:root {
    --primary-color: hsl(0, 0%, 58%);
    --secondary-color: hsl(170, 44%, 69%); 
    --background-color: hsl(0, 0%, 7%);
    --text-color: hsl(0, 0%, 88%);
    --text-muted-color: hsl(240, 5%, 65%); 
    --text-year:  hsla(0, 0%, 96%, 0.799);
    --text-darker-muted-color: hsl(240, 4%, 46%); 
    --icon-color: hsl(240, 5%, 65%);
    --icon-active-color: hsl(240, 5%, 84%); 
    --container-bg-alpha: hsla(240, 4%, 16%, 0.8);
    --container-bg-alpha-medium: hsla(240, 4%, 16%, 0.01);
    --container-bg-alpha-light: hsla(240, 5%, 26%, 0.5);
    --hover-bg-alpha: hsla(0, 0%, 100%, 0.03);
    --hover-bg-icon-alpha: hsla(0, 0%, 100%, 0.1);
    --custom-box-shadow:  0 30px 60px rgba(0, 0, 0, 0.12);
    --border-color-alpha: hsla(0, 0%, 100%, 0.05);
    --border-radius-default: 8px;
    --border-radius-round: 50%;
    --border-radius-pill: 9999px;
  }



  /* Base Styles */
  html {
    scrollbar-gutter: stable;
  }

  body {
    font-family: var(--font-dennis-sans);
    background-color: var(--background-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
    user-select: none;
    scrollbar-gutter: stable;
  }
  



  /* Header Styles */
  #page-header {
    padding: 2rem 1.5rem;
  }

  #page-header .btn-text {
    color: #ffffff;
  }
  @media (min-width: 768px) {
    #page-header {
      padding: 2rem 3rem;
    }
  }
  @media (min-width: 1024px) {
    #page-header {
      padding: 2rem 6rem;
    }
  }

 
  /* Main Content Styles */
  #main-content {
    flex-grow: 1;
    padding: 2rem 1.5rem;
  }
  @media (max-width: 760px) {
    #main-content {
      padding: 2rem 3rem;
    }

    .project-description{
      display: none;
    }

  }
  @media (min-width: 1024px) {
    #main-content {
      padding: 2rem 6rem;
    }
  }

  .main-content-wrapper {
    display: flex;
    flex-direction: column;
    position: relative;
    min-height: 100vh;
    max-width: 720px; 
    padding: 0 24px 120px 24px;
    margin: 0 auto;
  }

  .projects-header { 
    margin-bottom: 3rem;
  }

  #projects-section-subtitle {
    color: var(--text-muted-color);
    margin-top: 0;
    margin-bottom: 0;
    word-spacing: 3px;
  }

  a{
  text-decoration: none!important;
  background-color: transparent;
}




  .project-item {
    transition: background-color 0.2s ease;
    padding: 1.5rem 0.5rem; 
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer; 
    position: relative;
  }

  .project-item:hover {
    border-radius: 1rem;
    background-color: var(--hover-bg-alpha);
  }
 
  .project-title { 
    margin-top: 0;
    color: var(--text-color);
  }

  .project-description { 
    color: var(--text-muted-color);
    margin-top: 0;
    margin-bottom: 0;
    font-size: 0.875rem; 
  }

  .divider{
    width: 100%;
    /* background-attachment: scroll; */
    flex: 1 1 0%;
    position: relative;
    border: 1px solid var(--border-color-alpha);
    margin: 0 5px -10px 5px;
  }
 
  .divider::after{
    content: "";
    position: absolute;
    bottom: -5rem;
    height: 1px;
    width: 10px;
    z-index: 3;
  }
  

  .project-year { 
    color: var(--text-year);
    font-size: 0.875rem;
    white-space: nowrap; 
    margin-left: 1rem; 
  }

 
  #page-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    z-index: 999;
    pointer-events: none;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    background-color: var(--container-bg-alpha-medium);
  }

  @media (max-width: 640px){
   .footer-nav-container{
      width: max-content;
      overflow-x: auto;
   }
   
  }


  /* style the horizontal scroll */
  .footer-nav-container { 
    border: .5px solid var(--primary-color);
    background: var(--background-color);
    border-radius: var(--border-radius-pill);
    padding: .3rem; 
    display: flex;
    align-items: center;
    gap: .47rem; 
    z-index: 999;
    pointer-events: auto;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }


  
.nav-icon {
  width: 2.75rem; 
  height: 2.75rem;
  border-radius: var(--border-radius-round);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgb(26, 25, 25);
  border: none;
  cursor: pointer;
  padding: 0; 
  color: white;  
  filter: drop-shadow(0 20px 13px rgb(0 0 0 / 0.03)) drop-shadow(0 8px 5px rgb(0 0 0 / 0.08));
  position: relative;      
  transition-property: padding,background-color ,color;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); 
  transform-origin: bottom;
  transition-duration: 700ms;
  z-index: 9999;
}



/* tooltip code  */
.tooltip-text {
  position: absolute; 
  opacity: 0;        
  bottom: 50%; 
  left: 50%;
  transform: translateX(-50%) translateY(10px); 
  margin-bottom: 3px;   
  white-space: nowrap; 
  transition-property: opacity, transform, color;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 700ms;
  background-color: var(--background-color);
  border: 1px solid var(--primary-color);
  border-radius: calc(var(--border-radius-default) - 3px);
  font-size: .7rem;  
  padding: .3rem;
}

.nav-icon:hover .tooltip-text {
  opacity: 1;                            
  transform: translateX(-50%) translateY(-2.5rem); 
  z-index: 999;
}