/* 1. CSS Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  /* 2. Base Font Settings */
  html {
    font-family: 'Arial', sans-serif; /* You can replace this later */
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  
  /* 3. Body Defaults */

  body {
    /* Background & text color placeholders */
    background-color: black; /* Placeholder */
    color: #f2f2f2; /* Placeholder */
    display: grid;
    grid-template-columns: repeat(12, 1fr);  /* 12 equal columns */
    /* This is what make the header, main, and footer able to display in 12 columns grids. */ 
    gap: 1rem;  /* Optional: space between columns */
    min-height: 100vh; /* Ensure body covers the full height of the viewport */
  }

  /* 4. Headings & Paragraphs */
  h1 {
    font-size: 3rem;
    font-weight: 700;
  }
  h2 {
    font-size: 2.25rem;
    font-weight: 600;
  }
  h3 {
    font-size: 1.75rem;
    font-weight: 600;
  }
  h4 {
    font-size: 1.5rem;
    font-weight: 600;
  }
  h5 {
    font-size: 1.25rem;
    font-weight: 600;
  }
  h6 {
    font-size: 1rem;
    font-weight: 600;
  }
  p {
    font-size: 1rem;
    font-weight: 400;
    margin-bottom: 1rem;
  }
  
  /* 5. Links */
  a {
    color: #004080;            /* Default link color */
    text-decoration: none;
    transition: color 0.3s ease;
  }
  
  a:hover {
    color: #ff9900;            /* Hover color */
    text-decoration: underline;
  }
  
  /* 6. Buttons */
  button {
    font: inherit;
    padding: 0.5rem 1rem;
    border: none;
    cursor: pointer;
  }
  
  /* 7. Images and Media */
  img {
    max-width: 50%;
    height: auto;
  }
  
  /* 8. Forms (Optional, minimal) */
  input, textarea {
    font: inherit;
  }

  /* 9. Form Elements (optional for now) */
    /* Basic font styling for input, textarea, etc. */

  /* 10. Utility Classes (optional, can add later) */
    /* For common text alignment, spacing, etc. */

  /* 11. Layout (Flexbox/Grid) */
  
  header {
    display: grid;
    /* grid-template-columns: repeat(12, 1fr); */
    grid-row: 1;
    grid-column-start: 2;
    grid-column-end: 12;
    justify-content: center;
    padding-block: 1rem;
  }

  main {
    display: grid;
    grid-row-start: 2;
    grid-column-start: 2;
    grid-column-end: 12;
    text-align: center;
  }

  footer {
    display: grid;
    grid-row: 3;
    grid-column-start: 2;
    grid-column-end: 12;
    justify-content: center;
  }

  main ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  
  main a {
    text-decoration: underline;
    color: inherit; /* or pick your desired color */
  }
  
  header nav ul {
    display: flex; /* Make the inside of the header nav bar unordered list display in 1 line*/
    gap: 1rem;
    list-style: none;
  }
  
  header nav a {
    text-decoration: underline;
    color: inherit; /* or pick your desired color */
  }
  
  .header {
    background-color: blue;
    color: bisque;
  }

  .footer {
    background-color: beige;
    color: black;
  }