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

 :root {
     --primary-color: rgb(0, 153, 51);
     --primary-dark: rgb(0, 102, 34);
     --primary-light: rgb(51, 173, 102);
     --text-dark: #333;
     --text-light: #777;
     --background-light: #f9f9f9;
     --white: #ffffff;
     --gray-light: #f5f5f5;
     --gray-medium: #e0e0e0;
     --gray-dark: #666;
     --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
     --transition: all 0.3s ease;
 }

 body {
     font-family: 'Poppins', sans-serif;
     background: var(--white);
     color: var(--text-dark);
     padding-bottom: 60px;
     line-height: 1.6;
 }

 html[dir="rtl"] body {
     font-family: 'Tahoma', sans-serif;
 }

 /* ============================
       HERO SECTION
       ============================ */
 .hero {
     min-height: 100vh;
     display: flex;
     flex-direction: column;
     align-items: center;
     text-align: center;
     position: relative;
     overflow: hidden;
 }

 .hero::before {
     content: "";
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     height: 65%;
     background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
     z-index: -2;
 }

 .hero::after {
     content: "";
     position: absolute;
     bottom: 0;
     left: 0;
     width: 100%;
     height: 40vh;
     background: var(--white);
     z-index: -2;
 }

 .logo {
     grid-row: 1 / 2;
     grid-column: 1 / 2;
     align-self: end;
     /* Align to the bottom of its grid area */
     width: 50vw;
     /* Using viewport width (vw) makes the image fluid */
     max-width: 450px;
     /* Set a max size for very large screens */
     height: auto;
     /* A negative margin pulls it down to create a nice overlap effect */
     margin-bottom: -5vh;
     z-index: 1;
     /* Ensure it sits above the background */
     transition: var(--transition);
 }


 .device-img {
     max-width: 85%;
     width: auto;
     height: 100%;
     position: relative;
     z-index: 2;
     transition: var(--transition);
     filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.2));
 }

 .device-img:hover {
     transform: scale(1.05);
     filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.2));
 }

 .device-container {
     position: absolute;
     top: 65%;
     /* Adjusted to better center the device */
     left: 50%;
     transform: translateX(-50%) translateY(-50%);
     width: 100%;
     display: flex;
     justify-content: center;
 }

 .scroll-indicator {
     position: absolute;
     bottom: 40px;
     left: 50%;
     transform: translateX(-50%);
     color: var(--white);
     font-size: 1.5rem;
     animation: bounce 2s infinite;
     cursor: pointer;
 }

 @keyframes bounce {

     0%,
     20%,
     50%,
     80%,
     100% {
         transform: translateX(-50%) translateY(0);
     }

     40% {
         transform: translateX(-50%) translateY(-15px);
     }

     60% {
         transform: translateX(-50%) translateY(-7px);
     }
 }

 @media (max-width: 768px) {
     .device-container {
         top: 65%;
     }

     .logo {
         padding-top: 180px;
     }

     .device-img {
         max-width: 100%;
         width: auto;
     }
 }


 /* === Media Queries for Fine-Tuning === */

 /* For tablets and smaller laptops */
 @media (max-width: 768px) {
     .hero::before {
         height: 55vh;
     }

     .hero::after {
         height: 45vh;
     }

     .logo {
         width: 65vw;
         max-width: 350px;
         margin-bottom: -2vh;
     }

     .device-img {
         width: 90vw;
         max-width: 500px;
     }
 }

 /* For mobile phones */
 @media (max-width: 480px) {
     .logo {
         width: 75vw;
         margin-bottom: 0;
         /* Reduce overlap on very small screens */
     }

     .device-img {
         width: 95vw;
     }

     .scroll-indicator {
         /* Move indicator up to avoid the sticky bottom navigation bar */
         bottom: 80px;
     }
 }

 /* ============================
       NAVIGATION 
       ============================ */
 nav {
     width: 100%;
     position: fixed;
     bottom: 0;
     left: 0;
     background: rgba(254, 254, 254, 0.95);
     box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.15);
     z-index: 1000;
     backdrop-filter: blur(6px);
     padding: 5px 0;
 }

 nav ul {
     display: flex;
     justify-content: center;
     align-items: center;
     list-style: none;
     padding: 0 10px;
     flex-wrap: wrap;
 }

 nav ul li {
     margin: 0 15px;
 }

 nav ul li a {
     text-decoration: none;
     color: var(--primary-dark);
     font-size: 0.9rem;
     font-weight: 600;
     transition: var(--transition);
     padding: 10px 8px;
     position: relative;
     display: inline-block;
     white-space: nowrap;
 }

 nav ul li a:after {
     content: '';
     position: absolute;
     width: 0;
     height: 2px;
     bottom: 0;
     left: 0;
     background-color: var(--primary-color);
     transition: var(--transition);
 }

 nav ul li a:hover {
     color: var(--primary-color);
 }

 nav ul li a:hover:after {
     width: 100%;
 }

 /* Active nav item */
 nav ul li a.active {
     color: var(--primary-color);
 }

 nav ul li a.active:after {
     width: 100%;
 }

 /* Language Selector Styles */
 .language-selector {
     position: relative;
 }

 .language-selector a .fa-chevron-up {
     display: none;
 }

 .language-selector:hover .language-dropdown {
     display: block;
 }

 .language-selector:hover a .fa-chevron-down {
     display: none;
 }

 .language-selector:hover a .fa-chevron-up {
     display: inline-block;
 }

 .language-dropdown {
     display: none;
     position: absolute;
     bottom: 100%;
     left: 50%;
     transform: translateX(-50%);
     background-color: var(--white);
     box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
     border-radius: 8px;
     padding: 8px 0;
     list-style: none;
     z-index: 1001;
     min-width: 150px;
 }

 .language-dropdown li a {
     padding: 8px 20px;
     color: var(--text-dark);
     font-size: 0.9rem;
     display: block;
     width: 100%;
     text-align: left;
 }

 html[dir="rtl"] .language-dropdown li a {
     text-align: right;
 }

 .language-dropdown li a:hover {
     background-color: var(--gray-light);
     color: var(--primary-color);
 }

 .language-dropdown li a:after {
     display: none;
 }


 /* ============================
       SECTIONS COMMON STYLES
       ============================ */
 section {
     padding: 80px 20px;
     opacity: 0;
     transform: translateY(20px);
     transition: opacity 0.8s ease, transform 0.8s ease;
 }

 section.visible {
     opacity: 1;
     transform: translateY(0);
 }

 .section-title {
     text-align: center;
     margin-bottom: 50px;
     color: var(--primary-color);
     position: relative;
     padding-bottom: 15px;
 }

 .section-title:after {
     content: '';
     position: absolute;
     bottom: 0;
     left: 50%;
     transform: translateX(-50%);
     width: 80px;
     height: 3px;
     background-color: var(--primary-color);
 }

 /* ============================
       PRODUCT SECTION
       ============================ */
 .product {
     background: var(--gray-light);
 }

 .product-content {
     display: flex;
     align-items: flex-start;
     justify-content: center;
     flex-wrap: wrap;
     gap: 40px;
     max-width: 1200px;
     margin: 0 auto;
 }

 .product-text {
     flex: 1 1 400px;
     font-size: 1.1rem;
     line-height: 1.8;
     text-align: left;
 }

 html[dir="rtl"] .product-text {
     text-align: right;
 }

 .product-text p {
     margin-bottom: 20px;
 }

 /* ==================================
       FEATURES SECTION 
       ================================== */
 .new-features {
     width: 100%;
     margin-top: 80px;
 }

 .features-grid-4col {
     display: grid;
     grid-template-columns: repeat(4, 1fr);
     gap: 25px;
     max-width: 1200px;
     margin: auto;
 }

 .feature-item {
     background: var(--white);
     padding: 25px;
     border-radius: 10px;
     box-shadow: var(--shadow);
     text-align: center;
     transition: var(--transition);
     border: 1px solid var(--gray-medium);
     margin-top: 50px;
     margin-bottom: 50px;
 }

 @media (max-width: 768px) {
     .feature-item {
         margin-top: 5px;
         margin-bottom: 5px;
     }
 }

 .feature-item:hover {
     transform: translateY(-10px);
     box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
 }

 .feature-icon {
     font-size: 2.5rem;
     color: var(--primary-color);
     margin-bottom: 15px;
 }

 .feature-item h3 {
     margin-bottom: 10px;
     color: var(--primary-dark);
 }

 .feature-item p {
     color: var(--text-light);
 }

 /* ============================ 
        PRODUCT GALLERY 
       ============================ */
 .product-gallery {
     width: 100%;
     margin-top: 60px;
     padding: 0;
     position: relative;
 }

 .carousel-container {
     position: relative;
     width: 100%;
     margin: 0;
     overflow: hidden;
 }

 .carousel-track {
     display: flex;
     transition: transform 0.5s ease;
 }

 .carousel-slide {
     flex: 0 0 50%;
     padding: 0px;
     transition: var(--transition);
 }

 .carousel-slide img {
     width: 100%;
     height: auto;
     border-radius: 0px;
     box-shadow: var(--shadow);
     transition: var(--transition);
 }

 .carousel-slide:hover img {
     transform: scale(1.05);
     box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
 }

 .carousel-indicators {
     display: flex;
     justify-content: center;
     margin-top: 20px;
 }

 .carousel-indicator {
     width: 12px;
     height: 12px;
     border-radius: 50%;
     background: #ccc;
     margin: 0 5px;
     margin-bottom: 10px;
     cursor: pointer;
     transition: var(--transition);
 }

 .carousel-indicator.active {
     background: var(--primary-color);
     transform: scale(1.2);
 }

 @media (max-width: 768px) {
     .carousel-slide {
         flex: 0 0 100%;
     }
 }

 .product-3d {
     flex: 1 1 400px;
     display: flex;
     flex-direction: column;
     align-items: center;
 }

 /* ============================
       PACKAGING SECTION 
       ============================ */
 .packaging {
     background: var(--white);
     padding: 80px 20px;
 }

 .packaging-grid {
     display: grid;
     grid-template-columns: repeat(2, 1fr);
     gap: 40px;
     max-width: 1200px;
     margin: 0 auto;
 }

 .packaging-item {
     text-align: center;
     padding: 30px;
     border-radius: 10px;
     background: var(--gray-light);
     transition: var(--transition);
     box-shadow: var(--shadow);
 }

 .packaging-item:hover {
     transform: translateY(-5px);
     box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
 }

 .packaging-image {
     width: 100%;
     height: 300px;
     display: flex;
     align-items: center;
     justify-content: center;
     margin-bottom: 20px;
 }

 .packaging-image img {
     max-width: 100%;
     max-height: 100%;
     object-fit: contain;
     border-radius: 8px;
 }

 .packaging-item h3 {
     font-size: 1.4rem;
     color: var(--primary-dark);
     margin-top: 15px;
 }

 .packaging-item p {
     color: var(--text-light);
     margin-top: 10px;
 }

 /* ============================
       SPECIFICATIONS SECTION
       ============================ */
 .specs {
     background: var(--white);
 }

 .specs-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
     gap: 30px;
     max-width: 1400px;
     margin: 0 auto;
 }

 .spec-card {
     background: var(--gray-light);
     padding: 25px;
     border-radius: 10px;
     box-shadow: var(--shadow);
 }

 .spec-card h3 {
     color: var(--primary-color);
     margin-bottom: 15px;
     display: flex;
     align-items: center;
 }

 .spec-card h3 i {
     margin-right: 10px;
 }

 html[dir="rtl"] .spec-card h3 i {
     margin-right: 0;
     margin-left: 10px;
 }

 .spec-list {
     list-style-type: none;
 }

 .spec-list li {
     padding: 8px 0;
     border-bottom: 1px solid var(--gray-medium);
     display: flex;
     justify-content: space-between;
 }

 .spec-list li:last-child {
     border-bottom: none;
 }

 .spec-name {
     font-weight: 600;
     color: var(--text-dark);
 }

 .spec-value {
     color: var(--primary-color);
 }

 /* ============================
       APP SECTION 
       ============================ */
 .app-section {
     background: var(--gray-light);
 }

 .app-content {
     display: flex;
     align-items: center;
     justify-content: center;
     flex-wrap: wrap;
     gap: 50px;
     max-width: 1200px;
     margin: 0 auto;
 }

 .app-image {
     flex: 1 1 400px;
     text-align: center;
     position: relative;
 }

 .app-image img {
     max-width: 100%;
 }

 .app-qr {
     display: flex;
     flex-direction: column;
     align-items: center;
     justify-content: center;
     text-align: center;
     padding: 20px;
     background: var(--white);
     border-radius: 15px;
     box-shadow: var(--shadow);
 }

 .app-qr img {
     width: 200px;
     height: 200px;
     margin-bottom: 15px;
 }

 .app-qr p {
     margin-top: 15px;
     font-weight: 600;
     color: var(--primary-dark);
 }

 .app-features {
     flex: 1 1 400px;
 }

 .app-feature {
     margin-bottom: 25px;
     display: flex;
     align-items: flex-start;
     padding: 15px;
     border-radius: 10px;
     background: var(--white);
     box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
     transition: var(--transition);
     text-align: left;
 }

 html[dir="rtl"] .app-feature {
     text-align: right;
 }

 .app-feature:hover {
     transform: translateX(5px);
     box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
 }

 html[dir="rtl"] .app-feature:hover {
     transform: translateX(-5px);
 }

 .app-feature i {
     color: var(--primary-color);
     font-size: 1.5rem;
     margin-right: 15px;
     margin-top: 5px;
     flex-shrink: 0;
 }

 html[dir="rtl"] .app-feature i {
     margin-right: 0;
     margin-left: 15px;
 }

 .app-feature div {
     flex: 1;
 }

 /* ============================
       WHAT'S IN THE BOX SECTION 
       ============================ */
 .whats-in-box {
     background: var(--white);
     padding: 80px 20px;
 }

 .box-grid {
     display: grid;
     grid-template-columns: repeat(4, 1fr);
     gap: 30px;
     max-width: 1200px;
     margin: 0 auto;
 }

 .box-item {
     text-align: center;
     padding: 20px;
     border-radius: 10px;
     background: var(--gray-light);
     transition: var(--transition);
 }

 .box-item:hover {
     background: var(--gray-medium);
     transform: translateY(-5px);
 }

 .box-image {
     width: 100%;
     height: 150px;
     display: flex;
     align-items: center;
     justify-content: center;
     margin-bottom: 15px;
 }

 .box-image img {
     max-width: 100%;
     max-height: 100%;
     object-fit: contain;
 }

 .box-item h3 {
     font-size: 1rem;
     color: var(--primary-dark);
     margin-top: 10px;
 }

 /* ============================
       CERTIFICATES SECTION 
       ============================ */
 .certificates {
     background: var(--gray-light);
     padding: 50px 20px;
 }

 .certificates-grid {
     display: flex;
     justify-content: center;
     flex-wrap: wrap;
     gap: 30px;
     max-width: 1200px;
     margin: 0 auto;
     margin-top: 100px;
     margin-bottom: 80px;
 }

 .certificate-item {
     text-align: center;
     width: 150px;
 }

 .certificate-image {
     width: 50px;
     height: 50px;
     display: flex;
     align-items: center;
     justify-content: center;
     margin: 0 auto 15px;
     border-radius: 8px;
     overflow: hidden;
     transition: var(--transition);
 }

 .certificate-image:hover {
     transform: scale(1.05);
     box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
 }

 .certificate-image img {
     width: 100%;
     height: 100%;
     object-fit: cover;
 }

 .certificate-item h3 {
     font-size: 0.6rem;
     color: var(--primary-dark);
 }

 /* ============================
       FAQ SECTION
       ============================ */
 .faq {
     background: var(--white);
     padding: 80px 20px;
 }

 .faq-container {
     max-width: 1000px;
     margin: 0 auto;
 }

 .faq-item {
     margin-bottom: 20px;
     border-radius: 8px;
     overflow: hidden;
     box-shadow: var(--shadow);
 }

 .faq-question {
     padding: 20px;
     background: var(--gray-light);
     cursor: pointer;
     display: flex;
     justify-content: space-between;
     align-items: center;
     font-weight: 600;
     transition: var(--transition);
     text-align: left;
 }

 html[dir="rtl"] .faq-question {
     text-align: right;
 }

 .faq-question:hover {
     background: var(--gray-medium);
 }

 .faq-question i {
     transition: var(--transition);
 }

 .faq-answer {
     padding: 0 20px;
     max-height: 0;
     overflow: hidden;
     transition: max-height 0.3s ease, padding 0.3s ease;
     background: var(--white);
     text-align: left;
 }

 html[dir="rtl"] .faq-answer {
     text-align: right;
 }

 .faq-item.active .faq-question {
     background: var(--primary-light);
     color: var(--white);
 }

 .faq-item.active .faq-question i {
     transform: rotate(180deg);
 }

 .faq-item.active .faq-answer {
     padding: 20px;
     max-height: 600px;
 }

 /* ============================
       FOOTER
       ============================ */
 footer {
     background: var(--primary-color);
     color: var(--white);
     padding: 30px 20px;
     display: flex;
     align-items: center;
     justify-content: center;
     flex-wrap: wrap;
     text-align: center;
     gap: 30px;
 }

 footer img {
     max-width: 150px;
     height: auto;
     border-radius: 4px;
     padding: 4px;
     margin: 0;
 }

 footer .footer-text {
     flex: 1;
     margin: 0;
     max-width: 800px;
     text-align: center;
 }

 footer .footer-text p {
     margin: 8px 0;
 }

 footer a {
     text-decoration: none;
     color: var(--white);
     font-weight: 600;
     transition: var(--transition);
 }

 footer a:hover {
     color: #ffd700;
 }

 .social-links {
     display: flex;
     justify-content: center;
     margin-top: 15px;
 }

 .social-links a {
     display: inline-flex;
     align-items: center;
     justify-content: center;
     width: 40px;
     height: 40px;
     border-radius: 50%;
     background: rgba(255, 255, 255, 0.1);
     margin: 0 8px;
     transition: var(--transition);
 }

 .social-links a:hover {
     background: rgba(255, 255, 255, 0.2);
     transform: translateY(-3px);
 }

 /* ==============================
       DISCLAIMER / POLICY SECTION
       ============================== */
 .disclaimer {
     background: var(--gray-light);
     padding: 20px 20px;
     font-size: 0.7rem;
     line-height: 1.6;
     max-height: 100%;
     overflow-y: auto;
     width: 100%;
     margin: 0;
     text-align: left;
 }

 html[dir="rtl"] .disclaimer {
     text-align: right;
 }

 .disclaimer-container {
     max-width: 800px;
     margin: 0 auto;
 }

 .disclaimer h2 {
     margin-top: 20px;
     color: var(--text-dark);
     font-size: .8rem;
 }

 .disclaimer h3 {
     margin-top: 15px;
     font-size: .8rem;
     color: var(--primary-dark);
 }

 .disclaimer ul {
     margin-left: 20px;
     margin-bottom: 15px;
 }

 html[dir="rtl"] .disclaimer ul {
     margin-left: 0;
     margin-right: 20px;
 }

 .disclaimer li {
     margin-bottom: 5px;
 }

 /* ==============================
       MODAL POPUP
       ============================== */
 .modal {
     display: none;
     position: fixed;
     z-index: 2000;
     left: 0;
     top: 0;
     width: 100%;
     height: 100%;
     background: rgba(0, 0, 0, 0.6);
     align-items: center;
     justify-content: center;
     backdrop-filter: blur(5px);
 }

 .modal-content {
     background: white;
     padding: 30px;
     border-radius: 15px;
     width: 90%;
     max-width: 450px;
     position: relative;
     box-shadow: 0 5px 25px rgba(0, 0, 0, 0.2);
 }

 .modal-content h3 {
     margin-bottom: 20px;
     color: var(--primary-color);
     text-align: center;
 }

 .modal-content input,
 .modal-content textarea {
     width: 100%;
     padding: 12px 15px;
     margin: 10px 0;
     border: 1px solid #ddd;
     border-radius: 8px;
     font-family: inherit;
     transition: var(--transition);
 }

 html[dir="rtl"] .modal-content input,
 html[dir="rtl"] .modal-content textarea {
     text-align: right;
 }


 .modal-content input:focus,
 .modal-content textarea:focus {
     outline: none;
     border-color: var(--primary-color);
     box-shadow: 0 0 0 2px rgba(0, 153, 51, 0.2);
 }

 .modal-content button {
     padding: 12px 25px;
     background: var(--primary-color);
     color: white;
     border: none;
     border-radius: 8px;
     cursor: pointer;
     font-weight: 600;
     width: 100%;
     transition: var(--transition);
     margin-top: 10px;
 }

 .modal-content button:hover {
     background: var(--primary-dark);
 }

 .close {
     position: absolute;
     top: 15px;
     right: 15px;
     font-size: 24px;
     cursor: pointer;
     color: var(--text-light);
     transition: var(--transition);
 }

 html[dir="rtl"] .close {
     right: auto;
     left: 15px;
 }

 .close:hover {
     color: var(--primary-color);
 }

 .form-group {
     margin-bottom: 15px;
 }

 .form-message {
     font-size: 0.85rem;
     margin-top: 5px;
     display: none;
 }

 .form-message.error {
     color: #e74c3c;
 }

 .form-message.success {
     color: var(--primary-color);
 }

 /* ==============================
       BACK TO TOP BUTTON
       ============================== */
 .back-to-top {
     position: fixed;
     bottom: 80px;
     right: 20px;
     width: 50px;
     height: 50px;
     background: var(--primary-color);
     color: white;
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 1.2rem;
     cursor: pointer;
     transition: var(--transition);
     opacity: 0;
     visibility: hidden;
     z-index: 999;
     box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
 }

 html[dir="rtl"] .back-to-top {
     right: auto;
     left: 20px;
 }

 .back-to-top.visible {
     opacity: 1;
     visibility: visible;
 }

 .back-to-top:hover {
     background: var(--primary-dark);
     transform: translateY(-3px);
 }

 /* ==============================
       RESPONSIVE DESIGN
       ============================== */
 @media (max-width: 1024px) {
     .features-grid-4col {
         grid-template-columns: repeat(2, 1fr);
     }

     .box-grid {
         grid-template-columns: repeat(2, 1fr);
     }

     .packaging-grid {
         grid-template-columns: 1fr;
         gap: 30px;
     }

     .certificates-grid {
         gap: 20px;
     }

     .certificate-item {
         width: 130px;
     }

     .certificate-image {
         width: 130px;
         height: 130px;
     }

     .app-content {
         flex-direction: column;
         text-align: center;
     }

     .app-qr {
         order: 3;
         margin-top: 30px;
     }
 }

 @media (max-width: 768px) {
     nav ul {
         justify-content: center;
     }

     nav ul li {
         margin: 0px 5px;
     }

     nav ul li a {
         font-size: 0.8rem;
         padding: 08px 4px;
     }

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

     footer {
         flex-direction: column;
         text-align: center;
         gap: 20px;
     }

     footer img {
         margin: 10px 0;
         max-width: 120px;
     }

     .disclaimer {
         padding: 20px 15px;
     }

     .disclaimer-container {
         padding: 20px;
     }

     .carousel-slide {
         flex: 0 0 100%;
     }

     .packaging-image {
         height: 250px;
     }

     .certificates-grid {
         gap: 15px;
     }

     .certificate-item {
         width: calc(50% - 15px);
         max-width: 150px;
     }

     .certificate-image {
         width: 100%;
         height: 0;
         padding-bottom: 100%;
         position: relative;
     }

     .certificate-image img {
         position: absolute;
         top: 0;
         left: 0;
         width: 100%;
         height: 100%;
     }

     .app-feature {
         flex-direction: column;
         text-align: center;
         padding: 20px;
     }

     html[dir="rtl"] .app-feature {
         text-align: center;
     }

     .app-feature i {
         margin-right: 0;
         margin-bottom: 10px;
         font-size: 2rem;
         align-self: center;
     }

     html[dir="rtl"] .app-feature i {
         margin-left: 0;
     }

     .app-qr {
         padding: 15px;
     }

     .app-qr img {
         width: 150px;
         height: 150px;
     }

     .features-grid-4col {
         grid-template-columns: 1fr;
     }
 }

 @media (max-width: 600px) {
     .features-grid-4col {
         grid-template-columns: 1fr;
     }

     .box-grid {
         grid-template-columns: 1fr;
         gap: 20px;
     }

     .packaging-item {
         padding: 20px;
     }

     .packaging-item h3 {
         font-size: 1.2rem;
     }

     .certificate-item {
         width: calc(50% 10px);
     }

     nav ul li {
         margin: 40 40px;
     }

     nav ul li a {
         font-size: 0.75rem;
     }
 }

 @media (max-width: 480px) {
     .hero-text h1 {
         font-size: 1.6rem;
     }

     .hero-text p {
         font-size: 0.95rem;
     }

     nav ul {
         justify-content: center;
         padding: 0 20px;
     }

     nav ul li {
         margin: 0 auto;
     }

     nav ul li a {
         font-size: 0.7rem;
         padding: 6px 2px;
     }

     .section-title {
         font-size: 1.6rem;
         margin-bottom: 30px;
     }

     .carousel-slide {
         flex: 0 0 100%;
     }

     .app-qr img {
         width: 120px;
         height: 120px;
     }

     .packaging-image {
         height: 200px;
     }

     .certificate-item {
         width: 100%;
         max-width: 90px;
         padding: 5px;
     }

     .back-to-top {
         bottom: 70px;
         right: 15px;
         width: 45px;
         height: 45px;
         font-size: 1rem;
     }

     html[dir="rtl"] .back-to-top {
         right: auto;
         left: 15px;
     }

     section {
         padding: 60px 15px;
     }
 }