/* Shared navigation; mobile dropdown has a dimmed backdrop and no-JS fallback. */
html:root{scroll-padding-top:100px}
body .site-header{position:sticky;top:0;z-index:30;background:var(--canvas)}
.site-header .topbar-inner{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;min-height:80px;padding-block:12px;gap:36px;border-bottom:1px solid var(--line)}
.site-header .brand{font-size:22px;font-weight:650;gap:9px}.site-header .brand-mark{width:34px;height:34px;border-radius:9px}
.site-header .header-panel{display:flex;align-items:center;justify-content:flex-end;gap:28px}
.site-header .main-nav{display:flex;align-items:center;justify-content:flex-end;gap:3px;width:auto;order:initial;margin:0 0 0 auto}
.site-header .main-nav a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 12px;border-radius:10px;font-size:15px;font-weight:500;color:var(--muted);text-decoration:none;white-space:nowrap}
.site-header .main-nav a[aria-current=location]{color:var(--action);background:var(--soft)}
.site-header .main-nav a[aria-current=location]::after{display:none}
.header-toggle{display:none}
.language-switch{position:relative;flex-shrink:0;order:2}
.language-switch summary{display:flex;align-items:center;gap:8px;min-height:44px;padding:9px 12px;border:1px solid var(--line);border-radius:10px;color:var(--ink);font-size:14px;font-weight:500;line-height:1.4;list-style:none;cursor:pointer;white-space:nowrap}
.language-switch summary::-webkit-details-marker{display:none}
.language-switch .language-globe{font-size:18px;color:var(--muted)}
.language-switch .language-chevron{margin-left:4px;font-size:14px;color:var(--muted)}
.language-switch[open] .language-chevron{transform:rotate(180deg)}
.language-switch[open] summary{background:var(--surface)}
.language-switch nav{position:absolute;z-index:40;top:calc(100% + 8px);right:0;width:240px;max-width:100%;min-width:220px;padding:6px;border:1px solid var(--line);border-radius:12px;background:var(--surface);box-shadow:0 8px 24px #00000012}
.language-switch nav a{display:flex;align-items:center;gap:8px;min-height:48px;padding:10px 12px;border-radius:8px;color:var(--ink);font-size:14px;line-height:1.4;text-decoration:none}
.language-switch .language-name{font-weight:500}.language-switch .language-translation{color:var(--muted);font-size:12px}
.language-switch .language-check{margin-left:auto;font-size:18px;visibility:hidden;color:var(--action)}
.language-switch nav a[aria-current=page]{background:var(--soft)}
.language-switch nav a[aria-current=page] .language-check{visibility:visible}
.language-switch summary:focus-visible,.language-switch nav a:focus-visible{outline:2px solid var(--action);outline-offset:2px}
@media(max-width:1100px){.site-header .topbar-inner{gap:20px}.site-header .header-panel{gap:14px}.site-header .main-nav a{padding-inline:8px}}
@media(max-width:1000px){
  html{scroll-padding-top:100px}
  .site-header .topbar-inner{grid-template-columns:1fr auto;min-height:72px;gap:0 16px;padding-block:12px}
  .site-header .brand{font-size:20px}.site-header .brand-mark{width:32px;height:32px}
  .site-header[data-menu-open] .header-toggle{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:44px;padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);font-size:15px;font-weight:500;cursor:pointer}
  .header-toggle i{font-size:17px}.header-toggle[aria-expanded=true] i{transform:rotate(180deg)}
  .site-header .header-panel{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1fr);justify-content:stretch;gap:16px;padding-block:16px}
  .site-header[data-menu-open] .header-panel{position:absolute;top:calc(100% + 12px);left:0;right:0;padding:8px 20px 0;gap:0;border:1px solid var(--line);border-radius:14px;background:var(--surface);box-shadow:0 16px 40px #00000014;max-height:calc(100dvh - 100px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}
  .site-header[data-menu-open=false] .header-panel{display:none}
  .site-header .main-nav{display:grid;gap:0;justify-content:stretch;width:100%;margin:0;order:-1}
  .site-header .main-nav a{justify-content:space-between;gap:16px;min-height:56px;padding:14px 0;border-radius:0;border-bottom:1px solid var(--line);font-size:18px;line-height:1.4;font-weight:550;letter-spacing:-.015em;color:var(--ink);white-space:normal}
  .site-header .main-nav a:last-child{border-bottom:0}
  .site-header .main-nav a::after,.site-header .main-nav a[aria-current=location]::after{content:'';display:block;flex:0 0 6px;width:6px;height:6px;margin-right:3px;border-top:1.5px solid var(--muted);border-right:1.5px solid var(--muted);transform:rotate(45deg)}
  .site-header .main-nav a[aria-current=location]{background:transparent;color:var(--ink)}
  .site-header .main-nav a:focus-visible{outline-offset:3px;border-radius:4px}
  .site-header .language-switch{border-top:1px solid var(--line);padding:0;margin-top:4px}
  .site-header .language-switch summary{justify-content:flex-start;gap:10px;min-height:60px;padding:16px 0;border:0;border-radius:0;background:transparent;font-size:14px;font-weight:500}
  .site-header .language-switch .language-globe{font-size:20px;color:var(--ink)}
  .site-header .language-switch .language-chevron{margin-left:auto;font-size:16px}
  .site-header .language-switch nav{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;width:100%;max-width:none;min-width:0;margin:0;padding:0 0 16px;border:0;border-radius:0;box-shadow:none;background:transparent}
  .site-header .language-switch:not([open]) nav{display:none}
  .site-header .language-switch nav a{min-height:44px;padding:10px;border:1px solid transparent;font-size:14px}
  .site-header .language-switch nav a[aria-current=page]{border-color:var(--line);background:var(--canvas)}
  .site-header .language-switch .language-translation{display:none}
  .site-header .language-switch .language-check{font-size:16px;color:var(--ink)}
}
@media(max-width:370px){.site-header .brand{font-size:18px;gap:7px}.site-header .header-toggle{padding-inline:10px}}
.header-backdrop{display:none;position:fixed;inset:0;z-index:29;background:rgb(0 0 0 / 48%)}
@media(max-width:1000px){
  html.header-menu-open{overflow:hidden}
  html.header-menu-open .header-backdrop{display:block}
  .site-header[data-menu-open] .header-toggle{width:44px;height:44px;padding:10px;gap:0}
  .header-toggle>span:first-child{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
  .header-hamburger{position:relative;display:block;width:22px;height:2px;background:currentColor;border-radius:1px}
  .header-hamburger::before,.header-hamburger::after{content:'';position:absolute;left:0;width:22px;height:2px;background:currentColor;border-radius:1px}
  .header-hamburger::before{top:-7px}.header-hamburger::after{top:7px}
  .header-toggle[aria-expanded=true] .header-hamburger{background:transparent}
  .header-toggle[aria-expanded=true] .header-hamburger::before{top:0;transform:rotate(45deg)}
  .header-toggle[aria-expanded=true] .header-hamburger::after{top:0;transform:rotate(-45deg)}
}
@media(max-width:720px){
  body .container{width:90%;margin-inline:auto}
  body .hero-shell{padding-top:28px}
  body .hero .hero-copy-block h1{font-size:clamp(32px,8vw,48px);line-height:1.12;letter-spacing:-.035em;overflow-wrap:break-word;text-wrap:balance}
  .hero-copy{max-width:36em;margin-inline:auto}
}