.newsletter-popup {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    visibility: hidden;
}

.newsletter-popup[hidden] {
    display: none;
}

.newsletter-popup.is-visible {
    visibility: visible;
}

.newsletter-popup__overlay {
    position: absolute;
    inset: 0;
    background: rgba(2, 18, 74, 0.38);
    backdrop-filter: blur(3px);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.newsletter-popup.is-visible .newsletter-popup__overlay {
    opacity: 1;
}

.newsletter-popup__content {
    position: relative;
    z-index: 1;
    width: min(100%, 560px);
    max-height: 90vh;
    overflow-y: auto;
    background: var(--color-light-purple);
    border-radius: 8px;
    padding: 2rem 1.5rem 1.5rem;
    text-align: center;
    box-shadow: 0 18px 48px rgba(2, 18, 74, 0.16);
    opacity: 0;
    transform: translateY(18px) scale(0.98);
    transition:
        opacity 0.4s ease,
        transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.newsletter-popup.is-visible .newsletter-popup__content {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.newsletter-popup__close {
    position: absolute;
    top: 4px;
    right: 8px;
    background: none;
    border: none;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    color: var(--color-blue);
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.newsletter-popup__close:hover,
.newsletter-popup__close:focus-visible {
    opacity: 1;
}

.newsletter-popup__note {
    font-size: clamp(2rem, 8vw, 3.5rem);
    color: var(--color-dark-purple);
    margin-bottom: 0.5rem;
}

.newsletter-popup__title {
    font-size: var(--h2);
    color: var(--color-blue);
    margin-bottom: 0.5rem;
}

.newsletter-popup__text {
    color: var(--color-grey);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.newsletter-popup .newsletter__form {
    grid-template-columns: 1fr;
}

.newsletter-popup .newsletter__form .button {
    width: 100%;
}

.newsletter-popup .success,
.newsletter-popup .error {
    margin-top: 1rem;
}

.newsletter-popup__article-sentinel {
    height: 1px;
    width: 100%;
    pointer-events: none;
}

body.newsletter-popup-open {
    overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
    .newsletter-popup__overlay,
    .newsletter-popup__content,
    .newsletter-popup__close {
        transition: none;
    }

    .newsletter-popup__content {
        transform: none;
    }

    .newsletter-popup.is-visible .newsletter-popup__content {
        transform: none;
    }
}