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

:root {
  --bg: #ffffff;
  --fg: #000000;
  --border: #d0d0d0;
  --border-hover: #a0a0a0;
  --hover-bg: #f8f8f8;
}

body {
  font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Courier New', monospace;
  background: var(--bg);
  color: var(--fg);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.container {
  max-width: 1100px;
  width: 100%;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 80px;
}

.title {
  font-size: 32px;
  font-weight: 500;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.subtitle {
  font-size: 14px;
  color: #666;
  font-weight: 400;
}

/* Tools Grid */
.tools {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 80px;
}

.tool-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 60px 40px;
  border: 1px solid var(--border);
  border-radius: 4px;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

.tool-card:hover {
  border-color: var(--border-hover);
  background: var(--hover-bg);
  transform: translateY(-2px);
}

.tool-icon {
  margin-bottom: 32px;
  color: var(--fg);
}

.tool-title {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}

.tool-description {
  font-size: 13px;
  color: #666;
  max-width: 280px;
}

/* Footer */
.footer {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.footer p {
  font-size: 12px;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Responsive */
@media (max-width: 768px) {
  .title {
    font-size: 24px;
  }
  
  .tools {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .tool-card {
    padding: 40px 30px;
  }
  
  .header {
    margin-bottom: 60px;
  }
}