/* KidToyora Header Styles */

.kt-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: radial-gradient(circle at top left, #fff8d9 0, #ffffff 40%, #f3f7ff 100%);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(16px);
}

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

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

.kt-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-6);
  color: var(--color-text);
}

.kt-header__logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--color-primary-soft), #ffe3f0);
  box-shadow: var(--shadow-sm);
  font-size: 1.3rem;
}

.kt-header__logo-text {
  font-family: var(--font-rounded);
  font-weight: 700;
  letter-spacing: 0.03em;
  font-size: 1.2rem;
}

/* Navigation */
.kt-header__nav {
  display: flex;
}

.kt-header__nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-10);
}

.kt-header__nav-link {
  position: relative;
  font-family: var(--font-rounded);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  padding: 0.35rem 0.1rem;
  border-radius: var(--radius-pill);
}

.kt-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.05rem;
  width: 0;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-pink));
  transition: width var(--transition-normal);
}

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

.kt-header__nav-item--highlight .kt-header__nav-link--cta {
  padding: 0.45rem 1.1rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-pink));
  color: #3b2a00;
  box-shadow: var(--shadow-sm);
}

.kt-header__nav-item--highlight .kt-header__nav-link--cta::after {
  display: none;
}

.kt-header__nav-item--highlight .kt-header__nav-link--cta:hover {
  filter: brightness(1.03);
  transform: translateY(-1px);
}

/* Toggle (mobile) */
.kt-header__toggle {
  display: none;
  align-items: center;
  gap: var(--space-4);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-pill);
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-xs);
  font-family: var(--font-rounded);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.kt-header__toggle-icon {
  position: relative;
  width: 20px;
  height: 16px;
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
}

.kt-header__toggle-icon span {
  display: block;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* Open state */
.kt-header__toggle[aria-expanded="true"] .kt-header__toggle-icon span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.kt-header__toggle[aria-expanded="true"] .kt-header__toggle-icon span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .kt-header__inner {
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
  }

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

  .kt-header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    box-shadow: var(--shadow-md);
    transform-origin: top;
    transform: scaleY(0.95);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
  }

  .kt-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-8) var(--space-16) var(--space-12);
    gap: var(--space-6);
  }

  .kt-header__nav-item--highlight .kt-header__nav-link--cta {
    width: 100%;
    text-align: center;
  }

  /* Menu open state, toggled via JS by adding class */
  .kt-header__nav--open {
    opacity: 1;
    visibility: visible;
    transform: scaleY(1);
  }
}

@media (max-width: 480px) {
  .kt-header__logo-text {
    font-size: 1.05rem;
  }
}