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

body {
  background: #e9e9e9;
  font-family: Arial, Helvetica, sans-serif;
  color: #111;
}

.hero {
  text-align: center;
  padding: 50px 20px 30px;
}

.hero h1 {
  font-size: 64px;
  font-weight: 800;
  margin-bottom: 14px;
}

.hero p {
  font-size: 20px;
  font-weight: 700;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.tool-card {
  background: #d9d9d9;
  padding: 24px;
  border-radius: 4px;
}

.tool-logo {
  background: #f3f3f3;
  border-radius: 16px;
  width: 100%;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.tool-logo {
  background: #f3f3f3;
  border-radius: 16px;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 1 / 1;
}

.tool-card h2 {
  font-size: 22px;
  margin-bottom: 14px;
  font-weight: 700;
}

.tool-card ul {
  list-style: none;
}

.tool-card li {
  font-size: 15px;
  line-height: 1.8;
  font-weight: 600;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 52px;
  }

  .hero p {
    font-size: 18px;
  }

  .tool-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .tool-card {
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 44px;
  }

  .hero p {
    font-size: 17px;
  }

  .tool-grid {
    grid-template-columns: 1fr;
  }
}