;margin:0 auto;padding:0 var(--space-xl);gap:var(--space-2xl);}.logo{font-family:var(--font-heading);font-size:1.75rem;font-weight:700;color:var(--text-primary);text-decoration:none;display:flex;align-items:center;gap:var(--space-sm);flex-shrink:0;}.logo img{height:40px;width:auto;}.main-nav{flex:1;display:flex;justify-content:center;}.nav-list{display:flex;align-items:center;gap:var(--space-2xl);list-style:none;margin:0;padding:0;}.nav-item{position:relative;}.nav-link{color:var(--text-secondary);font-weight:500;font-size:0.95rem;text-decoration:none;padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);transition:all var(--transition-fast);display:flex;align-items:center;gap:6px;flex:1;}.nav-link:hover{color:var(--text-primary);background:rgba(255,255,255,0.05);}.nav-link-container{display:flex;align-items:center;gap:2px;}.submenu-arrow{background:none;border:none;color:var(--text-secondary);padding:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);transition:all var(--transition-fast);}.submenu-arrow:hover{color:var(--text-primary);background:rgba(255,255,255,0.05);}.chevron{width:14px;height:14px;transition:transform var(--transition-normal);}.nav-item.active .chevron{transform:rotate(180deg);}@media (max-width:768px){.nav-link-container{justify-content:space-between;width:100%;padding:var(--space-sm) 0;}.submenu-arrow{padding:12px;background:rgba(255,255,255,0.03);}}.nav-link.active{color:var(--accent-cyan);position:relative;}.nav-link.active::after{content:'';position:absolute;bottom:-2px;left:var(--space-md);right:var(--space-md);height:2px;background:var(--gradient-accent);}.chevron{width:12px;height:12px;transition:transform var(--transition-normal);}.nav-item.active .chevron{transform:rotate(180deg);}.mega-menu{position:absolute;top:calc(100% + 1rem);left:50%;transform:translateX(-50%) translateY(-10px);width:max-content;min-width:800px;max-width:1100px;background:var(--bg-glass);backdrop-filter:blur(30px);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--space-2xl);opacity:0;visibility:hidden;pointer-events:none;transition:all 0.2s ease;box-shadow:var(--shadow-lg);z-index:100;}.nav-item.active .mega-menu,.nav-item:hover .mega-menu{opacity:1;visibility:visible;pointer-events:all;transform:translateX(-50%) translateY(0);}.mega-menu-inner{display:grid;grid-template-columns:1fr 1fr 0.8fr;gap:var(--space-2xl);}.mega-col{display:flex;flex-direction:column;}.mega-heading{font-size:0.85rem;font-weight:600;text-transform:uppercase;letter-spacing:0.05em;color:var(--text-muted);margin-bottom:var(--space-lg);}.mega-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px;}.mega-links li a{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);border-radius:var(--radius-md);text-decoration:none;transition:all var(--transition-fast);color:var(--text-secondary);}.mega-links li a:hover{background:rgba(34,211,238,0.1);color:var(--text-primary);transform:translateX(4px);}.mega-icon{font-size:1.5rem;min-width:28px;display:flex;align-items:center;justify-content:center;}.mega-link-title{display:block;font-weight:600;font-size:0.95rem;color:var(--text-primary);margin-bottom:2px;}.mega-link-desc{display:block;font-size:0.8rem;color:var(--text-muted);}.mega-view-all{margin-top:var(--space-md);padding-top:var(--space-md);border-top:1px solid var(--border-color);}.mega-view-all a{color:var(--accent-cyan);font-weight:600;font-size:0.9rem;}.mega-view-all a:hover{background:transparent;transform:translateX(0);color:var(--accent-blue);}.mega-links.needs-list li a{gap:var(--space-sm);}.mega-featured{position:relative;}.mega-featured-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:var(--space-xl);position:relative;overflow:hidden;}.mega-featured-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--gradient-primary);}.mega-featured-badge{display:inline-block;padding:4px 12px;background:rgba(34,211,238,0.15);border:1px solid rgba(34,211,238,0.3);border-radius:var(--radius-full);font-size:0.75rem;font-weight:600;text-transform:uppercase;letter-spacing:0.05em;color:var(--accent-cyan);margin-bottom:var(--space-md);}.mega-featured-card h4{font-size:1.1rem;margin-bottom:var(--space-sm);color:var(--text-primary);}.mega-featured-card p{font-size:0.9rem;color:var(--text-secondary);line-height:1.6;margin-bottom:var(--space-lg);}.mega-featured-link{display:inline-flex;align-items:center;gap:6px;color:var(--accent-cyan);font-weight:600;font-size:0.9rem;text-decoration:none;transition:all var(--transition-fast);}.mega-featured-link:hover{color:var(--accent-blue);gap:10px;}.mega-cta{margin-top:var(--space-xl);padding:var(--space-lg);background:rgba(59,130,246,0.05);border:1px solid rgba(59,130,246,0.2);border-radius:var(--radius-md);text-align:center;}.mega-cta p{font-size:0.9rem;color:var(--text-secondary);margin-bottom:var(--space-md);}.dropdown{position:absolute;top:calc(100% + 0.5rem);left:0;min-width:200px;background:var(--bg-glass);backdrop-filter:blur(30px);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:var(--space-sm);list-style:none;margin:0;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-10px);transition:all 0.2s ease;box-shadow:var(--shadow-md);z-index:100;}.nav-item.has-dropdown:hover .dropdown{opacity:1;visibility:visible;pointer-events:all;transform:translateY(0);}.dropdown li a{display:block;padding:var(--space-sm) var(--space-md);color:var(--text-secondary);text-decoration:none;border-radius:var(--radius-sm);font-size:0.9rem;transition:all var(--transition-fast);}.dropdown li a:hover{background:rgba(255,255,255,0.05);color:var(--text-primary);}.header-cta{flex-shrink:0;}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);font-family:var(--font-body);font-size:0.9rem;font-weight:600;border-radius:var(--radius-md);border:none;cursor:pointer;transition:all var(--transition-normal);text-decoration:none;}.btn-accent{background:var(--gradient-primary);color:white;box-shadow:0 4px 12px rgba(59,130,246,0.3);}.btn-accent:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(59,130,246,0.4);}.btn-sm{padding:8px 16px;font-size:0.85rem;}.mobile-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:var(--space-sm);margin-left:var(--space-md);}.mobile-toggle span{width:24px;height:2px;background:var(--text-primary);transition:all var(--transition-normal);border-radius:2px;}.mobile-toggle.active span:nth-child(1){transform:rotate(45deg) translateY(7px);}.mobile-toggle.active span:nth-child(2){opacity:0;}.mobile-toggle.active span:nth-child(3){transform:rotate(-45deg) translateY(-7px);}@media (max-width:1024px){.nav-list{gap:var(--space-lg);}.mega-menu{min-width:700px;}.mega-menu-inner{grid-template-columns:1fr 1fr;gap:var(--space-xl);}.mega-featured{grid-column:1 / -1;}}@media (max-width:768px){.header-container{padding:0 var(--space-lg);}.mobile-toggle{display:flex;}.main-nav{position:fixed;top:0;right:-100%;width:100%;max-width:400px;height:100vh;background:var(--bg-primary);backdrop-filter:blur(30px);border-left:1px solid var(--border-color);padding:var(--space-3xl) var(--space-xl);transition:right 0.3s ease;overflow-y:auto;z-index:1001;}.main-nav.active{right:0;}.nav-list{flex-direction:column;align-items:stretch;gap:0;width:100%;}.nav-item{width:100%;border-bottom:1px solid var(--border-color);}.nav-link{width:100%;padding:var(--space-lg);justify-content:space-between;}.mega-menu{position:static;transform:none;width:100%;min-width:auto;max-width:none;margin:0;padding:0;background:transparent;backdrop-filter:none;border:none;border-radius:0;box-shadow:none;max-height:0;overflow:hidden;transition:max-height 0.3s ease;}.nav-item.active .mega-menu{max-height:1000px;opacity:1;visibility:visible;pointer-events:all;}.mega-menu-inner{grid-template-columns:1fr;gap:var(--space-lg);padding:var(--space-lg);background:rgba(255,255,255,0.02);}.mega-col{border-bottom:1px solid var(--border-color);padding-bottom:var(--space-lg);}.mega-col:last-child{border-bottom:none;}.mega-links li a{padding:var(--space-sm) var(--space-md);}.mega-featured-card{padding:var(--space-lg);}.dropdown{position:static;transform:none;width:100%;margin:0;padding:0;background:transparent;backdrop-filter:none;border:none;box-shadow:none;max-height:0;overflow:hidden;transition:max-height 0.3s ease;}.nav-item.has-dropdown.active .dropdown{max-height:500px;opacity:1;visibility:visible;pointer-events:all;}.dropdown li a{padding:var(--space-md) var(--space-xl);background:rgba(255,255,255,0.02);}.header-cta{display:none;}.mobile-nav-overlay{position:fixed;top:0;left:0;width:100%;height:100vh;background:rgba(0,0,0,0.7);backdrop-filter:blur(5px);opacity:0;visibility:hidden;pointer-events:none;transition:all 0.3s ease;z-index:999;}.mobile-nav-overlay.active{opacity:1;visibility:visible;pointer-events:all;}}@media (max-width:480px){.main-nav{max-width:100%;padding:var(--space-2xl) var(--space-lg);}.logo{font-size:1.5rem;}}.nav-link:focus-visible,.mega-links li a:focus-visible,.dropdown li a:focus-visible{outline:2px solid var(--accent-cyan);outline-offset:2px;}.mobile-toggle:focus-visible{outline:2px solid var(--accent-cyan);outline-offset:4px;}.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;}@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important;}}