:root {
  --bg: #04121c;
  --text: #f2f4f8;
  --dim: #9aa3b2;
  --accent: #22d3ee;
  --card: rgba(255, 255, 255, 0.06);
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, system-ui, sans-serif;
  line-height: 1.5;
}
main {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px 48px;
}
.hero {
  text-align: center;
  padding: 56px 0 24px;
}
.icon {
  width: 96px;
  height: 96px;
  border-radius: 22px;
}
.brand {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 14px;
  margin: 16px 0 4px;
}
h1 {
  font-size: clamp(32px, 6vw, 52px);
  line-height: 1.1;
  margin: 0 0 12px;
}
.sub {
  color: var(--dim);
  font-size: 18px;
  margin: 0 0 24px;
}
.badge {
  display: inline-block;
}
.badge img {
  height: 54px;
  display: block;
}
.features {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
  padding: 24px 0;
}
.features article {
  background: var(--card);
  border-radius: 16px;
  padding: 20px;
}
.features h2 {
  font-size: 20px;
  margin: 0 0 8px;
}
.features p,
.free p {
  color: var(--dim);
  margin: 0;
}
.free {
  text-align: center;
  padding: 32px 0;
}
.free h2 {
  font-size: 28px;
  margin: 0 0 12px;
}
.free p {
  max-width: 520px;
  margin: 0 auto 24px;
}
footer {
  text-align: center;
  color: var(--dim);
  font-size: 14px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
footer a {
  color: var(--accent);
  text-decoration: none;
}
@media (min-width: 720px) {
  .features {
    grid-template-columns: repeat(3, 1fr);
  }
}