.header-signin,.mobile-menu-signin {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 2.75rem; padding: .625rem 1rem; border: 1px solid var(--rule-strong);
  border-radius: .5rem; background: var(--surface); color: var(--ink-strong);
  font: 600 .875rem/1.4 var(--font-sans); text-decoration: none; white-space: nowrap;
  transition: border-color 150ms ease, background-color 150ms ease;
}
.header-signin:visited,.mobile-menu-signin:visited { color: var(--ink-strong); }
.header-signin:hover,.mobile-menu-signin:hover { background: var(--surface-raised); border-color: var(--ink-muted); }
.header-signin:focus-visible,.mobile-menu-signin:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.mobile-menu-signin { display: flex; margin: 1rem 0; width: 100%; }
.home-header-actions { display: flex; align-items: center; gap: .75rem; margin-left: auto; }
#haltseal-site .home-header-actions .header-contact { margin-left: 0; }
#haltseal-site .header-signin { color: #f4f3ef; background: #111110; border-color: #5f665e; }
#haltseal-site .header-signin:hover { background: #242923; border-color: #a6b0a3; }
[data-theme="light"] #haltseal-site .header-signin { color: #191d16; background: #f3f3ed; border-color: #8e9788; }
[data-theme="light"] #haltseal-site .header-signin:hover { background: #e3e8df; border-color: #5e6657; }
@media(max-width:76rem) {
  #haltseal-site .desktop-nav { display: none; }
  #haltseal-site .menu-toggle { display: inline-flex; align-items: center; justify-content: center; min-width: 2.75rem; min-height: 2.75rem; margin-left: 0; }
}
@media(max-width:70rem) {
  body:not([data-page="home"]) .site-header .site-nav { display: none; }
  body:not([data-page="home"]) .site-header .menu-toggle { display: inline-flex; }
}
@media(max-width:48rem) {
  .header-actions,.home-header-actions { gap: .5rem; }
  #haltseal-site .home-header-actions .header-contact { display: none; }
  #haltseal-site .site-header { gap: .75rem; }
}
@media(max-width:24rem) {
  .header-signin { padding-inline: .75rem; }
  #haltseal-site .site-header { padding-inline: 1rem; gap: .5rem; }
  #haltseal-site .brand { font-size: 1rem; gap: .5rem; }
  #haltseal-site .brand-mark { width: 1.625rem; height: 1.625rem; }
  #haltseal-site .menu-toggle { padding-inline: .625rem; }
}
@media(prefers-reduced-motion:reduce) { .header-signin,.mobile-menu-signin { transition: none; } }
@media(forced-colors:active) { .header-signin,.mobile-menu-signin { border-color: ButtonText; background: Canvas; color: LinkText; } }