/* THEME */
:root {
  --grid-unit: 1rem;
  --border-radius-base: 0.5rem;
}

[data-theme="light"] {
  --color-bg: #f9f9f9;
  --color-fg: #333;
  --color-nav: #333;
  --color-navText: #f9f9f9;
  --color-foot: #eaeaea;
  --color-head: #eaeaea;
  --color-cvd: #454545;
  --color-cvline: #ccc;
  --color-link: #0077cc;
  --color-linkVisited: #551a8b;
  --color-linkHover: #005fa3;
  --color-blogPrevBorder: #ddd;
  --color-blogPrevShadow: #0000001a;
}

[data-theme="dark"] {
  --color-bg: #0c1001;
  --color-fg: #e1e1d9;
  --color-nav: #192b07;
  --color-navText: #e1d9d9;
  --color-foot: #0f1b01;
  --color-head: #0c1001;
  --color-cvd: #c2c2b9;
  --color-cvline: #233a01;
  --color-link: #baeabd;
  --color-linkVisited: #a896b7;
  --color-linkHover: #8ebb8b;
  --color-blogPrevBorder: #354336;
  --color-blogPrevShadow: #354336b2;
}

[data-theme-toggle] {
  position: absolute;
  top: 2%;
  right: 0%;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  color: var(--color-fg);
  transition: transform 0.3s ease;
}


body {
  font-family: 'Quicksand', sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--color-bg);
  color: var(--color-fg);
  font-size: 18px;
}

button {
  font-size: 2rem;
  font-weight: bold;
  padding: 0.5rem 1rem;
  transition: all var(--global-transition-time) ease-in-out;
  border-radius: 2rem;
  cursor: pointer;
  color: var(--color-fg);
  background-color: var(--color-bg);
  border: 0.25rem solid var(--color-fg);
}


/* LINKS */
a.link {color: var(--color-link);
  text-decoration: none;}
a.link:visited {color: var(--color-linkVisited);}
a.link:hover {color: var(--color-linkHover);
  text-decoration: underline;}


/* TEXT */
  
  h1, h2, h3 {
    font-family: 'Libre Baskerville';
    text-transform: uppercase;
  }  

  h1, h3 {
    font-size: 30px;
  }

  h2 {
    font-size: 46px;
  }

  
  h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;    
    height: 1px; 
    background-color: var(--color-fg);
    transition: width 1s ease-out;
  }

  h2::after{
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    background-color: var(--color-fg);
    transition: width 1s ease-out;
  }
  
  h3.visible::after, h2.visible::after {
    width: 100%;
  }
  

  header {
    text-align: center;
    padding: 2rem;
    background-color: var(--color-head);
  }
  
  nav {
    background-color: var(--color-nav);
    padding: 1rem;
    position: relative;
    z-index: 9999;
  }
  
  nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 0;
    padding: 0;
  }
  
  nav a {
    color: var(--color-navText);
    text-decoration: none;
    display: inline-block;
    position: relative;
    z-index: 10000;
    pointer-events: auto;
  }
  
  nav a:hover {
    font-weight: bold;
  }
  
  main {
    padding: 2rem;
    max-width: 800px;
    margin: auto;
  }
  
  section {
    margin-bottom: 3rem;
  }
  
  footer {
    text-align: center;
    padding: 1rem;
    background-color: var(--color-foot);
  }
  
  .fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  }
  
  .fade-up.visible {
    opacity: 1;
    transform: translateY(0);
  }

  a.link {
    text-decoration: none;
  }
  a.link:hover {
    text-decoration: underline;
  }
  
  /* ICONS */
  .social-icons a {
    color: var(--color-fg);
    transition: color 0.3s ease;
    margin: 0 8px;
    height: 1em;  
    width: auto;  
    vertical-align: middle;
  }

  .social-icons a.linkedin:hover { color: #0a66c2; }
  .social-icons a.researchgate:hover { color: #40ba9b; }
  .social-icons a.github:hover { color: #8b30a7; }
  .social-icons a.bluesky:hover { color: #1185fe; }
  .social-icons a.google-scholar:hover { color: #4084f2; }
  .social-icons a.orcid:hover { color: #a6ce39; }
  .social-icons a.envelope:hover { color: #7d8a88}

  .osf svg .osf-blue, .osf svg .osf-dark {fill: var(--color-fg); transition: fill 0.3s ease; }  
  a.osf svg {vertical-align: middle;}
  .osf:hover svg .osf-blue { fill: #37b7e9; }
  .osf:hover svg .osf-dark { fill: #383435; }

  .google-scholar svg .gs-dark, .google-scholar svg .gs-darkest, .google-scholar svg .gs-lightest, .google-scholar svg .gs-light{fill: var(--color-fg); transition: fill 0.3s ease;}
  .google-scholar:hover svg .gs-dark {fill: #4285f4}
  .google-scholar:hover svg .gs-darkest {fill: #356ac3}
  .google-scholar:hover svg .gs-lightest {fill: #a0c3ff}
  .google-scholar:hover svg .gs-light {fill: #76a7fa}

  .python-svg .py-part-blue, .python-svg .py-part-yellow {  fill: var(--color-fg); transition: fill 0.3s ease; }
  .python-logo:hover .py-part-blue { fill: #4584b6;}
  .python-logo:hover .py-part-yellow { fill: #ffde57;}

  .R-svg .R-logo-back, .R-svg .R-logo-R {fill: var(--color-fg); transition: fill 0.3s ease;}
  .R-svg:hover .R-logo-back {fill: #cbced0;}
  .R-svg:hover .R-logo-R {fill: #276dc3}

  .social-icons a.javascript-logo:hover {color: #f7df1e}
  .social-icons a.css-logo:hover {color: #663399}

  .fa-brain:hover {color: #f9b5b5}

  /* CONTACT HIGHLIGHT */ 
  .social-icons a.envelope.ripple { color: #7d8a88}
  .social-icons a.linkedin.ripple { color: #0a66c2; }
  .social-icons a.researchgate.ripple { color: #40ba9b; }
  .social-icons a.github.ripple { color: #8b30a7; }
  .social-icons a.bluesky.ripple { color: #1185fe; }
  .social-icons a.orcid.ripple { color: #a6ce39; }
  .social-icons a.google-scholar.ripple svg .gs-dark { fill: #4285f4 }
  .social-icons a.google-scholar.ripple svg .gs-darkest { fill: #356ac3 }
  .social-icons a.google-scholar.ripple svg .gs-lightest { fill: #a0c3ff }
  .social-icons a.google-scholar.ripple svg .gs-light { fill: #76a7fa }
  .social-icons a.osf.ripple svg .osf-blue { fill: #37b7e9; }
  .social-icons a.osf.ripple svg .osf-dark { fill: #383435; }



  /* ABOUT */
  .mt {
    display: flex;
    flex-basis: 0;
  }

  .mt > * {
    flex: 100%;
    align-items: center;
  }

  .mt .about-cn {
    padding-right: 2.5%
  }

  .mt .about-other {
    padding-left: 2.5%
  }

  .mt .about-ds {
    padding-right: 2.5%
  }

  .mt .about-pp {
    padding-left: 2.5%
  }



  /* CV DETAILS */
  .cv-header {
    cursor: pointer;
  }
  .cv-details {
    font-size: 16px;
    max-height: 0;
    opacity: 0;   
    overflow: hidden;
    margin-left: 15px;
    color: var(--color-cvd);
    position: relative;
  }
  
  .cv-entry.active .cv-details{
    display: block;
    opacity: 100%;
    max-height: none;
    overflow: visible;
  }

  .cv-details::after {
    content: '';
    position: absolute;
    bottom: -1.5rem;
    left: 50%;       
    width: 0;       
    height: 1px;
    background-color: var(--color-cvline);
    transform: translateX(-50%);
    transition: width 0.8s ease-out;
  }
  .cv-entry.active .cv-details::after {
    width: 100%; 
  }


  /* BLOG */
  #blog {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
  }

  .blogPreview {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    width: 100%;
    align-items: flex-start;
    gap: 1rem;
    border: solid var(--color-blogPrevBorder) 1px;
    border-radius: 0.5rem;
    overflow: hidden;
    transition: box-shadow 0.3s ease;
  }

  .blogPreview > * {
    flex: 3 1;
    align-items: center;
  }
  
  .blogPreview:hover {
    box-shadow: 0 4px 12px var(--color-blogPrevShadow);
  }
  
  .blogPreview a {
    display: flex;
    justify-content: space-between;
    text-decoration: none;
    color: inherit;
  }
  
  .blogContent {
    flex: 3;
    padding: 1rem;
    flex-direction: column;
  }
  
  .blogThumb {
    display: inline-block;
    flex: 1;
    width: 200px;
    height: fit-content;
    object-fit: cover;
    border-radius: 8px;
    margin: 1rem;
  }
  
  .blogTitle {
    margin: 0 0 0.5rem;
  }
    
  .blogDate {
    font-size: 0.9rem;
    margin: 0 0 1rem;
  }
  
  .blogExcerpt {
    margin: 0 0 1rem;
    flex: 1;
  }
  
  .blogAbstract {
    display: none;
  }
  
  .blogThumbImg {
    display: none;
  }