/* Reset و تنظیمات پایه */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #dc291e; /* قرمز چینی */
    --primary-dark: #b32118;
    --secondary-color: #ffde00; /* زرد چینی */
    --dark-color: #222;
    --light-color: #f8f9fa;
    --gray-color: #6c757d;
    --success-color: #28a745;
    --font-fa: 'Vazirmatn', sans-serif;
    --font-zh: 'Noto Sans SC', sans-serif;
    --border-radius: 8px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-fa);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
    direction: rtl;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* نوار ناوبری */
.navbar {
    background-color: white;
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: var(--primary-color);
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
}

.logo-sub {
    font-size: 0.8rem;
    color: var(--gray-color);
}

.nav-menu {
    display: flex;
    list-style: none;
}

.nav-menu li {
    margin: 0 10px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--dark-color);
    padding: 8px 15px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-weight: 500;
}

.nav-menu a:hover,
.nav-menu a.active {
    background-color: var(--primary-color);
    color: white;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-login, .btn-register {
    padding: 8px 20px;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    font-family: var(--font-fa);
    font-weight: 500;
    transition: var(--transition);
}

.btn-login {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

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

.btn-login:hover {
    background-color: #f8f8f8;
}

.btn-register:hover {
    background-color: var(--primary-dark);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-color);
}

/* هدر اصلی */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content {
    flex: 1;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--dark-color);
    line-height: 1.3;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--gray-color);
    margin-bottom: 30px;
}

.hero-stats {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-text {
    font-size: 0.9rem;
    color: var(--gray-color);
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.btn-primary, .btn-secondary {
    padding: 12px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

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

.btn-secondary:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
}

/* بخش ویژگی‌ها */
.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 50px;
    color: var(--dark-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    right: 50%;
    transform: translateX(50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

.features {
    padding: 80px 0;
    background-color: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--light-color);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--dark-color);
}

/* دوره‌ها */
.courses {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.course-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    position: relative;
    transition: var(--transition);
}

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

.course-level {
    position: absolute;
    top: -15px;
    left: 20px;
    padding: 5px 15px;
    border-radius: 20px;
    color: white;
    font-weight: 600;
}

.course-level.beginner {
    background-color: var(--success-color);
}

.course-level.intermediate {
    background-color: #ffc107;
}

.course-level.advanced {
    background-color: var(--primary-color);
}

.course-card h3 {
    margin-bottom: 15px;
    color: var(--dark-color);
}

.course-features {
    list-style: none;
    margin: 20px 0;
}

.course-features li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.course-features i {
    color: var(--success-color);
    margin-left: 10px;
}

.btn-course {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 10px 25px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    width: 100%;
    text-align: center;
}

.btn-course:hover {
    background-color: var(--primary-dark);
}

/* پیشنمایش الفبا */
.alphabet-preview {
    padding: 80px 0;
    background-color: white;
}

.alphabet-table {
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    padding: 30px;
    margin-bottom: 30px;
    overflow-x: auto;
}

/* فوتر */
.footer {
    background-color: var(--dark-color);
    color: white;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    margin-bottom: 20px;
    font-size: 1.3rem;
    color: var(--secondary-color);
}

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

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col a {
    color: #ddd;
    text-decoration: none;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--secondary-color);
    padding-right: 5px;
}

.contact-info li {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.contact-info i {
    margin-left: 10px;
    color: var(--secondary-color);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #333;
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #444;
    color: #aaa;
    font-size: 0.9rem;
}

.footer-bottom a {
    color: #ddd;
    text-decoration: none;
}

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

.text-center {
    text-align: center;
}

/* رسپانسیو */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--box-shadow);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .menu-toggle {
        display: block;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
}