/* Styles modernes améliorés */
.hero-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.hero-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,1000 1000,0 1000,1000"/></svg>');
    background-size: cover;
}

.dark .hero-gradient {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
}

.glass-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.dark .glass-card {
    background: rgba(31, 41, 55, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.modern-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(0);
}

.modern-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.dark .modern-card:hover {
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.category-card {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.dark .category-card {
    background: linear-gradient(135deg, #374151 0%, #1f2937 100%);
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #3b82f6, transparent);
    transition: left 0.5s ease;
}

.category-card:hover::before {
    left: 100%;
}

.btn-modern {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
}

.btn-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn-modern:hover::before {
    left: 100%;
}

.testimonial-modern {
    position: relative;
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    border-left: 4px solid transparent;
    background-clip: padding-box;
}

.dark .testimonial-modern {
    background: linear-gradient(145deg, #374151 0%, #1f2937 100%);
}

.testimonial-modern::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, #3b82f6, #8b5cf6);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.testimonial-modern:hover::before {
    opacity: 1;
}

.floating-animation {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.pulse-glow {
    animation: pulse-glow 2s ease-in-out infinite alternate;
}

@keyframes pulse-glow {
    from { box-shadow: 0 0 20px rgba(59, 130, 246, 0.3); }
    to { box-shadow: 0 0 30px rgba(59, 130, 246, 0.6); }
}

.slide-up-enter {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-up-enter.visible {
    opacity: 1;
    transform: translateY(0);
}

.stats-counter {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.dark .stats-counter {
    background: linear-gradient(135deg, #1e3a8a 0%, #3730a3 100%);
}

.stats-counter::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate 10s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}