:root {
      --primary: #00ff9d; /* Verde neon pra vibe anime/tech */
      --bg: #0d1117;
      --text: #c9d1d9;
      --card: #161b22;
    }
    body {
      margin: 0;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.6;
    }
    header {
      background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
      padding: 120px 20px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    header::before {
      content: "";
      position: absolute;
      top: 0; left: 0; right: 0; bottom: 0;
      background: url('https://via.placeholder.com/1200x600/000000/00ff9d?text=Transmutation+Circle+Subtle') center/cover;
      opacity: 0.12;
      pointer-events: none;
      mix-blend-mode: screen; /* dá um glow legal */
    }
    h1, h2 {
      color: var(--primary);
      text-shadow: 0 0 15px rgba(0, 255, 157, 0.7), 0 0 30px rgba(0, 255, 157, 0.4);
      position: relative;
      z-index: 1;
    }
    h1 { font-size: 4em; margin: 0; }
    .container { max-width: 1100px; margin: 0 auto; padding: 20px; }
    section { margin: 80px 0; }
    .projects { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
    .project-card {
      background: var(--card);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 4px 20px rgba(0,255,157,0.08);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    .project-card:hover {
      transform: translateY(-12px);
      box-shadow: 0 12px 40px rgba(0,255,157,0.2);
    }
    .project-card img {
      width: 100%;
      height: 220px;
      object-fit: cover;
    }
    .project-info { padding: 24px; }
    .btn {
      display: inline-block;
      background: var(--primary);
      color: #000;
      padding: 12px 24px;
      border-radius: 6px;
      text-decoration: none;
      font-weight: bold;
      margin: 8px 8px 0 0;
      transition: background 0.3s;
    }
    .btn:hover { background: #00cc7a; }
    footer { text-align: center; padding: 50px 20px; background: var(--card); font-size: 0.9em; }

    section{
      text-align: center;
    }