.site-header{background-color:rgba(255,255,255,.85);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 2px 8px rgba(0,0,0,.08);position:-webkit-sticky;position:sticky;top:0;z-index:1000}.header-container{max-width:1200px;margin:0 auto;padding:1rem 2rem;justify-content:space-between}.header-container,.logo{display:flex;align-items:center}.logo{z-index:1002;transition:opacity .3s ease,visibility .3s ease}.logo a{display:block;line-height:0}.hamburger{display:none;flex-direction:column;justify-content:space-around;width:2rem;height:2rem;background:transparent;border:none;cursor:pointer;padding:0;z-index:1002;position:relative}.hamburger span{width:2rem;height:.2rem;background-color:#333;border-radius:10px;transition:all .3s ease;transform-origin:center}.hamburger.open span:first-child{transform:translateY(.6rem) rotate(45deg)}.hamburger.open span:nth-child(2){opacity:0}.hamburger.open span:nth-child(3){transform:translateY(-.6rem) rotate(-45deg)}.main-nav ul{display:flex;list-style:none;margin:0;padding:0;gap:2rem}.main-nav li{margin:0}.main-nav a{color:#333;text-decoration:none;font-weight:500;font-size:1rem;transition:color .2s ease;padding:.5rem 0;display:block}.main-nav a.active,.main-nav a:hover{color:rgb(240,177,0)}.main-nav a.active{font-weight:600;border-bottom:2px solid rgb(240,177,0)}.nav-backdrop{display:none}@media (min-width:769px){.hamburger{display:none!important}}@media (max-width:768px){.header-container{padding:1rem}.logo img{max-width:120px;height:auto}.logo.menu-open{opacity:0;visibility:hidden}.hamburger{display:flex}.main-nav{position:fixed;top:0;left:0;width:100%;height:100vh;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:1001}.main-nav.open{opacity:1;visibility:visible}.nav-backdrop{display:block;position:absolute;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.6);z-index:1}.main-nav ul{position:relative;z-index:2;flex-direction:column;gap:0;background-color:white;width:100%;max-width:400px;margin:0 auto;padding:6rem 2rem 2rem;border-radius:0 0 1rem 1rem;box-shadow:0 4px 20px rgba(0,0,0,.2);transform:translateY(-100%);transition:transform .3s ease}.main-nav.open ul{transform:translateY(0)}.main-nav li{border-bottom:1px solid rgba(0,0,0,.1)}.main-nav li:last-child{border-bottom:none}.main-nav a{font-size:1.1rem;padding:1rem 0;text-align:center;border-bottom:none!important}.main-nav a.active{color:rgb(240,177,0);font-weight:600;background-color:rgba(240,177,0,.1)}}