:root {
    --primary: #0066cc;
    --secondary: #0099ff;
    --accent: #ff6600;
    --accent-glow: rgba(255, 102, 0, 0.6);
    --dark: #001a33;
    --darker: #000d1a;
    --light: #f0f8ff;
    --text: #ffffff;
    --text-light: #cce5ff;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, #ff9933 100%);
    --gradient-dark: linear-gradient(135deg, var(--dark) 0%, #003366 100%);
    --shadow: 0 10px 30px rgba(0,0,0,0.3);
    --shadow-glow: 0 0 20px var(--accent-glow);
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: all 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Montserrat', sans-serif;
    background: var(--gradient-dark);
    color: var(--text);
    overflow-x: hidden;
    line-height: 1.6;
    min-height: 100vh;
}

/* Container principal avec largeur maximale */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
}

/* Loader amélioré avec animations avancées */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--darker);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 1s ease, visibility 1s ease;
}

.loader-content {
    text-align: center;
    transform: translateY(0);
    animation: float 3s ease-in-out infinite;
}

.loader-logo {
    font-size: 4rem;
    color: var(--accent);
    margin-bottom: 20px;
    text-shadow: 0 0 15px var(--accent-glow);
    animation: pulse 2s infinite, rotate 4s linear infinite;
}

.loader-bar {
    width: 250px;
    height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
    overflow: hidden;
    margin: 0 auto;
    position: relative;
}

.loader-progress {
    height: 100%;
    width: 0%;
    background: var(--accent);
    border-radius: 4px;
    box-shadow: 0 0 10px var(--accent-glow);
    transition: width 0.3s ease;
    position: relative;
    overflow: hidden;
}

.loader-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: shimmer 2s infinite;
}

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

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
    100% { transform: scale(1); opacity: 1; }
}

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

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Animations avancées pour les éléments */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInFromTop {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

@keyframes pulse-glow {
    0%, 100% { 
        box-shadow: 0 15px 35px rgba(0,0,0,0.4), 0 0 25px var(--accent-glow);
    }
    50% { 
        box-shadow: 0 20px 45px rgba(0,0,0,0.5), 0 0 40px var(--accent-glow);
    }
}

@keyframes slideInFromBottom {
    from {
        opacity: 0;
        transform: translateY(100px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8) rotate(-5deg);
    }
    to {
        opacity: 1;
        transform: scale(1) rotate(0);
    }
}

@keyframes floatAnimation {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg); 
    }
    33% { 
        transform: translateY(-10px) rotate(2deg); 
    }
    66% { 
        transform: translateY(5px) rotate(-2deg); 
    }
}

/* Navigation améliorée */
.lang-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    background: rgba(0, 26, 51, 0.9);
    border-radius: 30px;
    padding: 8px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    animation: slideInFromTop 0.8s ease-out;
}

.lang-btn {
    padding: 10px 20px;
    border: none;
    background: transparent;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    color: var(--text-light);
    position: relative;
    overflow: hidden;
}

.lang-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: var(--transition-slow);
}

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

.lang-btn.active {
    background: var(--accent);
    color: var(--white);
    box-shadow: var(--shadow-glow);
    transform: scale(1.05);
}

.nav-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    background: rgba(0, 13, 26, 0.8);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    animation: slideInFromTop 0.6s ease-out;
}

.nav-container .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-scrolled {
    padding: 15px 0;
    background: rgba(0, 13, 26, 0.95);
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
}

.logo {
    display: flex;
    align-items: center;
}

.logo-icon {
    font-size: 2.5rem;
    color: var(--accent);
    margin-right: 15px;
    filter: drop-shadow(0 0 5px var(--accent-glow));
    animation: pulse 3s infinite;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--accent), var(--text));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 10px rgba(255,102,0,0.3);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
    position: relative;
}

nav ul li a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
    font-size: 1rem;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
    box-shadow: var(--shadow-glow);
}

nav ul li a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 101;
    transition: var(--transition);
}

.mobile-menu-btn:hover {
    color: var(--accent);
    transform: scale(1.1);
}

/* Header/Hero Section avec vidéo */
header {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1544551763-46a013bb70d5?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80') no-repeat center center/cover;
    opacity: 0.3;
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.hero-badge {
    display: inline-block;
    background: rgba(255,102,0,0.2);
    color: var(--accent);
    padding: 12px 28px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 30px;
    border: 1px solid rgba(255,102,0,0.4);
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.8s ease-out 0.8s both, pulse 2s infinite 2s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 30px;
    line-height: 1.1;
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
    background: linear-gradient(to right, var(--text), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 20px rgba(255,102,0,0.3);
    animation: fadeInUp 0.8s ease-out 1s both;
    position: relative;
}

.hero-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
    box-shadow: var(--shadow-glow);
    animation: expandWidth 1s ease-out 1.5s both;
}

@keyframes expandWidth {
    from { width: 0; }
    to { width: 100px; }
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 50px;
    color: var(--text-light);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease-out 1.2s both;
    line-height: 1.6;
}

.btn-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 1.4s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-accent);
    color: var(--white);
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: var(--shadow);
    font-size: 1rem;
}

.btn::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: var(--transition-slow);
    z-index: -1;
}

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

.btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 30px rgba(0,0,0,0.3), var(--shadow-glow);
}

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

.btn-outline:hover {
    background: var(--accent);
    color: var(--white);
    transform: translateY(-5px) scale(1.05);
}

.btn i {
    margin-left: 10px;
    transition: var(--transition);
}

.btn:hover i {
    transform: translateX(5px) rotate(360deg);
}

.btn-large {
    padding: 22px 50px;
    font-size: 1.2rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-light);
    font-size: 1.5rem;
    animation: bounce 2s infinite, fadeIn 1s ease-out 2s both;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Sections générales améliorées */
section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 70px;
    animation: fadeInUp 0.8s ease-out both;
}

.section-title h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
    box-shadow: var(--shadow-glow);
    animation: expandWidth 0.8s ease-out 0.5s both;
}

.section-title p {
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.2rem;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* About Section avec animations */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text {
    animation: fadeInLeft 0.8s ease-out both;
}

.about-text h3 {
    font-size: 2.2rem;
    color: var(--text);
    margin-bottom: 30px;
    font-weight: 700;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.about-text p {
    margin-bottom: 25px;
    color: var(--text-light);
    font-size: 1.1rem;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 25px 15px;
    background: rgba(255,255,255,0.05);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition);
    animation: fadeInUp 0.8s ease-out both;
}

.stat-item:hover {
    transform: translateY(-10px) scale(1.05);
    background: rgba(255,255,255,0.08);
    box-shadow: var(--shadow);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 10px;
    font-family: 'Orbitron', sans-serif;
    text-shadow: 0 0 10px var(--accent-glow);
}

.stat-text {
    font-size: 1rem;
    color: var(--text-light);
}

.about-visual {
    position: relative;
    height: 450px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: var(--transition-slow);
    animation: fadeInRight 0.8s ease-out 0.6s both;
}

.about-visual:hover {
    transform: perspective(1000px) rotateY(0) rotateX(0) scale(1.02);
}

.about-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.about-visual:hover .about-image {
    transform: scale(1.05);
}

/* Services Section améliorée */
.services {
    background: rgba(0, 13, 26, 0.7);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.service-card {
    background: rgba(255,255,255,0.05);
    border-radius: 20px;
    padding: 40px 25px;
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    position: relative;
    overflow: hidden;
    z-index: 1;
    cursor: pointer;
    text-decoration: none;
    display: block;
    color: inherit;
    animation: fadeInUp 0.8s ease-out both;
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: var(--gradient);
    transition: var(--transition);
    z-index: -1;
}

.service-card:hover::before {
    height: 100%;
}

.service-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.service-card:hover .service-icon {
    transform: scale(1.2) rotate(10deg);
    color: var(--white);
}

.service-card:hover h3, .service-card:hover p {
    color: var(--white);
}

.service-icon {
    font-size: 3.5rem;
    color: var(--accent);
    margin-bottom: 25px;
    transition: var(--transition);
    filter: drop-shadow(0 0 10px var(--accent-glow));
    animation: pulse 3s infinite;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--text);
    transition: var(--transition);
    font-weight: 700;
}

.service-card p {
    color: var(--text-light);
    transition: var(--transition);
    margin-bottom: 20px;
}

.service-cta {
    color: var(--accent);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition);
}

.service-card:hover .service-cta {
    color: var(--white);
    transform: translateX(5px);
}

/* NOUVELLE SECTION VIDÉO AVEC DEUX VIDÉOS ET ANIMATIONS AVANCÉES */
.video-presentation {
    background: linear-gradient(135deg, rgba(0, 13, 26, 0.98) 0%, rgba(0, 51, 102, 0.9) 100%);
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.video-presentation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 102, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 102, 204, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

.video-section {
    margin-bottom: 100px;
    animation: slideInFromBottom 1s ease-out both;
}

.video-section:nth-child(1) { animation-delay: 0.2s; }
.video-section:nth-child(2) { animation-delay: 0.4s; }

.video-header {
    text-align: center;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease-out both;
}

.video-header h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--accent), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: 'Orbitron', sans-serif;
}

.video-header p {
    font-size: 1.3rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.video-container-large {
    position: relative;
    margin-bottom: 50px;
    animation: scaleIn 1s ease-out 0.6s both;
}

.video-wrapper-large {
    position: relative;
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 
        0 25px 50px rgba(0,0,0,0.5),
        0 0 0 1px rgba(255,255,255,0.1),
        inset 0 1px 0 rgba(255,255,255,0.1);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform: perspective(1000px) rotateX(0) rotateY(0) scale(1);
    cursor: pointer;
}

.video-wrapper-large:hover {
    transform: perspective(1000px) rotateX(5deg) rotateY(2deg) scale(1.05);
    box-shadow: 
        0 35px 70px rgba(0,0,0,0.6),
        0 0 30px var(--accent-glow),
        0 0 0 1px rgba(255,255,255,0.2),
        inset 0 1px 0 rgba(255,255,255,0.2);
}

.presentation-video-large {
    width: 100%;
    height: 600px;
    object-fit: cover;
    display: block;
    border-radius: 25px;
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    filter: brightness(0.9) contrast(1.1);
}

.video-wrapper-large:hover .presentation-video-large {
    filter: brightness(1) contrast(1.2);
    transform: scale(1.02);
}

.video-hover-effect {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        45deg,
        transparent 0%,
        rgba(255, 102, 0, 0.1) 50%,
        transparent 100%
    );
    opacity: 0;
    transition: var(--transition-slow);
    border-radius: 25px;
}

.video-wrapper-large:hover .video-hover-effect {
    opacity: 1;
    animation: shimmer 2s ease-in-out;
}

.video-badge {
    position: absolute;
    top: 30px;
    right: 30px;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    padding: 12px 20px;
    border-radius: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
    border: 1px solid rgba(255,255,255,0.2);
    animation: pulse-glow 2s infinite;
}

.video-badge i {
    color: var(--accent);
    animation: bounce 2s infinite;
}

.video-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.video-feature-card {
    background: rgba(255,255,255,0.05);
    border-radius: 20px;
    padding: 35px 25px;
    text-align: center;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    animation: floatAnimation 6s ease-in-out infinite;
}

.video-feature-card:nth-child(1) { animation-delay: 0s; }
.video-feature-card:nth-child(2) { animation-delay: 2s; }
.video-feature-card:nth-child(3) { animation-delay: 4s; }

.video-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: var(--transition-slow);
}

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

.video-feature-card:hover {
    transform: translateY(-15px) scale(1.05);
    background: rgba(255,255,255,0.08);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 0 20px var(--accent-glow);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3), 0 0 15px var(--accent-glow);
    animation: pulse 3s infinite;
}

.video-feature-card h4 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--text);
    font-weight: 700;
}

.video-feature-card p {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.6;
}

/* Séparateur Animé entre les vidéos */
.video-separator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin: 80px 0;
    animation: fadeInUp 1s ease-out 0.8s both;
}

.separator-line {
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    position: relative;
}

.separator-line::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transform: translateY(-50%);
}

.separator-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    box-shadow: 0 10px 25px rgba(0,0,0,0.3), 0 0 20px var(--accent-glow);
    animation: rotate 4s linear infinite, pulse 2s infinite;
    position: relative;
}

.separator-icon::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: conic-gradient(from 0deg, var(--accent), var(--secondary), var(--accent));
    border-radius: 50%;
    z-index: -1;
    animation: rotate 3s linear infinite;
}

/* CTA Final Vidéo */
.video-cta-final {
    background: linear-gradient(135deg, rgba(255,102,0,0.1) 0%, rgba(0,102,204,0.1) 100%);
    border-radius: 30px;
    padding: 70px 50px;
    text-align: center;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.15);
    position: relative;
    overflow: hidden;
    animation: zoomIn 1s ease-out 1s both;
}

.video-cta-final::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 30%, rgba(255,102,0,0.2) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(0,102,204,0.2) 0%, transparent 50%);
    animation: float 15s ease-in-out infinite;
}

.cta-content h3 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--accent), var(--text));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: 'Orbitron', sans-serif;
    font-weight: 800;
}

.cta-content p {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.cta-stat {
    text-align: center;
    animation: floatAnimation 4s ease-in-out infinite;
}

.cta-stat:nth-child(1) { animation-delay: 0s; }
.cta-stat:nth-child(2) { animation-delay: 1.3s; }
.cta-stat:nth-child(3) { animation-delay: 2.6s; }

.cta-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent);
    font-family: 'Orbitron', sans-serif;
    text-shadow: 0 0 20px var(--accent-glow);
    margin-bottom: 10px;
}

.cta-label {
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: 600;
}

/* Statuts Section améliorée */
.statuts-content {
    background: rgba(255,255,255,0.05);
    border-radius: 20px;
    padding: 50px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: var(--shadow);
    animation: zoomIn 0.8s ease-out both;
}

.statut-item {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    animation: fadeInUp 0.8s ease-out both;
}

.statut-item:nth-child(1) { animation-delay: 0.1s; }
.statut-item:nth-child(2) { animation-delay: 0.2s; }
.statut-item:nth-child(3) { animation-delay: 0.3s; }
.statut-item:nth-child(4) { animation-delay: 0.4s; }

.statut-item:last-child {
    border-bottom: none;
}

.statut-item h3 {
    font-size: 1.6rem;
    color: var(--text);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    font-weight: 700;
}

.statut-item h3 i {
    margin-right: 15px;
    color: var(--accent);
    font-size: 1.5rem;
    filter: drop-shadow(0 0 5px var(--accent-glow));
    animation: pulse 2s infinite;
}

.statut-item ul {
    list-style: none;
}

.statut-item li {
    margin-bottom: 15px;
    color: var(--text-light);
    position: relative;
    padding-left: 30px;
    font-size: 1.1rem;
    animation: fadeInLeft 0.6s ease-out both;
}

.statut-item li:nth-child(1) { animation-delay: 0.2s; }
.statut-item li:nth-child(2) { animation-delay: 0.3s; }
.statut-item li:nth-child(3) { animation-delay: 0.4s; }
.statut-item li:nth-child(4) { animation-delay: 0.5s; }

.statut-item li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
    font-size: 1.2rem;
    text-shadow: 0 0 5px var(--accent-glow);
}

/* Contact Section améliorée */
.contact {
    background: rgba(0, 13, 26, 0.9);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    animation: fadeInLeft 0.8s ease-out both;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--text);
    font-weight: 700;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.contact-details {
    margin-top: 30px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.contact-details p {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    font-size: 1.1rem;
    animation: fadeInLeft 0.6s ease-out both;
}

.contact-details p:nth-child(1) { animation-delay: 0.2s; }
.contact-details p:nth-child(2) { animation-delay: 0.3s; }
.contact-details p:nth-child(3) { animation-delay: 0.4s; }
.contact-details p:nth-child(4) { animation-delay: 0.5s; }
.contact-details p:nth-child(5) { animation-delay: 0.6s; }
.contact-details p:nth-child(6) { animation-delay: 0.7s; }

.contact-details i {
    margin-right: 15px;
    width: 20px;
    color: var(--accent);
    font-size: 1.2rem;
    filter: drop-shadow(0 0 5px var(--accent-glow));
}

.social-links {
    display: flex;
    margin-top: 30px;
    flex-wrap: wrap;
    gap: 10px;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.1);
    text-decoration: none;
    color: var(--text);
    animation: zoomIn 0.6s ease-out both;
}

.social-links a:nth-child(1) { animation-delay: 0.7s; }
.social-links a:nth-child(2) { animation-delay: 0.8s; }
.social-links a:nth-child(3) { animation-delay: 0.9s; }
.social-links a:nth-child(4) { animation-delay: 1.0s; }
.social-links a:nth-child(5) { animation-delay: 1.1s; }

.social-links a:hover {
    background: var(--accent);
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-glow);
}

.contact-form {
    background: rgba(255,255,255,0.05);
    border-radius: 20px;
    padding: 35px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    animation: fadeInRight 0.8s ease-out 0.4s both;
}

.form-group {
    margin-bottom: 20px;
    animation: fadeInUp 0.6s ease-out both;
}

.form-group:nth-child(1) { animation-delay: 0.5s; }
.form-group:nth-child(2) { animation-delay: 0.6s; }
.form-group:nth-child(3) { animation-delay: 0.7s; }
.form-group:nth-child(4) { animation-delay: 0.8s; }

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 16px 18px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    color: var(--text);
    font-family: 'Montserrat', sans-serif;
    transition: var(--transition);
    font-size: 1rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-glow);
    transform: scale(1.02);
}

.contact-form textarea {
    min-height: 140px;
    resize: vertical;
}

.contact-form button {
    width: 100%;
    background: var(--gradient-accent);
    color: var(--white);
    border: none;
    padding: 16px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 700;
    transition: var(--transition);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeInUp 0.8s ease-out 0.9s both;
}

.contact-form button i {
    margin-left: 10px;
    transition: var(--transition);
}

.contact-form button:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2), var(--shadow-glow);
}

.contact-form button:hover i {
    transform: translateX(5px) rotate(360deg);
}

/* Footer amélioré */
footer {
    background: var(--dark);
    padding: 70px 0 25px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column {
    animation: fadeInUp 0.8s ease-out both;
}

.footer-column:nth-child(1) { animation-delay: 0.1s; }
.footer-column:nth-child(2) { animation-delay: 0.2s; }
.footer-column:nth-child(3) { animation-delay: 0.3s; }

.footer-column h3 {
    font-size: 1.4rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
    color: var(--text);
    font-weight: 700;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
    box-shadow: var(--shadow-glow);
}

.footer-column p, .footer-column a {
    color: var(--text-light);
    margin-bottom: 15px;
    display: block;
    text-decoration: none;
    transition: var(--transition);
    font-size: 1rem;
}

.footer-column a:hover {
    color: var(--accent);
    padding-left: 5px;
    transform: translateX(5px);
}

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.1);
    animation: zoomIn 0.6s ease-out both;
}

.footer-social a:nth-child(1) { animation-delay: 0.4s; }
.footer-social a:nth-child(2) { animation-delay: 0.5s; }
.footer-social a:nth-child(3) { animation-delay: 0.6s; }
.footer-social a:nth-child(4) { animation-delay: 0.7s; }

.footer-social a:hover {
    background: var(--accent);
    transform: translateY(-3px) scale(1.1);
}

.copyright {
    text-align: center;
    padding-top: 25px;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-light);
    font-size: 0.9rem;
    animation: fadeIn 1s ease-out 0.8s both;
}

/* Effets de particules pour le background */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.particle {
    position: absolute;
    background: var(--accent-glow);
    border-radius: 50%;
    animation: floatParticle 20s infinite linear;
}

@keyframes floatParticle {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* Responsive Design amélioré */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .about-content, .contact-content {
        gap: 50px;
    }
    
    .presentation-video-large {
        height: 500px;
    }
}

@media (max-width: 992px) {
    .nav-container {
        padding: 15px 0;
    }
    
    nav ul {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0, 13, 26, 0.95);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        z-index: 99;
    }
    
    nav ul.active {
        display: flex;
    }
    
    nav ul li {
        margin: 15px 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .about-content, .contact-content {
        grid-template-columns: 1fr;
    }
    
    .about-visual {
        height: 400px;
        order: -1;
    }
    
    .section-title h2 {
        font-size: 2.5rem;
    }
    
    .presentation-video-large {
        height: 400px;
    }
    
    .video-features-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-stats {
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .btn-container {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
    
    .statuts-content, .contact-form {
        padding: 30px 20px;
    }
    
    section {
        padding: 80px 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .video-presentation {
        padding: 80px 0;
    }
    
    .presentation-video-large {
        height: 300px;
    }
    
    .video-header h3 {
        font-size: 2rem;
    }
    
    .video-cta-final {
        padding: 50px 30px;
    }
    
    .cta-content h3 {
        font-size: 2.2rem;
    }
    
    .cta-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .video-separator {
        margin: 50px 0;
    }
    
    .separator-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .about-visual {
        height: 300px;
    }
    
    .lang-switcher {
        top: 15px;
        right: 15px;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .presentation-video-large {
        height: 250px;
    }
    
    .video-badge {
        top: 15px;
        right: 15px;
        padding: 8px 15px;
        font-size: 0.8rem;
    }
    
    .video-feature-card {
        padding: 25px 20px;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

@media (max-width: 400px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-badge {
        font-size: 0.9rem;
        padding: 8px 20px;
    }
    
    .btn {
        padding: 15px 30px;
    }
    
    .presentation-video-large {
        height: 200px;
    }
    
    .video-cta-final {
        padding: 40px 20px;
    }
    
    .cta-content h3 {
        font-size: 1.8rem;
    }
}
/* Styles pour l'intégration Vimeo avec autoplay */
.vimeo-video-container {
    position: relative;
    width: 100%;
    border-radius: 25px;
    overflow: hidden;
    background: #000;
}

.vimeo-video-container > div {
    border-radius: 25px;
    overflow: hidden;
}

.vimeo-video-container iframe {
    border-radius: 25px;
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.video-wrapper-large:hover .vimeo-video-container iframe {
    transform: scale(1.02);
}

/* Badge Autoplay */
.video-badge {
    position: absolute;
    top: 30px;
    right: 30px;
    background: rgba(255, 102, 0, 0.9);
    backdrop-filter: blur(10px);
    padding: 12px 20px;
    border-radius: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
    border: 1px solid rgba(255,255,255,0.2);
    animation: pulse-glow 2s infinite;
    z-index: 10;
}

.video-badge i {
    color: var(--white);
    animation: bounce 2s infinite;
}

/* Overlay pour l'effet hover */
.video-hover-effect {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        45deg,
        transparent 0%,
        rgba(255, 102, 0, 0.1) 50%,
        transparent 100%
    );
    opacity: 0;
    transition: var(--transition-slow);
    border-radius: 25px;
    pointer-events: none;
    z-index: 5;
}

.video-wrapper-large:hover .video-hover-effect {
    opacity: 1;
    animation: shimmer 2s ease-in-out;
}

/* Responsive pour les vidéos Vimeo */
@media (max-width: 768px) {
    .video-badge {
        top: 15px;
        right: 15px;
        padding: 8px 15px;
        font-size: 0.8rem;
    }
}

@media (max-width: 400px) {
    .video-badge {
        top: 10px;
        right: 10px;
        padding: 6px 12px;
        font-size: 0.7rem;
    }
}