/* Header styles for MinecraftPL */

/* Palette scoped to header */
.site-header {
  --mcpl-green-900: #143d2a;
  --mcpl-green-700: #1f5c40;
  --mcpl-green-500: #2f8a59;
  --mcpl-brown-700: #5a3e2b;
  --mcpl-cream: #f3f7f0;
  --mcpl-stone: #cfd8dc;
  background: linear-gradient(180deg, var(--mcpl-green-900) 0%, var(--mcpl-green-700) 100%);
  color: #ffffff;
  border-bottom: 0;
  position: relative;
}

/* Pixelated bottom border */
.site-header::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px; height: 6px;
  background: repeating-linear-gradient(
    90deg,
    var(--mcpl-brown-700) 0 6px,
    var(--mcpl-green-700) 6px 12px,
    #2b2b2b 12px 18px
  );
  image-rendering: pixelated;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: 0.5rem;
  top: -40px;
  background: #000;
  color: #fff;
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  z-index: 1000;
}
.skip-link:focus { top: 0.5rem; outline: 3px solid var(--mcpl-cream); }

/* Logo */
.site-logo {
  font-family: 'Press Start 2P', system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1;
  color: #fff;
  text-decoration: none;
  text-shadow: 0 2px 0 rgba(0,0,0,0.35);
  letter-spacing: 0.5px;
}
.site-logo:focus-visible { outline: 3px solid var(--mcpl-stone); outline-offset: 3px; border-radius: 2px; }

/* Navigation */
.nav-primary { position: relative; }
.nav-list {
  display: flex;
  gap: 0.25rem;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-link {
  display: inline-block;
  padding: 0.6rem 0.8rem;
  color: var(--mcpl-cream);
  text-decoration: none;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif;
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: 6px;
}
.nav-link:hover,
.nav-link:focus { background: rgba(255,255,255,0.08); }
.nav-link:focus-visible { outline: 3px solid var(--mcpl-stone); outline-offset: 2px; }

/* Menu toggle */
.menu-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  background: var(--mcpl-green-500);
  color: #fff;
  border: 0;
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
  cursor: pointer;
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 700;
  box-shadow: 0 2px 0 rgba(0,0,0,0.25);
}
.menu-toggle .icon-close { display: none; }
.menu-toggle[aria-expanded="true"] .icon-open { display: none; }
.menu-toggle[aria-expanded="true"] .icon-close { display: inline; }
.menu-toggle:focus-visible { outline: 3px solid var(--mcpl-stone); outline-offset: 2px; }

/* Responsive behavior with progressive enhancement */
@media (max-width: 768px) {
  .menu-toggle { display: inline-flex; }
  .nav-list { gap: 0; }

  /* Default (no JS) shows the menu for accessibility */
  /* When JS is enabled, collapse by default */
  .js-enabled .nav-primary {
    position: fixed;
    inset: 0;
    background: linear-gradient(180deg, var(--mcpl-green-900) 0%, var(--mcpl-green-700) 100%);
    padding: 5rem 1rem 2rem;
    transform: translateY(-100%);
    visibility: hidden;
    transition: transform 220ms ease-out, visibility 0s linear 220ms;
    z-index: 999;
  }
  .js-enabled .nav-primary .nav-list { flex-direction: column; }
  .js-enabled .nav-primary .nav-link {
    width: 100%;
    padding: 0.9rem 1rem;
    font-size: 1.05rem;
    border-radius: 10px;
  }
  .js-enabled body.menu-open .nav-primary {
    transform: translateY(0);
    visibility: visible;
    transition: transform 220ms ease-out;
  }
  .js-enabled body.menu-open { overflow: hidden; }

  /* Ensure header sits above the menu button */
  .site-header { position: relative; z-index: 1000; }
}