:root {
  --bg: #191919;
  --card: #0b0b0b;
  --muted: #9aa4b2;
  --accent: #64cda9;
  --glass: rgba(255, 255, 255, 0.03);
}

* {
  box-sizing: border-box
}

html {
  font-family: 'Roboto', system-ui, -apple-system, 'Segoe UI', 'Helvetica Neue', Arial
}

html,
body {
  height: 100%;
  margin: 0;
  background: var(--bg);
  color: #e6f0f6
}

.site-header {
  padding: 28px 20px 12px;
  text-align: center
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px
}

.logo {
  width: 48px;
  height: 48px;
  object-fit: contain
}

.site-header h1 {
  margin: 0;
  font-weight: 600;
  font-size: 20px
}

.subtitle {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  padding: 28px;
  max-width: 900px;
  margin: 18px auto
}

.card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
  box-shadow: 0 6px 18px rgba(2, 6, 23, 0.6);
  text-decoration: none;
  color: inherit;
  transition: transform .15s ease, box-shadow .15s ease
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(2, 6, 23, 0.7)
}

.card-icon {
  width: 64px;
  height: 64px;
  border-radius: 10px;
  background: var(--glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--accent);
  font-size: 28px
}

.card-body h2 {
  margin: 0 0 6px;
  font-size: 18px
}

.card-body p {
  margin: 0;
  color: var(--muted);
  font-size: 13px
}

.card-cta {
  margin-left: auto;
  color: var(--accent);
  font-weight: 600
}

.site-footer {
  text-align: center;
  color: var(--muted);
  padding: 18px 6px
}

@media (max-width:420px) {
  .brand h1 {
    font-size: 16px
  }

  .card {
    padding: 12px
  }

  .card-icon {
    width: 48px;
    height: 48px
  }
}