/* -------------------------
   Base / Reset
-------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  background-color: #0f172a; /* dark slate */
  color: #e5e7eb; /* light gray */
}

/* -------------------------
   Layout
-------------------------- */

header {
  padding: 4rem 2rem;
  text-align: center;
}

main {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
}

section {
  margin-bottom: 3rem;
  text-align: center;
}

footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.875rem;
  color: #94a3b8;
}

/* -------------------------
   Typography
-------------------------- */

h1 {
  margin: 0;
  font-size: 2.5rem;
}

h2 {
  margin-bottom: 0.75rem;
  font-size: 1.5rem;
}

p {
  margin: 0.5rem 0 0;
}

/* -------------------------
   Links
-------------------------- */

a {
  color: #38bdf8;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* -------------------------
   Lists
-------------------------- */

ul {
  padding-left: 1.25rem;
}

li {
  margin-bottom: 0.5rem;
}