:root {
            --bs-primary: #3b82f6;
            --bs-primary-rgb: 59, 130, 246;
            --bs-body-bg: #0f172a;
            --bs-body-color: #f8fafc;
            --bs-tertiary-bg: #1e293b;
            --font-family-sans-serif: 'Roboto', sans-serif;
            --font-family-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
            --bs-heading-font-family: 'Exo 2', sans-serif;
            --bs-heading-font-weight: 600;
        }

body {
    font-family: var(--font-family-sans-serif);
    background-color: var(--bs-body-bg);

    background-image: linear-gradient(to bottom right, #1d244b, rgba(4, 7, 12, 0.8));
    
    /* Assure que le fond couvre toute la page et reste fixe au défilement */
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-size: 100% 100%, 100% 100%, 100% 100%;
}

h1, h2, h3, h4, h5, h6, .navbar-brand {
    font-family: 'Exo 2', sans-serif;
    font-weight: 700;
}

/* Amélioration des titres principaux */
.display-4, .display-5 {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f8fafc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

/* Animation pour les titres au scroll */
@keyframes titleGlow {
    0%, 100% { filter: drop-shadow(0 0 5px rgba(59, 130, 246, 0.3)); }
    50% { filter: drop-shadow(0 0 15px rgba(59, 130, 246, 0.6)); }
}

.display-4:hover, .display-5:hover {
    animation: titleGlow 2s ease-in-out infinite;
}

/* Effet de parallaxe pour les éléments */
.parallax-element {
    transition: transform 0.3s ease-out;
}

/* Amélioration des liens de navigation */

.navbar {
    /* Navbar avec effet glassmorphism amélioré - plus transparente */
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    
    /* Bordure avec gradient subtil */
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);

    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Style pour les liens du menu de navigation */
.navbar .nav-link {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    font-weight: 500;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar .nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(139, 92, 246, 0.2));
    transition: width 0.3s ease;
    border-radius: 8px;
}

.navbar .nav-link:hover::before {
    width: 100%;
}


/* Ajout pour centrer verticalement les liens du menu */
.navbar-nav {
    align-items: center;
}


.section-divider {
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.5), rgba(139, 92, 246, 0.5), transparent);
    border: none;
    margin: 6rem auto;
    max-width: 60%;
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.page-header {
    padding-top: 8rem;
    padding-bottom: 4rem;
}

.hero-banner { padding: 100px 0; background-color: var(--bs-body-bg); }

.hero {
    padding: 8rem 0 4rem 0;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 700;
    line-height: 1.2;
}

.hero .lead {
    font-size: 1.25rem;
    color: #c6cde6;
}

.btn-primary {
    --bs-btn-bg: linear-gradient(135deg, #3b82f6, #6366f1);
    --bs-btn-border-color: transparent;
    background: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
    border: none;
    padding: 0.875rem 2rem;
    font-weight: 600;
    font-family: 'Exo 2', sans-serif;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 4px 15px rgba(59, 130, 246, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-primary::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-primary:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, #2563eb 0%, #5b21b6 100%);
    box-shadow: 
        0 8px 25px rgba(59, 130, 246, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

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

.btn-outline-light {
    padding: 0.875rem 2rem;
    font-weight: 600;
    font-family: 'Exo 2', sans-serif;
    border-radius: 12px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

.card {
    background: linear-gradient(145deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.9));
    border: 1px solid rgba(59, 130, 246, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.5), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(59, 130, 246, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border-color: rgba(59, 130, 246, 0.4);
}

.card:hover::before {
    opacity: 1;
}

.benefit-icon {
    font-size: 3rem;
    transition: all 0.3s ease;
}

.card:hover .benefit-icon {
    transform: scale(1.1);
}

.img-fluid {
    border-radius: 16px;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.img-fluid:hover {
    transform: scale(1.02);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(59, 130, 246, 0.3);
}

.nav-link {
    transition: color 0.2s ease;
}

.nav-link.active, .nav-link:hover {
    color: #f8fafc
}



section {
    padding: 5rem 0;
}

.final-cta {
    background-color: #030617;
}

footer {
    background: linear-gradient(135deg, rgba(3, 6, 23, 0.95), rgba(15, 23, 42, 0.95));
    padding-top: 2rem;
    border-top: 1px solid rgba(59, 130, 246, 0.2);
    backdrop-filter: blur(10px);
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.5), transparent);
}

/* Animations et effets supplémentaires */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* Effet de lueur pour les éléments interactifs */
.glow-on-hover {
    position: relative;
}

.glow-on-hover::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #3b82f6, #8b5cf6, #3b82f6);
    border-radius: inherit;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
    background-size: 200% 200%;
    animation: shimmer 2s linear infinite;
}

.glow-on-hover:hover::after {
    opacity: 1;
}

/* Amélioration des scrollbars */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.5);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #2563eb, #5b21b6);
}

/* Effet de particules en arrière-plan (optionnel) */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
    animation: float 6s ease-in-out infinite;
    pointer-events: none;
}


#pills-tabContent {
    background: linear-gradient(145deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.9)) !important;
    border-radius: 16px !important;
    backdrop-filter: blur(10px) !important;
    border: 1px solid rgba(59, 130, 246, 0.2) !important;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1) !important;
}

.nav-pills .nav-link {
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
}

.nav-pills .nav-link.active {
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
    border-color: rgba(59, 130, 246, 0.3);
}

.nav-pills .nav-link:hover:not(.active) {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.2);
}