/* ── Navigation ──────────────────────────────────────────── */
#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding: 0.75rem var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* ── Logo — pinned to the left ───────────────────────────── */
.nav-logo {
  flex-shrink: 0;
  margin-right: auto; /* pushes everything else to the right */
}

.nav-logo img {
  width: 150px;
  height: auto;
  display: block;
}

/* ── Nav links — centred between logo and auth ───────────── */
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: nowrap;
}

.nav-links > li > a {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text);
  white-space: nowrap;
  transition: color 0.2s;
}

.nav-links > li > a:hover,
.nav-links > li > a.active {
  color: var(--color-secondary);
}

/* ── Auth buttons — pinned to the far right ──────────────── */
.nav-auth {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-shrink: 0;
  margin-left: auto; /* pushes auth to the far right */
  padding: 0;
  list-style: none;
}

/* ── Dropdown ────────────────────────────────────────────── */
.has-dropdown {
  position: relative;
}

.has-dropdown > a::after {
  content: ' ▾';
  font-size: 0.7rem;
}

.dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  min-width: 180px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  z-index: 200;
  list-style: none;
  padding: 0.25rem 0;
  margin: 0;
}

.has-dropdown.is-open .dropdown {
  display: block;
}

.dropdown li a {
  display: block;
  padding: 0.5rem 1rem;
  font-size: 0.82rem;
  color: var(--color-text);
  white-space: nowrap;
  transition: background-color 0.2s, color 0.2s;
}

.dropdown li a:hover {
  background-color: var(--color-primary);
  color: #fff;
}

/* ── Mobile toggle ───────────────────────────────────────── */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform 0.2s, opacity 0.2s;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .nav-links > li > a { font-size: 0.75rem; }
  .nav-links { gap: 1rem; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: var(--space-sm) var(--space-md);
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  }

  .nav-links.is-open { display: flex; }

  .nav-links > li {
    width: 100%;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-auth {
    margin-left: 0;
    padding: 0.75rem 0;
    border-bottom: none;
  }

  .dropdown {
    position: static;
    box-shadow: none;
    border: none;
    padding-left: var(--space-sm);
  }

  .has-dropdown:hover .dropdown { display: none; }
  .has-dropdown.is-open .dropdown { display: block; }
}