:root {
  --bg: #1b1d23;
  --surface: #23262e;
  --track: #3a3f4b;
  --text: #f2f2f2;
  --muted: #b8bcc6;
  --accent: #e4572e;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 16px 64px;
}

a {
  color: var(--text);
  text-decoration-color: var(--accent);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent);
}

h1 {
  font-size: 40px;
  line-height: 1.15;
  margin: 0 0 8px;
}

h2 {
  font-size: 22px;
  margin: 40px 0 8px;
}

p,
ul {
  margin: 0 0 16px;
}

ul {
  padding-left: 22px;
}

.muted {
  color: var(--muted);
}

.hero {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.hero img {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  flex-shrink: 0;
}

.banner {
  width: 100%;
  height: auto;
  border-radius: 12px;
  display: block;
  margin: 8px 0 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--track);
  border-radius: 12px;
  padding: 20px;
  margin: 24px 0;
}

.card p:last-child {
  margin-bottom: 0;
}

footer {
  border-top: 1px solid var(--track);
  margin-top: 48px;
  padding-top: 16px;
  font-size: 15px;
}

footer a {
  margin-right: 16px;
}

@media (max-width: 480px) {
  h1 {
    font-size: 32px;
  }

  .hero img {
    width: 72px;
    height: 72px;
    border-radius: 16px;
  }
}