/* AA Steps - Minimalist Design */

:root {
  --primary-color: #2c3e50;
  --secondary-color: #34495e;
  --accent-color: #3498db;
  --text-color: #333;
  --light-text: #666;
  --background: #ffffff;
  --light-background: #f8f9fa;
  --border-color: #e1e8ed;
  --shadow: 0 2px 10px rgba(0,0,0,0.1);
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

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

body {
  font-family: var(--font-family);
  line-height: 1.7;
  color: var(--text-color);
  background: var(--background);
  font-size: 16px;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 60px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--border-color);
}

.header h1 {
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.header .subtitle {
  font-size: 1.1rem;
  color: var(--light-text);
  font-weight: 400;
}

.disclaimer {
  margin-top: 20px;
  padding: 15px;
  background: var(--light-background);
  border-left: 4px solid var(--accent-color);
  border-radius: 4px;
  font-size: 0.9rem;
  color: var(--secondary-color);
}

.disclaimer a {
  color: var(--accent-color);
  text-decoration: none;
}

.disclaimer a:hover {
  text-decoration: underline;
}

/* Navigation */
.nav {
  margin-bottom: 40px;
}

.nav-link {
  display: inline-block;
  color: var(--accent-color);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.nav-link::before {
  content: "← ";
  margin-right: 4px;
}

/* Phase Sections */
.phase-section {
  margin-bottom: 60px;
}

.phase-title {
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--primary-color);
  margin-bottom: 15px;
  text-align: center;
}

.phase-description {
  font-size: 1.1rem;
  color: var(--light-text);
  text-align: center;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* Step Grid */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.step-card {
  background: var(--background);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 25px;
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

.step-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  border-color: var(--accent-color);
}

.step-number {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-color);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 15px;
}

.step-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 15px;
  line-height: 1.4;
}

.step-excerpt {
  color: var(--light-text);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Individual Step Page */
.step-content h1 {
  font-size: 2.2rem;
  font-weight: 300;
  color: var(--primary-color);
  margin-bottom: 20px;
  line-height: 1.3;
}

.step-quote {
  font-style: italic;
  font-size: 1.2rem;
  color: var(--secondary-color);
  margin-bottom: 40px;
  padding: 20px;
  background: var(--light-background);
  border-left: 4px solid var(--accent-color);
  border-radius: 4px;
}

.step-content h2 {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--primary-color);
  margin: 40px 0 20px 0;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.step-content h3 {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--secondary-color);
  margin: 30px 0 15px 0;
}

.step-content p {
  margin-bottom: 20px;
  font-size: 1rem;
  line-height: 1.8;
}

.step-content blockquote {
  margin: 30px 0;
  padding: 20px;
  background: var(--light-background);
  border-left: 4px solid var(--accent-color);
  font-style: italic;
  color: var(--secondary-color);
}

/* Footer */
.footer {
  margin-top: 60px;
  padding-top: 30px;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer p {
  color: var(--light-text);
  font-size: 0.9rem;
}

/* Version Navigation */
.version-nav {
  margin-top: 15px;
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.version-nav .version-link {
  padding: 6px 12px;
  border-radius: 15px;
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.version-nav .version-link.original {
  background: var(--primary-color);
  color: white;
}

.version-nav .version-link.original:hover {
  background: var(--secondary-color);
}

.version-nav .version-link.modern {
  background: var(--accent-color);
  color: white;
}

.version-nav .version-link.modern:hover {
  background: #2980b9;
}

.version-nav .version-link.simple {
  background: var(--light-background);
  color: var(--primary-color);
  border: 1px solid var(--border-color);
}

.version-nav .version-link.simple:hover {
  background: var(--border-color);
}

.current-version {
  padding: 6px 12px;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
  background: #27ae60;
  color: white;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .steps-grid {
    gap: 15px;
  }
  
  .step-card {
    padding: 20px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 20px 15px;
  }
  
  .header h1 {
    font-size: 2rem;
  }
  
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .step-card {
    padding: 20px;
  }
  
  .step-content h1 {
    font-size: 1.8rem;
  }
  
  .step-quote {
    font-size: 1.1rem;
    padding: 15px;
  }
}

/* Step Navigation */
.step-navigation {
  display: flex;
  justify-content: space-between;
  margin: 40px 0;
  padding: 20px 0;
  border-top: 1px solid var(--border-color);
}

.step-nav-link {
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 500;
  padding: 10px 20px;
  border: 1px solid var(--border-color);
  border-radius: 25px;
  transition: all 0.2s ease;
}

.step-nav-link:hover {
  background: var(--accent-color);
  color: white;
}

.step-nav-link.prev {
  margin-right: auto;
}

.step-nav-link.next {
  margin-left: auto;
}

/* Additional Resources */
.additional-resources {
  margin: 40px 0;
  padding: 25px;
  background: var(--light-background);
  border-radius: 8px;
  border-left: 4px solid var(--accent-color);
}

.additional-resources h2 {
  font-size: 1.3rem;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.resource-links {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.resource-link {
  padding: 10px 20px;
  border-radius: 20px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease;
  flex: 1;
  text-align: center;
  min-width: 200px;
}

.resource-link.original {
  background: var(--primary-color);
  color: white;
}

.resource-link.original:hover {
  background: var(--secondary-color);
}

.resource-link.modern {
  background: var(--accent-color);
  color: white;
}

.resource-link.modern:hover {
  background: #2980b9;
}

.resource-link.simple {
  background: var(--light-background);
  color: var(--primary-color);
  border: 1px solid var(--border-color);
}

.resource-link.simple:hover {
  background: var(--border-color);
}

@media (max-width: 480px) {
  .header h1 {
    font-size: 1.7rem;
  }
  
  .step-content h1 {
    font-size: 1.5rem;
  }
  
  .step-quote {
    font-size: 1rem;
  }
  
  .step-navigation {
    flex-direction: column;
    gap: 15px;
  }
  
  .step-nav-link.prev,
  .step-nav-link.next {
    margin: 0;
    text-align: center;
  }
  
  .resource-links {
    flex-direction: column;
  }
  
  .resource-link {
    min-width: auto;
  }
}