/* General Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  background-color: #f9f9f9;
  color: #333;
  line-height: 1.6;
}

header {
  background-color: #007BFF;
  color: white;
  padding: 1rem 0;
  text-align: center;
}

header h1 {
  font-size: 1.5rem;
  font-weight: bold;
}

.hero-calculator {
  background: linear-gradient(to right, #007BFF, #0056b3);
  color: white;
  text-align: center;
  padding: 3rem 1rem;
}

.hero-calculator h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.hero-calculator p {
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.calculator-box {
  background: white;
  color: #333;
  padding: 2rem;
  border-radius: 10px;
  max-width: 800px;
  margin: 0 auto;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.input-group {
  margin-bottom: 1rem;
}

.input-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: bold;
}

.input-group input {
  width: 100%;
  padding: 1rem;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 1rem;
}

button {
  background-color: #007BFF;
  color: white;
  padding: 1rem 2rem;
  border: none;
  border-radius: 5px;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #0056b3;
}

#results {
  margin-top: 2rem;
  text-align: left;
}

canvas {
  margin-top: 1rem;
}

.content-section {
  padding: 2rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.content-card {
  background: white;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  margin-bottom: 2rem;
  transition: transform 0.3s, box-shadow 0.3s;
}

.content-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 12px rgba(0, 0, 0, 0.2);
}

.content-card h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: #007BFF;
}
.content-card h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: #007BFF;
}

.content-card p {
  font-size: 1.3rem;
  color: #555;
}

footer {
  background-color: #007BFF;
  color: white;
  text-align: center;
  padding: 1rem 0;
}

@media (max-width: 768px) {
  header h1 {
    font-size: 1.25rem;
  }

  .hero-calculator h2 {
    font-size: 1.5rem;
  }

  .calculator-box {
    padding: 1.5rem;
  }

  .content-card {
    padding: 1rem;
  }
}