.navtool-promo-modal {
    --navtool-promo-theme: var(--navtool-theme);
    --navtool-promo-theme-hover: var(--navtool-theme-hover);
    --navtool-promo-card: var(--navtool-bg);
    --navtool-promo-ink: var(--navtool-text);
    --navtool-promo-muted: var(--navtool-text-muted);
    --navtool-promo-shadow: 0 18px 48px var(--navtool-shadow);

    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    overflow: auto;
    background: color-mix(in srgb, var(--navtool-promo-ink) 36%, transparent);
    opacity: 0;
    pointer-events: none;
    backdrop-filter: blur(10px) saturate(1.2);
    -webkit-backdrop-filter: blur(10px) saturate(1.2);
    transition: opacity .18s ease;
}

.navtool-promo-modal.is-active,
.navtool-promo-modal.is-open {
    opacity: 1;
    pointer-events: auto;
}

.navtool-promo-card {
    position: relative;
    overflow: visible;
    border: 1px solid color-mix(in srgb, var(--navtool-promo-card) 66%, transparent);
    border-radius: 28px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--navtool-promo-theme) 10%, var(--navtool-promo-card)) 0%, var(--navtool-promo-card) 42%, var(--navtool-promo-card) 100%);
    color: var(--navtool-promo-ink);
    box-shadow: var(--navtool-promo-shadow);
    text-align: center;
    animation: navtool-promo-in .22s ease-out;
}

@keyframes navtool-promo-in {
    from {
        opacity: 0;
        transform: translateY(16px) scale(.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.navtool-promo-close {
    position: absolute;
    top: -12px;
    right: -12px;
    z-index: 10;
    width: 34px;
    height: 34px;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: var(--navtool-promo-card);
    box-shadow: 0 10px 26px var(--navtool-shadow);
    cursor: pointer;
    transition: transform .18s ease, box-shadow .18s ease;
}

.navtool-promo-close::before,
.navtool-promo-close::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 15px;
    height: 2px;
    border-radius: 2px;
    background: var(--navtool-promo-ink);
    transform: translate(-50%, -50%) rotate(45deg);
}

.navtool-promo-close::after {
    transform: translate(-50%, -50%) rotate(-45deg);
}

.navtool-promo-close:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 30px var(--navtool-shadow);
}

.navtool-promo-cover {
    position: relative;
    overflow: hidden;
    padding: 30px 32px 16px;
    border-radius: 28px 28px 0 0;
    background: linear-gradient(180deg, color-mix(in srgb, var(--navtool-promo-theme) 18%, var(--navtool-promo-card)) 0%, transparent 100%);
}

.navtool-promo-cover::before {
    content: "";
    position: absolute;
    top: 12px;
    left: 50%;
    width: 260px;
    height: 92px;
    background: radial-gradient(circle, color-mix(in srgb, var(--navtool-promo-card) 82%, transparent) 0%, transparent 64%);
    transform: translateX(-50%);
}

.navtool-promo-title,
.navtool-promo-subtitle {
    position: relative;
    z-index: 1;
}

.navtool-promo-title {
    display: block;
    margin: 0;
    color: var(--navtool-promo-theme);
    font-size: 26px;
    font-weight: 900;
    line-height: 1.15;
}

.navtool-promo-subtitle {
    max-width: 440px;
    margin: 12px auto 0;
    color: var(--navtool-promo-ink);
    font-size: 14px;
    font-weight: 600;
    line-height: 1.6;
}

.navtool-promo-content {
    padding: 4px 28px 26px;
}

.navtool-promo-qr {
    padding: 10px;
    border: 3px solid transparent;
    border-radius: 22px;
    background: linear-gradient(var(--navtool-promo-card), var(--navtool-promo-card)) padding-box,
        linear-gradient(135deg, var(--navtool-promo-theme), var(--navtool-promo-theme-hover)) border-box;
    box-shadow: 0 16px 34px color-mix(in srgb, var(--navtool-promo-theme) 14%, transparent);
}

.navtool-promo-qr img {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 10px;
    object-fit: contain;
}

@media (max-width: 520px) {
    .navtool-promo-modal {
        padding: 16px;
    }

    .navtool-promo-card {
        border-radius: 26px;
    }

    .navtool-promo-cover {
        padding: 28px 24px 14px;
    }

    .navtool-promo-title {
        font-size: 24px;
    }

    .navtool-promo-content {
        padding: 4px 20px 22px;
    }
}