.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(182,220,238,.1);background:rgba(7,18,31,.82);backdrop-filter:blur(16px)}.header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{font-family:'Space Grotesk',sans-serif;font-weight:700;letter-spacing:-.04em;font-size:1.18rem}.brand span{color:var(--orange)}.menu-toggle{width:46px;height:46px;border:1px solid var(--line);border-radius:11px;background:transparent;color:var(--white);display:grid;place-items:center;cursor:pointer}.menu-toggle i,.menu-toggle:before,.menu-toggle:after{content:'';width:18px;height:2px;background:currentColor;display:block;transition:.2s}.menu-toggle i{margin:4px 0}.menu-toggle[aria-expanded=true] i{opacity:0}.menu-toggle[aria-expanded=true]:before{transform:translateY(6px) rotate(45deg)}.menu-toggle[aria-expanded=true]:after{transform:translateY(-6px) rotate(-45deg)}.site-nav{position:absolute;left:0;right:0;top:72px;display:none;padding:18px 16px 22px;background:#0b1a2a;border-bottom:1px solid var(--line)}.site-nav.open{display:grid;gap:4px}.site-nav a:not(.btn){padding:11px 8px;color:#cedce5;font-weight:700}.site-nav a:not(.btn):hover{color:var(--cyan)}.nav-cta{margin-top:8px}@media(min-width:1080px){.menu-toggle{display:none}.site-nav{position:static;display:flex;align-items:center;gap:16px;padding:0;background:none;border:0}.site-nav a:not(.btn){padding:8px 0;font-size:.78rem}.nav-cta{margin:0 0 0 5px;min-height:40px;padding:8px 14px}}