:root {
    --color-primary: #08b6b9;
    --color-secondary-solid: #000000; 
    --color-accent: #5eead4;
    --color-text-light: #e5f6f7;
    --color-text-light-muted: #b5dbe3;
    --color-bg-dark: #000000;
    --color-bg-darker: #000000; 
    --color-border-dark: #000000; 
  }
  
  body {
    height: 100%;
    margin: 0;
    padding: 0;
    background: var(--color-bg-dark) !important;
    color: var(--color-text-light) !important;
    font-family: 'Roboto', Arial, Helvetica, sans-serif !important;
    font-weight: 400 !important;
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden !important;
  }
  
  .site-container {
    width: 90%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
    box-sizing: border-box;
  }
  @media (max-width: 600px) {
    .site-container {
      padding-left: 10px;
      padding-right: 10px;
    }
  }
  
/* ========== HERO SECTION STANDARD STYLES ========== */
.hero-section {
    min-height: 100vh;
    width: 100vw;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    position: relative;
    overflow: hidden;
  }
  
  .hero-section.hero-bg-image {
    background-image: url('../../assets/images/ai-diamond-gradient.jpeg');
    background-size: cover !important;
    background-position: center !important;
    background-repeat: no-repeat !important;
    width: 100vw !important;
    height: 100vh !important;
    min-height: 100vh !important;
    min-width: 100vw !important;
    object-fit: cover !important;
    position: relative;
    overflow: hidden;
  }
  .hero-content {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 32px;
    padding-right: 32px;
    padding-top: 64px;
    padding-bottom: 32px;
    text-align: center;
  }
  .hero-title {
    background: linear-gradient(90deg,#00fff7 0%,#5efcf1 18%,#4eead4 36%,#24e0e0 60%,#06b6d4 85%,#178ca4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    padding-left: 20px;
    padding-right:20px;
  }
  
  .hero-section h1,
  .hero-section .hero-title {
    margin-top: 64px;
  }
  
  .hero-desc {
    color: #e5e7eb;
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
    text-align: center;
  }
  
    /* Intro Section */
  .intro-section {
    max-width: 900px;
    margin: 0 auto 3rem;
    padding: 2rem;
  }

  .intro-section .section-intro {
    color: var(--color-text-light-muted);
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
  }

  @media (max-width: 768px) {
    h1.hero-title {
      font-size: 2.25rem;
    }
  }

  @media (max-width: 480px) {
    h1.hero-title {
      font-size: 1.75rem;
      margin: 1.5rem 0 1rem;
    }
  }

  .narrow-paragraph, main p { 
    width: 80%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
    box-sizing: border-box;
  }
  @media (max-width: 600px) {
    .narrow-paragraph, main p {
      width: 100%;
      padding-left: 10px;
      padding-right: 10px;
    }
  }
  main ul, main li { 
      width: 80%; 
      margin-left: auto;
      margin-right: auto;
      box-sizing: border-box;
  }
   @media (max-width: 600px) {
      main ul:not(#on-page-nav-list), main li:not(#on-page-nav-list li) { 
          width: 100%;
      }
  }
  main ul:not(#on-page-nav-list) { 
       padding-left: calc(20px + 1.5rem); 
  }
  @media (max-width: 600px) {
      main ul:not(#on-page-nav-list) { 
          padding-left: calc(10px + 1.5rem);
      }
  }
  
  
  h1, h2, h3, h4, h5, h6 {
    font-family: 'Roboto', Arial, Helvetica, sans-serif !important;
    font-weight: 700 !important;
    text-align: center !important;
    background: linear-gradient(90deg,#00fff7 0%,#5efcf1 18%,#4eead4 36%,#24e0e0 60%,#06b6d4 85%,#178ca4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    margin-bottom: 1rem; 
    padding-bottom: 0.5rem; 
  }
  h1 { font-size: 3rem; }
  h2 { font-size: 2.25rem; } 
  h3 { font-size: 1.75rem; } 
  h4 { font-size: 1.25rem; } 
  h5 { font-size: 1rem; }
  h6 { font-size: 0.85rem; }
  
  .hero-section { 
    padding-top: 32px; 
    padding-bottom: 32px;
    text-align: center;
  }
  .hero-title { 
    background: linear-gradient(90deg,#00fff7 0%,#5efcf1 18%,#4eead4 36%,#24e0e0 60%,#06b6d4 85%,#178ca4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    font-size: 2.5rem; 
    font-weight: 800 !important; 
    margin-bottom: 1.5rem;
  }
  .hero-desc { 
    color: var(--color-text-light-muted); 
    font-size: 1.125rem; 
    max-width: 700px;
    margin: 1rem auto; 
  }
  
  a {
    color: var(--color-primary); 
    text-decoration: underline;
    transition: color 0.2s;
  }
  a:hover, a:focus {
    background: linear-gradient(90deg, #178ca4 0%, #5efcf1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    outline: none;
    text-decoration: underline;
  }
  
  .text-left {
    text-align: left !important;
  }
  
  .description-card {
    display: block !important;
  }

  .content-section {
      display: none;
  }
  .content-section.active {
      display: block;
  }
  header { 
      background-color: var(--color-bg-darker); 
      border-bottom: 1px solid var(--color-secondary-solid); 
  }
  header .font-bold.text-xl { 
      color: var(--color-accent); 
  }
  
  #on-page-navigation {
      background-image: radial-gradient(circle, #06b6d4 0%, #0b90b0 20%, #0f6b84 40%, #0e4a5c 70%, #0a2e3a 100%);
      padding: 1.5rem;
      margin-bottom: 2rem;
      border-radius: 0.5rem;
      border: 1px solid var(--color-border-dark);
  }
  #on-page-navigation h3 { 
      font-size: 1.5rem; 
      margin-bottom: 1rem;
      padding-bottom: 0.5rem;
      border-bottom: 1px solid var(--color-border-dark);
  }
  #on-page-nav-list {
      list-style: none;
      padding: 0;
      columns: 2; 
      -webkit-columns: 2;
      -moz-columns: 2;
  }
  @media (max-width: 768px) { 
      #on-page-nav-list {
          columns: 1;
          -webkit-columns: 1;
          -moz-columns: 1;
      }
  }
  #on-page-nav-list li {
      margin-bottom: 0.5rem;
  }
  #on-page-nav-list .nav-link { 
      display: block;
      padding: 0.5rem 0.75rem;
      border-radius: 0.375rem;
      color: var(--color-text-light-muted);
      text-decoration: none;
      font-weight: 500;
      transition: background-color 0.2s, color 0.2s;
  }
  #on-page-nav-list .nav-link:hover {
      background-color: rgba(8, 182, 185, 0.1);
      color: var(--color-primary);
      text-decoration: none; 
       background-image: none; 
      -webkit-text-fill-color: var(--color-primary);
  }
  #on-page-nav-list .nav-link.active {
      color: var(--color-primary) !important;
      font-weight: 700;
      background-color: rgba(8, 182, 185, 0.15);
      border-bottom: none; 
  }
  
  .accordion-arrow {
      margin-left: auto; 
      transition: transform 0.3s ease;
      display: inline-block; 
  }
  .accordion-header.active .accordion-arrow {
      transform: rotate(180deg);
  }
  
  .accordion-content { 
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background-color: transparent; 
  }
  .chart-container { 
      position: relative;
      width: 100%;
      max-width: 700px; 
      margin-left: auto;
      margin-right: auto;
      height: 350px; 
      max-height: 450px;
      background-image: radial-gradient(circle, #118ab2 0%, #003459 100%);
      padding: 1rem;
      border-radius: 0.375rem; 
  }
  @media (min-width: 768px) {
      .chart-container {
          height: 400px;
      }
  }
    
  .card { 
      background-image: radial-gradient(circle, #118ab2 0%, #003459 100%);
      border-radius: 0.5rem; 
      border: 1px solid var(--color-border-dark);
      margin-bottom: 1.5rem; 
      padding: 1.5rem; 
      color: var(--color-text-light); 
  }
  .card p, .card ul, .card li {
      color: var(--color-text-light); 
       width: 100%; 
      padding-left: 0;
      padding-right: 0;
      margin-left: 0;
      margin-right: 0;
  }
  .card ul { 
      padding-left: 1.5rem; 
  }
  
  .section-intro {
      color: var(--color-text-light-muted); 
      margin-bottom: 1.5rem; 
      line-height: 1.6;
      width: 100%; 
      padding-left: 0;
      padding-right: 0;
  }
    
   .card h2, .card h3, .card h4 {
      margin-bottom: 1rem; 
      padding-bottom: 0.5rem;
      border-bottom: 1px solid var(--color-border-dark); 
  }
  .card h2.hero-title { 
       border-bottom: none; 
  }
  
  .table-like-card { 
      border: 1px solid var(--color-border-dark); 
      border-radius: 0.375rem; 
      margin-bottom: 1rem;
      background-color: var(--color-bg-darker); 
  }
  .table-like-card-header { 
      background-color: var(--color-secondary-solid); 
      padding: 0.75rem 1rem; 
      font-weight: 600;
      color: var(--color-text-light);
      border-bottom: 1px solid var(--color-border-dark); 
      cursor: pointer;
      width: 100%;
      text-align: left; 
      background-image: none !important; 
      -webkit-background-clip: unset !important;
      -webkit-text-fill-color: unset !important;
      background-clip: unset !important;
      display: flex; 
      justify-content: space-between; 
      align-items: center;
  }
  .table-like-card-header:hover {
      background-color: #1a1a1a; 
       color: var(--color-primary);
  }
  .table-like-card-body { 
      padding: 1rem; 
      color: var(--color-text-light-muted);
      background-color: var(--color-bg-darker); 
  }
  .table-like-card-body p, .table-like-card-body ul, .table-like-card-body li {
      color: var(--color-text-light-muted);
      width: 100%; 
      padding-left: 0;
      padding-right: 0;
  }
  .table-like-card-body ul {
      padding-left: 1.5rem;
  }
  
  .tooltip {
      border-bottom: 1px dotted var(--color-primary); 
  }
  .tooltip .tooltiptext {
      background-color: var(--color-secondary-solid); 
      color: var(--color-text-light);
  }
  .tooltip .tooltiptext::after {
      border-color: var(--color-secondary-solid) transparent transparent transparent; 
  }
  footer {
      background-color: var(--color-bg-darker);
      color: var(--color-text-light-muted);
      border-top: 1px solid var(--color-secondary-solid); 
  }
  
  .chart-container canvas {
      /* Text color is handled by Chart.js options */
  }