body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #f5f7fb;
  color: #1f2937;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}

.hero {
  text-align: center;
  margin-bottom: 30px;
}

.hero h1 {
  font-size: 2.4rem;
  margin-bottom: 10px;
}

.subtitle {
  font-size: 1.15rem;
  color: #4b5563;
}

.card {
  background: white;
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 22px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.08);
}

.card h2 {
  margin-top: 0;
  font-size: 1.35rem;
}

.card h3 {
  margin-top: 18px;
  margin-bottom: 8px;
}

.button-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.role-button,
.primary-button,
.secondary-button {
  border: none;
  border-radius: 10px;
  padding: 12px 18px;
  font-size: 1rem;
  cursor: pointer;
}

.role-button {
  background: #e5e7eb;
}

.role-button:hover {
  background: #d1d5db;
}

.role-button.selected {
  background: #111827;
  color: white;
}

.primary-button {
  background: #111827;
  color: white;
  margin-top: 18px;
}

.primary-button:hover,
.secondary-button:hover {
  opacity: 0.9;
}

.secondary-button {
  background: #374151;
  color: white;
  margin-top: 18px;
}

.info-text {
  margin-top: 16px;
  color: #4b5563;
}

.market-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

.metric-box {
  background: #f3f4f6;
  padding: 16px;
  border-radius: 12px;
}

.metric-label {
  display: block;
  font-size: 0.9rem;
  color: #6b7280;
  margin-bottom: 6px;
}

.metric-value {
  font-size: 1.4rem;
  font-weight: bold;
}

.question-label {
  display: block;
  margin-top: 18px;
  margin-bottom: 8px;
  font-weight: bold;
}

select,
textarea,
input {
  width: 100%;
  box-sizing: border-box;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #d1d5db;
  font-size: 1rem;
}

textarea {
  resize: vertical;
}

.result-highlight {
  background: #eef2ff;
  padding: 18px;
  border-radius: 12px;
}

.evidence-note {
  margin-top: 14px;
  font-size: 0.92rem;
  color: #6b7280;
}

.success-message {
  margin-top: 16px;
  font-weight: bold;
}

.hidden {
  display: none;
}

@media (max-width: 600px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .card {
    padding: 18px;
  }
}