/* Design épuré pour la section Values avec liquid glass */

/* Variables de couleurs */
:root {
    --indigo-500: #6366f1;
    --indigo-600: #4f46e5;
    --purple-500: #8b5cf6;
    --purple-600: #7c3aed;
    --purple-700: #6d28d9;
}

/* Subtitle */
.about-values__subtitle {
    font-size: var(--font-size-section-subtitle);
    color: #64748b;
    margin: 0 auto 4rem;
    text-align: center;
    max-width: 600px;
    font-weight: 400;
    line-height: 1.5;
}

/* Animations */
@keyframes liquid-float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-4px) scale(1.02); }
}

@keyframes shine-sweep {
    0% { transform: translateX(-120%) skewX(-20deg); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateX(120%) skewX(-20deg); opacity: 0; }
}

/* Cartes - Design épuré avec glow */
.about-values__card {
    position: relative;
    background: #ffffff;
    border-radius: 20px;
    padding: 2rem;
    min-height: 300px;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.08),
        0 1px 3px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(226, 232, 240, 0.5);
    overflow: hidden;
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

/* Bordures colorées avec glow */
.about-values__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: 20px 20px 0 0;
    transition: all 0.3s ease;
}

/* Couleurs des cartes */
.about-values__card--featured::before { 
    background: linear-gradient(90deg, var(--indigo-500), var(--purple-500));
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}
.about-values__card--security::before { 
    background: linear-gradient(90deg, var(--indigo-600), var(--purple-600));
    box-shadow: 0 0 20px rgba(79, 70, 229, 0.4);
}
.about-values__card--innovation::before { 
    background: linear-gradient(90deg, var(--purple-500), var(--purple-600));
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.4);
}
.about-values__card--service::before { 
    background: linear-gradient(90deg, var(--purple-600), var(--purple-700));
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.4);
}

/* Hover effects */
.about-values__card:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.12),
        0 8px 16px rgba(0, 0, 0, 0.08);
}

.about-values__card:hover::before {
    height: 5px;
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.6);
}

/* Icônes avec effet liquid glass */
.about-values__card-icon {
    width: 70px;
    height: 70px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.4),
        rgba(255, 255, 255, 0.2),
        rgba(255, 255, 255, 0.08)
    );
    backdrop-filter: blur(20px) saturate(1.8) brightness(1.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: 
        0 8px 32px rgba(31, 38, 135, 0.3),
        inset 0 2px 6px rgba(255, 255, 255, 0.4);
    filter: drop-shadow(0 4px 12px rgba(255, 255, 255, 0.15));
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 2;
}

/* Brillance sur les icônes */
.about-values__card-icon::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    width: calc(100% + 10px);
    height: calc(100% + 10px);
    background: linear-gradient(115deg, 
        transparent 30%,
        rgba(255, 255, 255, 0.7) 50%,
        transparent 70%
    );
    border-radius: inherit;
    transform: translateX(-120%) skewX(-20deg);
    transition: none;
    z-index: 1;
}

.about-values__card-icon::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 30%, 
        rgba(255, 255, 255, 0.25) 0%,
        rgba(255, 255, 255, 0.08) 40%,
        transparent 70%
    );
    border-radius: inherit;
    opacity: 0.6;
    z-index: 0;
}

/* Couleurs d'icônes */
.about-values__card--featured .about-values__card-icon { color: var(--indigo-500); }
.about-values__card--security .about-values__card-icon { color: var(--indigo-600); }
.about-values__card--innovation .about-values__card-icon { color: var(--purple-500); }
.about-values__card--service .about-values__card-icon { color: var(--purple-600); }

/* Animation au hover */
.about-values__card:hover .about-values__card-icon {
    animation: liquid-float 2.5s ease-in-out infinite;
    backdrop-filter: blur(25px) saturate(2.2) brightness(1.2);
    transform: translateY(-3px);
}

.about-values__card:hover .about-values__card-icon::before {
    animation: shine-sweep 2s ease-out infinite;
}

.about-values__card:hover .about-values__card-icon::after {
    opacity: 0.8;
}

/* Titres et texte */
.about-values__card-title {
    color: #0f172a;
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.about-values__card-text {
    color: #64748b;
    line-height: 1.6;
    font-size: 0.95rem;
    margin: 0;
    font-weight: 400;
}

.about-values__card:hover .about-values__card-title { color: #1e293b; }
.about-values__card:hover .about-values__card-text { color: #475569; }

/* Focus pour accessibilité */
.about-values__card:focus,
.about-values__card:focus-within {
    outline: none;
    transform: translateY(-4px);
    box-shadow: 
        0 15px 35px rgba(0, 0, 0, 0.08),
        0 6px 14px rgba(0, 0, 0, 0.06),
        0 0 0 2px rgba(99, 102, 241, 0.3);
}

/* Responsive */
@media (max-width: 768px) {
    .about-values__card {
        min-height: 280px;
        padding: 1.5rem;
    }
    
    .about-values__card-icon {
        width: 60px;
        height: 60px;
        font-size: 22px;
        margin-bottom: 1.5rem;
    }
    
    .about-values__card-title {
        font-size: 1.25rem;
    }
    
    .about-values__card-text {
        font-size: 0.9rem;
    }
    
    .about-values__card:hover .about-values__card-icon {
        animation: none;
        transform: scale(1.02);
    }
}

/* Performance - préférences d'accessibilité */
@media (prefers-reduced-motion: reduce) {
    .about-values__card,
    .about-values__card-icon {
        animation: none !important;
        transition-duration: 0.2s;
    }
    
    .about-values__card:hover {
        box-shadow: 
            0 20px 40px rgba(0, 0, 0, 0.08),
            0 8px 16px rgba(0, 0, 0, 0.06);
    }
}