:root {
        --bg-light: #f2f6fc;
        --bg-card: #ffffff;
        --primary-dark: #1F1A6B;
        --primary-medium: #9999cd;
        --text-primary: #363d47;
        --text-secondary: #6c757d;
        --accent-green: #7ED6A5;
        --border: rgba(0,0,0,0.08);
    }

    /* Page Wrapper */
    .project-detail-page {
        background: var(--bg-light);
        min-height: 100vh;
        padding: 40px 20px 80px;
        font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    }

    .project-detail-inner {
        max-width: 1200px;
        margin: 0 auto;
    }

    /* Back Button */
    .back-button {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 10px 20px;
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: 999px;
        color: var(--text-primary);
        text-decoration: none;
        font-size: 0.875rem;
        font-weight: 500;
        margin-bottom: 32px;
        transition: all 0.2s ease;
    }

    .back-button:hover {
        background: var(--primary-dark);
        color: white;
        border-color: var(--primary-dark);
        transform: translateX(-4px);
    }

    /* Main Content */
    .project-content {
        background: var(--bg-card);
        border-radius: 24px;
        overflow: hidden;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    }

    /* Hero Media Section */
    .hero-media {
        position: relative;
        background: #000;
        min-height: 500px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .hero-media img,
    .hero-media video {
        width: 100%;
        max-height: 70vh;
        object-fit: contain;
        background: #f8f9fa;
    }

    .hero-media video {
        background: #000;
    }

    /* Project Info */
    .project-info {
        padding: 48px;
    }

    /* Category Badge */
    .category-badge {
        display: inline-block;
        padding: 6px 16px;
        background: var(--primary-dark);
        color: white;
        border-radius: 20px;
        font-size: 0.75rem;
        font-weight: 700;
        letter-spacing: 0.05em;
        text-transform: uppercase;
        margin-bottom: 24px;
    }

    /* Title */
    .project-title {
        font-size: 2.5rem;
        font-weight: 700;
        color: var(--primary-dark);
        margin: 0 0 16px;
        line-height: 1.2;
    }

    /* Meta Info */
    .project-meta {
        display: flex;
        gap: 24px;
        flex-wrap: wrap;
        padding-bottom: 24px;
        margin-bottom: 24px;
        border-bottom: 1px solid var(--border);
    }

    .meta-item {
        display: flex;
        align-items: center;
        gap: 8px;
        color: var(--text-secondary);
        font-size: 0.875rem;
    }

    .meta-item svg {
        width: 18px;
        height: 18px;
        stroke: var(--primary-medium);
    }

    /* Description */
    .project-description {
        margin-bottom: 32px;
    }

    .project-description h3 {
        font-size: 1.25rem;
        font-weight: 600;
        color: var(--text-primary);
        margin: 0 0 16px;
    }

    .project-description p {
        font-size: 1rem;
        line-height: 1.7;
        color: var(--text-secondary);
        margin: 0;
    }

    /* Project Details Grid */
    .details-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 24px;
        margin-bottom: 32px;
        padding: 24px;
        background: var(--bg-light);
        border-radius: 16px;
    }

    .detail-item {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .detail-label {
        font-size: 0.75rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: var(--text-secondary);
    }

    .detail-value {
        font-size: 1rem;
        font-weight: 500;
        color: var(--text-primary);
    }

    /* Action Buttons */
    .action-buttons {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
        margin-top: 32px;
        padding-top: 24px;
        border-top: 1px solid var(--border);
    }

    .btn {
        padding: 12px 28px;
        border-radius: 999px;
        font-size: 0.875rem;
        font-weight: 600;
        text-decoration: none;
        transition: all 0.2s ease;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .btn-primary {
        background: var(--primary-dark);
        color: white;
        border: 2px solid var(--primary-dark);
    }

    .btn-primary:hover {
        background: transparent;
        color: var(--primary-dark);
        transform: translateY(-2px);
    }

    .btn-secondary {
        background: transparent;
        color: var(--primary-dark);
        border: 2px solid var(--border);
    }

    .btn-secondary:hover {
        border-color: var(--primary-dark);
        color:  white;
        transform: translateY(-2px);
        background:var(--primary-medium);
    }

    /* Share Section */
    .share-section {
        margin-top: 48px;
        padding-top: 32px;
        text-align: center;
        border-top: 1px solid var(--border);
    }

    .share-section h4 {
        font-size: 0.875rem;
        font-weight: 600;
        color: var(--text-secondary);
        margin-bottom: 16px;
    }

    .share-buttons {
        display: flex;
        gap: 12px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .share-btn {
        padding: 8px 16px;
        background: var(--bg-light);
        border-radius: 20px;
        color: var(--text-primary);
        text-decoration: none;
        font-size: 0.875rem;
        font-weight: 500;
        transition: all 0.2s ease;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .share-btn:hover {
        background: var(--primary-dark);
        color: white;
        transform: translateY(-2px);
    }

    /* Related Projects */
    .related-projects {
        margin-top: 60px;
    }

    .related-projects h3 {
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--primary-dark);
        margin-bottom: 32px;
        text-align: center;
    }

    .related-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 24px;
    }

    .related-card {
        background: var(--bg-card);
        border-radius: 16px;
        overflow: hidden;
        text-decoration: none;
        transition: all 0.3s ease;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    }

    .related-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 30px rgba(31, 26, 107, 0.15);
    }

    .related-img {
        width: 100%;
        height: 200px;
        object-fit: cover;
    }

    .related-info {
        padding: 20px;
    }

    .related-title {
        font-size: 1.1rem;
        font-weight: 600;
        color: var(--primary-dark);
        margin: 0 0 8px;
    }

    .related-category {
        font-size: 0.75rem;
        color: var(--text-secondary);
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }

    /* Responsive */
    @media (max-width: 768px) {
        .project-info {
            padding: 24px;
        }

        .project-title {
            font-size: 1.8rem;
        }

        .hero-media {
            min-height: 300px;
        }

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

        .action-buttons {
            flex-direction: column;
        }

        .btn {
            justify-content: center;
        }
    }