/* Header */
        .navbar {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(10, 10, 10, 0.95);
            backdrop-filter: blur(10px);
            padding: 1rem 5%;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
        }

        .nav-content {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--primary-color);
            text-decoration: none;
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-primary);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }

        .nav-links a:hover {
            color: var(--primary-color);
        }

        /* Hero Section */
        .hero {
            height: 60vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin-top: 80px;
            background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 20% 50%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(247, 147, 30, 0.1) 0%, transparent 50%);
            animation: pulseGlow 6s ease-in-out infinite;
        }

        @keyframes pulseGlow {
            0%, 100% { opacity: 0.5; }
            50% { opacity: 1; }
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            padding: 2rem;
        }

        .hero-subtitle {
            color: var(--primary-color);
            font-size: 1rem;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 1rem;
            animation: fadeInDown 0.8s ease-out;
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, #ffffff 0%, #b0b0b0 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: fadeInUp 0.8s ease-out 0.2s both;
        }

        .hero-description {
            font-size: 1.2rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            animation: fadeInUp 0.8s ease-out 0.4s both;
        }

        .stats-container {
            display: flex;
            justify-content: center;
            gap: 4rem;
            margin-top: 3rem;
            animation: fadeInUp 0.8s ease-out 0.6s both;
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: bold;
            color: var(--primary-color);
            display: block;
        }

        .stat-label {
            color: var(--text-secondary);
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* Filter Section */
        .filter-section {
            max-width: 1400px;
            margin: 4rem auto 3rem;
            padding: 0 5%;
            animation: fadeIn 1s ease-out 0.8s both;
        }

        .filter-buttons {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .filter-btn {
            padding: 0.8rem 2rem;
            background: var(--card-bg);
            border: 2px solid var(--border-color);
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            border-radius: 50px;
            transition: all 0.3s ease;
        }

        .filter-btn:hover,
        .filter-btn.active {
            background: var(--primary-color);
            border-color: var(--primary-color);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
        }

        /* Projects Grid */
        .projects-section {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 5% 5rem;
        }

        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
            gap: 2rem;
        }

        .project-card {
            background: var(--card-bg);
            border-radius: 15px;
            overflow: hidden;
            position: relative;
            cursor: pointer;
            transition: all 0.4s ease;
            border: 1px solid var(--border-color);
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 0.6s ease-out forwards;
        }

        .project-card:nth-child(1) { animation-delay: 0.1s; }
        .project-card:nth-child(2) { animation-delay: 0.2s; }
        .project-card:nth-child(3) { animation-delay: 0.3s; }
        .project-card:nth-child(4) { animation-delay: 0.4s; }
        .project-card:nth-child(5) { animation-delay: 0.5s; }
        .project-card:nth-child(6) { animation-delay: 0.6s; }
        .project-card:nth-child(7) { animation-delay: 0.7s; }
        .project-card:nth-child(8) { animation-delay: 0.8s; }
        .project-card:nth-child(9) { animation-delay: 0.9s; }

        .project-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            border-color: var(--primary-color);
        }

        .project-image {
            width: 100%;
            height: 280px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .project-card:hover .project-image {
            transform: scale(1.1);
        }

        .project-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to top, rgba(10, 10, 10, 0.95) 0%, transparent 60%);
            opacity: 0;
            transition: opacity 0.4s ease;
        }

        .project-card:hover .project-overlay {
            opacity: 1;
        }

        .project-info {
            padding: 2rem;
            position: relative;
        }

        .project-category {
            display: inline-block;
            padding: 0.4rem 1rem;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 20px;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 1rem;
        }

        .project-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .project-location {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 1rem;
        }

        .project-description {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .project-features {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-top: 1rem;
        }

        .feature-tag {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.4rem 0.8rem;
            background: rgba(255, 107, 53, 0.1);
            border: 1px solid rgba(255, 107, 53, 0.3);
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--primary-color);
        }

        /* Modal */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.9);
            z-index: 2000;
            overflow-y: auto;
            animation: fadeIn 0.3s ease-out;
        }

        .modal.active {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 2rem;
        }

        .modal-content {
            background: var(--card-bg);
            border-radius: 20px;
            max-width: 900px;
            width: 100%;
            position: relative;
            animation: slideInUp 0.4s ease-out;
            border: 1px solid var(--border-color);
        }

        .modal-close {
            position: absolute;
            top: 1.5rem;
            right: 1.5rem;
            width: 40px;
            height: 40px;
            background: var(--primary-color);
            border: none;
            border-radius: 50%;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            z-index: 10;
            transition: all 0.3s ease;
        }

        .modal-close:hover {
            transform: rotate(90deg);
            background: var(--secondary-color);
        }

        .modal-image {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: 20px 20px 0 0;
        }

        .modal-info {
            padding: 2.5rem;
        }

        .modal-title {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }

        .modal-meta {
            display: flex;
            gap: 2rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }

        .meta-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--text-secondary);
        }

        .meta-item i {
            color: var(--primary-color);
        }

        .modal-description {
            font-size: 1.1rem;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 2rem;
        }

        .modal-features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .modal-feature {
            padding: 1.5rem;
            background: rgba(255, 107, 53, 0.05);
            border: 1px solid rgba(255, 107, 53, 0.2);
            border-radius: 10px;
            text-align: center;
        }

        .modal-feature i {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }

        .modal-feature-title {
            font-weight: 600;
            margin-bottom: 0.3rem;
        }

        .modal-feature-value {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

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

        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

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

        @keyframes slideInUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }

            .stats-container {
                gap: 2rem;
            }

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

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

            .nav-links {
                display: none;
            }

            .modal-info {
                padding: 1.5rem;
            }

            .modal-title {
                font-size: 2rem;
            }
        }