.install-cta {
  position: fixed;
  left: 50%;
  bottom: max(18px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  width: min(92vw, 450px);
  z-index: 9998;
  background: var(--colors-background-brand-area, #F4F3EF);
  color: var(--colors-text-primary, #24191B);
  border: 1px solid var(--colors-border-soft, #DED6CB);
  border-radius: var(--layout-border-radius-lg, 22px);
  box-shadow: var(--layout-shadow-medium, 0 18px 46px rgba(74, 18, 29, 0.18));
  padding: 15px;
  display: none;
  gap: 13px;
  align-items: center;
}

.install-cta.is-visible { display: flex; }

.install-cta__icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--colors-brand-primary, #692530);
  color: var(--colors-text-inverse, #F4F3EF);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--typography-families-heading, Georgia, serif);
  font-weight: var(--typography-weights-bold, 700);
  font-size: 1.15rem;
  flex: 0 0 auto;
}

.install-cta__content { flex: 1; min-width: 0; }

.install-cta__title {
  margin: 0 0 4px;
  font-family: var(--typography-families-heading, Georgia, serif);
  font-size: 1.08rem;
  font-weight: var(--typography-weights-bold, 700);
  line-height: 1.1;
  color: var(--colors-brand-primary, #692530);
}

.install-cta__text {
  margin: 0;
  font-family: var(--typography-families-body, Arial, sans-serif);
  font-size: 0.88rem;
  line-height: 1.35;
  color: var(--colors-text-secondary, #6F6260);
}

.install-cta__actions { display: flex; gap: 8px; align-items: center; flex: 0 0 auto; }

.install-cta__button {
  border: 0;
  border-radius: var(--layout-border-radius-pill, 999px);
  padding: 10px 14px;
  font-family: var(--typography-families-ui, Arial, sans-serif);
  font-size: 0.84rem;
  font-weight: var(--typography-weights-bold, 700);
  letter-spacing: var(--typography-letter-spacing-button, 0.04em);
  background: var(--colors-brand-primary, #692530);
  color: var(--colors-text-inverse, #F4F3EF);
  cursor: pointer;
  white-space: nowrap;
}

.install-cta__button:hover { background: var(--colors-brand-primary-dark, #4A121D); }

.install-cta__close {
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: var(--layout-border-radius-pill, 999px);
  background: transparent;
  color: var(--colors-text-muted, #8C7F78);
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
}

.install-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  background: rgba(36, 25, 27, 0.56);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 20px;
  align-items: center;
  justify-content: center;
}

.install-overlay.is-visible { display: flex; }

.install-modal {
  width: min(94vw, 470px);
  background: var(--colors-background-brand-area, #F4F3EF);
  color: var(--colors-text-primary, #24191B);
  border: 1px solid var(--colors-border-soft, #DED6CB);
  border-radius: 26px;
  box-shadow: 0 24px 70px rgba(18, 9, 11, 0.32);
  overflow: hidden;
}

.install-modal__header {
  padding: 22px 22px 16px;
  border-bottom: 1px solid var(--colors-border-soft, #DED6CB);
  display: flex;
  gap: 14px;
  align-items: center;
}

.install-modal__icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--colors-brand-primary, #692530);
  color: var(--colors-text-inverse, #F4F3EF);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--typography-families-heading, Georgia, serif);
  font-weight: var(--typography-weights-bold, 700);
  font-size: 1.3rem;
  flex: 0 0 auto;
}

.install-modal__title {
  margin: 0;
  font-family: var(--typography-families-heading, Georgia, serif);
  font-size: 1.42rem;
  line-height: 1.15;
  color: var(--colors-brand-primary, #692530);
}

.install-modal__subtitle {
  margin: 4px 0 0;
  font-family: var(--typography-families-body, Arial, sans-serif);
  font-size: 0.92rem;
  color: var(--colors-text-secondary, #6F6260);
  line-height: 1.35;
}

.install-modal__body { padding: 20px 22px 8px; }

.install-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.install-step {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  align-items: start;
}

.install-step__number {
  width: 34px;
  height: 34px;
  border-radius: var(--layout-border-radius-pill, 999px);
  background: var(--colors-brand-primary, #692530);
  color: var(--colors-text-inverse, #F4F3EF);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--typography-families-ui, Arial, sans-serif);
  font-weight: var(--typography-weights-bold, 700);
  font-size: 0.9rem;
}

.install-step__text {
  margin: 4px 0 0;
  font-family: var(--typography-families-body, Arial, sans-serif);
  font-size: 0.98rem;
  line-height: 1.45;
  color: var(--colors-text-primary, #24191B);
}

.install-step__hint {
  display: block;
  margin-top: 3px;
  font-size: 0.86rem;
  color: var(--colors-text-secondary, #6F6260);
}

.install-modal__footer {
  padding: 16px 22px 22px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.install-modal__button {
  border: 0;
  border-radius: var(--layout-border-radius-pill, 999px);
  padding: 11px 18px;
  font-family: var(--typography-families-ui, Arial, sans-serif);
  font-weight: var(--typography-weights-bold, 700);
  background: var(--colors-brand-primary, #692530);
  color: var(--colors-text-inverse, #F4F3EF);
  cursor: pointer;
}

.install-modal__button--ghost {
  background: transparent;
  color: var(--colors-brand-primary, #692530);
  border: 1px solid var(--colors-brand-primary, #692530);
}

@media (max-width: 520px) {
  .install-cta {
    bottom: max(12px, env(safe-area-inset-bottom));
    padding: 13px;
    align-items: flex-start;
  }

  .install-cta__actions { flex-direction: column; gap: 4px; }
  .install-cta__button { padding: 10px 12px; font-size: 0.78rem; }
  .install-modal { border-radius: 22px; }
  .install-modal__title { font-size: 1.28rem; }
}