:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --text-color: #333;
    --text-light: #777;
    --bg-color: #fff;
    --bg-light: #f9f9f9;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Tajawal', 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    direction: rtl;
}

body[dir="ltr"] {
    direction: ltr;
    font-family: 'Roboto', 'Tajawal', sans-serif;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.navbar {
    background-color: var(--bg-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.logo {
    width: 40px;
    height: 40px;
    margin-left: 10px;
}

.logo-text {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-link {
    margin: 0 1rem;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    right: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.lang-btn {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition);
}

.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    text-align: center;
}

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

.primary-btn:hover {
    background-color: #c0392b;
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

.secondary-btn {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

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

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

.hero-image img {
    max-width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    right: 50%;
    transform: translateX(50%);
    width: 80px;
    height: 4px;
    background-color: var(--secondary-color);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: var(--text-light);
}

.about {
    background-color: var(--bg-light);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.about-text ul {
    margin-right: 1.5rem;
    margin-bottom: 1.5rem;
}

.about-text li {
    margin-bottom: 0.5rem;
    position: relative;
}

.about-text li::before {
    content: '✓';
    position: absolute;
    right: -1.5rem;
    color: var(--secondary-color);
    font-weight: bold;
}

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

.about-image img {
    max-width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--bg-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.download {
    background-color: var(--bg-light);
}

.download-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.download-card {
    background-color: var(--bg-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

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

.os-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.download-card h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.download-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.download-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem;
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
}

.download-link:hover {
    background-color: var(--secondary-color);
    color: white;
}

.system-requirements {
    background-color: var(--bg-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.system-requirements h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.system-requirements ul {
    margin-right: 1.5rem;
}

.system-requirements li {
    margin-bottom: 0.5rem;
    position: relative;
}

.system-requirements li::before {
    content: '•';
    position: absolute;
    right: -1rem;
    color: var(--secondary-color);
}

.github-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
}

.github-text {
    flex: 1;
}

.github-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--dark-color);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    margin-top: 1.5rem;
    transition: var(--transition);
}

.github-btn:hover {
    background-color: #1a252f;
    transform: translateY(-3px);
}

.github-stats {
    flex: 1;
    display: flex;
    justify-content: space-around;
}

.stat {
    text-align: center;
}

.stat i {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

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

.footer {
    background-color: var(--dark-color);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--light-color);
}

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #bbb;
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #bbb;
}

@media (max-width: 992px) {
    .hero-container,
    .about-content,
    .github-content {
        flex-direction: column;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .github-stats {
        margin-top: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        width: 100%;
        background-color: var(--bg-color);
        flex-direction: column;
        padding: 1rem 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-link {
        margin: 0.5rem 0;
        padding: 0.5rem 1rem;
        width: 100%;
        text-align: center;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .features-grid,
    .download-options {
        grid-template-columns: 1fr;
    }
    
    .github-stats {
        flex-direction: column;
        gap: 2rem;
    }
}