:root {
      --bg-color: #0d1117;
      --text-color: #c9d1d9;
      --header-bg: #161b22;
      --header-text: #58a6ff;
      --card-bg: #21262d;
      --accent: #58a6ff;
    }

    body[data-theme="light"] {
      --bg-color: #f4f4f4;
      --text-color: #333;
      --header-bg: #333;
      --header-text: #fff;
      --card-bg: #fff;
      --accent: #007acc;
    }

    body {
      margin: 0;
      font-family: Inter, system-ui, sans-serif;
      background: var(--bg-color);
      color: var(--text-color);
      transition: background 0.3s, color 0.3s;
    }

    header {
      background: var(--bg-color);
      color: var(--header-text);
      padding: 20px 0;
      text-align: center;
      border-bottom: 2px solid var(--accent);
    }

    header h1 {
      margin: 10px 0 5px;
    }

    header img {
      width: 120px;
      height: 120px;
      border-radius: 50%;
      border: 3px solid var(--accent);
    }

    nav {
      margin-top: 10px;
    }

    nav a {
      color: var(--accent);
      margin: 0 15px;
      text-decoration: none;
      font-weight: bold;
    }

    nav a:hover {
      text-decoration: underline;
    }

    section {
      padding: 20px;
      max-width: 1300px;
      margin: auto;
    }

    h2 {
      color: var(--accent);
      border-bottom: 1px solid var(--accent);
      padding-bottom: 5px;
    }

    .projects {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
    }

    .project {
      background: var(--card-bg);
      padding: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
      transition: transform 0.2s ease;
    }

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

    .project h3 {
      margin-top: 0;
      color: var(--accent);
    }

    a {
      color: var(--accent);
    }

    footer {
      text-align: center;
      background: var(--bg-color);
      color: var(--header-text);
      padding: 15px;
      margin-top: 20px;
      border-top: 2px solid var(--accent);
    }

    .theme-toggle {
      margin-top: 10px;
      padding: 6px 12px;
      border: none;
      border-radius: 5px;
      cursor: pointer;
      background: var(--accent);
      color: #fff;
      font-weight: bold;
    }




    /* section {
      padding: 64px 8%;
    } */

    h1,
    h2,
    h3 {
      color: #fff;
    }

    p {
      color: #cbd5f5;
      line-height: 1.6;
    }

    .cta-btn {
      display: inline-block;
      margin-top: 16px;
      padding: 12px 22px;
      background: linear-gradient(135deg, #38bdf8, #0ea5e9);
      color: #020617;
      font-weight: 600;
      border-radius: 10px;
      text-decoration: none;
    }

    .grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 20px;
      margin-top: 32px;
    }

    .card {
      background: #020617;
      border: 1px solid #1e293b;
      border-radius: 16px;
      padding: 24px;
    }

    table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 32px;
    }

    th,
    td {
      border: 1px solid #1e293b;
      padding: 12px;
      text-align: center;
    }

    th {
      background: #020617;
    }

    @media (max-width: 600px) {
      section {
        padding: 48px 6%;
      }

      h1 {
        font-size: 28px;
      }
    }