* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: white;
}

.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 40px 0;
}

.hero-title {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 18px;
  color: #cbd5e1;
  margin-bottom: 30px;
}

.download-box {
  background: white;
  padding: 30px;
  border-radius: 20px;
}

.download-box input {
  height: 60px;
  border-radius: 12px;
  border: 2px solid #e2e8f0;
}

.download-box button {
  height: 55px;
  border-radius: 12px;
  font-size: 18px;
  font-weight: 600;
}

.feature-card {
  background: white;
  color: #111827;
  padding: 30px;
  border-radius: 18px;
  text-align: center;
  height: 100%;
}

.footer {
  background: #020617;
  color: #94a3b8;
}

#result {
  color: #111827;
}