/* Header layout and navigation styles for Fleuros Space */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3.75rem;
}

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

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: var(--font-size-sm);
}

.site-header__logo-mark {
  width: 1.85rem;
  height: 1.85rem;
  border-radius: 4px;
  background:
    radial-gradient(circle at 20% 0%, var(--color-accent-purple), transparent 70%),
    radial-gradient(circle at 80% 100%, var(--color-primary), transparent 65%),
    radial-gradient(circle at 10% 80%, var(--color-accent-blue), transparent 60%);
  box-shadow: 0 0 18px rgba(69, 255, 140, 0.7);
  position: relative;
  overflow: hidden;
}

.site-header__logo-mark::after {
  content: "";
  position: absolute;
  inset: 20% 15%;
  border-radius: 2px;
  border: 1px solid rgba(5, 6, 8, 0.75);
}

.site-header__logo-text {
  text-transform: uppercase;
}

.site-header__logo-accent {
  color: var(--color-primary);
}

/* Navigation */

.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

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

.site-header__nav-item a {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
}

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

.site-header__cta {
  font-size: var(--font-size-xs);
}

/* Mobile menu toggle */

.site-header__menu-toggle {
  display: none;
  position: relative;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(69, 255, 140, 0.55);
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 0.2rem;
  cursor: pointer;
  background: rgba(5, 6, 8, 0.9);
}

.site-header__menu-toggle-bar {
  width: 1.1rem;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base), background var(--transition-base);
}

.site-header__menu-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Mobile behavior */

@media (max-width: 768px) {
  .site-header__menu-toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 3.75rem;
    padding: var(--space-4) var(--container-padding-x) var(--space-5);
    background: radial-gradient(circle at 100% 0, rgba(168, 85, 255, 0.15), transparent 60%),
                rgba(5, 6, 8, 0.985);
    border-bottom: 1px solid rgba(58, 68, 97, 0.9);
    display: none;
    flex-direction: column;
    gap: var(--space-4);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .site-header__nav-item a {
    font-size: var(--font-size-sm);
  }

  .site-header__nav--open {
    display: flex;
  }

  .site-header__menu-toggle--open .site-header__menu-toggle-bar:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .site-header__menu-toggle--open .site-header__menu-toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .site-header__menu-toggle--open .site-header__menu-toggle-bar:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
  }
}

@media (min-width: 769px) {
  .site-header__nav {
    position: static;
    padding: 0;
    background: transparent;
    display: flex !important;
  }
}