/* Reset */
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body, html {
      height: 100%;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
        Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
      background-color: #0a192f; /* dark blue background */
      color: #cbd5e1; /* light text for contrast */
      scroll-behavior: smooth;
      overflow-x: hidden;
      position: relative;
    }
    a {
      color: #64ffda;
      text-decoration: none;
      cursor: pointer;
      position: relative;
      display: inline-block;
      padding: 0.25rem 0.5rem;
      border-radius: 4px;
      transition: background-color 0.3s ease, color 0.3s ease;
    }
    a:hover, a:focus {
      background-color: rgba(100, 255, 218, 0.1);
      color: #a2f7e7;
      outline: none;
    }

    /* Layout */
    .container {
      display: flex;
      min-height: 100vh;
      max-width: 1100px;
      margin: 0 auto;
      /* Removed vertical border lines */
      position: relative;
      z-index: 1;
      background: transparent;
    }

    /* Sidebar */
    .sidebar {
      width: 280px;
      padding: 3rem 2rem;
      /* Removed border-right */
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      background-color: transparent;
      position: sticky;
      top: 0;
      height: 100vh;
      color: #64ffda;
      user-select: none;
    }
    .sidebar-header {
      font-weight: 700;
      font-size: 2.25rem;
      margin-bottom: 2rem;
      color: #64ffda;
    }
    nav {
      display: flex;
      flex-direction: column;
      gap: 1rem;
      font-weight: 600;
      font-size: 1.1rem;
      color: #64ffda;
    }
    nav a {
      padding-left: 0.5rem;
      color: #64ffda;
      transition: color 0.3s ease;
    }
    nav a.active {
      color: #a2f7e7;
      font-weight: 700;
    }
    nav a:hover, nav a:focus {
      background-color: rgba(100, 255, 218, 0.15);
      border-radius: 4px;
      color: #a2f7e7;
    }

    /* Social links */
    .social-links {
      margin-top: auto;
      display: flex;
      gap: 1rem;
    }
    .social-links a {
      font-size: 1.5rem;
      color: #64ffda;
      transition: color 0.3s ease;
    }
    .social-links a:hover, .social-links a:focus {
      color: #a2f7e7;
    }

    /* Main content */
    main {
      flex: 1;
      padding: 3rem 3rem 6rem 3rem;
      overflow-y: auto;
      color: #cbd5e1;
    }
    section {
      margin-bottom: 4rem;
      max-width: 700px;
    }
    h2 {
      font-weight: 700;
      font-size: 1.75rem;
      margin-bottom: 1rem;
      border-bottom: 2px solid rgba(100, 255, 218, 0.3);
      padding-bottom: 0.25rem;
      color: #64ffda;
    }
    h3 {
      font-weight: 600;
      font-size: 1.25rem;
      margin-top: 1.5rem;
      margin-bottom: 0.5rem;
      color: #a2f7e7;
    }
    p {
      line-height: 1.6;
      margin-bottom: 1rem;
      color: #cbd5e1;
    }
    ul {
      list-style-type: disc;
      margin-left: 1.5rem;
      margin-bottom: 1rem;
      color: #cbd5e1;
    }
    li {
      margin-bottom: 0.25rem;
    }
    .experience-item, .project {
      margin-bottom: 2rem;
    }
    .experience-header {
      font-weight: 700;
      font-size: 1.1rem;
      color: #64ffda;
      margin-bottom: 0.25rem;
    }
    .experience-dates {
      font-style: italic;
      color: #7fdbca;
      margin-bottom: 0.5rem;
    }
    .project-title {
      font-weight: 700;
      font-size: 1.1rem;
      margin-bottom: 0.25rem;
      color: #64ffda;
    }
    .project-tech {
      list-style-type: disc;
      margin-left: 1.5rem;
      color: #cbd5e1;
    }
   

    /* Responsive */
    @media (max-width: 900px) {
      .container {
        flex-direction: column;
      }
      .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        /* Removed border-bottom */
        padding: 2rem 1.5rem;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
      }
      .sidebar-header {
        font-size: 1.5rem;
        margin-bottom: 0;
      }
      nav {
        flex-direction: row;
        gap: 1rem;
        font-size: 1rem;
      }
      main {
        padding: 2rem 1.5rem 4rem 1.5rem;
      }
    }

    /* Scrollbar for main content */
    main::-webkit-scrollbar {
      width: 8px;
    }
    main::-webkit-scrollbar-track {
      background: rgba(10, 25, 47, 0.3);
    }
    main::-webkit-scrollbar-thumb {
      background: #64ffda;
      border-radius: 4px;
    }
    main::-webkit-scrollbar-thumb:hover {
      background: #a2f7e7;
    }

    /* Spotlight effect overlay */
    #spotlight {
      pointer-events: none;
      position: fixed;
      top: 0; left: 0;
      width: 100vw;
      height: 100vh;
      z-index: 0;
      background:
        radial-gradient(
          circle 200px at var(--x, 50%) var(--y, 50%),
          rgba(100, 255, 218, 0.3),
          transparent 80%
        );
      mix-blend-mode: screen;
      transition: background-position 0.1s ease;
    }
    .skills {
  margin-top: 2rem;
  background: rgba(255, 255, 255, 0.05);
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.skill {
  margin-bottom: 1.2rem;
}

.skill span {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  color: #64ffda;
  margin-bottom: 0.3rem;
}

.progress-bar {
  background: #233554;
  border-radius: 10px;
  overflow: hidden;
  height: 18px;
  position: relative;
}

.progress {
  height: 100%;
  background-color: #0a192f;
  text-align: right;
  padding-right: 8px;
  color: #fff;
  font-size: 0.8rem;
  font-weight: bold;
  border-radius: 10px 0 0 10px;
  transition: width 1s ease-in-out;
}