body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: radial-gradient(circle at top, #1a1a1a, #000);
  color: #cfd2d4;
}

header {
  background: linear-gradient(135deg, #000, #1a1a1a, #000);
  border-bottom: 2px solid #b30000;
}

.logo-wrap {
  text-align: center;
  padding: 18px 0 10px;
}

.logo-wrap img {
  max-width: 280px;
  filter: drop-shadow(0 0 14px rgba(179,0,0,0.35));
}

nav {
  text-align: center;
  padding-bottom: 14px;
}

nav a {
  color: #cfd2d4;
  text-decoration: none;
  margin: 0 14px;
  font-weight: bold;
}

nav a:hover {
  color: #fff;
}

.hero {
  text-align: center;
  padding: 60px 20px;
}

.hero img {
  max-width: 360px;
  border: 2px solid #cfd2d4;
  box-shadow: 0 0 30px rgba(179,0,0,0.6);
}

.verify-container {
  max-width: 520px;
  margin: 60px auto;
  background: linear-gradient(180deg, #111, #050505);
  padding: 40px;
  border-radius: 14px;
  border: 1px solid #444;
  text-align: center;
}

input, textarea {
  width: 100%;
  padding: 14px;
  margin-top: 14px;
  background: #000;
  color: #fff;
  border: 1px solid #555;
  border-radius: 6px;
}

button {
  width: 100%;
  margin-top: 20px;
  padding: 14px;
  background: linear-gradient(#d0161b, #8e0e12);
  border: none;
  color: #fff;
  font-weight: bold;
  cursor: pointer;
}

.card-result img {
  max-width: 280px;
  margin-top: 15px;
  border: 1px solid #cfd2d4;
}

.error {
  color: #ff4c4c;
  font-weight: bold;
}