/* ===================== Header ===================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; }
.brand__logo-wrap {
  display: flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 12px;
  background: var(--grad-brand);
}
.brand__logo { height: 26px; width: auto; display: block; }
.brand__logo-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(120deg, transparent 20%, var(--sheen) 50%, transparent 80%);
  transform: translateX(-120%);
  animation: brand-sheen 5s ease-in-out infinite;
}
.brand__logo-wrap { position: relative; overflow: hidden; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name {
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: .5px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  animation: brand-gradient 4s linear infinite, brand-rise .7s ease both;
}
.brand:hover .brand__name { animation-duration: 1.6s, .7s; }
.brand__slogan { font-size: .72rem; font-weight: 600; color: var(--ink-soft); animation: brand-rise .7s ease .08s both; }
@keyframes brand-gradient {
  to { background-position: 200% center; }
}
@keyframes brand-sheen {
  0%, 60% { transform: translateX(-120%); }
  80%, 100% { transform: translateX(120%); }
}
@keyframes brand-rise {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .brand__name, .brand__slogan, .brand__logo-wrap::after { animation: none; }
  .brand__name { background-position: 0 center; }
}
.main-nav { display: flex; gap: 28px; }
.main-nav a { font-weight: 600; color: var(--ink-soft); }
.main-nav a:hover { color: var(--primary); }
.header__actions { display: flex; align-items: center; gap: 14px; }

.btn-lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--ink);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}
.btn-lang-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
}
.btn-lang-toggle .lang-icon {
  font-size: 0.95rem;
}
html[lang="en"] .lang-text--en,
html[lang="ar"] .lang-text--ar {
  display: inline;
}
html[lang="en"] .lang-text--ar,
html[lang="ar"] .lang-text--en {
  display: none;
}

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  border: none; background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; }