/* Navbar / Header styles (extracted from src/components/ui/Navbar.astro) */

/* Header / layout */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--m3-color-surface);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  padding: 0 2.4rem;
}
.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  height: 6.4rem;
}
.nav-content {
  display: flex;
  align-items: center;
  flex-grow: 1;
  gap: 1.6rem;
}

/* Home link */
.home-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 0.8rem;
  color: var(--m3-color-on-surface);
  margin-right: auto;
}
.home-icon {
  width: 2.8rem;
  height: 2.8rem;
  fill: currentColor;
}

/* Menu button and icon switch */
.menu-icon-wrapper {
  display: block;
  margin-left: auto;
}
@media (min-width: 768px) {
  .menu-icon-wrapper { display: none !important; }
}
.menu-icon-button {
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--m3-color-on-surface);
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: 50%;
}
.menu-icon-button:focus-visible {
  outline: 2px solid var(--m3-color-primary);
  background-color: var(--m3-color-primary-container);
}
.menu-icon-button .close-icon { display: none; }
.menu-icon-button.is-open .open-icon { display: none; }
.menu-icon-button.is-open .close-icon { display: block; }

/* Mobile menu states and desktop overrides */
.nav-menu-styles {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--m3-color-surface);
  padding: 1.6rem;
  border-top: 1px solid var(--m3-color-outline);
}
.nav-menu-styles[data-open="true"] { display: block; }
.nav-menu-styles[hidden] { display: none !important; }

@media (min-width: 768px) {
  .nav-menu-styles {
    position: static;
    background: transparent;
    padding: 0;
    border-top: none;
    display: flex !important;
    width: auto;
    visibility: visible;
    opacity: 1;
    transform: none;
    height: auto;
    overflow: visible;
  }
}

/* Nav list & links */
.nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
@media (min-width: 768px) {
  .nav-list { flex-direction: row; align-items: center; gap: 1.6rem; }
}
.nav-link {
  display: block;
  padding: 1rem 1.6rem;
  color: var(--m3-color-on-surface-variant);
  text-decoration: none;
  font-size: var(--m3-font-label-large);
  font-weight: 500;
  border-radius: 20px;
  transition: all 0.3s ease;
  position: relative;
}
.nav-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}
.nav-link:focus-visible {
  outline: 2px solid var(--m3-color-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--m3-color-primary) 35%, transparent);
}
.nav-link[aria-current="page"] {
  background-color: var(--m3-color-primary-container);
  color: var(--m3-color-on-primary-container);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.nav-link[aria-current="page"]::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--m3-color-primary);
}

/* Theme toggle visibility */
.theme-toggle-container {
  display: none;
  align-items: center;
}
@media (min-width: 768px) {
  .theme-toggle-container { display: flex; }
}

/* small utility / responsive helpers (kept for parity) */
.hidden,
.nav-item.md\:hidden { display: none; }
@media (max-width: 767px) {
  .nav-menu-styles.is-open .nav-item.md\:hidden { display: block; }
}
@media (min-width: 768px) {
  .md\:flex { display: flex; }
}