/* Header typography uses the regular Cairo face; the older bold file is Black. */
.site-header {
  --header-surface: #f1f5fa;
  --header-border: #e3eaf3;
  --header-hover: #e7eef8;
  --header-selected: #e1edff;
  --header-accent: #075bc8;
  background: #f8fafc;
  border-bottom: 1px solid var(--header-border);
  /* An opaque sticky header avoids repainting a full-width backdrop on scroll. */
  backdrop-filter: none;
  font-family: Cairo, Arial, sans-serif;
  font-weight: 400;
}
.site-header.is-scrolled { background: #f8fafc; }
.site-header .nav-wrap {
  width: min(1320px, calc(100% - 80px));
  height: 100px;
  gap: 28px;
}
.site-header .brand { width: 132px; }
.site-header .brand img { max-height: 52px; object-fit: contain; }
.site-header .desktop-nav {
  display: flex;
  justify-content: center;
  flex-shrink: 0;
  gap: 3px;
  padding: 5px;
  border: 1px solid var(--header-border);
  border-radius: 17px;
  background: var(--header-surface);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
}
.site-header .desktop-nav a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 8px 12px;
  border-radius: 11px;
  color: var(--muted);
  transition: color .2s, background .2s, box-shadow .2s;
}
.site-header .desktop-nav a:hover { color: var(--navy); background: var(--header-hover); }
.site-header .desktop-nav a.active {
  color: var(--header-accent);
  background: var(--header-selected);
  box-shadow: inset 0 0 0 1px #076cf018;
}
.site-header::after,
.site-header .desktop-nav a::before,
.site-header .desktop-nav a.active::after { content: none; }
.site-header .nav-actions { gap: 8px; margin-inline-start: 0; }
.site-header :is(.theme-toggle, .language-toggle, .menu-toggle) {
  height: 44px;
  min-height: 44px;
  border: 1px solid var(--header-border);
  border-radius: 12px;
  background: transparent;
  color: var(--navy);
}
.site-header .theme-toggle { width: 44px; }
.site-header .theme-toggle svg { width: 19px; height: 19px; stroke-width: 1.5; }
.site-header .language-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  gap: 8px;
  min-width: 104px;
  padding: 8px 15px;
  border-radius: 999px;
  background: var(--header-surface);
  color: var(--header-accent);
  font: 500 14px/1.5 Cairo, Arial, sans-serif;
  transition: background .2s, border-color .2s;
}
.site-header .language-toggle[lang="en"] { font-family: Arial, sans-serif; font-size: 13px; }
.site-header .language-icon { width: 18px; height: 18px; stroke-width: 1.65; }
.site-header .language-toggle:focus-visible { outline: 3px solid #f2ac3c; outline-offset: 3px; }
.site-header :is(.theme-toggle, .language-toggle, .menu-toggle):hover {
  background: var(--header-hover);
  border-color: var(--line);
}
.site-header .nav-cta {
  min-height: 46px;
  margin: 0;
  margin-inline-start: 6px;
  padding: 10px 19px;
  gap: 18px;
  border-radius: 12px;
  background: var(--brand-primary, #076cf0);
  color: #fff;
  font: 700 14px/1.6 Plex, Cairo, sans-serif;
  white-space: nowrap;
}
.site-header .nav-cta:hover { background: var(--blue-dark); box-shadow: 0 5px 18px #076cf026; }
.site-header .nav-cta svg { width: 17px; height: 17px; }
.site-header .mobile-menu {
  padding: 14px;
  border: 1px solid var(--header-border);
  border-radius: 16px;
  background: var(--paper);
}
.site-header .mobile-menu a {
  padding: 13px 16px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 400;
}
.site-header .mobile-menu a:hover { background: var(--header-hover); }
.site-header .mobile-menu a.active { color: var(--header-accent); background: var(--header-selected); }
html[lang="en"] .site-header,
html[lang="en"] .site-header .nav-cta { font-family: Arial, Helvetica, sans-serif; }
html[lang="en"] .site-header .desktop-nav { font-size: 13px; }
html[data-theme="dark"] .site-header {
  --header-surface: #141f31;
  --header-border: #263348;
  --header-hover: #1d2b40;
  --header-selected: #213c60;
  --header-accent: #a8cdff;
}
html[data-theme="dark"] .site-header,
html[data-theme="dark"] .site-header.is-scrolled { background: #0c1321; border-color: #ffffff0c; }
html[data-theme="dark"] .site-header .mobile-menu { background: #101b2d; }
html[data-theme="dark"] .site-header .nav-cta { background: var(--brand-primary, #076cf0); }
html[data-theme="dark"] .site-header .nav-cta:hover { background: var(--blue-dark); }
@media (max-width: 1240px) {
  .site-header .nav-wrap { height: 88px; }
  .site-header .desktop-nav { display: none; }
  .site-header .menu-toggle { display: flex; }
  .site-header .nav-actions { margin-inline-start: auto; }
  .site-header .mobile-menu {
    position: absolute;
    top: calc(100% + 8px);
    inset-inline: 40px;
    max-height: calc(100dvh - 112px);
    overflow-y: auto;
    overscroll-behavior: contain;
    box-shadow: 0 20px 45px #0002;
  }
}
@media (min-width: 1241px) { .site-header .mobile-menu { display: none; } }
@media (max-width: 650px) {
  .site-header .nav-wrap { width: calc(100% - 36px); height: 78px; gap: 12px; }
  .site-header .brand { width: 108px; }
  .site-header .nav-actions { gap: 6px; }
  .site-header :is(.theme-toggle, .language-toggle, .menu-toggle, .nav-cta) {
    width: 44px;
    min-height: 44px;
    height: 44px;
    padding: 0;
    border-radius: 11px;
    margin: 0;
  }
  .site-header .language-toggle { width: 56px; min-width: 56px; padding: 0 6px; gap: 5px; border-radius: 999px; }
  .site-header .language-icon { width: 16px; height: 16px; }
  .site-header .language-toggle[lang="en"] { font-size: 11px; }
  .site-header .mobile-menu { inset-inline: 18px; max-height: calc(100dvh - 100px); }
  .site-header .nav-cta [data-cms] {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
  }
}
@media (max-width: 370px) {
  .site-header .nav-wrap { width: calc(100% - 24px); gap: 8px; }
  .site-header .brand { width: 88px; }
  .site-header .nav-actions { gap: 4px; }
}
@media (prefers-reduced-motion: reduce) {
  .site-header, .site-header * { transition: none; }
}