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var(--color-border-subtle);font-size:var(--fs-body-sm);font-weight:500;color:var(--color-primary);letter-spacing:.02em}.nav{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-height);background-color:#faf8f5eb;border-bottom:1px solid transparent;transition:background-color var(--dur-base) var(--ease-out),border-color var(--dur-base) var(--ease-out)}.nav.is-scrolled{background-color:#ffffffd9;border-bottom-color:var(--color-border-subtle)}.nav-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:var(--space-6)}.nav-brand{display:flex;align-items:center;flex-shrink:0}.nav-brand img{height:32px;width:auto}.nav-links{display:flex;align-items:center;gap:var(--space-2)}.nav-links a{display:block;padding:var(--space-2) var(--space-4);font-size:var(--fs-body-sm);font-weight:500;color:var(--color-text-secondary);border-radius:var(--radius-sm);transition:color var(--dur-fast) var(--ease-out),background-color var(--dur-fast) var(--ease-out)}.nav-links 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var(--color-border-subtle);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);opacity:0;transform:translateY(-6px);pointer-events:none;transition:opacity var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out)}.lang-menu.is-open{opacity:1;transform:translateY(0);pointer-events:auto}.lang-menu button{display:block;width:100%;text-align:left;padding:var(--space-2) var(--space-3);font-size:var(--fs-body-sm);border-radius:var(--radius-xs);color:var(--color-text-primary);transition:background-color var(--dur-fast) var(--ease-out)}.lang-menu button:hover{background-color:var(--color-bg-base);color:var(--color-primary)}@media (max-width: 768px){.nav-links{display:none}}.site-footer{background-color:var(--color-bg-deep);color:#ffffffa6;padding-block:var(--space-16) var(--space-8)}.site-footer-inner{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:var(--space-12);padding-bottom:var(--space-12);border-bottom:1px solid rgba(255,255,255,.08)}@media (max-width: 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