/* Header layout */
.site-header {
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

/* Brand */
.header-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text);
}

.brand-mark {
  position: relative;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 0.8rem;
  background: radial-gradient(circle at 30% 20%, rgba(243, 111, 69, 0.6), transparent 55%),
              radial-gradient(circle at 70% 80%, rgba(39, 174, 96, 0.5), transparent 55%),
              #05070b;
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.brand-chip {
  position: absolute;
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 999px;
  border: 2px solid rgba(5, 7, 11, 0.95);
}

.brand-chip--poker {
  background: #e74c3c;
  top: 0.1rem;
  left: 0.25rem;
}

.brand-chip--sport {
  background: #2ecc71;
  bottom: 0.1rem;
  right: 0.25rem;
}

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

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

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

/* Navigation */
.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-item--cta {
  margin-left: var(--space-4);
}

.nav-item--cta .btn {
  white-space: nowrap;
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  position: relative;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.14);
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: var(--color-text);
}

.nav-toggle-bar {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1.15rem;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transform-origin: center;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle-bar:nth-child(1) {
  transform: translate(-50%, calc(-50% - 5px));
}

.nav-toggle-bar:nth-child(2) {
  transform: translate(-50%, -50%);
}

.nav-toggle-bar:nth-child(3) {
  transform: translate(-50%, calc(-50% + 5px));
}

/* Toggle animation when open */
.nav-toggle.is-active .nav-toggle-bar:nth-child(1) {
  transform: translate(-50%, -50%) rotate(45deg);
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(2) {
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.8);
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(3) {
  transform: translate(-50%, -50%) rotate(-45deg);
}

/* Mobile nav behaviour */
@media (max-width: 768px) {
  .nav-toggle {
    display: inline-flex;
    position: relative;
    z-index: 52;
  }

  .site-nav {
    position: fixed;
    inset-inline: 0;
    top: 0;
    padding-top: 4.25rem; /* header height space */
    padding-bottom: 1.5rem;
    background: radial-gradient(circle at top, rgba(243, 111, 69, 0.22), transparent 55%),
                rgba(5, 7, 11, 0.98);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    z-index: 51;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    padding-inline: var(--container-padding-x);
  }

  .nav-item--cta {
    margin-left: 0;
    margin-top: var(--space-2);
  }

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

/* Reduced motion: no sliding, just show/hide */
@media (prefers-reduced-motion: reduce) {
  .site-nav {
    transition: none;
  }
}