/* References Section */
.references-section {
    min-height: calc(100vh - 150px - 200px);
    padding: 60px 15%;
    background-color: #ffffff;
}

.references-container {
    max-width: 1200px;
    margin: 0 auto;
}

.references-title {
    font-size: 36px;
    font-weight: 600;
    color: #3f434b;
    margin-bottom: 20px;
    text-align: center;
    line-height: 1.2;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 40px;
    font-size: 14px;
}

.breadcrumb-link {
    color: #666;
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb-link:hover {
    color: #4d292b;
}

.breadcrumb-separator {
    color: #999;
}

.breadcrumb-current {
    color: #1a1c1f;
    font-weight: 500;
}

/* References Grid */
.references-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.reference-item {
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 150px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.reference-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
    border-color: #4d292b;
}

.reference-logo {
    max-width: 100%;
    max-height: 120px;
    object-fit: contain;
    filter: grayscale(0%);
    transition: filter 0.3s ease;
}

.reference-item:hover .reference-logo {
    filter: grayscale(0%);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .references-section {
        padding: 50px 10%;
    }

    .references-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .references-section {
        padding: 40px 5%;
    }

    .references-title {
        font-size: 28px;
    }

    .references-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .reference-item {
        min-height: 120px;
        padding: 15px;
    }

    .reference-logo {
        max-height: 100px;
    }
}

@media (max-width: 480px) {
    .references-grid {
        grid-template-columns: 1fr;
    }

    .reference-item {
        min-height: 100px;
    }
}