.wvh-nl-overlay {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: rgba(0, 0, 0, .55);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity .3s ease;
}

.wvh-nl-overlay.wvh-nl-visible {
    opacity: 1;
}

.wvh-nl-popup {
    position: relative;
    width: 100%;
    max-width: 440px;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(0, 0, 0, .2);
    transform: translateY(24px) scale(.96);
    transition: transform .35s cubic-bezier(.4, 0, .2, 1);
}

.wvh-nl-overlay.wvh-nl-visible .wvh-nl-popup {
    transform: translateY(0) scale(1);
}

.wvh-nl-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(0, 0, 0, .06);
    color: #555;
    font-size: 22px;
    line-height: 36px;
    text-align: center;
    border-radius: 50%;
    cursor: pointer;
    z-index: 2;
    transition: background .2s, color .2s;
}

.wvh-nl-close:hover {
    background: rgba(0, 0, 0, .12);
    color: #111;
}

.wvh-nl-content {
    padding: 40px 32px 32px;
    text-align: center;
}

.wvh-nl-badge {
    display: inline-block;
    background: #FF7900;
    color: #fff;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.5px;
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.wvh-nl-title {
    margin: 0 0 12px;
    font-size: 24px;
    font-weight: 400;
    color: #111;
    line-height: 1.3;
}

.wvh-nl-title strong {
    color: #FF7900;
    font-weight: 700;
}

.wvh-nl-desc {
    margin: 0 0 24px;
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.wvh-nl-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.wvh-nl-input {
    width: 100%;
    padding: 14px 16px;
    font-size: 15px;
    border: 2px solid #e5e5e5;
    border-radius: 10px;
    outline: none;
    transition: border-color .2s;
    box-sizing: border-box;
    font-family: inherit;
}

.wvh-nl-input:focus {
    border-color: #FF7900;
}

.wvh-nl-btn {
    display: inline-block;
    width: 100%;
    padding: 14px 24px;
    background: #FF7900;
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background .2s, transform .1s;
    text-align: center;
    text-decoration: none;
    font-family: inherit;
    box-sizing: border-box;
}

.wvh-nl-btn:hover {
    background: #E56D00;
}

.wvh-nl-btn:active {
    transform: scale(.98);
}

.wvh-nl-privacy {
    margin: 16px 0 0;
    font-size: 12px;
    color: #999;
}

.wvh-nl-coupon {
    display: inline-block;
    padding: 16px 32px;
    margin: 8px 0 20px;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: 2px;
    color: #FF7900;
    background: #FFF4EB;
    border: 2px dashed #FF7900;
    border-radius: 12px;
    user-select: all;
    -webkit-user-select: all;
}

.wvh-nl-error {
    margin: 8px 0 0;
    font-size: 13px;
    color: #EF4444;
}

@media (max-width: 480px) {
    .wvh-nl-popup {
        max-width: 100%;
        border-radius: 16px 16px 0 0;
    }
    .wvh-nl-overlay {
        align-items: flex-end;
    }
    .wvh-nl-content {
        padding: 36px 24px 28px;
    }
    .wvh-nl-title {
        font-size: 22px;
    }
}