:root {
       --primary: #1a3c34;
       --primary-dark: #132a24;
       --secondary: #ffd700;
       --secondary-dark: #e6c200;
       --accent: #ff6b6b;
       --dark: #212529;
       --light: #f8fafc;
       --gray: #64748b;
       --light-gray: #e2e8f0;
       --silver: #c0c0c0;
       --diamond: #b9f2ff;
       --gold: #ffd700;
       --transition: all 0.3s ease;
   }

   * {
       margin: 0;
       padding: 0;
       box-sizing: border-box;
   }

   html {
       scroll-behavior: smooth;
   }

   body {
       font-family: 'Poppins', sans-serif;
       line-height: 1.7;
       color: var(--dark);
       background-color: #fff;
       overflow-x: hidden;
   }

   .container {
       max-width: 1400px;
       margin: 0 auto;
       padding: 0 2rem;
   }

   /* Header & Navigation */
   header {
       background: white;
       box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
       position: fixed;
       width: 100%;
       top: 0;
       z-index: 1000;
       transition: var(--transition);
       background-color: var(--primary-dark);
   }

   header.scrolled {
       padding: 0;
       box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
   }

   nav {
       max-width: 1300px;
       margin: 0 auto;
       padding: 1.1rem 2rem;
       display: flex;
       justify-content: space-between;
       align-items: center;
       flex-wrap: wrap;
   }

   /* Logo */
   .logo {
       font-size: 1.8rem;
       font-weight: 700;
       color: var(--primary);
       text-decoration: none;
       display: flex;
       flex-direction: column;
       line-height: 1;
       flex-shrink: 0;
   }

   .logo-main {
       font-size: 1.8rem;
       font-weight: 700;
       color: var(--secondary-dark);
       letter-spacing: 0.5px;
   }

   .logo-sub {
       font-size: 0.9rem;
       font-weight: 400;
       color: var(--light);
       margin-top: 2px;
       letter-spacing: 1px;
   }

   /* Desktop Nav Links */
   .nav-links {
       display: flex;
       gap: 0rem;
       list-style: none;
       align-items: center;
       flex-wrap: wrap;
       margin-bottom: 0;
   }

   .nav-links>li {
       position: relative;
   }

   .nav-links a {
       text-decoration: none;
       color: var(--light-gray);
       font-weight: 500;
       transition: var(--transition);
       position: relative;
       padding: 0.5rem 0;
       white-space: nowrap;
       display: block;
       font-size: 0.95rem;
   }

   .nav-links>li>a {
       padding: 0rem 1rem;
   }

   .nav-links a:hover {
       color: var(--secondary);
   }

   .nav-links>li>a::after {
       content: '';
       position: absolute;
       width: 0;
       height: 2px;
       background: var(--light-gray);
       bottom: 0;
       left: 50%;
       transform: translateX(-50%);
       transition: width 0.3s ease;
   }

   .nav-links>li>a:hover::after {
       width: calc(100% - 2rem);
   }

   /* Dropdown - Desktop */
   .dropdown {
       position: absolute;
       top: 100%;
       left: 0;
       background: white;
       min-width: 220px;
       box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
       border-radius: 12px;
       opacity: 0;
       visibility: hidden;
       transform: translateY(10px);
       transition: var(--transition);
       padding: 0.8rem 0rem;
       z-index: 999;
   }

   .nav-links>li:hover .dropdown {
       opacity: 1;
       visibility: visible;
       transform: translateY(0);
   }

   .dropdown a {
       padding: 0.1rem 1.5rem;
       font-size: 0.95rem;
       color: var(--dark);
   }

   .dropdown a:hover {
       background: var(--light-gray);
       color: var(--primary);
       padding-left: 2rem;
   }

   /* Dropdown arrow */
   .has-dropdown>a::after {
       content: '\f078';
       font-family: 'Font Awesome 6 Free';
       font-weight: 900;
       font-size: 0.7rem;
       margin-left: 0.5rem;
       transition: transform 0.3s ease;
   }

   .nav-links>li:hover>.has-dropdown>a::after {
       transform: rotate(180deg);
   }

   /* Mobile Dropdown Toggle */
   .mobile-dropdown-toggle {
       display: none;
       position: absolute;
       right: 15px;
       top: 50%;
       transform: translateY(-50%);
       font-size: 1.2rem;
       color: var(--gray);
       cursor: pointer;
   }

   /* Buttons */
   .nav-buttons {
       display: flex;
       gap: 1rem;
       align-items: center;
       flex-shrink: 0;
   }

   .btn {
       padding: 0.5rem 1.5rem;
       border: none;
       border-radius: 50px;
       font-weight: 600;
       cursor: pointer;
       transition: var(--transition);
       text-decoration: none;
       display: inline-block;
       text-align: center;
       white-space: nowrap;
       min-height: 44px;
       display: flex;
       align-items: center;
       justify-content: center;
       touch-action: manipulation;
   }

   .btn-primary {
       background: var(--primary);
       color: white;
       border: 2px solid var(--primary);
   }

   .btn-primary:hover {
       background: var(--primary-dark);
       transform: translateY(-3px);
       box-shadow: 0 10px 25px rgba(26, 60, 52, 0.3);
   }

   .btn-outline {
       background: transparent;
       border: 2px solid var(--secondary);
       color: var(--secondary);
   }

   .btn-outline:hover {
       background: var(--secondary);
       color: #000;
       transform: translateY(-3px);
       box-shadow: 0 10px 25px rgba(255, 215, 0, 0.3);
   }

   /* Mobile Menu Button - HIDDEN on desktop, VISIBLE only < 850px */
   .mobile-menu-btn {
       display: none;
       background: transparent;
       border: none;
       font-size: 1.8rem;
       color: var(--light);
       cursor: pointer;
       z-index: 1001;
       min-height: 44px;
       width: 44px;
       align-items: center;
       justify-content: center;
       padding: 0;
   }

   .mobile-nav-buttons {
       display: none;
       flex-direction: column;
       gap: 1rem;
       width: 100%;
       max-width: 300px;
       margin: 2rem auto 0;
       padding: 0 1.5rem;
   }

   /* RESPONSIVE: Below 850px */
   @media (max-width: 850px) {
       nav {
           padding: 1rem 1.5rem;
       }

       /* SHOW hamburger menu icon */
       .mobile-menu-btn {
           display: flex !important;
       }

       .nav-links {
           position: fixed;
           top: 0;
           left: -100%;
           width: 100%;
           height: 100vh;
           background: white;
           flex-direction: column;
           align-items: flex-start;
           justify-content: flex-start;
           padding-top: 100px;
           transition: left 0.4s ease;
           z-index: 999;
           gap: 0;
           overflow-y: auto;
           color: var(--dark);
           background-color: var(--primary);
       }

       .nav-links.active {
           left: 0;
       }

       .nav-links>li {
           width: 100%;
           border-bottom: 1px solid var(--light-gray);
       }

       .nav-links>li>a {
           padding: 1rem 1.5rem;
           display: flex;
           justify-content: space-between;
           align-items: center;
           width: 100%;
       }

       .mobile-dropdown-toggle {
           display: flex;
       }

       .dropdown {
           position: static;
           opacity: 1;
           visibility: visible;
           transform: none;
           box-shadow: none;
           background: rgba(248, 249, 250, 0.8);
           padding: 0;
           max-height: 0;
           overflow: hidden;
           transition: max-height 0.4s ease, padding 0.4s ease;
           border-radius: 0;
       }

       .dropdown.open {
           max-height: 600px;
           padding: 0.5rem 0;
       }

       .dropdown a {
           padding: 0.8rem 3rem;
           font-size: 1rem;
       }

       .has-dropdown>a::after {
           display: none;
       }

       .nav-buttons {
           display: none;
       }

       .mobile-nav-buttons {
           display: flex;
       }

       .logo-main {
           font-size: 1.5rem;
       }

       .logo-sub {
           font-size: 0.8rem;
       }
   }

   @media (max-width: 576px) {
       nav {
           padding: 0.8rem 1rem;
       }

       .logo-main {
           font-size: 1.4rem;
       }

       .logo-sub {
           font-size: 0.75rem;
       }

       .mobile-menu-btn {
           font-size: 1.5rem;
           width: 40px;
           height: 40px;
       }

       .nav-links>li>a {
           padding: 0.9rem 1.2rem;
           font-size: 0.95rem;
       }

       .dropdown a {
           padding-left: 2.5rem;
           font-size: 0.9rem;
       }

       .btn {
           padding: 0.6rem 1.2rem;
           min-height: 40px;
           font-size: 0.9rem;
       }

       .mobile-nav-buttons {
           padding: 0 1.2rem;
       }
   }

   /* Hero Section */
   .hero-section {
       background: linear-gradient(135deg, var(--primary-dark), var(--primary));
       color: white;
       padding: 2rem 1rem 1rem;
       text-align: center;
       margin-top: 80px;
   }

   .hero-title {
       font-family: 'Playfair Display', serif;
       font-size: 2rem;
       margin-bottom: 0.5rem;
       color: var(--secondary);
   }

   .hero-description {
       font-size: 0.9rem;
       max-width: 800px;
       margin: 0 auto 2rem;
       color: rgba(255, 255, 255, 0.9);
   }

   /* Page Content */
   .page-content {
       padding: 4rem 1rem;
       background: #f8fafc;
   }

   /* Filter Section */
   .filter-section {
       background: white;
       padding: 2rem;
       border-radius: 16px;
       box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
   }

   .filter-title {
       font-family: 'Playfair Display', serif;
       font-size: 1.5rem;
       color: var(--primary);
       margin-bottom: 1.5rem;
       text-align: center;
   }

   .filter-categories {
       display: flex;
       flex-wrap: wrap;
       gap: 1rem;
       justify-content: center;
   }

   .filter-btn {
       padding: 0.5rem 1.8rem;
       border: 2px solid var(--light-gray);
       background: white;
       color: var(--dark);
       border-radius: 50px;
       font-weight: 600;
       cursor: pointer;
       transition: var(--transition);
   }

   .filter-btn:hover,
   .filter-btn.active {
       background: var(--primary);
       color: white;
       border-color: var(--primary);
   }

   /* Software Grid */
   .software-grid {
       display: grid;
       grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
       gap: 1rem;
       max-width: 1400px;
       margin: 0 auto;
   }

   .software-card {
       background: white;
       border-radius: 16px;
       overflow: hidden;
       box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
       transition: var(--transition);
       height: 100%;
       display: flex;
       flex-direction: column;
   }

   .software-card:hover {
       transform: translateY(-10px);
       box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
   }

   .software-image {
       height: 200px;
       width: 100%;
       object-fit: cover;
   }

   .software-content {
       padding: 1.5rem;
       flex-grow: 1;
       display: flex;
       flex-direction: column;
   }

   .software-category {
       display: inline-block;
       background: var(--light-gray);
       color: var(--primary);
       padding: 0.3rem 1rem;
       border-radius: 50px;
       font-size: 0.8rem;
       font-weight: 600;
       margin-bottom: 1rem;
       align-self: flex-start;
   }

   .free-badge {
       background: #28a745;
       color: white;
   }

   .software-title {
       font-size: 1.5rem;
       font-weight: 700;
       color: var(--primary);
       margin-bottom: 0.8rem;
       font-family: 'Playfair Display', serif;
   }

   .software-description {
       color: var(--gray);
       line-height: 1.6;
       flex-grow: 1;
   }

   .software-features {
       list-style: none;
       margin-bottom: 1.5rem;
   }

   .software-features li {
       padding: 0.3rem 0;
       color: var(--dark);
       display: flex;
       align-items: center;
       font-size: 0.9rem;
   }

   .software-features li i {
       color: var(--secondary);
       margin-right: 10px;
       font-size: 0.9rem;
   }

   /* Package Toggle */
   .package-toggle {
       display: flex;
       background: #f1f5f9;
       border-radius: 50px;
       padding: 4px;
       margin-bottom: 0.5rem;
   }

   .package-option {
       flex: 1;
       text-align: center;
       padding: 0.6rem;
       cursor: pointer;
       border-radius: 50px;
       font-weight: 600;
       font-size: 0.9rem;
       transition: var(--transition);
   }

   .package-option.active {
       background: white;
       box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
   }

   .package-option.basic.active {
       color: #666;
   }

   .package-option.standard.active {
       color: #006994;
   }

   .package-option.premium.active {
       color: #8b6508;
   }

   /* Package Price Display */
   .package-price-display {
       text-align: center;
       margin-bottom: 0.5rem;
       padding: 1rem;
       background: linear-gradient(135deg, #f8fafc, #e2e8f0);
       border-radius: 12px;
   }

   .package-price {
       font-size: 2rem;
       font-weight: 800;
       color: var(--primary);
       margin-bottom: 0.5rem;
   }

   .free-price {
       color: #28a745;
   }

   .package-type {
       font-size: 0.8rem;
       color: var(--gray);
       text-transform: uppercase;
       letter-spacing: 1px;
   }

   /* Order Button */
   .order-btn-container {
       margin-top: auto;
   }

   .btn-order {
       width: 100%;
       background: var(--secondary);
       color: var(--dark);
       border: none;
       padding: 1rem;
       border-radius: 50px;
       font-weight: 600;
       cursor: pointer;
       transition: var(--transition);
       text-decoration: none;
       text-align: center;
       display: block;
       font-size: 1rem;
   }

   .btn-order:hover {
       background: var(--secondary-dark);
       transform: translateY(-3px);
       box-shadow: 0 10px 25px rgba(255, 215, 0, 0.3);
   }

   .btn-free {
       background: #28a745;
       color: white;
   }

   .btn-free:hover {
       background: #218838;
       transform: translateY(-3px);
       box-shadow: 0 10px 25px rgba(40, 167, 69, 0.3);
   }

   /* Modal Styles */
   .modal-overlay {
       position: fixed;
       top: 0;
       left: 0;
       width: 100%;
       height: 100%;
       background: rgba(0, 0, 0, 0.7);
       display: flex;
       align-items: center;
       justify-content: center;
       z-index: 2000;
       opacity: 0;
       visibility: hidden;
       transition: var(--transition);
   }

   .modal-overlay.active {
       opacity: 1;
       visibility: visible;
   }

   .modal-content {
       background: white;
       border-radius: 16px;
       width: 90%;
       max-width: 500px;
       max-height: 90vh;
       overflow-y: auto;
       transform: translateY(20px);
       transition: transform 0.3s ease;
       box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
   }

   .modal-overlay.active .modal-content {
       transform: translateY(0);
   }

   .modal-header {
       padding: 1.5rem 1.5rem 1rem;
       border-bottom: 1px solid var(--light-gray);
   }

   .modal-title {
       font-size: 1.5rem;
       color: var(--primary);
       margin-bottom: 0.5rem;
       font-family: 'Playfair Display', serif;
   }

   .modal-body {
       padding: 1.5rem;
   }

   .instructions-list {
       list-style: none;
       margin-bottom: 1.5rem;
   }

   .instructions-list li {
       padding: 0.5rem 0;
       display: flex;
       align-items: flex-start;
   }

   .instructions-list li i {
       color: #28a745;
       margin-right: 10px;
       margin-top: 3px;
       flex-shrink: 0;
   }

   .modal-footer {
       padding: 1rem 1.5rem 1.5rem;
       display: flex;
       gap: 1rem;
       justify-content: flex-end;
       border-top: 1px solid var(--light-gray);
   }

   .btn-modal {
       padding: 0.6rem 1.5rem;
       border: none;
       border-radius: 50px;
       font-weight: 600;
       cursor: pointer;
       transition: var(--transition);
       min-width: 120px;
   }

   .btn-modal-cancel {
       background: #f8f9fa;
       color: var(--dark);
       border: 2px solid #dee2e6;
   }

   .btn-modal-cancel:hover {
       background: #e9ecef;
   }

   .btn-modal-confirm {
       background: var(--primary);
       color: white;
       border: 2px solid var(--primary);
   }

   .btn-modal-confirm:hover {
       background: var(--primary-dark);
   }

   /* CTA Section */
   .cta-section {
       background: linear-gradient(135deg, var(--primary), var(--primary-dark));
       color: white;
       padding: 2rem 1rem;
       text-align: center;
   }

   .cta-title {
       font-family: 'Playfair Display', serif;
       font-size: 2rem;
       margin-bottom: 1rem;
       color: var(--secondary);
   }

   .cta-description {
       font-size: 1rem;
       max-width: 700px;
       margin: 0 auto 2.5rem;
       color: rgba(255, 255, 255, 0.9);
   }

   /* Footer */
   footer {
       background: var(--primary-dark);
       color: #ccc;
       padding: 1rem 2rem 1rem;
       text-align: center;
   }

   .footer-container {
       max-width: 1200px;
       margin: 0 auto;
       display: flex;
       flex-direction: column;
       align-items: center;
   }

   .footer-share {
       display: flex;
       flex-direction: column;
       align-items: center;
   }

   .footer-share span {
       font-size: 0.8rem;
       font-weight: 600;
       color: #fff;
       letter-spacing: 2px;
       margin-bottom: 0.5rem;
   }

   .social-icons {
       display: flex;
       gap: 0.5rem;
       align-items: center;
   }

   .social-icons a {
       color: var(--secondary);
       font-size: 0.8rem;
       transition: var(--transition);
       display: flex;
       align-items: center;
       justify-content: center;
       width: 30px;
       height: 30px;
       border-radius: 50%;
       background: rgba(255, 255, 255, 0.05);
   }

   .social-icons a:hover {
       color: #fff;
       background: rgba(255, 215, 0, 0.2);
       transform: translateY(-3px);
   }

   .footer-copyright {
       display: flex;
       flex-direction: column;
       align-items: center;
       gap: 0.5rem;
       width: 100%;
   }

   .copyright-text {
       font-size: 0.8rem;
       color: #aaa;
   }

   .copyright-text strong {
       color: var(--secondary);
       font-weight: 600;
   }

   .footer-links {
       display: flex;
       flex-wrap: wrap;
       justify-content: center;
   }

   .footer-links a {
       color: #ccc;
       text-decoration: none;
       font-size: 0.8rem;
       transition: var(--transition);
   }

   .footer-links a:hover {
       color: var(--secondary);
   }

   .footer-links span {
       color: rgba(255, 255, 255, 0.3);
   }

   /* Scroll to Top */
   #scrollToTop {
       position: fixed;
       bottom: 20px;
       right: 20px;
       width: 40px;
       height: 40px;
       background: var(--secondary);
       color: #000;
       border-radius: 50%;
       display: flex;
       align-items: center;
       justify-content: center;
       font-size: 1rem;
       cursor: pointer;
       box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
       z-index: 1000;
       opacity: 0;
       transition: var(--transition);
       border: none;
   }

   #scrollToTop.show {
       opacity: 1;
   }

   #scrollToTop:hover {
       background: var(--secondary-dark);
       transform: translateY(-5px);
   }

   /* Responsive Styles */
   @media (max-width: 1200px) {
       .software-grid {
           grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
       }
   }

   @media (max-width: 992px) {
       .hero-title {
           font-size: 2.8rem;
       }

       .cta-title {
           font-size: 2.3rem;
       }
   }

   @media (max-width: 768px) {
       .hero-section {
           padding: 7rem 1rem 3rem;
           margin-top: 70px;
       }

       .hero-title {
           font-size: 2.3rem;
       }

       .hero-description {
           font-size: 1.1rem;
       }

       .filter-categories {
           gap: 0.8rem;
       }

       .filter-btn {
           padding: 0.6rem 1.5rem;
           font-size: 0.9rem;
       }

       .software-grid {
           grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
           gap: 1.5rem;
       }

       .cta-section {
           padding: 4rem 1rem;
       }

       .cta-title {
           font-size: 2rem;
       }

       .cta-description {
           font-size: 1.1rem;
       }
   }

   @media (max-width: 576px) {
       .hero-title {
           font-size: 2rem;
       }

       .filter-title {
           font-size: 1.6rem;
       }

       .filter-categories {
           gap: 0.5rem;
       }

       .filter-btn {
           padding: 0.5rem 1.2rem;
           font-size: 0.85rem;
       }

       .software-grid {
           grid-template-columns: 1fr;
           gap: 1.5rem;
       }

       .software-card {
           max-width: 400px;
           margin: 0 auto;
       }

       .package-price {
           font-size: 2rem;
       }

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

       .cta-description {
           font-size: 1rem;
       }

       .modal-content {
           width: 95%;
           margin: 1rem;
       }

       .modal-footer {
           flex-direction: column;
       }

       .btn-modal {
           width: 100%;
           min-width: auto;
       }
   }

   @media (max-width: 480px) {
       .container {
           padding: 0 1rem;
       }

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

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

       .filter-section {
           padding: 1.5rem;
       }
   }

   .package-features {
       display: none;
   }

   .package-features.active {
       display: block;
   }