:root {
            --bg-primary: #1a1a1a;
            --bg-secondary: #2a2a2a;
            --text-primary: #ffffff;
            --text-secondary: #b0b0b0;
            --accent: #4a7c59;
            --accent-hover: #5a8c69;
            --border: #3a3a3a;
            --shadow: rgba(0, 0, 0, 0.3);
        }

        [data-theme="light"] {
            --bg-primary: #ffffff;
            --bg-secondary: #f8f9fa;
            --text-primary: #2c3e50;
            --text-secondary: #6c757d;
            --accent: #4a7c59;
            --accent-hover: #5a8c69;
            --border: #e9ecef;
            --shadow: rgba(0, 0, 0, 0.1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            transition: all 0.3s ease;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header */
        .header {
            background: var(--bg-secondary);
            padding: 20px 0;
            box-shadow: 0 2px 10px var(--shadow);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 24px;
            font-weight: bold;
            color: var(--accent);
        }

        .theme-toggle {
            background: var(--accent);
            color: white;
            border: none;
            padding: 10px 15px;
            border-radius: 25px;
            cursor: pointer;
            font-size: 14px;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .theme-toggle:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
        }

        /* Hero Section */
        .hero {
            padding: 80px 0;
            text-align: center;
            background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
        }

        .profile-photo {
            width: 200px;
            height: 200px;
            border-radius: 15px;
            margin: 0 auto 30px;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 48px;
            color: white;
            font-weight: bold;
            box-shadow: 0 10px 30px var(--shadow);
            transition: transform 0.3s ease;
        }

        .profile-photo:hover {
            transform: translateY(-5px);
        }

        .hero h1 {
            font-size: 48px;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .hero-subtitle {
            font-size: 24px;
            color: var(--accent);
            margin-bottom: 30px;
            font-weight: 300;
        }

        .hero-summary {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 800px;
            margin: 0 auto 40px;
            line-height: 1.7;
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 20px;
        }

        .social-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            background: var(--accent);
            color: white;
            text-decoration: none;
            border-radius: 25px;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .social-link:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px var(--shadow);
        }

        /* Projects Section */
        .projects {
            padding: 80px 0;
            background: var(--bg-secondary);
        }

        .section-title {
            text-align: center;
            font-size: 42px;
            margin-bottom: 60px;
            color: var(--text-primary);
            position: relative;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 100px;
            height: 4px;
            background: var(--accent);
            margin: 20px auto;
            border-radius: 2px;
        }

        .project-grid {
            display: grid;
            gap: 40px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .project-card {
            background: var(--bg-primary);
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px var(--shadow);
            transition: all 0.3s ease;
            border: 1px solid var(--border);
        }

        .project-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px var(--shadow);
        }

        .project-content {
            display: grid;
            grid-template-columns: 300px 1fr;
            gap: 30px;
            align-items: center;
            padding: 30px;
        }

        .project-image {
            width: 100%;
            height: 200px;
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px;
            font-weight: bold;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .project-image::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.1);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .project-card:hover .project-image::before {
            opacity: 1;
        }

        .project-details h3 {
            font-size: 28px;
            color: var(--accent);
            margin-bottom: 15px;
        }

        .project-details p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .project-tech {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
            justify-content: center;
        }

        .tech-tag {
            background: var(--accent);
            color: white;
            padding: 4px 12px;
            border-radius: 15px;
            font-size: 12px;
            font-weight: 500;
        }

        /* Disabled link styling */
        .project-link.disabled {
            color: var(--text-secondary);
            cursor: not-allowed;
            opacity: 0.6;
        }

        .project-link.disabled:hover {
            color: var(--text-secondary);
            transform: none;
        }
        .status-indicator {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 15px;
            font-size: 14px;
            font-weight: 500;
        }

        .status-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #6c757d;
            animation: pulse 2s infinite;
        }

        .status-dot.online {
            background: #28a745;
        }

        .status-dot.offline {
            background: #dc3545;
            animation: none;
        }

        .status-dot.checking {
            background: #ffc107;
        }

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

        .status-text.online {
            color: #28a745;
        }

        .status-text.offline {
            color: #dc3545;
        }

        .status-text.checking {
            color: #ffc107;
        }

        .project-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .project-link:hover {
            color: var(--accent-hover);
            transform: translateX(5px);
        }

        .project-footer {
            text-align: center;
            padding: 0 30px 30px;
        }

        /* Footer */
        .footer {
            background: var(--bg-primary);
            padding: 40px 0;
            text-align: center;
            border-top: 1px solid var(--border);
        }

        .footer p {
            color: var(--text-secondary);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .project-content {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .project-image {
                height: 150px;
                margin: 0 auto;
            }

            .hero h1 {
                font-size: 36px;
            }

            .hero-subtitle {
                font-size: 20px;
            }

            .social-links {
                flex-direction: column;
                align-items: center;
            }

            .header-content {
                flex-direction: column;
                gap: 20px;
            }
        }

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

        .project-card {
            animation: fadeInUp 0.6s ease 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; }