/* Landing Page Styles - Demo Chooser */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a25;
    --bg-card-hover: #222230;
    --accent-cyan: #00d4ff;
    --accent-blue: #2563eb;
    --accent-purple: #7c3aed;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b7b;
    --border: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
.header {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.logo-img {
    width: 160px;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
}

/* Hero */
.hero {
    text-align: center;
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Demos Grid */
.demos-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.demo-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid var(--border);
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.demo-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.demo-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.15);
}

.demo-card:hover::before {
    transform: scaleX(1);
}

.demo-number {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 3rem;
    font-weight: 800;
    color: rgba(0, 212, 255, 0.1);
    line-height: 1;
}

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

.demo-card h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--accent-cyan);
}

.demo-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex: 1;
}

.demo-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.feature {
    background: var(--bg-secondary);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.demo-cta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.btn-demo {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    color: var(--bg-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s;
}

.demo-card:hover .btn-demo {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
}

.demo-duration {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Info Section */
.info-section {
    margin-bottom: 3rem;
}

.info-card {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(124, 58, 237, 0.05));
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
}

.info-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--accent-cyan);
}

.info-card p {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.info-card strong {
    color: var(--accent-cyan);
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(37, 99, 235, 0.1));
    border-radius: 20px;
    margin-bottom: 3rem;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.cta-section h2 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.cta-section p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.btn-cta {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: var(--bg-primary);
    padding: 1rem 2.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid var(--border);
}

.footer p {
    margin-bottom: 0.25rem;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1.5rem;
    }

    .hero h1 {
        font-size: 1.5rem;
    }

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

    .demo-card {
        padding: 1.5rem;
    }

    .demo-number {
        font-size: 2.5rem;
    }

    .cta-section h2 {
        font-size: 1.4rem;
    }

    .demo-cta {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }

    .btn-demo {
        text-align: center;
    }

    .demo-duration {
        text-align: center;
    }
}

/* Animation d'entrée */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.demo-card {
    animation: fadeInUp 0.6s ease forwards;
}

.demo-card:nth-child(2) {
    animation-delay: 0.15s;
}