 * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            padding: 20px;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
        }

        header {
            background: white;
            padding: 25px 40px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            margin-bottom: 30px;
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .logo {
            font-size: 32px;
            font-weight: bold;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .tagline {
            color: #666;
            font-size: 14px;
            margin-top: 5px;
        }

        .search-bar {
            flex: 1;
            max-width: 500px;
            position: relative;
        }

        .search-bar input {
            width: 100%;
            padding: 12px 45px 12px 20px;
            border: 2px solid #e0e0e0;
            border-radius: 25px;
            font-size: 16px;
            transition: all 0.3s;
        }

        .search-bar input:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        }

        .search-btn {
            position: absolute;
            right: 5px;
            top: 50%;
            transform: translateY(-50%);
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border: none;
            padding: 8px 20px;
            border-radius: 20px;
            color: white;
            cursor: pointer;
            font-weight: 600;
        }

        .filters {
            background: white;
            padding: 20px 30px;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            margin-bottom: 30px;
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
            align-items: center;
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .filter-group label {
            font-weight: 600;
            color: #333;
        }

        .filter-group select {
            padding: 8px 15px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 14px;
            cursor: pointer;
            background: white;
        }

        .suppliers-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 25px;
            margin-bottom: 30px;
        }

        .supplier-card {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            transition: transform 0.3s, box-shadow 0.3s;
            cursor: pointer;
        }

        .supplier-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        .supplier-header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 20px;
            color: white;
        }

        .supplier-name {
            font-size: 22px;
            font-weight: bold;
            margin-bottom: 5px;
        }

        .supplier-category {
            font-size: 14px;
            opacity: 0.9;
        }

        .supplier-body {
            padding: 20px;
        }

        .supplier-info {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 15px;
        }

        .info-row {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: #555;
        }

        .info-icon {
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .rating {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .stars {
            color: #ffc107;
            font-size: 18px;
        }

        .materials-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 15px;
        }

        .material-tag {
            background: #f0f0f0;
            padding: 5px 12px;
            border-radius: 15px;
            font-size: 12px;
            color: #555;
        }

        .inquiry-btn {
            width: 100%;
            padding: 12px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border: none;
            border-radius: 8px;
            color: white;
            font-weight: 600;
            cursor: pointer;
            transition: opacity 0.3s;
        }

        .inquiry-btn:hover {
            opacity: 0.9;
        }

        footer {
            background: white;
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            margin-top: 30px;
        }

        .footer-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .footer-title {
            font-size: 28px;
            font-weight: bold;
            text-align: center;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 10px;
        }

        .footer-subtitle {
            text-align: center;
            color: #666;
            margin-bottom: 30px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #333;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 15px;
            font-family: inherit;
            transition: border-color 0.3s;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #667eea;
        }

        .form-group textarea {
            resize: vertical;
            min-height: 120px;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .submit-btn {
            width: 100%;
            padding: 15px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border: none;
            border-radius: 8px;
            color: white;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: opacity 0.3s;
            margin-top: 10px;
        }

        .submit-btn:hover {
            opacity: 0.9;
        }

        .success-message {
            display: none;
            background: #d4edda;
            color: #155724;
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 20px;
            text-align: center;
        }

        .success-message.show {
            display: block;
        }

        .footer-bottom {
            text-align: center;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #e0e0e0;
            color: #666;
            font-size: 14px;
        }

        .stats-bar {
            background: white;
            padding: 25px;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 20px;
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-size: 32px;
            font-weight: bold;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-label {
            color: #666;
            font-size: 14px;
            margin-top: 5px;
        }

        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.7);
            z-index: 1000;
            align-items: center;
            justify-content: center;
        }

        .modal.active {
            display: flex;
        }

        .modal-content {
            background: white;
            padding: 30px;
            border-radius: 15px;
            max-width: 500px;
            width: 90%;
            max-height: 80vh;
            overflow-y: auto;
        }

        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }

        .close-btn {
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: #999;
        }

        @media (max-width: 768px) {
            .suppliers-grid {
                grid-template-columns: 1fr;
            }
            
            .header-content {
                flex-direction: column;
            }
            
            .search-bar {
                max-width: 100%;
            }

            .form-row {
                grid-template-columns: 1fr;
            }
        }