:root {
            --primary: #ef4444;
            --primary-hover: #dc2626;
            --secondary: #4b5563;
            --secondary-hover: #374151;
            --accent: #10b981;
            --danger: #ef4444;
            --warning: #f59e0b;
            --bg-light: #f8fafc;
            --bg-card: #ffffff;
            --gray-100: #f3f4f6;
            --gray-200: #e5e7eb;
            --gray-400: #9ca3af;
            --gray-700: #4b5563;
            --gray-900: #111827;
            --radius: 8px;
            --shadow: 0 4px 6px rgba(0,0,0,0.05);
            --shadow-hover: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.2s ease;
        }

        * { 
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
        }

        body {
            background-color: var(--bg-light);
            color: var(--gray-900);
            line-height: 1.6;
        }

        header {
            background: var(--bg-card);
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
            padding: 0 32px;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 10;
        }

        .logo {
            font-weight: 800;
            font-size: 1.6rem;
            color: var(--primary);
            letter-spacing: -1px;
            display: flex;
            align-items: center;
        }

        .nav {
            display: flex;
            gap: 16px;
            align-items: center;
        }

        .nav a {
            text-decoration: none;
            color: var(--gray-700);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 12px;
            border-radius: var(--radius);
            transition: var(--transition);
        }

        .nav a:hover {
            color: var(--primary);
            background-color: var(--gray-100);
        }

        .container {
            max-width: 1000px;
            margin: 40px auto;
            padding: 0 20px;
        }

        .page-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .page-title {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 15px;
        }

        .page-subtitle {
            color: var(--gray-700);
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .contact-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 30px;
            transition: var(--transition);
        }

        .contact-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .contact-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .contact-title {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: var(--gray-900);
        }

        .contact-info {
            color: var(--gray-700);
            margin-bottom: 20px;
        }

        .contact-link {
            display: inline-block;
            background: var(--primary);
            color: white;
            padding: 10px 20px;
            border-radius: var(--radius);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
        }

        .contact-link:hover {
            background: var(--primary-hover);
        }

        .about-section {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px;
            margin-bottom: 40px;
            display: flex;
            align-items: center;
            gap: 30px;
        }

        .about-image {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid var(--primary);
        }

        .about-content {
            flex: 1;
        }

        .about-title {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 15px;
        }

        .about-text {
            color: var(--gray-700);
            margin-bottom: 15px;
        }

        footer {
            margin-top: 60px;
            background: var(--gray-100);
            color: var(--gray-700);
            padding: 32px 10px 18px;
            text-align: center;
            border-top: 1px solid var(--gray-200);
        }

        .footer-links {
            margin-bottom: 12px;
            display: flex;
            gap: 24px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: var(--gray-700);
            text-decoration: none;
            font-size: 1rem;
            transition: color .18s;
        }

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

        @media (max-width: 768px) {
            .about-section {
                flex-direction: column;
                text-align: center;
            }
            
            .contact-grid {
                grid-template-columns: 1fr;
            }
            
            .page-title {
                font-size: 2rem;
            }
        }