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.5rem);left:0;z-index:var(--z-nav);display:flex;flex-direction:column;min-width:10rem;padding:.375rem;border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border);box-shadow:var(--shadow-glow)}.nav__explore-menu{position:absolute;top:calc(100% + .65rem);left:50%;z-index:var(--z-nav);display:grid;gap:.25rem;width:min(15rem,calc(100vw - 2rem));padding:.45rem;border-radius:var(--radius-lg);transform:translate(-50%)}.nav__panel{background:var(--bg-card);box-shadow:var(--shadow-glow)}.nav__explore-group{display:grid;gap:.1rem}.nav__explore-group--pages{margin-top:.15rem;padding-top:.2rem}.nav__explore-label{margin:0;padding:.25rem .35rem;color:var(--text-faint);font-size:.64rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.nav__explore-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;padding:.42rem 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var(--ease-out)}.nav__sections-item:hover{color:var(--text)}.nav__sections-item.is-active{color:var(--text);font-weight:600}.nav__actions{display:flex;align-items:center;gap:var(--space-lg)}.nav__signin{font-size:.88rem;text-decoration:none;color:var(--text-muted);transition:color var(--anim-fast) var(--ease-out)}.nav__signin:hover{color:var(--text)}.nav__icon-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:none;background:transparent;color:var(--text-muted);cursor:pointer;transition:color var(--anim-fast) var(--ease-out)}.nav__icon-btn:hover{color:var(--text)}.nav__lang-select{height:34px;padding:0 .5rem;border-radius:var(--radius-full);border:1px solid var(--border);background:transparent;color:var(--text-muted);font-size:.78rem;font-weight:600;cursor:pointer;transition:color var(--anim-fast) var(--ease-out),border-color var(--anim-fast) var(--ease-out)}.nav__lang-select:hover{color:var(--text);border-color:var(--border-strong)}.nav__lang-select option{color:var(--text);background:var(--bg-card)}.nav__mobile-row{display:flex;align-items:center;justify-content:space-between;gap:var(--space-md)}.nav__mobile-panel{display:grid;gap:var(--space-md)}.nav__mobile-group{display:grid;gap:.2rem}.nav__mobile-group--prefs{grid-template-columns:1fr auto;align-items:center;padding-top:.35rem}.nav__mobile-label{margin:0;padding:.2rem 0;color:var(--text-faint);font-size:.68rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.nav__mobile-links{display:grid;gap:.05rem}.nav__mobile-links a{padding:.5rem 0;color:var(--text);font-size:.92rem}.nav__mobile-links--sub{padding-left:.75rem}.nav__mobile-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;padding:.5rem 0;border:none;background:transparent;color:var(--text);font:inherit;font-size:.95rem;cursor:pointer}.nav__mobile-actions{display:grid;gap:var(--space-md);padding-top:.35rem}.nav__mobile-theme{display:flex;align-items:center;gap:.5rem;background:transparent;border:none;color:var(--text);font-size:1rem;padding:.4rem 0;cursor:pointer;text-align:left}.nav__burger{display:none;flex-direction:column;justify-content:center;gap:4px;width:34px;height:34px;border:none;background:transparent;cursor:pointer}.nav__burger span{display:block;height:2px;width:100%;background:var(--text);border-radius:2px}.nav__mobile{display:none}@media(max-width:860px){.nav__brand-tools,.nav__sections,.nav__explore,.nav__actions{display:none}.nav__burger{display:flex}.nav__mobile{display:flex;flex-direction:column;padding:var(--space-lg) var(--space-xl) var(--space-2xl);background:var(--nav-bg-mobile);border-bottom:1px solid var(--border)}.nav--scrolled .nav__mobile{background:var(--nav-bg-mobile-scrolled)}.nav__mobile a{text-decoration:none}}