body {font-family: Arial, Helvetica, sans-serif; line-height: 1.6; margin: 0; padding: 0; color: #333;}
    .container {max-width: 1200px; margin: auto; padding: 20px;}
    .hero {background: #f8f9fa; text-align: center; padding: 80px 20px;}
    .hero h1 {font-size: 48px; margin: 0 0 20px;}
    .hero p {font-size: 20px; color: #555;}
    .section {padding: 60px 0;}
    .section h2 {text-align: center; font-size: 36px; margin-bottom: 40px;}
    .intro-text {max-width: 800px; margin: auto; text-align: center; font-size: 18px;}
    .grid {display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-top: 40px;}
    .card {background: #fff; border-radius: 8px; box-shadow: 0 4px 10px rgba(0,0,0,0.1); padding: 30px; text-align: center;}
    .card h3 {font-size: 24px; margin-bottom: 15px;}
    .card p {color: #666;}
    .testimonial {background: #fff; border-left: 5px solid #007bff; padding: 20px; margin-bottom: 20px; font-style: italic;}
    .testimonial p {margin: 0 0 10px;}
    .testimonial cite {display: block; text-align: right; font-weight: bold; font-style: normal; margin-top: 10px;}
    .cert-grid {display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px;}
    img {width: 100%; height: auto; border-radius: 8px; box-shadow: 0 4px 8px rgba(0,0,0,0.1);}
    .cta {text-align: center; padding: 60px 0; background: #007bff; color: #fff;}
    .cta h2 {color: #fff;}
    .cta a {background: #fff; color: #007bff; padding: 15px 30px; font-size: 18px; text-decoration: none; border-radius: 6px; transition: background 0.3s;}
    .cta a:hover {background: #f0f0f0;}