.landing-container{display:flex;flex-direction:column;min-height:100vh}.site-nav{position:sticky;top:0;z-index:50;background-color:#ffffffd9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-subtle);transition:all var(--transition-normal)}html.dark .site-nav{background-color:#0f172ad9}.nav-inner{max-width:1240px;margin:0 auto;padding:.9rem 1.5rem;display:flex;align-items:center;justify-content:space-between}.brand-logo-link{display:flex;align-items:center;gap:.75rem;font-weight:800;font-size:1.25rem;letter-spacing:-.03em;color:var(--text-primary);text-decoration:none;cursor:pointer;transition:transform .2s ease}.brand-logo-link:hover{transform:translateY(-1px)}.brand-icon-box{width:34px;height:34px;background:linear-gradient(145deg,#0b0f19,#1e293b);color:#fff;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.2);box-shadow:0 4px 12px 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