/* Header styles for ComputechPL */

.ct-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(6, 7, 9, 0.96), rgba(6, 7, 9, 0.90));
  border-bottom: 1px solid var(--color-border-subtle);
}

.ct-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-12);
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

/* Brand */

.ct-header__brand-wrapper {
  flex: 0 0 auto;
}

.ct-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  color: var(--color-text);
}

.ct-header__logo-mark {
  position: relative;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 30%, rgba(47, 125, 246, 0.9), rgba(21, 25, 33, 1));
  box-shadow: 0 0 0 1px rgba(47, 125, 246, 0.4), var(--shadow-sm);
}

.ct-header__logo-orbit {
  position: absolute;
  inset: 6px;
  border-radius: 999px;
  border: 1px solid rgba(247, 247, 249, 0.2);
  border-top-color: rgba(47, 125, 246, 0.85);
  border-bottom-color: rgba(38, 194, 129, 0.75);
}

.ct-header__logo-core {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #f7f7f9;
}

.ct-header__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.ct-header__brand-name {
  font-family: "Space Grotesk", var(--font-sans);
  font-size: 1.125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ct-header__brand-tagline {
  font-size: var(--font-size-xs);
  color: var(--color-text-soft);
}

/* Nav */

.ct-header__nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-12);
}

.ct-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-12);
}

.ct-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.2rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-soft);
}

.ct-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-success));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-base);
}

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

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

.ct-header__actions {
  display: flex;
  align-items: center;
}

.ct-header__action-btn {
  font-size: var(--font-size-xs);
  padding-inline: 1rem;
}

/* Mobile menu toggle */

.ct-header__menu-toggle {
  display: none;
  align-items: center;
  gap: var(--space-4);
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: var(--color-surface-soft);
  color: var(--color-text);
}

.ct-header__menu-toggle-box {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}

.ct-header__menu-toggle-line {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base), background-color var(--transition-base);
}

.ct-header__menu-toggle-text {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-soft);
}

.ct-header__menu-toggle[aria-expanded="true"] .ct-header__menu-toggle-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

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

.ct-header__menu-toggle[aria-expanded="true"] .ct-header__menu-toggle-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Responsive */

@media (max-width: 880px) {
  .ct-header__inner {
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
  }

  .ct-header__menu-toggle {
    display: inline-flex;
  }

  .ct-header__nav {
    position: absolute;
    inset-block-start: 100%;
    inset-inline: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-12) var(--space-16) var(--space-16);
    background: radial-gradient(circle at top, rgba(47, 125, 246, 0.12), transparent), var(--color-background-elevated);
    border-bottom: 1px solid var(--color-border-subtle);
    box-shadow: var(--shadow-md);
  }

  .ct-header__nav--open {
    display: flex;
  }

  .ct-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-8);
    padding-bottom: var(--space-12);
    border-bottom: 1px solid var(--color-border-subtle);
  }

  .ct-header__nav-link {
    width: 100%;
    padding-inline: 0.1rem;
  }

  .ct-header__actions {
    padding-top: var(--space-12);
  }

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

@media (max-width: 520px) {
  .ct-header__brand-tagline {
    display: none;
  }
}

/* Reduced motion */

@media (prefers-reduced-motion: reduce) {
  .ct-header__menu-toggle-line {
    transition: none;
  }
}