:root {
    --bg-dark: #0D1117;
    --text-primary: #E6F1FF;
    --text-secondary: #8892B0;
    --accent: #64FFDA;
    --accent-secondary: #0A8C79;
    --card-bg: #161B22;
    --border-color: #21262D;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Gradient Background */
.gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: 
        radial-gradient(circle at 0% 0%, #0A8C79 0%, transparent 30%),
        radial-gradient(circle at 100% 0%, #0066CC 0%, transparent 30%),
        radial-gradient(circle at 50% 100%, #64FFDA 0%, transparent 30%);
    opacity: 0.05;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    opacity: 0.95;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 2rem;
    background: rgba(13, 17, 23, 0.8);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 500;
    font-family: 'Press Start 2P', cursive;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.logo a:hover {
    color: var(--accent);
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 2rem;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--text-primary);
}

/* Apps Section */
.apps-section {
    padding: 6rem 2rem;
    min-height: calc(100vh - 70px);
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.section-title {
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.5rem;
    font-weight: 600;
    background: linear-gradient(135deg, #64FFDA, #0066CC);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.app-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.app-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.app-icon {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: 16px;
    transition: transform 0.3s ease;
}

.app-card:hover .app-logo {
    transform: scale(1.05);
}

.app-icon i {
    transition: transform 0.3s ease;
}

.app-card:hover .app-icon i {
    transform: scale(1.1);
}

.app-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.app-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.app-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.store-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.store-button:hover {
    background: rgba(100, 255, 218, 0.1);
    border-color: var(--accent);
    transform: translateY(-2px);
}

.coming-soon {
    display: inline-block;
    padding: 0.75rem 1.25rem;
    background: rgba(100, 255, 218, 0.1);
    color: var(--accent);
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Language Toggle Button */
.lang-toggle {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    margin-left: 2rem;
}

.lang-toggle:hover {
    background: var(--accent-secondary);
    border-color: var(--accent);
}

.current-lang {
    font-weight: 600;
}

/* Contact Section */
.contact-section {
    padding: 6rem 2rem;
    background: rgba(22, 27, 34, 0.7);
}

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

.contact-buttons {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.contact-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #0A8C79, #0066CC);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.contact-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(100, 255, 218, 0.2);
}

.contact-button i {
    font-size: 1.25rem;
}

/* Footer */
footer {
    background: var(--card-bg);
    padding: 3rem 2rem;
    margin-top: 4rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem 0;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-link {
    color: var(--text-secondary);
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.social-link:hover {
    color: var(--accent);
    transform: translateY(-2px);
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Animations */
@keyframes gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Responsive Design */
@media (max-width: 768px) {
    .apps-section {
        padding: 4rem 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
        margin-bottom: 2rem;
    }
    
    nav {
        padding: 1rem;
    }

    .nav-content {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        display: flex;
        gap: 1rem;
    }

    .nav-links a {
        margin-left: 0;
    }

    .app-card {
        padding: 1.5rem;
    }

    .lang-toggle {
        margin: 1rem 0 0 0;
    }

    .contact-button {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }

    .apps-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .app-content h3 {
        font-size: 1.3rem;
    }

    .app-links {
        gap: 0.5rem;
    }
}

/* Smooth Transitions for Language Change */
[data-tr] {
    transition: opacity 0.3s ease;
}

.changing-lang [data-tr] {
    opacity: 0;
}