.header{background-color:var(--header-bg);position:-webkit-sticky;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,.3)}.header-container{justify-content:space-between;padding:1rem 20px;max-width:1200px;margin:0 auto}.header-container,.logo{display:flex;align-items:center}.logo{height:40px;width:auto}.logo img{height:100%;width:auto}.nav{gap:2rem}.nav,.nav-menu{display:flex;align-items:center}.nav-menu{list-style:none;gap:1.5rem}.nav-menu a{color:var(--text-primary);font-weight:500;transition:color .3s ease;position:relative}.nav-menu a.active,.nav-menu a:hover{color:var(--accent-color)}.nav-menu a.active:after{content:"";position:absolute;bottom:-5px;left:0;right:0;height:2px;background-color:var(--accent-color)}.header-actions{display:flex;gap:1rem;align-items:center}.burger-menu{display:none;flex-direction:column;gap:5px;background:transparent;border:none;cursor:pointer;padding:5px}.burger-menu span{width:25px;height:3px;background-color:var(--text-primary);transition:all .3s ease}.burger-menu.active span:first-child{transform:rotate(45deg) translate(5px,4px)}.burger-menu.active span:nth-child(2){opacity:0}.burger-menu.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-7px)}@media (max-width:1024px){.nav-menu{gap:1rem}.header-actions{gap:.5rem}.header-actions .btn{padding:10px 20px;font-size:14px}}@media (max-width:1200px){.burger-menu{display:flex}.nav-menu{position:absolute;top:100%;left:0;width:100%;background-color:var(--header-bg);flex-direction:column;align-items:center;padding:2rem;gap:1.5rem;transform:translateX(-100%);transition:transform .3s ease;box-shadow:0 4px 8px rgba(0,0,0,.3)}.nav-menu.active{transform:translateX(0)}.header-actions{gap:.5rem}.header-actions .btn{padding:8px 16px;font-size:12px}}@media (max-width:480px){.header-actions{width:100%;justify-content:center;order:3;margin-top:15px}.header-actions a{width:100%}.header-container{flex-wrap:wrap}}