.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)}.menu-arrow-btn{background:none;border:none;color:var(--text-secondary);padding:8px;margin-left:4px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);transition:all var(--transition-fast);flex-shrink:0}.menu-arrow-btn:hover{color:var(--text-primary);background:rgba(255,255,255,0.08);transform:scale(1.05)}.menu-arrow-btn:focus{outline:2px solid var(--accent-cyan);outline-offset:2px}.menu-arrow-btn:active{transform:scale(0.95)}.nav-item.active .menu-arrow-btn .chevron{transform:rotate(180deg)}.nav-item.active .menu-arrow-btn{color:var(--accent-cyan)}.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:95vw;max-width:1100px;min-width:280px;background:var(--bg-glass);backdrop-filter:blur(30px);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--space-lg);height:auto;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{opacity:1;visibility:visible;pointer-events:all;transform:translateX(-50%) translateY(0)}.mega-menu-inner{display:grid;grid-template-columns:1fr 1fr 0.7fr;gap:var(--space-md);height:auto}.mega-col{display:flex;flex-direction:column}.mega-heading{font-size:0.7rem;font-weight:600;text-transform:uppercase;letter-spacing:0.05em;color:var(--text-muted);margin-bottom:var(--space-sm)}.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:10px;padding:6px var(--space-sm);border-radius:var(--radius-sm);text-decoration:none;transition:all var(--transition-fast);color:var(--text-secondary);font-size:0.85rem}.mega-links li a:hover{background:rgba(34,211,238,0.1);color:var(--text-primary);transform:translateX(4px)}.mega-icon{font-size:1rem;min-width:20px;display:flex;align-items:center;justify-content:center}.mega-link-title{display:inline;font-weight:600;font-size:0.8rem;color:var(--text-primary);margin-right:8px}.mega-link-desc{display:inline;font-size:0.7rem;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-md);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:0.9rem;margin-bottom:var(--space-xs);color:var(--text-primary)}.mega-featured-card p{font-size:0.78rem;color:var(--text-secondary);line-height:1.5;margin-bottom:var(--space-sm)}.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% + 1rem);left:0;min-width:220px;background:var(--bg-glass);backdrop-filter:blur(30px);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--space-md);list-style:none;margin:0;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-10px);transition:all 0.2s ease;box-shadow:var(--shadow-lg);z-index:100}.nav-item.has-dropdown.active .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:1200px){.mega-menu{width:90vw;max-width:900px}.mega-menu-inner{gap:var(--space-xl)}.mega-link-title{font-size:0.9rem}.mega-link-desc{font-size:0.75rem}}@media (max-width:1024px){.nav-list{gap:var(--space-lg)}.mega-menu{width:90vw;max-width:800px;padding:var(--space-xl)}.mega-menu-inner{grid-template-columns:1fr 1fr;gap:var(--space-xl)}.mega-featured{grid-column:1 / -1}}@media (max-width:900px){.mega-menu{width:85vw;padding:var(--space-lg)}.mega-menu-inner{grid-template-columns:1fr;gap:var(--space-lg)}.mega-col{border-bottom:1px solid rgba(255,255,255,0.1);padding-bottom:var(--space-lg)}.mega-col:last-child{border-bottom:none}}@media (max-width:768px){.header-container{padding:0 var(--space-lg)}.mobile-toggle{display:flex}.menu-arrow-btn{padding:12px;background:rgba(255,255,255,0.03);margin-left:auto}.menu-arrow-btn:hover{background:rgba(255,255,255,0.08)}.main-nav{position:fixed;top:0;right:-100%;width:100%;max-width:400px;height:100dvh;min-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:100dvh;min-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}}