/* Reset et variables CSS */
:root {
    --primary-color: #8B5CF6;
    --secondary-color: #A855F7;
    --accent-color: #C084FC;
    --dark-bg: #0F0F23;
    --darker-bg: #050514;
    --card-bg: #1A1A2E;
    --text-primary: #FFFFFF;
    --text-secondary: #B8B8D1;
    --text-muted: #6B7280;
    --gradient-primary: linear-gradient(135deg, #8B5CF6 0%, #A855F7 50%, #C084FC 100%);
    --gradient-dark: linear-gradient(135deg, #0F0F23 0%, #1A1A2E 100%);
    --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.3);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Exo 2', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typographie */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    line-height: 1.2;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header et Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
    z-index: 1000;
    transition: var(--transition);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    width: 40px;
    height: 40px;
    transition: transform 0.3s ease;
}

.logo-img:hover {
    transform: scale(1.1);
}

.brand-name {
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
}

/* Section Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--gradient-dark);
    overflow: hidden;
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 800px;
    padding: 2rem;
}

.hero-logo-img {
    width: 150px;
    height: 150px;
    margin-bottom: 2rem;
    filter: drop-shadow(0 0 20px rgba(139, 92, 246, 0.5));
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { filter: drop-shadow(0 0 20px rgba(139, 92, 246, 0.5)); }
    to { filter: drop-shadow(0 0 30px rgba(139, 92, 246, 0.8)); }
}

.hero-slogan {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-style: italic;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.void-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(139, 92, 246, 0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(168, 85, 247, 0.2), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(192, 132, 252, 0.3), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(139, 92, 246, 0.2), transparent);
    background-repeat: repeat;
    background-size: 200px 200px;
    animation: particles 20s linear infinite;
}

@keyframes particles {
    0% { transform: translate(0, 0); }
    100% { transform: translate(-200px, -200px); }
}

/* Sections */
.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mission {
    padding: 6rem 0;
    background: var(--darker-bg);
}

.mission-content {
    text-align: center;
}

.mission-text {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.mission-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid rgba(139, 92, 246, 0.2);
    transition: var(--transition);
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.sectors {
    padding: 6rem 0;
    background: var(--dark-bg);
}

.sectors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.sector-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(139, 92, 246, 0.2);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.sector-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.1), transparent);
    transition: var(--transition);
}

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

.sector-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
    border-color: var(--primary-color);
}

.sector-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.sector-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.vision {
    padding: 6rem 0;
    background: var(--darker-bg);
}

.vision-content {
    text-align: center;
}

.vision-text {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.vision-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 4rem;
    font-weight: 900;
    color: var(--primary-color);
    font-family: 'Orbitron', monospace;
}

.stat-label {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* Footer */
.footer {
    background: var(--darker-bg);
    border-top: 1px solid rgba(139, 92, 246, 0.2);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo-img {
    width: 30px;
    height: 30px;
    margin-right: 0.5rem;
}

.footer-name {
    font-family: 'Orbitron', monospace;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.footer-slogan {
    color: var(--text-muted);
    font-style: italic;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(139, 92, 246, 0.2);
    color: var(--text-secondary);
}

.contact-email {
    color: var(--accent-color);
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.contact-email:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    text-shadow: 0 0 5px rgba(139, 92, 246, 0.5);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--darker-bg);
        flex-direction: column;
        padding: 2rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .mission-features {
        grid-template-columns: 1fr;
    }
    
    .sectors-grid {
        grid-template-columns: 1fr;
    }
    
    .vision-stats {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .nav {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-slogan {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .mission-text,
    .vision-text {
        font-size: 1.2rem;
    }
}

/* Animations d'entrée */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Scrollbar personnalisée */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--darker-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Language Selector */
.language-selector {
    display: flex;
    gap: 5px;
}

.lang-btn {
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: var(--primary-color);
    padding: 5px 10px;
    border-radius: 3px;
    text-decoration: none;
    font-size: 0.9em;
    transition: all 0.3s ease;
    cursor: pointer;
}

.lang-btn:hover {
    background: rgba(139, 92, 246, 0.2);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.lang-btn.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.5);
}