/* Skip link (visible on keyboard focus) */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--primary-color);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 2000;
  border-radius: 4px;
  text-decoration: none;
}
.skip-link:focus {
  left: 1rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 5rem 0;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border);
  padding: 1rem 0;
  transition: background 0.3s ease, border-color 0.3s ease;
}

/* Ensure header does not compress below site min-width */
.header,
.navbar {
  min-width: 350px;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-color);
}

.logo .dot {
  color: var(--primary-color);
}

.nav-links {
  display: flex;
  gap: 2rem;
  flex-wrap: nowrap; /* keep header items on a single line when possible */
}

.nav-links > ul {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  white-space: nowrap; /* prevent links wrapping to next line */
}

.nav-links a {
  font-weight: 500;
  color: var(--text-muted);
}

.nav-links a:hover {
  color: var(--primary-color);
}

.divider {
  color: var(--glass-border);
}

/* Footer */
.footer {
  padding: 2rem 0;
  text-align: center;
  border-top: 1px solid var(--glass-border);
  margin-top: 4rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  /* Keep header links horizontal on all sizes */
  .nav-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
  }

  .nav-links > ul {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
  }
}

/* Small screens: show only language switch and theme selector in header */
@media (max-width: 450px) {
  /* Hide all nav items except language and theme */
  .nav-links > ul > li:not(.lang-switch):not(.theme-selector-wrapper) {
    display: none;
  }

  /* Reduce gaps so header fits better */
  .nav-links {
    gap: 0.5rem;
  }

  .nav-links > ul {
    gap: 0.5rem;
  }
}