.announcement {
    width: min(640px, calc(100% - 32px));
    max-width: none;
    max-height: calc(100vh - 32px);
    max-height: calc(100dvh - 32px);
    margin: auto;
    padding: 0;
    overflow: auto;
    border: 0;
    border-top: 6px solid var(--ies-green);
    border-radius: 20px;
    background: var(--ies-surface);
    color: var(--ies-ink);
    box-shadow: 0 24px 80px rgba(20, 33, 61, 0.3);
    text-align: center;
}

.announcement::backdrop {
    background: rgba(20, 33, 61, 0.72);
}

.announcement-content {
    padding: 64px clamp(24px, 6vw, 56px) 48px;
    background: linear-gradient(145deg, #ffffff, #edf7f3);
}

.announcement h2 {
    margin: 0;
    font-size: clamp(26px, 4.5vw, 38px);
    font-weight: 700;
    line-height: 1.25;
}

.announcement h2 span {
    display: block;
    margin-top: 12px;
    color: var(--ies-green);
}

.announcement-label {
    margin: 32px 0 8px;
    color: var(--ies-muted);
    font-size: 20px;
}

.announcement-dates {
    margin: 0;
    color: var(--ies-teal);
    font-size: clamp(24px, 4.5vw, 34px);
    line-height: 1.3;
}

.announcement-close {
    position: absolute;
    top: 12px;
    right: 12px;
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--ies-border);
    border-radius: 50%;
    background: var(--ies-surface);
    color: var(--ies-ink);
    font: 32px/1 Arial, sans-serif;
    cursor: pointer;
}

.announcement-close:hover {
    background: var(--ies-soft);
}

.announcement-close:focus-visible {
    outline: 3px solid var(--ies-teal);
    outline-offset: 3px;
}

html.announcement-open,
html.announcement-open body {
    overflow: hidden;
}