.mind-section {
    margin-top: 30px;
    text-align: center;
  }
  
  .mind-section img {
    width: 100%;
    height: 500px;
    max-width: 100%;
  }
  .solar-heater-section {
    padding: 60px 20px;
    background-color: #f9f9f9;
  }
  
  .solar-heater-section h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 30px;
    color: #333;
  }
  
  .solar-heater-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 40px;
  }
  
  .solar-heater-text ul {
    list-style-type: disc;
    padding-left: 20px;
    font-size: 18px;
    color: #444;
  }
  
  .solar-heater-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  }
  .solar-working-section {
    padding: 70px 20px;
    background: linear-gradient(135deg, #e0f7fa, #ffffff);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  }
  
  .solar-working-container {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
    padding: 40px;
    background-color: #ffffff;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  }
  
  .solar-working-heading {
    font-size: 36px;
    color: #00796b;
    margin-bottom: 25px;
    font-weight: bold;
  }
  
  .solar-working-content p {
    font-size: 18px;
    line-height: 1.8;
    color: #444;
  }
  
  @media (max-width: 768px) {
    .solar-working-container {
      padding: 20px;
    }
  
    .solar-working-heading {
      font-size: 28px;
    }
  
    .solar-working-content p {
      font-size: 16px;
    }
  }
  .solar-benefits-section {
    background: #f0fdf4;
    padding: 60px 20px;
    font-family: 'Segoe UI', sans-serif;
  }
  
  .benefits-container {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    padding: 40px 30px;
  }
  
  .benefits-heading {
    font-size: 34px;
    color: #2e7d32;
    margin-bottom: 30px;
  }
  
  .benefits-list {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  
  .benefits-list li {
    font-size: 18px;
    color: #333;
    margin: 15px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: flex-start;
  }
  
  .benefit-icon {
    font-size: 24px;
    color: #388e3c;
  }
  
  @media (max-width: 768px) {
    .benefits-list li {
      flex-direction: column;
      align-items: center;
      text-align: center;
    }
  }
  .advantages-section {
    padding: 60px 20px;
    background-color: #f5faff;
    text-align: center;
    font-family: 'Segoe UI', sans-serif;
  }
  
  .advantages-section h2 {
    font-size: 36px;
    color: #00796b;
    margin-bottom: 40px;
  }
  
  .advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
  }
  
  .advantage-box {
    background-color: #ffffff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .advantage-box img {
    width: 50px;
    height: 50px;
    margin-bottom: 15px;
  }
  
  .advantage-box p {
    font-size: 16px;
    color: #333;
    margin: 0;
  }