/* Hero Section */
.concept-hero {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.06) 0%, rgba(124, 58, 237, 0.02) 100%);
    padding: 5rem 2rem;
    text-align: center;
    color: var(--text-primary);
    border-bottom: 1px solid rgba(124, 58, 237, 0.2);
}

.concept-hero h1 {
    font-family: 'Orbitron', monospace;
    font-size: 2.8rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.concept-hero-description {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Section alternées */
.concept-section {
    padding: 5rem 2rem 1rem;
}

.concept-section-light {
    background: var(--bg-body);
}

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

.concept-section-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.concept-section-cta {
    margin-top: 0.5rem;
}

.concept-level-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.concept-section h2 {
    font-family: 'Orbitron', monospace;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.concept-section p {
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* CTA finale */
.concept-cta {
    background: linear-gradient(135deg, #7c3aed 0%, #9333ea 50%, #a855f7 100%);
    padding: 5rem 2rem;
    text-align: center;
    color: white;
}

.concept-cta h2 {
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 2rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.concept-cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.concept-cta .btn {
    font-size: 1.1rem;
    padding: 1rem 2.5rem;
    border-radius: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.concept-cta .btn-white {
    background: white;
    color: #7c3aed;
    border: none;
}

.concept-cta .btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.concept-cta .btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.concept-cta .btn-outline:hover {
    background: white;
    color: #7c3aed;
    transform: translateY(-3px);
}

/* Responsive */
@media (max-width: 768px) {
    .concept-hero {
        padding: 4rem 2rem;
    }

    .concept-hero h1 {
        font-size: 2rem;
        line-height: 1.2;
    }

    .concept-hero-description {
        font-size: 1rem;
        padding: 0 1rem;
    }

    .concept-section {
        padding: 3rem 1rem 0rem;
    }

    .concept-section-content {
        padding: 0 1rem;
    }

    .concept-section h2 {
        font-size: 1.5rem;
    }

    .concept-section p {
        font-size: 1rem;
        padding: 0 0.5rem;
    }

    .concept-cta h2 {
        font-size: 1.5rem;
    }

    .concept-cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Responsive - Très petit mobile */
@media (max-width: 480px) {
    .concept-hero {
        padding: 5rem 2rem 2rem;
    }

    .concept-hero h1 {
        font-size: 1.5rem;
        line-height: 1.2;
        margin-bottom: 1rem;
    }

    .concept-hero-description {
        font-size: 0.95rem;
        padding: 0 0.5rem;
    }

    .concept-section p {
        font-size: 0.95rem;
        padding: 0 0.75rem;
    }
}