@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@100..900&display=swap');
     * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            list-style: none;
        }
       

        :root {
            --primary: #0a2463;
            --primary-light: #1e3a8a;
            --primary-dark: #071a4a;
            --secondary: #c9a03d;
            --secondary-light: #e6b84e;
            --accent: #2b7a62;
            --bg-primary: #ffffff;
            --bg-secondary: #f8fafc;
            --bg-tertiary: #f1f5f9;
            --bg-card: #ffffff;
            --bg-footer: #0a2463;
            --text-primary: #0f172a;
            --text-secondary: #334155;
            --text-muted: #64748b;
            --text-light: #f8fafc;
            --border: #e2e8f0;
            --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
            --gradient-primary: linear-gradient(135deg, #0a2463 0%, #1e3a8a 100%);
            --gradient-secondary: linear-gradient(135deg, #c9a03d 0%, #e6b84e 100%);
        }

        body.dark {
            --bg-primary: #0f172a;
            --bg-secondary: #1e293b;
            --bg-tertiary: #0f172a;
            --bg-card: #1e293b;
            --bg-footer: #020617;
            --text-primary: #f1f5f9;
            --text-secondary: #cbd5e1;
            --text-muted: #94a3b8;
            --border: #334155;
        }

        body {
            font-family: 'Vazirmatn', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            transition: all 0.3s ease;
            line-height: 1.6;
            direction: rtl;

        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* Navbar */
        .navbar {
            padding: 1.2rem 0.4rem;
            gap: 20px;
            border-bottom: 2px solid var(--border);
            position: sticky;
            top: 0;
            background: var(--bg-primary);
            z-index: 1000;
            
        }
        .navbar-desktop{
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .mobile-container{
            display: flex;
            justify-content: space-between;
            align-items: start;
            background-color: var(--bg-primary);
            width: 100%;
            height: 100vh;
            position: fixed;
            top: 0;
            left: -100%;
            z-index: 2000;
            padding: 24px;
            transition: left 0.3s ease;
        }
        .mobileLogo{
            display: flex;
            flex-direction: column;
            gap: 12px;
            width: 9rem;
        }
        .mobileLogo .logo-text{
            font-size: 0.4rem;
        }
        .mobilNav{
            display: flex;
            flex-direction: column;
            gap: 16px;


        }
        .nav-links-mobile{
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 12px;
            width: 100%;

            
        }
        .nav-links-mobile a{
            text-decoration: none;
            color: var(--text-secondary);
            width: 100%;
            
        }
        .nav-links-mobile li a:hover{
            color:var(--secondary) ;
        }
        .btnContainer-mobile{
            display: flex;
            flex-direction: column;
            gap: 12px;
 
        }
        #bars , #cross{
            display: none;
            color: var(--text-secondary);
            background:transparent;
            border: none;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }

        .logo-icon {
            font-size: 2rem;
            color: var(--secondary);
        }

        .logo-text {
            font-size: 1.6rem;
            font-weight: 800;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            background-clip: text;
            color: var(--text-primary);
        }
        .btnContainer{
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
        }

        .nav-links {
            display: flex;
            gap: 28px;
            align-items: center;
            flex-wrap: wrap;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            font-weight: 600;
            color: var(--text-primary);
            transition: 0.2s;
        }

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

        .btn {
            padding: 0.6rem 1.5rem;
            border-radius: 50px;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: all 0.2s;
            font-family: 'Vazirmatn', sans-serif;
        }

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

        .btn-outline:hover {
            background: var(--primary);
            color: white;
        }

        .btn-primary {
            background: var(--gradient-primary);
            color: white;
        }

        .theme-toggle {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 0.5rem 1rem;
            cursor: pointer;
            color: var(--text-primary);
        }

        /* Modal */
        .modal {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.7);
            z-index: 1000;
            justify-content: center;
            align-items: center;
            overflow: auto;
        }

        .modal.active {
            display: flex;
        }

        .modal-form {
            display: flex;
            flex-direction: column;
            gap: 4px;
            background: var(--bg-card);
            padding: 2rem;
            border-radius: 32px;
            width: 90%;
            max-width: 450px;
            box-shadow: var(--shadow-xl);
           
        }

        .modal-form h2 {
            margin-bottom: 1.5rem;
            text-align: center;
        }

        .modal-form input, .modal-form textarea {
            width: 100%;
            padding: 12px;
           
            border: 1px solid var(--border);
            border-radius: 12px;
            background: var(--bg-primary);
            color: var(--text-primary);
            font-family: 'Vazirmatn', sans-serif;
            border: 1px solid gray;
        }

        .modal-form .error {
            color: #e74c3c;
            font-size: 0.8rem;
            margin-top: 4px;
        }

        .modal-buttons {
            display: flex;
            gap: 1rem;
            margin-top: 0.4rem;
        }
        #toggleAuthMode{
            text-align: center;
            margin-top: 0.5rem;
            cursor: pointer; 
            color: var(--secondary);
        }

        /* Hero */
        .hero {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 50px;
            padding: 60px 0;
            min-height: 100vh;
            min-width: 230px;
        }

        .hero-content {
            flex: 1 1 48%;
        }

        .hero-badge {
            background: var(--gradient-secondary);
            display: inline-block;
            padding: 0.3rem 1rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 1.5rem;
        }

        .hero-content h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1.2rem;
        }

        .hero-content h1 span {
            color: var(--secondary);
        }

        .hero-illustration {
            flex: 1 1 48%;
            text-align: center;
        }

        .hero-illustration img {
            width: 100%;
            height: 100%;
            border-radius: 32px;
            box-shadow: var(--shadow-xl);
        }

        /* Section Styles */
        .section-title {
            font-size: 2.3rem;
            font-weight: 800;
            text-align: center;
            margin: 4rem 0 1rem;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background: var(--gradient-secondary);
            margin: 0.8rem auto 0;
            border-radius: 4px;
        }

        /* Features Grid */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }

        .feature-card {
            background: var(--bg-card);
            padding: 2rem;
            border-radius: 28px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            transition: all 0.3s;
        }

        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-xl);
        }

        .feature-icon {
            font-size: 3rem;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 1rem;
        }

        /* Course Section */
        .course-section {
            background: var(--bg-secondary);
            border-radius: 48px;
            padding: 3rem 2rem;
            margin: 3rem 0;
        }

        .course-row {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .course-col {
            background: var(--bg-card);
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all 0.3s;
        }

        .course-col:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .course-col img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .course-info {
            padding: 1.5rem;
            text-align: center;
        }

        /* Blog Grid */
        .blog-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }

        .blog-card {
            background: var(--bg-card);
            border-radius: 28px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all 0.3s;
        }

        .blog-card:hover {
            transform: translateY(-5px);
        }

        .blog-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }

        .blog-content {
            padding: 1.5rem;
        }

        /* Research Grid */
        .research-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }

        .research-card {
            background: var(--bg-card);
            padding: 2rem;
            border-radius: 28px;
            text-align: center;
            box-shadow: var(--shadow-md);
        }

        /* Video Demo */
        .demo-section {
            background: var(--bg-tertiary);
            border-radius: 48px;
            padding: 3rem;
            margin: 3rem 0;
            text-align: center;
        }

        .video-wrapper {
            max-width: 800px;
            min-width: 250px;
            margin: 0 auto;
            border-radius: 32px;
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }

        video {
            width: 100%;

        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }

        .testimonial-card {
            background: var(--bg-card);
            border-radius: 28px;
            padding: 2rem;
            box-shadow: var(--shadow-md);
            border-right: 5px solid var(--secondary);
        }

        /* Stats */
        .stats-section {
            background: var(--gradient-primary);
            border-radius: 48px;
            padding: 3rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            text-align: center;
            margin: 3rem 0;
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--secondary);
        }
        .stat-label{
            color: #fafafa;
        }

        /* Contact Form */
        .contact-container{
            display: flex; 
            flex-wrap: wrap;
             gap: 3rem; 
             justify-content: center;
        }
        .contact-cart{
            flex: 1; 
            min-width: 280px;
        }
        .contact-form {
            max-width: 600px;
            margin: 2rem auto;
            background: var(--bg-card);
            padding: 2rem;
            border-radius: 32px;
            box-shadow: var(--shadow-md);
            
        }

        .contact-form input, .contact-form textarea {
            width: 100%;
            padding: 12px;
            margin: 10px 0;
            border: 1px solid var(--border);
            border-radius: 12px;
            background: var(--bg-primary);
            color: var(--text-secondary);
        }
        .contact-form label {
            color: #716f6f;
        }
        .contact-form .error {
            margin-bottom: 4px;
            color: red;
        }

        /* FAQ */
        .faq-grid {
            max-width: 800px;
            margin: 2rem auto;
        }

        .faq-item {
            background: var(--bg-secondary);
            border-radius: 20px;
            padding: 1.2rem 1.8rem;
            margin-bottom: 1rem;
            cursor: pointer;
            border: 1px solid var(--border);
        }

        .faq-question {
            font-weight: 700;
            display: flex;
            justify-content: space-between;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: 0.3s;
        }

        .faq-item.active .faq-answer {
            max-height: 150px;
            padding-top: 12px;
        }

        /* Footer */
        footer {
            background: var(--bg-footer);
            margin-top: 4rem;
            padding: 3rem 0 2rem;
            color: var(--text-light);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 2.5rem;
        }

        .footer-col h4 {
            color: var(--secondary);
            margin-bottom: 1rem;
        }

        .footer-col a {
            display: block;
            color: var(--text-light);
            text-decoration: none;
            opacity: 0.8;
            margin-bottom: 0.5rem;
        }

        .social-icons {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
        }

        .social-icons a {
            font-size: 1.5rem;
        }
        .footer-bottom{
            text-align: center;
            color: #6e6b6b;
            margin-top: 8px;
        }

        .page {
            display: none;
            animation: fadeIn 0.3s;
        }
        .active-page {
            display: block;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px);}
            to { opacity: 1; transform: translateY(0);}
        }

        @media (max-width: 768px) {

            .container { padding: 0 8px; }
            .navbar{
                direction: rtl;
            }
            .nav-links , .btnContainer{
                display: none;
            }
            #bars ,#cross{
                display: block;
            }

            .mobile-container.activMobil{
                left: 0;
            }
              .hero {
                    flex-direction: column;
                }
            .hero-content,
            .hero-illustration {
                flex: 1 1 100%;
                width: 100%;
            }
            .section-title { font-size: 1.8rem; }
            .nav-links { gap: 15px; }
        }
        @media (max-width:380px){
           .stats-section,.testimonial-grid,.research-grid,.blog-grid,.course-row,.features-grid{
            grid-template-columns: 250px;
            align-items: center;
            justify-content: center;
            margin: 0 auto;
           } 
            .main-logo{
                display: none;
            }
            .navbar-desktop{
                justify-content: end;
            }
            .mobile-container.activMobil{
                left: 5%;
            }
           .stats-section{
            margin-top: 12px;
           }

            .demo-section {
            padding: 0;
            margin: 0;
            text-align: center;
        }

        .video-wrapper {

            width: 250px;
            margin: 0 auto;
            border-radius: 32px;
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }

        video {
            width: 90%;

        }

        }