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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fff;
}

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

/* Header Styles */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.logo {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo svg {
    height: 50px;
    width: auto;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 25px;
    flex-wrap: wrap;
}

.nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav a:hover {
    color: #0066CC;
}

.cta-button {
    background: #0066CC;
    color: #fff;
    padding: 12px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
    box-shadow: 0 2px 8px rgba(0,102,204,0.3);
}

.cta-button:hover {
    background: #0052A3;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,102,204,0.4);
}

.cta-button.primary {
    background: #0066CC;
}

.cta-button.secondary {
    background: #fff;
    color: #0066CC;
    border: 2px solid #0066CC;
}

.cta-button.secondary:hover {
    background: #0066CC;
    color: #fff;
}

.cta-button.large {
    padding: 18px 40px;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #0066CC 0%, #004C99 100%);
    color: #fff;
    padding: 80px 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

/* Features Section */
.features {
    padding: 80px 0;
    background: #f8f9fa;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #333;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.feature-card {
    background: #fff;
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #0066CC;
}

.feature-card p {
    color: #666;
    line-height: 1.7;
}

/* Content Section */
.content-section {
    padding: 80px 0;
    max-width: 1000px;
    margin: 0 auto;
}

.content-section h2 {
    font-size: 2.2rem;
    margin-top: 50px;
    margin-bottom: 20px;
    color: #0066CC;
}

.content-section h2:first-child {
    margin-top: 0;
}

.content-section h3 {
    font-size: 1.7rem;
    margin-top: 35px;
    margin-bottom: 15px;
    color: #333;
}

.content-section p {
    margin-bottom: 20px;
    font-size: 1.05rem;
    line-height: 1.8;
    color: #555;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #0066CC 0%, #004C99 100%);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

/* Platform Section */
.download-platforms {
    padding: 80px 0;
    background: #f8f9fa;
}

.download-platforms h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #333;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.platform-card {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform 0.3s;
}

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

.platform-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
}

.platform-card h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: #333;
}

.platform-card p {
    color: #666;
    margin-bottom: 20px;
}

.btn-secondary {
    display: inline-block;
    padding: 12px 30px;
    background: #0066CC;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    transition: background 0.3s;
    font-weight: 600;
}

.btn-secondary:hover {
    background: #0052A3;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: #fff;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #fff;
}

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

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

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #0066CC;
}

.footer-section p {
    color: #ccc;
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 30px;
    text-align: center;
    color: #999;
}

.footer-bottom a {
    color: #0066CC;
    text-decoration: none;
}

.footer-bottom .disclaimer {
    margin-top: 15px;
    font-size: 0.9rem;
}

/* Language Switcher */
.language-switcher {
    position: relative;
    display: inline-block;
}

.language-button {
    background: #f8f9fa;
    border: 1px solid #e0e0e0;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    transition: all 0.3s;
}

.language-button:hover {
    background: #e9ecef;
    border-color: #0066CC;
}

.language-icon {
    font-size: 1.2rem;
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    min-width: 220px;
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    margin-top: 5px;
}

.language-switcher:hover .language-dropdown {
    display: block;
}

.language-dropdown a {
    display: block;
    padding: 10px 16px;
    color: #333;
    text-decoration: none;
    transition: background 0.2s;
    font-size: 0.95rem;
    border-bottom: 1px solid #f0f0f0;
}

.language-dropdown a:last-child {
    border-bottom: none;
}

.language-dropdown a:hover {
    background: #f8f9fa;
    color: #0066CC;
}

.language-dropdown a.active {
    background: #e3f2fd;
    color: #0066CC;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .nav ul {
        gap: 15px;
    }
    
    .header-content {
        justify-content: center;
    }
    
    .nav {
        order: 3;
        width: 100%;
    }
    
    .nav ul {
        justify-content: center;
    }
    
    .language-switcher {
        margin-top: 10px;
    }
    
    .language-dropdown {
        right: auto;
        left: 0;
    }
}

@media (max-width: 640px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .features h2,
    .download-platforms h2,
    .cta-section h2 {
        font-size: 2rem;
    }
    
    .content-section h2 {
        font-size: 1.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .cta-button {
        width: 100%;
        text-align: center;
    }
}

/* Download Page Specific Styles */
.download-section {
    padding: 60px 0;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.download-card {
    background: #fff;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s;
}

.download-card:hover {
    border-color: #0066CC;
    box-shadow: 0 8px 25px rgba(0,102,204,0.15);
}

.download-card h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
    color: #333;
}

.download-card .version {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.download-card .btn-download {
    display: inline-block;
    padding: 14px 35px;
    background: #0066CC;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s;
}

.download-card .btn-download:hover {
    background: #0052A3;
    transform: translateY(-2px);
}

/* Installation Steps */
.installation-steps {
    background: #f8f9fa;
    padding: 60px 0;
}

.steps-container {
    max-width: 900px;
    margin: 0 auto;
}

.step {
    background: #fff;
    padding: 30px;
    margin-bottom: 25px;
    border-radius: 10px;
    border-left: 5px solid #0066CC;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.step h3 {
    color: #0066CC;
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.step p {
    color: #555;
    line-height: 1.7;
}

/* Requirements Box */
.requirements-box {
    background: #fff3cd;
    border: 2px solid #ffc107;
    border-radius: 10px;
    padding: 25px;
    margin: 30px 0;
}

.requirements-box h3 {
    color: #856404;
    margin-bottom: 15px;
}

.requirements-box ul {
    list-style-position: inside;
    color: #856404;
}

.requirements-box ul li {
    margin-bottom: 8px;
}