/* Header-specific styling for Okoslista - builds on base.css */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
}

.brand {
  display: inline-flex;
  align-items: flex-start;
  gap: var(--space-2);
  color: var(--color-text);
}

.brand-title {
  font-family: var(--font-family-serif-display);
  font-size: 1.3rem;
}

.brand-subtitle {
  font-family: var(--font-family-sans-ui);
}

.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  list-style: none;
}

.nav-item--highlight .nav-link {
  padding-inline: 0;
}

.nav-link--primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-subtle);
  background-color: var(--color-surface-elevated);
}

.nav-link--primary:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary);
  color: var(--color-primary-contrast);
}

.nav-link-icon {
  font-size: 0.85em;
}

.nav-toggle {
  border-radius: var(--radius-pill);
  padding: 0.4rem 0.6rem;
  border: 1px solid transparent;
  background-color: transparent;
}

.nav-toggle:hover {
  border-color: var(--color-border-subtle);
}

.nav-toggle[aria-expanded="true"] {
  border-color: var(--color-primary);
  background-color: rgba(255, 255, 255, 0.8);
}

.nav-toggle-line {
  transition: transform var(--transition-normal) ease, opacity var(--transition-fast) ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:first-child {
  transform: translateY(2px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:last-child {
  transform: translateY(-2px) rotate(-45deg);
}

/* Mobile navigation behavior (enhanced by JS) */

@media (max-width: 768px) {
  .site-header-inner {
    gap: var(--space-3);
  }

  .brand {
    min-width: 0;
    flex: 1 1 auto;
  }

  .brand-title {
    font-size: 0.95rem;
    letter-spacing: 0.12em;
    line-height: var(--line-height-tight);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .brand-subtitle {
    display: none;
  }

  .nav-toggle {
    flex-shrink: 0;
  }

  .site-nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    display: block;
    padding-inline: var(--layout-gutter);
    box-sizing: border-box;
  }

  .nav-list {
    width: 100%;
    margin-top: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-subtle);
    box-shadow: var(--shadow-soft);
    box-sizing: border-box;
  }

  .nav-item {
    width: 100%;
  }

  .nav-item + .nav-item {
    margin-top: var(--space-2);
  }

  .nav-link {
    display: block;
    width: 100%;
    padding-block: 0.5rem;
  }

  .nav-link--primary {
    width: 100%;
    justify-content: space-between;
  }

  .site-nav--collapsed .nav-list {
    display: none;
  }

  .site-nav--expanded .nav-list {
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }
}

@media (min-width: 769px) {
  .site-nav {
    position: static;
  }

  .site-nav--collapsed .nav-list,
  .site-nav--expanded .nav-list {
    display: flex;
  }
}