.navigation{position:fixed;top:0;left:0;right:0;z-index:1000;background:hsla(0,0%,100%,.95);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all .3s ease;border-bottom:1px solid transparent}.navigation.scrolled{background:hsla(0,0%,100%,.98);border-bottom-color:rgba(0,0,0,.1);box-shadow:0 2px 10px rgba(0,0,0,.05)}.nav-container{max-width:1200px;margin:0 auto;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center}.nav-logo{font-family:var(--font-serif);font-size:1.5rem;font-weight:500;color:var(--color-primary);letter-spacing:.05em;text-transform:uppercase}.nav-links{display:flex;list-style:none;gap:2rem;align-items:center}.nav-links a{font-size:.95rem;color:var(--color-text-dark);text-transform:uppercase;letter-spacing:.05em;font-weight:400;position:relative;padding:.5rem 1rem;border-radius:4px;transition:all .3s ease}.nav-links a:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:1px;background:var(--color-accent);transition:width .3s ease}.nav-links a:hover:after{width:100%}.nav-links a.active{background:rgba(0,0,0,.05);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 2px 8px rgba(0,0,0,.1)}.nav-links a.active:after{width:100%}.mobile-menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:5px}.mobile-menu-toggle span{width:25px;height:2px;background:var(--color-primary);transition:all .3s ease}@media (max-width:768px){.mobile-menu-toggle{display:flex}.nav-links{position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:2rem;gap:1.5rem;transform:translateY(-100%);opacity:0;visibility:hidden;transition:all .3s ease;border-top:1px solid rgba(0,0,0,.1)}.nav-links.open{transform:translateY(0);opacity:1;visibility:visible}.nav-container{padding:1rem 1.5rem}}