/* Layout CSS for Data Ecosystem Tools
   Contains layout styles for page structure */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Header & Navigation */
header {
  text-align: center;
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.home-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-400);
  text-decoration: none;
  font-weight: 500;
  margin-bottom: 1.5rem;
  transition: color 0.2s ease;
}

.home-link:hover {
  color: var(--primary-300);
}

.home-link i {
  transition: transform 0.2s ease;
}

.home-link:hover i {
  transform: translateX(-2px);
}

.subtitle {
  color: var(--gray-400);
  font-size: 1.125rem;
  max-width: 700px;
  margin: 0 auto;
}

/* Tool Section */
.tool-section {
  margin-top: 2rem;
}

/* Tools Grid (for index page) */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

/* Animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.tool-container {
  animation: fadeIn 0.5s ease-out forwards;
  opacity: 0;
}

.tool-container:nth-child(1) { animation-delay: 0.1s; }
.tool-container:nth-child(2) { animation-delay: 0.2s; }
.tool-container:nth-child(3) { animation-delay: 0.3s; }
.tool-container:nth-child(4) { animation-delay: 0.4s; }
.tool-container:nth-child(5) { animation-delay: 0.5s; }

/* Tool Container (for index page) */
.tool-container {
  background-color: var(--card-bg);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.tool-container:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.tool-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  transition: all 0.2s ease;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
}

.tool-link:hover {
  color: var(--primary-400);
  border-bottom-color: var(--primary-400);
}

.tool-link::after {
  content: '→';
  transition: transform 0.2s ease;
}

.tool-link:hover::after {
  transform: translateX(4px);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .tools-grid {
    grid-template-columns: 1fr;
  }
  
  .controls {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 600px) {
  body { 
    padding: 20px; 
  }
  
  .container {
    padding: 1rem;
  }
  
  h1 {
    font-size: 1.75rem;
  }
}