body {
  background: #0b0b0d;
  color: #e1e1e6;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  line-height: 1.6;
  padding: 40px 20px;
  max-width: 680px;
  margin: 0 auto;
}

h1 {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

h2 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-top: 32px;
  margin-bottom: 12px;
}

h3 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-top: 20px;
  margin-bottom: 6px;
}

p {
  color: #8e8e93;
  margin-bottom: 16px;
  font-size: 13px;
}

ul {
  margin-left: 20px;
  margin-bottom: 16px;
  color: #8e8e93;
  font-size: 13px;
}

li {
  margin-bottom: 8px;
}

a {
  color: #30d158;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

nav {
  margin-bottom: 40px;
  border-bottom: 1px solid #222227;
  padding-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: bold;
  color: #fff;
  font-size: 16px;
}

.logo span {
  color: #30d158;
}

.nav-links {
  display: flex;
  gap: 16px;
}

.nav-link {
  color: #8e8e93;
  font-size: 13px;
  font-weight: 600;
}

.nav-link.active, .nav-link:hover {
  color: #30d158;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}

.feature-item {
  border-bottom: 1px solid #222227;
  padding-bottom: 12px;
}

.feature-item:last-child {
  border-bottom: none;
}

.feature-title {
  font-weight: bold;
  color: #fff;
  font-size: 14px;
  margin-bottom: 4px;
}

.feature-desc {
  color: #8e8e93;
  font-size: 13px;
}

footer {
  margin-top: 60px;
  border-top: 1px solid #222227;
  padding-top: 20px;
  font-size: 11px;
  color: #8e8e93;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-link {
  color: #8e8e93;
}

.footer-link:hover {
  color: #30d158;
}