/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(253,250,245,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 3rem;
}
.logo { display: flex; flex-direction: column; line-height: 1; gap: 1px; }
.logo__name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--brown-dark);
}
.logo__sub {
  font-family: var(--font-sans);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--terracotta);
}
.logo--inv .logo__name { color: var(--cream); }
.logo--inv .logo__sub  { color: var(--sand); }

.nav { display: flex; gap: 2rem; flex: 1; }
.nav__link {
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--warm-gray);
  transition: color 0.15s;
  font-weight: 400;
}
.nav__link:hover { color: var(--terracotta); }

.cart-btn {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--brown-dark);
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-sm);
  transition: background 0.15s;
}
.cart-btn:hover { background: var(--beige); }
.cart-btn__count {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--terracotta);
  color: #fff;
  font-size: 11px;
  font-weight: 500;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
  transform: scale(0.7);
}
.cart-btn__count.visible { opacity: 1; transform: scale(1); }