* {
  box-sizing: border-box;
}

body {
  padding: 0;
  margin: 0;
  font-family: "Lato", verdana, sans-serif;
  font-size: 17px;
  line-height: 1.5;
  color: #222;
  text-rendering: optimizeLegibility;
  font-weight: 400;
}

@media (max-device-width: 600px) {
  body {
    font-size: 19px;
  }
}

a {
  color: #789;
  text-decoration: none;
}

a:visited {
  color: #89A;
}

a:hover {
  color: #345;
}

a img {
  border: none;
}

header {
  padding: 2em 0;
  background-image: radial-gradient(#F8F8F8, #DDD);
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.1);
}

@media (max-device-width: 600px) {
  header {
    padding: 2em 1em;
  }
}

header > * {
  max-width: 600px;
  margin: 0 auto;
}

header h1 {
  font-weight: 700px;
  font-size: 48px;
  margin: 0px;
}

header .hello-image {
  float: right;
  margin-bottom: 1em;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

header .bio {
  clear: both;
}

header .large {
  font-size: 200%;
}

section {
  padding: 3em 0 2em 0;
  position: relative;
  overflow: hidden;
  background-image: url(noise.svg);
}

@media (max-device-width: 600px) {
  section {
    padding-top: 5em;
  }
}

section h2 {
  color: white;
  position: absolute;
  top: -40px;
  left: 0;
  padding: 0 0 0 8px;
  margin: 0;
  font-weight: bold;
  font-size: 80px;
  white-space: pre;
  text-transform: lowercase;
}

section ul {
  padding: 0;
  margin: 0;
}

section.tools {
  background-color: #464D53;
}

section.dataviz {
  background-color: #423635;
}

section.writing {
  background-color: #352E36;
}

section.speaking {
  background-color: #5c6d60;
}

.card {
  max-width: 600px;
  margin: 0 auto;
  margin-bottom: 20px;
  border: 1px solid #EEE;
  background: white;
  color: #444;
  box-shadow: 0px 8px 8px rgba(0, 0, 0, 0.3);
  padding: 8px 16px 32px;
  z-index: 99;
  position: relative;
  transform-origin: center;
  transition: transform 0.5s ease-in-out;
  transform: perspective(1000px) rotateX(0deg) translateZ(0);
}

@media (max-device-width: 600px) {
  .card {
    margin: 0 8px 20px 8px;
  }
}

li.card {
  list-style-type: none;
}

.card h3 {
  padding: 0 0 8px 0;
  margin: 0;
  border-bottom: 1px solid #EEE;
  font-size: 20px;
}

@media (max-device-width: 600px) {
  .card .description {
    display: block;
  }
}

.card img {
  display: block;
  margin: 8px 0;
  max-width: 100%;
}

.card p {
  padding: 16px 0 0;
  margin: 0;
}

ul.card {
  display: block;
}

ul.card li {
  margin-left: 20px;
  margin-bottom: 1em;
  display: block;
}

.card cite {
  display: block;
  font-size: 90%;
  font-style: normal;
}

.card .speech-links {
  text-transform: uppercase;
  text-align: right;
}

footer {
  text-align: center;
  padding: 1em 0 3em 0;
}

/* scroll effects */

.up .card,
.down .card {
  transition: transform 0.2s ease-in-out;
}

.up .card {
  transform: perspective(1000px) rotateX(-2deg) translateY(8px) translateZ(0);
}

.up.fast .card {
  transform: perspective(1000px) rotateX(-4deg) translateY(16px) translateZ(0);
}

.down .card {
  transform: perspective(1000px) rotateX(2deg) translateY(-8px) translateZ(0);
}

.down.fast .card {
  transform: perspective(1000px) rotateX(4deg) translateY(-16px) translateZ(0);
}