:root {
  --primary: #007bff;
  --secondary: #ffffff;
  --text: #333333;
  --accent: #e0f0ff;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--secondary);
  color: var(--text);
  line-height: 1.6;
}

header {
  background: var(--primary);
  color: var(--secondary);
  padding: 1rem 2rem;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

header h1 {
  font-size: 2rem;
}

.container {
  max-width: 1100px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.about-content {
  display: flex;
  flex-direction: row;
  gap: 2rem;
  align-items: center;
  flex-wrap: wrap;
}

.about-text {
  flex: 1;
}

.about-text h2 {
  font-size: 1.8rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.about-text p {
  font-size: 1rem;
  margin-bottom: 1rem;
}

.about-image {
  flex: 1;
  text-align: center;
}

.about-image img {
  max-width: 100%;
  border-radius: 20px;
  box-shadow: 0 6px 20px rgba(0, 123, 255, 0.2);
}

.back-btn {
  display: inline-block;
  margin-top: 2rem;
  padding: 0.7rem 1.5rem;
  background-color: var(--primary);
  color: white;
  border: none;
  border-radius: 25px;
  cursor: pointer;
  font-size: 1rem;
  transition: background 0.3s ease;
}

.back-btn:hover {
  background-color: #0056b3;
}

footer {
  margin-top: 3rem;
  text-align: center;
  font-size: 0.9rem;
  padding: 1rem;
  background-color: var(--accent);
  color: var(--text);
}

@media (max-width: 768px) {
  .about-content {
    flex-direction: column;
  }

  .about-text h2 {
    font-size: 1.5rem;
  }

  .back-btn {
    width: 50%;
    text-align: center;
  }
  
}