/* ==========================
   Global Variables
   ========================== */
   :root {
    /* Colors */
    --color-bg: #f9f9f9;
    --color-text: #333333;
    --color-heading: #222222;
    --color-accent: #009739;
    --color-accent-hover: #1a1adf;
    --color-card-bg: #ffffff;
    --color-footer-text: #666666;
  
    /* Shadows */
    --shadow-light: 0 2px 5px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 12px rgba(0, 0, 0, 0.08);
  
    /* Layout */
    --max-width: 1200px;
    --border-radius: 12px;
  }
  
  /* ==========================
     Global Styles
     ========================== */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: Arial, Helvetica, sans-serif;
    color: var(--color-text);
    background-color: var(--color-bg);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
  }
  
  /* ==========================
     Header
     ========================== */
  header {
    background-color: var(--color-card-bg);
    box-shadow: var(--shadow-light);
  }
  
  header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
  }
  
  .logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-accent);
  }
  
  .nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
  }
  
  .nav-links a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    transition: color 0.2s ease;
  }
  
  .nav-links a:hover {
    color: var(--color-accent);
  }
  
  /* ==========================
     Main Content
     ========================== */
  main {
    flex: 1;
    display: flex;
    justify-content: center; /* horizontally center the content */
    align-items: flex-start; /* content starts at the top */
    padding: 2rem;
  }
  
  .content {
    text-align: center;
    max-width: 900px;
    background-color: var(--color-card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
  }
  
  .content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--color-heading);
  }

  /* Image styling inside main content */
  .content img {
    display: block;
    height: auto;
    margin: 1rem auto;
    border-radius: 8px;
  }
  
  /* Portrait-oriented images (height > width) */
  .content img.portrait {
    float: right;
    width: 50%;
    margin-left: 1rem;
  }
  
  /* Landscape-oriented images (width >= height) */
  .content img.landscape {
    width: 100%;
  }

  
  .content p {
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    text-align: left;
  }

  .content h3 {
    text-align: left;
  }
  
  .button {
    background-color: var(--color-accent);
    color: #ffffff;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    transition: background-color 0.2s ease;
  }
  
  .button:hover {
    background-color: var(--color-accent-hover);
  }
  
  /* ==========================
     Footer
     ========================== */
  footer {
    text-align: center;
    padding: 1rem 0;
    background-color: var(--color-card-bg);
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.05);
    font-size: 0.9rem;
    color: var(--color-footer-text);
  }