/* Nnexyra Header Styles */

.nx-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(24px);
  background: linear-gradient(120deg, rgba(5, 7, 20, 0.96), rgba(11, 16, 34, 0.96));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nx-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}

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

.nx-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.nx-header__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 20% 0%, rgba(127, 92, 255, 0.9), transparent 60%),
    radial-gradient(circle at 80% 100%, rgba(50, 215, 161, 0.8), transparent 60%),
    linear-gradient(145deg, #191f44, #070918);
  box-shadow: 0 0 18px rgba(127, 92, 255, 0.6);
}

.nx-header__site-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* Primary navigation */

.nx-header__nav {
  display: flex;
}

.nx-header__nav-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nx-header__nav-link {
  position: relative;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding-block: 0.25rem;
}

.nx-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.3rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #7f5cff, #32d7a1);
  transition: width var(--transition-normal);
}

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

.nx-header__nav-link:hover::after,
.nx-header__nav-link:focus-visible::after {
  width: 100%;
}

.nx-header__nav-item--highlight .nx-header__nav-link {
  color: var(--color-primary-strong);
}

/* Mobile toggle */

.nx-header__toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: radial-gradient(circle at 0 0, rgba(127, 92, 255, 0.35), transparent 60%),
    rgba(9, 11, 25, 0.95);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.28rem;
  cursor: pointer;
  color: inherit;
}

.nx-header__toggle-bar {
  width: 1.3rem;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-gray-200);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nx-header__toggle:focus-visible {
  outline: 2px solid var(--color-primary-strong);
  outline-offset: 3px;
}

/* Mobile menu open state */

.nx-header--menu-open .nx-header__toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nx-header--menu-open .nx-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.nx-header--menu-open .nx-header__toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Responsive */

@media (max-width: 960px) {
  .nx-header__toggle {
    display: inline-flex;
  }

  .nx-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 4.25rem;
    background: linear-gradient(180deg, rgba(5, 7, 20, 0.98), rgba(11, 16, 34, 0.98));
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
  }

  .nx-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: 0.85rem var(--layout-gutter) 1.1rem;
    gap: 0.9rem;
  }

  .nx-header__nav-link {
    font-size: 0.95rem;
  }

  .nx-header--menu-open .nx-header__nav {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
}

@media (max-width: 480px) {
  .nx-header__site-name {
    font-size: 1.05rem;
  }
}