/* Lightweight progress and stable mobile chrome: no scroll-driven header resizing. */
.reading-progress{position:fixed;inset:0 0 auto;height:3px;background:var(--red);transform:scaleX(0);transform-origin:left center;pointer-events:none;z-index:100;contain:strict}
:root{--anchor-offset:110px}h1,h2,h3,[id],#result-count{scroll-margin-top:var(--anchor-offset)}
button,.menu,.textlink{transition:background-color 160ms ease,color 160ms ease,border-color 160ms ease}
@media(max-width:760px){header .nav{padding-block:7px;gap:14px}header .logo{width:154px;height:44px}header .menu{min-height:44px;padding:8px 12px}header .nav nav.open{animation:menu-arrive 140ms ease-out}}
@keyframes menu-arrive{from{opacity:.85;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}*,*::before,*::after{animation:none!important;transition:none!important}}