:root {
            --primary: #282828;
            --secondary: #858482;
            --tertiary: #656160;
            --card-bg: #1f1f1f;
            --white: #ffffff;
        }

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

        body {
            font-family: 'DM Sans', sans-serif;
            background: var(--primary);
            color: var(--white);
            line-height: 1.6;
        }

        /* Header */
        header {
            background: var(--primary);
            padding: 3rem 1.5rem 2rem;
            border-bottom: 1px solid var(--tertiary);
        }

        .header-content {
            max-width: 1400px;
            margin: 0 auto;
        }

        h1 {
            font-family: 'Poppins', sans-serif;
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .subtitle {
            font-size: 1rem;
            color: var(--secondary);
            margin-bottom: 1.5rem;
        }

        .whatsapp-btn {
            display: inline-block;
            background: #25d365bb;
            color: white;
            padding: 0.7rem 1.3rem;
            border-radius: 6px;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.9rem;
        }

        /* Container */
        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 2.5rem 1.5rem;
        }

        /* Category Section */
        .category-section {
            margin-bottom: 3rem;
        }

        .category-title {
            font-family: 'Poppins', sans-serif;
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            color: var(--white);
        }

        /* Apps Grid */
        .apps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 1.2rem;
        }

        /* App Card */
        .app-card {
            background: var(--card-bg);
            border: 1px solid var(--tertiary);
            border-radius: 12px;
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .app-icon {
            width: 80px;
            height: 80px;
            background: var(--tertiary);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }

        .app-name {
            font-family: 'Poppins', sans-serif;
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.4rem;
            color: var(--white);
        }

        .app-description {
            color: var(--secondary);
            margin-bottom: 1rem;
            line-height: 1.3;
            font-size: 0.8rem;
            flex-grow: 1;
        }

        .app-actions {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
            width: 100%;
        }

        .btn {
            padding: 0.65rem;
            border: none;
            border-radius: 8px;
            font-weight: 500;
            cursor: pointer;
            text-decoration: none;
            text-align: center;
            font-size: 0.85rem;
        }

        .btn-primary {
            background: var(--white);
            color: var(--primary);
        }

        .btn-secondary {
            background: transparent;
            color: var(--white);
            border: 1px solid var(--secondary);
        }

        .web-app-link {
            display: block;
            text-align: center;
            font-size: 0.7rem;
            color: var(--secondary);
            text-decoration: none;
            margin-top: 0.4rem;
        }

        /* Footer */
        footer {
            background: var(--primary);
            color: var(--white);
            padding: 2.5rem 1.5rem 2rem;
            margin-top: 3rem;
            border-top: 1px solid var(--tertiary);
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            justify-content: center;
            margin-bottom: 1.5rem;
        }

        .footer-link {
            color: var(--secondary);
            text-decoration: none;
            font-size: 0.9rem;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid var(--tertiary);
            color: var(--secondary);
            font-size: 0.85rem;
        }

        /* Responsive */
        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }

            .apps-grid {
                grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
            }
        }

        @media (max-width: 480px) {
            .apps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }