:root {
    --bg-dark: #0f2027;
    --bg-mid: #203a43;
    --bg-light: #2c5364;
    --text-dark: #111;
    --text-light: #f4f6f8;
    --card-bg: #ffffff;
    --accent: #4f8cff;
  }
  
  * {
    box-sizing: border-box;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  }
  
  body {
    margin: 0;
    background: #f4f6f8;
    color: var(--text-dark);
  }
  
  /* HERO */
  .hero {
    height: 100vh;
    background: linear-gradient(135deg, var(--bg-dark), var(--bg-mid), var(--bg-light));
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
  }
  
  .hero-content {
    animation: fadeUp 1.2s ease-out;
  }
  
  .hero h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
  }
  
  .subtitle {
    font-size: 1.2rem;
    opacity: 0.85;
  }
  
  .scroll-indicator {
    display: block;
    margin-top: 2rem;
    animation: bounce 2s infinite;
    opacity: 0.7;
  }
  
  /* SECTIONS */
  .section {
    padding: 4rem 10%;
  }
  
  .section.light {
    background: #ffffff;
  }
  
  h2 {
    margin-bottom: 1.5rem;
  }
  
  /* CARDS */
  .card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
  }
  
  .card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
  }
  
  .card:hover {
    transform: translateY(-6px);
  }
  
  .muted {
    opacity: 0.6;
    font-size: 0.9rem;
  }
  
  /* TRY IT */
  textarea {
    width: 100%;
    min-height: 120px;
    padding: 1rem;
    font-size: 1rem;
    border-radius: 10px;
    border: 1px solid #ccc;
    resize: vertical;
  }
  
  button {
    margin-top: 1rem;
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.25s ease;
  }
  
  button:hover {
    background: #3b74d9;
    transform: translateY(-2px);
  }
  
  /* RESULTS */
  .results {
    margin-top: 2.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
  }
  
  .result-card {
    background: white;
    padding: 1.5rem;
    border-radius: 14px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    animation: fadeUp 0.6s ease;
  }
  
  .output {
    white-space: pre-wrap;
    margin-top: 1rem;
    font-size: 0.95rem;
  }
  
  .latency {
    display: block;
    margin-top: 0.8rem;
    font-size: 0.85rem;
    opacity: 0.6;
  }
  
  /* FOOTER */
  footer {
    padding: 2rem;
    text-align: center;
    font-size: 0.85rem;
    opacity: 0.6;
  }
  
  /* ANIMATIONS */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }
  
  @keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
  }

  .warning-section {
    padding-top: 0;
  }
  
  .warning-box {
    max-width: 900px;
    margin: 0 auto;
    background: linear-gradient(135deg, #fff4e5, #ffe8cc);
    border-left: 5px solid #ff9800;
    padding: 16px 20px;
    border-radius: 12px;
    color: #663c00;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
    animation: fadeIn 0.6s ease-in-out;
  }
  
  .warning-box p {
    margin-top: 8px;
    font-size: 0.95rem;
    line-height: 1.5;
  }
  
  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translateY(8px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }