:root {
  --accent: #3B82F6;
  --bg: #0f0f0f;
  --surface: #1a1a1a;
  --text: #e5e5e5;
  --text-muted: #a3a3a3;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

header a { color: var(--text); text-decoration: none; }
.logo { font-weight: 700; font-size: 1.2rem; }

.hero {
  text-align: center;
  padding: 4rem 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.hero .icon { font-size: 3rem; display: block; margin-bottom: 1rem; }
.hero h1 { font-size: 2.5rem; color: var(--accent); margin-bottom: 0.5rem; }
.hero .tagline { font-size: 1.3rem; color: var(--text-muted); margin-bottom: 1rem; }
.hero .description { color: var(--text-muted); margin-bottom: 2rem; }

.cta {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.8rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: opacity 0.2s;
}

.cta:hover { opacity: 0.9; }

section { padding: 3rem 2rem; max-width: 1000px; margin: 0 auto; }
section h2 { font-size: 1.5rem; margin-bottom: 1.5rem; text-align: center; }

.use-cases ul { list-style: none; max-width: 600px; margin: 0 auto; }
.use-cases li { padding: 0.5rem 0; border-bottom: 1px solid #333; }
.use-cases li::before { content: "→ "; color: var(--accent); }

.dept-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.dept-card {
  background: var(--surface);
  padding: 1rem;
  border-radius: 8px;
  text-align: center;
  border: 1px solid var(--accent);
  text-transform: capitalize;
}

.note { text-align: center; color: var(--text-muted); font-size: 0.9rem; }

.cmd-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.cmd-list code {
  background: var(--surface);
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
  font-size: 0.85rem;
  border: 1px solid #333;
}

.tier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.tier-card {
  background: var(--surface);
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  border: 1px solid #333;
}

.tier-card h3 { color: var(--accent); margin-bottom: 0.5rem; }
.tier-card .price { font-size: 2rem; font-weight: 700; margin-bottom: 0.5rem; }
.tier-card a {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.5rem 1.5rem;
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  text-decoration: none;
}

.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem;
}

.tenant-link {
  display: block;
  background: var(--surface);
  padding: 1.5rem;
  border-radius: 8px;
  border-left: 4px solid;
  color: var(--text);
  text-decoration: none;
  transition: transform 0.2s;
}

.tenant-link:hover { transform: translateY(-2px); }
.tenant-link small { color: var(--text-muted); }

footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  border-top: 1px solid #333;
  margin-top: 2rem;
}