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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #0a0a0a;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #667eea;
}

.back-button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.back-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

/* Main Content */
main {
    margin-top: 80px;
    padding: 4rem 0;
}

.page-header {
    text-align: center;
    margin-bottom: 4rem;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff 0%, #a0a0a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header .subtitle {
    font-size: 1.25rem;
    color: #a0a0a0;
    margin-bottom: 2rem;
}

.disclaimer {
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.3);
    border-radius: 15px;
    padding: 1.5rem;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.disclaimer h3 {
    color: #ff6b6b;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.disclaimer p {
    color: #ffffff;
    line-height: 1.6;
}

/* Video Sections */
.video-section {
    margin-bottom: 5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.video-section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #667eea;
}

.video-section p {
    color: #a0a0a0;
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.7;
}

.video-container {
    position: relative;
    background: #000;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.video-container video {
    width: 100%;
    height: auto;
    display: block;
}

.video-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

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

.video-item h4 {
    color: #ffffff;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.video-item .video-label {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.authentic-label {
    background: rgba(76, 175, 80, 0.2);
    color: #4caf50;
    border: 1px solid rgba(76, 175, 80, 0.5);
}

.fake-label {
    background: rgba(244, 67, 54, 0.2);
    color: #f44336;
    border: 1px solid rgba(244, 67, 54, 0.5);
}

.evolution-badge {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.tech-note {
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: 10px;
    padding: 1rem;
    margin-top: 1.5rem;
    font-size: 0.95rem;
    color: #a0a0a0;
}

.tech-note strong {
    color: #667eea;
}

/* Comparison Section */
.comparison-intro {
    text-align: center;
    margin-bottom: 2rem;
}

.comparison-intro h3 {
    color: #ff6b6b;
    margin-bottom: 1rem;
}

.vs-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 2rem 0;
}

.vs-divider::before,
.vs-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, #667eea, transparent);
}

.vs-text {
    padding: 0 2rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #667eea;
}

/* Call to Action */
.cta-section {
    text-align: center;
    padding: 4rem 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-radius: 20px;
    margin-top: 4rem;
}

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.1rem;
    color: #a0a0a0;
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #667eea;
    padding: 1rem 2rem;
    border: 2px solid #667eea;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .video-grid {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
    }

    .video-section {
        padding: 2rem 1rem;
    }
}