/* ---------- HEADER ---------- */
.iw-header {
  position: sticky; top: 0; z-index: 1003;
  background: var(--iw-header-bg); color: var(--iw-header-text);
  border-bottom: 1px solid rgba(255,255,255,.08);
  backdrop-filter: saturate(140%) blur(6px);
}
.iw-header__inner {
  height: var(--iw-header-height);
  display: grid;
  align-items: center;
  grid-template-columns: auto 1fr auto; /* brand | nav | actions */
  gap: .75rem;
  transition: height .2s ease;
}
.iw-brand { display: inline-flex; align-items: center; gap: .5rem; text-decoration: none; color: inherit; }
.iw-brand img { display:block; height: 32px; width:auto; }
@media (min-width: 1024px){ .iw-brand img { height: 40px; } }
@media (max-width: 1024px){ .iw-brand img { height: 28px; } }