/* Emdyne 3D Phase 4B — prominent app installation banner */
.top-install-banner {
  position: relative;
  z-index: 35;
  width: 100%;
  background: linear-gradient(110deg, #0d1a24 0%, #133447 58%, #087da7 100%);
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.16);
  box-shadow: 0 8px 24px rgba(13,26,36,.16);
}
.top-install-banner[hidden] { display: none !important; }
.top-install-inner {
  width: min(1180px, calc(100% - 2rem));
  min-height: 68px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: .65rem 0;
}
.top-install-mark {
  position: relative;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
}
.top-install-mark span {
  position: absolute;
  left: 7px;
  width: 28px;
  height: 7px;
  border: 2px solid #70dcff;
  transform: skewY(-18deg);
  box-shadow: 0 0 12px rgba(8,168,221,.36);
}
.top-install-mark span:nth-child(1){top:20px}.top-install-mark span:nth-child(2){top:27px}.top-install-mark span:nth-child(3){top:34px}
.top-install-mark b {
  position: absolute;
  top: 1px;
  left: 15px;
  width: 13px;
  height: 13px;
  border-radius: 3px 3px 1px 1px;
  background: #fff;
}
.top-install-mark b::after {
  content: "";
  position: absolute;
  left: 3px;
  bottom: -8px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 8px solid #08a8dd;
}
.top-install-copy { display: flex; flex-direction: column; gap: .1rem; line-height: 1.2; }
.top-install-copy strong { font-size: 1rem; letter-spacing: .01em; }
.top-install-copy span { color: rgba(255,255,255,.78); font-size: .87rem; }
.top-install-button {
  appearance: none;
  border: 1px solid rgba(255,255,255,.55);
  background: #fff;
  color: #0d1a24;
  border-radius: 999px;
  padding: .72rem 1.2rem;
  min-width: 116px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(0,0,0,.18);
}
.top-install-button:hover { transform: translateY(-1px); }
@media (max-width: 780px) {
  .top-install-banner { position: sticky; top: var(--header-height, 72px); }
  .top-install-inner {
    width: calc(100% - 1rem);
    min-height: 64px;
    grid-template-columns: 36px 1fr auto;
    gap: .55rem;
    padding: .55rem 0;
  }
  .top-install-mark { width: 34px; height: 38px; transform: scale(.84); transform-origin: center; }
  .top-install-copy strong { font-size: .88rem; }
  .top-install-copy span { font-size: .73rem; line-height: 1.25; }
  .top-install-button { min-width: 88px; padding: .62rem .82rem; font-size: .82rem; }
}
@media (max-width: 420px) {
  .top-install-inner { grid-template-columns: 32px 1fr auto; }
  .top-install-copy span { max-width: 145px; }
  .top-install-button { min-width: 78px; padding-inline: .65rem; }
}