body {
  margin: 0;
  font-family: Arial,Helvetica,sans-serif;
  background: #f9f9f9;
}

header.hero {
  height: 60vh;
  background: #333;
  background-image: url('hero.jpg');
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

header.hero h1 {
  position: relative;
  z-index: 2;
}

section.form-section {
  header.hero {height: 40vh;}
  section.form-section {margin: 1rem auto; padding: 1rem; max-width: 90%;} }
  background: white;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  border-radius: 8px;
  padding: 2rem;
  margin: 2rem auto;
  max-width: 600px;
}

label {
  font-weight: 500;
  display: block;
  margin-top: 1rem;
}

input, select {
  width: 100%;
  padding: 0.5rem;
  margin-top: 0.25rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
  box-sizing: border-box;
}

button {
  background: #0066cc;
  color: white;
  border: none;
  border-radius: 4px;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  margin-top: 1rem;
  cursor: pointer;
}

button:hover {
  background: #005bb5;
}

#currentBidDisplay {
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
}
@media (max-width: 600px) {
  header.hero {height: 40vh;}
  section.form-section {margin: 1rem auto; padding: 1rem; max-width: 90%;}
}