.sitePromo {
    position: fixed;
    right: clamp(1rem, 3vw, 2rem);
    bottom: clamp(1rem, 3vw, 2rem);
    z-index: 60;
    width: min(24rem, calc(100vw - 2rem));
    pointer-events: none;
}

.sitePromo[hidden] {
    display: block;
    visibility: hidden;
}

.sitePromo__inner {
    position: relative;
    overflow: hidden;
    padding: 1.35rem;
    border: 1px solid rgba(46, 63, 177, 0.14);
    border-radius: 1.35rem;
    background:
        radial-gradient(circle at 12% 0%, rgba(0, 189, 230, 0.16), transparent 30%),
        linear-gradient(145deg, #ffffff 0%, #f7fbff 100%);
    box-shadow: 0 24px 70px rgba(23, 30, 108, 0.18), 0 8px 22px rgba(15, 23, 42, 0.12);
    color: #0f172a;
    pointer-events: auto;
    transform: translate3d(0, 1rem, 0) scale(0.98);
    opacity: 0;
    transition: opacity 220ms ease, transform 220ms ease, visibility 220ms ease;
}

.sitePromo.is-visible .sitePromo__inner {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 1;
}

.sitePromo__close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    display: inline-flex;
    width: 2rem;
    height: 2rem;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 9999px;
    background: rgba(15, 23, 42, 0.06);
    color: #334155;
    font-size: 1.45rem;
    line-height: 1;
    cursor: pointer;
}

.sitePromo__close:hover,
.sitePromo__close:focus-visible {
    background: rgba(46, 63, 177, 0.12);
    color: #171e6c;
}

.sitePromo__badge {
    display: inline-flex;
    margin-bottom: 0.75rem;
    padding: 0.35rem 0.7rem;
    border-radius: 9999px;
    background: #e4eefa;
    color: #25329a;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.sitePromo__title {
    max-width: 18rem;
    margin: 0 2rem 0.55rem 0;
    color: #0f172a;
    font-family: "PolySans", system-ui, sans-serif;
    font-size: clamp(1.35rem, 4vw, 1.75rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.sitePromo__text {
    margin: 0;
    color: #475569;
    font-size: 0.95rem;
    line-height: 1.55;
}

.sitePromo__actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.65rem;
    margin-top: 1rem;
}

.sitePromo__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.85rem;
    padding: 0.75rem 1rem;
    border-radius: 0.85rem;
    font-weight: 800;
    line-height: 1.2;
    text-align: center;
    text-decoration: none !important;
    transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.sitePromo__button:hover,
.sitePromo__button:focus-visible {
    transform: translateY(-1px);
}

.sitePromo__button--primary {
    background: #2e3fb1;
    color: #fff;
    box-shadow: 0 12px 26px rgba(46, 63, 177, 0.24);
}

.sitePromo__button--primary:hover,
.sitePromo__button--primary:focus-visible {
    background: #25329a;
    color: #fff;
}

.sitePromo__button--secondary {
    border: 1px solid rgba(46, 63, 177, 0.18);
    background: #fff;
    color: #25329a;
}

.sitePromo__button--secondary:hover,
.sitePromo__button--secondary:focus-visible {
    background: #e4eefa;
    color: #171e6c;
}

.sitePromo__dismiss {
    display: inline-flex;
    margin: 0.85rem auto 0;
    padding: 0.2rem;
    border: 0;
    background: transparent;
    color: #64748b;
    font-size: 0.86rem;
    font-weight: 700;
    cursor: pointer;
}

.sitePromo__dismiss:hover,
.sitePromo__dismiss:focus-visible {
    color: #25329a;
}

@media (min-width: 480px) {
    .sitePromo__actions {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .sitePromo {
        right: 0.75rem;
        bottom: 0.75rem;
        width: calc(100vw - 1.5rem);
    }

    .sitePromo__inner {
        padding: 1.15rem;
        border-radius: 1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sitePromo__inner,
    .sitePromo__button {
        transition: none;
    }
}