.header{position:fixed;top:0;left:0;right:0;z-index:1000;transition:all var(--transition);padding:1rem 0;background:rgba(255,255,255,.86);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid rgba(226,232,240,.72)}.header-scrolled{background:rgba(255,255,255,.95);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow-sm);padding:.75rem 0}.nav{justify-content:space-between}.logo-link,.nav{display:flex;align-items:center}.logo-link{gap:.625rem}.logo-img{width:36px;height:36px;object-fit:contain;border-radius:9px;flex-shrink:0}.logo-text{font-family:var(--font-display);font-size:1.4rem;font-weight:800;letter-spacing:0}.header-scrolled .logo-text,.logo-text{color:var(--gray-900)}.nav-links{display:flex;align-items:center;gap:2rem}.nav-link{font-weight:500;color:var(--gray-600);transition:color var(--transition);position:relative}.header-scrolled .nav-link{color:var(--gray-700)}.nav-link:hover{color:var(--primary)}.nav-link:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--primary);transition:width var(--transition)}.nav-link:hover:after{width:100%}.nav-actions{display:flex;align-items:center;gap:1rem}.mobile-menu-btn{padding:.5rem}.header-scrolled .mobile-menu-btn,.mobile-menu-btn{color:var(--gray-700)}.mobile-menu{position:absolute;top:100%;left:0;right:0;background:white;border-top:1px solid var(--gray-200);box-shadow:var(--shadow-lg);overflow:hidden}.mobile-nav-link{display:block;padding:1rem 0;font-weight:500;color:var(--gray-700);border-bottom:1px solid var(--gray-100)}.mobile-cta{margin:1rem 0;width:100%}