:root{--header-height:64px;--blur-glass:blur(12px);--radius-sm:6px}.landing-header{position:fixed;top:0;left:0;right:0;z-index:200}.landing-header__shell{position:relative;background:rgba(11,15,25,.75);backdrop-filter:var(--blur-glass);-webkit-backdrop-filter:var(--blur-glass);border-bottom:1px solid var(--color-border)}.landing-header__bar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:var(--header-height);gap:1rem;width:min(1200px,100% - 2rem);margin-inline:auto}.landing-header__left{display:flex;align-items:center;gap:1rem;justify-self:start;min-width:0}.landing-header__logo{display:flex;align-items:center;gap:.6rem;flex-shrink:0;text-decoration:none}.landing-header__logo,.landing-header__logo:hover{color:var(--color-text-platinum)}.landing-header__wordmark{font-weight:700;font-size:1.125rem;letter-spacing:-.02em;white-space:nowrap;color:#f8fafc}.landing-header__wordmark-lab{font-weight:700;color:var(--brand-speech)}.landing-header__center{justify-self:center}.landing-header__nav{display:flex;align-items:center;gap:.25rem}.landing-header__nav-link{position:relative;display:inline-flex;align-items:center;font-size:.8125rem;font-weight:500;color:var(--color-text-muted);padding:.5rem .65rem .65rem;border-radius:var(--radius-sm);white-space:nowrap;transition:color .2s;text-decoration:none}.landing-header__nav-link:before{content:"";position:absolute;left:.5rem;right:.5rem;bottom:.2rem;height:2px;border-radius:1px;background:var(--nav-accent-color,#3b82f6);opacity:0;transform:scaleX(.85);transition:opacity .2s ease,transform .2s ease;pointer-events:none}.landing-header__nav-link:hover{color:var(--color-text-platinum)}.landing-header__nav-link:hover:before{opacity:1;transform:scaleX(1)}.landing-header__nav-link--active{color:var(--color-text-platinum)}.landing-header__right{display:flex;align-items:center;justify-self:end}.landing-header__burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:.5rem}.landing-header__burger span{width:22px;height:2px;background:var(--color-text-platinum)}.landing-header__mobile{position:fixed;top:var(--header-height);left:0;right:0;z-index:198;display:flex;flex-direction:column;padding:1rem;background:var(--color-bg);border-bottom:1px solid var(--color-border)}.landing-header__mobile-link{padding:.75rem 0;font-size:.9375rem;color:var(--color-text-muted);border-bottom:1px solid var(--color-border);text-decoration:none}.landing-header__mobile-link:hover{color:var(--color-accent-green)}@media (max-width:767px){.landing-header__bar{grid-template-columns:1fr auto}.landing-header__center{display:none}.landing-header__burger{display:flex}}