.header-toggle{background:var(--header-bg);border:1px solid var(--border);border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;padding:0;flex-shrink:0;color:var(--text);transition:background .2s,border-color .2s,border-radius .2s ease}.header-toggle:hover{background:var(--card-bg-hover);border-radius:12px}.header-toggle svg{width:22px;height:22px}.hamburger{width:20px;height:14px;position:relative;cursor:pointer}.hamburger .bar{display:block;position:absolute;height:2px;width:100%;background:var(--text);border-radius:9px;left:0;transition:.25s ease-in-out}.hamburger .bar:nth-child(1){top:0}.hamburger .bar:nth-child(2){top:6px}.hamburger .bar:nth-child(3){top:12px}.menu-toggle.active .bar:nth-child(1){top:6px;transform:rotate(135deg)}.menu-toggle.active .bar:nth-child(2){opacity:0;left:-20px}.menu-toggle.active .bar:nth-child(3){top:6px;transform:rotate(-135deg)}.fullscreen-menu{position:fixed;top:0;right:0;width:100%;height:100vh;background:var(--menu-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);z-index:890;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:1rem;overflow:hidden;visibility:hidden;opacity:0;transition:opacity .3s ease,visibility 0s linear .3s}.fullscreen-menu.active{visibility:visible;opacity:1;transition:opacity .3s ease,visibility 0s}.fullscreen-nav{width:100%;max-width:400px}.fullscreen-nav ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:15px;align-items:center}.fullscreen-nav li:nth-child(1){--item-index: 1}.fullscreen-nav li:nth-child(2){--item-index: 2}.fullscreen-nav li:nth-child(3){--item-index: 3}.fullscreen-nav li:nth-child(4){--item-index: 4}.fullscreen-nav li:nth-child(5){--item-index: 5}.fullscreen-nav li:nth-child(6){--item-index: 6}.fullscreen-nav li:nth-child(7){--item-index: 7}.fullscreen-nav li:nth-child(8){--item-index: 8}.fullscreen-nav a{display:block;color:var(--nav-a);text-decoration:none;font-size:1.4rem;font-weight:500;padding:.6rem 1.5rem;border-radius:50px;text-align:center;opacity:0;transform:translateY(20px) scale(.95);transition:opacity .6s cubic-bezier(.4,0,.2,1),transform .6s cubic-bezier(.4,0,.2,1),background .2s ease,color .2s ease;transition-delay:calc(var(--item-index, 0) * .05s)}.fullscreen-menu.active .fullscreen-nav a{opacity:1;transform:translateY(0) scale(1)}.fullscreen-menu:not(.active) .fullscreen-nav a{opacity:0;transform:translateY(-10px);transition:opacity .2s ease,transform .2s ease;transition-delay:0s}.fullscreen-nav a:hover,.fullscreen-nav a.active{background:var(--nav-a-bg);color:var(--text)}body.no-blur .fullscreen-menu{backdrop-filter:none;-webkit-backdrop-filter:none;background:var(--bg)}