/* GadgetLixir Header Styles */

.glx-header {
  position: sticky;
  top: 0;
  z-index: var(--z-index-sticky);
  backdrop-filter: blur(18px);
  background: linear-gradient(90deg, rgba(10, 22, 40, 0.96), rgba(24, 25, 28, 0.96));
  border-bottom: var(--border-width) solid var(--border-color);
}

.glx-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

/* Brand */
.glx-header__brand {
  display: flex;
  align-items: center;
}

.glx-header__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  font-size: var(--font-size-lg);
}

.glx-header__logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 30% 70% 65% 35% / 35% 30% 70% 65%;
  background: radial-gradient(circle at 30% 20%, #ffffff 0, #00f0ff 25%, #00b8d4 55%, transparent 70%),
              radial-gradient(circle at 70% 80%, rgba(0, 240, 255, 0.7) 0, rgba(0, 184, 212, 0.2) 40%, transparent 70%);
  box-shadow: var(--glow-cyan-subtle);
  border: 1px solid rgba(0, 240, 255, 0.4);
}

.glx-header__logo-text {
  font-family: var(--font-family-heading);
}

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

.glx-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin: 0;
}

.glx-header__nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-text-secondary);
  padding: var(--space-2) 0;
}

.glx-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-base);
}

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

.glx-header__nav-link:hover::after,
.glx-header__nav-link:focus-visible::after {
  transform: scaleX(1);
}

/* Mobile Toggle */
.glx-header__toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: var(--border-width) solid var(--border-color-light);
  align-items: center;
  justify-content: center;
  padding: 0;
  color: var(--color-white);
  background: rgba(15, 20, 25, 0.85);
}

.glx-header__toggle-line {
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-silver-light);
  transition: transform var(--transition-base), opacity var(--transition-base), top var(--transition-base), bottom var(--transition-base);
  position: absolute;
}

.glx-header__toggle-line:nth-child(1) {
  top: 12px;
}

.glx-header__toggle-line:nth-child(2) {
  top: 50%;
  transform: translateY(-50%);
}

.glx-header__toggle-line:nth-child(3) {
  bottom: 12px;
}

.glx-header__toggle[aria-expanded="true"] .glx-header__toggle-line:nth-child(1) {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

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

.glx-header__toggle[aria-expanded="true"] .glx-header__toggle-line:nth-child(3) {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

/* Responsive */
@media (max-width: 900px) {
  .glx-header__toggle {
    display: inline-flex;
  }

  .glx-header__nav {
    position: fixed;
    inset: var(--header-height) 0 auto 0;
    max-height: 0;
    overflow: hidden;
    background: radial-gradient(circle at 0 0, rgba(0, 240, 255, 0.12) 0, transparent 50%),
                radial-gradient(circle at 100% 0, rgba(0, 240, 255, 0.08) 0, transparent 55%),
                rgba(10, 22, 40, 0.98);
    border-bottom: var(--border-width) solid var(--border-color);
    transition: max-height var(--transition-slower);
  }

  .glx-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) var(--container-padding) var(--space-6);
    gap: var(--space-3);
  }

  .glx-header__nav-link {
    font-size: var(--font-size-base);
  }

  .glx-header__nav--open {
    max-height: 320px;
  }
}

@media (max-width: 520px) {
  .glx-header__logo-text {
    font-size: var(--font-size-base);
  }
}