*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  html {
    color: #2B2A29;
    font-family: Montserrat;
    font-size: 18px;
    font-weight: 400;
    line-height: normal;
    scroll-behavior: smooth;
  }

  :root {
    --main: #2B2A29;
    --white: #ffffff;
    --red: #B8002B;
  } 

  .fluid {
    background-color: var(--red);
  }

  .inter_link {
    color: var(--main);
    text-decoration: none;
  }

  .inter_link:hover {
    box-shadow: 4px 4px 4px 0px rgba(0, 0, 0, 0.25);
    color: var(--red);
  }

  .accent {
    color: var(--red);
  }

  .callback {
    color: var(--red);
    border: 1px solid var(--red);
    border-radius: 50px;
    padding: 6px 8px!important;
    transition: 0.8s;
    box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.25);
    max-width: max-content;
  }

  .callback:hover {
    color: var(--white);
    background: linear-gradient(0deg, rgba(113,2,28,1) 5%, rgba(184,0,43,1) 50%, rgba(113,2,28,1) 95%); 
  }

  .content {
    width: 1440px;
    margin: auto;
    display: flex;
    flex-direction: column;
  }

  header {
    position: relative;
    width: 1440px;
    height: 490px;
    margin-top: 60px;
  }

  .header_content {
    display: flex;
    flex-direction: column;
    padding-left: 12%;
    height: 100%;
    justify-content: center;
  }

  .logo_header {
    background: url(./images/logo_light.png);
    width: 400px;
    height: 142px;
  }

  .subtitle_header {
    color: var(--red);
    font-size: 24px;
    text-transform: uppercase;
    font-weight: 400;
    padding-bottom: 50px;
  }

  .title_header {
    color: var(--red);
    font-size: 36px;
    text-transform: uppercase;
    font-weight: 800;
    padding-top: 50px;
  }

  main {
    background-color: var(--white);
    display: flex;
    flex-direction: column;
    row-gap: 100px;
  }

  .about_product_block_cover {
    background-size: cover;
    width: 1440px;
    height: 420px;
    display: flex;
    justify-content: center;
    gap: 50px;
    padding-top: 60px;
  }

  .about_product_block_image {
    background-size: cover;
    width: 450px;
    height: 450px;
  }

  .about_product_block_description {
    display: flex;
    flex-direction: column;
    color: var(--white);
    width: 50%;
    padding-left: 50px;
  }

  .about_product_block_description_title {
    font-size: 36px;
    text-transform: uppercase;
    padding-bottom: 50px;
  }

  .about_product_block_description_text {
    font-size: 24px;
    padding-bottom: 30px;
  }

  .promotion_product_block {
    background: url(./images/pattern.png);
    width: 1440px;
    height: 460px;
    background-size: cover;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    padding-top: 50px;
  }

  .promotion_product_block_image {
    width: 350px;
    height: 460px;
  }

  .promotion_product_block_info {
    width: 550px;
    display: flex;
    flex-direction: column;
    row-gap: 50px;
    align-items: center;
    padding-top: 50px;
  }

  .promotion_product_block_info img {
    width: 150px;
    height: 53px;
    background-size: cover;
    box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.25);
  }

  .promotion_product_block_text {
    font-size: 24px;
    font-weight: 600;
    display: inline;
  }

  .button {
    color: var(--white);
    background-color: var(--red);
    box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.25);
    transition: all 0.8s;
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 20px;
    text-transform: uppercase;
    text-align: center;
  }

  .button:hover {
    background: linear-gradient(0deg, rgba(113,2,28,1) 5%, rgba(184,0,43,1) 50%, rgba(113,2,28,1) 95%);                                    
  }

  .advantages_product_block {
    padding-block: 80px;
    display: flex;
    flex-direction: column;
    background-color: var(--white);
    box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.25);
  }

  .advantages_product_block_title {
    text-align: center;
    padding-top: 30px;
  }

  .advantages_product_block_list {
    list-style: none;
    width: 55%;
  }

  .checkbox {
    width: 40px;
    height: 40px;
    background-size: cover;
  }

  .advantages_product_block_content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
    padding-top: 50px;
  }

  .advantages_product_block_list li {
    display: flex;
    gap: 20px;
    padding-top: 20px;
    transition: 0.2s;
  }

  .advantages_product_block_list li:hover {
    transform: scale(1.02);
    box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.25);
    cursor: pointer;

  }

  .advantages_strong_text {
    font-weight: 600;
  }

  .popular_models_block {
    display: flex;
    flex-direction: column;
    row-gap: 30px;
  }

  .popular_models_block_title {
    text-align: center;
    text-transform: uppercase;
  }

  .line {
    margin: auto;
    width: 300px;
    height: 2px;
  }

  .popular_models_items {
    text-align: center;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 50px;
    padding-top: 30px;
  }

  .popular_models_item {
    display: flex;
    flex-direction: column;
    row-gap: 20px;
    align-items: center;
    box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.25);
    border-radius: 10px;
    padding: 30px 20px;
    transition: 0.5s;
  }

  .popular_models_item:hover {
    transform: scale(1.05);
    background-image: url(./images/pattern.png);
    background-size: contain;
  }

  .model {
    width: 250px;
    height: 250px;
    background-size: cover;
  }

  .item_model {
    text-transform: uppercase;
    font-size: 20px;
  }

  .item_price{
    font-size: 20px;
    font-weight: 700; 
  }

  .details {
  color: var(--white);
  background-color: var(--red);
  border-radius: 50px;
  box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.25);
  padding: 5px 20px!important;
  transition: 0.8s;
  max-width: max-content;
  font-size: 14px;
  }

 .details:hover {
    color: var(--white);
    background: linear-gradient(0deg, rgba(113,2,28,1) 5%, rgba(184,0,43,1) 50%, rgba(113,2,28,1) 95%);                                    
  }

  /*бургер*/
  .noscroll {
    overflow: hidden;
  }

  .menu {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 60px;
    background: var(--white);
    z-index: 2;
  }

  .menu_container {
    display: flex;
    justify-content: space-around;
    height: 100%;
  }

  .menu_toggle {
    display: none;
  }

  .popup {
    display: none;
  }

  .menu_list {
    width: 100%;
    display: flex;
    justify-content: space-between;
  }

  .menu_list > li {
    display: flex;
    align-items: center;
    transition: 0.6s;
  }
  .callback_container {
    display: flex;
    gap: 30px;
    padding-right: 20px;
  }

  .menu_list > li > a {
    display: flex;
    align-items: center;
    font-size: 16px;
    padding: 10px 20px;
    transition: 0.6s;
  }

  .menu_toggle_line {
    display: block;
    width: 30px;
    height: 3px;
    margin: 6px auto;
    background-color: var(--main);
    transition: 0.6s;
  }

  .popup {
    position: fixed;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: var(--white);
    z-index: 1;
    display: block;
    transition: 0.6s;
    overflow-y: auto;
  }

  .popup.open {
    left: 0;
    top: 35px;
  }

  .popup_menu {
    width: 100%;
    padding-top: 150px;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .popup_menu > li {
    width: 100%;
  }

  .popup_menu > li > a {
    width: 100%;
    display: flex;
    justify-content: center;
    padding-top: 10px;
    text-transform: uppercase;
  }

  .menu_toggle_checked.active .menu_toggle_line:nth-child(2) {
    opacity: 0;
  }
  .menu_toggle_checked.active .menu_toggle_line:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  .menu_toggle_checked.active .menu_toggle_line:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }
/*бургер конец*/

/*форма связи начало*/
.background_red {
  background-color: var(--red);
  padding-block: 30px;
}
    .form_container {
      display: flex;
      justify-content: center;
      gap: 30px;
      margin: auto;
      padding: 50px 150px;
      box-shadow: 4px 4px 4px 0px rgba(0, 0, 0, 0.25);
      background-color: var(--white);
      background-image: url(./images/pattern.png);
    }

    .callaction_block {
      display: flex;
      flex-direction: column;
      align-items: center;
      height: max-content;
      margin-top: 100px;
    }

    .form_image {
      width: 390px;
      height: 140px;
    }

    .feedback_form_title {
      color: var(--main);
      font-size: 36px;
      padding-bottom: 10px;

    }

    .feedback_form_subtitle {
      font-size: 16px;
      padding-bottom: 50px;
    }

     #feedback_form {
      width: 350px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
     
    #feedback_form label {
      font-size: 16px;
    }

    #feedback_form > label > span {
      color: var(--main);
    }
  
    #feedback_form input, textarea {
      padding: 5px;
      border-radius: 5px;
      border: 1px solid var(--main);
      resize: none;
      margin-block: 10px;
    }

    #feedback_form input:focus {
      outline: 1.5px solid var(--main);
    }

    #feedback_form textarea {
      height: 150px;
    }

    #feedback_form textarea:focus {
      outline: 1.5px solid var(--main);
    }

    #feedback_form button {
      color: var(--white);
      font-size: 18px;
      border: none;
    }

    .agreement,.agreement_link {
      color: var(--main);
      font-size: 14px;
      padding-block: 20px;
    }
     /*форма связи конец*/

    footer {
      background-color: rgba(43, 42, 41, 0.8);
      height: 80px;
      color: var(--white);
      position: fixed;
      left: 0;
      bottom: 0;
      width: 100%;
      z-index: 2;
      padding: 10px;
     }
     
    footer span  {
      font-size: 12px;
     }

     footer a {
      font-size: 12px;
      color: var(--white);
      text-decoration: none;
     }

     .footer_first_line, .footer_second_line {
        display: flex;
        justify-content: space-between;
      }

      .footer_second_line {
        padding-top: 10px;
      }

     .contacts {
      display: flex;
      gap: 30px;
     }

     .logo_footer {
      width: 100px;
      height: 35px;
      background-size: cover;
     }

     .agreements {
      display: flex;
      gap: 30px;
     }



    /*1440*/
@media (max-width: 1440px) {
  .content, header, .about_product_block_cover, .promotion_product_block {
    width: 1200px;
    height: auto;

  }
}

    /*1200*/
@media (max-width: 1200px) {
  .content, header, .about_product_block_cover, .promotion_product_block {
    width: 993px;
    height: auto;

  }

  .header_content {
    padding-left: 50px;
  }

  .title_header, .subtitle_header {
    font-size: 28px;
    padding-block: 20px;
  }
}

    /*992*/
    @media (max-width: 992px) {
    .content {
      width: 768px;
    }

    header {
      width: 768px;
      height: 260px;
    }

    .logo_header {
      width: 200px;
      height: 70px;
      background-size: cover;
    }

    .title_header {
      font-size: 24px;
    }

    .about_product_block_description {
      padding-left: 10px;
    }

    .promotion_product_block {
      width: 768px;
      background-size: cover;
    }

    .about_product_block_description_title {
      font-size: 20px;
      padding-bottom: 20px;
    }

    .about_product_block_description_text {
      font-size: 16px;
    }

    .promotion_product_block_image {
      width: 250px;
      height: 330px;
    }

    .advantages_product_block_content .promotion_product_block_image {
      display: none;
    }

    .advantages_product_block_list {
      width: 90%;
    }

    .about_product_block_cover {
      width: 768px;
      height: 224px;
      background-size: cover;
      padding-top: 20px;
    }

    .about_product_block_image {
      width: 300px;
      height: 300px;
      background-size: cover;
    }
    
    .menu_list > li > a {
      font-size: 12px;
    }

  footer {
    display: flex;
    justify-content: center;
    gap: 20px;
    height: auto;
  }

  .footer_first_line, .footer_second_line, .contacts, .agreements {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 0;
  }

   /*бургер*/
 .menu_list {
  display: none;
}

  .menu_toggle {
    display: flex;
    align-items: center;
  }
  /*бургер*/
  .callback_container {
    flex-direction: column;
    row-gap: 20px;
    align-items: center;
  }
}

  /*834*/
@media (max-width: 834px) {

  .content {
    width: 576px;
  }

  header {
    width: 576px;
  }

  .about_product_block_cover {
    width: 576px;
    gap: 0;
    justify-content: space-between;
    padding: 10px;
  }

  .about_product_block_description {
    width: fit-content;
  }

  .about_product_block_image {
    width: 150px;
    height: 150px;
  }

  .promotion_product_block {
    width: 576px;
  }

  .form_container {
    flex-direction: column;
    padding: 20px;
    align-items: center;
  }

  .callaction_block{
    margin-top: 0;
  }
}

  /*576*/
  @media (max-width: 576px) {
    .content {
      width: 390px;
    }
  
    header {
      width: 390px;
    }

    .logo_header {
      width: 100px;
      height: 35px;
    }

    .promotion_product_block {
      width: 390px;
    }

    .about_product_block_cover {
      width: 390px;
      flex-direction: column;
    }

    .about_product_block_image {
      display: none;
    }
    
    .promotion_product_block_info {
      width: 100%;
    }

    .promotion_product_block_text {
      padding-left: 10px;
      display: block;
    }

    .form_image {
      width: 195px;
      height: 70px;
      background-size: cover;
    }

    .callaction_block {
      text-align: center;
    }

    .form_container {
      padding-bottom: 150px;
    }

    
  
  }