/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Cairo', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    min-height: 100vh;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 3px solid white;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
}

.language-switcher {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    background: rgba(255,255,255,0.2);
    border: 2px solid rgba(255,255,255,0.3);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.lang-btn:hover,
.lang-btn.active {
    background: rgba(255,255,255,0.3);
    border-color: white;
    transform: translateY(-2px);
}

/* Navigation Styles */
.nav {
    background: #f8f9fa;
    padding: 1rem 2rem;
    border-bottom: 1px solid #e9ecef;
}

.nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.nav-link {
    text-decoration: none;
    color: #495057;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

/* Main Content Styles */
.main-content {
    padding: 2rem;
}

.section {
    margin-bottom: 4rem;
}

.section h2 {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 2px;
}

/* Intro Card Styles */
.intro-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 3rem;
    border-radius: 20px;
    margin-bottom: 3rem;
}

.intro-text p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #495057;
}

.app-preview {
    width: 100%;
    max-width: 400px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
    border-color: #667eea;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    color: #667eea;
    margin-bottom: 1rem;
    font-weight: 600;
}

.feature-card p {
    color: #6c757d;
    line-height: 1.6;
}

/* Screens Grid */
.screens-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.screen-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.screen-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

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

.screen-card h3 {
    padding: 1rem 1.5rem 0.5rem;
    color: #667eea;
    font-size: 1.3rem;
    font-weight: 600;
}

.screen-card p {
    padding: 0 1.5rem 1.5rem;
    color: #6c757d;
    line-height: 1.6;
}

/* Guide Steps */
.guide-steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.step:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.step-number {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    color: #667eea;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.step-content p {
    color: #6c757d;
    line-height: 1.6;
}

/* Support Grid */
.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.support-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    transition: all 0.3s ease;
}

.support-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.support-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.support-card h3 {
    color: #667eea;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.support-card p {
    color: #6c757d;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.support-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.support-link:hover {
    color: #764ba2;
}

/* Footer Styles */
.footer {
    background: #343a40;
    color: white;
    padding: 2rem;
    text-align: center;
}

.footer-content p {
    margin: 0;
    font-size: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .nav ul {
        justify-content: center;
    }
    
    .intro-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .section h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 1rem;
    }
    
    .header {
        padding: 1rem;
    }
    
    .nav {
        padding: 1rem;
    }
    
    .nav ul {
        flex-direction: column;
        gap: 1rem;
    }
    
    .features-grid,
    .screens-grid,
    .support-grid {
        grid-template-columns: 1fr;
    }
}

/* RTL Support for Arabic */
[dir="rtl"] .step:hover {
    transform: translateX(-10px);
}

[dir="rtl"] .nav ul {
    direction: rtl;
}

[dir="rtl"] .intro-card {
    direction: rtl;
}

/* Animation for smooth transitions */
.section {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Language-specific styles */
body[lang="ar"] {
    direction: rtl;
    text-align: right;
}

body[lang="fr"],
body[lang="en"] {
    direction: ltr;
    text-align: left;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Download Section */
.download-container {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.download-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 2rem;
    max-width: 600px;
    width: 100%;
}

.qr-code {
    flex-shrink: 0;
    background: #f8f9fa;
    border-radius: 15px;
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

#qrcode {
    width: 150px;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.download-info {
    flex: 1;
}

.download-info h3 {
    color: #667eea;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.download-info p {
    color: #6c757d;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.download-btn {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    text-decoration: none;
    color: white;
}

/* Responsive design for download section */
@media (max-width: 768px) {
    .download-card {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    #qrcode {
        width: 120px;
        height: 120px;
    }
}