/* Announcement bar */
.announce-bar {
  background: var(--color-navy);
  color: rgba(255,255,255,0.88);
  font-size: var(--small);
  height: var(--announce-h);
  display: flex;
  align-items: center;
  overflow: hidden;
}
.announce-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
}
.announce-track { overflow: hidden; flex: 1; }
.announce-track a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}
.announce-track a:hover { text-decoration: underline; }
.announce-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-saffron);
  flex-shrink: 0;
}
.announce-close {
  background: none; border: none; color: rgba(255,255,255,0.7);
  font-size: 1.1rem; line-height: 1; padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}
.announce-close:hover { color: #fff; }
.announce-bar.is-hidden { display: none; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background var(--dur-med) var(--ease), box-shadow var(--dur-med) var(--ease), backdrop-filter var(--dur-med) var(--ease);
}
.site-header.is-solid {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-navy);
}
.site-header:not(.is-solid) .brand,
.site-header:not(.is-solid) .primary-nav a,
.site-header:not(.is-solid) .header-icon-btn {
  color: #fff;
}
.brand-mark {
  width: 40px; height: 40px;
  border-radius: 10px;
  flex-shrink: 0;
}

.primary-nav { display: flex; }
.primary-nav ul { display: flex; gap: var(--space-6); }
.primary-nav a {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-navy);
  padding-block: var(--space-2);
  position: relative;
}
.primary-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--color-secondary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-fast) var(--ease);
}
.primary-nav a:hover::after,
.primary-nav a[aria-current="page"]::after { transform: scaleX(1); }
.primary-nav a[aria-current="page"] { color: var(--color-secondary); }

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.header-icon-btn {
  background: none; border: none;
  color: var(--color-navy);
  width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
}
.header-icon-btn:hover { background: rgba(29,78,216,0.08); }
.site-header:not(.is-solid) .header-icon-btn:hover { background: rgba(255,255,255,0.14); }

.lang-select {
  background: transparent;
  border: 1px solid currentColor;
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-3);
  font-size: var(--small);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 40px; height: 40px;
  position: relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: "";
  position: absolute;
  left: 9px; right: 9px;
  height: 2px;
  background: currentColor;
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
}
.nav-toggle span { top: 50%; transform: translateY(-50%); }
.nav-toggle span::before { top: -8px; }
.nav-toggle span::after { top: 8px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: rotate(45deg); top: 0; }
.nav-toggle[aria-expanded="true"] span::after { transform: rotate(-45deg); top: 0; }

/* Mobile menu */
.mobile-nav {
  position: fixed;
  inset: 0;
  top: var(--header-h);
  background: var(--color-navy);
  color: #fff;
  padding: var(--space-7) var(--container-pad);
  transform: translateX(100%);
  transition: transform var(--dur-med) var(--ease);
  z-index: 190;
  overflow-y: auto;
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav ul { display: flex; flex-direction: column; gap: var(--space-2); }
.mobile-nav a {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  padding-block: var(--space-4);
  display: block;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.mobile-nav .btn { margin-top: var(--space-6); width: 100%; }