:root {
    --primary-color: #00d4ff;
    --primary-dark: #0099cc;
    --secondary-color: #00ff88;
    --bg-dark: #0a0a0f;
    --bg-card: #1a1a2e;
    --bg-card-hover: #252545;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --border-color: #2a2a4a;
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    --gradient-secondary: linear-gradient(135deg, #00ff88 0%, #00cc66 100%);
    --gradient-bg: linear-gradient(180deg, #0a0a0f 0%, #1a1a2e 100%);
}

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

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

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

.logo-img {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: 8px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.download-nav-btn {
    background: var(--gradient-primary);
    color: #000 !important;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.download-nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 80px 20px 60px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 30%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 70%, rgba(0, 255, 136, 0.05) 0%, transparent 50%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: left;
}

.hero-logo {
    margin-bottom: 20px;
}

.hero-logo-img {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.3);
}

.hero-title {
    font-size: 4rem;
    font-weight: bold;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-stats {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.hero-stats span {
    background: var(--bg-card);
    padding: 10px 20px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.download-btn {
    display: inline-block;
    background: var(--gradient-primary);
    color: #000;
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.6);
}

.hero-screenshot {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-shot {
    width: 100%;
    max-width: 450px;
    aspect-ratio: 16/9;
    background: var(--bg-card);
    border-radius: 20px;
    border: 2px solid var(--border-color);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 50px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features-section {
    background: rgba(26, 26, 46, 0.5);
}

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

.feature-card {
    background: var(--bg-card);
    padding: 35px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

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

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.screenshots-section {
    background: var(--bg-dark);
}

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

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

.screenshot-item img {
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--bg-card);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    margin-bottom: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.screenshot-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.reviews-section {
    background: rgba(26, 26, 46, 0.5);
}

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

.review-card {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.reviewer-info {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.reviewer-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
}

.reviewer-name {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.reviewer-rating {
    color: #ffd700;
    font-size: 0.9rem;
}

.review-content {
    color: var(--text-secondary);
    line-height: 1.8;
}

.download-section {
    background: var(--bg-dark);
    text-align: center;
}

.download-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.download-btn-large {
    display: inline-block;
    background: var(--gradient-primary);
    color: #000;
    padding: 20px 60px;
    border-radius: 40px;
    font-size: 1.3rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.5);
}

.download-btn-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 212, 255, 0.7);
}

.download-info {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 30px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    flex-wrap: wrap;
}

.footer {
    background: rgba(10, 10, 15, 0.95);
    border-top: 1px solid var(--border-color);
    padding: 40px 20px;
    text-align: center;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

.footer-logo-img {
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: 8px;
}

.footer-logo span {
    font-size: 1.3rem;
    font-weight: bold;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-text {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.footer-copyright {
    color: #666;
    font-size: 0.85rem;
}

@media (max-width: 900px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-desc {
        margin: 0 auto 30px;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        padding: 20px;
        gap: 15px;
        border-bottom: 1px solid var(--border-color);
    }
}

@media (max-width: 600px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .download-btn-large {
        padding: 15px 40px;
        font-size: 1.1rem;
    }
    
    .download-info {
        flex-direction: column;
        gap: 10px;
    }
}