body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  background: #121212;
  color: #eee;
}
.hero {
  text-align: center;
  padding: 4rem 1rem;
  background: linear-gradient(135deg, #0f0f0f, #1c1c1c);
}
.hero h1 {
  font-size: 3rem;
  margin: 0;
  color: #ffd700;
}
.hero p {
  font-size: 1.2rem;
  margin: .5rem 0 1.5rem;
}
.hero .cta {
  padding: 1rem 2rem;
  background: #ffd700;
  color: #000;
  text-decoration: none;
  font-weight: bold;
  border-radius: 4px;
  transition: background .3s;
}
.hero .cta:hover {
  background: #e6c200;
}
.sell-copy {
  max-width: 700px;
  margin: 2rem auto;
  padding: 0 1rem;
}
.sell-copy ul {
  list-style: inside disc;
}
.form-section {
  max-width: 500px;
  margin: 3rem auto;
  padding: 2rem;
  background: #1e1e1e;
  border-radius: 8px;
}
form label {
  display: block;
  margin-bottom: 1rem;
}
.hidden {
  display: none;
}
form input {
  width: 100%;
  padding: .7rem;
  border: none;
  border-radius: 4px;
  margin-top: .3rem;
}
button[type="submit"] {
  background: #ffd700;
  color: #000;
  padding: .9rem 2rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: bold;
  margin-top: 1rem;
}
button:hover {
  background: #e6c200;
}
footer {
  text-align: center;
  padding: 1rem;
  background: #0a0a0a;
  font-size: 0.9rem;
}
footer a {
  color: #ffd700;
  text-decoration: none;
}