/* ==========================================================================
   NAVBAR.CSS - Header and Navigation Bar Styling
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: var(--space-6);
}

/* Brand Identity */
.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.navbar-logo {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.navbar-identity {
  display: flex;
  flex-direction: column;
}

.navbar-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.25;
}

.navbar-subtitle {
  font-size: var(--text-xs);
  color: var(--color-muted);
  font-weight: 500;
}

/* Navigation Links & CTA */
.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.navbar-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  padding: var(--space-2) 0;
}

.navbar-link:hover,
.navbar-link:focus-visible {
  color: var(--color-secondary);
}

/* Mobile Toggle Checkbox (Hidden on Desktop) */
.nav-toggle {
  display: none;
}

.nav-toggle-label {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  cursor: pointer;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  transition: transform var(--transition-base), opacity var(--transition-base);
}