:root {
            --primary: #714b67; /* Odoo Purple */
            --secondary: #00acc1; /* Cyan */
            --dark: #2c3e50;
            --light: #f8f9fa;
        }
        
        body {
            font-family: 'Segoe UI', system-ui, sans-serif;
            background-color: #f0f2f5;
            margin: 0;
            color: #333;
            line-height: 1.6;
        }

        header {
            background: linear-gradient(135deg, var(--primary), #5a3a52);
            color: white;
            padding: 60px 20px;
            text-align: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }

        h1 { margin: 0; font-size: 2.5em; font-weight: 700; letter-spacing: -1px; }
        .subtitle { font-size: 1.2em; opacity: 0.9; margin-top: 10px; font-weight: 300; }
        .author { margin-top: 20px; font-size: 0.9em; background: rgba(255,255,255,0.1); display: inline-block; padding: 5px 15px; border-radius: 20px; }

        .container {
            max-width: 1000px;
            margin: -40px auto 40px;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .card {
            background: white;
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            text-decoration: none;
            color: inherit;
            border-top: 5px solid transparent;
            display: flex;
            flex-direction: column;
        }

        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
        }

        .card h2 { color: var(--dark); margin-top: 0; font-size: 1.4em; }
        .card p { color: #666; font-size: 0.95em; flex-grow: 1; }
        
        .badge {
            display: inline-block;
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 0.75em;
            font-weight: bold;
            margin-bottom: 15px;
            text-transform: uppercase;
        }

        /* Colores específicos por tarjeta */
        .card.install { border-top-color: #4caf50; }
        .card.install .badge { background: #e8f5e9; color: #2e7d32; }

        .card.proxy { border-top-color: #ff9800; }
        .card.proxy .badge { background: #fff3e0; color: #ef6c00; }

        .card.dev { border-top-color: var(--secondary); }
        .card.dev .badge { background: #e0f7fa; color: #006064; }

        .card.user { border-top-color: var(--primary); }
        .card.user .badge { background: #f3e5f5; color: #7b1fa2; }

        .card.bi { 
            border-top-color: #d32f2f; 
            border-left: 4px solid #d32f2f;
            background: linear-gradient(135deg, rgba(255,255,255,1) 0%, rgba(255,245,245,0.8) 100%);
        }
        .card.bi .badge { 
            background: #ffebee; 
            color: #c62828;
            font-weight: bold;
        }

        .arrow { margin-top: 20px; font-weight: bold; color: var(--primary); align-self: flex-end; }
        
        footer { text-align: center; padding: 40px; color: #888; font-size: 0.9em; }