* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #0b1120;
  color: #edf3ff;
  font: 17px/1.75 system-ui, sans-serif;
}

header,
main,
footer {
  width: min(100% - 36px, 960px);
  margin: auto;
}

header {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

a {
  color: #80f0d7;
  text-underline-offset: 4px;
  overflow-wrap: anywhere;
}

a:focus-visible {
  outline: 3px solid #80f0d7;
  outline-offset: 5px;
}

main {
  max-width: 760px;
  padding: 30px 0 60px;
  min-height: 60vh;
}

h1,
h2 {
  line-height: 1.25;
}

h1 {
  font-size: clamp(34px, 7vw, 54px);
  letter-spacing: -1px;
}

h2 {
  margin-top: 32px;
  font-size: 24px;
}

.intro {
  color: #c8d5ea;
  font-size: 20px;
}

.date {
  color: #a9bbd4;
  font-size: 14px;
}

li {
  margin: 10px 0;
}

.button {
  display: inline-block;
  padding: 12px 20px;
  background: #80f0d7;
  color: #0b1120;
  border-radius: 10px;
  font-weight: 700;
  text-decoration: none;
}

footer {
  border-top: 1px solid #344155;
  padding: 24px 0;
  color: #a9bbd4;
}