:root{
      --bg:#a3a5ad;
      --card:#111827;
      --text:#e5e7eb;
      --muted:#b8bfca;
      --accent:#22c55e;
      --accent-soft:#4ade80;
      --link:#38bdf8;
      --link-visited:#a78bfa;
      --border:#1f2937;
    }

    *{box-sizing:border-box}

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      background: var(--bg);
      color: var(--text);
    }

    .container {
      max-width: 1000px;
      margin: auto;
      padding: 40px 20px;
    }

    h1 {
      font-size: 2.6rem;
      margin-bottom: 5px;
      letter-spacing: -0.5px;
    }

    h2 {
      margin-top: 60px;
      padding-bottom: 8px;
      border-bottom: 1px solid var(--border);
    }

    p {
      line-height: 1.7;
      color: var(--muted);
    }

    a {
      color: var(--link);
      text-decoration: none;
      font-weight: 500;
      transition: 0.2s;
    }

    a:visited {
      color: var(--link-visited);
    }

    a:hover {
      color: white;
      text-decoration: underline;
    }

    .hero {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 30px;
      background: linear-gradient(145deg, #020617, #020617);
      padding: 25px;
      border-radius: 16px;
      border: 1px solid var(--border);
      box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    }

    .hero img {
      width: 180px;
      border-radius: 14px;
      border: 2px solid var(--border);
    }

    .subtitle {
      color: var(--accent);
      font-weight: 600;
      margin-bottom: 10px;
    }

    .buttons a {
      display: inline-block;
      margin-right: 12px;
      margin-top: 12px;
      padding: 10px 18px;
      border-radius: 8px;
      font-weight: bold;
      border: 1px solid var(--border);
    }

    .buttons a.primary {
      background: var(--accent);
      color: #022c22;
    }

    .buttons a.secondary {
      background: transparent;
    }

    .card {
      background: var(--card);
      padding: 25px;
      border-radius: 14px;
      margin-top: 25px;
      border: 1px solid var(--border);
      transition: 0.2s;
    }

    .card:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    }

    .videos {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
      margin-top: 20px;
    }

    footer {
      margin-top: 70px;
      font-size: 0.85rem;
      color: #6b7280;
      text-align: center;
    }

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