/* reset & base */
* {
  margin: 0; padding: 0; box-sizing: border-box;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #fff;
  background: #121212;
  line-height: 1.6;
}

/* layout helpers */
.container {
  width: 90%;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 0;
}

/* hero */
.hero {
  text-align: center;
  padding: 4rem 0;
  background: #1f1f1f;
}
.logo {
  width: 100px;
  margin-bottom: 1rem;
}
.hero h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}
.tagline {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}
.btn {
  display: inline-block;
  background: #ff5722;
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  transition: background 0.2s;
}
.btn:hover {
  background: #e64a19;
}

/* features */
.features h2,
.demo h2,
.getting-started h2 {
  text-align: center;
  margin-bottom: 1rem;
}
.features ul {
  list-style: none;
}
.features li {
  margin: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}
.features li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: #ff5722;
}

/* demo screenshot */
.screenshot {
  width: 100%;
  border: 2px solid #333;
  border-radius: 4px;
  margin-top: 1rem;
}

/* getting-started */
.getting-started ol {
  margin-left: 1rem;
}
.getting-started li + li {
  margin-top: 0.5rem;
}
code {
  background: #2a2a2a;
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
  font-family: monospace;
}

/* footer */
.footer {
  background: #1f1f1f;
  text-align: center;
  padding: 2rem 0;
  font-size: 0.9rem;
}
.footer a {
  color: #ff5722;
  text-decoration: none;
}
.footer a:hover {
  text-decoration: underline;
}
.banner-divider {
  margin: 2rem 0;    /* space above & below */
  text-align: center;
}

.banner-divider img {
  max-width: 100%;   /* responsive */
  height: auto;
  display: inline-block;
  border-radius: 8px;      /* optional rounded corners */
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);  /* optional drop-shadow */
}