.cat-header{z-index:50;width:100%;margin-top:12px;padding-inline:24px;position:sticky;top:12px}.cat-header__bar{justify-content:space-between;align-items:center;gap:20px;width:100%;max-width:1152px;min-height:64px;margin-inline:auto;padding:7px 20px;display:flex}.cat-header__brand{min-width:0;color:var(--foreground);border-radius:10px;flex-shrink:0;align-items:center;display:flex}.cat-brand-identity{min-width:0;font-style:normal}.cat-brand-identity__logo{object-fit:contain;width:30px;height:30px}.cat-brand-identity__name{font-family:var(--font-serif-display);letter-spacing:-.025em;font-size:22px;font-style:normal;font-weight:600;line-height:1.15}.cat-header__desktop-nav,.cat-header__desktop-actions{display:none}.cat-header__nav-link{color:var(--foreground);white-space:nowrap;border-radius:4px;padding-block:10px;font-size:14px;font-weight:800;line-height:20px;transition:color .15s;position:relative}.cat-header__nav-link:after{content:"";background:var(--cat-orange);transform-origin:0;border-radius:3px;height:3px;transition:transform .15s;position:absolute;inset:auto 0 4px;transform:scaleX(0)}.cat-header__nav-link:hover:after,.cat-header__nav-link:focus-visible:after{transform:scaleX(1)}.cat-header .cat-header__utilities>button,.cat-header__mobile-toggle{border:2px solid var(--cat-ink);background:var(--card);width:42px;min-width:42px;height:42px;min-height:42px;color:var(--foreground);box-shadow:2px 2px 0 var(--cat-shadow);cursor:pointer;border-radius:13px;justify-content:center;align-items:center;transition:background-color .15s,transform .15s,box-shadow .15s;display:inline-flex}.cat-header .cat-header__utilities>button:hover,.cat-header__mobile-toggle:hover{background:var(--cat-butter);color:var(--cat-pastel-ink);box-shadow:3px 3px 0 var(--cat-shadow);transform:translate(-1px,-1px)}.cat-header .cat-header__utilities>button:active,.cat-header__mobile-toggle:active{box-shadow:1px 1px 0 var(--cat-shadow);transform:translate(1px,1px)}.cat-header__start{white-space:nowrap;flex-shrink:0;padding-inline:15px;font-size:14px}.cat-header__mobile-toggle{flex-shrink:0;width:44px;min-width:44px;height:44px;min-height:44px}.cat-header__mobile-menu{overscroll-behavior:contain;width:100%;max-width:1152px;max-height:calc(100dvh - 108px);margin:12px auto 0;padding:14px;overflow-y:auto}.cat-header__mobile-nav{flex-direction:column;gap:4px;display:flex}.cat-header__mobile-link{min-height:44px;color:var(--foreground);overflow-wrap:anywhere;border-radius:12px;align-items:center;padding:10px 12px;font-size:15px;font-weight:800;line-height:22px;transition:background-color .15s,color .15s;display:flex}.cat-header__mobile-link:hover{background:var(--cat-butter);color:var(--cat-pastel-ink)}.cat-header__mobile-actions{border-top:2px dashed var(--border);align-items:center;gap:10px;margin-top:12px;padding:14px 2px 2px;display:flex}@media (width>=1024px){.cat-header__desktop-nav{align-items:center;gap:clamp(12px,1.3vw,20px);display:flex}.cat-header__desktop-actions{flex-shrink:0;align-items:center;gap:9px;display:flex}.cat-header__mobile-toggle,.cat-header__mobile-menu{display:none}}@media (width<=639px){.cat-header{padding-inline:16px}.cat-header__bar{border-radius:20px;gap:12px;min-height:60px;padding:5px 12px}.cat-header__brand{flex-shrink:1}.cat-header__mobile-menu{border-radius:20px}.cat-header__mobile-actions{gap:8px}}@media (prefers-reduced-motion:reduce){.cat-header *,.cat-header :after{transition:none}}