.site-header{position:sticky;z-index:100;top:0;height:var(--header-height);border-bottom:.0625rem solid var(--primary-10);background:rgba(255,255,255,.96);backdrop-filter:blur(.75rem)}.header-inner{height:100%;gap:2rem}.brand{display:flex;flex:0 0 auto;align-items:center}.brand img{width:12.8rem;height:auto}.site-nav{display:flex;align-items:center;gap:1.5rem;margin-left:auto}.site-nav a{position:relative;padding:2rem 0;color:var(--primary);font-size:.82rem;font-weight:700}.site-nav a::after{position:absolute;right:50%;bottom:1.05rem;left:50%;height:.1875rem;background:var(--accent);content:"";transition:right var(--transition),left var(--transition)}.site-nav a:hover::after,.site-nav a.active::after{right:0;left:0}
.header-actions{gap:1rem}.header-phone{padding-left:1.25rem;border-left:.0625rem solid var(--line);color:var(--primary);line-height:1.3}.header-phone span{color:var(--text);font-size:.58rem;font-weight:500}.header-phone strong{font-size:.78rem}.header-social{display:flex;width:2.1rem;height:2.1rem;align-items:center;justify-content:center;border:.0625rem solid var(--line);color:var(--primary);font-size:.65rem;font-weight:800}.header-social:hover{border-color:var(--accent);color:var(--accent)}.menu-toggle{display:none;width:2.5rem;height:2.5rem;flex-direction:column;align-items:center;justify-content:center;gap:.3rem}.menu-toggle span{width:1.35rem;height:.125rem;background:var(--primary);transition:transform var(--transition),opacity var(--transition)}.menu-toggle.open span:first-child{transform:translateY(.425rem) rotate(45deg)}.menu-toggle.open span:nth-child(2){opacity:0}.menu-toggle.open span:last-child{transform:translateY(-.425rem) rotate(-45deg)}