/* Arcstone contact form (static HTML -> /api/contact via Pages Functions) */
  #contact .arcstone-contact-form-wrapper{
    max-width: 900px;
    margin: 0 auto;
    padding: 48px 16px 28px;
  }
  #contact .arcstone-contact-title{
    margin: 0 0 10px 0;
    font-size: 32px;
    line-height: 1.25;
    color: #1D2023;
    font-weight: 700;
  }
  #contact .arcstone-contact-note{
    margin: 0 0 22px 0;
    font-size: 15px;
    line-height: 1.6;
    color: #50555c;
  }
  #contact .arcstone-contact-note a{
    color: #1c3c4c;
    text-decoration: underline;
  }
  #contact .arcstone-contact-form{
    display: block;
    background: rgba(28, 60, 76, 0.04);
    border: 1px solid rgba(28, 60, 76, 0.15);
    border-radius: 8px;
    padding: 18px;
  }
  #contact .arcstone-grid{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  @media (max-width: 767px){
    #contact .arcstone-grid{ grid-template-columns: 1fr; }
  }
  #contact .arcstone-field{
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 14px;
  }
  #contact .arcstone-field label{
    font-size: 13px;
    font-weight: 600;
    color: #1D2023;
  }
  #contact .arcstone-field input,
  #contact .arcstone-field textarea{
    width: 100%;
    box-sizing: border-box;
    border: 1px solid rgba(0,0,0,0.2);
    border-radius: 6px;
    padding: 12px 12px;
    font-size: 15px;
    line-height: 1.4;
    background: #fff;
    color: #1D2023;
    outline: none;
  }
  #contact .arcstone-field input:focus,
  #contact .arcstone-field textarea:focus{
    border-color: rgba(28,60,76,0.7);
    box-shadow: 0 0 0 3px rgba(28,60,76,0.12);
  }
  #contact .arcstone-field textarea{
    min-height: 140px;
    resize: vertical;
  }
  #contact .arcstone-charhint{
    font-size: 12px;
    color: #50555c;
    text-align: right;
    margin-top: 4px;
  }
  #contact .arcstone-actions{
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 6px;
  }
  #contact .arcstone-contact-submit{
    appearance: none;
    border: none;
    border-radius: 6px;
    padding: 12px 18px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    background: #1c3c4c;
    color: #fff;
  }
  #contact .arcstone-contact-submit:disabled{
    opacity: 0.6;
    cursor: not-allowed;
  }
  #contact .arcstone-contact-status{
    margin-top: 10px;
    font-size: 14px;
    line-height: 1.5;
    color: #50555c;
  }
  #contact .arcstone-contact-status.ok{ color: #0a7d2c; }
  #contact .arcstone-contact-status.err{ color: #b00020; }