/* Header container should span full width inside flex header */
header .container {
  width: 100%;
  max-width: 1120px;
  padding: 12px 24px;
}

/* Nav group labels hidden on desktop, groups act as flat flex containers */
.nav-group {
  display: inline-flex;
  align-items: center;
  gap: 16px;
}
.nav-group-label { display: none; }

/* Hamburger button - hidden on desktop */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 12;
}
.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--fg);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Mobile nav styles */
@media (max-width: 768px) {
  .hamburger { display: block; }

  /* !important needed to override inline <style> blocks on each page */
  #main-nav {
    display: none !important;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg);
    flex-direction: column;
    gap: 0;
    padding: 72px 24px 24px;
    z-index: 11;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  #main-nav.open { display: flex !important; }

  .nav-group {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
  }
  .nav-group:last-child { border-bottom: none; }

  .nav-group-label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    padding: 8px 0 4px;
  }

  #main-nav a {
    padding: 10px 0;
    font-size: 16px;
    text-decoration: none !important;
    white-space: normal;
  }
  #main-nav a:hover { color: var(--accent); }

  /* Hamburger X animation when open */
  .hamburger.open {
    position: fixed;
    top: 16px;
    right: 24px;
    z-index: 12;
  }
  .hamburger.open .hamburger-line:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .hamburger.open .hamburger-line:nth-child(2) { opacity: 0; }
  .hamburger.open .hamburger-line:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
}