:root {
    --clr--Primary--BrightOrange: hsl(31, 77%, 52%);
    --clr--Primary--DarkCyan: hsl(184, 100%, 22%);
    --clr--Primary--VeryDarkCyan: hsl(179, 100%, 13%);

    --clr--Neutral--TransparentWhite--paragraphs: hsl(0, 0%, 100%, 0.75);
    --clr--Neutral--VeryLightGray--background-headings-buttons: hsl(0, 0%, 95%);

    --ff--LexendDeca: 'Lexend Deca', sans-serif;
    --fw--LexendDeca: 400;

    --ff--BigShouldersDisplay: 'Big Shoulders Display', sans-serif;
    --fw--BigShouldersDisplay: 700;
}


/* 1. Use a more-intuitive box-sizing model */
*, *::before, *::after {
    box-sizing: border-box;
  }
  
  /* 2. Remove default margin */
  * {
    margin: 0;
  }
  
  /* 3. Enable keyword animations */
  @media (prefers-reduced-motion: no-preference) {
    html {
      interpolate-size: allow-keywords;
    }
  }
  
  body {
    /* 4. Add accessible line-height */
    line-height: 1.5;
    /* 5. Improve text rendering */
    -webkit-font-smoothing: antialiased;
  }
  
  /* 6. Improve media defaults */
  img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
  }
  
  /* 7. Inherit fonts for form controls */
  input, button, textarea, select {
    font: inherit;
  }
  
  /* 8. Avoid text overflows */
  p, h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
  }
  
  /* 9. Improve line wrapping */
  p {
    text-wrap: pretty;
  }
  h1, h2, h3, h4, h5, h6 {
    text-wrap: balance;
  }
  
  /*
    10. Create a root stacking context
  */
  #root, #__next {
    isolation: isolate;
  }

  body {
    background-color: var(--clr--Neutral--VeryLightGray--background-headings-buttons);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    display: flex; 
    justify-content: center;
    align-items: center;
    padding: 2rem; 
    position: relative;
  }

  .container {
    display: grid;
    place-content: center;
    grid-template-rows: 26rem;
    grid-template-columns: 16.5rem 16.5rem 16.5rem;
    border-radius: 0.5rem;
    overflow: hidden;
  }

  .icon {
    width: 3rem;
  }

  .title {
    font-family: var(--ff--BigShouldersDisplay);
    font-weight: var(--fw--BigShouldersDisplay);
    color: var(--clr--Neutral--VeryLightGray--background-headings-buttons);
    font-size: 2rem;
    margin: 1rem 0rem;
  }

  .info {
    font-family: var(--ff--LexendDeca);
    font-weight: 300;
    font-size: 0.85rem;
    color: var(--clr--Neutral--TransparentWhite--paragraphs);
  }

  .btn {
    background-color: var(--clr--Neutral--VeryLightGray--background-headings-buttons);
    font-family: var(--ff--LexendDeca);
    margin-top: 5rem;
    margin-bottom: 2rem;
    padding: 0.6rem 1.5rem;
    border: none;
    border-radius: 2rem;
    font-size: 0.857rem;
    cursor: pointer;
  }  
  .btn-1 {
    color: var(--clr--Primary--BrightOrange);
  }
  .btn-1:hover {
    background-color: var(--clr--Primary--BrightOrange);
    color: var(--clr--Neutral--VeryLightGray--background-headings-buttons);
    border: solid 0.16rem;
  }

  .btn-2 {
    color: var(--clr--Primary--DarkCyan);
  }
  .btn-2:hover {
    background-color: var(--clr--Primary--DarkCyan);
    color: var(--clr--Neutral--VeryLightGray--background-headings-buttons);
    border: solid 0.16rem;
  }

  .btn-3 {
    color: var(--clr--Primary--VeryDarkCyan);
  }
  .btn-3:hover {
    background-color: var(--clr--Primary--VeryDarkCyan);
    color: var(--clr--Neutral--VeryLightGray--background-headings-buttons);
    border: solid 0.16rem;
  }

  .item-1 {
    grid-row: 1 / 1;
    grid-column: 1 / 2;
    padding: 2.5rem;
    background-color: var(--clr--Primary--BrightOrange);
  }

  .item-2 {
    grid-row: 1 / 1;
    grid-column: 2 / 3;
    padding: 2.5rem;
    background-color: var(--clr--Primary--DarkCyan);
  }

  .item-3 {
    grid-row: 1 / 1;
    grid-column: 3 / 4;
    padding: 2.5rem;
    background-color: var(--clr--Primary--VeryDarkCyan);
  }

  footer {
    bottom: 0;
    position: absolute;
  }

  @media (max-width: 45rem){
    .container {
      grid-template-columns: 1fr; 
      grid-template-rows: auto auto auto; 
      width: 19rem; 
      line-height: 1.5rem;
    } 

    .title { padding: 1.5rem 0rem; }

    .btn { margin-top: 2.5rem; }

    .item-1 { 
      grid-column: 1 / 2; 
      grid-row: 1 / 2; 
      padding: 2.5rem; 
      height: 25rem; 
    } 

    .item-2 { 
      grid-column: 1 / 2; 
      grid-row: 2 / 3; 
      padding: 2.5rem;
      height: 25rem; 
    } 

    .item-3 { grid-column: 1 / 2; 
      grid-row: 3 / 4; 
      padding: 2.5rem; 
      height: 25rem;  } 
    }