:root {
      --bg: #1a1a1a;
      --card-bg: #2a2a2a;
      --text: #e0e0e0;
      --text-muted: #aaa;
    }

    body {
      font-family: Arial, sans-serif;
      background-color: var(--bg);
      color: var(--text);
      margin: 0;
      padding: 0;
    }

    header {
      text-align: center;
      padding: 40px 16px 10px;

    }
    .header-banner {
    width: 100%;
    height: auto;
    max-height: 250px;
    object-fit: contain;
    border-top: 2px solid var(--card-bg);
    border-bottom: 2px solid var(--card-bg);
    margin-top: 20px;
    }
    
    header h1 {
      color: #ffc00f;
      margin-bottom: 10px;
      font-size: 2.4em;
    }

    header p {
      color: var(--text-muted);
      font-size: 14px;
      margin-top: 0;
    }

    main {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 24px;
      max-width: 900px;
      margin: 40px auto;
      padding: 0 20px;
    }

      .tool-card {
      background-color: var(--card-bg);
      border: 2px solid var(--accent, #ffc00f);
      border-radius: 10px;
      box-shadow: 0 2px 6px rgba(0,0,0,0.4);
      overflow: hidden;
      transition: transform 0.2s, box-shadow 0.2s;
      width: 100%;
      display: flex;
      flex-direction: row;
      align-items: center; 
      gap: 0;
    }


    .tool-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 4px 12px rgba(0,0,0,0.6);
    }

    .tool-card img {
      width: 40%;
      height: 100%;
      object-fit: cover;
      flex-shrink: 0;
    }

    .tool-card-content {
      padding: 20px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .tool-card h2 {
      color: var(--accent, #ffc00f);
      font-size: 22px;
      margin: 0 0 8px 0;
    }

    .tool-card p {
      font-size: 15px;
      color: var(--text-muted);
      margin-bottom: 16px;
    }

    .tool-card a {
      display: inline-block;
      text-align: center;
      background: var(--accent, #ffc00f);
      color: black;
      text-decoration: none;
      padding: 8px 14px;
      border-radius: 4px;
      font-weight: bold;
      width: fit-content;
      transition: background 0.2s;
    }

    .tool-card a:hover {
      background: color-mix(in srgb, var(--accent, #ffc00f) 80%, white);
    }

    footer {
      text-align: center;
      padding: 20px;
      font-size: 13px;
      color: var(--text-muted);
      border-top: 1px solid var(--card-bg);
    }

    @media (max-width: 700px) {
      .tool-card {
        flex-direction: column;
      }
      .tool-card img {
        width: 100%;
        height: auto;
      }
      .tool-card-content {
        text-align: center;
        align-items: center;
      }