/* Language selection and return-to-top control. */
header .brand{order:1}header nav{order:2}header .language-picker{order:3;flex-shrink:0}header .menu-toggle{order:4}.language-picker select{font:600 13px/1.3 system-ui,-apple-system,'Segoe UI',sans-serif;color:#34383b;background:#fff;border:1px solid #b9bec2;border-radius:4px;min-height:44px;width:101px;padding:8px;cursor:pointer}.language-picker select:focus-visible{outline:3px solid #646b70;outline-offset:3px}.back-to-top{position:fixed;right:22px;bottom:22px;z-index:25;display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:10px 16px;color:#fff;background:#34383b;border:1px solid #ffffff70;border-radius:5px;box-shadow:0 4px 18px #0002;text-decoration:none;font:600 14px/1.4 system-ui,-apple-system,'Segoe UI',sans-serif}.back-to-top:hover{background:#555b60;color:#fff}.back-to-top>span:first-child{font-size:23px;line-height:1}.back-to-top:focus-visible{outline:3px solid #646b70;outline-offset:4px}.back-to-top[hidden]{display:none!important}#page-top{scroll-margin-top:0}footer{padding-bottom:90px}
@media(max-width:1200px){header{flex-wrap:wrap;gap:14px}header .brand{order:1}header .language-picker{order:2;margin-left:auto}header .menu-toggle{order:3;display:block;margin-left:0}header nav{order:4;display:none;flex-basis:100%;flex-direction:column;align-items:stretch;gap:0;margin:0;border-top:1px solid var(--line);max-height:65vh;overflow:auto}header nav.open{display:flex}header nav a{font-size:14px;padding:12px 4px;border-bottom:1px solid #eceeef}}
@media(max-width:480px){header{gap:8px}header .brand img{width:106px;height:45px}header .language-picker select{width:96px;font-size:12px}header .menu-toggle{padding:8px 10px;font-size:14px;min-height:44px}.back-to-top{right:14px;bottom:14px;font-size:13px;padding:9px 13px}}