.install-btn {
  color: var(--ink);
  background: var(--lime);
  border-color: #c8da5c;
  font-weight: 900;
}

.install-guide {
  position: fixed;
  z-index: 50;
  inset: 0;
  display: grid;
  align-items: end;
  justify-items: center;
  padding: 20px;
  background: rgba(10, 18, 14, .58);
  backdrop-filter: blur(7px);
}

.install-sheet {
  position: relative;
  width: min(100%, 440px);
  padding: 30px 24px 24px;
  border: 1px solid rgba(255, 255, 255, .7);
  border-radius: 28px;
  background: var(--card);
  box-shadow: 0 25px 70px rgba(8, 18, 12, .3);
  animation: install-sheet-in .28s ease-out;
}

.install-sheet h2 {
  margin: 10px 0 8px;
  font: 700 30px/1.1 Georgia, serif;
}

.install-sheet p,
.install-sheet li {
  color: var(--muted);
  line-height: 1.5;
}

.install-sheet ol {
  margin: 20px 0 6px;
  padding-left: 24px;
}

.install-sheet li {
  margin: 8px 0;
}

.install-close {
  position: absolute;
  top: 15px;
  right: 15px;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  background: white;
  font-size: 22px;
}

.install-app-icon {
  width: 62px;
  height: 62px;
  margin-bottom: 20px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: var(--lime);
  background: var(--ink);
  box-shadow: 0 10px 22px rgba(23, 35, 29, .2);
  font: 800 34px Georgia, serif;
}

@keyframes install-sheet-in {
  from { opacity: 0; transform: translateY(22px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (min-width: 600px) {
  .install-guide { align-items: center; }
}

@media (prefers-reduced-motion: reduce) {
  .install-sheet { animation: none; }
}