/* ArcLine mobile navigation refinement */
.arc-menu-toggle{align-items:center;justify-content:center;gap:8px;min-width:78px;min-height:44px;border:1px solid var(--arc-line);border-radius:4px;color:var(--arc-ink);background:var(--arc-white);cursor:pointer;font:inherit;font-size:.78rem;font-weight:800;line-height:1}
.arc-menu-toggle:focus-visible{outline:3px solid rgba(215,25,32,.24);outline-offset:2px}
.arc-menu-icon{display:grid;gap:4px;width:19px}
.arc-menu-icon span{display:block;width:100%;height:2px;border-radius:2px;background:currentColor;transition:transform .18s ease,opacity .18s ease}
.arc-menu-toggle.is-open .arc-menu-icon span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.arc-menu-toggle.is-open .arc-menu-icon span:nth-child(2){opacity:0}
.arc-menu-toggle.is-open .arc-menu-icon span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media(max-width:1100px){.arc-header-row{position:relative}.arc-menu-toggle{display:inline-flex;margin-left:auto}.arc-nav{z-index:60;box-shadow:0 14px 26px rgba(34,35,38,.1)}.arc-nav ul{width:min(100%,var(--arc-max));margin-inline:auto}.arc-nav a{display:block;padding:9px 0;font-size:.92rem}.arc-nav.is-open{display:block}}
@media(max-width:760px){.arc-header-row{gap:8px}.arc-menu-toggle{min-width:72px;padding:9px 10px}.arc-search{width:34px;height:40px}.arc-nav{left:-14px;right:-14px;padding:14px 28px 18px}}
@media(prefers-reduced-motion:reduce){.arc-menu-icon span{transition:none}}