/* Free Stuff Lifecycle Finder - Main Stylesheet */

:root {
  --color-primary: #2D5A3D;
  --color-primary-dark: #1F3D29;
  --color-primary-light: #E8F0EB;
  --color-accent: #D4A843;
  --color-accent-light: #FDF6E3;
  --color-danger: #C44536;
  --color-text: #1A1A1A;
  --color-text-secondary: #5A5A5A;
  --color-text-light: #8A8A8A;
  --color-bg: #FAFBFA;
  --color-white: #FFFFFF;
  --color-border: #E0E4E1;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

/* Header */
.site-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-primary);
}

.logo:hover {
  text-decoration: none;
}

.main-nav {
  display: flex;
  gap: 24px;
}

.main-nav a {
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition);
}

.main-nav a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: 80px 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero-sub {
  font-size: 1.2rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto 40px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* Sections */
section {
  padding: 64px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-primary-dark);
}

.section-header p {
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Filter Bar */
.filter-bar {
  margin-bottom: 24px;
}

.search-box {
  margin-bottom: 16px;
}

.search-box input {
  width: 100%;
  max-width: 500px;
  padding: 14px 20px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: var(--font-sans);
  transition: border-color var(--transition);
  display: block;
  margin: 0 auto;
}

.search-box input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.category-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.filter-btn {
  padding: 8px 18px;
  border: 2px solid var(--color-border);
  border-radius: 100px;
  background: var(--color-white);
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
}

.filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* Quality Legend */
.quality-legend {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.legend-label {
  font-size: 0.85rem;
  color: var(--color-text-light);
  font-weight: 600;
}

.legend-item {
  font-size: 0.85rem;
  padding: 4px 12px;
  border-radius: 100px;
  font-weight: 500;
}

.tier-excellent {
  background: #E8F5E9;
  color: #2E7D32;
}

.tier-good {
  background: #FFF8E1;
  color: #F57F17;
}

.tier-basic {
  background: #F3E5F5;
  color: #7B1FA2;
}

/* Results Count */
.results-count {
  text-align: center;
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

/* Alternatives Grid */
.alternatives-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.alt-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: box-shadow var(--transition), transform var(--transition);
}

.alt-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.card-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.tier-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.tier-badge.excellent {
  background: #E8F5E9;
  color: #2E7D32;
}

.tier-badge.good {
  background: #FFF8E1;
  color: #F57F17;
}

.tier-badge.basic {
  background: #F3E5F5;
  color: #7B1FA2;
}

.card-swap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding: 12px;
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
}

.swap-from, .swap-to {
  flex: 1;
  text-align: center;
}

.swap-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-light);
  font-weight: 600;
}

.swap-product {
  font-weight: 600;
  font-size: 0.95rem;
  margin-top: 2px;
}

.swap-arrow {
  font-size: 1.2rem;
  color: var(--color-primary);
  font-weight: 700;
}

.card-limitations {
  margin-bottom: 16px;
}

.card-limitations h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-light);
  margin-bottom: 6px;
}

.card-limitations ul {
  list-style: none;
  padding: 0;
}

.card-limitations li {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  padding: 2px 0;
  padding-left: 16px;
  position: relative;
}

.card-limitations li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.card-category {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--color-text-light);
  background: var(--color-bg);
  padding: 4px 10px;
  border-radius: 100px;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-secondary);
}

.empty-state svg {
  margin-bottom: 16px;
}

.empty-state h3 {
  margin-bottom: 8px;
  color: var(--color-text);
}

/* Checklist Section */
.checklist-section {
  background: var(--color-white);
}

.checklist-container {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.checklist-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.checklist-info {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.checklist-info label {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.checklist-info input[type="text"],
.checklist-info input[type="date"] {
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.9rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
  border: none;
}

.btn-outline {
  background: var(--color-white);
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.checklist-items {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.checklist-category h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-primary-light);
}

.checklist-category ul {
  list-style: none;
}

.checklist-category li {
  padding: 6px 0;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.checklist-category input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
}

.checklist-notes h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.checklist-notes textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  resize: vertical;
}

.checklist-notes textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* Mistakes Section */
.mistakes-section {
  background: var(--color-accent-light);
}

.mistakes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.mistake-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 24px;
  border-left: 4px solid var(--color-danger);
}

.mistake-icon {
  margin-bottom: 12px;
}

.mistake-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}

.mistake-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* About Section */
.about-section {
  background: var(--color-white);
}

.about-content {
  max-width: 700px;
  margin: 0 auto;
}

.about-content p {
  margin-bottom: 16px;
  color: var(--color-text-secondary);
  font-size: 1.05rem;
}

.last-updated {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

/* Footer */
.site-footer {
  background: var(--color-primary-dark);
  color: var(--color-white);
  padding: 32px 0;
}

.footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-note {
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.7;
}

/* Print Styles */
@media print {
  .site-header,
  .site-footer,
  .filter-bar,
  .quality-legend,
  .results-count,
  .btn,
  .hero-stats {
    display: none !important;
  }
  
  .checklist-container {
    border: none;
    padding: 0;
  }
  
  body {
    font-size: 12pt;
    color: #000;
  }
  
  .checklist-category {
    break-inside: avoid;
  }
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero-sub {
    font-size: 1rem;
  }
  
  .hero-stats {
    gap: 24px;
  }
  
  .stat-number {
    font-size: 1.8rem;
  }
  
  section {
    padding: 48px 0;
  }
  
  .section-header h2 {
    font-size: 1.6rem;
  }
  
  .alternatives-grid {
    grid-template-columns: 1fr;
  }
  
  .main-nav {
    gap: 16px;
  }
  
  .main-nav a {
    font-size: 0.85rem;
  }
  
  .checklist-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .checklist-info {
    flex-direction: column;
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .hero {
    padding: 48px 0;
  }
  
  .hero h1 {
    font-size: 1.6rem;
  }
  
  .category-filters {
    gap: 6px;
  }
  
  .filter-btn {
    padding: 6px 12px;
    font-size: 0.8rem;
  }
  
  .quality-legend {
    gap: 8px;
  }
  
  .legend-item {
    font-size: 0.75rem;
    padding: 3px 8px;
  }
}

/* Focus styles for accessibility */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}


/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}