/* style.css */

:root {
  --color-white: #fafafa;
  --color-black: #312f2c;
  --color-highlight: #3454d1;
  --max-width: 680px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--color-white);
  color: var(--color-black);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  font-size: 18px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

h1, h2, h3 {
  color: var(--color-black);
  line-height: 1.25;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.25rem;
  margin-top: 0;
}

h2 {
  font-size: 1.5rem;
  border-bottom: 1px solid rgba(49, 47, 44, 0.15);
  padding-bottom: 0.5rem;
  margin-top: 2.5rem;
}

h3 {
  font-size: 1.2rem;
}

p {
  margin-top: 0;
  margin-bottom: 1.5rem;
}

a {
  color: var(--color-highlight);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity 0.2s ease;
}

a:hover {
  opacity: 0.7;
}

ul {
  margin-top: 0;
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

footer {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 2.5rem 1.5rem;
  width: 100%;
  margin-top: auto;
}

footer p {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: left;
}

footer a {
  color: var(--color-white);
}