/* Vibe Cosmique & IA - Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;800&display=swap');

body {
    background: radial-gradient(circle at center, #1e1b4b 0%, #0f172a 100%);
    font-family: 'Inter', sans-serif;
    color: #f8fafc;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Texte dégradé animé */
.ai-gradient-text {
    background: linear-gradient(270deg, #60a5fa, #c084fc, #f472b6, #60a5fa);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 4s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Glassmorphism */
.glass-card {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
}

.feature-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.feature-box:hover {
    transform: translateY(-2px) scale(1.02);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(96, 165, 250, 0.4);
    box-shadow: 0 10px 20px -10px rgba(96, 165, 250, 0.3);
}

/* Badge qui pulse */
.pulse-badge {
    animation: pulseRed 2s infinite;
}

@keyframes pulseRed {
    0% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.7); }
    70% { box-shadow: 0 0 0 8px rgba(220, 38, 38, 0); }
    100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0); }
}

/* Animation flottante (icône Gemini) */
.float-anim {
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-8px); box-shadow: 0 15px 25px rgba(96, 165, 250, 0.2); }
    100% { transform: translateY(0px); }
}

/* Bouton WhatsApp Vert Brillant */
.btn-whatsapp-active {
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: white !important;
    border: none;
    box-shadow: 0 0 20px rgba(37, 211, 102, 0.4);
    transform: scale(1.02);
}
.btn-whatsapp-active:hover {
    box-shadow: 0 0 30px rgba(37, 211, 102, 0.6);
    transform: scale(1.04);
}

/* Particules d'arrière-plan */
#particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(167, 139, 250, 0.8) 0%, rgba(96, 165, 250, 0.2) 60%, transparent 100%);
    box-shadow: 0 0 15px rgba(96, 165, 250, 0.3);
    opacity: 0;
    animation: floatUp linear infinite;
}

@keyframes floatUp {
    0% { transform: translateY(100vh) scale(0); opacity: 0; }
    10% { opacity: 0.6; }
    90% { opacity: 0.4; }
    100% { transform: translateY(-10vh) scale(1.5); opacity: 0; }
}