*{
  margin: 0;
  padding: 0;
  font-family: 'PT Sans', sans-serif;
}

html{
  scroll-behavior: smooth;
}

.header {
  min-height: 100vh;
  width: 100%;
  background-image: linear-gradient(
    rgba(80,94,99,0.8),
    rgba(0,0,0,0.83)),
    url("../images/NAU_biketrail.jpg");
  background-position: center;
  background-size: cover;
  position: relative;
}


        /*----- Navigation -----*/

nav{
  display: flex;
  padding: 0.5% 6%;
  justify-content: space-between;
  align-items: center;
  background-color: #000000a3;
  border: 1px ridge black;
}

  nav img{
    width: 160px;
    border: 2px solid #e1e1e1;
  }

  .nav-links{
    flex: 1;
    text-align: right;
  }

    .nav-links ul li{
      list-style: none;
      display: inline-block;
      padding: 0px 45px;
      position: relative;
    }

    .nav-links ul li a{
      color: #fff;
      text-decoration: none;
      font-size: 24px;
    }

    .nav-links ul li::after{
      content: '';
      width: 0%;
      height: 2px;
      background: #ffff;
      display: block;
      margin: auto;
      transition: 0.5s;
    }

    .nav-links ul li:hover::after{
      width: 100%;
    }


    /*  Introduction  */


.text-box{
  width: 75%;
  color: #fff;
  position: absolute;
  top: 60%;
  left: 50%;
  transform: translate(-50%,-50%);
  text-align: center;
  }

.text-box h1{
  font-size: 56px;
  }

.text-box p{
  margin: 10px 0 40px;
  font-size: 18px;
  text-shadow: -0.5px 0 black, 0 .5px black, .5px 0 black, 0 -.8x black;
  color: #fff;
  line-height: 165%;
  }



.divider{
  margin: 7% auto 7% auto;
  width: 70%;
}


  /*----- Gantt Chart -----*/

.gantt{
  width: 80%;
  margin: 10% auto;
  padding-top: 0;
}

  .gantt h1{
    font-size: 36px;
    font-weight: 550;
    line-height: 175%;
    text-align: center;
  }

  .gantt img{
    width: 90%;
    margin-left: 5%;
    margin-top: 5%;
  }

.updates{
  padding: 1% 5% 5% 5%;
}
  .updates h2{
    font-size: 18px;
    font-style: italic;
    /*text-decoration: underline;*/
    color: rgba(0,0,0,0.47);
    font-weight: bold;
    line-height: 37px;
    text-align: left;
    padding-top: 4%;
  }

  .updates p{
    font-size: 18px;
    font-weight: 300;
    line-height: 37px;
    text-align: left;
  }


/* Files */

a:link{
  color: black;
  text-decoration: none;
  font-size: 29px;
  padding-right: -10%;
}

a:hover{
  text-decoration: underline;
}

.files{
  padding: 1% 5% 5% 5%;
}

  .files img{
    margin: 0% 2% 0% 10%;
    float: left;
  }

  .files h2{
    float: none;
    font-size: 25px;
    margin: 0% 60% 0% 5%;
  }

  .files p{
    margin: 1% 10% 10% 2%;
  }





  /*----- Footer -----*/

.footer{
  height: 130px;
  background: rgb(18,18,25);
  background: linear-gradient(90deg, rgba(18,18,25,1) 0%, rgba(19,32,42,1) 35%, rgba(4,58,69,1) 100%);
  }
.footer p{
  position: relative;
  top: 30px;
  font-size: 18px;
  color: #ffff;
  text-align: center;
  line-height: 180%;
  }

.footer hr{
  border-style: 6px groove;
  color: grey;
  }