.about-navigation{top:var(--header-h);z-index:25;color:var(--fg);background:var(--bg);border-bottom:1px solid var(--border);padding:0 clamp(20px,3vw,64px);position:sticky}.about-navigation-desktop{align-items:center;gap:clamp(16px,2.5vw,40px);display:flex}.about-nav-label{font:10px var(--font-mono);text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin-right:auto}.about-navigation a{min-height:56px;color:var(--fg-2);align-items:center;font-size:13px;font-weight:600;text-decoration:none;display:flex;position:relative}.about-navigation a:after{content:"";background:var(--accent);transform-origin:0;height:2px;transition:transform .18s var(--ease-standard);position:absolute;bottom:0;left:0;right:0;transform:scaleX(0)}.about-navigation a.is-section,.about-navigation a[aria-current]{color:var(--accent)}.about-navigation a.is-section:after,.about-navigation a[aria-current]:after{transform:scaleX(1)}.about-navigation-sub{border-top:1px solid var(--border);flex-wrap:wrap;gap:0 24px;display:flex}.about-navigation-sub a{min-height:46px;font-size:12px}.about-navigation-mobile{display:none}.about-navigation :is(a,summary):focus-visible{outline:2px solid var(--accent);outline-offset:3px}.about-pagination{border-top:1px solid var(--border);grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;padding:32px clamp(20px,3vw,64px) 48px;display:grid}.about-pagination a{flex-direction:column;gap:10px;min-height:80px;padding:12px 0;display:flex}.about-pagination a:last-child{text-align:right;align-items:end}.about-pagination small{font:10px var(--font-mono);text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}.about-pagination a>span{letter-spacing:-.025em;font-size:clamp(16px,2vw,24px);font-weight:650}.about-pagination a>span>span{color:var(--accent);transition:transform .18s var(--ease-standard);display:inline-block}@media (hover:hover) and (pointer:fine){.about-navigation a:hover:after{transform:scaleX(1)}.about-pagination a:hover>span>span{transform:translate(4px)}.about-pagination a:first-child:hover>span>span{transform:translate(-4px)}}.about-navigation a:focus-visible:after,.about-navigation-mobile summary:focus-visible .about-disclosure-icon{transition:none}@media (max-width:900px){.about-navigation-desktop{display:none}.about-navigation-mobile{display:block}.about-navigation-mobile summary{cursor:pointer;justify-content:space-between;align-items:center;gap:20px;min-height:66px;list-style:none;display:flex}.about-navigation-mobile summary::-webkit-details-marker{display:none}.about-navigation-mobile summary small{font:10px var(--font-mono);color:var(--muted);margin-bottom:5px;display:block}.about-navigation-mobile summary strong{font-size:13px;font-weight:650}.about-disclosure-icon{transition:transform .18s var(--ease-standard);font-size:22px}.about-navigation-mobile[open] .about-disclosure-icon{transform:rotate(45deg)}.about-navigation-mobile nav{border-top:1px solid var(--border);grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px;padding-bottom:12px;display:grid}.about-navigation-mobile nav a{min-height:48px}.about-navigation-sub{gap:0 18px}.about-navigation-sub a{min-height:40px;font-size:11px}}@media (prefers-reduced-motion:reduce){.about-navigation *,.about-pagination *{transition:none!important}}