/* Header styles scoped to .khc-header */

.khc-header {
  position: sticky;
  top: 0;
  z-index: 40;
}

.khc-header__inner {
  min-height: 3.75rem;
}

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

.khc-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--gray-900);
}

.khc-header__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: radial-gradient(circle at 20% 20%, var(--color-primary), var(--color-primary-strong));
  box-shadow: var(--shadow-md);
  position: relative;
}

.khc-header__logo-mark::after {
  content: "";
  position: absolute;
  inset: 18%;
  border-radius: 8px;
  border: 2px solid rgba(255, 255, 255, 0.8);
}

.khc-header__logo-text {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
}

/* Navigation */
.khc-header__nav {
  margin-left: auto;
}

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

.khc-header__nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-700);
}

.khc-header__nav-link--cta {
  color: #ffffff;
}

.khc-header__nav-item--cta {
  margin-left: var(--space-2);
}

/* Mobile toggle */
.khc-header__toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-round);
  border: 1px solid var(--gray-200);
  background-color: #ffffff;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.khc-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--gray-800);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.khc-header__toggle-bar + .khc-header__toggle-bar {
  margin-top: 4px;
}

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

/* Toggle active state */
.khc-header__toggle--active .khc-header__toggle-bar:first-child {
  transform: translateY(3px) rotate(45deg);
}

.khc-header__toggle--active .khc-header__toggle-bar:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

/* Mobile layout */
@media (max-width: 768px) {
  .khc-header__toggle {
    display: flex;
    flex-direction: column;
  }

  .khc-header__nav {
    position: fixed;
    inset: 64px 0 auto 0;
    background-color: rgba(15, 23, 42, 0.04);
    backdrop-filter: blur(10px);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
  }

  .khc-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-3) var(--space-4) var(--space-4);
    background: white;
  }

  .khc-header__nav-item {
    border-radius: var(--radius-md);
  }

  .khc-header__nav-link {
    display: block;
    padding: var(--space-2) 0;
  }

  .khc-header__nav-item--cta {
    margin-left: 0;
    margin-top: var(--space-2);
  }

  .khc-header__nav-link--cta {
    width: 100%;
    justify-content: center;
  }

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

/* Desktop layout */
@media (min-width: 769px) {
  .khc-header__nav {
    position: static;
    transform: none !important;
    opacity: 1 !important;
    pointer-events: auto !important;
  }
}

/* Utility: body lock when menu open */
.khc-header--nav-open {
  overflow: hidden;
}