* {
      margin: 0; padding: 0; box-sizing: border-box;
    }

    body {
      font-family: 'Segoe UI', sans-serif;
      background-color: #f4f4f4;
      color: #333;
    }

    header {
      position: relative;
      z-index: 1;
      height: 400px;
      text-align: center;
      color: white;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
    }

    header h1 {
      font-size: 2.5rem;
    }

    header p {
      font-size: 1.2rem;
      margin-top: 0.5rem;
    }

    canvas.webgl-bg {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 400px; /* or match header height */
      z-index: 0;
      pointer-events: none; /* allow clicks to go through */
    }

    .profile-image {
      width: 100px;
      border-radius: 50%;
      margin-top: 1em;
    }

    .profile-image {
      width: 140px;
      height: 140px;
      border-radius: 50%;
      object-fit: cover;
      margin: 1rem auto;
      display: block;
      border: 4px solid #2f81f7;
    }

    .container {
      max-width: 1200px;
      margin: 2rem auto;
      padding: 0 1rem;
    }

    .section-title {
      font-size: 2rem;
      margin-bottom: 1rem;
      text-align: center;
    }

    .filter-buttons {
      text-align: center;
      margin-bottom: 2rem;
    }

    .filter-buttons button {
      margin: 0.5rem;
      padding: 0.5rem 1rem;
      border: none;
      border-radius: 20px;
      background-color: #0d1117;
      color: #fff;
      cursor: pointer;
      transition: background-color 0.3s;
    }

    .filter-buttons button:hover {
      background-color: #2f81f7;
    }

    .projects {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 1.5rem;
    }

    .project-card {
      background-color: #fff;
      border-radius: 10px;
      box-shadow: 0 4px 8px rgba(0,0,0,0.1);
      padding: 1rem;
      transition: transform 0.3s;
    }

    .project-card:hover {
      transform: translateY(-5px);
    }

    .project-image {
      width: 100%;
      height: 180px;
      object-fit: cover;
      border-radius: 8px;
      margin-bottom: 0.75rem;
    }

    .project-title {
      font-size: 1.25rem;
      margin-bottom: 0.5rem;
    }

    .project-description {
      font-size: 0.95rem;
      color: #555;
    }

    footer {
      text-align: center;
      padding: 2rem 1rem;
      background-color: #0d1117;
      color: #ccc;
      margin-top: 3rem;
    }

    @media (max-width: 600px) {
      header h1 {
        font-size: 2rem;
      }

      .project-image {
        height: 150px;
      }
    }