body {
  font-family: 'Montserrat', sans-serif;
  margin: 0;
  background: #1a1c1f;
  color: #f6f6f6;
}
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #131416;
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
}
.logo {
  display: flex;
  align-items: center;
}
.logo img {
  width: 36px;
  height: 36px;
  margin-right: 10px;
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.12);
  image-rendering: pixelated;
  filter: invert(0.8);
}
.logo span {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: #ff9300;
}
.download-btn {
  background: #ff9300;
  color: #1a1c1f;
  padding: 0.6rem 1.2rem;
  border-radius: 30px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.2s;
}
.download-btn:hover, .cta-btn:hover {
  background: #ffb347;
  color: #1a1c1f;
}
header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem 2rem 2rem;
  background: linear-gradient(90deg, #ff9300 0%, #ffb347 100%);
  color: #1a1c1f;
}
.header-content {
  max-width: 500px;
}
header h1 {
  font-size: 2.5rem;
  margin: 0 0 1rem 0;
}
header p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
}
.cta-btn {
  background: #1a1c1f;
  color: #ff9300;
  padding: 0.8rem 2rem;
  border-radius: 30px;
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: bold;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: background 0.2s, color 0.2s;
}
.device-img {
  width: 260px;
  max-width: 90vw;
  margin-left: 2rem;
  border-radius: 30px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.18);
}
section {
  padding: 2.5rem 1rem 0 1rem;
  max-width: 820px;
  margin: auto;
}
section h2 {
  color: #ff9300;
  font-size: 2rem;
  margin-bottom: 1rem;
}
ul, ol {
  font-size: 1.15rem;
  line-height: 1.75;
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}
.download-link, .source-link {
  display: inline-block;
  margin: 0.5rem 0;
  font-weight: bold;
  color: #ff9300;
  text-decoration: none;
  border-bottom: 2px solid #ff9300;
  transition: color 0.2s;
}
.download-link:hover, .source-link:hover {
  color: #ffb347;
  border-color: #ffb347;
}
footer {
  text-align: center;
  padding: 2rem 1rem;
  color: #ff9300;
  background: #131416;
  margin-top: 2rem;
  font-size: 1rem;
}

@media (max-width: 700px) {
  header {
    flex-direction: column;
    text-align: center;
    padding: 2rem 1rem;
  }
  .device-img {
    margin: 2rem 0 0 0;
    width: 80vw;
  }
}