/* Header styles for BudaRo Zone / Out Beheer B.V. */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(4, 7, 20, 0.95), rgba(4, 7, 20, 0.85));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
}

/* Brand */
.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.site-header__logo-mark {
  position: relative;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, #4b7bff, transparent 55%),
              radial-gradient(circle at 70% 80%, #ff4bcb, transparent 55%),
              #050716;
  box-shadow: var(--shadow-neon-primary);
  overflow: hidden;
}

.site-header__logo-orbit {
  position: absolute;
  inset: 6px;
  border-radius: 999px;
  border: 1px dashed rgba(255, 255, 255, 0.5);
  opacity: 0.7;
}

.site-header__logo-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent-cyan);
  top: 6px;
  right: 8px;
  box-shadow: 0 0 14px rgba(34, 230, 255, 0.9);
}

.site-header__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.site-header__brand-title {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.site-header__brand-subtitle {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

/* Nav */
.site-header__nav {
  display: flex;
  align-items: center;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__nav-link {
  position: relative;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding-block: 0.25rem;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-pink));
  box-shadow: var(--shadow-neon-accent);
  transition: width var(--transition-base);
}

.site-header__nav-link:hover,
.site-header__nav-link:focus-visible {
  color: var(--color-text);
}

.site-header__nav-link:hover::after,
.site-header__nav-link:focus-visible::after {
  width: 100%;
}

.site-header__nav-link--cta {
  padding-inline: 1.1rem;
  padding-block: 0.45rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(75, 123, 255, 0.9);
  background: radial-gradient(circle at 0% 0%, rgba(75, 123, 255, 0.3), transparent 60%),
              rgba(6, 10, 28, 0.9);
  box-shadow: 0 0 16px rgba(75, 123, 255, 0.5);
}

.site-header__nav-link--cta::after {
  display: none;
}

.site-header__nav-link--cta:hover,
.site-header__nav-link--cta:focus-visible {
  background: radial-gradient(circle at 0% 0%, rgba(255, 75, 203, 0.3), transparent 60%),
              rgba(10, 15, 40, 0.96);
  color: #fff;
}

/* Mobile toggle */
.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(5, 8, 24, 0.9);
  cursor: pointer;
  color: var(--color-text);
}

.site-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-pink));
  margin-inline: auto;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.site-header__toggle:focus-visible {
  outline: 2px solid var(--color-accent-cyan);
  outline-offset: 3px;
}

/* Toggle active state */
.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile nav default (no JS: nav visible, toggle hidden) */
@media (max-width: 767.98px) {
  .site-header__toggle {
    display: none;
  }

  .site-header__nav {
    position: static;
  }

  .site-header__nav-list {
    gap: var(--space-3);
  }
}

/* Enhanced mobile experience (with JS: class .js has been added to html) */
html.js .site-header__nav {
  position: static;
}

@media (max-width: 767.98px) {
  html.js .site-header__toggle {
    display: inline-flex;
  }

  html.js .site-header__nav {
    position: fixed;
    inset: 60px 0 auto 0;
    padding: var(--space-4);
    background: radial-gradient(circle at top, rgba(75, 123, 255, 0.18), transparent 55%),
                radial-gradient(circle at bottom, rgba(255, 75, 203, 0.18), transparent 55%),
                rgba(3, 5, 18, 0.98);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }

  html.js .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
  }

  html.js .site-header__nav--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
}

/* Utility to prevent body scroll when nav open */
body.menu-open {
  overflow: hidden;
}