/* ========== Topbar ========== */
.topbar {
  background: var(--color-ink);
  color: var(--color-surface);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: center;
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ========== Site header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--color-header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-line);
}

.site-header__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  min-height: var(--header-height);
  gap: var(--space-4);
}

.site-header__nav {
  display: none !important;
}

.site-logo {
  grid-column: 1;
  grid-row: 1;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

.site-logo img {
  display: block;
  height: clamp(48px, 5.8vw, 64px);
  width: auto;
  max-width: min(200px, 48vw);
  object-fit: contain;
  background: transparent;
  mix-blend-mode: multiply;
}

.site-logo:hover {
  opacity: 0.92;
}

.site-header__actions {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-1);
}

.site-header__menu-toggle {
  display: inline-flex;
}

@media (min-width: 992px) {
  .site-header__menu-toggle {
    display: none;
  }
}

@media (max-width: 991px) {
  .site-header__inner {
    min-height: var(--header-height-mobile);
    gap: var(--space-2);
  }

  .site-logo img {
    height: 44px;
  }

  .site-header__actions [data-account-link] {
    display: none;
  }
}

@media (max-width: 767px) {
  .topbar {
    height: auto;
    min-height: 32px;
    padding: 0.4rem 0.85rem;
    font-size: 0.62rem;
    letter-spacing: 0.06em;
    line-height: 1.35;
  }

  .site-logo img {
    height: 40px;
    max-width: 42vw;
  }

  .icon-btn {
    width: 44px;
    height: 44px;
  }
}

@media (min-width: 768px) and (max-width: 1099px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }
}

/* ========== Category nav (Bircancil-style bar) ========== */
.cat-nav {
  display: none;
  border-top: 1px solid var(--color-line);
  background: var(--color-surface);
}

.cat-nav__inner {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 0.15rem;
  flex-wrap: nowrap;
}

.cat-nav__item {
  position: relative;
}

.cat-nav__link {
  display: flex;
  align-items: center;
  height: 46px;
  padding: 0 0.85rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.cat-nav__link:hover,
.cat-nav__item--has-children:hover > .cat-nav__link {
  color: var(--color-sale);
}

.cat-nav__link--sale {
  color: var(--color-sale);
}

.cat-nav__dropdown {
  position: absolute;
  left: 0;
  top: 100%;
  min-width: 200px;
  padding: 0.65rem 0;
  background: #fff;
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-soft);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity var(--duration-fast) var(--ease), transform var(--duration-fast) var(--ease), visibility var(--duration-fast) var(--ease);
  z-index: 20;
}

.cat-nav__item--has-children:hover .cat-nav__dropdown,
.cat-nav__item--has-children:focus-within .cat-nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.cat-nav__dropdown a {
  display: block;
  padding: 0.55rem 1rem;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}

.cat-nav__dropdown a:hover {
  background: #f7f5f3;
  color: var(--color-sale);
}

@media (min-width: 992px) {
  .cat-nav {
    display: block;
  }
}

@media (min-width: 992px) and (max-width: 1199px) {
  .cat-nav__link {
    padding: 0 0.55rem;
    font-size: 0.68rem;
    letter-spacing: 0.04em;
  }
}

/* ========== Mobile nav ========== */
.mobile-nav a,
.mobile-nav summary {
  display: block;
  padding: var(--space-4) 0;
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  border-bottom: 1px solid var(--color-line);
  cursor: pointer;
  list-style: none;
}

.mobile-nav summary::-webkit-details-marker {
  display: none;
}

.mobile-nav__group {
  border-bottom: 1px solid var(--color-line);
}

.mobile-nav__group > summary {
  border-bottom: 0;
}

.mobile-nav__group a {
  font-family: var(--font-body);
  font-size: var(--fs-md);
  padding-left: var(--space-3);
}

.mobile-nav__sale {
  color: var(--color-sale);
}

.mobile-nav__meta {
  margin-top: var(--space-6);
  display: grid;
  gap: var(--space-3);
  font-size: var(--fs-sm);
  color: var(--color-ink-muted);
}

/* ========== Footer ========== */
.site-footer {
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.72);
  padding-block: var(--space-8) var(--space-6);
  margin-top: var(--space-section);
}

.site-footer a:hover {
  color: #fff;
}

.footer-grid {
  display: grid;
  gap: var(--space-7);
  grid-template-columns: 1fr;
}

@media (min-width: 1100px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: var(--space-6);
  }
}

.footer-brand__name {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  letter-spacing: 0.16em;
  color: #fff;
  margin-bottom: var(--space-4);
}

.footer-brand__logo {
  display: inline-block;
  margin-bottom: var(--space-4);
  line-height: 0;
}

.footer-brand__logo img {
  display: block;
  height: 88px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  background: transparent;
  mix-blend-mode: multiply;
}

.footer-brand__text {
  font-size: var(--fs-sm);
  max-width: 280px;
  line-height: var(--lh-body);
}

.footer-col__title {
  color: #fff;
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.footer-col ul {
  display: grid;
  gap: var(--space-3);
}

.footer-col a {
  font-size: var(--fs-sm);
}

.footer-bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
}

.payment-marks {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  opacity: 0.7;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ========== Product grid ========== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5) var(--space-3);
}

@media (min-width: 768px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6) var(--space-4);
  }
}

@media (min-width: 1100px) {
  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ========== Category grid ========== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

@media (min-width: 768px) {
  .category-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
  }
}

@media (min-width: 1100px) {
  .category-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}