        @font-face {
            font-family: 'B Nazanin';
            src: url('https://cdn.jsdelivr.net/gh/rastikerdar/bnazanin-font@v1.0.0/BNazanin.ttf') format('truetype');
            font-weight: normal;
            font-style: normal;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        :root {
            --primary-color: #1a237e;
            --secondary-color: #ff6f00;
            --accent-color-1: #00838f;
            --accent-color-2: #7b1fa2;
            --light-bg: #f5f5f5;
            --dark-text: #263238;
            --light-text: #546e7a;
            --white: #ffffff;
            --section-padding: 80px 0;
        }
        
        body {
            font-family: 'Vazir', sans-serif;
            color: var(--dark-text);
            line-height: 1.6;
            overflow-x: hidden;
            background-color: #f9f9f9;
        }
        
        h1, h2, h3, h4, h5, h6 {
            font-family: 'B Nazanin', serif;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--primary-color);
        }
        
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* هدر */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        /* لوگو */
        .logo {
            display: flex;
            align-items: center;
            position: relative;
            z-index: 1001;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .logo-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color-1));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-left: 15px;
            color: var(--white);
            font-size: 28px;
            font-weight: bold;
            position: relative;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(26, 35, 126, 0.3);
            transition: all 0.3s ease;
        }
        
        .logo-icon::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(
                45deg,
                transparent,
                rgba(255, 255, 255, 0.3),
                transparent
            );
            transform: rotate(45deg);
            transition: all 0.5s;
            opacity: 0;
        }
        
        .logo:hover .logo-icon::before {
            animation: shine 0.5s ease-in-out;
        }
        
        .logo:hover .logo-icon {
            transform: scale(1.1) rotate(10deg);
            box-shadow: 0 8px 25px rgba(26, 35, 126, 0.4);
        }
        
        @keyframes shine {
            0% {
                transform: translateX(-100%) translateY(-100%) rotate(45deg);
                opacity: 0;
            }
            50% {
                opacity: 1;
            }
            100% {
                transform: translateX(100%) translateY(100%) rotate(45deg);
                opacity: 0;
            }
        }
        
        .logo-text {
            font-family: 'B Nazanin', serif;
            font-size: 28px;
            font-weight: bold;
            color: var(--primary-color);
            position: relative;
            transition: all 0.3s ease;
        }
        
        .logo-text::after {
            content: '';
            position: absolute;
            bottom: -5px;
            right: 0;
            width: 0;
            height: 3px;
            background-color: var(--secondary-color);
            transition: width 0.3s ease;
        }
        
        .logo:hover .logo-text::after {
            width: 100%;
        }
        
        /* منوی ناوبری */
        nav {
            flex: 1;
        }
        
        nav ul {
            display: flex;
            justify-content: center;
            list-style: none;
        }
        
        nav ul li {
            margin-right: 30px;
            position: relative;
        }
        
        nav ul li a {
            text-decoration: none;
            color: var(--dark-text);
            font-weight: 500;
            font-size: 16px;
            transition: color 0.3s;
            position: relative;
            padding: 5px 0;
            display: inline-block;
        }
        
        nav ul li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            right: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary-color);
            transition: width 0.3s ease;
        }
        
        nav ul li a:hover {
            color: var(--secondary-color);
        }
        
        nav ul li a:hover::after {
            width: 100%;
        }
        
        /* شماره تماس در هدر */
        .header-contact {
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, var(--secondary-color), #ff8f00);
            color: var(--white);
            padding: 10px 20px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(255, 111, 0, 0.3);
        }
        
        .header-contact:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(255, 111, 0, 0.4);
        }
        
        .header-contact i {
            margin-left: 8px;
            font-size: 18px;
        }
        
        /* منوی موبایل */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--primary-color);
            z-index: 1001;
            aria-label: "باز کردن منوی موبایل"
        }
        
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -300px;
            width: 300px;
            height: 100vh;
            background-color: var(--white);
            box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
            z-index: 1002;
            padding: 100px 20px 20px;
            transition: right 0.3s ease;
            overflow-y: auto;
            role="navigation"
            aria-label="منوی اصلی"
        }
        
        .mobile-menu.active {
            right: 0;
        }
        
        .mobile-menu ul {
            list-style: none;
        }
        
        .mobile-menu ul li {
            margin-bottom: 20px;
        }
        
        .mobile-menu ul li a {
            text-decoration: none;
            color: var(--dark-text);
            font-size: 18px;
            font-weight: 500;
            display: block;
            padding: 10px 15px;
            border-radius: 5px;
            transition: all 0.3s ease;
        }
        
        .mobile-menu ul li a:hover {
            background-color: var(--light-bg);
            color: var(--secondary-color);
            padding-right: 25px;
        }
        
        .close-menu {
            position: absolute;
            top: 20px;
            left: 20px;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--dark-text);
            aria-label: "بستن منوی موبایل"
        }
        
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 1001;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            role="button"
            aria-label="بستن منو"
            tabindex="0"
        }
        
        .overlay.active {
            opacity: 1;
            visibility: visible;
        }
        
        /* بخش هیرو */
        .hero {
            background: linear-gradient(135deg, rgba(26, 35, 126, 0.9), rgba(0, 131, 143, 0.8)), url('https://images.unsplash.com/photo-1509228626545-7da4a8c2e3a0?ixlib=rb-4.0.3&auto=format&fit=crop&w=1950&q=80') center/cover no-repeat;
            color: var(--white);
            padding: 180px 0 120px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHBhdHRlcm5Vbml0cz0idXNlclNwYWNlT25Vc2UiIHBhdHRlcm5UcmFuc2Zvcm09InJvdGF0ZSg0NSkiPjxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSIyMCIgaGVpZ2h0PSIyMCIgZmlsbD0icmdiYSgyNTUsIDI1NSwgMjU1LCAwLjAzKSIvPjwvcGF0ZXJuPjwvZGVmcz48cmVjdCB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiBmaWxsPSJ1cmwoI3BhdHRlcm4pIi8+PC9zdmc+');
            opacity: 0.3;
            animation: moveBackground 20s linear infinite;
        }
        
        @keyframes moveBackground {
            0% {
                background-position: 0 0;
            }
            100% {
                background-position: 100px 100px;
            }
        }
        
        .hero-content {
            position: relative;
            z-index: 1;
        }
        
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 30px;
            color: var(--white);
            line-height: 1.2;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 1s ease forwards;
        }
        
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 40px;
            color: rgba(255, 255, 255, 0.9);
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 1s ease 0.3s forwards;
        }
        
        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 1s ease 0.6s forwards;
        }
        
        .cta-button {
            background: linear-gradient(135deg, var(--secondary-color), #ff8f00);
            color: var(--white);
            padding: 12px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            display: inline-block;
            position: relative;
            overflow: hidden;
            z-index: 1;
            box-shadow: 0 4px 15px rgba(255, 111, 0, 0.3);
        }
        
        .cta-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.2);
            transform: translateX(-100%);
            transition: transform 0.3s ease;
            z-index: -1;
        }
        
        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(255, 111, 0, 0.4);
        }
        
        .cta-button:hover::before {
            transform: translateX(0);
        }
        
        .secondary-button {
            background-color: transparent;
            border: 2px solid var(--white);
            color: var(--white);
            padding: 12px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            display: inline-block;
        }
        
        .secondary-button:hover {
            background-color: var(--white);
            color: var(--primary-color);
        }
        
        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* بخش درباره من */
        .about {
            padding: var(--section-padding);
            background-color: var(--white);
            position: relative;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -15px;
            right: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(to left, var(--secondary-color), transparent);
            border-radius: 2px;
        }
        
        .about-content {
            display: flex;
            align-items: center;
            gap: 50px;
        }
        
        .about-image {
            flex: 1;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
            position: relative;
            transform: translateX(-50px);
            opacity: 0;
            transition: all 0.8s ease;
        }
        
        .about-image.visible {
            transform: translateX(0);
            opacity: 1;
        }
        
        .about-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
            loading="lazy"
            alt="سید علی حسینی - مدرس ریاضی دانشگاه صنعتی شریف"
        }
        
        .about-image:hover img {
            transform: scale(1.05);
        }
        
        .about-image::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(26, 35, 126, 0.7), rgba(0, 131, 143, 0.5));
            opacity: 0;
            transition: opacity 0.5s ease;
        }
        
        .about-image:hover::before {
            opacity: 1;
        }
        
        .about-text {
            flex: 2;
            transform: translateX(50px);
            opacity: 0;
            transition: all 0.8s ease 0.2s;
        }
        
        .about-text.visible {
            transform: translateX(0);
            opacity: 1;
        }
        
        .about-text h3 {
            font-size: 2rem;
            margin-bottom: 20px;
            color: var(--primary-color);
        }
        
        .about-text p {
            margin-bottom: 20px;
            color: var(--light-text);
            line-height: 1.8;
        }
        
        .about-text ul {
            margin-right: 20px;
            margin-bottom: 30px;
        }
        
        .about-text ul li {
            margin-bottom: 10px;
            color: var(--light-text);
            position: relative;
            padding-right: 25px;
        }
        
        .about-text ul li::before {
            content: '✓';
            position: absolute;
            right: 0;
            color: var(--secondary-color);
            font-weight: bold;
        }
        
        /* بخش خدمات - تغییر رنگ به سبز */
        .services {
            padding: var(--section-padding);
            background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
            position: relative;
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .service-card {
            background-color: var(--white);
            border-radius: 15px;
            padding: 40px 30px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
            transform: translateY(50px);
            opacity: 0;
        }
        
        .service-card.visible {
            transform: translateY(0);
            opacity: 1;
        }
        
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: linear-gradient(to bottom, #4caf50, #8bc34a);
            transform: scaleY(0);
            transition: transform 0.3s ease;
            transform-origin: bottom;
        }
        
        .service-card:hover {
            transform: translateY(-15px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }
        
        .service-card:hover::before {
            transform: scaleY(1);
        }
        
        .service-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, #4caf50, #8bc34a);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            color: var(--white);
            font-size: 36px;
            transition: all 0.3s ease;
            position: relative;
            z-index: 1;
        }
        
        .service-card:hover .service-icon {
            transform: rotate(10deg) scale(1.1);
            box-shadow: 0 10px 20px rgba(76, 175, 80, 0.3);
        }
        
        .service-card h3 {
            font-size: 1.6rem;
            margin-bottom: 15px;
            transition: color 0.3s ease;
        }
        
        .service-card:hover h3 {
            color: #4caf50;
        }
        
        /* بخش محتوا */
        .content {
            padding: var(--section-padding);
            background-color: var(--white);
            position: relative;
        }
        
        .content-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .content-item {
            background: linear-gradient(135deg, var(--light-bg), #e8eaf6);
            border-radius: 15px;
            padding: 30px 20px;
            text-align: center;
            transition: all 0.4s ease;
            transform: scale(0.9);
            opacity: 0;
        }
        
        .content-item.visible {
            transform: scale(1);
            opacity: 1;
        }
        
        .content-item:hover {
            transform: translateY(-10px) scale(1.03);
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color-1));
            color: var(--white);
            box-shadow: 0 15px 30px rgba(26, 35, 126, 0.2);
        }
        
        .content-item i {
            font-size: 50px;
            margin-bottom: 20px;
            color: var(--secondary-color);
            transition: all 0.3s ease;
            display: inline-block;
        }
        
        .content-item:hover i {
            color: var(--white);
            transform: rotateY(360deg);
        }
        
        .content-item h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            transition: color 0.3s ease;
        }
        
        .content-item:hover h3 {
            color: var(--white);
        }
        
        /* بخش بلاگ - تغییر رنگ‌بندی */
        .blog {
            padding: var(--section-padding);
            background: linear-gradient(135deg, #e0f2f1, #b2dfdb);
            position: relative;
        }
        
        .blog-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .blog-card {
            background-color: var(--white);
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            transition: all 0.4s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        
        .blog-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }
        
        .blog-content {
            padding: 25px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        
        .blog-content h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: var(--primary-color);
        }
        
        .blog-content p {
            color: var(--light-text);
            margin-bottom: 20px;
            flex: 1;
        }
        
        .blog-date {
            display: flex;
            align-items: center;
            color: var(--light-text);
            font-size: 0.9rem;
            margin-top: auto;
        }
        
        .blog-date i {
            margin-left: 8px;
            color: var(--secondary-color);
        }
        
        .read-more {
            display: inline-flex;
            align-items: center;
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            margin-top: 15px;
            transition: all 0.3s ease;
        }
        
        .read-more:hover {
            color: var(--secondary-color);
            transform: translateX(-5px);
        }
        
        .read-more i {
            margin-right: 5px;
            transition: transform 0.3s ease;
        }
        
        .read-more:hover i {
            transform: translateX(3px);
        }
        
        /* بخش چرا من را انتخاب کنید؟ */
        .why-choose {
            padding: var(--section-padding);
            background: linear-gradient(135deg, #bbdefb, #e1bee7);
            position: relative;
        }
        
        .why-choose-container {
            display: flex;
            align-items: center;
            gap: 50px;
            margin-top: 50px;
        }
        
        .why-choose-content {
            flex: 1;
        }
        
        .why-choose-content h3 {
            font-size: 2rem;
            margin-bottom: 30px;
            color: var(--primary-color);
        }
        
        .why-choose-list {
            list-style: none;
        }
        
        .why-choose-list li {
            display: flex;
            align-items: flex-start;
            margin-bottom: 25px;
            padding: 15px;
            background-color: rgba(255, 255, 255, 0.7);
            border-radius: 10px;
            transition: all 0.3s ease;
        }
        
        .why-choose-list li:hover {
            background-color: rgba(255, 255, 255, 0.9);
            transform: translateX(-10px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .why-choose-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--secondary-color), #ff8f00);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-left: 15px;
            color: var(--white);
            font-size: 18px;
            flex-shrink: 0;
        }
        
        .why-choose-text {
            flex: 1;
        }
        
        .why-choose-text h4 {
            font-size: 1.2rem;
            margin-bottom: 5px;
            color: var(--primary-color);
        }
        
        .why-choose-text p {
            color: var(--light-text);
        }
        
        .why-choose-animation {
            flex: 1;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        
        .student-img {
            width: 100%;
            max-width: 400px;
            height: auto;
            border-radius: 40px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
            animation: float 2s ease-in-out infinite;
            loading = "lazy"
            alt="دانشجو در حال مطالعه ریاضی"
        }
        
        @keyframes float {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-20px);
            }
        }
        
        /* بخش نظرات */
        .testimonials {
            padding: var(--section-padding);
            background: linear-gradient(135deg, #fff3e0, #ffe0b2);
            position: relative;
        }
        
        .testimonials-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 30px;
            margin-top: 50px;
        }
        
        .testimonial-card {
            background-color: var(--white);
            border-radius: 15px;
            padding: 30px;
            width: 45%;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            transform: translateY(50px);
            opacity: 0;
            transition: all 0.5s ease;
        }
        
        .testimonial-card.visible {
            transform: translateY(0);
            opacity: 1;
        }
        
        .testimonial-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }
        
        .testimonial-text {
            font-style: italic;
            margin-bottom: 25px;
            color: var(--light-text);
            line-height: 1.8;
            position: relative;
            padding-right: 25px;
        }
        
        .testimonial-text::before {
            content: '"';
            position: absolute;
            right: 0;
            top: -10px;
            font-size: 60px;
            color: var(--secondary-color);
            opacity: 0.3;
            font-family: serif;
        }
        
        .author-info {
            text-align: right;
        }
        
        .author-info h4 {
            font-size: 1.2rem;
            margin-bottom: 5px;
            color: var(--primary-color);
        }
        
        .author-info p {
            font-size: 0.9rem;
            color: var(--light-text);
        }
        
        /* بخش رزرو تلگرام */
        .telegram-booking {
            padding: var(--section-padding);
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color-1));
            position: relative;
            text-align: center;
        }
        
        .telegram-content {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .telegram-content h2 {
            color: var(--white);
            font-size: 2.5rem;
            margin-bottom: 20px;
        }
        
        .telegram-content p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.2rem;
            margin-bottom: 30px;
        }
        
        .telegram-button {
            display: inline-flex;
            align-items: center;
            background: linear-gradient(135deg, var(--secondary-color), #ff8f00);
            color: var(--white);
            padding: 15px 40px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }
        
        .telegram-button:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
        }
        
        .telegram-button i {
            margin-left: 10px;
            font-size: 1.3rem;
        }
        
        /* بخش اطلاعات تماس */
        .contact-info {
            padding: var(--section-padding);
            background: linear-gradient(135deg, #e8eaf6, #e0f7fa);
            position: relative;
        }
        
        .contact-info h3 {
            font-size: 2rem;
            margin-bottom: 30px;
            text-align: center;
            color: var(--primary-color);
        }
        
        .contact-info-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 30px;
            margin-top: 50px;
        }
        
        .info-item {
            display: flex;
            align-items: center;
            background-color: var(--white);
            padding: 25px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            width: 45%;
            transition: all 0.3s ease;
        }
        
        .info-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }
        
        .info-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color-1));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-left: 20px;
            color: var(--white);
            font-size: 24px;
            flex-shrink: 0;
        }
        
        .info-text h4 {
            font-size: 1.2rem;
            margin-bottom: 5px;
            color: var(--primary-color);
        }
        
        .info-text p {
            color: var(--light-text);
        }
        
        /* فوتر */
        footer {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color-1));
            color: var(--white);
            padding: 60px 0 30px;
            position: relative;
        }
        
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
            position: relative;
            z-index: 1;
        }
        
        .footer-col {
            flex: 1;
            min-width: 250px;
        }
        
        .footer-col h3 {
            font-size: 1.8rem;
            margin-bottom: 25px;
            color: var(--white);
            position: relative;
            padding-bottom: 15px;
        }
        
        .footer-col h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            right: 0;
            width: 50px;
            height: 3px;
            background-color: var(--secondary-color);
        }
        
        .footer-col p {
            margin-bottom: 20px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 15px;
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-block;
            position: relative;
            padding-right: 20px;
        }
        
        .footer-links a::before {
            content: '◄';
            position: absolute;
            right: 0;
            color: var(--secondary-color);
            transition: all 0.3s ease;
        }
        
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-right: 30px;
        }
        
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 25px;
        }
        
        .social-links a {
            width: 50px;
            height: 50px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 20px;
            transition: all 0.3s ease;
            aria-label="شبکه‌های اجتماعی"
        }
        
        .social-links a:hover {
            background-color: var(--secondary-color);
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(255, 111, 0, 0.3);
        }
        
        /* دکمه بازگشت به بالا */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            left: 30px;
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--secondary-color), #ff8f00);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 20px;
            cursor: pointer;
            box-shadow: 0 5px 15px rgba(255, 111, 0, 0.3);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 999;
            aria-label="بازگشت به بالا"
        }
        
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        
        .back-to-top:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(255, 111, 0, 0.4);
        }
        
        /* ریسپانسیو */
        @media (max-width: 992px) {
            .about-content {
                flex-direction: column;
            }
            
            .why-choose-container {
                flex-direction: column;
            }
            
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .testimonial-card {
                width: 100%;
            }
            
            .info-item {
                width: 100%;
            }
        }
        
        @media (max-width: 768px) {
            nav ul {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .header-container {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
                padding: 10px 0;
            }
            
            .mobile-menu-btn {
                order: 1;
            }
            
            .logo {
                order: 2;
                margin: 0;
            }
            
            .header-contact {
                order: 3;
                padding: 8px 15px;
                font-size: 14px;
            }
            
            .logo-icon {
                width: 40px;
                height: 40px;
                font-size: 20px;
            }
            
            .logo-text {
                font-size: 20px;
            }
            
            .hero {
                padding: 150px 0 80px;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .services-grid {
                grid-template-columns: 1fr;
            }
            
            .content-grid {
                grid-template-columns: 1fr;
            }
            
            .blog-grid {
                grid-template-columns: 1fr;
            }
            
            .testimonials-container {
                flex-direction: column;
            }
            
            .contact-info-container {
                flex-direction: column;
            }
            
            .footer-container {
                flex-direction: column;
            }
        }
        
        @media (max-width: 576px) {
            .hero h1 {
                font-size: 1.8rem;
            }
            
            .hero p {
                font-size: 0.9rem;
            }
            
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            
            .section-title {
                margin-bottom: 40px;
            }
            
            .back-to-top {
                bottom: 20px;
                left: 20px;
                width: 40px;
                height: 40px;
                font-size: 16px;
            }
            
            .student-img {
                max-width: 300px;
            }
        }
        
        /* کاهش حرکت برای کاربران حساس */
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
            
            .hero::before {
                animation: none;
            }
            
            .student-img {
                animation: none;
            }
        }
 
/* حالت موبایل */
@media (max-width: 768px) {

    /* هدر ستونی شود */
    .header-container {
        flex-direction: row;
        justify-content: space-between;
    }

    /* منوی اصلی مخفی شود */
    nav {
        display: none;
    }

    /* دکمه منوی موبایل نمایش داده شود */
    .mobile-menu-btn {
        display: block;
    }

    /* شماره تماس کوچک‌تر شود */
    .header-contact {
        font-size: 14px;
        padding: 8px 14px;
    }
}
