.navbar{background-color:var(--dark-primary);padding:0.8rem 1.5rem;box-shadow:0 4px 12px rgba(0,0,0,0.2);position:sticky;top:0;z-index:1000;display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.8rem;font-weight:700;color:var(--text-primary);text-decoration:none;position:relative;display:flex;align-items:center}.logo::after{content:'';position:absolute;bottom:-5px;left:0;width:0;height:3px;background:var(--accent-color);transition:var(--transition)}.logo:hover::after{width:100%}.nav-menu{display:flex;list-style:none;gap:1.5rem}.nav-link{color:var(--text-secondary);text-decoration:none;font-weight:500;position:relative;padding:0.5rem 0;transition:var(--transition)}.nav-link::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--accent-color);transition:var(--transition)}.nav-link:hover{color:var(--text-primary)}.nav-link:hover::after{width:100%}.hamburger{display:none;flex-direction:column;justify-content:space-between;width:30px;height:21px;cursor:pointer}.hamburger span{height:3px;width:100%;background-color:var(--text-primary);border-radius:3px;transition:var(--transition)}.hamburger.active span:nth-child(1){transform:translateY(9px) rotate(45deg)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}@media screen and (max-width:768px){.hamburger{display:flex}.nav-menu{position:fixed;left:-100%;top:70px;flex-direction:column;background-color:var(--dark-primary);width:100%;text-align:center;transition:0.3s;box-shadow:0 10px 27px rgba(0,0,0,0.2);padding:2rem 0;gap:0}.nav-menu.active{left:0}.nav-item{margin:1.5rem 0}.nav-link{padding:1rem;display:block}}