body {
      margin: 0;
      font-family: "Inter", Arial, sans-serif;
      background: #f5f8ff;
      color: #1d2b53;
    }

    /* Header */
    header {
      background: #ffffff;
      padding: 18px 30px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid #e5eaff;
      position: sticky;
      top: 0;
      z-index: 10;
    }

    .logo {
      font-size: 22px;
      font-weight: 700;
      color: #1d2b53;
    }

    /* Hero Section */
    .hero {
      text-align: center;
      padding: 70px 20px 50px;
      background: linear-gradient(135deg, #e3eeff, #f6faff);
    }

    .hero h1 {
      font-size: 34px;
      margin: 0;
      font-weight: 800;
      color: #162447;
    }

    .hero p {
      font-size: 18px;
      color: #3c4a6c;
      margin-top: 12px;
    }

    /* Tools Section */
    .tools-container {
      max-width: 1100px;
      margin: 40px auto;
      padding: 0 20px;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 22px;
    }

    .tool-card {
      background: #ffffff;
      padding: 22px;
      border-radius: 14px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.06);
      border: 1px solid #e6eaff;
      text-align: center;
      transition: 0.25s ease;
    }

    .tool-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 20px rgba(0,0,0,0.08);
    }

    .tool-icon {
      font-size: 38px;
      margin-bottom: 10px;
      color: #2e6bff;
    }

    .tool-card h3 {
      margin: 8px 0;
      font-size: 20px;
      color: #162447;
    }

    .tool-card p {
      font-size: 14px;
      color: #465375;
      line-height: 1.5;
    }

    .tool-btn {
      display: inline-block;
      margin-top: 14px;
      background: #2e6bff;
      color: #fff;
      padding: 10px 16px;
      width: 110px;
      border-radius: 8px;
      text-decoration: none;
      font-size: 14px;
      font-weight: 600;
      transition: background 0.25s ease;
    }

    .tool-btn:hover {
      background: #1d54d4;
    }

    .coming-btn {
      background: #98a8c7;
      cursor: not-allowed;
    }

    /* SEO Block */
    .seo-block {
      max-width: 900px;
      margin: 50px auto;
      padding: 0 20px;
      font-size: 15px;
      line-height: 1.8;
      color: #4b5675;
      text-align: center;
    }

    /* Footer */
    footer {
      text-align: center;
      padding: 25px;
      background: #ffffff;
      border-top: 1px solid #e5eaff;
      font-size: 14px;
      color: #6b7a99;
      margin-top: 50px;
    }