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

  
  html {
    -webkit-text-size-adjust: 100%;
    font-family: Poppins, sans-serif;
  }
  
  nav {
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    padding: 0 30px;
    background-color: #1b1b1b;
    transition: transform 0.2s ease; /* Smooth transition */ 
    z-index: 9999;
  }
  
  nav a img {
    display: block;
    width: 200px;
  }


nav .dainvi-logo {
  display: flex;
  flex-grow: 1;
  justify-content: left;
}

nav .dainvi-logo a img {
  width: 150px;
  display: block;
}

nav .desktop-menu {
  display: flex;
  flex-grow: 3;
  justify-content: center;
  float: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

nav .desktop-menu a,
nav .mobile-menu a {
  text-decoration: none;
  color: #fff;
  margin: 0 20px;
  transition: all 0.5s ease;
}

nav .desktop-menu a:hover,
nav .mobile-menu a:hover {
  color: #00ffff;
}

nav .app {
  display: flex;
  flex-grow: 1;
  justify-content: right;
}

nav a#login-btn {
  background-color: #00ffff;
  color: #1b1b1b;
  border: 1px solid #00ffff;
  border-radius: 5px;
  padding: 10px 0;
  width: 150px;
  text-align: center;
  text-decoration: none;
  transition: all 0.5s ease;
}

nav a#login-btn:hover {
  background-color: transparent;
  color: #fff;
}

#menu-toggle {
  display: none;
}

#hamburger-btn,
#close-btn {
  color: #00ffff;
  font-size: 30px;
  display: none;
  cursor: pointer;
}

nav .mobile-menu {
  display: none;
}

.nav--hidden {
  transform: translateY(calc(-1 * 90px));
}

@media (max-width: 1000px) {

  nav .desktop-menu,
  nav .app {
    display: none;
  }

  nav .mobile-menu {
    background-color: #111111;
    position: absolute;
    top: 90px;
    left: -100%;
    display: flex;
    flex-direction: column;
    width: 100%;
    padding: 20px;
    text-align: center;
    transition: all 0.5s ease-in;
  }

  nav a#login-btn {
    margin: 20px auto;
  }

  nav .mobile-menu a {
    margin: 20px 0;
  }

  #hamburger-btn {
    display: block;
  }

  #menu-toggle:checked~.mobile-menu {
    left: 0;
  }

  #menu-toggle:checked~label #hamburger-btn {
    display: none;
  }

  #menu-toggle:checked~label #close-btn {
    display: block;
  }
}


a:link{
  color:blue;
}
a:visited{
  color:blue;
}
a:hover{
  color:blue;
}
a:focus{
  color:blue;
}
a:active{
  color:blue;
}
a {text-decoration: none; }

footer {
    background-color: #212122;
    padding: 50px 0 15px 0;
}

.footer-container {
    max-width: 1350px;
    margin: auto;
}

.footer-container img {
    width: 200px;
}

.footer-row1 {
    display: flex;
    justify-content: left;
    margin-bottom: 30px;
}

.footer-col {
    padding: 0;
    line-height: 1.5;
    color: #fff;
    margin-right: 100px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li:not(:last-child) {
    margin-bottom: 10px;
}

.footer-col h4 {
    font-size: 22px;
    margin-bottom: 30px;
    position: relative;
}

.footer-col h4::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    background-color: #00ffff;
    height: 2px;
    box-sizing: border-box;
    width: 50px;
}

.footer-col ul li h6 {
    font-size: 15px;
}

.footer-col ul li p {
    font-size: 14px;
}


.footer-col .site-map li {
    display: block;
    font-size: 18px;
}

.footer-col .site-map li a {
    text-decoration: none;
    color: #fff;
    box-shadow: inset 0 0 0 0 #aeaeaec7;
    padding: 0 0.25rem;
    margin: 0 -0.25rem;
    transition: color 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.footer-col .site-map li a:hover {
    color: #000;
    box-shadow: inset 200px 0 0 0 #00ffff;
}

.footer-logo {
    width: 230px;
    margin-bottom: 3px;
}

@media (max-width: 1500px) {
    .footer-container {
        margin-left: 5%;
        margin-right: 5%;
    }
}

@media (max-width: 1200px) {
    .footer-row1 {
        display: flex;
        flex-wrap: wrap;
    }

    .footer-col {
        width: 100%;
        margin-bottom: 50px;
    }

    .footer-row2 {
        display: block;
    }
}