/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(160%) blur(8px);
  border-block-end: 1px solid var(--color-line);
}
.site-header__row {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  height: var(--header-h);
}
.brand {
  display: flex; align-items: center; gap: var(--sp-3);
  font-weight: 800;
  font-size: var(--fs-18);
  color: var(--color-ink);
}
.brand__mark {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: var(--color-brand);
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800;
  font-family: var(--font-display);
}
.brand:hover { color: var(--color-ink); }

.nav {
  display: none;
  gap: var(--sp-6);
  margin-inline-start: auto;
}
@media (min-width: 960px) { .nav { display: flex; } }
.nav a {
  font-weight: 600;
  color: var(--color-ink-2);
  padding: 0.5rem 0;
  border-block-end: 2px solid transparent;
}
.nav a:hover { color: var(--color-brand); }
.nav a[aria-current="page"] {
  color: var(--color-brand);
  border-block-end-color: var(--color-brand);
}

.header-actions {
  display: flex; align-items: center; gap: var(--sp-2);
  margin-inline-start: var(--sp-4);
}
@media (min-width: 960px) { .header-actions { margin-inline-start: 0; } }
.cart-btn {
  position: relative;
  display: inline-flex; align-items: center; gap: var(--sp-2);
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--color-line);
  border-radius: var(--r-pill);
  font-weight: 600;
  font-size: var(--fs-14);
}
.cart-btn:hover { border-color: var(--color-ink); color: var(--color-ink); }
.cart-btn__count {
  background: var(--color-brand);
  color: #fff;
  border-radius: var(--r-pill);
  padding: 0 0.45rem;
  min-width: 1.25rem;
  height: 1.25rem;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: var(--fs-12);
  font-weight: 700;
  line-height: 1;
}
.cart-btn__count[hidden] { display: none; }

.menu-toggle {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border: 1px solid var(--color-line);
  border-radius: var(--r-md);
  background: transparent;
}
@media (min-width: 960px) { .menu-toggle { display: none; } }

.mobile-nav {
  display: none;
  flex-direction: column;
  padding: var(--sp-3) var(--gutter) var(--sp-5);
  gap: var(--sp-2);
  border-block-start: 1px solid var(--color-line);
  background: #fff;
}
.mobile-nav.is-open { display: flex; }
.mobile-nav a {
  padding: 0.6rem 0.5rem;
  border-radius: var(--r-md);
  font-weight: 600;
}
.mobile-nav a[aria-current="page"] { background: var(--color-bg-soft); color: var(--color-brand); }

/* ============ Footer ============ */
.site-footer {
  background: var(--color-bg-dark);
  color: var(--color-on-dark);
  padding-block: var(--sp-12) var(--sp-6);
  margin-block-start: var(--sp-16);
}
.site-footer a { color: rgba(255,255,255,.78); }
.site-footer a:hover { color: #fff; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(2, 1fr);
  gap: var(--sp-8);
  margin-bottom: var(--sp-8);
}
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; gap: var(--sp-6); } }
.footer-col h4 {
  color: #fff;
  font-size: var(--fs-16);
  margin-bottom: var(--sp-4);
}
.footer-col p { color: rgba(255,255,255,.7); font-size: var(--fs-14); }
.footer-list li { margin-bottom: var(--sp-2); }
.footer-bottom {
  border-block-start: 1px solid rgba(255,255,255,.1);
  padding-block-start: var(--sp-5);
  font-size: var(--fs-14);
  color: rgba(255,255,255,.6);
  display: flex; flex-wrap: wrap; gap: var(--sp-4); justify-content: space-between;
}

/* ============ Common grids ============ */
.grid-products {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--sp-5);
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-5); }
@media (max-width: 720px) { .grid-2 { grid-template-columns: 1fr; } }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-5); }
@media (max-width: 960px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .grid-3 { grid-template-columns: 1fr; } }

.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-5); }
@media (max-width: 960px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }