/* ═══════════════════════════════════════════════
   HEADER RESPONSIVE — Mobile-first
   Hamburger mode: ≤ 768px
   ═══════════════════════════════════════════════ */

/* ── 1. Header Top bar ─────────────────────── */
.header__top {
  position: relative;
}

/* Login hidden on desktop (lives in nav) */
.header__top-login {
  display: none;
}

/* ── 2. Search expand (mobile-only) ─────────── */
.header__search-expand {
  display: none;
}

/* ── 3. Hamburger ────────────────────────────── */
.header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 3.8rem;
  height: 3.8rem;
  cursor: pointer;
  z-index: 1001;
  flex-shrink: 0;
}

.header__hamburger .line-1,
.header__hamburger .line-2,
.header__hamburger .line-3 {
  width: 100%;
  height: 2.5px;
  background-color: var(--color-text-base);
  border-radius: 2px;
  transition:
    transform 0.3s ease,
    opacity 0.3s ease;
  transform-origin: center;
}

/* Hamburger → X animation */
.header__hamburger.is-open .line-1 {
  transform: translateY(7.5px) rotate(45deg);
}
.header__hamburger.is-open .line-2 {
  opacity: 0;
  transform: scaleX(0);
}
.header__hamburger.is-open .line-3 {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ── 4. Slide-in drawer ──────────────────────── */
.header__drawer {
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: min(30rem, 80vw);
  background-color: var(--color-surface-base);
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.18);
  z-index: 1000;
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  padding: 6rem 2.4rem 3rem;
  overflow-y: auto;
}

.header__drawer.is-open {
  transform: translateX(0);
}

.header__drawer-menu {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.header__drawer-menu li {
  border-bottom: 1px solid var(--color-border-subtle);
}

.header__drawer-menu li a {
  display: block;
  padding: 1.4rem 0.4rem;
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--color-text-base);
  transition:
    color 0.2s ease,
    padding-left 0.2s ease;
}

.header__drawer-menu li a:hover {
  color: var(--color-primary);
  padding-left: 0.8rem;
}

.header__drawer-close {
  position: absolute;
  top: 1.8rem;
  right: 1.8rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-base);
  font-size: 2.4rem;
  line-height: 1;
  padding: 0.4rem;
  transition: color 0.2s;
}
.header__drawer-close:hover {
  color: var(--color-primary);
}

/* Backdrop */
.header__backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.header__backdrop.is-open {
  display: block;
  opacity: 1;
}

/* ══════════════════════════════════════════════
   BREAKPOINT ≤ 1200px — tablet/mobile landscape
   ══════════════════════════════════════════════ */
@media screen and (max-width: 1200px) {
  .padd-lr {
    padding-inline: calc(1rem + 2vw);
  }

  .header__top {
    gap: 1rem;
    flex-wrap: nowrap;
    padding: 0.8rem calc(1rem + 2vw);
  }

  .header__top-info {
    display: none;
  }

  .header__top-login {
    display: inline-flex;
  }

  .header__top-login.btn {
    padding: 0.4rem 1.4rem;
  }

  .header__top-login svg {
    width: 1.8rem;
    height: 1.8rem;
    stroke-width: 1.75;
  }

  .header__top-login span {
    margin-top: 0.5rem;
  }

  .header__nav--logo {
    width: 7rem;
  }

  .header__nav--login {
    display: none;
  }

  .header__nav-menu-item a {
    font-size: 1.6rem;
  }
}

/* ══════════════════════════════════════════════
   BREAKPOINT ≤ 768px — mobile portrait
   ══════════════════════════════════════════════ */
@media screen and (max-width: 768px) {
  .header__nav {
    padding: 0 calc(1rem + 4vw);
    gap: 1.5rem;
    justify-content: space-between;
  }

  .header__nav--logo {
    width: 6.5rem;
    order: 1;
  }

  .header__nav-menu {
    display: none;
  }

  .header__right {
    order: 2;
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: auto;
  }

  .header__hamburger {
    display: flex;
  }
}

/* ══════════════════════════════════════════════
   SUBMENU — Mobile Drawer (accordion)
   ══════════════════════════════════════════════ */
.drawer-item__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border-subtle);
}

.drawer-item__row--lv1 {
  border-bottom: none;
  padding-left: 1.6rem;
}

.drawer-item__link {
  display: block;
  flex: 1;
  padding: 1.4rem 0.4rem;
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--color-text-base);
  transition: color 0.2s ease;
}

.drawer-item__link:hover {
  color: var(--color-primary);
}

.drawer-item__toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-subtle);
  transition:
    color 0.2s,
    transform 0.25s ease;
  flex-shrink: 0;
}

.drawer-item__toggle svg {
  width: 1.4rem;
  height: 1.4rem;
}

.drawer-item__toggle--sm svg {
  width: 1.2rem;
  height: 1.2rem;
}

.drawer-item__toggle.is-open {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.drawer-sub {
  list-style: none;
  padding: 0;
  margin: 0;
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease;
  background: var(--color-surface-subtle);
}

.drawer-sub.is-open {
  max-height: 50rem;
}

.drawer-sub--lv1 {
  border-left: 3px solid var(--color-primary);
  margin-left: 0.8rem;
}

.drawer-sub--lv2 {
  border-left: 3px solid var(--color-tertiary);
  margin-left: 1.6rem;
  background: #fff;
}

.drawer-sub__link {
  display: block;
  padding: 1.1rem 1.6rem;
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--color-text-base);
  border-bottom: 1px solid var(--color-border-subtle);
  transition:
    color 0.2s,
    padding-left 0.2s;
}

.drawer-sub__link:hover {
  color: var(--color-primary);
  padding-left: 2rem;
}

.drawer-sub__link--lv2 {
  font-size: 1.5rem;
  color: var(--color-text-subtle);
  padding: 0.9rem 1.6rem;
}

.drawer-sub__link--lv2:hover {
  color: var(--color-tertiary);
}

/* ══════════════════════════════════════════════
   BREAKPOINT ≤ 600px — small mobile
   ══════════════════════════════════════════════ */
@media screen and (max-width: 600px) {
  .header__top {
    padding: 0.8rem calc(1rem + 2vw);
  }

  .header__language-label {
    display: none;
  }

  .header__search-expand-input.is-open {
    width: 12rem;
  }

  .header__top-login.btn {
    padding: 0.4rem 1rem;
  }

  .header__top-login span {
    font-size: 1.5rem;
  }

  .header__top-login svg {
    width: 1.7rem;
    height: 1.7rem;
    stroke-width: 1.75;
  }
}