.header{height:var(--nav-height);z-index:1000;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--glass-border);background:#030305b3;align-items:center;display:flex;position:fixed;top:0;left:0;right:0}.header-content{justify-content:space-between;align-items:center;width:100%;display:flex}.logo{background:var(--gradient-text);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:1.5rem;font-weight:800}.nav{align-items:center;gap:2rem;display:flex}.nav-link{color:var(--text-secondary);font-size:.95rem;font-weight:500;transition:color .3s}.nav-link:hover{color:var(--text-color)}@media (max-width:768px){.logo{font-size:1.1rem}.btn-modern{padding:.6rem 1.2rem;font-size:.8rem}.container{padding:0 1rem}}