:root {
            --primary: #00958f;
            --secondary: #2d3940;
            --accent: #0693e3;
            --bg: #f4f4f4;
            --text: #333333;
            --light: #ffffff;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: 'Open Sans', Helvetica, Arial, sans-serif; line-height: 1.6; color: var(--text); background: var(--bg); }
        
        header { background: var(--secondary); padding: 2rem; color: var(--light); text-align: center; }
        nav { display: flex; justify-content: center; gap: 20px; padding: 1rem; background: var(--primary); flex-wrap: wrap; }
        nav a { color: var(--light); text-decoration: none; font-weight: bold; font-size: 0.9rem; }
        nav a:hover { text-decoration: underline; }

        .hero { 
            background: linear-gradient(135deg, var(--secondary), var(--primary)); 
            padding: 4rem 2rem; 
            text-align: center; 
            color: var(--light);
        }

        .container { max-width: 1000px; margin: 2rem auto; padding: 0 1rem; }
        .grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
        
        @media (min-width: 768px) { .grid { grid-template-columns: repeat(2, 1fr); } }
        @media (min-width: 1024px) { .grid { grid-template-columns: repeat(3, 1fr); } }

        .card { background: var(--light); padding: 1.5rem; border-radius: 8px; box-shadow: 0 4px 6px rgba(0,0,0,0.1); border-top: 5px solid var(--primary); }
        h1, h2 { margin-bottom: 1rem; color: var(--secondary); }
        footer { text-align: center; padding: 3rem; background: var(--secondary); color: var(--light); margin-top: 3rem; }

        .icon-box { width: 48px; height: 48px; background: var(--accent); margin: 0 auto 1rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
        .icon-box::after { content: 'i'; color: white; font-weight: bold; font-family: Georgia; font-size: 1.5rem; }