* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, sans-serif;
        }

        :root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #dbeafe;
            --secondary: #7c3aed;
            --accent: #06b6d4;
            --light: #f8fafc;
            --dark: #1e293b;
            --gray: #64748b;
            --light-gray: #f1f5f9;
            --border: #e2e8f0;
            --card-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
            --hover-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        }

        body {
            background-color: #ffffff;
            color: var(--dark);
            line-height: 1.6;
            min-height: 100vh;
        }

        .container {
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header Styles */
        header {
            background: white;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }

        header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: #333;
            font-weight: 700;
            font-size: 1.5rem;
        }

        .logo-img {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 1.2rem;
        }


        /* Hero Section */
        .hero {
            padding: 60px 0 40px;
            text-align: center;
            background: linear-gradient(to bottom, #f8fafc, #ffffff);
        }

        .hero h1 {
            font-size: 42px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--dark);
        }

        .hero p {
            font-size: 18px;
            color: var(--gray);
            max-width: 600px;
            margin: 0 auto 32px;
        }

        .search-bar {
            max-width: 600px;
            margin: 0 auto 40px;
            position: relative;
        }

        .search-bar input {
            width: 100%;
            padding: 16px 24px;
            border-radius: 50px;
            border: 2px solid var(--border);
            font-size: 16px;
            background: white;
            transition: all 0.3s;
        }

        .search-bar input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }

        .search-bar i {
            position: absolute;
            right: 24px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--gray);
            font-size: 18px;
        }

        .stats {
            display: flex;
            justify-content: center;
            gap: 60px;
        }

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

        .stat-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 16px;
            color: var(--gray);
        }

        /* Tools Section */
        .tools-section {
            padding: 60px 0;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            text-align: center;
            margin-bottom: 40px;
            color: var(--dark);
        }

        .category-title {
            font-size: 24px;
            font-weight: 600;
            margin: 50px 0 25px;
            padding-bottom: 12px;
            border-bottom: 3px solid var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .category-count {
            background: var(--primary);
            color: white;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
        }

        .tools-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }

        .tool-card {
            background: white;
            border-radius: 10px;
            padding: 24px;
            box-shadow: var(--card-shadow);
            transition: all 0.3s ease;
            text-decoration: none;
            color: var(--dark);
            border: 1px solid var(--border);
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .tool-card:hover {
            box-shadow: var(--hover-shadow);
            transform: translateY(-3px);
        }

        .tool-icon {
            width: 50px;
            height: 50px;
            background: var(--primary-light);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .tool-icon i {
            font-size: 24px;
            color: var(--primary);
        }

        .tool-content {
            flex: 1;
        }

        .tool-name {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .tool-desc {
            font-size: 14px;
            color: var(--gray);
            line-height: 1.5;
        }

        /* Footer */
        footer {
            background: var(--dark);
            color: white;
            padding: 50px 0 30px;
            margin-top: 40px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-column h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: #cbd5e1;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.2s;
        }

        .footer-links a:hover {
            color: white;
        }

        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 14px;
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .tools-grid {
                grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            }
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 32px;
            }
            
            .hero p {
                font-size: 16px;
            }
            
            .stats {
                gap: 40px;
            }
            
            .section-title {
                font-size: 28px;
            }
            
            .tools-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 480px) {
            .logo {
                font-size: 24px;
            }
            
            .hero h1 {
                font-size: 28px;
            }
            
            .stats {
                flex-direction: column;
                gap: 30px;
            }
            
            .tool-card {
                padding: 20px;
            }
        }