:root {
  --header-h: 72px;
}

/* === Accessibility: Skip Link === */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  background: var(--neon-teal);
  color: #000;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 2000;
}

/* === Sticky Header === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background: linear-gradient(135deg, rgba(84, 35, 130, 0.35), rgba(38, 255, 230, 0.06));
  border: 2px solid var(--border-glow);
  border-radius: 0 0 var(--radius) var(--radius);
  backdrop-filter: blur(14px);
  max-width: 1100px;
  margin: 0 auto;
  box-sizing: border-box;
}

/* === Brand === */
.site-header .brand a {
  color: var(--neon-pink);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  font-size: 1.05rem;
  text-shadow: 0 0 10px var(--neon-pink);
}

/* === Navigation === */
.site-nav ul {
  list-style: none;
  display: flex;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
}
.site-nav a {
  display: inline-block;
  padding: 0.55rem 0.9rem;
  border-radius: 0.65rem;
  background: rgba(255, 43, 179, 0.14);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.04em;
  box-shadow: 0 0 10px var(--neon-pink) inset, 0 0 6px var(--neon-pink);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.site-nav a:hover {
  background: rgba(38, 255, 230, 0.18);
  color: #fff;
  box-shadow: 0 0 10px var(--neon-teal) inset, 0 0 8px var(--neon-teal);
  transform: translateY(-1px);
}
.site-nav a[aria-current="page"] {
  outline: 2px solid var(--neon-teal);
  box-shadow: 0 0 12px var(--neon-teal), inset 0 0 10px var(--neon-teal);
}

/* === Content Spacing === */
.page-content {
  padding-top: 1rem;
  margin-top: 0.5rem;
}

/* === Mobile Navigation (CSS-only hamburger) === */
.nav-toggle {
  display: none;
}
.hamburger {
  display: none;
  cursor: pointer;
  padding: 0.4rem;
  border-radius: 0.5rem;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 3px;
  margin: 5px 0;
  background: var(--text-main);
  box-shadow: 0 0 6px var(--neon-pink);
}

/* === Mobile Drawer Behavior === */
@media (max-width: 820px) {
  .site-header {
    border-radius: 0;
    max-width: 100%;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(var(--header-h) - 6px);
    background: linear-gradient(135deg, rgba(84, 35, 130, 0.9), rgba(38, 255, 230, 0.12));
    border-bottom: 2px solid var(--border-glow);
    display: none;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.75rem;
  }

  .hamburger {
    display: block;
  }

  /* Show menu when toggled */
  .nav-toggle:checked ~ .site-nav {
    display: block;
  }
}

/* === Optional Wrapper === */
.wrapper {
  text-align: center;
}