@media (max-width: 481px) {
  /* header styles */
  header {
    padding: 28px 20px;
  }
  .img_guitar {
    width: 39.87px;
    height: 39.86px;
  }
  .header_butt {
    width: 32px;
    height: 32px;
  }
  .header_sec {
    gap: 16px;
  }
  /* main title style */
  .main_title {
    font-size: 24px;
  }
  .span_title {
    font-size: 24px;
  }

  /* card sec styles */

  .cards_sec {
    padding: 32px 0 32px 20px;
    gap: 40px;
  }
  .card_sec_title {
    font-size: 24px;
    line-height: 32px;
  }

  /* footer styles */

  footer {
    flex-wrap: wrap;
    row-gap: 40px;
    padding: 32px 0;
    text-align: center;
  }
  .footer_sec {
    flex: 1 1 100%;
    align-items: center;
  }

  .for_social {
    justify-content: center;
  }

  /* catalog page styles */

  .cat_sec_1 {
    padding: 32px 20px;
    gap: 40px;
  }

  .filter1 {
    display: none;
  }
  .for_selling {
    display: none;
  }
  .selling_butt {
    width: 36px;
    height: 32px;
    align-items: center;
    justify-content: center;
  }

  .btn_spn {
    display: none;
  }

  .navigation_btn {
    width: 52px;
  }
  .cat_navigation {
    gap: 46px;
  }

  /* contact page styles */
  .contact_us {
    padding-inline: 20px;
  }

  .sec_for_name {
    flex-direction: column;
    gap: 36px;
  }
}

@media (max-width: 321px) {
  /* header styles */
  header {
    padding-inline: 8px;
  }
  .cards_sec {
    padding-left: 8px;
  }
  /* catalog page styles */

  .cat_sec_1 {
    padding-inline: 8px;
  }

  /* contact page styles */
  .contact_us {
    padding: 48px 8px;
  }
  .main_sec {
    padding-inline: 8px;
  }

  .sec_for_name {
    gap: 24px;
  }
  .main_form {
    gap: 24px;
  }

  .location_sec {
    row-gap: 24px;
  }
}