/* ==========================
   FastGameZone Header
   ========================== */

.fgz-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: linear-gradient(90deg, rgba(2, 3, 10, 0.98), rgba(6, 19, 58, 0.96));
  border-bottom: 1px solid rgba(0, 229, 255, 0.3);
}

.fgz-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
  gap: var(--space-4);
}

/* Brand / logo */

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

.fgz-header__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent-yellow);
}

.fgz-header__logo::after {
  display: none;
}

.fgz-header__logo-mark {
  width: 26px;
  height: 26px;
  border-radius: var(--radius-none);
  background: conic-gradient(from 180deg, var(--color-primary), var(--color-accent-pink), var(--color-accent-yellow), var(--color-primary));
  box-shadow:
    0 0 0 2px #02030a,
    0 0 18px rgba(0, 229, 255, 0.75);
  position: relative;
}

.fgz-header__logo-mark::before {
  content: "";
  position: absolute;
  inset: 4px;
  background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.65), transparent 55%),
              radial-gradient(circle at 70% 80%, rgba(0, 0, 0, 0.8), #02030a 80%);
}

.fgz-header__logo-text {
  white-space: nowrap;
}

/* Navigation */

.fgz-header__nav {
  margin-left: auto;
}

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

.fgz-header__nav-link {
  position: relative;
  padding-block: 0.35rem;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

.fgz-header__nav-link::after {
  height: 2px;
  bottom: -4px;
}

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

.fgz-header__nav-link--active {
  color: var(--color-accent-yellow);
}

.fgz-header__nav-link--active::after {
  transform: scaleX(1);
}

/* Mobile toggle */

.fgz-header__toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 229, 255, 0.6);
  background: rgba(8, 10, 30, 0.95);
  color: var(--color-text);
  cursor: pointer;
}

.fgz-header__toggle:focus-visible {
  box-shadow: var(--shadow-focus);
}

.fgz-header__toggle-box {
  position: relative;
  width: 22px;
  height: 18px;
}

.fgz-header__toggle-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--color-primary);
  transition: transform var(--transition-normal),
              opacity var(--transition-normal),
              top var(--transition-normal),
              bottom var(--transition-normal),
              background var(--transition-normal);
}

.fgz-header__toggle-line--top {
  top: 0;
}

.fgz-header__toggle-line--middle {
  top: 50%;
  transform: translateY(-50%);
}

.fgz-header__toggle-line--bottom {
  bottom: 0;
}

.fgz-header__toggle-text {
  font-family: var(--font-display);
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* Open state animations */

.fgz-header--menu-open .fgz-header__toggle-line--top {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
  background: var(--color-accent-pink);
}

.fgz-header--menu-open .fgz-header__toggle-line--middle {
  opacity: 0;
}

.fgz-header--menu-open .fgz-header__toggle-line--bottom {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
  background: var(--color-accent-pink);
}

/* Responsive behavior */

@media (max-width: 768px) {
  .fgz-header__inner {
    padding-block: var(--space-2);
  }

  .fgz-header__toggle {
    display: inline-flex;
  }

  .fgz-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: radial-gradient(circle at top, #05071a 0, #02030a 70%);
    border-bottom: 1px solid rgba(0, 229, 255, 0.28);
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
      opacity var(--transition-normal),
      transform var(--transition-normal),
      visibility var(--transition-normal);
  }

  .fgz-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-3) var(--space-4) var(--space-4);
    gap: var(--space-3);
  }

  .fgz-header__nav-link {
    width: 100%;
    padding-block: 0.3rem;
  }

  .fgz-header--menu-open .fgz-header__nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: scaleY(1);
  }
}

@media (max-width: 480px) {
  .fgz-header__logo-text {
    font-size: 0.7rem;
  }
}