.site-header{position:fixed;z-index:1000;top:18px;left:0;width:100%;transition:top .3s}.nav{height:72px;padding:0 14px 0 22px;border:1px solid rgba(226,232,240,.88);border-radius:22px;background:rgba(255,255,255,.78);backdrop-filter:blur(18px);box-shadow:0 12px 40px rgba(15,23,42,.07);display:flex;align-items:center;justify-content:space-between;transition:height .3s,var(--ease)}.site-header.is-scrolled{top:10px}.site-header.is-scrolled .nav{height:62px}.brand{display:flex;align-items:center;flex-shrink:0;gap:0}.brand__wordmark{display:block;height:36px;width:auto;object-fit:contain}.nav__menu{display:flex;align-items:center;gap:clamp(18px,2.1vw,36px)}.nav__menu>a:not(.button){font-size:.88rem;font-weight:600;color:#334155}.nav__menu>a:not(.button):hover{color:var(--ink)}.nav__toggle{display:none;background:none;width:44px;height:44px;border-radius:12px}.nav__toggle span{display:block;width:20px;height:2px;background:var(--ink);margin:5px auto;transition:.2s}@media(max-width:640px){.brand__wordmark{display:none}.brand__icon{display:block}}