.image-modal,
.certificate-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-speed) var(--transition-easing);
}

    .image-modal.active,
    .certificate-modal.active {
        opacity: 1;
        pointer-events: auto;
    }

.modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    animation: modalZoom 0.3s var(--transition-easing);
}

@keyframes modalZoom {
    from {
        transform: scale(0.8);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.modal-content img {
    max-width: 100%;
    max-height: 85vh;
    border-radius: 8px;
}

.modal-close-btn {
    position: absolute;
    top: -50px;
    right: 0;
    width: 40px;
    height: 40px;
    background-color: var(--color-accent-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-easing);
}

    .modal-close-btn:hover {
        background-color: var(--color-accent-red-light);
        transform: rotate(90deg);
    }

    .modal-close-btn svg {
        width: 24px;
        height: 24px;
        stroke: #ffffff;
        stroke-width: 2;
        stroke-linecap: round;
    }

.certificate-modal-info {
    margin-top: 1rem;
    text-align: center;
}

    .certificate-modal-info h3 {
        color: var(--color-text-primary);
        font-size: 1.25rem;
        margin-bottom: 0.5rem;
    }

    .certificate-modal-info p {
        color: var(--color-text-secondary);
        font-size: 1rem;
    }

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.certificate-card {
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-easing);
}

    .certificate-card:hover {
        border-color: var(--color-border-hover);
        transform: translateY(-5px);
    }

.certificate-image-container {
    width: 100%;
    height: 180px;
    overflow: hidden;
    background-color: var(--color-bg-secondary);
}

    .certificate-image-container img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-speed) var(--transition-easing);
    }

    .certificate-image-container:hover img {
        transform: scale(1.04);
    }

.certificate-info {
    padding: 1rem;
}

    .certificate-info p {
        color: var(--color-text-primary);
        font-weight: 600;
        font-size: 0.95rem;
        margin-bottom: 0.25rem;
    }

    .certificate-info span {
        display: block;
        color: var(--color-text-tertiary);
        font-size: 0.85rem;
        margin-top: 0.5rem;
    }