:root {
  --bg: #0a0a0c;
  --bg-raised: #131316;
  --border: #232328;
  --text: #f2f2f3;
  --text-muted: #9a9aa2;
  --accent: #f2f2f3;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.site-header {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem 0;
}

.wordmark {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.hero {
  padding: 7rem 0 5rem;
  border-bottom: 1px solid var(--border);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.tagline {
  margin: 1rem 0 0;
  font-size: clamp(1.1rem, 2.5vw, 1.375rem);
  color: var(--text-muted);
  font-weight: 500;
}

.positioning {
  margin: 1.75rem 0 0;
  max-width: 42rem;
  font-size: 1.05rem;
  color: var(--text-muted);
}

.products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  padding: 4rem 0;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.75rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.card:hover,
.card:focus-visible {
  border-color: #3a3a42;
  transform: translateY(-2px);
}

.card h2 {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 500;
}

.card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  flex-grow: 1;
}

.card-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.site-footer {
  max-width: 960px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3rem;
  border-top: 1px solid var(--border);
}

.site-footer p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

@media (max-width: 720px) {
  .products {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 4.5rem 0 3rem;
  }
}
