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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f8f4f4;
}

.main2-container {
    width: 90%;
    margin: auto;
    overflow: hidden;
}
#header {
    height: 72px;
    transition: all 0.5s;
    z-index: 997;
    transition: all 0.5s;
    background: #fff;
  }

  #header.header-scrolled {
    box-shadow: 0px 2px 15px rgba(0, 0, 0, 0.1);
  }

  #header .logo h1 {
    font-size: 28px;
    margin: 0;
    line-height: 0;
    font-weight: 600;
    letter-spacing: 1px;
    font-family: "Open Sans", sans-serif;
  }

  #header .logo h1 a,
  #header .logo h1 a:hover {
    color: #576971;
    text-decoration: none;
  }

  #header .logo img {
    padding: 0;
    margin: 0;
    max-height: 40px;
  }

/*--------------------------------------------------------------
# Navigation Menu
--------------------------------------------------------------*/
/**
* Desktop Navigation
*/
.navbar {
    padding: 0;
  }

  .navbar ul {
    margin: 0;
    padding: 0;
    display: flex;
    list-style: none;
    align-items: center;

  }
  @media (min-width: 992px) {
    #header .navbar ul {
      margin-right: 1rem;
    }
  }

  .Projec_btn1{
    background-color: white;
    border: 1px solid black;
    width: 80%;
    padding-left:1.9rem !important;
    text-align: center;
    /* color: white; */
  }
  .Projec_btn1:hover{
    background-color:white;
  }
  .Projec_btn2{
    background-color: #537191;
    /* color: white; */
    width: 80%;
    padding-left:1.9rem !important;
  }
  .Projec_btn2:hover{
    background-color:#537191 ;
  }
  .navbar li {
    position: relative;
  }

  /* Styles for the navigation buttons */
  .btn-nav {
    display: inline-block;
    /* padding: 18px 16px; */
    /* padding-left: 42px; */
    /* margin-left: rem; */
    /* background-color: #e1e6ec; Adjust color as needed */
    color: white;
    border-radius: 5px;
    text-align: left;
    text-decoration: none;
    transition: background-color 0.3s ease;
  }

  .btn-nav:hover {
    /* background-color: #0056b3; Adjust color as needed */
  }

  /* Media query for adjusting styles on smaller screens if needed */
  @media (max-width: 768px) {
    .btn-nav {
      margin-left: 0;
      margin-top: 10px;
      display: block;
    }
  }

  .navbar a,
  .navbar a:focus {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px 10px 35px;
    font-size: 15px;
    font-family: "Poppins", sans-serif;
    color:black;
    white-space: nowrap;
    transition: 0.3s;
  }

  .navbar a i,
  .navbar a:focus i {
    font-size: 12px;
    line-height: 0;
    margin-left: 5px;
  }

  .navbar a:hover,
  .navbar .active,
  .navbar .active:focus,
  .navbar li:hover>a {
    color: #009cea;
  }

  .navbar .dropdown ul {
    display: block;
    position: absolute;
    left: 10px;
    top: calc(100% + 30px);
    margin: 0;
    padding: 10px 0;
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    background: #fff;
    box-shadow: 0px 0px 30px rgba(127, 137, 161, 0.25);
    transition: 0.3s;
  }

  .navbar .dropdown ul li {
    min-width: 200px;
  }

  .navbar .dropdown ul a {
    padding: 10px 20px;
    font-size: 14px;
    color: #003651;
  }

  .navbar .dropdown ul a i {
    font-size: 12px;
  }

  .navbar .dropdown ul a:hover,
  .navbar .dropdown ul .active:hover,
  .navbar .dropdown ul li:hover>a {
    color: #009cea;
  }

  .navbar .dropdown:hover>ul {
    opacity: 1;
    top: 100%;
    visibility: visible;
  }

  .navbar .dropdown .dropdown ul {
    top: 0;
    left: calc(100% - 30px);
    visibility: hidden;
  }

  .navbar .dropdown .dropdown:hover>ul {
    opacity: 1;
    top: 0;
    left: 100%;
    visibility: visible;
  }

  @media (max-width: 1366px) {
    .navbar .dropdown .dropdown ul {
      left: -90%;
    }

    .navbar .dropdown .dropdown:hover>ul {
      left: -100%;
    }
  }

  /**
  * Mobile Navigation
  */
  .mobile-nav-toggle {
    color: #364146;
    font-size: 28px;
    cursor: pointer;
    display: none;
    line-height: 0;

    transition: 0.5s;
  }

  .mobile-nav-toggle.bi-x {
    color: #fff;
  }

  @media (max-width: 991px) {
    .mobile-nav-toggle {
      display: block;
    }

    .navbar ul {
      display: none;
    }
  }

  .navbar-mobile {
    position: fixed;
    overflow: hidden;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0;
    background: rgba(8, 8, 8, 0.9);
    transition: 0.3s;
    z-index: 999;
  }

  .navbar-mobile .mobile-nav-toggle {
    position: absolute;
    top: 15px;
    right: 15px;
  }

  .navbar-mobile ul {
    display: block;
    position: absolute;
    top: 55px;
    right: 15px;
    bottom: 15px;
    left: 15px;
    padding: 10px 0;
    background-color: #fff;
    overflow-y: auto;
    transition: 0.3s;
  }

  .navbar-mobile a,
  .navbar-mobile a:focus {
    padding: 10px 20px;
    font-size: 15px;
    color: #364146;
  }

  .navbar-mobile a:hover,
  .navbar-mobile .active,
  .navbar-mobile li:hover>a {
    color: #009cea;
  }

  .navbar-mobile .getstarted,
  .navbar-mobile .getstarted:focus {
    margin: 15px;
  }

  .navbar-mobile .dropdown ul {
    position: static;
    display: none;
    margin: 10px 20px;
    padding: 10px 0;
    z-index: 99;
    opacity: 1;
    visibility: visible;
    background: #fff;
    box-shadow: 0px 0px 30px rgba(127, 137, 161, 0.25);
  }

  .navbar-mobile .dropdown ul li {
    min-width: 200px;
  }

  .navbar-mobile .dropdown ul a {
    padding: 10px 20px;
  }

  .navbar-mobile .dropdown ul a i {
    font-size: 12px;
  }

  .navbar-mobile .dropdown ul a:hover,
  .navbar-mobile .dropdown ul .active:hover,
  .navbar-mobile .dropdown ul li:hover>a {
    color: #009cea;
  }

  .navbar-mobile .dropdown>.dropdown-active {
    display: block;
  }


.banner {
    position: relative;
    margin-top: 20px;
}

.banner img {
    width: 100%;
    height: auto;
}

.banner-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 3em;
    font-weight: bold;
}

.materials-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 20px 0;
}
/* Ensure links are styled as blocks to cover the whole material item */
.materials-grid a {
    display: block;
    color: inherit; /* Inherit color from parent to keep text color consistent */
    text-decoration: none; /* Remove underline from links */
}

.material-item {
    position: relative;
}

.material-item img {
    width: 100%;
    height: auto;
    display: block;
}

.material-item .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    text-align: center;
    padding: 10px 0;
    font-size: 1.2em;
    display: none;
}

.material-item:hover .overlay {
    display: block;
}

@media (max-width: 1024px) {
    .materials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    header .main2-container{
        flex-direction: column;
        align-items: center;
    }

    header nav ul {
        padding-top: 10px;
    }

    header nav ul li {
        display: block;
        padding: 5px 0;
    }

    .banner-text {
        font-size: 2em;
    }

    .materials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .materials-grid {
        grid-template-columns: 1fr;
    }
}