:root {
  --bg: #0b0e14;
  --bg-raised: #141925;
  --border: #232a3a;
  --text: #e6e9ef;
  --text-dim: #97a0b3;
  --accent: #4ade80;
  --accent-dim: #1f6f43;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Monaco, Consolas, monospace;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Hero */
.hero {
  text-align: center;
  padding: 96px 0 48px;
}

.wordmark {
  font-size: 64px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.tagline {
  font-size: 24px;
  font-weight: 600;
  margin-top: 16px;
}

.subtitle {
  font-size: 17px;
  color: var(--text-dim);
  margin-top: 8px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* Install command */
.install {
  display: inline-flex;
  align-items: stretch;
  margin-top: 32px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  max-width: 100%;
}

.install code {
  font-family: var(--mono);
  font-size: 15px;
  padding: 12px 16px;
  color: var(--text);
  white-space: nowrap;
  overflow-x: auto;
}

#copy-btn {
  border: 0;
  border-left: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  font: inherit;
  font-size: 14px;
  padding: 0 16px;
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
}

#copy-btn:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

#copy-btn.copied {
  color: var(--accent);
}

/* CTA buttons */
.cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 24px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  transition: transform 0.05s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn-icon {
  flex-shrink: 0;
}

.btn:hover {
  text-decoration: none;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--accent);
  color: #06210f;
}

.btn-primary:hover {
  background: #5ee98c;
}

.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--text-dim);
}

.reqs {
  margin-top: 28px;
  font-size: 14px;
  color: var(--text-dim);
}

/* Demo */
.demo {
  margin: 24px 0 72px;
  text-align: center;
}

.demo img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  padding-bottom: 72px;
}

.feature {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
}

.feature h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.feature p {
  font-size: 14px;
  color: var(--text-dim);
}

/* Footer */
.footer {
  text-align: center;
  padding: 32px 0 64px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 14px;
}

.footer .copyright {
  margin-top: 6px;
  font-size: 13px;
}

@media (max-width: 560px) {
  .hero {
    padding-top: 64px;
  }
  .wordmark {
    font-size: 48px;
  }
  .tagline {
    font-size: 20px;
  }
}