@import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic);

:root {
  color-scheme: light;
  --background: #00b4ff;
  --ink: #242424;
  --link: #6a572d;
  --paper: #fffdf2;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background: var(--background);
  font: 1.125rem/1.65 Lato, sans-serif;
}

.site-header,
main {
  width: min(100% - 2rem, 54rem);
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.25rem;
}

.brand,
.presentation-link {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.brand {
  font-size: 1.35rem;
}

article {
  margin-bottom: 3rem;
  padding: clamp(1.5rem, 5vw, 4rem);
  border-radius: 0.5rem;
  background: radial-gradient(circle at top, #fff 0%, var(--paper) 100%);
  box-shadow: 0 1rem 3rem rgb(0 62 88 / 20%);
}

h1,
h2 {
  margin-top: 0;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.5rem, 8vw, 5rem);
  text-transform: lowercase;
  text-shadow: 0 0.08em 0 #ccc, 0 0.13em 0 #aaa;
}

h2 {
  margin-top: 2.5rem;
  font-size: 1.75rem;
}

a {
  color: var(--link);
  text-underline-offset: 0.18em;
}

li + li {
  margin-top: 0.65rem;
}

@media (max-width: 36rem) {
  body {
    font-size: 1rem;
  }

  .presentation-link {
    font-size: 0.9rem;
  }
}