body {
  font-family: system-ui, sans-serif;
  line-height: 1.6;
  color: #111;
  background: #fff;
  margin: 0;
  padding: 0;
}
section {
  max-width: 800px;
  margin: 80px auto;
  padding: 0 20px;
}
h1, h2 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.6em;
}
h1 {
  font-size: 2.4rem;
  text-transform: uppercase;
}
h2 {
  font-size: 1.6rem;
  margin-top: 2em;
}
p, li {
  font-size: 1.05rem;
  margin-bottom: 0.8em;
}
ul {
  padding-left: 1.2em;
}
.buttons a {
  display: inline-block;
  padding: 10px 20px;
  margin: 6px 8px 0 0;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
}
.primary { background:#000; color:#fff; }
.secondary { background:#eee; color:#000; }
.columns {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.columns div {
  flex: 1 1 220px;
  background: #f8f8f8;
  padding: 15px;
  border-radius: 8px;
}
.usecases div {
  background:#f8f8f8;
  padding:12px 16px;
  border-radius:6px;
  margin-bottom:10px;
}
small { display:block; margin-top:10px; color:#555; }
.channels {
  margin-top:14px;
  display:flex;
  gap:14px;
  font-size:0.95rem;
}
.channels a {
  text-decoration:none;
  color:#111;
  opacity:0.7;
}
.channels a:hover { opacity:1; }