:root {
      --primary: #2563eb;
      --primary-dark: #1d4ed8;
      --accent: #059669;
      --light-bg: #f8fafc;
      --text: #0f172a;
      --gray: #64748b;
    }

    body {
      font-family: 'Inter', sans-serif;
      color: var(--text);
      background-color: #ffffff;
      scroll-behavior: smooth;
      line-height: 1.6;
    }

    h1, h2, h3, h4 {
      font-weight: 700;
      line-height: 1.2;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      border: none;
      padding: 14px 28px;
      font-weight: 600;
      border-radius: 12px;
      transition: all 0.25s ease;
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
    }

    .btn-whatsapp {
      background-color: #25D366;
      color: white;
      width: 72px;
      height: 72px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 28px;
      box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1050;
      transition: transform 0.2s;
    }
    .btn-whatsapp:hover {
      transform: scale(1.12);
    }

    .hero {
      background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
      padding: 70px 16px 50px;
      position: relative;
      overflow: hidden;
    }
    .hero-img {
      max-width: 100%;
      height: auto;
      margin-top: 24px;
      border-radius: 12px;
      /*box-shadow: 0 8px 24px rgba(0,0,0,0.08); */
    }

    .section {
      padding: 60px 16px;
    }

    .card {
      border: none;
      border-radius: 16px;
      padding: 24px;
      background: white;
      box-shadow: 0 4px 12px rgba(0,0,0,0.03);
      margin-bottom: 24px;
      transition: transform 0.3s ease;
    }
    .card:hover {
      transform: translateY(-4px);
      box-shadow: 0 6px 16px rgba(0,0,0,0.08);
    }

    .step-item {
      text-align: center;
      margin-bottom: 32px;
    }
    .step-number {
      width: 52px;
      height: 52px;
      background: var(--primary);
      color: white;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 22px;
      margin: 0 auto 16px;
    }

    .testimonial {
      background: white;
      padding: 24px;
      border-radius: 16px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.03);
      margin: 0 auto;
      max-width: 800px;
      position: relative;
    }
    .testimonial-avatar {
      width: 60px;
      height: 60px;
      border-radius: 50%;
      background: var(--light-bg);
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      color: var(--primary);
      font-weight: bold;
      font-size: 24px;
    }

    .faq-item {
      border-bottom: 1px solid #e2e8f0;
      padding: 16px 0;
    }
    .faq-item:last-child {
      border-bottom: none;
    }

    footer {
      background: var(--text);
      color: white;
      padding: 32px 16px;
      text-align: center;
    }
    footer a {
      color: #94a3b8;
      text-decoration: none;
    }
    footer a:hover {
      color: white;
    }

    /* Desktop enhancements */
    @media (min-width: 992px) {
      .hero {
        padding: 100px 24px 80px;
      }
      .hero-content {
        max-width: 600px;
      }
      .hero .btn-group {
        display: flex;
        gap: 16px;
      }
      .hero .btn {
        flex: 1;
        max-width: 280px;
      }
      .hero-img {
        max-width: 400px;
        margin-top: 0;
        margin-left: auto;
      }
      .section {
        padding: 90px 24px;
      }
    }