.reference-detail {
    padding-top: 0;
}

.reference-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 40px 0 60px;
}

[data-theme="dark"] .reference-header {
    background: linear-gradient(135deg, #1e3a8a 0%, #0f172a 100%);
}

.breadcrumb-nav {
    margin-bottom: 30px;
}

.breadcrumb {
    background: transparent;
    padding: 0;
    margin: 0;
}

.breadcrumb-item {
    color: rgba(255, 255, 255, 0.8);
}

    .breadcrumb-item a {
        color: white;
        text-decoration: none;
        transition: opacity 0.3s;
    }

        .breadcrumb-item a:hover {
            opacity: 0.7;
        }

    .breadcrumb-item.active {
        color: rgba(255, 255, 255, 0.6);
    }

    .breadcrumb-item + .breadcrumb-item::before {
        color: rgba(255, 255, 255, 0.5);
    }

.reference-company-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 16px;
    backdrop-filter: blur(10px);
}

.reference-detail-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.reference-meta {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    align-items: center;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

.meta-link {
    color: white;
    text-decoration: none;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    transition: all 0.3s;
}

    .meta-link:hover {
        background: rgba(255, 255, 255, 0.3);
        transform: translateY(-2px);
    }

.reference-content-section {
    padding: 60px 0;
    background: var(--bg-color);
}

.reference-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 40px;
}

.reference-main {
    min-width: 0;
}

.section-title-small {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-color);
}

.reference-gallery {
    margin-bottom: 48px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.gallery-item {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

    .gallery-item:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
    }

.gallery-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.gallery-caption {
    padding: 16px;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.reference-description {
    background: var(--card-bg);
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.description-content {
    color: var(--text-color);
    font-size: 1.05rem;
    line-height: 1.8;
    white-space: pre-line;
}

.reference-sidebar {
    position: sticky;
    top: 20px;
    height: fit-content;
}

.sidebar-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.sidebar-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-color);
}

.sidebar-item {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

    .sidebar-item:last-child {
        margin-bottom: 0;
        padding-bottom: 0;
        border-bottom: none;
    }

.sidebar-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
    font-weight: 600;
}

.sidebar-value {
    display: block;
    font-size: 1rem;
    color: var(--text-color);
    font-weight: 500;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.tech-tag {
    padding: 6px 14px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 500;
}

.related-project-card:hover {
    border-color: var(--primary-color) !important;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.15);
    transform: translateX(4px);
}

.related-project-card img {
    transition: transform 0.3s;
}

.related-project-card:hover img {
    transform: scale(1.05);
}

@media (max-width: 1024px) {
    .reference-layout {
        grid-template-columns: 1fr;
    }

    .reference-sidebar {
        position: static;
    }

    .reference-detail-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .reference-detail-title {
        font-size: 1.8rem;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .reference-meta {
        gap: 12px;
    }
}