.content {
  max-width: 700px;
  margin: 3rem auto;
  padding: 0 2rem;
}
h1 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}
.lead {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 3rem;
}
h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 2.5rem 0 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
h2:first-of-type { border-top: none; padding-top: 0; }
.step-num {
  display: inline-block;
  background: var(--accent);
  color: white;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  text-align: center;
  line-height: 28px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-right: 0.5rem;
}
p { margin-bottom: 1rem; }

/* Note callouts */
.note {
  background: rgba(0,113,227,0.04);
  border: 1px solid rgba(0,113,227,0.12);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}
.note:hover {
  border-color: rgba(0,113,227,0.2);
}
.note strong { color: var(--accent); }

ul {
  margin: 0.5rem 0 1.5rem 1.5rem;
  color: var(--text-secondary);
}
ul li { margin-bottom: 0.4rem; }

@media (max-width: 640px) {
  h1 { font-size: 1.6rem; }
  .content { margin: 2rem auto; }
}