* {
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  margin: 0;
  background: #f5f7fa;
  color: #333;
}

.header {
  text-align: center;
  padding: 40px 20px;
  background: #0f172a;
  color: #fff;
}

.header h1 {
  margin: 0;
  font-size: 2.5rem;
}

.header p {
  margin-top: 10px;
  opacity: 0.8;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  padding: 30px;
}

.tool-card {
  background: #fff;
  padding: 20px;
  text-align: center;
  border-radius: 10px;
  text-decoration: none;
  color: #111;
  font-weight: bold;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tool-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.footer {
  text-align: center;
  padding: 20px;
  font-size: 0.9rem;
  color: #666;
}
.seo-text {
  max-width: 900px;
  margin: 20px auto;
  padding: 10px 20px;
  color: #555;
  font-size: 0.95rem;
  line-height: 1.6;
}