/* Reset & Base Styles */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: #333;
      background-color: #f8f9fa;
    }

    a {
      text-decoration: none;
      color: #007BFF;
    }

    a:hover {
      text-decoration: underline;
    }

    img {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
    }

    /* Accessibility: Focus States */
    a:focus, button:focus {
      outline: 3px solid #0056b3;
      outline-offset: 2px;
    }

    /* Layout */
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* Header & Nav */
    header {
      background-color: #fff;
      box-shadow: 0 2px 10px rgba(0,0,0,0.1);
      position: sticky;
      top: 0;
      z-index: 1000;
    }

    nav {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 1rem 0;
    }

    .logo {
      font-size: 1.8rem;
      font-weight: 700;
      color: #0056b3;
    }

    .nav-links {
      display: flex;
      list-style: none;
      gap: 1.5rem;
    }

    .nav-links a {
      color: #333;
      font-weight: 500;
      transition: color 0.3s ease;
    }

    .nav-links a:hover {
      color: #007BFF;
      text-decoration: none;
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: #333;
    }

    /* Breadcrumb */
    .breadcrumb {
      padding: 1rem 0;
      font-size: 0.9rem;
      color: #6c757d;
      text-align: center;
    }

    .breadcrumb a {
      color: #007BFF;
    }

    .breadcrumb span {
      margin: 0 0.5rem;
    }

    /* Hero Section */
    .hero {
      text-align: center;
      padding: 4rem 0;
      background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
      color: white;
      border-radius: 0 0 20px 20px;
      margin-bottom: 3rem;
    }

    .hero h1 {
      font-size: 2.8rem;
      margin-bottom: 1rem;
      font-weight: 700;
    }

    .hero p {
      font-size: 1.2rem;
      max-width: 800px;
      margin: 0 auto 2rem;
      opacity: 0.9;
    }

    .cta-button {
      display: inline-block;
      padding: 12px 30px;
      background-color: #fff;
      color: #2575fc;
      font-weight: 600;
      border-radius: 50px;
      font-size: 1.1rem;
      box-shadow: 0 4px 15px rgba(0,0,0,0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .cta-button:hover {
      transform: translateY(-3px);
      box-shadow: 0 6px 20px rgba(0,0,0,0.25);
    }

    /* Features */
    .features {
      padding: 4rem 0;
      background-color: #fff;
    }

    .section-title {
      text-align: center;
      font-size: 2.2rem;
      margin-bottom: 3rem;
      color: #1a1a1a;
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 2rem;
    }

    .feature-card {
      background: #f8f9fa;
      padding: 1.8rem;
      border-radius: 12px;
      box-shadow: 0 5px 15px rgba(0,0,0,0.05);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
    }

    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    }

    .feature-icon {
      font-size: 2.5rem;
      margin-bottom: 1rem;
      color: #007BFF;
    }

    .feature-card h3 {
      margin-bottom: 1rem;
      color: #1a1a1a;
    }

    /* How It Works */
    .how-it-works {
      padding: 4rem 0;
      background-color: #f1f5f9;
    }

    .steps {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 2rem;
      max-width: 1000px;
      margin: 0 auto;
    }

    .step {
      flex: 1;
      min-width: 250px;
      text-align: center;
      padding: 1.5rem;
      background: white;
      border-radius: 12px;
      box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    }

    .step-number {
      display: inline-block;
      width: 40px;
      height: 40px;
      background-color: #007BFF;
      color: white;
      border-radius: 50%;
      line-height: 40px;
      font-weight: bold;
      margin-bottom: 1rem;
    }

    /* PDF Tools Grid */
    .tools-section {
      padding: 4rem 0;
      background-color: #fff;
    }

    .tools-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 2rem;
    }

    .tool-card {
      border: 1px solid #e0e0e0;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0,0,0,0.05);
      transition: all 0.3s ease;
    }

    .tool-card:hover {
      box-shadow: 0 10px 25px rgba(0,0,0,0.1);
      transform: translateY(-5px);
    }

    .tool-icon {
      height: 80px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: #f8f9fa;
      font-size: 2.5rem;
      color: #007BFF;
    }

    .tool-content {
      padding: 1.5rem;
    }

    .tool-content h3 {
      margin-bottom: 0.8rem;
      color: #1a1a1a;
    }

    .tool-content p {
      color: #555;
      font-size: 0.95rem;
      margin-bottom: 1rem;
    }

    .tool-link {
      display: inline-block;
      padding: 8px 16px;
      background-color: #007BFF;
      color: white;
      border-radius: 6px;
      font-weight: 500;
      transition: background 0.3s ease;
    }

    .tool-link:hover {
      background-color: #0056b3;
      text-decoration: none;
    }

    /* FAQ */
    .faq {
      padding: 4rem 0;
      background-color: #f1f5f9;
    }

    .faq-list {
      max-width: 800px;
      margin: 0 auto;
    }

    .faq-item {
      margin-bottom: 1.5rem;
      border: 1px solid #ddd;
      border-radius: 8px;
      overflow: hidden;
    }

    .faq-question {
      padding: 1rem 1.5rem;
      background-color: #fff;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .faq-answer {
      padding: 0 1.5rem;
      background-color: #f8f9fa;
      display: none;
    }

    .faq-answer p {
      padding: 1rem 0;
    }

    .faq-question::after {
      content: "+";
      font-size: 1.5rem;
      color: #007BFF;
    }

    .faq-question.active::after {
      content: "−";
    }

    /* Article Section */
    .article-section {
      padding: 4rem 0;
      background-color: #fff;
    }

    .article-content {
      max-width: 900px;
      margin: 0 auto;
      line-height: 1.8;
      color: #333;
    }

    .article-content h2 {
      font-size: 2rem;
      margin: 2rem 0 1rem;
      color: #1a1a1a;
    }

    .article-content h3 {
      font-size: 1.5rem;
      margin: 1.8rem 0 1rem;
      color: #2c3e50;
    }

    .article-content p {
      margin-bottom: 1.2rem;
    }

    .article-content ul {
      margin-left: 1.5rem;
      margin-bottom: 1.2rem;
    }

    .article-content li {
      margin-bottom: 0.5rem;
    }

    /* CTA Section */
    .cta-section {
      padding: 4rem 0;
      background: linear-gradient(135deg, #0056b3 0%, #003366 100%);
      color: white;
      text-align: center;
    }

    .cta-section h2 {
      font-size: 2.5rem;
      margin-bottom: 1.5rem;
    }

    .cta-section p {
      max-width: 700px;
      margin: 0 auto 2rem;
      font-size: 1.1rem;
      opacity: 0.9;
    }

    .cta-button-large {
      padding: 15px 40px;
      font-size: 1.2rem;
      background-color: #fff;
      color: #0056b3;
      border-radius: 50px;
      font-weight: 600;
      box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    }

    /* Footer */
    footer {
      background-color: #1a1a1a;
      color: #ddd;
      padding: 3rem 0;
    }

    .footer-content {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 2rem;
    }

    .footer-column h3 {
      color: #fff;
      margin-bottom: 1.2rem;
      font-size: 1.2rem;
    }

    .footer-column ul {
      list-style: none;
    }

    .footer-column ul li {
      margin-bottom: 0.5rem;
    }

    .footer-column a {
      color: #bbb;
      transition: color 0.3s ease;
    }

    .footer-column a:hover {
      color: #fff;
      text-decoration: none;
    }

    .copyright {
      text-align: center;
      padding-top: 2rem;
      margin-top: 2rem;
      border-top: 1px solid #444;
      font-size: 0.9rem;
      color: #999;
    }

    /* Cookie Consent */
    .cookie-consent {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background-color: #2c3e50;
      color: white;
      padding: 1rem 2rem;
      text-align: center;
      display: flex;
      justify-content: space-between;
      align-items: center;
      z-index: 10000;
      font-size: 0.9rem;
      box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    }

    .cookie-consent button {
      background-color: #fff;
      color: #2c3e50;
      border: none;
      padding: 8px 16px;
      border-radius: 6px;
      cursor: pointer;
      font-weight: 600;
      margin-left: 1rem;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background-color: #fff;
        position: absolute;
        top: 100%;
        left: 0;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        padding: 1rem 0;
        border-radius: 0 0 10px 10px;
        z-index: 999;
      }

      .nav-links.active {
        display: flex;
      }

      .mobile-menu-btn {
        display: block;
      }

      .hero h1 {
        font-size: 2.2rem;
      }

      .hero p {
        font-size: 1rem;
      }

      .breadcrumb {
        font-size: 0.8rem;
      }

      .steps {
        flex-direction: column;
      }

      .tool-card {
        margin-bottom: 1rem;
      }

      .faq-list {
        padding: 0 20px;
      }
    }

    @media (max-width: 480px) {
      .hero h1 {
        font-size: 1.8rem;
      }

      .section-title {
        font-size: 1.8rem;
      }

      .cookie-consent {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
      }

      .cookie-consent button {
        margin-left: 0;
      }
    }