* {
  box-sizing: border-box;
  font-family: Inter, Arial, sans-serif;
}

body {
  margin: 0;
  background: radial-gradient(circle at top, #1a0f05, #050505);
  color: white;
}

.topbar {
  display: flex;
  justify-content: space-between;
  padding: 18px 40px;
  background: rgba(0,0,0,0.6);
}

.logo {
  color: #ff8c1a;
  font-weight: 700;
  font-size: 20px;
}

.topbar nav a {
  margin-left: 24px;
  color: #ddd;
  text-decoration: none;
}

.container {
  display: flex;
  justify-content: center;
  margin-top: 80px;
}

.card {
  display: flex;
  background: rgba(10,10,10,0.85);
  border-radius: 14px;
  width: 900px;
  box-shadow: 0 0 80px rgba(255,140,26,0.15);
}

.preview {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #444;
}

.shop {
  flex: 1;
  padding: 40px;
}

.shop h1 {
  margin: 0;
}

.subtitle {
  color: #aaa;
  margin-bottom: 24px;
}

.plans {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.plan {
  padding: 14px 18px;
  border-radius: 10px;
  background: #111;
  display: flex;
  justify-content: space-between;
  cursor: pointer;
  border: 1px solid #1c1c1c;
}

.plan:hover {
  border-color: #ff8c1a;
}

.plan.active {
  border-color: #ff8c1a;
  box-shadow: 0 0 20px rgba(255,140,26,0.35);
}

button {
  margin-top: 28px;
  width: 100%;
  padding: 14px;
  border-radius: 10px;
  border: none;
  background: linear-gradient(90deg, #ff8c1a, #ff6a00);
  color: black;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
}