/* =========================================================
   KIFMAMÈCHE 2 — Header / navigation (étape 3)
   ========================================================= */

.km-site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  border-bottom: var(--km-border-width) solid var(--km-color-border);
  background: color-mix(in srgb, var(--km-color-ink) 88%, transparent);
  backdrop-filter: blur(16px);
  transition:
    background var(--km-duration-normal) var(--km-ease-standard),
    border-color var(--km-duration-normal) var(--km-ease-standard),
    box-shadow var(--km-duration-normal) var(--km-ease-standard);
}

.km-site-header.is-scrolled {
  background: rgba(8, 8, 8, 0.96);
  border-color: var(--km-color-border-strong);
  box-shadow: var(--km-shadow-sm);
}

/* Prêt pour hero transparent (étape homepage) */
.km-site-header--hero-ready:not(.is-scrolled) {
  background: color-mix(in srgb, var(--km-color-ink) 55%, transparent);
}

.km-site-header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--km-space-sm);
  min-height: var(--km-header-height);
  padding-block: 0;
}

.km-site-header__inner > * {
  min-width: 0;
}

.km-site-logo img {
  max-height: 2rem;
  width: auto;
}

.km-site-brand {
  justify-self: center;
  display: inline-flex;
  align-items: center;
  min-height: var(--km-touch-min);
  font-family: var(--km-font-display);
  font-size: clamp(1.25rem, 1.05rem + 0.6vw, 1.7rem);
  font-weight: var(--km-fw-bold);
  letter-spacing: 0.01em;
  text-transform: lowercase;
  text-decoration: none;
  color: var(--km-color-text);
}

.km-site-brand:hover {
  color: var(--km-color-text);
}

.km-wordmark {
  display: inline-flex;
  align-items: baseline;
  line-height: 1;
}

.km-wordmark__white {
  color: var(--km-color-bone);
}

.km-wordmark__blue {
  color: #4f7cff;
}

.km-wordmark__red {
  color: var(--km-color-red);
}

.km-wordmark__accented-e {
  position: relative;
  display: inline-block;
}

.km-wordmark__blonde-lock {
  position: absolute;
  z-index: 1;
  top: -0.35em;
  left: -0.08em;
  width: 0.88em;
  height: 0.55em;
  overflow: visible;
  fill: #f1c75b;
  stroke: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}

.km-wordmark__blonde-highlight {
  fill: none;
  stroke: #fff0a8;
  stroke-width: 0.9;
}

.km-wordmark--tricolor > span {
  transition: color 160ms ease;
}

.km-site-brand:hover .km-wordmark__blue {
  color: #7196ff;
}

.km-site-brand:hover .km-wordmark__red {
  color: #ff4d55;
}

.km-site-brand:hover .km-wordmark__blonde-lock {
  fill: #ffd979;
}

.km-site-brand__image {
  display: block;
  width: auto;
  height: 2rem;
  max-width: 10rem;
  object-fit: contain;
}

/* ——— Menu toggle ——— */
.km-menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--km-space-2xs);
  min-width: var(--km-touch-min);
  min-height: var(--km-touch-min);
  padding: 0 var(--km-space-xs);
  border: 0;
  border-left: var(--km-border-width) solid var(--km-color-border-strong);
  border-radius: var(--km-radius-sm);
  background: transparent;
  color: var(--km-color-text);
  font-family: var(--km-font-display);
  font-size: var(--km-text-xs);
  letter-spacing: var(--km-tracking-wider);
  text-transform: uppercase;
}

.km-menu-toggle[aria-expanded="true"] {
  border-color: var(--km-color-accent);
  color: var(--km-color-accent);
}

.km-menu-toggle__bars {
  width: 1rem;
  height: 0.75rem;
  display: block;
  background:
    linear-gradient(currentColor, currentColor) 0 0 / 100% 2px no-repeat,
    linear-gradient(currentColor, currentColor) 0 50% / 100% 2px no-repeat,
    linear-gradient(currentColor, currentColor) 0 100% / 100% 2px no-repeat;
}

.km-menu-toggle__text {
  display: none;
}

@media (min-width: 24rem) {
  .km-menu-toggle__text {
    display: inline;
  }
}

/* ——— Desktop nav ——— */
.km-nav--desktop {
  display: none;
  justify-self: center;
}

.km-menu {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--km-space-2xs) var(--km-space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.km-menu a {
  display: inline-flex;
  align-items: center;
  min-height: var(--km-touch-min);
  text-decoration: none;
  position: relative;
  font-family: var(--km-font-display);
  font-size: var(--km-text-xs);
  font-weight: var(--km-fw-semibold);
  letter-spacing: var(--km-tracking-wider);
  text-transform: uppercase;
  color: var(--km-color-text-muted);
  transition: color var(--km-duration-fast) var(--km-ease-standard);
}

.km-menu a:hover,
.km-menu .current-menu-item > a,
.km-menu .current_page_item > a {
  color: var(--km-color-text);
}

.km-nav--desktop .km-menu a::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 2px;
  background: var(--km-color-red);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform var(--km-duration-fast) var(--km-ease-standard);
}

.km-nav--desktop .km-menu a:hover::after,
.km-nav--desktop .current-menu-item > a::after,
.km-nav--desktop .current_page_item > a::after {
  transform: scaleX(1);
  transform-origin: left center;
}

.km-menu .sub-menu {
  display: none;
}

/* ——— Actions ——— */
.km-header-actions {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  justify-self: end;
  padding-left: var(--km-space-xs);
  border-left: var(--km-border-width) solid var(--km-color-border);
}

.km-icon-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--km-touch-min);
  min-height: var(--km-touch-min);
  padding: 0 var(--km-space-2xs);
  border: 0;
  background: transparent;
  color: color-mix(in srgb, var(--km-color-bone) 78%, transparent);
  text-decoration: none;
  font-family: var(--km-font-display);
  font-size: 0.625rem;
  letter-spacing: var(--km-tracking-wider);
  text-transform: uppercase;
  cursor: pointer;
  transition: color var(--km-duration-fast) var(--km-ease-standard);
}

.km-icon-btn:hover,
.km-icon-btn[aria-expanded="true"] {
  color: var(--km-color-text);
}

.km-icon-btn__label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  line-height: 1.1;
  text-align: center;
}

.km-icon-btn__icon {
  width: 1.25rem;
  height: 1.25rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.km-cart-count {
  position: absolute;
  top: 0.2rem;
  right: 0.1rem;
  min-width: 1.1rem;
  height: 1.1rem;
  padding: 0 0.25rem;
  border-radius: 999px;
  background: var(--km-color-accent);
  color: var(--km-color-bone);
  font-family: var(--km-font-display);
  font-size: 0.625rem;
  line-height: 1.1rem;
  text-align: center;
  opacity: 0;
  transform: scale(0.8);
  pointer-events: none;
  transition: opacity var(--km-duration-fast) var(--km-ease-standard);
}

.km-cart-count.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* ——— Overlay + panel mobile ——— */
.km-nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 250;
  background: rgba(0, 0, 0, 0.65);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--km-duration-normal) var(--km-ease-standard),
    visibility var(--km-duration-normal) var(--km-ease-standard);
}

.km-nav-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

.km-nav-panel {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 300;
  width: min(22rem, 92vw);
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--km-space-lg);
  padding: var(--km-space-md);
  background: var(--km-color-coal);
  border-right: var(--km-border-width) solid var(--km-color-border);
  transform: translateX(-105%);
  transition: transform var(--km-duration-normal) var(--km-ease-expressive);
  overflow-y: auto;
}

.km-nav-panel.is-open {
  transform: translateX(0);
}

.km-nav-panel[hidden],
.km-nav-overlay[hidden],
.km-search-panel[hidden] {
  display: none;
}

.km-nav-panel.is-open[hidden],
.km-nav-overlay.is-visible[hidden] {
  display: block;
}

.km-nav-panel__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--km-space-sm);
}

.km-nav-panel__brand {
  font-size: var(--km-text-base);
}

.km-nav--mobile .km-menu--mobile,
.km-menu--mobile {
  flex-direction: column;
  align-items: stretch;
  gap: 0;
}

.km-menu--mobile a {
  width: 100%;
  padding: var(--km-space-sm) 0;
  border-bottom: var(--km-border-width) solid var(--km-color-border);
  font-size: var(--km-text-lg);
  letter-spacing: var(--km-tracking-wide);
  text-transform: uppercase;
  font-family: var(--km-font-display);
  color: var(--km-color-text);
}

.km-nav-panel__actions {
  display: grid;
  gap: var(--km-space-md);
  margin-top: auto;
  padding-top: var(--km-space-md);
}

.km-nav-panel__actions .km-cart-count {
  position: static;
  display: inline-flex;
  margin-left: var(--km-space-2xs);
  opacity: 1;
  transform: none;
}

.km-nav-panel__actions .km-cart-count:not(.is-visible) {
  display: none;
}

/* ——— Search panel ——— */
.km-search-panel {
  border-top: var(--km-border-width) solid var(--km-color-border);
  background: var(--km-color-ink);
  padding-block: var(--km-space-md);
}

.km-search-panel.is-open {
  display: block;
}

.km-search-form {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--km-space-xs);
  align-items: center;
}

@media (max-width: 39.99rem) {
  .km-search-form {
    grid-template-columns: 1fr;
  }
}

/* ——— Desktop layout ——— */
@media (min-width: 75rem) {
  .km-menu-toggle {
    display: none;
  }

  .km-site-header__inner {
    grid-template-columns: auto 1fr auto;
  }

  .km-site-brand,
  .km-site-logo {
    justify-self: start;
  }

  .km-site-brand {
    min-width: 10rem;
  }

  .km-nav--desktop {
    display: block;
  }

  .km-nav--desktop .km-menu {
    flex-wrap: nowrap;
    column-gap: clamp(0.5rem, 1vw, 1rem);
  }

  .km-nav--desktop .km-menu a {
    white-space: nowrap;
    font-size: 0.875rem;
  }

  .km-nav-overlay,
  .km-nav-panel {
    display: none !important;
  }

  .km-header-actions {
    gap: var(--km-space-2xs);
  }

  .km-icon-btn {
    gap: 0.35rem;
  }

  .km-icon-btn__label {
    position: static;
    width: auto;
    height: auto;
    margin: 0;
    overflow: visible;
    clip: auto;
    white-space: normal;
  }
}

body.km-nav-open {
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
  .km-site-header,
  .km-nav-panel,
  .km-nav-overlay,
  .km-cart-count {
    transition: none;
  }
}