/* Header styles for Computyrox */

.cx-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.88));
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

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

/* Brand */

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

.cx-header__logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Space Grotesk", var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.cx-header__logo-mark {
  width: 30px;
  height: 30px;
  border-radius: 30%;
  background: radial-gradient(circle at 30% 20%, #60a5fa 0, #1d4ed8 35%, #1d4ed8 50%, #020617 100%);
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.6), 0 10px 25px rgba(15, 23, 42, 0.7);
}

.cx-header__logo-text {
  font-size: var(--font-size-lg);
}

/* Navigation */

.cx-header__nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex: 1;
}

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

.cx-header__nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding: 6px 0;
}

.cx-header__nav-link::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: -4px;
  height: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, #3b82f6, #22c55e);
  transform-origin: center;
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.cx-header__nav-link:hover,
.cx-header__nav-link:focus-visible {
  color: #e5e7eb;
}

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

.cx-header__actions {
  margin-left: var(--space-4);
}

.cx-header__action-btn {
  font-size: var(--font-size-xs);
  padding-inline: 14px;
}

/* Mobile toggle */

.cx-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.45);
  background: rgba(15, 23, 42, 0.85);
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.cx-header__toggle:hover {
  background: rgba(15, 23, 42, 1);
  border-color: rgba(148, 163, 184, 0.8);
  box-shadow: var(--shadow-sm);
}

.cx-header__toggle:active {
  transform: translateY(1px);
  box-shadow: var(--shadow-xs);
}

.cx-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--gray-200);
  transition: transform var(--transition-fast), opacity var(--transition-fast), background-color var(--transition-fast);
}

/* Toggle animation when open */

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

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

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

/* Mobile layout */

@media (max-width: 960px) {
  .cx-header__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

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

  .cx-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 60px;
    background: radial-gradient(circle at top, #020617 0, #020617 35%, #020617 100%);
    border-bottom: 1px solid rgba(148, 163, 184, 0.25);
    padding: var(--space-4) var(--space-4) var(--space-6);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-md), opacity var(--transition-md);
  }

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

  .cx-header__actions {
    width: 100%;
    margin-left: 0;
  }

  .cx-header__action-btn {
    width: 100%;
    justify-content: center;
  }

  .cx-header__nav--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
}

@media (max-width: 640px) {
  .cx-header__logo-text {
    font-size: var(--font-size-md);
  }
}

/* Utility when menu is open to prevent background scroll (optional, set by JS) */

.cx-header-menu-open {
  overflow: hidden;
}