.principles-section {
    max-width: 900px;
    margin: 60px auto;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    padding: 40px 50px;
    transition: all 0.3s ease-in-out;
  }

  .principles-section:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.12);
  }

  .principles-section h2 {
    text-align: center;
    color: #18552C;
    font-weight: 700;
    margin-bottom: 30px;
    position: relative;
  }

  .principles-section h2::after {
    content: '';
    width: 80px;
    height: 3px;
    background: #18552C;
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 3px;
  }

  .principles-section ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
  }

  .principles-section ul li {
    background: #f8faff;
    border: 1px solid #e6eeff;
    padding: 14px 18px;
    border-radius: 12px;
    margin-bottom: 12px;
    box-shadow: 0 2px 8px rgba(13, 110, 253, 0.05);
    display: flex;
    align-items: start;
    gap: 10px;
    transition: background 0.3s, transform 0.2s;
  }

  .principles-section ul li i {
    color: #0d6efd;
    font-size: 1.25rem;
    margin-top: 3px;
  }

  .principles-section ul li:hover {
    background: #eaf2ff;
    transform: translateX(4px);
  }