:root {
  --bg: #0d1117;
  --bg-elevated: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #d97706;
  --accent-hover: #f59e0b;
  --link: #58a6ff;
}

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

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

body {
  background-image:
    radial-gradient(ellipse at top, rgba(217, 119, 6, 0.08), transparent 50%),
    radial-gradient(ellipse at bottom, rgba(88, 166, 255, 0.05), transparent 50%);
}

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.hero {
  text-align: center;
  padding: 2rem 0 3rem;
}

.logo {
  width: 128px;
  height: 128px;
  object-fit: contain;
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 4px 16px rgba(217, 119, 6, 0.25));
}

h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #fff 0%, var(--accent-hover) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.tagline strong {
  color: var(--text);
}

.cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.btn {
  display: inline-block;
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  border: 1px solid transparent;
}

.btn:hover {
  transform: translateY(-2px);
}

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

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--text-muted);
}

.meta {
  color: var(--text-muted);
  font-size: 0.875rem;
}

section {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 1.5rem;
}

section h2 {
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  color: var(--text);
}

.features ul {
  list-style: none;
}

.features li {
  padding: 0.5rem 0 0.5rem 1.5rem;
  position: relative;
  color: var(--text-muted);
}

.features li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
}

.features li strong {
  color: var(--text);
}

.install ol {
  padding-left: 1.5rem;
  color: var(--text-muted);
}

.install li {
  padding: 0.4rem 0;
}

.install code {
  background: var(--bg);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--accent-hover);
}

footer {
  text-align: center;
  padding: 2rem 0 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

footer a:hover {
  text-decoration: underline;
}

@media (max-width: 600px) {
  h1 { font-size: 2.25rem; }
  .container { padding: 2rem 1rem; }
  section { padding: 1.5rem; }
}