.install-app-button {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    max-width: 420px;
    padding: 0.8rem 1rem;
    border: 1px solid #0d6358;
    border-radius: 12px;
    background: linear-gradient(120deg, #165c42, #0b7167);
    box-shadow: 0 5px 16px rgba(13, 90, 76, 0.28);
    color: #fff;
    text-align: left;
}

.install-app-button[hidden] {
    display: none;
}

.install-app-button:hover,
.install-app-button:focus-visible {
    border-color: #0b5c53;
    background: linear-gradient(120deg, #104b36, #075e56);
    box-shadow: 0 8px 20px rgba(13, 90, 76, 0.34);
    color: #fff;
    transform: translateY(-2px);
}

.install-app-button:focus-visible {
    outline: 3px solid #ffc857;
    outline-offset: 2px;
}

.install-app-button__icon {
    display: grid;
    flex: 0 0 2.75rem;
    place-items: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.18);
    font-size: 1.4rem;
}

.install-app-button__copy {
    display: flex;
    flex-direction: column;
    min-width: 0;
    line-height: 1.25;
}

.install-app-button__copy strong {
    font-size: 1rem;
}

.install-app-button__copy small {
    margin-top: 0.2rem;
    font-size: 0.78rem;
    opacity: 0.9;
}

.install-app-button__arrow {
    margin-left: auto;
    font-size: 1.15rem;
}