:root {
    --pro-popup-bg: #ffffff;
    --pro-popup-text: #333333;
    --pro-popup-text-light: #666666;
    --pro-popup-primary: #ff4757;
    --pro-popup-primary-hover: #ff6b81;
    --pro-popup-radius: 16px;
    --pro-popup-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.pro-popup-overlay {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}
.pro-popup-overlay.pro-active {
    opacity: 1;
    visibility: visible;
}

.pro-popup-box {
    position: relative;
    width: 90%;
    max-width: 750px;
    background: var(--pro-popup-bg);
    border-radius: var(--pro-popup-radius);
    box-shadow: var(--pro-popup-shadow);
    display: flex;
    overflow: hidden;
    transform: translateY(50px) scale(0.95);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.pro-popup-overlay.pro-active .pro-popup-box {
    transform: translateY(0) scale(1);
}

/* Modern Close Button */
.pro-popup-close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(8px);
    border: none;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    color: var(--pro-popup-text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    outline: none;
}
.pro-popup-close-btn:hover {
    background: var(--pro-popup-primary);
    color: #fff;
    transform: rotate(90deg) scale(1.1);
}

.pro-popup-image {
    flex: 1;
    min-height: 250px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.pro-popup-content-area {
    flex: 1;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.pro-popup-content-inner h2 {
    margin: 0 0 15px 0;
    font-size: 28px;
    font-weight: 800;
    color: var(--pro-popup-text);
    line-height: 1.2;
}
.pro-popup-content-inner p {
    margin: 0 0 25px 0;
    font-size: 16px;
    color: var(--pro-popup-text-light);
    line-height: 1.6;
}
.pro-popup-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--pro-popup-primary);
    color: #fff;
    text-decoration: none;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 71, 87, 0.4);
}
.pro-popup-action-btn:hover {
    background: var(--pro-popup-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 71, 87, 0.6);
    color: #fff;
}

/* Layout Variations */
.pro-popup-box.layout-split-left { flex-direction: row; }
.pro-popup-box.layout-split-right { flex-direction: row-reverse; }
.pro-popup-box.layout-top-image { flex-direction: column; }
.pro-popup-box.layout-full-bg {
    flex-direction: column;
}
.pro-popup-box.layout-full-bg .pro-popup-image {
    position: absolute;
    top:0; left:0; width:100%; height:100%;
    z-index: 0;
}
.pro-popup-box.layout-full-bg .pro-popup-content-area {
    position: relative;
    z-index: 1;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(10px);
    margin: 40px;
    border-radius: var(--pro-popup-radius);
}
.pro-popup-box.layout-minimal .pro-popup-image {
    display: none;
}

/* Responsive */
@media (max-width: 768px) {
    .pro-popup-box { flex-direction: column !important; }
    .pro-popup-image { min-height: 200px; }
    .pro-popup-content-area { padding: 30px 20px; }
    .pro-popup-content-inner h2 { font-size: 22px; }
    .pro-popup-content-inner p { font-size: 14px; }
}