body {
  font-family: 'Segoe UI', sans-serif;
  background: #fdfefc;
  color: #2c2c2c;
  margin: 0;
  padding: 0;
}
a {
  text-decoration: none;
}
.btn-alt {
  display: inline-block;
  padding: 0.8rem 1.4rem;
  background: #3d5650;
  color: #fff;
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.3s ease;
}
.btn-alt:hover {
  background: #2d443f;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0,0,0,0.1);
}
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  padding: 2rem 1.5rem 4rem;
  max-width: 1100px;
  margin: auto;
}
.card {
  background: #fff;
  border-radius: 12px;
  padding: 1.8rem;
  box-shadow: 0 4px 16px rgba(0,0,0,0.05);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.3s ease;
}
.card:hover {
  transform: translateY(-5px);
}
.card h3 {
  font-size: 1.1rem;
  color: #3d5650;
}
.card p {
  font-size: 0.95rem;
  margin: 0.5rem 0 1.2rem;
}