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85%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid color-mix(in srgb,var(--color-border) 50%,transparent);z-index:100;transition:background-color var(--transition-normal)}.nav-container{width:var(--content-width);margin:0 auto;padding:var(--space-4) 0;display:flex;justify-content:space-between;align-items:center}.site-title{font-size:var(--text-lg);font-weight:600;color:var(--color-text);letter-spacing:-.02em;text-decoration:none}.site-title:hover{color:var(--color-accent);text-decoration:none}.nav-links{display:flex;align-items:center;gap:var(--space-4)}.nav-links a{color:var(--color-text-secondary);font-size:var(--text-sm);text-decoration:none}.nav-links a:hover{color:var(--color-text);text-decoration:none}#theme-toggle{background:none;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-2);cursor:pointer;color:var(--color-text-secondary);display:flex;align-items:center;justify-content:center;transition:color var(--transition-fast),border-color var(--transition-fast)}#theme-toggle:hover{color:var(--color-text);border-color:var(--color-text-muted)}[data-theme=dark] .sun-icon{display:block}[data-theme=dark] .moon-icon,[data-theme=light] .sun-icon{display:none}[data-theme=light] .moon-icon{display:block}main{flex:1;width:var(--content-width);margin:0 auto;padding:var(--space-8) 0}.site-footer{border-top:1px solid color-mix(in srgb,var(--color-border) 50%,transparent);padding:var(--space-8) 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