.site-header{position:sticky;top:0;z-index:1000;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.06);transition:background-color var(--duration-normal) ease}.header-inner{min-height:var(--header-height, 72px)}.main-navigation .wp-block-navigation-item a{color:var(--color-text-secondary, #D1D5DB);font-weight:500;font-size:.9rem;padding:.5rem .75rem;border-radius:var(--radius-md, 8px);transition:color var(--duration-fast) ease,background-color var(--duration-fast) ease;text-decoration:none}.main-navigation .wp-block-navigation-item a:hover{color:var(--color-text, #F9FAFB);background:#ffffff0f}.main-navigation .wp-block-navigation-item.current-menu-item a,.main-navigation .wp-block-navigation-item a[aria-current=page]{color:var(--color-primary, #3B82F6);background:var(--color-primary-dim, rgba(59, 130, 246, .15))}.dark-mode-toggle{background:transparent;border:1px solid var(--color-border-subtle, rgba(255, 255, 255, .06));border-radius:var(--radius-md, 8px);padding:.4rem .6rem;cursor:pointer;font-size:1rem;line-height:1;transition:background var(--duration-fast) ease}.dark-mode-toggle:hover{background:#ffffff0f}.header-cta .wp-block-button__link{font-weight:600;letter-spacing:.01em}@media(max-width:768px){.site-header{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.main-navigation .wp-block-navigation__responsive-container.is-menu-open{background:var(--color-bg, #0B0F19)}.main-navigation .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation-item a{font-size:1.25rem;padding:.75rem 1rem}}.site-footer{border-top:1px solid var(--color-border-subtle, rgba(255, 255, 255, .06))}.site-footer a{color:var(--color-text-muted, #9CA3AF);text-decoration:none;transition:color var(--duration-fast) ease}.site-footer a:hover{color:var(--color-primary, #3B82F6)}.footer-list{list-style:none;padding:0;margin:0}.footer-list li{padding:.3rem 0}.site-info{border-top:1px solid rgba(255,255,255,.06)}.reading-progress-bar{position:fixed;top:0;left:0;width:100%;height:3px;background:var(--gradient-primary);transform-origin:left;transform:scaleX(0);z-index:9999;transition:transform .1s ease}