/* ============================================
   FOOTER AMÉLIORÉ - Version Riche
   ============================================ */

.footer {
    background: linear-gradient(to bottom, rgba(10, 10, 15, 0) 0%, rgba(10, 10, 15, 0.98) 10%);
    backdrop-filter: blur(30px);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 6rem 0 2rem;
    margin-top: 8rem;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.6), rgba(118, 75, 162, 0.6), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: 2.5fr 1.2fr 1.2fr 1.8fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

/* Colonne Brand */
.footer-brand {
    max-width: 400px;
}

.footer-logo {
    display: inline-block;
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.2rem;
    letter-spacing: -2px;
}

.footer-tagline {
    font-size: 1.05rem;
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 1rem;
    line-height: 1.7;
}

.footer-description {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.footer-social a {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(102, 126, 234, 0.08);
    border: 1.5px solid rgba(102, 126, 234, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 1.1rem;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.footer-social a::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(118, 75, 162, 0.15));
    opacity: 0;
    transition: opacity 0.35s ease;
}

.footer-social a:hover {
    border-color: rgba(102, 126, 234, 0.5);
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.25);
}

.footer-social a:hover::before {
    opacity: 1;
}

/* Colonnes de navigation */
.footer-section h4 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1.8rem;
    color: var(--text-primary);
    position: relative;
    padding-bottom: 0.8rem;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-color), transparent);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 1rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    position: relative;
}

.footer-links a::before {
    content: '→';
    opacity: 0;
    transform: translateX(-8px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--accent-color);
    font-weight: 700;
}

.footer-links a:hover {
    color: var(--accent-color);
    transform: translateX(4px);
}

.footer-links a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

/* Colonne À propos */
.footer-about {
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.9;
}

.footer-about strong {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 600;
}

/* Footer Bottom */
.footer-bottom {
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.9rem;
}

.footer-legal {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    position: relative;
}

.footer-legal a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

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

.footer-legal a:hover::after {
    width: 100%;
}

/* Responsive */
@media (max-width: 1200px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
        gap: 3rem;
    }
}

@media (max-width: 1024px) {
    .footer {
        padding: 5rem 0 2rem;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem 2.5rem;
    }
}

@media (max-width: 768px) {
    .footer {
        padding: 4rem 0 2rem;
        margin-top: 6rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-brand {
        max-width: 100%;
    }
    
    .footer-logo {
        font-size: 2.5rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .footer-legal {
        flex-direction: column;
        gap: 0.8rem;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .footer-logo {
        font-size: 2rem;
    }
    
    .footer-tagline {
        font-size: 0.95rem;
    }
    
    .footer-social a {
        width: 40px;
        height: 40px;
    }
}