:root {
  --bg: #0f172a;
  --surface: #1e293b;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --accent: #facc15;
  --accent-dark: #ca8a04;
  --link: #7dd3fc;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Montserrat, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

header {
  border-bottom: 1px solid #334155;
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.logo {
  font-weight: 800;
  color: var(--accent);
  text-decoration: none;
  font-size: 1.1rem;
}

.logo span {
  color: var(--text);
}

h1 {
  font-size: 1.75rem;
  line-height: 1.25;
  margin: 0 0 0.75rem;
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
}

h2 {
  font-size: 1.2rem;
  margin: 2rem 0 0.75rem;
  color: var(--accent);
}

p,
li {
  margin: 0 0 0.85rem;
}

ul {
  padding-left: 1.25rem;
}

a {
  color: var(--link);
}

.btn {
  display: inline-block;
  margin: 0.5rem 0.75rem 0.5rem 0;
  padding: 0.65rem 1.1rem;
  background: var(--accent);
  color: #0f172a;
  font-weight: 700;
  text-decoration: none;
  border-radius: 6px;
}

.btn:hover {
  background: var(--accent-dark);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  border: 1px solid #475569;
  color: var(--text);
}

.courses {
  background: var(--surface);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 2rem 0;
}

.courses h2 {
  margin-top: 0;
}

.courses ul {
  margin: 0;
  list-style: none;
  padding: 0;
}

.courses li {
  margin: 0.5rem 0;
}

.disclaimer {
  font-size: 0.9rem;
  color: var(--muted);
  border-left: 3px solid #475569;
  padding-left: 1rem;
  margin-top: 2rem;
}

footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid #334155;
  font-size: 0.85rem;
  color: var(--muted);
}

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