/*=============== GOOGLE FONTS ===============*/
@import url('https://fonts.googleapis.com/css2?family=Rubik:wght@400;500;600;700&display=swap');

/*=============== VARIABLES CSS ===============*/
:root {
    --header-height: 3.5rem; /*56px*/
    --nav-offset: 0.75rem;
  
    /*========== Colors ==========*/
    /*Color mode HSL(hue, saturation, lightness)*/
    --primary-color-hue:202;
    --dark-color-lightness:17%;
    --light-color-lightness:92%;
    --white-color-lightness:100%;

    --color-white: hsl(252, 30%, var(--white-color-lightness));
    --color-light: hsl(252, 30%, var(--light-color-lightness));
    --color-gray: hsl(228, 16%, 46%);
    --color-primary: hsl(var(--primary-color-hue), 75%, 60%);
    --color-dark: hsl(252, 30%, var(--dark-color-lightness));
    --bg-blob-1: 0.08;
    --bg-blob-2: 0.06;
    --glass-surface: linear-gradient(145deg, hsla(var(--primary-color-hue), 75%, 60%, 0.12), hsla(var(--primary-color-hue), 75%, 60%, 0.06)),
                     linear-gradient(135deg, rgba(255,255,255,0.96), rgba(255,255,255,0.86));
    --glass-border: 1px solid rgba(0, 0, 0, 0.04);
    --glass-shadow: 0 15px 40px rgba(0,0,0,0.08), 0 0 0 1px rgba(255,255,255,0.32) inset;
    --glass-strong-shadow: 0 24px 60px rgba(0,0,0,0.14), 0 0 0 1px rgba(255,255,255,0.45) inset;
  
    /*========== Font and typography ==========*/
    /*.5rem = 8px | 1rem = 16px ...*/
    --body-font: 'Rubik', sans-serif;
    --h1-font-size: 2.25rem;
    --h2-font-size: 1.75rem;
    --h3-font-size: 1.25rem;
    --normal-font-size: 1rem;
    --small-font-size: .875rem;
  
    /*========== Font weight ==========*/
    --font-medium: 400;
    --font-semi-bold: 600;
  
    /*========== Margenes Bottom ==========*/
    /*.5rem = 8px | 1rem = 16px ...*/
    --m-0-5: .5rem;
    --m-0-75: .75rem;
    --m-1: 1rem;
    --m-1-5: 1.5rem;
    --m-2: 2rem;
    --m-2-5: 2.5rem;
  
    /*========== Card padding ==========*/
    --card-padding:1.9rem 0.95rem;

    /*========== Border radius ==========*/
    --border-radius: 1.25rem;

    /*========== Box shadow ==========*/
    --box-shadow: 0px 5px 20px 0px rgba(69, 67, 96, 0.1);
  }
    /*========== Scroll Bar ==========*/
    ::-webkit-scrollbar
    {
      width: 0.6rem;
      background: var(--color-white);
    }
    ::-webkit-scrollbar-thumb
    {
      background: var(--color-primary);
      border-radius: .5rem;
    }
    /*========== Responsive Typography ==========*/
   @media screen and (max-width:992px)
   {
     :root 
     {
     --h1-font-size: 1.75rem;
     --h2-font-size: 1.5rem;
     --h3-font-size: 1rem;
     --normal-font-size: .938rem;
     --small-font-size: .813rem;
     }
   }
   /*========== Base ==========*/
   *
   {
     margin: 0;
     padding: 0;
     box-sizing: border-box;
   }
   html
   {
     scroll-behavior: smooth;
   }
   body,
   button,
   input,textarea
   {
     font-family: var(--body-font);
     font-size: var(--normal-font-size);
   }
   body
   {
     background:
      radial-gradient(circle at 18% 18%, hsla(var(--primary-color-hue), 75%, 60%, var(--bg-blob-1)), transparent 32%),
      radial-gradient(circle at 82% 6%, hsla(var(--primary-color-hue), 75%, 60%, var(--bg-blob-2)), transparent 34%),
      var(--color-light);
     color: var(--color-dark);
     line-height: 1.7;
     font-weight: var(--font-medium);
   }
   img
   {
     max-width: 100%;
     height: auto;
     vertical-align: middle;
   }
   ul
   {
     list-style: none;
   }
   a
   {
     text-decoration: none;
     color: var(--color-dark);
   }
   h1,h2,h3
   {
     font-weight: var(--font-semi-bold);
   }
   h1
   {
     font-size: var(--h1-font-size);
   }
   h2
   {
     font-size: var(--h2-font-size);
   }
   h3
   {
     font-size: var(--h3-font-size);
   }
   
   .h4 {
    font-size: 1rem;
   }

   /*=========== Terminal ========*/
   .terminal {
    font-family: "Source Code Pro", "Monaco", "Courier New", monospace;
    font-weight: 400;
    font-size: 1.05rem;
    line-height: 1.55rem;
    width: min(960px, 100%);
    margin: 0 auto 1.25rem;
    color: var(--color-dark);
    position: relative;
    background: var(--glass-surface);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 1.25rem;
    padding: 1.2rem 1.2rem 1.4rem;
    backdrop-filter: blur(8px);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
  }
  
  .terminal__task-bar {
    height: 2rem;
    padding: 0 0.85rem;
    border-radius: 0.85rem;
    background: rgba(255,255,255,0.82);
    border: 1px solid rgba(0,0,0,0.04);
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    box-shadow: inset 0 -1px 0 rgba(0,0,0,0.04);
  }  
  
  .terminal__window {
    min-height: 17.5rem;
    border-radius: 0.9rem;
    background: linear-gradient(150deg, hsla(var(--primary-color-hue), 75%, 60%, 0.14), hsla(var(--primary-color-hue), 75%, 60%, 0.28));
    margin: 0.9rem auto 0;
    padding: 1.25rem;
    color: var(--color-dark);
    box-shadow: inset 0 0 0 1px hsla(var(--primary-color-hue), 75%, 60%, 0.2);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .terminal__window p {
    margin: 0;
  }
  
  .terminal__prompt {
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
    min-width: 0;
  }
  
  .terminal__symbol {
    color: var(--color-primary);
    font-weight: var(--font-semi-bold);
    letter-spacing: 0.01em;
    line-height: 1;
  }
  
  .terminal__label {
    font-weight: var(--font-semi-bold);
    color: var(--color-dark);
    flex-shrink: 0;
  }

  .terminal__prompt--mail {
    align-items: baseline;
    flex-wrap: wrap;
    row-gap: 0.35rem;
  }
  
  .terminal__window--highlight {
    color: var(--color-primary);
    font-weight: var(--font-semi-bold);
    overflow-wrap: anywhere;
    word-break: break-word;
    min-width: 0;
  }
  
  .terminal__circle {
    position: relative;
    display: inline-block;
    width: 0.75rem;
    height: 0.75rem;
    margin-right: -0.1875rem;
    border-radius: 50%;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
  }
  
  .terminal__circle--red {
    background-color: #fb574e;
  }
  
  .terminal__circle--yellow {
    background-color: #fbbd2e;
  }
  
  .terminal__circle--green {
    background-color: #51e05d;
  }
  
  .terminal__prompt--checkout,
  .terminal__prompt--show-contact,
  .terminal__prompt--mail {
    opacity: 0;
  }
  
  .terminal.is-animating .terminal__prompt--checkout,
  .terminal.is-animating .terminal__prompt--show-contact,
  .terminal.is-animating .terminal__prompt--mail {
    animation: terminal-line 0.5s ease forwards;
  }
  
  .terminal.is-animating .terminal__prompt--checkout {
    animation-delay: 3.75s;
  }
  
  .terminal.is-animating .terminal__prompt--show-contact {
    animation-delay: 5s;
  }
  
  .terminal.is-animating .terminal__prompt--mail {
    animation-delay: 7s;
  }
  
  .terminal__prompt--typing {
    position: relative;
    display: inline-block;
    overflow: hidden;
    white-space: nowrap;
    z-index: 0;
    flex: 1;
    min-width: 0;
    clip-path: inset(0 100% 0 0);
  }
  
  .terminal.is-animating .terminal__prompt--typing {
    animation: typewriter var(--type-duration, 4s) var(--type-timing, cubic-bezier(0.45, 0, 0.25, 1)) var(--type-delay, 0s) forwards;
  }
  
  /*======== FLOATING BUTTONS =========*/
  .ul1 {
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding-top: 1.5rem;
    margin: 0;
    position: relative;
    z-index: 1;
  }
  
  .ul1 .li1 {
    list-style: none;
  }
  .ul1 .li1 .fa {
    font-size: 26px;
    color: inherit;
    line-height: 1;
    transition: inherit;
  }
  .ul1 .li1 a {
    position: relative;
    display: inline-flex;
    width: 54px;
    height: 54px;
    align-items: center;
    justify-content: center;
    background: var(--glass-surface);
    text-align: center;
    border-radius: 16px;
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease, color 0.25s ease;
    color: var(--color-dark);
  }
  .ul1 .li1 a::before,
  .ul1 .li1 a::after {
    display: none;
  }
  .ul1 .li1 a:hover {
    transform: translateY(-4px);
    box-shadow: var(--glass-strong-shadow);
    color: var(--color-primary);
  }
  
  @keyframes typewriter {
    to {
      clip-path: inset(0 0 0 0);
    }
  }
  
  @keyframes terminal-line {
    from {
      opacity: 0;
      transform: translateY(4px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
    /*========== Layout ==========*/
    .container
    {
      max-width: 968px;
      margin: auto;
    }
    .row 
    {
      display: flex;
      flex-wrap: wrap;
    }
    /*========== Reusable css classes ==========*/
    .section .container
    {
      padding-top: 3.90rem;
      padding-bottom: 4.75rem;
    }
    .section-title
    {
      font-size: var(--h1-font-size);
      margin-left: var(--m-0-75);
      margin-bottom: var(--m-2-5);
    }
    .padd-15
    {
      padding-left: 15px;
      padding-right: 15px;
    }
    /*========== Shared Surfaces ==========*/
    .glass-panel
    {
      padding: var(--card-padding);
      border-radius: var(--border-radius);
      background: var(--glass-surface);
      border: var(--glass-border);
      box-shadow: var(--glass-shadow);
      backdrop-filter: blur(8px);
    }
    .pill
    {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      padding: 0.35rem 0.85rem;
      border-radius: 999px;
      background: hsla(var(--primary-color-hue), 75%, 60%, 0.12);
      border: 1px solid hsla(var(--primary-color-hue), 75%, 60%, 0.22);
      color: var(--color-dark);
      font-size: 0.9rem;
      letter-spacing: 0.01em;
      box-shadow: 0 10px 26px rgba(0,0,0,0.05);
    }
    .pill .dot
    {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--color-primary);
      box-shadow: 0 0 0 6px hsla(var(--primary-color-hue), 75%, 60%, 0.1);
    }
    /*========== Buttons ==========*/
    .btn 
    {
      padding: 0.75rem 2rem;
      line-height: 1;
      border-radius: var(--border-radius);
    }
    .btn:focus
    {
      outline: 0;
    }
    @keyframes button-push
    {
      50%
      {
        transform: scale(0.8);
      }
      100%
      {
        transform: scale(1);
      }
    }
    .btn-default
    {
      color: var(--color-dark);
      vertical-align: middle;
      display: inline-block;
      background: linear-gradient(120deg, hsla(var(--primary-color-hue), 75%, 60%, 0.22), hsla(var(--primary-color-hue), 75%, 60%, 0.32));
      border: 1px solid hsla(var(--primary-color-hue), 75%, 60%, 0.35);
      box-shadow: 0 14px 30px hsla(var(--primary-color-hue), 75%, 60%, 0.25);
      transform: translateY(0);
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }
    .btn-default:hover
    {
      transform: translateY(-2px);
      box-shadow: 0 18px 38px hsla(var(--primary-color-hue), 75%, 60%, 0.3);
    }
    
    /*========== Header ==========*/
    .header
    {
      width: 100%;
      position: fixed;
      top: var(--nav-offset);
      left: 0;
      right: 0;
      z-index: 100;
      background: transparent;
      border-bottom: 0;
    }
    /*========== NAV ==========*/
    .nav
    {
      height: calc(var(--header-height) + 1.5rem);
      display: flex;
      justify-content: space-between;
      align-items: center;
      column-gap: 2rem;
      padding: 0 1.1rem;
      background: var(--glass-surface);
      border: var(--glass-border);
      box-shadow: var(--glass-shadow);
      border-radius: calc(var(--border-radius) * 0.85);
      backdrop-filter: blur(14px);
      transition: box-shadow 0.25s ease, transform 0.25s ease, background 0.25s ease;
    }
    .nav-logo
    {
      display: inline-flex;
      align-items: center;
      gap: 0.45rem;
      font-size: var(--h2-font-size);
      font-weight: var(--font-semi-bold);
      letter-spacing: 0.08rem;
      position: relative;
      padding: 0.25rem 1.5rem 0.25rem 0.75rem;
      border-radius: 999px;
      background: hsla(var(--primary-color-hue), 75%, 60%, 0.12);
      border: 1px solid hsla(var(--primary-color-hue), 75%, 60%, 0.22);
      box-shadow: 0 12px 26px rgba(0,0,0,0.07);
      color: var(--color-dark);
      white-space: nowrap;
      transition: box-shadow 0.25s ease, transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
    }
    .nav-logo:hover
    {
      transform: translateY(-1px);
      background: hsla(var(--primary-color-hue), 75%, 60%, 0.16);
      border-color: hsla(var(--primary-color-hue), 75%, 60%, 0.28);
      box-shadow: var(--glass-strong-shadow);
    }
    .nav-logo h2
    {
      margin: 0;
      line-height: 1.1;
    }
    .nav-logo::after
    {
      position: absolute;
      content: '';
      width: 0.4rem;
      height: 0.4rem;
      border-radius: 50%;
      background-color: var(--color-primary);
      top: 50%;
      right: 0.55rem;
      transform: translateY(-50%);
      box-shadow: 0 0 0 6px hsla(var(--primary-color-hue), 75%, 60%, 0.18);
    }
    .nav-menu
    {
      margin-left: auto;
      display: flex;
      align-items: center;
    }
    .nav-list
    {
      display: flex;
      align-items: center;
      column-gap: 1.1rem;
    }
    .nav-panel-header,
    .nav-panel-footer
    {
      display: none;
    }
    .nav-link
    {
      font-weight: var(--font-medium);
      letter-spacing: 0.02em;
      display: inline-flex;
      align-items: center;
      padding: 0.55rem 0.95rem;
      border-radius: 999px;
      transition: .25s ease;
      color: var(--color-dark);
      background: transparent;
      position: relative;
      isolation: isolate;
    }
    .nav-link:hover
    {
      color: var(--color-dark);
      background: hsla(var(--primary-color-hue), 75%, 60%, 0.12);
      box-shadow: 0 10px 20px rgba(0,0,0,0.06);
    }
    .nav-close
    {
      font-size: 1rem;
      position: absolute;
      top: 1rem;
      right: 1.25rem;
      cursor: pointer;
    }
    .nav-btns
    {
      display: inline-flex;
      align-items: center;
      column-gap: 1rem;
    }
    .change-theme
    {
      font-size: 1.15rem;
      cursor: pointer;
    }
    .nav-toggle
    {
      font-size: 1.2rem;
      cursor: pointer;
    }
    .nav-close,
    .nav-toggle
    {
      display: none;
    }
    .active-link
    {
      position: relative;
    }
    .active-link::before
    {
      content: "";
      position: absolute;
      inset: 0;
      border-radius: 999px;
      background: hsla(var(--primary-color-hue), 75%, 60%, 0.16);
      box-shadow: 0 14px 26px rgba(0,0,0,0.08);
      z-index: -1;
    }
    .scroll-header
    {
      box-shadow: none;
    }
    .scroll-header .nav
    {
      box-shadow: var(--glass-strong-shadow);
    }
    /*========== Home ==========*/
    .home
    {
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100vh;
      padding: calc(var(--header-height) + 1.5rem) 1.25rem 5rem;
      position: relative;
      overflow: hidden;
    }
    .home::before,
    .home::after
    {
      content: '';
      position: absolute;
      filter: blur(60px);
      z-index: 0;
      opacity: 0.45;
    }
    .home::before
    {
      width: 320px;
      height: 320px;
      background: hsla(var(--primary-color-hue), 75%, 60%, 0.4);
      top: 10%;
      left: -8%;
    }
    .home::after
    {
      width: 240px;
      height: 240px;
      background: hsla(var(--primary-color-hue), 75%, 60%, 0.25);
      bottom: 8%;
      right: -6%;
    }
    .home .container
    {
      position: relative;
      z-index: 1;
    }
    .home .intro
    {
      max-width: 540px;
      text-align: center;
    }
    .home .intro img
    {
      margin-bottom: var(--m-1);
    }
    .home .intro .social-icons
    {
      margin-top: var(--m-1-5);
      margin-bottom: var(--m-2);
    }
    .home .intro .social-icons li
    {
      display: inline-block;
    }
    .home .intro .social-icons li:not(:last-child)
    {
      margin-right: var(--m-1-5);
    }
    .home .intro .social-icons a
    {
      font-size: var(--h3-font-size);
    }
    .scroll-down
    {
      position: absolute;
      bottom: var(--m-2-5);
      left: 0;
      width: 100%;
    }
    .mouse-wrapper
    {
      font-size: var(--small-font-size);
      display: block;
      margin: auto;
      max-width: 100px;
      text-align: center;
    }
    @keyframes ani-mouse
    {
      0%
      {
        top: 29%;
      }
      15%
      {
        top: 50%;
      }
      50%
      {
        top: 50%;
      }
      100%
      {
        top: 29%;
      }
    }
    .mouse 
    {
      border: 2px solid var(--color-dark);
      display: block;
      height: 1.75rem;
      width: 1.25rem;
      margin: auto;
      margin-top: var(--m-0-75);
      border-radius: var(--border-radius);
      position: relative;
    }
    .mouse .wheel 
    {
      background-color: var(--color-dark);
      border-radius: 50%;
      width: 0.25rem;
      height: 0.25rem;
      position: absolute;
      top: var(--m-0-5);
      left: 40%;
      display: block;
      animation: ani-mouse 2s linear infinite;
    }
    /*========== About ==========*/
    .about-img
    {
      flex: 0 0 25%;
      max-width: 25%;
    }
    .about-content
    {
      
      max-width: 100%;
    }
    .about-content .about-text,
    .about-content .skills
    {
      flex: 0 0 50%;
      max-width: 50%;
    }
.rounded
{
  padding: var(--card-padding);
  border-radius: var(--border-radius);
  background: var(--glass-surface);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(8px);
}
.about-text p
{
  text-align: justify;
  margin-bottom: var(--m-1);
}
.about-snapshot {
  margin-bottom: var(--m-1);
  padding: 1.2rem;
  border-radius: 1rem;
  background: var(--glass-surface);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.about-snapshot__title {
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-gray);
}
.about-snapshot__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
}
.about-snapshot__item {
  font-size: var(--normal-font-size);
  color: var(--color-dark);
  line-height: 1.55;
  word-break: break-word;
}
.about-narrative {
  margin-bottom: var(--m-1);
  text-align: left;
  color: var(--color-dark);
  line-height: 1.7;
}
.publication-card
{
  margin: 1.25rem 0;
  padding: 1rem;
  border-radius: 1rem;
  background: var(--glass-surface);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  display: grid;
  gap: 0.35rem;
}
.publication-meta
{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.pub-year
{
  font-size: 0.9rem;
  color: var(--color-gray);
}
.publication-title
{
  margin: 0;
  font-size: 1.05rem;
  color: var(--color-dark);
}
.publication-desc
{
  margin: 0;
  color: var(--color-gray);
  line-height: 1.6;
  text-align: left;
  word-spacing: normal;
}
.publication-link
{
  color: var(--color-primary);
  font-weight: var(--font-semi-bold);
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.35rem 0.6rem;
  border-radius: 0.75rem;
  border: 1px solid hsla(var(--primary-color-hue), 75%, 60%, 0.22);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.publication-link:hover
{
  transform: translateY(-1px);
  box-shadow: var(--glass-shadow);
}
.about-actions {
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}
@media (max-width: 768px) {
  .about-actions {
    justify-content: center;
  }
}
    .about-text mark
    {
      background: hsla(var(--primary-color-hue), 75%, 60%, 0.18);
      color: var(--color-dark);
      padding: 0.08rem 0.35rem;
      border-radius: 0.4rem;
      border: 1px solid hsla(var(--primary-color-hue), 75%, 60%, 0.24);
    }
    .about-content .skills .skill-item
    {
      flex: 0 0 100%;
      max-width: 100%;
    }
    .about-content .skills .skill-item h4
    {
      margin-bottom: var(--m-0-75);
    }
    .about-content .skills .skill-item .progress
    {
      background-color: var(--color-light);
      height: 0.45rem;
      border-radius: var(--border-radius);
      width: 100%;
      position: relative;
    }
    .about-content .skills .skill-item:not(:last-child)
    {
      margin-bottom: var(--m-1-5);
    }
    .about-content .skills .skill-item .progress .progress-in
    {
      position: absolute;
      left: 0;
      top: 0;
      height: 100%;
      border-radius: var(--border-radius);
    }
    .about-content .skills .skill-item .skill-percent
    {
      position: absolute;
      right: 0;
      top: -2.5rem;
    }
    .fact-item
    {
      flex: 0 0 25%;
      max-width: 25%;
      margin-top: var(--m-2-5);
      text-align: center;
    }
    .fact-item i
    {
      font-size: var(--h2-font-size);
      color: var(--color-gray);
    }
    /*========== Services ==========*/
    .services .service-item
    {
      flex: 0 0 33.33%;
      max-width: 33.33%;
      display: flex;
    }
    .services .service-item .service-item-inner
    {
      border-radius: var(--border-radius);
      padding: var(--card-padding);
      text-align: center;
      transform: translateY(0);
      transition: 0.3s;
      background: linear-gradient(145deg, hsla(var(--primary-color-hue), 75%, 60%, 0.08), hsla(var(--primary-color-hue), 75%, 60%, 0.02)),
                  linear-gradient(135deg, rgba(255,255,255,0.96), rgba(255,255,255,0.86));
      border: 1px solid rgba(0, 0, 0, 0.04);
      box-shadow: 0 15px 40px rgba(0,0,0,0.08), 0 0 0 1px rgba(255,255,255,0.32) inset;
      backdrop-filter: blur(8px);
    }
    .services .service-item .service-item-inner:hover
    {
      transform: translateY(-0.625rem);
    }
    .services .service-item img
    {
      margin-bottom: var(--m-0-75);
    }
    .service-item h3
    {
      margin-bottom: var(--m-0-5);
      color: var(--color-dark);
    }
    .service-item p
    {
      color: var(--color-gray);
    }
    .text
    {
       text-align: center;
       margin-top: var(--m-1-5);
    }
    .text a 
    {
      color: var(--color-primary);
    }
    /*========== Experience ==========*/
    .education
    {
      flex: 0 0 50%;
      max-width: 50%;
    }
    .experience
    {
      flex: 0 0 50%;
      max-width: 50%;
    }
    .timeline-box
    {
      flex: 0 0 100%;
      max-width: 100%;
    }
    .timeline
    {
      background: linear-gradient(145deg, hsla(var(--primary-color-hue), 75%, 60%, 0.08), hsla(var(--primary-color-hue), 75%, 60%, 0.02)),
                  linear-gradient(135deg, rgba(255,255,255,0.96), rgba(255,255,255,0.86));
      padding: 1.9rem 0.95rem;
      border-radius: var(--border-radius);
      width: 100%;
      position: relative;
      border: 1px solid rgba(0, 0, 0, 0.04);
      box-shadow: 0 15px 40px rgba(0,0,0,0.08), 0 0 0 1px rgba(255,255,255,0.32) inset;
      backdrop-filter: blur(8px);
    }
    .timeline .timeline-item
    {
      position: relative;
      padding-left: 2.5rem;
      padding-bottom: 1.9rem;
    }
    .timeline .timeline-item:last-child
    {
      padding-bottom: 0;
    }
    .timeline .timeline-item::before
    {
      content: '';
      width: 1px;
      position: absolute;
      height: 100%;
      left: var(--m-0-5);
      background-color: var(--color-primary);
      top: 0;
    }
    .timeline .timeline-icon
    {
      position: absolute;
      left: -0.25rem;
      top: 0;
      font-size: 1.5rem;
      background-color: var(--color-white);
      color: var(--color-primary);
    }
    .timeline .timeline-date
    {
      font-size: var(--small-font-size);
      color: var(--color-gray);
    }
    .timeline .timeline-date .lni 
    {
      margin-right: 0.3rem;
    }
    .timeline .timeline-title
    {
      margin: var(--m-0-75) 0;
    }
    /*========== Pricing ==========*/
    .prices
    {
      flex: 0 0 33.33%;
      max-width: 33.33%;
    }
    .prices:nth-child(odd)
    {
      margin-top: 1.5rem;
    }
    .prices:nth-child(1)
    {
      padding-left: 15px;
    }
    .prices:nth-child(3)
    {
      padding-right: 15px;
    }
    .price-item
    {
      padding: var(--card-padding);
      background: linear-gradient(145deg, hsla(var(--primary-color-hue), 75%, 60%, 0.08), hsla(var(--primary-color-hue), 75%, 60%, 0.02)),
                  linear-gradient(135deg, rgba(255,255,255,0.96), rgba(255,255,255,0.86));
      text-align: center;
      border-radius: var(--border-radius);
      border: 1px solid rgba(0, 0, 0, 0.04);
      box-shadow: 0 15px 40px rgba(0,0,0,0.08), 0 0 0 1px rgba(255,255,255,0.32) inset;
      backdrop-filter: blur(8px);
    }
    .price-item h3.plan
    {
      margin: var(--m-0-75) 0;
    }
    .prices p
    {
      margin-bottom: 1rem;
    }
    .price-item .price 
    {
      font-size: var(--h1-font-size);
      font-weight: var(--font-semi-bold);
    }
    .price-item .price em
    {
      font-style: normal;
      font-size: var(--small-font-size);
      margin-right: var(--m-0-5);
      vertical-align: super;
    }
    .price-item .price span
    {
      font-size: var(--normal-font-size);
      margin-left: var(--m-0-75);
    }
    .price-item .btn
    {
      margin-top: var(--m-1);
    }
    .price-item.best
    {
      padding: 3.25rem 2.5rem;
      z-index: 1;
      position: relative;
    }
    .price-item .badge
    {
      position: absolute;
      left: 0;
      top: 2.6rem;
      color: #fff;
      background-color: var(--color-primary);
      transform: rotate(-90deg);
      padding: 0.4rem 0.75rem;
      font-size: var(--small-font-size);
      border-top-left-radius: var(--border-radius);
      border-bottom-left-radius: var(--border-radius);
      border-top-right-radius: 0;
      border-bottom-right-radius: 0;
    }
    /*========== Portfolio ==========*/
    .portfolio
    {
      perspective: 1600px;
    }
    .portfolio-intro
    {
      max-width: 860px;
      color: var(--color-gray);
      margin-bottom: var(--m-2);
    }
    .portfolio-stage
    {
      gap: var(--m-1-5);
      align-items: stretch;
    }
    .portfolio-column
    {
      flex: 1 1 50%;
      min-width: 280px;
      display: flex;
      flex-direction: column;
      gap: var(--m-1);
    }
.portfolio-label
{
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-dark);
  padding: 0.65rem 1rem;
  background: var(--glass-surface);
  border: var(--glass-border);
  border-radius: 999px;
  width: fit-content;
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(6px);
}
    .portfolio-label .label-dot
    {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      border: 2px solid var(--color-primary);
      box-shadow: 0 0 0 5px hsla(var(--primary-color-hue), 75%, 60%, 0.1);
    }
    .card-stack
    {
      display: grid;
      grid-template-columns: 1fr;
      gap: var(--m-1-5);
      perspective: 1200px;
    }
    .portal-card
    {
      --card-accent: var(--color-primary);
      --tilt-x: 0deg;
      --tilt-y: 0deg;
  --glow-x: 50%;
  --glow-y: 50%;
  position: relative;
  padding: 1.5rem;
  border-radius: 1.4rem;
  background: var(--glass-surface);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  overflow: hidden;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
  isolation: isolate;
  backdrop-filter: blur(8px);
}
.portal-card:hover
{
  box-shadow: var(--glass-strong-shadow);
}
.portal-card .card-sheen
{
  position: absolute;
  inset: -2px;
  display: none;
}
    .portal-card::before,
    .portal-card::after
    {
      content: '';
      position: absolute;
      inset: 0;
      border-radius: inherit;
      background: transparent;
      z-index: 0;
    }
    .portal-card h3,
    .portal-card p,
    .portal-card .card-footer,
    .portal-card .card-header
    {
      position: relative;
      z-index: 1;
    }
    .portal-card h3
    {
      font-size: 1.25rem;
      margin-bottom: 0.35rem;
      color: var(--color-dark);
    }
    .portal-card p
    {
      color: var(--color-gray);
      margin-bottom: 1rem;
      line-height: 1.6;
    }
    .portal-card .card-header
    {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 0.75rem;
      gap: 0.6rem;
    }
    .portal-card .chip
    {
      display: inline-flex;
      align-items: center;
      padding: 0.35rem 0.75rem;
      border-radius: 999px;
      background: hsla(var(--primary-color-hue), 75%, 60%, 0.12);
      color: var(--color-dark);
      font-size: 0.85rem;
      letter-spacing: 0.01em;
      border: 1px solid hsla(var(--primary-color-hue), 75%, 60%, 0.2);
    }
    .portal-card .chip.ghost
    {
      background: rgba(0,0,0,0.03);
      color: var(--color-gray);
    }
    .portal-card.feature
    {
      padding: 1.85rem;
      border-radius: 1.5rem;
      display: flex;
      flex-direction: column;
      gap: 0.35rem;
    }
    .card-highlight
    {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
      gap: 0.75rem;
      margin: 0.65rem 0 1.05rem;
    }
    .metric
    {
      background: hsla(var(--primary-color-hue), 75%, 60%, 0.08);
      border: 1px solid hsla(var(--primary-color-hue), 75%, 60%, 0.18);
      box-shadow: 0 10px 26px rgba(0,0,0,0.06);
      border-radius: 1rem;
      padding: 0.85rem 0.95rem;
    }
    .metric-header
    {
      display: flex;
      align-items: center;
      gap: 0.4rem;
      margin-bottom: 0.05rem;
    }
    .metric-icon
    {
      font-size: 1rem;
      color: var(--color-primary);
      opacity: 0.9;
    }
    .metric-label
    {
      font-size: 0.78rem;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      color: var(--color-gray);
      display: block;
      margin-bottom: 0.05rem;
    }
    .metric-value
    {
      display: block;
      font-size: 1.55rem;
      font-weight: var(--font-semi-bold);
      color: var(--color-dark);
      line-height: 1.25;
    }
    .metric-sub
    {
      font-size: 0.9rem;
      color: var(--color-gray);
      display: block;
      margin-top: 0.15rem;
    }
    .card-lead
    {
      color: var(--color-dark);
      margin-bottom: 0.75rem;
      line-height: 1.6;
    }
    .card-role
    {
      margin: 0.1rem 0 0.35rem;
      font-size: 0.78rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--color-primary);
      font-weight: var(--font-semi-bold);
    }
    .card-link
    {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      padding: 0.65rem 1rem;
      border-radius: 0.9rem;
      background: hsla(var(--primary-color-hue), 75%, 60%, 0.12);
      border: 1px solid hsla(var(--primary-color-hue), 75%, 60%, 0.22);
      color: var(--color-dark);
      font-weight: var(--font-semi-bold);
      box-shadow: 0 10px 24px rgba(0,0,0,0.06);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .card-link:hover
    {
      transform: translateY(-2px);
      box-shadow: var(--glass-strong-shadow);
    }
    .card-link.ghost
    {
      background: hsla(var(--primary-color-hue), 75%, 60%, 0.06);
      border-color: hsla(var(--primary-color-hue), 75%, 60%, 0.14);
      box-shadow: 0 10px 18px rgba(0,0,0,0.05);
    }
    .card-link-arrow
    {
      font-size: 1rem;
      color: var(--color-primary);
    }
    .card-title-row
    {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 0.65rem;
      flex-wrap: wrap;
      position: relative;
      z-index: 2;
    }
    .card-title-top
    {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      flex-wrap: wrap;
    }
    .card-title-top h3
    {
      margin-bottom: 0;
    }
    .card-title-block
    {
      display: flex;
      flex-direction: column;
      gap: 0.3rem;
      flex: 1 1 240px;
    }
    .card-title-block .card-lead
    {
      margin-bottom: 0;
      color: var(--color-gray);
    }
    .card-actions
    {
      display: inline-flex;
      gap: 0.45rem;
      flex-wrap: wrap;
      margin-left: auto;
      justify-content: flex-end;
      position: relative;
      z-index: 2;
    }
    .product-mark
    {
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 0.9rem 1.25rem;
      background: var(--glass-surface);
      border: var(--glass-border);
      box-shadow: var(--glass-shadow);
      border-radius: 0.9rem;
      min-width: 340px;
      flex: 0 0 auto;
      margin-top: 1.05rem;
    }
    .product-mark img
    {
      display: block;
      width: 320px;
      max-height: 170px;
      object-fit: contain;
    }
    .card-icon-link
    {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      padding: 0.35rem 0.7rem;
      border-radius: 999px;
      background: hsla(var(--primary-color-hue), 75%, 60%, 0.1);
      border: 1px solid hsla(var(--primary-color-hue), 75%, 60%, 0.18);
      color: var(--color-dark);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      box-shadow: 0 10px 20px rgba(0,0,0,0.05);
      position: relative;
      z-index: 2;
      pointer-events: auto;
    }
    .card-icon-link:hover
    {
      transform: translateY(-1px);
      box-shadow: var(--glass-strong-shadow);
      color: var(--color-primary);
    }
    .card-icon-link .fa
    {
      font-size: 1.1rem;
    }
    .card-icon-text
    {
      font-size: 0.9rem;
    }
    .card-section
    {
      display: flex;
      flex-direction: column;
      gap: 0.45rem;
      margin: 0.35rem 0;
    }
    .card-section h4
    {
      margin: 0;
      font-size: 1rem;
      letter-spacing: 0.01em;
      color: var(--color-dark);
    }
    .impact-mosaic,
    .impact-grid
    {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
      gap: 0.75rem;
      margin: 0.25rem 0 0.6rem;
    }
    .impact-card
    {
      position: relative;
      padding: 0.85rem 0.9rem;
      border-radius: 1rem;
      background: linear-gradient(135deg,
        hsla(var(--primary-color-hue), 75%, 60%, 0.2),
        hsla(var(--primary-color-hue), 75%, 60%, 0.05)),
        var(--color-light);
      border: 1px solid hsla(var(--primary-color-hue), 70%, 55%, 0.28);
      box-shadow: 0 14px 32px rgba(0,0,0,0.12), inset 0 1px 0 rgba(255,255,255,0.35);
      display: grid;
      gap: 0.5rem;
      color: var(--color-dark);
      overflow: hidden;
    }
    .impact-card::after
    {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, rgba(255,255,255,0.08), transparent 55%);
      opacity: 0.6;
      pointer-events: none;
      z-index: 0;
    }
    .impact-icon
    {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: hsla(var(--primary-color-hue), 75%, 60%, 0.18);
      border: 1px solid hsla(var(--primary-color-hue), 75%, 60%, 0.3);
      color: var(--color-primary);
      font-size: 1rem;
      line-height: 1;
      text-align: center;
      position: relative;
      z-index: 1;
    }
    .impact-icon::before
    {
      display: block;
      line-height: 1;
      transform: translateY(7px);
    }
    .impact-stat
    {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.45rem;
      padding: 0.35rem 0.75rem;
      border-radius: 999px;
      background: linear-gradient(135deg,
        hsla(var(--primary-color-hue), 75%, 60%, 0.24),
        hsla(var(--primary-color-hue), 75%, 60%, 0.06)),
        var(--color-white);
      border: 1px solid hsla(var(--primary-color-hue), 70%, 55%, 0.35);
      box-shadow: 0 8px 18px rgba(0,0,0,0.12), inset 0 1px 0 rgba(255,255,255,0.45);
      width: fit-content;
      position: relative;
      z-index: 1;
      text-align: center;
    }
    .impact-stat-value
    {
      font-size: 1.05rem;
      font-weight: var(--font-semi-bold);
      color: var(--color-dark);
      line-height: 1;
    }
    .impact-stat-label
    {
      font-size: 0.62rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--color-gray);
      line-height: 1;
    }
    .impact-body
    {
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 0.6rem;
      align-items: start;
      position: relative;
      z-index: 1;
    }
    .impact-copy
    {
      display: grid;
      gap: 0.25rem;
    }
    .impact-card h5
    {
      margin: 0;
      font-size: 0.95rem;
      font-weight: var(--font-semi-bold);
      letter-spacing: 0.01em;
      position: relative;
      z-index: 1;
    }
    .impact-card p
    {
      margin: 0;
      color: var(--color-gray);
      font-size: 0.9rem;
      line-height: 1.5;
      position: relative;
      z-index: 1;
    }
    .flow-rail
    {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 0.45rem;
      padding: 0.65rem 0.8rem;
      border-radius: 0.95rem;
      background: linear-gradient(135deg,
        hsla(var(--primary-color-hue), 75%, 60%, 0.18),
        hsla(var(--primary-color-hue), 75%, 60%, 0.05)),
        var(--color-light);
      border: 1px solid hsla(var(--primary-color-hue), 70%, 55%, 0.28);
      box-shadow: 0 12px 30px rgba(0,0,0,0.12), inset 0 1px 0 rgba(255,255,255,0.35);
      font-size: 0.9rem;
      color: var(--color-dark);
    }
    .flow-chip
    {
      display: inline-flex;
      align-items: center;
      padding: 0.25rem 0.65rem;
      border-radius: 999px;
      background: linear-gradient(135deg,
        hsla(var(--primary-color-hue), 75%, 60%, 0.22),
        hsla(var(--primary-color-hue), 75%, 60%, 0.05)),
        var(--color-white);
      border: 1px solid hsla(var(--primary-color-hue), 70%, 55%, 0.35);
      box-shadow: 0 8px 20px rgba(0,0,0,0.12), inset 0 1px 0 rgba(255,255,255,0.45);
      font-weight: var(--font-semi-bold);
      letter-spacing: 0.01em;
    }
    .flow-arrow
    {
      color: var(--color-primary);
      opacity: 0.9;
      font-weight: var(--font-semi-bold);
    }
    .card-section-header
    {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 0.65rem;
      flex-wrap: wrap;
      margin-bottom: 0.35rem;
      position: relative;
      z-index: 1;
    }
    .story-spine
    {
      display: grid;
      gap: 0.4rem;
    }
    .story-spine .card-lead
    {
      margin-bottom: 0;
      line-height: 1.5;
    }
    .decisions-block .decision-list
    {
      list-style: none;
      padding: 0;
      margin: 0.35rem 0 0.65rem;
      display: grid;
      gap: 0.55rem;
    }
    .decision-item
    {
      position: relative;
      padding-left: 1.15rem;
      color: var(--color-dark);
      line-height: 1.5;
    }
    .decision-item::before
    {
      content: "•";
      position: absolute;
      left: 0;
      top: 0.05rem;
      color: var(--color-primary);
      opacity: 0.6;
      font-weight: var(--font-semi-bold);
    }
    .decisions-block .decision-list li
    {
      color: var(--color-dark);
      line-height: 1.5;
    }
    .decisions-block .decision-list strong
    {
      color: var(--color-primary);
      font-weight: var(--font-semi-bold);
    }
    .research-callout
    {
      margin-top: 0.35rem;
      padding: 0.75rem 0.85rem;
      border-radius: 0.9rem;
      background: var(--glass-surface);
      border: var(--glass-border);
      box-shadow: var(--glass-shadow);
    }
    .research-callout h5
    {
      margin: 0 0 0.2rem;
      font-size: 0.95rem;
      letter-spacing: 0.02em;
      color: var(--color-gray);
    }
    .research-callout p
    {
      margin: 0;
      color: var(--color-gray);
      font-size: 0.95rem;
      line-height: 1.5;
    }
    .card-points
    {
      list-style: none;
      padding: 0;
      margin: 0 0 1rem;
      display: grid;
      gap: 0.5rem;
    }
    .card-points li
    {
      display: grid;
      grid-template-columns: 1rem 1fr;
      column-gap: 0.55rem;
      align-items: start;
      color: var(--color-gray);
    }
    .card-points li::before
    {
      content: "•";
      color: var(--color-primary);
      font-weight: var(--font-semi-bold);
      line-height: 1.2;
    }
    .diagram-block
    {
      margin: 0.1rem 0 0.55rem;
      padding: 0.75rem 0.95rem;
      border-radius: 0.95rem;
      background: hsla(var(--primary-color-hue), 75%, 60%, 0.06);
      border: 1px solid hsla(var(--primary-color-hue), 75%, 60%, 0.16);
      box-shadow: var(--glass-shadow);
      font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
      color: var(--color-dark);
    }
    .diagram-block pre
    {
      margin: 0;
      font-size: 0.95rem;
      line-height: 1.35;
      white-space: pre;
    }
    .badge-row
    {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
    }
    .portal-card .card-footer
    {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
    }
    .portal-card.feature .card-footer
    {
      margin: 0.4rem 0 0.8rem;
      gap: 0.4rem;
    }
    .portal-card.feature .card-footer span
    {
      margin-bottom: 0.15rem;
    }
    .media-row
    {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 1rem;
      align-items: center;
    }
    .card-media
    {
      width: 100%;
      border-radius: 1.1rem;
      border: var(--glass-border);
      box-shadow: var(--glass-shadow);
      background: var(--glass-surface);
      padding: 0.35rem;
      object-fit: cover;
    }
    .heatmap-grid
    {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
      gap: 0.6rem;
    }
    .heatmap-card
    {
      margin: 0;
      background: var(--glass-surface);
      border: var(--glass-border);
      box-shadow: var(--glass-shadow);
      border-radius: 0.9rem;
      padding: 0.5rem;
      text-align: center;
      display: flex;
      flex-direction: column;
      gap: 0.35rem;
      position: relative;
      overflow: hidden;
      transition: box-shadow 0.2s ease, transform 0.2s ease, opacity 0.2s ease, filter 0.2s ease;
    }
    .heatmap-card[data-heatmap="single"]
    {
      cursor: pointer;
    }
    .heatmap-card img
    {
      width: 100%;
      border-radius: 0.6rem;
      object-fit: cover;
    }
    .heatmap-card figcaption
    {
      position: static;
      font-size: 0.9rem;
      color: var(--color-dark);
      text-align: center;
      padding-left: 0;
      width: 100%;
    }
    .heatmap-grid.mode-ensemble .heatmap-card[data-heatmap="single"]
    {
      opacity: 0.78;
      filter: saturate(0.82);
    }
    .heatmap-grid.mode-ensemble .heatmap-card[data-heatmap="ensemble"]
    {
      box-shadow: var(--glass-strong-shadow);
      border: 1px solid hsla(var(--primary-color-hue), 75%, 60%, 0.35);
      transform: translateY(-2px);
    }
    .heatmap-grid.mode-single .heatmap-card[data-heatmap="ensemble"]
    {
      opacity: 0.7;
      filter: grayscale(0.25);
    }
    .heatmap-grid.mode-single .heatmap-card[data-heatmap="single"]
    {
      opacity: 1;
      filter: none;
    }
    .heatmap-grid.mode-single .heatmap-card[data-heatmap="single"]:not(.is-active)
    {
      opacity: 0.9;
    }
    .heatmap-card.is-ensemble-final
    {
      border: 1px solid hsla(var(--primary-color-hue), 75%, 60%, 0.2);
      box-shadow: var(--glass-shadow);
    }
    .heatmap-grid.mode-ensemble .heatmap-card.is-ensemble-final
    {
      border: 1px solid hsla(var(--primary-color-hue), 75%, 60%, 0.38);
      box-shadow: var(--glass-strong-shadow);
      transform: translateY(-2px);
    }
    .heatmap-grid.mode-single .heatmap-card.is-ensemble-final
    {
      box-shadow: var(--glass-shadow);
      border: var(--glass-border);
    }
    .heatmap-card.is-ensemble-final .heatmap-badge
    {
      position: absolute;
      top: 0.55rem;
      left: 0.55rem;
      padding: 0.25rem 0.55rem;
      border-radius: 999px;
      background: hsla(var(--primary-color-hue), 75%, 60%, 0.2);
      color: var(--color-dark);
      font-weight: var(--font-semi-bold);
      font-size: 0.75rem;
      border: 1px solid hsla(var(--primary-color-hue), 75%, 60%, 0.35);
      box-shadow: var(--glass-shadow);
      letter-spacing: 0.01em;
    }
    .heatmap-card.is-active
    {
      box-shadow: var(--glass-strong-shadow);
      border: 1px solid hsla(var(--primary-color-hue), 75%, 60%, 0.4);
      transform: translateY(-3px);
    }
    .heatmap-caption
    {
      margin: 0.6rem 0 0;
      color: var(--color-gray);
    }
    .poster-link
    {
      display: inline-flex;
      position: relative;
      z-index: 2;
    }
    .poster-link .btn
    {
      position: relative;
      z-index: 2;
      pointer-events: auto;
    }
    .modal
    {
      position: fixed;
      inset: 0;
      display: none;
      align-items: center;
      justify-content: center;
      z-index: 200;
    }
    .modal.is-open
    {
      display: flex;
    }
    .modal-backdrop
    {
      position: absolute;
      inset: 0;
      background: rgba(0,0,0,0.4);
      backdrop-filter: blur(6px);
    }
    .modal-content
    {
      position: relative;
      width: min(1100px, 92vw);
      height: min(90vh, 840px);
      background: var(--glass-surface);
      border: var(--glass-border);
      box-shadow: var(--glass-strong-shadow);
      border-radius: 1.25rem;
      padding: 0.75rem;
      z-index: 1;
      display: flex;
      flex-direction: column;
    }
    .modal-close
    {
      position: absolute;
      top: 0.5rem;
      right: 0.75rem;
      font-size: 1.5rem;
      background: transparent;
      border: none;
      color: var(--color-dark);
      cursor: pointer;
    }
    .poster-frame
    {
      width: 100%;
      height: 100%;
      border: none;
      border-radius: 0.95rem;
      background: var(--glass-surface);
    }
    @media (max-width: 900px)
    {
      .media-row
      {
        grid-template-columns: 1fr;
      }
    }
    .portal-card .card-footer span
    {
      font-size: 0.85rem;
      padding: 0.35rem 0.65rem;
      border-radius: 0.75rem;
      background: hsla(var(--primary-color-hue), 75%, 60%, 0.08);
      color: var(--color-dark);
      border: 1px solid hsla(var(--primary-color-hue), 75%, 60%, 0.14);
      transition: opacity 0.2s ease, background 0.2s ease, border-color 0.2s ease;
    }
    .portal-card.feature .card-footer span
    {
      opacity: 0.88;
      background: hsla(var(--primary-color-hue), 75%, 60%, 0.06);
      border-color: hsla(var(--primary-color-hue), 75%, 60%, 0.12);
    }
    .portal-card.feature .card-footer span:hover
    {
      opacity: 1;
      background: hsla(var(--primary-color-hue), 75%, 60%, 0.1);
      border-color: hsla(var(--primary-color-hue), 75%, 60%, 0.2);
    }
    .tech-group-row
    {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
      gap: 0.75rem;
      margin: 0.35rem 0 0.85rem;
    }
    .chip-group
    {
      display: flex;
      flex-direction: column;
      gap: 0.25rem;
    }
    .chip-group-label
    {
      font-size: 0.78rem;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: var(--color-gray);
      opacity: 0.9;
    }
    .chip-group-body
    {
      padding: 0;
      border: none;
      box-shadow: none;
      background: transparent;
      gap: 0.35rem;
    }
    .portal-card .chip
    {
      box-shadow: 0 6px 20px rgba(0,0,0,0.04);
    }
    @media only screen and (max-width:768px)
    {
      .portfolio-stage
      {
        flex-direction: column;
      }
      .portfolio-label
      {
        position: static;
      }
      .product-mark
      {
        width: 100%;
        max-width: 360px;
        min-width: 0;
        margin-left: auto;
        margin-right: auto;
      }
      .product-mark img
      {
        width: 100%;
        max-width: 320px;
        height: auto;
        margin: 0 auto;
      }
    }
    /*========== Testimonial ==========*/
    .testimonial-wrapper
    {
      max-width: 700px;
      margin: auto;
    }
    .testimonial-item
    {
      padding: 0 1.25rem 1.25rem;
      text-align: center;
    }
    .testimonial-item .thumb
    {
      border-radius: 50%;
      overflow: hidden;
      height: 5.6rem;
      width: 5.6rem;
      margin: 0 auto;
    }
    .testimonial-item h3
    {
      margin-top: var(--m-0-75);
    }
    .testimonial-item .subtitle
    {
      color: var(--color-gray);
      font-size: var(--small-font-size);
    }
    .comment
    {
      background: linear-gradient(145deg, hsla(var(--primary-color-hue), 75%, 60%, 0.08), hsla(var(--primary-color-hue), 75%, 60%, 0.02)),
                  linear-gradient(135deg, rgba(255,255,255,0.96), rgba(255,255,255,0.86));
      padding: var(--card-padding);
      margin-top: var(--m-1);
      border-radius: var(--border-radius);
      border: 1px solid rgba(0, 0, 0, 0.04);
      box-shadow: 0 15px 40px rgba(0,0,0,0.08), 0 0 0 1px rgba(255,255,255,0.32) inset;
      backdrop-filter: blur(8px);
    }
    .swiper-pagination
    {
      position: initial;
      margin-top: var(--m-1);
    }
    .swiper-pagination-bullet
    {
      width: 0.5rem;
      height: 0.375rem;
      background-color: var(--color-primary);
      opacity: 1;
    }
    .swiper-pagination-horizontal.swiper-pagination-bullets .swiper-pagination-bullet
    {
      margin: 0 .2rem;
    }
    .swiper-pagination-bullet-active 
    {
      width: 1.2rem;
      height: 0.375rem;
      border-radius: .5rem;
    }
    /*========== Blog ==========*/
    .blog-item
    {
      flex: 0 0 33.33%;
      max-width: 33.33%;
      display: flex;
    }
    .blog-item .inner 
    {
      background: linear-gradient(145deg, hsla(var(--primary-color-hue), 75%, 60%, 0.08), hsla(var(--primary-color-hue), 75%, 60%, 0.02)),
                  linear-gradient(135deg, rgba(255,255,255,0.96), rgba(255,255,255,0.86));
      overflow: hidden;
      border-radius: var(--border-radius);
      transform: translateY(0);
      transition: .3s;
      border: 1px solid rgba(0, 0, 0, 0.04);
      box-shadow: 0 15px 40px rgba(0,0,0,0.08), 0 0 0 1px rgba(255,255,255,0.32) inset;
      backdrop-filter: blur(8px);
    }
    .blog-item .inner:hover
    {
      transform: translateY(-0.98rem);
    }
    .blog-item .thumb
    {
      position: relative;
      overflow: hidden;
    }
    .blog-item .thumb img
    {
      transform: scale(1);
      transition: 0.3s;
    }
    .blog-item .thumb:hover img
    {
      transform: scale(1.1);
    }
    .blog-item .category
    {
      background: var(--color-primary);
      border-bottom-left-radius: 0.98rem;
      border-bottom-right-radius: 0.98rem;
      color: #fff;
      font-size: var(--small-font-size);
      padding: 0.12rem 0.5rem;
      position: absolute;
      left: 1.25rem;
      top: 0;
      z-index: 1;
    }
    .blog-item .details
    {
      padding: 1.25rem;
    }
    .blog-item .details .title 
    {
      line-height: 1.2;
    }
    .blog-item .details .title a:hover
    {
      color: var(--color-primary);
    }
    .blog-item .meta 
    {
      font-size: var(--small-font-size);
      color: var(--color-gray);
      margin-top: 0.5rem;
    }
    .blog-item .meta li
    {
      display: inline-block;
    }
    .blog-item .meta li:not(:last-child)
    {
      margin-right: 0.6rem;
    }
    .blog-item .meta li::after
    {
      content: '';
      background: var(--color-gray);
      border-radius: 50%;
      display: inline-block;
      height: 0.19rem;
      width: 0.19rem;
      margin-left: 0.6rem;
      vertical-align: middle;
    }
    .blog-item .meta li:last-child::after
    {
      display: none;
    }
    /*========== Contact ==========*/
    .contact-box
    {
      flex: 0 0 40%;
      max-width: 40%;
    }
    .contact-form
    {
      flex: 0 0 60%;
      max-width: 60%;
    }
    .contact-data
    {
      display: grid;
      row-gap: 2rem;
    }
    .contact-subtitle
    {
      margin-bottom: var(--m-0-5);
    }
    .contact-description
    {
      display: inline-flex;
      align-items: center;
      column-gap: .5rem;
    }
    .contact-icon
    {
      font-size: 1.2rem;
    }
    .contact-inputs
    {
      display: grid;
      row-gap: 2rem;
      margin-bottom: var(--m-2-5);
    }
    .contact-content
    {
      position: relative;
      height: 3rem;
      border-bottom: 2px solid var(--color-gray);
    }
    .contact-content span
    {
      position: absolute;
      bottom: -2px;
      left: 0;
      content: '';
      height: 2px;
      width: 0;
      transition: .5s;
      background: var(--color-primary);
    }
    .contact-input:focus ~ span 
    {
      width: 100%;
    }
    .contact-input
    {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      padding: 1rem 1rem 1rem 0;
      background: none;
      color: #fff;
      outline: none;
      border: none;
      z-index: 1;
    }
    .contact-label
    {
      position: absolute;
      top: .40rem;
      width: 100%;
      font-size: var(--small-font-size);
      transition: .3s;
    }
    .contact-area
    {
      height: 7rem;
    }
    .contact-area textarea
    {
      resize: none;
    }
    .contact-input:focus + .contact-label
    {
      top: -.75rem;
      left: 0;
      z-index: 10;
      color: var(--color-primary);
    }
    /*========== Footer ==========*/
    .site-footer {
      margin: 3rem auto 0;
      padding: 1.5rem 0;
      background: var(--glass-surface);
      border: var(--glass-border);
      border-top: 1px solid rgba(255,255,255,0.1);
      box-shadow: var(--glass-shadow);
      backdrop-filter: blur(12px);
      color: var(--color-dark);
    }
    .site-footer__content {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 1.5rem;
      flex-wrap: wrap;
    }
    .site-footer__identity {
      display: flex;
      flex-direction: column;
      gap: 0.2rem;
    }
    .site-footer__name {
      margin: 0;
      font-size: 1rem;
      font-weight: var(--font-semi-bold);
    }
    .site-footer__tagline {
      margin: 0;
      color: var(--color-gray);
      font-size: 0.9rem;
      letter-spacing: 0.05em;
    }
    .site-footer__links {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
      font-size: 0.92rem;
    }
    .site-footer__links a {
      color: var(--color-gray);
      transition: opacity 0.2s ease;
    }
    .site-footer__links a:hover,
    .site-footer__links a:focus {
      opacity: 0.7;
    }
    @media (max-width: 640px) {
      .site-footer__content {
        flex-direction: column;
        text-align: center;
      }
      .site-footer__links {
        justify-content: center;
      }
    }
    /*========== Customize Theme ==========*/
.customize-theme
{
  background: rgba(0,0,0,.35);
  height: 100vh;
  width: 100vw;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  text-align: center;
  display: grid;
  place-items: center;
  font-size: var(--small-font-size);
  display: none;
  backdrop-filter: blur(6px);
}
.customize-theme .card 
{
  background: var(--glass-surface);
  border: var(--glass-border);
  box-shadow: var(--glass-strong-shadow);
  padding: 2.5rem;
  border-radius: calc(var(--border-radius) * 1.1);
  width: 46%;
  max-width: 640px;
}
.customize-theme .font-size
{
  margin-top: var(--m-2-5);
}
.customize-theme .font-size > div
{
  display: flex;
  justify-content: center;
  align-items: center;
  background: hsla(var(--primary-color-hue), 75%, 60%, 0.06);
  padding: .7rem 1rem;
  border-radius: var(--border-radius);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
}
.customize-theme .choose-size
{
  background: hsla(var(--primary-color-hue), 75%, 60%, 0.14);
  height: 0.35rem;
  width: 100%;
  margin: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 999px;
}
.customize-theme .choose-size span
{
  width: 1rem;
  height: 1rem;
  background: #fff;
  border: 1px solid hsla(var(--primary-color-hue), 75%, 60%, 0.28);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}
.customize-theme .choose-size span.active 
{
  background: var(--color-primary);
  border-color: hsla(var(--primary-color-hue), 75%, 60%, 0.5);
}
.customize-theme .color
{
  margin-top: var(--m-2);
}
.customize-theme .choose-color
{
  background: hsla(var(--primary-color-hue), 75%, 60%, 0.06);
  border-radius: var(--border-radius);
  padding: .75rem 1.1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
}
.customize-theme .choose-color span
{
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 50%;
  background: var(--color-primary);
  border: 1px solid hsla(var(--primary-color-hue), 75%, 60%, 0.32);
  box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}
.customize-theme .choose-color span:nth-child(1)
{
  background: hsl(252, 75%, 60%);
}
    .customize-theme .choose-color span:nth-child(2)
    {
      background: hsl(52, 75%, 60%);
    }
    .customize-theme .choose-color span:nth-child(3)
    {
      background: hsl(352, 75%, 60%);
    }
    .customize-theme .choose-color span:nth-child(4)
    {
      background: hsl(152, 75%, 60%);
    }
    .customize-theme .choose-color span:nth-child(5)
    {
  background: hsl(202, 75%, 60%);
}
.customize-theme .choose-color span.active 
{
  box-shadow: 0 0 0 4px rgba(255,255,255,0.75), 0 16px 26px rgba(0,0,0,0.1);
  border-color: #fff;
}
.customize-theme .background
{
  margin-top: var(--m-2);
}
.customize-theme .choose-bg
{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .6rem;
}
.customize-theme .choose-bg > div
{
  padding: 0.9rem 0.35rem;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  border-radius: 0.4rem;
  cursor: pointer;
  background: var(--glass-surface);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.customize-theme .choose-bg > div.active 
{
  border: 2px solid var(--color-primary);
  box-shadow: var(--glass-strong-shadow);
  transform: translateY(-2px);
}
.customize-theme .choose-bg .bg-1
{
  background: hsl(252, 30%, 92%);
  color: hsl(252, 30%, 17%);
    }
    .customize-theme .choose-bg .bg-3
    {
      background: hsl(252, 30%, 10%);
      color: #fff;
    }
    .customize-theme .choose-bg > div span
    {
      width: 1.4rem;
      height: 1.4rem;
      border: 2px solid var(--color-gray);
      border-radius: 50%;
    }
    @media only screen and (max-width:1200px)
    {
      .customize-theme .card
      {
        width: 50vw;
      }
    }
    @media only screen and (max-width:968px)
    {
      .about-content,
      .about-img
      {
        flex: 0 0 100%;
        max-width: 100%;
      }
      .about-img
      {
        text-align: center;
        margin-bottom: var(--m-2-5);
      }
      .prices,
      .services .service-item
      {
        flex: 0 0 50%;
        max-width: 50%;
        margin-bottom: var(--m-2-5);
      }
      .price-item.best 
      {
        padding: var(--card-padding);
      }
      .prices:nth-child(odd)
      {
        margin-top: 0;
      }
      .prices:nth-child(1)
      {
        padding-right: 15px;
      }
      .prices:nth-child(2)
      {
        padding-right: 15px;
        padding-left: 15px;
      }
      .prices:nth-child(3)
      {
        padding-left: 15px;
      }
      .customize-theme .card
      {
        width: 58vw;
      }
    }
    @media only screen and (max-width:768px)
    {
      body 
      {
        margin: calc(var(--header-height) + var(--nav-offset)) 0 0 0;
      }
      .container
      {
        max-width: 568px;
      }
      .header .container
      {
        max-width: 100%;
        width: 100%;
      }
      .header
      {
        padding: 0 0.75rem;
      }
      .nav
      {
        height: var(--header-height);
        margin: 0;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
      }
      .nav-menu
      {
        position: fixed;
        inset: 0;
        margin: 0;
        padding: 1.25rem;
        width: 100%;
        height: 100vh;
        height: 100dvh;
        background:
          radial-gradient(circle at top left, hsla(var(--primary-color-hue), 75%, 60%, 0.24), transparent 45%),
          radial-gradient(circle at 85% 20%, hsla(var(--primary-color-hue), 75%, 60%, 0.18), transparent 55%),
          rgba(8, 12, 20, 0.55);
        z-index: 120;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: none;
        backdrop-filter: blur(14px) saturate(125%);
        display: grid;
        place-items: center;
        overflow-y: auto;
      }
      .nav-panel
      {
        width: min(540px, 92vw);
        max-height: calc(100dvh - 2.5rem);
        padding: 2.25rem 1.6rem calc(1.5rem + env(safe-area-inset-bottom, 0px));
        background: var(--glass-surface);
        background-color: rgba(255,255,255,0.92);
        border: var(--glass-border);
        box-shadow: var(--glass-strong-shadow);
        border-radius: 1.6rem;
        transform: translateY(26px) scale(0.98);
        transition: transform 0.35s ease;
        position: relative;
        display: grid;
        grid-template-rows: auto 1fr auto;
        gap: 1.5rem;
        overflow-y: auto;
        overscroll-behavior: contain;
      }
      .nav-panel::before
      {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(140deg, hsla(var(--primary-color-hue), 75%, 60%, 0.18), transparent 55%);
        opacity: 0.7;
        pointer-events: none;
      }
      .nav-panel-header
      {
        position: relative;
        display: grid;
        gap: 0.4rem;
        z-index: 1;
      }
      .nav-panel-kicker
      {
        text-transform: uppercase;
        letter-spacing: 0.28rem;
        font-size: 0.65rem;
        color: var(--color-gray);
      }
      .nav-panel-title-row
      {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
      }
      .nav-panel-title
      {
        margin: 0;
        font-size: 1.6rem;
      }
      .nav-panel-subtitle
      {
        margin: 0;
        color: var(--color-gray);
      }
      .nav-list
      {
        position: relative;
        z-index: 1;
        display: grid;
        gap: 0.9rem;
        counter-reset: navItem;
        width: 100%;
      }
      .nav-item
      {
        width: 100%;
      }
      .nav-link
      {
        width: 100%;
        padding: 0.95rem 1.1rem;
        border-radius: 1rem;
        display: grid;
        grid-template-columns: auto 1fr auto;
        align-items: center;
        column-gap: 0.8rem;
        background: linear-gradient(135deg, rgba(255,255,255,0.85), rgba(255,255,255,0.65));
        border: 1px solid rgba(0, 0, 0, 0.05);
        box-shadow: 0 12px 28px rgba(0,0,0,0.12);
        font-size: 1.05rem;
        position: relative;
        overflow: hidden;
      }
      .nav-link::before
      {
        counter-increment: navItem;
        content: counter(navItem, decimal-leading-zero);
        position: static;
        inset: auto;
        width: auto;
        height: auto;
        background: rgba(0,0,0,0.04);
        color: var(--color-gray);
        padding: 0.25rem 0.45rem;
        border-radius: 999px;
        letter-spacing: 0.16rem;
        font-size: 0.7rem;
        box-shadow: none;
        z-index: 1;
      }
      .nav-link::after
      {
        content: ">";
        font-size: 1.1rem;
        color: var(--color-primary);
        transition: transform 0.2s ease;
      }
      .nav-link:hover::after
      {
        transform: translateX(4px);
      }
      .nav-link.active-link
      {
        background: linear-gradient(135deg, hsla(var(--primary-color-hue), 75%, 60%, 0.22), rgba(255,255,255,0.75));
        border-color: hsla(var(--primary-color-hue), 75%, 60%, 0.25);
        box-shadow: 0 18px 34px rgba(0,0,0,0.16);
      }
      .nav-link.active-link::before
      {
        background: hsla(var(--primary-color-hue), 75%, 60%, 0.2);
        color: var(--color-dark);
      }
      .nav-link.active-link::after
      {
        color: var(--color-dark);
      }
      .nav-panel-footer
      {
        display: block;
        position: relative;
        z-index: 1;
        padding-top: 0.75rem;
        border-top: 1px dashed rgba(0,0,0,0.08);
      }
      .nav-panel-tip
      {
        font-size: 0.85rem;
        color: var(--color-gray);
      }
      /* show menu */
      .nav-menu.show-menu
      {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transition: opacity 0.35s ease;
      }
      .nav-menu.show-menu .nav-panel
      {
        transform: translateY(0) scale(1);
      }
      .nav-close,
      .nav-toggle
      {
        display: inline-flex;
      }
      .nav-close
      {
        position: static;
        top: auto;
        right: auto;
        width: 2.4rem;
        height: 2.4rem;
        padding: 0;
        border-radius: 50%;
        border: 1px solid rgba(0,0,0,0.08);
        background: rgba(255,255,255,0.8);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 10px 22px rgba(0,0,0,0.12);
        color: var(--color-dark);
        appearance: none;
      }
      .contact-data,
      .contact-form,
      .prices,
      .education,
      .experience,
      .services .service-item,
      .about-content .about-text,
      .about-content .skills
      {
        flex: 0 0 100%;
        max-width: 100%;
      }
      .fact-item,
      .blog-item,
      .portfolio-item
      {
        flex: 0 0 50%;
        max-width: 50%;
      }
      .about-content .about-text
      {
        margin-bottom: var(--m-1-5);
      }
      .contact-data,
      .blog-item,
      .education
      {
        margin-bottom: var(--m-2-5);
      }
      .customize-theme .card
      {
        width: 75vw;
      }
    }
    @media only screen and (min-width:769px) and (max-width:968px)
    {
      .header
      {
        padding: 0 1rem;
      }
      .nav
      {
        margin: 0;
      }
    }
    @media only screen and (max-width:576px)
    {
      .blog-item,
      .portfolio-item
      {
        flex: 0 0 100%;
        max-width: 100%;
      }
      .blog-item .inner,
      .portfolio-item-inner
      {
        max-width: 380px;
        margin: 0 auto;
      }
      .timeline
      {
        padding: 25px 20px;
      }
      .timeline .timeline-item
      {
        padding-left: 35px;
        padding-bottom: 20px;
      }
      .customize-theme .card
      {
        width: 96vw;
        padding: 1rem;
      }
    }
    @media only screen and (max-width:320px)
    {
      .fact-item
      {
        flex: 0 0 100%;
        max-width: 100%;
      }
      
    }

    @media (max-width: 480px) {
      .terminal {
        width: calc(100% - 2rem);
        margin-left: auto;
        margin-right: auto;
        font-size: 0.95rem;
        padding: 1rem;
      }
      .terminal__window {
        padding: 1rem;
      }
      .terminal__prompt {
        gap: 0.3rem;
      }
      .terminal__symbol {
        font-size: 0.95em;
      }
    }

    @media (max-width: 425px) {
      .terminal {
          font-size: 0.9rem;
      }
    }
  
    @media (max-width: 375px) {
      .terminal {
        font-size: 0.8rem ;
        
      }
  }
  
  .skills .row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 0.85rem;
  }
  .coursebox {
    width: 100%;
    background: var(--glass-surface);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0.9rem;
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
  }
  .coursebox:hover{
    transform: translateY(-3px);
    box-shadow: var(--glass-strong-shadow);
  }

  .coursecolor {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-primary);
    box-shadow: 0 0 0 6px hsla(var(--primary-color-hue), 75%, 60%, 0.15);
    flex-shrink: 0;
  }
  .course-groups {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
  .course-group {
    background: var(--glass-surface);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 1rem;
    padding: 0.9rem 0.95rem;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
  }
  .course-group-header {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
  }
  .course-group-label {
    padding: 0.3rem 0.9rem;
    font-size: 0.9rem;
  }
  .course-group-label .dot {
    box-shadow: 0 0 0 5px hsla(var(--primary-color-hue), 75%, 60%, 0.09);
  }
  .course-group-subtitle {
    margin: 0;
    color: var(--color-gray);
    font-size: 0.92rem;
    letter-spacing: 0.01em;
  }
  .course-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 0.65rem;
  }
  .course-group-extra {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 0.65rem;
    margin-top: 0.35rem;
  }
  .align {
    clear: both;
    margin: 90px auto 20px;
    width: 100%;
    max-width: 1170px;
    text-align: center;
  }
  
  .align > li {
    width: 500px;
    min-height: 300px;
    display: inline-block;
    margin: 30px 20px 30px 30px;
    padding: 0 0 0 60px;
    vertical-align: top;
  }
  
  /* ///////////////////////////////////////////////////
  
  HARDCOVER
  Table of Contents
  
  1. container
  2. background & color
  3. opening cover, back cover and pages
  4. position, transform y transition
  5. events
  6. Bonus
    - Cover design
    - Ribbon
    - Figcaption
  7. mini-reset
  
  /////////////////////////////////////////////////////*/
  
  /*
    1. container
  */
  
  .book {
    position: relative;
    width: 160px; 
    height: 220px;
    -webkit-perspective: 1000px;
    -moz-perspective: 1000px;
    perspective: 1000px;
    -webkit-transform-style: preserve-3d;
    -moz-transform-style: preserve-3d;
    transform-style: preserve-3d;
  }
  
  /*
    2. background & color
  */
  
  /* HARDCOVER FRONT */
  .hardcover_front li:first-child {
    background-color: #eee;
    -webkit-backface-visibility: hidden;
    -moz-backface-visibility: hidden;
    backface-visibility: hidden;
  }
  
  /* reverse */
  .hardcover_front li:last-child {
    background: #fffbec;
  }
  
  /* HARDCOVER BACK */
  .hardcover_back li:first-child {
    background: #fffbec;
  }
  
  /* reverse */
  .hardcover_back li:last-child {
    background: #fffbec;
  }
  
  .book_spine li:first-child {
    background: #eee;
  }
  .book_spine li:last-child {
    background: #333;
  }
  
  /* thickness of cover */
  
  .hardcover_front li:first-child:after,
  .hardcover_front li:first-child:before,
  .hardcover_front li:last-child:after,
  .hardcover_front li:last-child:before,
  .hardcover_back li:first-child:after,
  .hardcover_back li:first-child:before,
  .hardcover_back li:last-child:after,
  .hardcover_back li:last-child:before,
  .book_spine li:first-child:after,
  .book_spine li:first-child:before,
  .book_spine li:last-child:after,
  .book_spine li:last-child:before {
    background: #999;
  }
  
  /* page */
  
  .page > li {
    background: -webkit-linear-gradient(left, #e1ddd8 0%, #fffbf6 100%);
    background: -moz-linear-gradient(left, #e1ddd8 0%, #fffbf6 100%);
    background: -ms-linear-gradient(left, #e1ddd8 0%, #fffbf6 100%);
    background: linear-gradient(left, #e1ddd8 0%, #fffbf6 100%);
    box-shadow: inset 0px -1px 2px rgba(50, 50, 50, 0.1), inset -1px 0px 1px rgba(150, 150, 150, 0.2);
    border-radius: 0px 5px 5px 0px;
  }
  
  /*
    3. opening cover, back cover and pages
  */
  
  .hardcover_front {
    -webkit-transform: rotateY(-34deg) translateZ(8px);
    -moz-transform: rotateY(-34deg) translateZ(8px);
    transform: rotateY(-34deg) translateZ(8px);
    z-index: 100;
  }
  
  .hardcover_back {
    -webkit-transform: rotateY(-15deg) translateZ(-8px);
    -moz-transform: rotateY(-15deg) translateZ(-8px);
    transform: rotateY(-15deg) translateZ(-8px);
  }
  
  .page li:nth-child(1) {
    -webkit-transform: rotateY(-28deg);
    -moz-transform: rotateY(-28deg);
    transform: rotateY(-28deg);
  }
  
  .page li:nth-child(2) {
    -webkit-transform: rotateY(-30deg);
    -moz-transform: rotateY(-30deg);
    transform: rotateY(-30deg);
  }
  
  .page li:nth-child(3) {
    -webkit-transform: rotateY(-32deg);
    -moz-transform: rotateY(-32deg);
    transform: rotateY(-32deg);
  }
  
  .page li:nth-child(4) {
    -webkit-transform: rotateY(-34deg);
    -moz-transform: rotateY(-34deg);
    transform: rotateY(-34deg);
  }
  
  .page li:nth-child(5) {
    -webkit-transform: rotateY(-36deg);
    -moz-transform: rotateY(-36deg);
    transform: rotateY(-36deg);
  }
  
  /*
    4. position, transform & transition
  */
  
  .hardcover_front,
  .hardcover_back,
  .book_spine,
  .hardcover_front li,
  .hardcover_back li,
  .book_spine li {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    -webkit-transform-style: preserve-3d;
    -moz-transform-style: preserve-3d;
    transform-style: preserve-3d;
  }
  
  .hardcover_front,
  .hardcover_back {
    -webkit-transform-origin: 0% 100%;
    -moz-transform-origin: 0% 100%;
    transform-origin: 0% 100%;
  }
  
  .hardcover_front {
    -webkit-transition: all 0.8s ease, z-index 0.6s;
    -moz-transition: all 0.8s ease, z-index 0.6s;
    transition: all 0.8s ease, z-index 0.6s;
  }
  
  /* HARDCOVER front */
  .hardcover_front li:first-child {
    cursor: default;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    -webkit-transform: translateZ(2px);
    -moz-transform: translateZ(2px);
    transform: translateZ(2px);
  }
  
  .hardcover_front li:last-child {
    -webkit-transform: rotateY(180deg) translateZ(2px);
    -moz-transform: rotateY(180deg) translateZ(2px);
    transform: rotateY(180deg) translateZ(2px);
  }
  
  /* HARDCOVER back */
  .hardcover_back li:first-child {
    -webkit-transform: translateZ(2px);
    -moz-transform: translateZ(2px);
    transform: translateZ(2px);
  }
  
  .hardcover_back li:last-child {
    -webkit-transform: translateZ(-2px);
    -moz-transform: translateZ(-2px);
    transform: translateZ(-2px);
  }
  
  /* thickness of cover */
  .hardcover_front li:first-child:after,
  .hardcover_front li:first-child:before,
  .hardcover_front li:last-child:after,
  .hardcover_front li:last-child:before,
  .hardcover_back li:first-child:after,
  .hardcover_back li:first-child:before,
  .hardcover_back li:last-child:after,
  .hardcover_back li:last-child:before,
  .book_spine li:first-child:after,
  .book_spine li:first-child:before,
  .book_spine li:last-child:after,
  .book_spine li:last-child:before {
    position: absolute;
    top: 0;
    left: 0;
  }
  
  /* HARDCOVER front */
  .hardcover_front li:first-child:after,
  .hardcover_front li:first-child:before {
    width: 4px;
    height: 100%;
  }
  
  .hardcover_front li:first-child:after {
    -webkit-transform: rotateY(90deg) translateZ(-2px) translateX(2px);
    -moz-transform: rotateY(90deg) translateZ(-2px) translateX(2px);
    transform: rotateY(90deg) translateZ(-2px) translateX(2px);
  }
  
  .hardcover_front li:first-child:before {
    -webkit-transform: rotateY(90deg) translateZ(158px) translateX(2px);
    -moz-transform: rotateY(90deg) translateZ(158px) translateX(2px);
    transform: rotateY(90deg) translateZ(158px) translateX(2px);
  }
  
  .hardcover_front li:last-child:after,
  .hardcover_front li:last-child:before {
    width: 4px;
    height: 160px;
  }
  
  .hardcover_front li:last-child:after {
    -webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(-2px) translateY(-78px);
    -moz-transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(-2px) translateY(-78px);
    transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(-2px) translateY(-78px);
  }
  .hardcover_front li:last-child:before {
    box-shadow: 0px 0px 30px 5px #333;
    -webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(-140px) translateX(-2px) translateY(-78px);
    -moz-transform: rotateX(90deg) rotateZ(90deg) translateZ(-140px) translateX(-2px) translateY(-78px);
    transform: rotateX(90deg) rotateZ(90deg) translateZ(-140px) translateX(-2px) translateY(-78px);
  }
  
  /* thickness of cover */
  
  .hardcover_back li:first-child:after,
  .hardcover_back li:first-child:before {
    width: 4px;
    height: 100%;
  }
  
  .hardcover_back li:first-child:after {
    -webkit-transform: rotateY(90deg) translateZ(-2px) translateX(2px);
    -moz-transform: rotateY(90deg) translateZ(-2px) translateX(2px);
    transform: rotateY(90deg) translateZ(-2px) translateX(2px);
  }
  .hardcover_back li:first-child:before {
    -webkit-transform: rotateY(90deg) translateZ(158px) translateX(2px);
    -moz-transform: rotateY(90deg) translateZ(158px) translateX(2px);
    transform: rotateY(90deg) translateZ(158px) translateX(2px);
  }
  
  .hardcover_back li:last-child:after,
  .hardcover_back li:last-child:before {
    width: 4px;
    height: 160px;
  }
  
  .hardcover_back li:last-child:after {
    -webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(2px) translateY(-78px);
    -moz-transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(2px) translateY(-78px);
    transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(2px) translateY(-78px);
  }
  
  .hardcover_back li:last-child:before {
    box-shadow: 10px -1px 80px 20px #666;
    -webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(-140px) translateX(2px) translateY(-78px);
    -moz-transform: rotateX(90deg) rotateZ(90deg) translateZ(-140px) translateX(2px) translateY(-78px);
    transform: rotateX(90deg) rotateZ(90deg) translateZ(-140px) translateX(2px) translateY(-78px);
  }
  
  /* BOOK SPINE */
  .book_spine {
    -webkit-transform: rotateY(60deg) translateX(-5px) translateZ(-12px);
    -moz-transform: rotateY(60deg) translateX(-5px) translateZ(-12px);
    transform: rotateY(60deg) translateX(-5px) translateZ(-12px);
    width: 16px;
    z-index: 0;
  }
  
  .book_spine li:first-child {
    -webkit-transform: translateZ(2px);
    -moz-transform: translateZ(2px);
    transform: translateZ(2px);
  }
  
  .book_spine li:last-child {
    -webkit-transform: translateZ(-2px);
    -moz-transform: translateZ(-2px);
    transform: translateZ(-2px);
  }
  
  /* thickness of book spine */
  .book_spine li:first-child:after,
  .book_spine li:first-child:before {
    width: 4px;
    height: 100%;
  }
  
  .book_spine li:first-child:after {
    -webkit-transform: rotateY(90deg) translateZ(-2px) translateX(2px);
    -moz-transform: rotateY(90deg) translateZ(-2px) translateX(2px);
    transform: rotateY(90deg) translateZ(-2px) translateX(2px);
  }
  
  .book_spine li:first-child:before {
    -webkit-transform: rotateY(-90deg) translateZ(-12px);
    -moz-transform: rotateY(-90deg) translateZ(-12px);
    transform: rotateY(-90deg) translateZ(-12px);
  }
  
  .book_spine li:last-child:after,
  .book_spine li:last-child:before {
    width: 4px;
    height: 16px;
  }
  
  .book_spine li:last-child:after {
    -webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(8px) translateX(2px) translateY(-6px);
    -moz-transform: rotateX(90deg) rotateZ(90deg) translateZ(8px) translateX(2px) translateY(-6px);
    transform: rotateX(90deg) rotateZ(90deg) translateZ(8px) translateX(2px) translateY(-6px);
  }
  
  .book_spine li:last-child:before {
    box-shadow: 5px -1px 100px 40px rgba(0, 0, 0, 0.2);
    -webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(-210px) translateX(2px) translateY(-6px);
    -moz-transform: rotateX(90deg) rotateZ(90deg) translateZ(-210px) translateX(2px) translateY(-6px);
    transform: rotateX(90deg) rotateZ(90deg) translateZ(-210px) translateX(2px) translateY(-6px);
  }
  
  .page,
  .page > li {
    position: absolute;
    top: 0;
    left: 0;
    -webkit-transform-style: preserve-3d;
    -moz-transform-style: preserve-3d;
    transform-style: preserve-3d;
  }
  
  .page {
    width: 100%;
    height: 98%;
    top: 1%;
    left: 3%;
    z-index: 10;
  }
  
  .page > li {
    width: 100%;
    height: 100%;
    -webkit-transform-origin: left center;
    -moz-transform-origin: left center;
    transform-origin: left center;
    -webkit-transition-property: transform;
    -moz-transition-property: transform;
    transition-property: transform;
    -webkit-transition-timing-function: ease;
    -moz-transition-timing-function: ease;
    transition-timing-function: ease;
  }
  
  .page > li:nth-child(1) {
    -webkit-transition-duration: 0.6s;
    -moz-transition-duration: 0.6s;
    transition-duration: 0.6s;
  }
  
  .page > li:nth-child(2) {
    -webkit-transition-duration: 0.6s;
    -moz-transition-duration: 0.6s;
    transition-duration: 0.6s;
  }
  
  .page > li:nth-child(3) {
    -webkit-transition-duration: 0.4s;
    -moz-transition-duration: 0.4s;
    transition-duration: 0.4s;
  }
  
  .page > li:nth-child(4) {
    -webkit-transition-duration: 0.5s;
    -moz-transition-duration: 0.5s;
    transition-duration: 0.5s;
  }
  
  .page > li:nth-child(5) {
    -webkit-transition-duration: 0.6s;
    -moz-transition-duration: 0.6s;
    transition-duration: 0.6s;
  }
  
  /*
    5. events
  */
  
  .book:hover > .hardcover_front {
    -webkit-transform: rotateY(-145deg) translateZ(0);
    -moz-transform: rotateY(-145deg) translateZ(0);
    transform: rotateY(-145deg) translateZ(0);
    z-index: 0;
  }
  
  .book:hover > .page li:nth-child(1) {
    -webkit-transform: rotateY(-30deg);
    -moz-transform: rotateY(-30deg);
    transform: rotateY(-30deg);
    -webkit-transition-duration: 1.5s;
    -moz-transition-duration: 1.5s;
    transition-duration: 1.5s;
  }
  
  .book:hover > .page li:nth-child(2) {
    -webkit-transform: rotateY(-35deg);
    -moz-transform: rotateY(-35deg);
    transform: rotateY(-35deg);
    -webkit-transition-duration: 1.8s;
    -moz-transition-duration: 1.8s;
    transition-duration: 1.8s;
  }
  
  .book:hover > .page li:nth-child(3) {
    -webkit-transform: rotateY(-118deg);
    -moz-transform: rotateY(-118deg);
    transform: rotateY(-118deg);
    -webkit-transition-duration: 1.6s;
    -moz-transition-duration: 1.6s;
    transition-duration: 1.6s;
  }
  
  .book:hover > .page li:nth-child(4) {
    -webkit-transform: rotateY(-130deg);
    -moz-transform: rotateY(-130deg);
    transform: rotateY(-130deg);
    -webkit-transition-duration: 1.4s;
    -moz-transition-duration: 1.4s;
    transition-duration: 1.4s;
  }
  
  .book:hover > .page li:nth-child(5) {
    -webkit-transform: rotateY(-140deg);
    -moz-transform: rotateY(-140deg);
    transform: rotateY(-140deg);
    -webkit-transition-duration: 1.2s;
    -moz-transition-duration: 1.2s;
    transition-duration: 1.2s;
  }
  
  /*
    6. Bonus
  */
  
  /* cover CSS */
  
  .coverDesign {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    overflow: hidden;
    -webkit-backface-visibility: hidden;
    -moz-backface-visibility: hidden;
    backface-visibility: hidden;
  }
  
  .coverDesign::after {
    background-image: -webkit-linear-gradient( -135deg, rgba(255, 255, 255, 0.45) 0%, transparent 100%);
    background-image: -moz-linear-gradient( -135deg, rgba(255, 255, 255, 0.45) 0%, transparent 100%);
    background-image: linear-gradient( -135deg, rgba(255, 255, 255, 0.45) 0%, transparent 100%);
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
  }
  
  .coverDesign h1 {
    color: #fff;
    font-size: 2.2em;
    letter-spacing: 0.05em;
    text-align: center;
    margin: 54% 0 0 0;
    text-shadow: -1px -1px 0 rgba(0,0,0,0.1);
  }
  
  .coverDesign p {
    color: #f8f8f8;
    font-size: 1em;
    text-align: center;
    text-shadow: -1px -1px 0 rgba(0,0,0,0.1);
  }
  
  .yellow {
    background-color: #f1c40f;
    background-image: -webkit-linear-gradient(top, #f1c40f 58%, #e7ba07 0%);
    background-image: -moz-linear-gradient(top, #f1c40f 58%, #e7ba07 0%);
    background-image: linear-gradient(top, #f1c40f 58%, #e7ba07 0%);
  }
  
  .blue {
    background-color: #3498db;
    background-image: -webkit-linear-gradient(top, #3498db 58%, #2a90d4 0%);
    background-image: -moz-linear-gradient(top, #3498db 58%, #2a90d4 0%);
    background-image: linear-gradient(top, #3498db 58%, #2a90d4 0%);
  }
  
  .grey {
    background-color: #f8e9d1;
    background-image: -webkit-linear-gradient(top, #f8e9d1 58%, #e7d5b7 0%);
    background-image: -moz-linear-gradient(top, #f8e9d1 58%, #e7d5b7 0%);
    background-image: linear-gradient(top, #f8e9d1 58%, #e7d5b7 0%);
  }
  
  /* Basic ribbon */
  
  .ribbon {
    background: #c0392b;
    color: #fff;
    display: block;
    font-size: 0.7em;
    position: absolute;
    top: 11px;
    right: 1px;
    width: 40px;
    height: 20px;
    line-height: 20px;
    letter-spacing: 0.15em; 
    text-align: center;
    -webkit-transform: rotateZ(45deg) translateZ(1px);
    -moz-transform: rotateZ(45deg) translateZ(1px);
    transform: rotateZ(45deg) translateZ(1px);
    -webkit-backface-visibility: hidden;
    -moz-backface-visibility: hidden;
    backface-visibility: hidden;
    z-index: 10;
  }
  
  .ribbon::before,
  .ribbon::after{
    position: absolute;
    top: -20px;
    width: 0;
    height: 0;
    border-bottom: 20px solid #c0392b;
    border-top: 20px solid transparent;
  }
  
  .ribbon::before{
    left: -20px;
    border-left: 20px solid transparent;
  }
  
  .ribbon::after{
    right: -20px;
    border-right: 20px solid transparent;
  }
  
  /* figcaption */
  
  figcaption {
    padding-left: 40px;
    text-align: left;
    position: absolute;
    top: 0%;
    left: 160px;
    width: 310px;
  }
  
  figcaption h1 {
    margin: 0;
  }
  
  figcaption span {
    color: #16a085;
    padding: 0.6em 0 1em 0;
    display: block;
  }
  
  figcaption p {
    color: var(--color-gray);
    line-height: 1.3;
  }
  
  /* Media Queries */
  @media screen and (max-width: 37.8125em) {
    .align > li {
      width: 100%;
      min-height: 440px;
      height: auto;
      padding: 0;
      margin: 0 0 30px 0;
    }
  
    .book {
      margin: 0 auto;
    }
  
    figcaption {
      text-align: center;
      width: 320px;
      top: 250px;
      padding-left: 0;
      left: -80px;
      font-size: 90%;
    }
  }

  .pl {
    margin-top: 3rem;
    margin-bottom: 1rem;
  }
  .build-container {
    margin-top: 1rem;
  }
  .workflow-halo {
    font-size: 0.85rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-gray);
    margin: -0.75rem 0 0.15rem;
    opacity: 0.85;
  }
  .workflow-halo::before,
  .workflow-halo::after {
    content: "";
    display: inline-block;
    width: 2rem;
    height: 1px;
    background: currentColor;
    margin: 0 0.75rem;
    opacity: 0.4;
    vertical-align: middle;
  }
  .stack-clusters {
    display: grid;
    gap: 1.1rem;
    padding: 0 15px 1.5rem;
  }
  .stack-cluster {
    background: var(--glass-surface);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 1.15rem;
    padding: 1.1rem;
  }
  .cluster-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 0.45rem;
  }
  .cluster-description {
    margin: 0;
    color: var(--color-gray);
    font-size: 0.95rem;
    letter-spacing: 0.01em;
  }
  .howbuild-bridge,
  .howbuild-maturity {
    margin: 0;
    color: var(--color-gray);
    font-weight: var(--font-medium);
    line-height: 1.3;
    letter-spacing: 0.03em;
  }
  .howbuild-bridge {
    font-size: 0.82rem;
    opacity: 0.85;
  }
  .howbuild-maturity {
    font-size: 0.78rem;
    opacity: 0.72;
  }
  .tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    padding: 1rem 0 2rem;
  }
  .stack-cluster .tech-grid {
    padding: 0.35rem 0 0.65rem;
    gap: 0.9rem;
  }
  .howbuild-footer-note {
    margin: 0.5rem auto 0;
    text-align: center;
    color: var(--color-gray);
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    opacity: 0.78;
  }
  .stack-cluster.cluster-secondary {
    background: linear-gradient(135deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02)), var(--glass-surface);
    box-shadow: 0 14px 36px rgba(0,0,0,0.28);
    border-color: rgba(255,255,255,0.06);
  }
  .about .tech-container {
    padding-top: 2rem;
    padding-bottom: 3rem;
  }
  .tech-card {
    background: var(--glass-surface);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 1rem;
    padding: 0.85rem 0.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.65rem;
    position: relative;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
  }
  .tech-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--glass-strong-shadow);
  }
  .tech-card img {
    width: 56px;
    height: 56px;
    object-fit: contain;
    filter: drop-shadow(0 10px 16px rgba(0,0,0,0.08));
  }
  .tech-emblem {
    width: 56px;
    height: 56px;
    border-radius: 1rem;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    display: grid;
    place-items: center;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--color-dark);
    text-transform: uppercase;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
  }
  .tech-card span {
    font-size: 0.95rem;
    color: var(--color-dark);
    letter-spacing: 0.01em;
  }
  .tech-tooltip {
    position: absolute;
    bottom: calc(100% + 12px);
    left: 50%;
    transform: translate(-50%, 8px);
    background: var(--glass-surface);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 0.85rem;
    padding: 0.55rem 0.75rem;
    color: var(--color-dark);
    font-size: 0.9rem;
    line-height: 1.35;
    width: min(240px, 76vw);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 3;
  }
  .tech-tooltip::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    width: 12px;
    height: 12px;
    background: var(--glass-surface);
    border: var(--glass-border);
    transform: translate(-50%, -50%) rotate(45deg);
    border-radius: 0.2rem;
  }
  .tech-card:hover .tech-tooltip,
  .tech-card.tooltip-active .tech-tooltip {
    opacity: 1;
    transform: translate(-50%, 0);
    pointer-events: auto;
  }
  .tech-ecosystem {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
  }
  .tech-ecosystem[data-ecosystem="python"] {
    grid-column: span 2;
  }
  @media (max-width: 900px) {
    .tech-ecosystem[data-ecosystem="python"] {
      grid-column: span 1;
    }
  }
  .ecosystem-drawer {
    background: var(--glass-surface);
    border: var(--glass-border);
    box-shadow: var(--glass-strong-shadow);
    border-radius: 1rem;
    padding: 0.9rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    width: 100%;
    backdrop-filter: blur(18px);
  }
  .drawer-heading {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-gray);
  }
  .chip-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--color-gray);
    opacity: 0.85;
  }
  .ecosystem-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
  }
  .chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
  }
  .ecosystem-chip {
    background: hsla(var(--primary-color-hue), 75%, 60%, 0.14);
    border: 1px solid hsla(var(--primary-color-hue), 75%, 60%, 0.32);
    border-radius: 999px;
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    letter-spacing: 0.03em;
    color: var(--color-dark);
    backdrop-filter: blur(6px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.1);
  }
  @media (max-width: 599px) {
    .pl {
      text-align: center;
      margin-top: 2.4rem;
    }
    .stack-cluster {
      padding: 0.95rem;
    }
    .tech-grid {
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
    .cluster-description {
      font-size: 0.9rem;
    }
    .workflow-halo {
      text-align: center;
      margin-bottom: 0.35rem;
      letter-spacing: 0.12em;
    }
    .workflow-halo::before,
    .workflow-halo::after {
      display: none;
    }
  }