/* Kitvorany Header Styles */

.kv-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: rgba(247, 243, 236, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-subtle);
}

.kv-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);
}

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

.kv-header__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-6);
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-gray-900);
}

.kv-header__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: radial-gradient(circle at 20% 20%, #ffffff 0, #ffffff 30%, var(--color-primary) 80%);
  box-shadow: var(--shadow-sm);
}

.kv-header__logo-text {
  white-space: nowrap;
}

/* Navigation */

.kv-header__nav {
  flex: 1 1 auto;
}

.kv-header__nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-16);
  list-style: none;
  margin: 0;
  padding: 0;
}

.kv-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0;
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-gray-700);
}

.kv-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-base);
}

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

.kv-header__nav-item--accent .kv-header__nav-link--cta {
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(122, 156, 123, 0.3);
  background-color: var(--color-primary-soft);
  color: var(--color-gray-900);
}

.kv-header__nav-item--accent .kv-header__nav-link--cta::after {
  display: none;
}

.kv-header__nav-item--accent .kv-header__nav-link--cta:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

/* Actions (search, cart) */

.kv-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.kv-header__icon-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  color: var(--color-gray-800);
  background-color: var(--color-background-alt);
  transition: background-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-fast), border-color var(--transition-base);
}

.kv-header__icon-link:hover {
  background-color: var(--color-primary-soft);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.kv-header__icon-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.kv-header__cart-count {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary-strong);
  color: #ffffff;
  font-size: var(--font-size-xs);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Mobile toggle */

.kv-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background-color: var(--color-background-alt);
  cursor: pointer;
}

.kv-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 99px;
  background-color: var(--color-gray-800);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

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

/* Toggle animation when active */

.kv-header--menu-open .kv-header__toggle-bar:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

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

.kv-header--menu-open .kv-header__toggle-bar:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Responsive layout */

@media (max-width: 900px) {
  .kv-header__inner {
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
  }

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

  .kv-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background-color: rgba(247, 243, 236, 0.98);
    border-bottom: 1px solid var(--color-border-subtle);
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  }

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

  .kv-header__nav-link {
    font-size: var(--font-size-base);
  }

  .kv-header__actions {
    gap: var(--space-4);
  }

  .kv-header--menu-open .kv-header__nav {
    opacity: 1;
    visibility: visible;
    transform: scaleY(1);
  }
}

@media (max-width: 600px) {
  .kv-header__logo-text {
    font-size: var(--font-size-lg);
  }

  .kv-header__logo-mark {
    width: 28px;
    height: 28px;
  }
}