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

/* ------ Theme  ------ */
:root {
  --accent: hsl(243, 100%, 55%);
  --accent-dark: hsl(243, 80%, 35%);
  --accent-light: hsl(243, 100%, 90%);
}

/* ------ Base styles ------ */
body {
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  background-color: hsl(0, 0%, 96%);
  color: hsl(0, 0%, 20%);
  padding: 20px;
}

/* ---------- Header ---------- */
header{
  text-align: center;
  padding-bottom: 1rem;
}
header h1{
  font-size: 2.2rem;
  margin-bottom: 0.25rem;
  color: var(--accent);
}
header h3{
  font-weight: normal;
  color: hsl(0, 0%, 40%);
}
header hr{
  border: none;
  height: 3px;
  width: 60px;
  margin: 0.5rem auto 0;
  background: var(--accent-dark);   
  border-radius: 2px;
}

/* ------ Sections ------ */
main section{
  background: white;
  padding: 1rem 1.5rem;
  margin: 1rem auto;
  max-width: 700px;
  border-radius: 8px;
  box-shadow: 0 2px 4px hsla(0, 0%, 0%, 0.05);
}
main h2{
  margin-bottom: 0.5rem;
  color: hsl(0, 0%, 27%);
}

/* ------ Lists ------ */
ul{
  list-style-type: disc;
  padding-left: 1.5rem;
}
dl{
  padding-left: 1.0rem;
  margin: 0;
}
dt{
  position: relative;
  padding-left: 1.2rem;
  margin-bottom: 0rem;
}
dt::before{
  content: "•";
  position: absolute;
  left: 0;
  font-size: 1.3rem;
  line-height: 1.24;
  color: var(--accent-dark);
}
dd{
  margin: 0 0 0.5rem 2.8rem;
  margin-left: 2.2rem;
}

/* ------ Links ------ */
a{
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover{
  text-decoration: underline;
  color: var(--accent-dark);
}

/* ------ Contact list ------ */

.contact ul {
  display: flex;
  gap: 1rem;
  justify-content: center;
  list-style: none;
  padding-left: 0;
}