:root {
  --bg: #fbf9f8;
  --surface: #ffffff;
  --surface-2: #171d1c;
  --border: #e7e3e1;
  --fg: #17191b;
  --muted: #6b7270;
  --gradient-from: #ff6ec7;
  --gradient-to: #ffa500;
  --font-sans: "Roboto", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  line-height: 1.6;
}

a { color: inherit; }

h1, h2, h3 { font-weight: 100; }

code, pre {
  font-family: var(--font-mono);
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(251, 249, 248, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wordmark {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.02em;
  background: linear-gradient(90deg, var(--gradient-from), var(--gradient-to));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav nav a {
  margin-left: 24px;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
}

.nav nav a:hover { color: var(--fg); }

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero {
  text-align: center;
  padding: 72px 0 48px;
}

.ascii-logo {
  display: inline-block;
  font-family: Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.85rem;
  font-variant-ligatures: none;
  line-height: 1.3;
  margin: 0 0 32px;
  text-align: left;
  background: linear-gradient(90deg, var(--gradient-from), var(--gradient-to));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  white-space: pre;
  overflow-x: auto;
}

.hero h1 {
  font-size: 2.25rem;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

.hero p {
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 32px;
  font-size: 1.05rem;
}

.cta-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.install {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 0.95rem;
}

.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 8px;
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--fg);
  font-size: 0.95rem;
}

.btn:hover {
  border-color: var(--gradient-to);
}

.demo {
  padding: 24px 0 56px;
  text-align: center;
}

#demo-player {
  border-radius: 10px;
  border: 1px solid var(--border);
  overflow: hidden;
}

.caption {
  color: var(--muted);
  font-size: 0.9rem;
  max-width: 640px;
  margin: 16px auto 0;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.feature {
  background:
    radial-gradient(ellipse 140% 100% at 50% -20%, rgb(255 110 199 / 5%), transparent 60%),
    radial-gradient(ellipse 140% 100% at 50% -20%, rgb(255 165 0 / 4%), transparent 70%),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 1px 2px rgba(23, 25, 27, 0.04);
  transition: border-color 0.15s ease;
}

.feature:hover {
  border-color: var(--gradient-from);
}

.feature h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.agents {
  padding: 56px 0;
  border-top: 1px solid var(--border);
}

.agents h2, .config h2, .get-going h2 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.get-going {
  padding: 0 0 64px;
  border-top: 1px solid var(--border);
  padding-top: 56px;
}

.get-going p {
  color: var(--muted);
}

.get-going pre {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  overflow-x: auto;
  font-size: 0.85rem;
  color: #cbe5d6;
}

.agents p {
  color: var(--muted);
}

.agents ul {
  color: var(--muted);
  padding-left: 20px;
}

.agents li {
  margin-bottom: 10px;
}

.config {
  padding: 0 0 64px;
  border-top: 1px solid var(--border);
  padding-top: 56px;
}

.config pre {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  overflow-x: auto;
  font-size: 0.85rem;
  color: #cbe5d6;
}

footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 32px 24px;
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 720px) {
  .features { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.6rem; }
  .ascii-logo { font-size: 0.5rem; }
}