head {
    
}

body{
    font-family: Georgia, 'Times New Roman', Times, serif;
    margin: 0;
    padding: 0;
    box-shadow: border-box;


}
.parallax{
  background: white; 
  background-attachment: fixed;
  background-size: cover;
  background-repeat: no-repeat;
  height: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.parallax .mask{
    position: absolute;
    top:0;
    left:0;
    height:100%;
    width:100%;
    background: rgba(0, 0, 0, 0,7);
    z-index:2;
}
.parallax-content{
    z-index:3;
    display:block

}

.parallax-content{
  background: #000000d6;
  box-shadow: 0 10px 30px #ffffff;
  width:90%; 
  height: auto;
  border-radius: 40px;
  float:center;
  color: white;
  display: flex;
}

.parallax-content p {
  margin-top: 2%;
  margin-bottom: 3%;
  font-size: 20px;
  text-align: center;
  font-family: sans-serif;
  padding-left: 5%;
  padding-right: 5%;
  line-height: 35px;
}

.parallax-content p a{
  color: white;
}

.parallax-content p a:hover {
  color: #f96900;
  cursor: pointer;
}



.text1{
    color:#ffff;
    font-size: 75px;
    font-weight: 800;
    letter-spacing: 5px;
    margin-bottom: 20px;
    text-align: center;
    position: relative;
    
}


/*снизу всё что к менюшке*/


    
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: sans-serif;
  border: none;
  outline: none;
  text-decoration: none;
}


section {
  padding: 0rem 2%;
} 

.header {
  background-color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 5px 10px #000;
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  z-index: 100;
  border-radius: 50px;
  line-height: 35px;
  padding-right: 20px;
}

.header .logo img {
  width: 70px;
  height: 70px;
  position: relative;
  margin-left: 25px;
  margin-top: 8px;
}



.navbar a {
    margin: 0 15px;
    text-decoration: none;
    color: black;
    font-weight: bold;
    font-size: 18px;
    position: relative;
    padding: 10px 0;
    transition: color 0.3s ease; /* Плавный переход цвета текста */
}

.navbar a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: blue;
    bottom: 0;
    left: 0;
    transition: width 0.3s ease; /* Плавное появление черты */
}

.navbar a:hover::after {
    width: 100%; /* Черта появляется полностью при наведении */
}

.navbar a:hover {
    color: black; /* Оставляем цвет текста неизменным при наведении */
}

html {
  text-align: center;
}

#menu {
  cursor: pointer;
  display: none;
}

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

body {
  font-family: Arial, sans-serif;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: white;
}

.logo img {
  height: 50px;
}

.navbar a {
  text-decoration: none;
  color: black;
  font-weight: bold;
  font-size: 18px;
  position: relative;
  transition: color 0.3s ease; /* Плавный переход цвета текста */
}

.navbar a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  background-color: blue;
  bottom: 0;
  left: 0;
  transition: width 0.3s ease; /* Плавное появление черты */
}

.navbar a:hover::after {
  width: 100%; /* Черта появляется полностью при наведении */
}

.navbar a:hover {
  color: black; /* Оставляем цвет текста неизменным при наведении */
}

.burger {
  display: none;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
  height: 24px;
  margin-right: 20px;
}

.burger .line {
  width: 30px;
  height: 3px;
  background-color: black;
}

/* Адаптивность для мобильных устройств */
@media (max-width:1300px) {
  section {
      padding: 0rem 5%;
    line-height: 35px;
  }
  html {
    font-size: 80%;
  }
  }
  
  @media (max-width:1250px) {
  section {
      padding: 0rem 5%;
    line-height: 35px;
  }
  html {
    font-size: 80%;
  }
  }
  
  @media (max-width:1200px) {
  section {
    padding: 0rem 5%;
  line-height: 35px;
  }
  html {
  font-size: 80%;
  }
  }
  
  @media (max-width:1150px) {
  section {
    padding: 0rem 5%;
  line-height: 35px;
  }
  html {
  font-size: 80%;
  }
  }
  
  @media (max-width:1100px) {
  section {
    padding: 0rem 5%;
  line-height: 35px;
  }
  html {
  font-size: 80%;
  }
  }
  
  @media (max-width:1050px) {
  section {
    padding: 0rem 5%;
  line-height: 35px;
  }
  html {
  font-size: 80%;
  }
  }
  
  @media (max-width:1000px) {
  section {
    padding: 0rem 5%;
    line-height: 35px;
  }
  html {
  font-size: 80%;
  }
  .parallax-content p {
    font-size: 16px
    }
      .parallax-content h1 {
        font-size: 30px;
        }
        .custom-button {
          font-size: 20px;
        }
        .title {
          font-size: 30px;
        }
        .container p {
          font-size: 30px;
        }
  }
  
  @media (max-width:950px) {
  section {
    padding: 0rem 5%;
  line-height: 35px;
  }
  html {
  font-size: 80%;
  }
  }
  
  @media (max-width:900px) {
  section {
    padding: 0rem 5%;
  line-height: 35px;
  }
  html {
  font-size: 80%;
  }
  }
  
  @media (max-width:887px) {
    section {
      padding: 0rem 5%;
    line-height: 35px;
    }
    html {
    font-size: 70%;
    }
    }
  
  @media (max-width:850px) {
  section {
    padding: 0rem 5%;
  line-height: 35px;
  }
  html {
  font-size: 70%;
  }
  }
  
  @media (max-width:800px) {
  section {
  padding: 0rem 5%;
  line-height: 35px;
  }
  html {
  font-size: 60%;
  }
  }
  
  @media (max-width:700px) {
    section {
    padding: 0rem 5%;
    line-height: 35px;
    }
    html {
    font-size: 65%;
    }
    .container p {
      font-size: 20px;
    }
  }
@media (max-width: 500px) {
  .navbar {
      display: none;
      flex-direction: column;
      position: absolute;
      top: 70px;
      right: 0;
      background-color: white;
      width: 100%;
      text-align: center;
      padding: 20px 0;
  }

  .navbar.active {
      display: flex;
  }

  .burger {
      display: flex;
  }

  .navbar a {
      margin: 10px 0;
      font-size: 20px;
  }
}

  /*сверху всё что к менюшке*/



  /*ниже все что к слайдеру*/

  h5 {
    position: relative;
    margin-top: 100px; 
    margin-bottom: -150px;
    text-align: center;
    background-color: #2259ff;
    text-align: center;
    font-size: 40px;
    font-weight: 1000;
    color: #ffffff;
    padding: 10px 10px 20px 10px;
  }


  .container{
    width: 90%;
    height: auto;
    margin: 0 auto;
    border: 10px solid var(--clr-dark);
    margin-top: 5%;
    background-color: #d2b41c00;
    margin-bottom: 200px;
    display: flex;
  }  

  .item {
    width: 250px;
    height: 300px;
    background-color: rgb(255, 255, 255);
    font-weight: 700;
    border-radius: 10px;
    cursor: pointer;
    margin-top: 50%;
    margin-left: 40px;
    transition: transform 0.3s ease, box-shadow 0.3s ease; /* Плавность эффекта */
  }

  .item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
}



  .container {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 5em;
    row-gap: 2rem;
  }

  .item h1 {
    font-size: 25px;
    font-weight: 700;
  }


  .item .text {
    color: rgb(0, 0, 0);
    position: absolute;
    margin-top: 130%;
    max-width: 250px;
    text-align: center;
    font-size: 15px;
  }

  .item-1 {
    background-image: url('../assets/ 9001.jpg');
    width: 250px;
    height: 300px;
    position: relative;
    box-shadow: 0 5px 15px #000000; 
    background-size: cover;
    display: inline-block;
    border-radius: 20px;
  }

 


  .item-2 {
    background-image: url('../assets/ ГАЗПРОМ.jpg');
    width: 250px;
    height: 300px;
    position: relative;
    box-shadow: 0 5px 15px #000000; 
    background-size: cover;
    display: inline-block;
    border-radius: 20px;
  }



  .item-3 {
    background-image: url('../assets/ 14001.jpg');
    width: 250px;
    height: 300px;
    position: relative;
    box-shadow: 0 5px 15px #000000; 
    background-size: cover;
    display: inline-block;
    border-radius: 20px;
  }

  

  .item-4 {
    background-image: url('../assets/ 0015-002.jpg');
    width: 250px;
    height: 300px;
    position: relative;
    box-shadow: 0 5px 15px #000000; 
    background-size: cover;
    display: inline-block;
    border-radius: 20px;
  }


  .item-5 {
    background-image: url('../assets/ 16949.jpg');
    width: 250px;
    height: 300px;
    position: relative;
    box-shadow: 0 5px 15px #000000; 
    background-size: cover;
    display: inline-block;
    border-radius: 20px;
  }


  .item-6 {
    background-image: url('../assets/ 17025.jpg');
    width: 250px;
    height: 300px;
    position: relative;
    box-shadow: 0 5px 15px #000000; 
    background-size: cover;
    display: inline-block;
    border-radius: 20px;
  }


  .item-7 {
    background-image: url('../assets/ 22000.jpg');
    width: 250px;
    height: 300px;
    position: relative;
    box-shadow: 0 5px 15px #000000; 
    background-size: cover;
    display: inline-block;
    border-radius: 20px;
  }


  .item-8 {
    background-image: url('../assets/ 27001.jpg');
    width: 250px;
    height: 300px;
    position: relative;
    box-shadow: 0 5px 15px #000000; 
    background-size: cover;
    display: inline-block;
    border-radius: 20px;
  }


  .item-9 {
    background-image: url('../assets/ 29001.jpg');
    width: 250px;
    height: 300px;
    position: relative;
    box-shadow: 0 5px 15px #000000; 
    background-size: cover;
    display: inline-block;
    border-radius: 20px;
  }



  .item-10 {
    background-image: url('../assets/ 31000.jpg');
    width: 250px;
    height: 300px;
    position: relative;
    box-shadow: 0 5px 15px #000000; 
    background-size: cover;
    display: inline-block;
    border-radius: 20px;
  }



  .item-11 {
    background-image: url('../assets/ 39001.jpg');
    width: 250px;
    height: 300px;
    position: relative;
    box-shadow: 0 5px 15px #000000; 
    background-size: cover;
    display: inline-block;
    border-radius: 20px;
  }


  .item-12 {
    background-image: url('../assets/ 45001.jpg');
    width: 250px;
    height: 300px;
    position: relative;
    box-shadow: 0 5px 15px #000000; 
    background-size: cover;
    display: inline-block;
    border-radius: 20px;
  }


  .item-13 {
    background-image: url('../assets/ 50001.jpg');
    width: 250px;
    height: 300px;
    position: relative;
    box-shadow: 0 5px 15px #000000; 
    background-size: cover;
    display: inline-block;
    border-radius: 20px;
  }

  .item-14 {
    background-image: url('../assets/API.jpg');
    width: 250px;
    height: 300px;
    position: relative;
    box-shadow: 0 5px 15px #000000; 
    background-size: cover;
    display: inline-block;
    border-radius: 20px;
  }


  .item-15 {
    background-image: url('../assets/ 9100.jpg');
    width: 250px;
    height: 300px;
    position: relative;
    box-shadow: 0 5px 15px #000000; 
    background-size: cover;
    display: inline-block;
    border-radius: 20px;
  }


  .item-16 {
    background-image: url(./ISO-TS\ 22163\(IRIS\).jpg);
    width: 250px;
    height: 300px;
    position: relative;
    box-shadow: 0 5px 15px #000000;   
    background-size: cover;
    display: inline-block;
    border-radius: 20px;
  }






    
  



   
  
    /*выше все что к слайдеру*/

    /*подвал снизу*/
  
   
    footer{
      width: 100%;
      height: auto;
      background: rgb(0, 0, 0);
      box-shadow: 0 -10px 10px #ffffff;
      margin: 0 auto;
      text-align: center;
      padding-top: 30px;
      position: absolute;
      padding-bottom: 50px;
    }
  
  footer a{
    color:white;
    font-size: 20px;
    margin-left: 20px;
  }
  
  footer nav a:hover{
    border-bottom: 1px solid white;
  }
  
  .graficlogo{
      margin-top: 30px;
      margin-bottom: 0px;
      width:200px;
      height:200px;
      float:center;
      
  }
  .social img{
    margin-bottom: 20px;
    border-radius: 50%;
    height: 100px;
    width: 100px;
  }
  
  .social img:hover{
    border: 2px solid #ffffffe4;
  }