/* Shared header geometry and navigation feedback for home and release notes. */
.site-header { position:sticky; top:0; z-index:20; border-bottom:1px solid #d9d0c5; background:rgba(243,238,231,.94); backdrop-filter:blur(18px); color:#2e2a25; font:17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; }
.site-header .nav-inner,.site-header .header-inner { width:min(1160px,calc(100% - 40px)); margin:0 auto; min-height:68px; display:flex; align-items:center; gap:28px; padding:0; }
.site-header .brand { display:flex; align-items:center; gap:10px; font-size:17px; font-weight:750; line-height:1.65; color:#2e2a25; text-decoration:none; }
.site-header .brand img { width:32px; height:32px; }
.site-header .nav-links { display:flex; gap:24px; margin-left:auto; align-items:center; }
.site-header .nav-links>a:not(.button):not(.language-switcher),.site-header .mobile-links>a { color:#665f57; font-size:14px; font-weight:400; text-decoration:none; white-space:nowrap; }
.site-header .nav-links>a[aria-current]:not(.button),.site-header .mobile-links>a[aria-current] { color:#2f7354; text-decoration:underline; text-decoration-thickness:2px; text-underline-offset:6px; }
.site-header .language-switcher { display:inline-flex; align-items:center; justify-content:center; min-height:38px; padding:0 12px; border:1px solid #d9d0c5; border-radius:999px; color:#665f57; background:rgba(251,248,243,.72); font:700 13px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; text-decoration:none; cursor:pointer; }
.site-header .button.small { display:inline-flex; align-items:center; justify-content:center; min-height:38px; padding:0 15px; border:0; border-radius:12px; background:#2f7354; color:white; font-size:14px; font-weight:700; line-height:1.65; text-decoration:none; box-shadow:0 8px 22px rgba(47,115,84,.18); }
.site-header a:hover { text-decoration:underline; text-underline-offset:6px; }
.site-header .mobile-links { display:none; }
.site-header .language-switcher { white-space:nowrap; flex-shrink:0; }
@media(max-width:840px) {
  .site-header .nav-links>a:not(.button):not(.language-switcher) { display:none; }
  .site-header .language-switcher { min-height:36px; padding-inline:10px; }
  .site-header .mobile-links { display:flex; width:min(1160px,calc(100% - 40px)); margin:0 auto; padding:8px 0 12px; gap:12px; justify-content:space-between; }
  .site-header .mobile-links>a { font-size:13px; }
}
@media(max-width:560px) {
  .site-header .nav-inner,.site-header .header-inner,.site-header .mobile-links { width:calc(100% - 28px); }
  .site-header .nav-inner,.site-header .header-inner { min-height:60px; gap:12px; }
  .site-header .nav-links { gap:8px; }
  .site-header .language-switcher { font-size:12px; padding-inline:9px; }
  .site-header .button.small { font-size:13px; padding-inline:12px; }
}