/* =====================================================================
   AESTH — header.css
   Announcement bar, sticky header, category nav + panels,
   mobile menu, search sheet.
   ===================================================================== */

/* ---------- Announcement ---------- */
.announce {
  background: var(--blush-200);
  color: var(--ink);
  font-size: var(--fs-xs);
  font-weight: 700;
  padding-top: env(safe-area-inset-top, 0px);
}
.announce__track { position: relative; height: 38px; overflow: hidden; }
.announce__msg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding-inline: var(--gutter);
  text-align: center;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .45s, transform .45s var(--ease);
}
.announce__msg.is-active { opacity: 1; transform: none; }
.announce__spark { width: 12px; height: 12px; color: var(--rose-600); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s;
}
.site-header.is-scrolled { box-shadow: 0 10px 30px -24px rgba(42, 32, 35, .45); }

.site-header__bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-4);
  min-height: var(--header-h);
}
.site-header__left,
.site-header__right { display: flex; align-items: center; gap: var(--space-1); }
.site-header__right { justify-content: flex-end; }

.site-logo { display: block; padding-block: var(--space-2); }
.site-logo img {
  height: 76px;
  width: auto;
  transition: height .3s var(--ease);
}
.site-header.is-scrolled .site-logo img { height: 60px; }

.header-search {
  position: relative;
  display: none;
  width: min(300px, 100%);
}
.header-search__icon {
  position: absolute;
  left: 14px;
  top: 50%;
  width: 18px;
  height: 18px;
  transform: translateY(-50%);
  color: var(--ink-soft);
  pointer-events: none;
}
.header-search input {
  width: 100%;
  height: 44px;
  padding: 0 1rem 0 2.6rem;
  border: 1px solid var(--blush-300);
  border-radius: var(--r-pill);
  background: var(--paper);
  font-size: var(--fs-sm);
  transition: border-color .2s, background-color .2s;
}
.header-search input::placeholder { color: var(--ink-soft); }
.header-search input:focus { outline: none; border-color: var(--rose-600); background: var(--white); }

.header-help {
  display: none;
  align-items: center;
  gap: .45rem;
  margin-right: var(--space-2);
  padding: .5rem .9rem;
  border-radius: var(--r-pill);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--ink);
  transition: background-color .2s;
}
.header-help .icon { width: 19px; height: 19px; color: #1F8F55; }
.header-help:hover { background: var(--blush-100); }

/* ---------- Category nav ---------- */
.main-nav { display: none; border-top: 1px solid var(--line); }
.main-nav__list {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
}
.main-nav__item { position: static; }
.main-nav__link {
  display: flex;
  align-items: center;
  gap: .2rem;
  height: 48px;
  padding-inline: var(--space-4);
  font-weight: 700;
  font-size: var(--fs-sm);
  position: relative;
}
.main-nav__link::after {
  content: "";
  position: absolute;
  left: var(--space-4);
  right: var(--space-4);
  bottom: 8px;
  height: 2px;
  border-radius: 2px;
  background: var(--rose-700);
  transform: scaleX(0);
  transition: transform .25s var(--ease);
}
.main-nav__item:hover > .main-nav__link::after,
.main-nav__item:focus-within > .main-nav__link::after { transform: scaleX(1); }
.main-nav__chev { width: 16px; height: 16px; transition: transform .25s; }
.main-nav__item:hover .main-nav__chev { transform: rotate(180deg); }
.main-nav__link--sale { color: var(--rose-700); }

/* Drop-down panel */
.nav-panel {
  position: absolute;
  left: 50%;
  top: 100%;
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: var(--space-6);
  width: min(640px, 92vw);
  padding: var(--space-5);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 0 0 var(--r-lg) var(--r-lg);
  box-shadow: var(--shadow-panel);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -6px);
  transition: opacity .2s, transform .25s var(--ease), visibility 0s .25s;
}
.main-nav__item.has-panel:hover .nav-panel,
.main-nav__item.has-panel:focus-within .nav-panel {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
  transition-delay: 0s;
}
.nav-panel__all {
  display: inline-block;
  margin-bottom: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--fs-lg);
}
.nav-panel__all:hover { color: var(--rose-700); }
.nav-panel ul { display: grid; gap: .15rem; }
.nav-panel li a {
  display: block;
  padding: .45rem .7rem;
  margin-inline: -.7rem;
  border-radius: var(--r-sm);
  font-weight: 600;
  color: var(--ink-soft);
}
.nav-panel li a:hover { background: var(--blush-100); color: var(--ink); }
.nav-panel__feature { position: relative; display: block; border-radius: var(--r-md); overflow: hidden; }
.nav-panel__feature img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.nav-panel__feature span {
  position: absolute;
  left: .6rem;
  right: .6rem;
  bottom: .6rem;
  padding: .45rem .7rem;
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, .94);
  font-size: var(--fs-xs);
  font-weight: 700;
}

/* ---------- Mobile menu ---------- */
.mobile-nav { flex: 1; overflow-y: auto; padding: var(--space-3) var(--space-5); }
.mobile-nav__link,
.mobile-nav__group summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 54px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: var(--fs-md);
  cursor: pointer;
  list-style: none;
}
.mobile-nav__group summary::-webkit-details-marker { display: none; }
.mobile-nav__group summary .icon { width: 18px; height: 18px; transition: transform .25s; }
.mobile-nav__group[open] summary .icon { transform: rotate(180deg); }
.mobile-nav__group a:not(summary) {
  display: block;
  padding: .7rem 0 .7rem var(--space-4);
  border-bottom: 1px dashed var(--line);
  font-weight: 600;
  color: var(--ink-soft);
}
.mobile-nav__link--sale { color: var(--rose-700); }

/* ---------- Search sheet (mobile) ---------- */
.search-sheet {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 150;
  padding-top: env(safe-area-inset-top, 0px);
  background: var(--white);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-panel);
}
.search-sheet__form { position: relative; display: flex; align-items: center; gap: var(--space-2); min-height: 72px; }
.search-sheet__icon { position: absolute; left: calc(var(--gutter) + 14px); width: 18px; height: 18px; color: var(--ink-soft); }
.search-sheet input {
  flex: 1;
  height: 48px;
  padding: 0 1rem 0 2.6rem;
  border: 1px solid var(--blush-300);
  border-radius: var(--r-pill);
  background: var(--paper);
  font-size: var(--fs-base);
}
.search-sheet input:focus { outline: none; border-color: var(--rose-600); }

/* ---------- Breakpoints ---------- */
@media (max-width: 1023px) {
  :root { --header-h: 64px; }
  .site-logo img { height: 54px; }
  .site-header.is-scrolled .site-logo img { height: 46px; }
}
@media (min-width: 1024px) {
  .site-header__menu,
  .site-header__search-btn { display: none; }
  .header-search { display: block; }
  .header-help { display: inline-flex; }
  .main-nav { display: block; }
  .main-nav__list { position: relative; }
}