/**************************/
/* HEADER */
/**************************/

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #e7f5e9;

  /* Because we want header to be sticky later */
  height: 9.6rem;
  padding: 0 4.8rem;
  position: relative;
}

/**************************/
/* NAVIGATION */
/**************************/

.main-nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 4.8rem;
}

.main-nav-link:link,
.main-nav-link:visited {
  display: inline-block;
  text-decoration: none;
  color: #333;
  font-weight: 500;
  font-size: 1.8rem;
  transition: all 0.3s;
}

.main-nav-link:hover,
.main-nav-link:active {
  color: #cf711f;
}

.main-nav-link.nav-cta:link,
.main-nav-link.nav-cta:visited {
  padding: 1.2rem 2.4rem;
  border-radius: 9px;
  color: #fff;
  background-color: #e67e22;
}

.main-nav-link.nav-cta:hover,
.main-nav-link.nav-cta:active {
  background-color: #cf711f;
}

/****************/
/* PUBLICATION TITLE SECTION */
/****************/
.section-publication-title {
  padding: 1.6rem 0 3.2rem 0;
}

.heading-primary {
  font-size: 6.2rem;
  font-weight: 600;
  color: #343a40;
  padding-left: 2.4rem;
  padding-bottom: 3.2rem;
}

.heading-primary div {
  vertical-align: middle;
}

.research-description {
  font-size: 2rem;
  line-height: 1.6;
  margin-bottom: 4.8rem;
}

.research-text-box {
  padding: 2.4rem 4.8rem 2.4rem 4.8rem;
}

/******************/
/* MY PUBLICATIONS */
/******************/
.publication-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 3.2rem 9.6rem 9.6rem 9.6rem;
}

.publication {
  font-size: 1.8rem;
  line-height: 1.5;
}