.site-header{position:sticky;z-index:900;top:0;width:100%;border-bottom:1px solid rgba(69,52,102,.82);background:rgba(8,7,13,.94);box-shadow:0 1px 0 rgba(108,244,255,.06);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}.site-header__inner{display:flex;min-height:4.75rem;align-items:center;gap:var(--space-5)}.site-header__brand{display:inline-flex;min-width:0;flex:0 1 auto;align-items:center;gap:var(--space-3);color:var(--color-text-primary);text-decoration:none}.site-header__brand:hover{color:var(--color-text-primary)}.site-header__logo{width:2.375rem;height:2.375rem;flex:0 0 2.375rem;object-fit:contain}.site-header__name{min-width:0;color:var(--color-text-primary);font-family:var(--font-heading);font-size:.9375rem;font-weight:700;letter-spacing:.08em;line-height:1;white-space:nowrap}.site-header__navigation{min-width:0;flex:1 1 auto}.site-header__menu{display:flex;align-items:center;justify-content:center;gap:clamp(.75rem,1.6vw,1.5rem);margin:0;padding:0;list-style:none!important}.site-header__menu li,.site-header__menu li+li{margin:0;padding:0}.site-header__menu a{position:relative;display:inline-flex;min-height:44px;align-items:center;color:var(--color-text-secondary);font-family:var(--font-body);font-size:.875rem;font-weight:500;line-height:1;text-decoration:none;white-space:nowrap;transition:color var(--transition-fast)}.site-header__menu a::after{position:absolute;right:0;bottom:.48rem;left:0;height:1px;transform:scaleX(0);transform-origin:left;background:var(--color-electric-cyan);box-shadow:var(--shadow-glow);content:"";transition:transform var(--transition-fast)}.site-header__menu a:hover,.site-header__menu a:focus-visible,.site-header__menu a[aria-current="page"]{color:var(--color-electric-cyan)}.site-header__menu a:hover::after,.site-header__menu a:focus-visible::after,.site-header__menu a[aria-current="page"]::after{transform:scaleX(1)}.site-header__menu a:hover::before,.site-header__menu a:focus-visible::before{position:absolute;top:.15rem;left:-.55rem;color:var(--color-electric-cyan);font-family:var(--font-mono);font-size:.65rem;content:">"}.site-header__action{flex:0 0 auto;white-space:nowrap}.site-header__toggle{display:none}.site-header .nav-toggle{border-color:var(--color-line-violet);transition:border-color var(--transition-fast),background-color var(--transition-fast),box-shadow var(--transition-fast),color var(--transition-fast)}.site-header .nav-toggle span{transform-origin:center;transition:transform var(--transition-fast),opacity var(--transition-fast)}.site-header .nav-toggle[aria-expanded="true"]{border-color:var(--color-electric-cyan);background:rgba(34,20,58,.98);box-shadow:var(--shadow-glow)}.site-header .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}.site-header .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}.site-header .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}@media (max-width:62rem){.site-header__inner{min-height:4.375rem;gap:var(--space-3)}.site-header__navigation{position:absolute;top:calc(100% + 1px);right:0;left:0;display:none;max-height:calc(100vh - 4.375rem);overflow-y:auto;border-bottom:1px solid var(--color-electric-cyan);background:rgba(23,16,43,.985);box-shadow:0 16px 28px rgba(0,0,0,.28);padding:var(--space-3) var(--gutter) var(--space-5)}.site-header__navigation.is-open{display:block}.site-header__menu{display:grid;justify-content:stretch;gap:0}.site-header__menu li,.site-header__menu a{width:100%}.site-header__menu a{min-height:48px;border-bottom:1px solid rgba(69,52,102,.6);padding:0 var(--space-3)}.site-header__menu a::after{right:auto;bottom:0;width:2.5rem}.site-header__action{margin-left:auto}.site-header__action.button{min-height:40px;padding-inline:var(--space-3);font-size:.6875rem}.site-header__toggle{display:inline-flex;order:3}.site-header__menu a:hover::before,.site-header__menu a:focus-visible::before{display:none}}@media (max-width:30rem){.site-header__name{font-size:.8125rem;letter-spacing:.055em}.site-header__logo{width:2.125rem;height:2.125rem;flex-basis:2.125rem}.site-header__action{display:none}}