body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: #000;
}

.nav {
  display: flex;
  justify-content: space-between;
  padding: 20px 60px;
  border-bottom: 1px solid #eee;
}

.logo {
  font-weight: bold;
  color: #ff6a2c;
}

.nav a {
  margin-left: 20px;
  text-decoration: none;
  color: #000;
}

.hero {
  max-width: 900px;
  margin: auto;
  padding: 80px 20px;
}

.hero h1 {
  font-size: 46px;
}

.features {
  margin-top: 40px;
}

.features h3 {
  color: #ff6a2c;
}

.start-btn {
  margin-top: 40px;
  background: none;
  border: none;
  color: #ff6a2c;
  font-size: 16px;
  cursor: pointer;
}

.investors {
  padding: 60px;
  border-top: 1px solid #eee;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 20px;
}

.grid div {
  border: 1px solid #ddd;
  padding: 30px;
  text-align: center;
}

/* QUIZ */
.quiz {
  background: #fafafa;
  padding: 80px 20px;
}

.quiz-card {
  max-width: 600px;
  margin: auto;
  background: #fff;
  padding: 40px;
  border: 1px solid #eee;
  border-radius: 10px;
  text-align: center;
}

#question {
  font-size: 18px;
  margin: 20px 0;
}

.option {
  border: 1px solid #ddd;
  padding: 14px;
  margin: 10px 0;
  cursor: pointer;
  border-radius: 6px;
}

.option:hover {
  background: #f5f5f5;
}

.quiz-btn {
  margin-top: 20px;
  padding: 12px 24px;
  background: #ff6a2c;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.hidden {
  display: none;
}