@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --color-bg: #ffffff;
  --color-surface: #ffffff;
  --color-primary: #003366;
  --color-secondary: #1a1a1a;
  --color-accent-blue: #0052cc;
  --color-accent-green: #00b359;
  --color-accent-orange: #e85d00;
  --color-border: #e6e6e6;
  --color-shadow: rgba(0, 0, 0, 0.1);
  --color-text: #1a1a1a;
  --color-muted: #666666;
  --color-light-bg: #f8f9fa;
  --color-gray-50: #fafafa;
  --color-gray-100: #f5f5f5;
  --color-gray-200: #eeeeee;
  --radius: 4px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-main);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  line-height: 1.5;
  font-weight: 400;
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 2rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
}

.logo {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--color-accent-blue);
}

.nav-dropdown {
  position: relative;
  display: inline-block;
}

.nav-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.dropdown-arrow {
  font-size: 0.75rem;
  transition: transform 0.2s ease;
}

.nav-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease;
  z-index: 1000;
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-menu a {
  display: block;
  padding: 0.75rem 1.5rem;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
  transition: all 0.2s;
  border-left: 3px solid transparent;
}

.nav-dropdown-menu a:hover {
  background: var(--color-gray-50);
  color: var(--color-accent-blue);
  border-left-color: var(--color-accent-blue);
}

.nav-cta {
  background: var(--color-accent-blue);
  color: white !important;
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.875rem;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}

.nav-cta:hover {
  background: #003d99;
  color: white !important;
  transform: translateY(-1px);
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.hero {
  background: var(--color-gray-50);
  padding: 5rem 2rem 6rem 2rem;
  margin: 0 -2rem 6rem -2rem;
  text-align: center;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 2rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero .elements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
  gap: 8px;
  margin-bottom: 2.5rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero .element {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.hero .element.metal {
  background: rgba(25, 113, 194, 0.08);
  border: 1px solid rgba(25, 113, 194, 0.3);
  color: #1971c2;
}

.hero .element.energy {
  background: rgba(224, 49, 49, 0.08);
  border: 1px solid rgba(224, 49, 49, 0.3);
  color: #e03131;
}

.hero .element.agriculture {
  background: rgba(47, 158, 68, 0.08);
  border: 1px solid rgba(47, 158, 68, 0.3);
  color: #2f9e44;
}

.hero .element:hover {
  transform: scale(1.1);
  z-index: 1;
}

.hero p {
  font-size: 1.25rem;
  color: var(--color-muted);
  margin-bottom: 3rem;
  line-height: 1.6;
  font-weight: 400;
}

.cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.newsletter-content {
  padding: 4rem 0;
  max-width: 900px;
  margin: 0 auto;
}

.newsletter-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: 3rem;
}

.newsletter-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  margin-bottom: 4rem;
}

.newsletter-features .feature {
  text-align: center;
  padding: 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: all 0.2s ease;
}

.newsletter-features .feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.newsletter-features .feature h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.newsletter-features .feature p {
  color: var(--color-muted);
  line-height: 1.6;
  font-size: 1rem;
}

.newsletter-cta {
  text-align: center;
  padding: 3rem;
  background: var(--color-gray-50);
  border-radius: var(--radius);
  margin-top: 2rem;
}

.newsletter-cta p {
  font-size: 1.125rem;
  color: var(--color-muted);
  margin-bottom: 2rem;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .hero .elements-grid {
    grid-template-columns: repeat(auto-fit, minmax(45px, 1fr));
    gap: 6px;
  }

  .hero .element {
    font-size: 1rem;
  }

  .newsletter-features {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .newsletter-content {
    padding: 3rem 1rem;
  }

  .newsletter-content h2 {
    font-size: 2rem;
  }

  .newsletter-cta {
    padding: 2rem 1rem;
  }
}

.btn {
  padding: 1rem 2.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  display: inline-block;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--color-accent-blue);
  color: white;
}

.btn-primary:hover {
  background: #003d99;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: transparent;
  color: var(--color-accent-blue);
  border: 2px solid var(--color-accent-blue);
}

.btn-secondary:hover {
  background: var(--color-accent-blue);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.section {
  margin-bottom: 6rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  text-align: center;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-muted);
  text-align: center;
  margin-bottom: 4rem;
  font-weight: 400;
  line-height: 1.6;
}

.why-section {
  margin-bottom: 6rem;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}

.why-item {
  text-align: left;
}

.why-item h4 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.why-item p {
  color: var(--color-muted);
  line-height: 1.6;
  font-size: 1rem;
}

.stats-section {
  background: var(--color-gray-50);
  padding: 4rem 2rem;
  margin: 0 -2rem 6rem -2rem;
  text-align: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.stat-item {
  padding: 1.5rem;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  display: block;
  margin-bottom: 0.5rem;
  line-height: 1;
}

.stat-label {
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.forecast-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 6rem;
}

.forecast-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
  border: 1px solid var(--color-border);
  transition: all 0.2s;
}

.forecast-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.commodity-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

.sparkline {
  width: 100%;
  height: 80px;
  margin-bottom: 1.5rem;
  background: var(--color-gray-50);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
}

.mape {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.movement {
  font-weight: 600;
  font-size: 1.125rem;
}

.movement.positive {
  color: var(--color-accent-green);
}

.movement.negative {
  color: var(--color-accent-orange);
}

.interactive-section {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 3rem;
  margin-bottom: 6rem;
  border: 1px solid var(--color-border);
}

.interactive-section .section-subtitle {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1rem;
  text-align: center;
}

.interactive-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.control {
  background: var(--color-gray-50);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.control label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1rem;
  display: block;
}

.control input[type="range"] {
  width: 100%;
  accent-color: var(--color-accent-blue);
  margin-bottom: 0.75rem;
  height: 6px;
}

.control-value {
  font-size: 0.875rem;
  color: var(--color-muted);
  font-weight: 500;
}

.forecast-outcome {
  background: var(--color-gray-50);
  border-radius: var(--radius);
  padding: 2.5rem;
  font-size: 1.25rem;
  color: var(--color-primary);
  font-weight: 600;
  text-align: center;
  border: 2px solid var(--color-border);
}

.ai-explain-section {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 3rem;
  border: 1px solid var(--color-border);
  margin-bottom: 6rem;
}

.ai-explain-title {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1rem;
  text-align: center;
}

.shap-chart {
  width: 100%;
  max-width: 600px;
  height: 240px;
  background: var(--color-gray-50);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: 1rem;
  margin: 2rem auto;
  border: 1px solid var(--color-border);
}

.chart-description {
  text-align: center;
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.6;
}

footer {
  background: var(--color-primary);
  color: white;
  padding: 4rem 0 2rem 0;
  margin-top: 6rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 3rem;
}

.footer-section h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: white;
  letter-spacing: 0.02em;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  display: block;
  margin-bottom: 0.75rem;
  transition: color 0.2s;
  font-size: 0.9rem;
}

.footer-section a:hover {
  color: white;
}

.footer-bottom {
  max-width: 1200px;
  margin: 3rem auto 0 auto;
  padding: 2rem 2rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
}

/* Pricing Page Styles */
.pricing-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.pricing-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.5rem 2rem;
  border: 2px solid var(--color-border);
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  border-color: var(--color-accent-blue);
  transform: scale(1.05);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent-blue);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
}

.plan-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.plan-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.plan-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  margin-bottom: 1rem;
}

.currency {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-muted);
}

.amount {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-primary);
  margin: 0 0.25rem;
}

.period {
  font-size: 1rem;
  color: var(--color-muted);
  font-weight: 500;
}

.plan-description {
  color: var(--color-muted);
  font-size: 1rem;
  margin: 0;
}

.plan-features {
  margin-bottom: 2rem;
}

.feature-category {
  margin-bottom: 1.5rem;
}

.feature-category h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.feature-category ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-category li {
  padding: 0.25rem 0;
  color: var(--color-text);
  font-size: 0.9rem;
}

.plan-cta {
  text-align: center;
}

.plan-btn {
  width: 100%;
  margin-bottom: 0.75rem;
}

.trial-note {
  color: var(--color-muted);
  font-size: 0.875rem;
  margin: 0;
}

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

.comparison-table {
  overflow-x: auto;
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.comparison-table table {
  width: 100%;
  border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
  background: var(--color-gray-50);
  font-weight: 600;
  color: var(--color-primary);
}

.comparison-table td {
  color: var(--color-text);
}

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

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.faq-item {
  background: var(--color-surface);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
}

.faq-item h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.faq-item p {
  color: var(--color-muted);
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.75rem;
  }
  
  .hero p {
    font-size: 1.125rem;
  }
  
  .hero {
    padding: 4rem 1.5rem 5rem 1.5rem;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .forecast-cards,
  .why-grid {
    grid-template-columns: 1fr;
  }
  
  .interactive-controls {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .header-content {
    padding: 0 1rem;
  }
  
  .nav-links {
    gap: 1.5rem;
  }
  
  .nav-dropdown-menu {
    position: fixed;
    top: auto;
    left: 0;
    right: 0;
    min-width: 100%;
    max-height: 60vh;
    overflow-y: auto;
    border-radius: 0;
    transform: translateY(0);
  }
  
  .nav-dropdown:hover .nav-dropdown-menu {
    transform: translateY(0);
  }
  
  main {
    padding: 0 1rem;
  }
  
  .hero {
    margin: 0 -1rem 4rem -1rem;
  }
  
  .stats-section {
    margin: 0 -1rem 6rem -1rem;
    padding: 3rem 1rem;
  }
  
  .interactive-section,
  .ai-explain-section {
    padding: 2rem 1.5rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    padding: 0 1rem;
  }
  
  .footer-bottom {
    padding: 2rem 1rem 0 1rem;
    flex-direction: column;
    text-align: center;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .section {
    margin-bottom: 4rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.25rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .nav-links a:not(.nav-cta):not(.nav-dropdown-toggle) {
    display: none;
  }
  
  .nav-dropdown {
    position: static;
  }
  
  .nav-dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: transparent;
    padding: 0;
    min-width: auto;
  }
  
  .nav-dropdown-menu a {
    padding: 0.5rem 0;
    font-size: 0.8rem;
    border-left: none;
  }
}

/* Commodity Sectors Styling */
.commodity-sectors {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.sector-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.commodity-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.commodity-link {
  color: var(--color-accent-blue);
  text-decoration: none;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-gray-200);
  transition: color 0.2s ease;
  font-weight: 500;
}

.commodity-link:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.commodity-link:last-child {
  border-bottom: none;
}

@media (max-width: 768px) {
  .commodity-sectors {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .sector-card {
    padding: 1.5rem;
  }
}

/* Periodic Table Styling */
.periodic-table-section {
  padding: 3rem 0;
  background: var(--color-gray-50);
  margin: -6rem -2rem 6rem -2rem;
  position: relative;
  z-index: 1;
}

@media (max-width: 1024px) {
  .periodic-table {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .periodic-table {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 480px) {
  .periodic-table {
    grid-template-columns: repeat(2, 1fr);
    padding: 0.25rem;
  }
}

@media (min-width: 1024px) {
  .periodic-table-section {
    padding: 4rem 0;
  }
  
  .periodic-table-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--color-border);
  }
}

.periodic-table {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.5rem;
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 2px;
  justify-items: stretch;
}

@media (min-width: 1024px) {
  .periodic-table {
    padding: 0;
  }
}

.periodic-groups {
  display: contents;
}

.commodity-container {
  padding: 0;
  margin: 0;
  background: var(--color-surface);
  width: 100%;
  display: flex;
  flex-direction: column;
}

@media (min-width: 1024px) {
  .commodity-container {
    padding: 0;
    margin: 0;
    position: relative;
    height: 100%;
  }

  .commodity-container:not(:last-child) {
    border-right: 1px solid var(--color-border);
  }
}

.commodity-container.energy {
  background: rgba(224, 49, 49, 0.03);
}

.commodity-container.metal {
  background: rgba(25, 113, 194, 0.03);
}

.commodity-container.agriculture {
  background: rgba(47, 158, 68, 0.03);
}

.container-header {
  text-align: left;
  padding: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.container-title {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
  margin: 0;
}

.energy .container-title {
  color: #e03131;
}

.metal .container-title {
  color: #1971c2;
}

.agriculture .container-title {
  color: #2f9e44;
}

.group-labels {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
  text-align: center;
  margin-bottom: 1rem;
}

.group-label {
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.5rem;
  border-radius: var(--radius);
  line-height: 1.3;
}

.group-label.energy {
  color: #e03131;
  grid-column: 1;
}

.group-label.metal {
  color: #1971c2;
  grid-column: 4;
}

.group-label.agriculture {
  color: #2f9e44;
  grid-column: 6;
}

.elements-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.commodity-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.group-content {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  padding: 0;
  transition: all 0.2s ease;
  background: var(--color-border);
  width: 100%;
  flex: 1;
}

@media (min-width: 1024px) {
  .group-content {
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
  }
}

.commodity-container:hover .group-content {
  background: rgba(255, 255, 255, 0.8);
}

.commodity-descriptions {
  padding: 1rem;
  margin: 1rem 0 0.75rem;
  background: var(--color-gray-50);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.description-text {
  color: var(--color-muted);
  font-size: 0.8125rem;
  line-height: 1.5;
  margin: 0;
}

.energy .commodity-descriptions {
  background: rgba(224, 49, 49, 0.03);
}

.metal .commodity-descriptions {
  background: rgba(25, 113, 194, 0.03);
}

.agriculture .commodity-descriptions {
  background: rgba(47, 158, 68, 0.03);
}

.group-nav {
  text-align: center;
  margin-top: 0.5rem;
}

.group-nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.7rem;
  transition: all 0.2s;
  text-decoration: none;
}

.group-nav-btn.energy {
  background: rgba(224, 49, 49, 0.1);
  color: #e03131;
}

.group-nav-btn.metal {
  background: rgba(25, 113, 194, 0.1);
  color: #1971c2;
}

.group-nav-btn.agriculture {
  background: rgba(47, 158, 68, 0.1);
  color: #2f9e44;
}

.group-nav-btn:hover {
  transform: translateY(-2px);
}

.element-row {
  display: grid;
  grid-template-columns: 2fr 1fr 2fr 1fr 2fr;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.empty-cell {
  aspect-ratio: 1;
  min-height: 140px;
}

.element {
  background: var(--color-surface);
  padding: 0.2rem;
  position: relative;
  aspect-ratio: 1;
  width: 100%;
  height: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.1rem;
  transition: all 0.15s ease;
  cursor: pointer;
  overflow: hidden;
  transform-origin: center;
  border: 1.5px solid var(--color-border);
  border-radius: 3px;
  box-shadow: none;
  margin: 1px;
  min-width: 0;
}

.element.energy {
  background: white;
  border-color: rgba(224, 49, 49, 0.6);
  box-shadow: 0 0 8px rgba(224, 49, 49, 0.2);
}

.element.metal {
  background: white;
  border-color: rgba(25, 113, 194, 0.6);
  box-shadow: 0 0 8px rgba(25, 113, 194, 0.2);
}

.element.agriculture {
  background: white;
  border-color: rgba(47, 158, 68, 0.6);
  box-shadow: 0 0 8px rgba(47, 158, 68, 0.2);
}

.element:hover {
  transform: scale(1.05);
  z-index: 2;
}

.element.energy:hover {
  border-color: rgba(224, 49, 49, 0.8);
  box-shadow: 0 0 12px rgba(224, 49, 49, 0.3);
}

.element.metal:hover {
  border-color: rgba(25, 113, 194, 0.8);
  box-shadow: 0 0 12px rgba(25, 113, 194, 0.3);
}

.element.agriculture:hover {
  border-color: rgba(47, 158, 68, 0.8);
  box-shadow: 0 0 12px rgba(47, 158, 68, 0.3);
}

.element-symbol {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.1rem;
}

.energy .element-symbol {
  color: #e03131;
}

.metal .element-symbol {
  color: #1971c2;
}

.agriculture .element-symbol {
  color: #2f9e44;
}

.element-name {
  font-size: 0.85rem;
  font-weight: 500;
  text-align: center;
  color: var(--color-text);
}

.element-description {
  font-size: 0.6rem;
  color: var(--color-muted);
  text-align: center;
  line-height: 1.3;
  opacity: 0.9;
  margin-top: 0.25rem;
  transition: all 0.2s ease;
}

.element-number {
  position: absolute;
  top: 0.2rem;
  right: 0.2rem;
  font-size: 0.5rem;
  color: var(--color-muted);
  font-weight: 500;
}

.element-link {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.periodic-legend {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin: 3rem auto 1rem;
  padding: 0;
  max-width: 1200px;
}

.legend-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  max-width: 280px;
}

.legend-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  transition: all 0.2s ease;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  width: 100%;
}

.legend-description {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--color-muted);
  text-align: center;
}

.legend-link.energy {
  color: #e03131;
}

.legend-link.metal {
  color: #1971c2;
}

.legend-link.agriculture {
  color: #2f9e44;
}

.legend-link:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.legend-color {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 3px;
}

.legend-color.energy {
  background: rgba(224, 49, 49, 0.2);
  border: 1px solid rgba(224, 49, 49, 0.4);
}

.legend-color.metal {
  background: rgba(25, 113, 194, 0.2);
  border: 1px solid rgba(25, 113, 194, 0.4);
}

.legend-color.agriculture {
  background: rgba(47, 158, 68, 0.2);
  border: 1px solid rgba(47, 158, 68, 0.4);
}

.legend-text {
  font-size: 0.875rem;
  font-weight: 500;
}

.legend-arrow {
  font-size: 0.875rem;
  opacity: 0.7;
  transition: transform 0.2s ease;
}

.legend-link:hover .legend-arrow {
  transform: translateX(2px);
}

@media (max-width: 768px) {
  .periodic-legend {
    flex-direction: column;
    gap: 2rem;
    align-items: center;
    padding: 0 1rem;
  }
  
  .legend-item {
    width: 100%;
    max-width: 100%;
  }
  
  .legend-link {
    justify-content: space-between;
  }
  
  .legend-description {
    font-size: 0.75rem;
    padding: 0 0.5rem;
  }
}

@media (max-width: 768px) {
  .periodic-table {
    grid-template-columns: repeat(4, 1fr);
    padding: 0.5rem;
    gap: 2px;
  }

  .element {
    width: 100%;
    height: auto;
    aspect-ratio: 1;
    padding: 0.2rem;
    border-width: 1.5px;
    margin: 1px;
    gap: 0.1rem;
    min-width: 0;
  }

  .element-symbol {
    font-size: 1.1rem;
    margin-bottom: 0.1rem;
  }

  .element-name {
    font-size: 0.7rem;
  }

  .element-number {
    font-size: 0.5rem;
    top: 0.2rem;
    right: 0.2rem;
  }

  .periodic-legend {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .periodic-table {
    grid-template-columns: repeat(3, 1fr);
    padding: 0.25rem;
    gap: 1px;
  }

  .element {
    margin: 0;
  }
  }

/* Dashboard Preview Styling */
.dashboard-preview-section {
  background: var(--color-surface);
  padding: 4rem 0;
  margin: 4rem 0;
}

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

.dashboard-screenshot {
  text-align: center;
  margin-bottom: 4rem;
}

.dashboard-features {
  margin-top: 3rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.feature-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.feature-item h4 {
  color: var(--color-primary);
  margin-bottom: 1rem;
  font-size: 1.125rem;
  font-weight: 600;
}

.feature-item p {
  color: var(--color-muted);
  line-height: 1.6;
  font-size: 0.95rem;
}

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

@media (max-width: 768px) {
  .dashboard-preview-section {
    padding: 3rem 0;
    margin: 3rem 0;
  }
  
  .dashboard-preview {
    padding: 0 1rem;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .feature-item {
    padding: 1.5rem;
  }
  
  .dashboard-cta {
    padding: 0 1rem;
  }
}