/* Header styles for CSODA PLAY */

.site-header {
  position: relative;
  z-index: 50;
}

.header-brand {
  display: flex;
  align-items: center;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: radial-gradient(circle at 30% 20%, #ffb347 0, #ff3366 45%, #05060b 85%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow-primary);
}

.brand-mark-inner {
  width: 22px;
  height: 22px;
  border-radius: 8px;
  border: 2px solid rgba(5, 6, 11, 0.9);
  background: radial-gradient(circle at 20% 10%, rgba(255, 255, 255, 0.3), transparent 55%),
    rgba(5, 6, 11, 0.9);
}

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

.brand-title {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brand-tagline {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

/* Navigation */

.primary-nav {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-item-cta {
  margin-left: 0.5rem;
}

.nav-cta {
  letter-spacing: 0.08em;
}

.nav-link {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.nav-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Mobile navigation toggle */

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-subtle);
  background: rgba(5, 6, 11, 0.7);
  color: var(--color-text);
}

.nav-toggle-box {
  width: 20px;
  height: 18px;
  position: relative;
}

.nav-toggle-line {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform var(--transition-normal), opacity var(--transition-normal), top var(--transition-normal), bottom var(--transition-normal);
}

.nav-toggle-line-1 {
  top: 0;
}

.nav-toggle-line-2 {
  top: 8px;
}

.nav-toggle-line-3 {
  bottom: 0;
}

.nav-toggle-text {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Open state */

.site-header--menu-open .nav-toggle-line-1 {
  top: 8px;
  transform: rotate(45deg);
}

.site-header--menu-open .nav-toggle-line-2 {
  opacity: 0;
}

.site-header--menu-open .nav-toggle-line-3 {
  bottom: 8px;
  transform: rotate(-45deg);
}

/* Responsive layout */

@media (max-width: 880px) {
  .nav-toggle {
    display: inline-flex;
  }

  .primary-nav {
    position: fixed;
    inset: 60px 0 auto 0;
    background: radial-gradient(circle at top, rgba(255, 51, 102, 0.16), transparent 55%),
      rgba(5, 6, 11, 0.98);
    border-bottom: 1px solid var(--color-border-subtle);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
  }

  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) var(--space-4) var(--space-6);
    gap: 1.1rem;
  }

  .nav-item-cta {
    width: 100%;
    margin-left: 0;
    margin-top: 0.5rem;
  }

  .nav-cta {
    width: 100%;
    justify-content: center;
  }

  .site-header--menu-open .primary-nav {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
}

@media (max-width: 480px) {
  .brand-tagline {
    display: none;
  }
}