.popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease-out;
}

.popup-content {
    background-color: var(--white);
    border-radius: 20px;
    width: 100%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    padding: 30px;
    position: relative;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    animation: popupSlideIn 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

@keyframes popupSlideIn {
    from { 
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to { 
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.popup h2 {
    color: var(--primary-blue);
    margin-bottom: 15px;
    text-align: center;
    font-size: 1.8rem;
    position: relative;
    padding-bottom: 10px;
}

.popup h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-blue), var(--accent-blue));
    border-radius: 3px;
}

.popup-body {
    color: var(--black);
    font-size: 1.1rem;
    line-height: 1.7;
}

.close-popup {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    color: var(--gray);
    cursor: pointer;
    transition: all 0.3s;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
}

.close-popup:hover {
    color: var(--dark-blue);
    background-color: rgba(0, 0, 0, 0.1);
    transform: rotate(90deg);
}

.example-box {
    background-color: var(--light-blue);
    padding: 20px;
    border-radius: 12px;
    margin: 20px 0;
    text-align: center;
    font-weight: 600;
    font-size: 1.3rem;
    border-left: 4px solid var(--primary-blue);
    animation: pulse 2s infinite;
    color: var(--black);
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(66, 133, 244, 0.2); }
    70% { box-shadow: 0 0 0 10px rgba(66, 133, 244, 0); }
    100% { box-shadow: 0 0 0 0 rgba(66, 133, 244, 0); }
}

.popup-icon {
    font-size: 3rem;
    color: var(--primary-blue);
    margin: 15px auto;
    text-align: center;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}