/* GLOBAL RESET */
* { box-sizing: border-box; }
body { margin: 0; }

/* GLOBAL COLORS */
body { color: rgba(0, 0, 0, 0.8); }
a { color: rgba(0, 102, 204, 1); }
a:hover { color: rgba(0, 51, 153, 1); }

/* GLOBAL TYPOGRAPHY */
body {
  font-family: Helvetica, Arial, sans-serif;
  font-size: 88.75%; /* 14px */
  line-height: 1.4;
}

/* RESPONSIVE IMAGES */
img {
    max-width: 100%;
    height: auto;
}

/* BUTTONS */
.button {
    display: inline-block;
    padding: 1em 2em;
    text-decoration: none;
    background-color: rgb(204, 139, 0);
    color: white;
    border-radius: 5px;
}
.button:hover {
    background-color: rgb(196, 88, 0);
    color: white;
}
.button.dark {
    color: white;
    color: rgba(0, 102, 204, 1);
    background-color: rgb(255, 0, 0);
}
.button.dark:hover {
    background-color: rgba(255, 255, 255,1);
}
.button.trans1:hover {
    transition:all 1s ease-in;
}
.button.trans2:hover {
    transition:all 0.4s ease-in;
}

* {
    animation: fadein 1s;
}

@keyframes fadein {
    0% {
        opacity: 0;
    }
    100% { 
        opacity: 1;
    }
}

/* SITE STRUCTURE */

header {
    background-color: rgba(0, 102, 204, 1);
    color: rgba(0, 0, 0, 0.8); 
    padding: 1em;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
}

header a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

header a:hover {
    color: rgba(255, 255, 255, 1);
}


/* SITE ID */
.site-id h1 {
    margin: 0;
}

/* SITE NAV */
.site-nav ul {
    display: flex;
    justify-content: flex-end;
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-nav  a {
    display: block;
    padding: 1em;
}

/* MAIN */
main {
    background: rgba(0,0,0,.05);
}

/* HERO SECTION */
.hero {
    background-color: rgba(0, 102, 204, 1);
    text-align: center;
    color: white;
    padding: 6em 1em;
}

.hero h2 {
    font-size: 3em;
    line-height: 1;
    text-transform: none;
    margin: 0 auto;
}

.hero p {
    max-width: 30em;
    margin: 1em auto;
}

/* COURSES SECTION */
.courses {
    padding: 6em 1em;
    display: grid;
    justify-content: center;
    text-align: center;
}

.courses ul {
    max-width: 400px;
    margin: 0 auto;
    padding: 0;
    list-style: none;
}

.courses img{
    display: block;
    margin-bottom: 1em;
}

/* FOOTER */
footer {
    border-top: 1px solid rgba(0,0,0,.05);
    padding: 1em;
}

/* SOCIAL NAV */
.social-nav ul {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    list-style: none;
}

.social-nav  a {
    display: block;
    padding: 1em;
}

/* LAYOUT */
.container {
    max-width: 1000px;
    margin: 0 auto;
}

section {
    padding: 3em 1em;
}

/* SIDEBAR/ASIDE */
aside {
    padding: 2em 0;
  }
  
@media (min-width: 768px) {
    .two-col-sidebar {
        display: grid;
        grid-template-columns: 20em auto;
    }
    .two-col-sidebar aside {
        border-right: 1px solid rgba(0, 0, 0, 0.1);
        margin: 0 3em 2em 0;
        padding: .3em 2em 0 0;
    }
}
/* Home Page Hero */
.page-home .hero {
    min-height: 100vh;
    display:flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
/* SUB PAGES */
.page-sub .hero {
    background-color:rgba(0, 0, 0, 0.1);
    color: rgba(0, 0, 0, 0.8);
}

/* COURSE PAGES WITH MULTIPLE PROJECT LISTS */
.coursework {
    padding: 3em 1em;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.coursework-subsection {
    margin: 2em;
}

/* CODE BLOCKS */

pre code {
    width: 100%;
    display: block;
    border: 1px solid #ddd;
    background-color: #fff;
    padding: 1em 3em;
    margin-bottom: 1em;
    line-height: 1.5;
  }

.markup-box {
    border: 1px solid #ddd;
    border-radius: 5px;
    background-color: #fff;
    padding: 1em 3em;
    margin-bottom: 1em;
}

/* DEFINITION LISTS */
dt {
    font-weight: bold;
    margin-top: 1em;
}
dd {
    margin: 0;
}

/* FOR DEV PURPOSES */
/* body * {
    background-color: rgba(0,0,0,.05) !important;
    border: 1px solid rgba(0,0,0,.1) !important;
    color: rgba(0,0,0,.5) !important;
} */


/* Page Fade In Animation */
@keyframes fadeanddropIn {
    0% {
      transform: translateY(-20px);
      opacity: 0; 
    }
    100% {
      transform: translateY(0px); 
      opacity: 1; 
    }
  }
  
  .fadeanddropIn * {
    animation: fadeanddropIn 2s ease-out forwards;
    opacity: 0;
  }
  
  .fadeanddropIn *:nth-child(1) { animation-delay: .25s;}
  .fadeanddropIn *:nth-child(2) { animation-delay: .5s;}
  .fadeanddropIn *:nth-child(3) { animation-delay: 1s;}