:root {
    --primary-color: #9c5096;
    --accent-color: #00f5ca;
    --dark-bg: #111111;
    --light-bg: #ffffff;
    --card-bg: #1a1a1a;
    --text-light: #f5f5f5;
    --text-dark: #333333;
    --text-muted: #a0a0a0;
    --header-bg: rgba(17, 17, 17, 0.85);
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    --border-radius: 12px;
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    --neon-glow: var(--accent-color);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-body);
    background-color: var(--dark-bg);
    color: var(--text-light);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.7;
    display: flex;
    flex-direction: column;
}
main {
    flex-grow: 1;
    position: relative;
    z-index: 1;
}
.container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 2rem;
    padding-right: 2rem;
    width: 100%;
}
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
}

/* Nouvel éclairage d'arrière-plan Firefly */
.background-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.firefly {
    position: absolute;
    border-radius: 50%;
    animation: move-firefly 20s infinite alternate ease-in-out;
}

/* Grosses lueurs fixes */
.firefly.large.fixed {
    filter: blur(200px);
    opacity: 0.3;
    animation: none;
}

#glow1 {
    width: 700px;
    height: 700px;
    top: -25%;
    left: -15%;
    background-color: var(--primary-color);
}

#glow2 {
    width: 600px;
    height: 600px;
    bottom: -30%;
    right: -20%;
    background-color: var(--accent-color);
}

/* Animation pour les petites lueurs */
@keyframes move-firefly {
    0% {
        transform: translate(0, 0);
        opacity: 0.4;
    }
    50% {
        opacity: 0.8;
    }
    100% {
        transform: translate(var(--x-end, 50px), var(--y-end, 50px));
        opacity: 0;
    }
}

/* Propriétés uniques pour chaque petite lueur */
.firefly:nth-of-type(3) { width: 5px; height: 5px; background: var(--accent-color); top: 10%; left: 20%; animation-duration: 15s; animation-delay: -2s; --x-end: 100px; --y-end: -200px; }
.firefly:nth-of-type(4) { width: 8px; height: 8px; background: var(--primary-color); top: 80%; left: 90%; animation-duration: 22s; animation-delay: -5s; --x-end: -300px; --y-end: 150px; }
.firefly:nth-of-type(5) { width: 3px; height: 3px; background: var(--accent-color); top: 50%; left: 50%; animation-duration: 18s; animation-delay: -1s; --x-end: 250px; --y-end: 250px; }
.firefly:nth-of-type(6) { width: 6px; height: 6px; background: var(--primary-color); top: 90%; left: 10%; animation-duration: 25s; animation-delay: -8s; --x-end: 400px; --y-end: -100px; }
.firefly:nth-of-type(7) { width: 4px; height: 4px; background: var(--accent-color); top: 5%; left: 85%; animation-duration: 12s; animation-delay: -10s; --x-end: -150px; --y-end: 200px; }
.firefly:nth-of-type(8) { width: 7px; height: 7px; background: var(--primary-color); top: 25%; left: 70%; animation-duration: 28s; animation-delay: -3s; --x-end: -200px; --y-end: -300px; }
.firefly:nth-of-type(9) { width: 3px; height: 3px; background: var(--accent-color); top: 60%; left: 30%; animation-duration: 16s; animation-delay: -12s; --x-end: 100px; --y-end: 200px; }
.firefly:nth-of-type(10) { width: 9px; height: 9px; background: var(--primary-color); top: 40%; left: 80%; animation-duration: 30s; animation-delay: -7s; --x-end: -350px; --y-end: 100px; }
.firefly:nth-of-type(11) { width: 5px; height: 5px; background: var(--accent-color); top: 75%; left: 5%; animation-duration: 14s; animation-delay: -4s; --x-end: 200px; --y-end: -150px; }
.firefly:nth-of-type(12) { width: 6px; height: 6px; background: var(--primary-color); top: 15%; left: 45%; animation-duration: 20s; animation-delay: -9s; --x-end: -100px; --y-end: 300px; }
.firefly:nth-of-type(13) { width: 4px; height: 4px; background: var(--accent-color); top: 85%; left: 60%; animation-duration: 23s; animation-delay: -6s; --x-end: 250px; --y-end: -250px; }
.firefly:nth-of-type(14) { width: 8px; height: 8px; background: var(--primary-color); top: 30%; left: 5%; animation-duration: 17s; animation-delay: -11s; --x-end: 150px; --y-end: -200px; }

/* Loader */
.loader {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: var(--dark-bg); z-index: 10000;
    display: flex; justify-content: center; align-items: center;
    transition: opacity 0.5s ease;
}
.loader::after {
    content: ''; width: 30px; height: 30px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
.loader-hidden { opacity: 0; pointer-events: none; }

/* Header */
header {
    background: var(--header-bg);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    transition: background-color 0.3s ease;
}
.logo-container {
    display: flex;
    align-items: center;
    justify-content: center; /* Centre le logo FEI-AIX */
    gap: 1rem;
}
.fei-logo {
    max-width: 5rem;
    height: auto;
    transition: transform 0.3s ease;
}
.fei-logo:hover {
    transform: scale(1.05);
}

/* Nouveau logo textuel FEI-AIX */
.fei-logo-text {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: transform 0.3s ease;
}
.fei-logo-text:hover {
    transform: scale(1.05);
}
.fei-logo-text .fei {
    color: white;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}
.fei-logo-text .separator {
    color: var(--accent-color);
    text-shadow: 0 0 15px rgba(0, 245, 202, 0.7);
    margin: 0 2px;
}
.fei-logo-text .aix {
    color: white;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}
.logo-subtitle {
    font-size: 1rem;
    color: var(--text-light);
    margin-top: 0.3rem;
    text-align: center;
    font-family: var(--font-body);
    font-weight: 400;
    letter-spacing: 0.5px;
    width: 100%;
    display: none; /* Désactivé pour le mode entreprises */
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}
.logo-container:hover .logo-subtitle {
    opacity: 1;
    transform: translateY(0);
}
.logo-container a {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: inherit;
}
.logo-text {
    display: flex;
    flex-direction: column;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-light);
    line-height: 1.2;
}
.desktop-nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}
.desktop-nav ul li a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0;
    position: relative;
    transition: color 0.3s ease;
}
.desktop-nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}
.desktop-nav ul li a:hover,
.desktop-nav ul li a.active {
    color: var(--accent-color);
}
.desktop-nav ul li a:hover::after,
.desktop-nav ul li a.active::after {
    width: 100%;
}
/* Mobile Navigation */
.menu-toggle { display: none; }
.mobile-nav { display: none; }
.menu-icon {
    display: none;
    cursor: pointer;
    z-index: 1001;
    position: relative;
    width: 28px;
    height: 22px;
}
.menu-icon span {
    background: var(--text-light);
    display: block;
    position: absolute;
    height: 3px;
    width: 100%;
    border-radius: 3px;
    opacity: 1;
    left: 0;
    transform: rotate(0deg);
    transition: .25s ease-in-out;
}
.menu-icon span:nth-child(1) { top: 0px; }
.menu-icon span:nth-child(2) { top: 9px; }
.menu-icon span:nth-child(3) { top: 18px; }
.overlay { display: none; }

/* Bouton de menu mobile flottant */
.mobile-menu-icon {
    display: none; 
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1001;
    cursor: pointer;
    width: 50px;
    height: 50px;
    background: rgba(17, 17, 17, 0.8);
    border-radius: 50%;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}
.mobile-menu-icon span {
    width: 24px;
    height: 2px;
    background: var(--text-light);
    position: absolute;
    transition: all 0.3s ease;
}
.mobile-menu-icon span:nth-child(1) {
    top: 15px;
    left: 13px;
    width: 24px;
}
.mobile-menu-icon span:nth-child(2) {
    top: 22px;
    left: 13px;
    width: 24px;
}
.mobile-menu-icon span:nth-child(3) {
    top: 29px;
    left: 13px;
    width: 24px;
}
.desktop-nav ul li a:hover,
.desktop-nav ul li a.active {
    color: var(--accent-color);
}
.desktop-nav ul li a:hover::after,
.desktop-nav ul li a.active::after {
    width: 100%;
}
/* Mobile Navigation */
.menu-toggle { display: none; }
.mobile-nav { display: none; }
.overlay { display: none; }
.menu-icon {
    display: none;
    cursor: pointer;
    z-index: 1001;
    position: relative;
    width: 28px;
    height: 22px;
}
.menu-icon span {
    background: var(--text-light);
    display: block;
    position: absolute;
    height: 3px;
    width: 100%;
    border-radius: 3px;
    opacity: 1;
    left: 0;
    transform: rotate(0deg);
    transition: .25s ease-in-out;
}
.menu-icon span:nth-child(1) { top: 0px; }
.menu-icon span:nth-child(2) { top: 9px; }
.menu-icon span:nth-child(3) { top: 18px; }
.overlay { display: none; }

/* Bouton de menu mobile flottant */
.mobile-menu-icon {
    display: none; 
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1001;
    cursor: pointer;
    width: 50px;
    height: 50px;
    background: rgba(17, 17, 17, 0.8);
    border-radius: 50%;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}
.mobile-menu-icon span {
    width: 24px;
    height: 2px;
    background: var(--text-light);
    position: absolute;
    transition: all 0.3s ease;
}
.mobile-menu-icon span:nth-child(1) {
    top: 15px;
    left: 13px;
    width: 24px;
}
.mobile-menu-icon span:nth-child(2) {
    top: 22px;
    left: 13px;
    width: 24px;
}
.mobile-menu-icon span:nth-child(3) {
    top: 29px;
    left: 13px;
    width: 24px;
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: 10rem 2rem 6rem 2rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: transparent;
    color: var(--text-light);
    position: relative;
}
.hero-section h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--light-bg);
}
.hero-section p {
    font-size: clamp(1rem, 3vw, 1.25rem);
    max-width: 700px;
    margin: 0 auto 1rem auto;
    color: var(--text-muted);
}
.hero-section .subtitle {
    font-weight: 500;
    color: var(--text-light);
}

/* Partners Section */
.partners-section {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-light);
    padding: 4rem 2rem;
    margin: 0 2rem;
    position: relative;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.7) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 0 2rem;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 700;
    color: var(--light-text);
    text-shadow: 0 0 20px var(--neon-glow);
    margin-bottom: 1.5rem;
}

.glitch::before, .glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    color: var(--light-text);
}

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 var(--accent-color);
    animation: glitch-anim-1 2s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -2px 0 var(--secondary-color);
    animation: glitch-anim-2 3s infinite linear alternate-reverse;
}

@keyframes glitch-anim-1 {
    0% { clip: rect(78px, 9999px, 80px, 0); }
    10% { clip: rect(44px, 9999px, 56px, 0); }
    20% { clip: rect(70px, 9999px, 84px, 0); }
    30% { clip: rect(10px, 9999px, 20px, 0); }
    40% { clip: rect(60px, 9999px, 70px, 0); }
    50% { clip: rect(20px,9999px, 30px, 0); }
    60% { clip: rect(90px, 9999px, 92px, 0); }
    70% { clip: rect(5px, 9999px, 15px, 0); }
    80% { clip: rect(30px, 9999px, 40px, 0); }
    90% { clip: rect(65px, 9999px, 75px, 0); }
    100% { clip: rect(78px, 9999px, 80px, 0); }
}

@keyframes glitch-anim-2 {
    0% { clip: rect(20px, 9999px, 30px, 0); }
    15% { clip: rect(85px, 9999px, 100px, 0); }
    30% { clip: rect(5px, 9999px, 15px, 0); }
    45% { clip: rect(70px, 9999px, 80px, 0); }
    60% { clip: rect(10px, 9999px, 25px, 0); }
    75% { clip: rect(90px, 9999px, 100px, 0); }
    90% { clip: rect(40px, 9999px, 50px, 0); }
    100% { clip: rect(20px, 9999px, 30px, 0); }
}

.hero-content .subtitle {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto;
}

.hero-content .subtitle span {
    color: var(--accent-color);
    font-weight: 700;
    text-shadow: 0 0 10px var(--neon-glow);
}

/* Partners Section */
.partners-section {
    background: var(--primary-color);
    padding: 4rem 0;
    position: relative;
    z-index: 2;
    transform: translateY(-50px);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.partners-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.partners-content h2 {
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.carousel {
    overflow: hidden;
    width: 100%;
    position: relative;
}

.carousel::before, .carousel::after {
    content: '';
    position: absolute;
    top: 0;
    width: 150px;
    height: 100%;
    z-index: 1;
}

.carousel::before {
    left: 0;
    background: linear-gradient(to right, var(--primary-color) 0%, transparent 100%);
}

.carousel::after {
    right: 0;
    background: linear-gradient(to left, var(--primary-color) 0%, transparent 100%);
}

.carousel-track {
    display: flex;
    animation: scroll 40s linear infinite;
}

.carousel-logo {
    height: 60px;
    margin: 0 30px;
    filter: brightness(1.5) opacity(0.8);
    transition: all 0.3s ease;
}

.carousel-logo:hover {
    filter: brightness(1) opacity(1);
    transform: scale(1.1);
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.partners-content .cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--accent-color);
    color: var(--light-text);
    text-decoration: none;
    font-weight: 700;
    border-radius: 50px;
    margin-top: 2rem;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px var(--neon-glow);
}

.partners-content .cta-button:hover {
    background: var(--secondary-color);
    transform: translateY(-5px);
    box-shadow: 0 0 25px var(--neon-glow);
}

/* Reductions Section */
.reductions-section {
    position: relative;
    padding: 6rem 0;
    background: transparent;
    overflow: hidden;
}

.section-overlay {
    display: none;
}

.reductions-section h2 {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--text-light);
    position: relative;
    z-index: 1;
}

.reductions-section .highlight {
    font-size: 1.8rem;
    text-align: center;
    color: var(--text-light);
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.reductions-section .highlight span {
    color: var(--accent-color);
    font-weight: 700;
    text-shadow: 0 0 10px var(--neon-glow);
}

.reductions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    padding: 0 1.5rem;
}

.reduction-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(156, 80, 150, 0.3);
    position: relative;
    overflow: hidden;
}

.reduction-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5), 0 0 25px var(--neon-glow);
    background-color: var(--card-hover-bg);
}

.reduction-card h4 {
    font-size: 1.1rem;
    color: var(--light-text);
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.reduction-card .value {
    font-size: 2rem;
    color: var(--accent-color);
    font-weight: 700;
    margin-bottom: 0.8rem;
    text-shadow: 0 0 10px var(--neon-glow);
}

.reduction-card .description {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.reductions-section .note {
    text-align: center;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 1.5rem;
    position: relative;
    z-index: 1;
}

.reductions-section .asterisk-note {
    margin-top: 3rem;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Pricing Section */
.pricing-section {
    padding: 6rem 0;
    background: transparent;
    position: relative;
}

.pricing-header {
    text-align: center;
    margin-bottom: 4rem;
}

.pricing-header h2 {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.pricing-header p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

.pricing-content {
    display: flex;
    max-width: 1200px;
    margin: 0 auto;
    gap: 2rem;
    align-items: flex-start;
    padding: 0 1.5rem;
}

.pricing-tiers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    flex: 2;
}

.tier {
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: transform 0.5s ease;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.tier:hover {
    transform: scale(1.03);
    box-shadow: 0 0 25px rgba(0, 245, 202, 0.3);
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-color);
}

.tier h3 {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 0.4rem;
}

.tier p.price-value {
    font-size: 1.5rem;
    color: var(--accent-color);
    font-weight: 700;
    margin-top: 0.4rem;
}

.pricing-illustration {
    flex: 1;
    max-width: 300px;
    position: sticky;
    top: 100px;
    align-self: center;
    display: flex;
    align-items: stretch;
}

.pricing-illustration img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: none;
    transition: transform 0.3s ease;
}

.pricing-illustration img:hover {
    transform: scale(1.02);
}

/* Services Section */
.services-section {
    padding: 6rem 0;
    background: transparent;
    text-align: center;
}

.services-section h2 {
    font-size: 3rem;
    color: var(--light-text);
    text-shadow: 0 0 15px var(--neon-glow);
    margin-bottom: 3rem;
}

.services-list {
    list-style: none;
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    gap: 1.5rem;
    padding: 0 1.5rem;
}

.services-list li {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: transform 0.5s ease, box-shadow 0.3s ease, background-color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.services-list li .icon {
    font-size: 1.5rem;
    color: var(--accent-color);
    line-height: 1;
}

.services-list li:hover {
    transform: translateX(15px);
    box-shadow: var(--shadow);
    background-color: var(--card-hover-bg);
}

/* Packs & Options Section */
.packs-options-section {
    padding: 6rem 0;
    background: transparent;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.packs-options-section h2 {
    font-size: 3rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.packs-options-section .section-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto 4rem auto;
    padding: 0 1.5rem;
}

.packs-grid {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    flex-wrap: wrap;
}

.option-pack-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    min-width: 150px;
    max-width: 180px;
    flex: 0 1 auto;
}

.option-pack-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-color);
    box-shadow: var(--shadow);
}

.option-pack-card .card-icon {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--accent-color);
    transition: transform 0.3s ease;
}

.option-pack-card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
}

.option-pack-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--light-text);
}

.option-pack-card .card-description {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.8);
    flex-grow: 1;
    margin-bottom: 0.8rem;
}

.option-pack-card .price-tag {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-top: auto;
    padding-top: 0.5rem;
    border-top: 1px solid var(--accent-color);
    width: 100%;
}

.option-pack-card .price-tag .price-unit {
    font-size: 0.8rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.8);
}

.option-pack-card .card-note {
    font-size: 0.85rem;
    color: var(--secondary-color);
    margin-top: 0.5rem;
}

/* Conferences Section */
.conferences-section {
    padding: 6rem 0;
    background: transparent;
}

.conferences-section h2 {
    font-size: 3rem;
    text-align: center;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.conferences-section .section-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto 4rem auto;
    padding: 0 1.5rem;
    text-align: center;
}

.conference-content-wrapper {
    display: flex;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    align-items: stretch; /* MODIFICATION: Aligns items to have same height */
    padding: 0 1.5rem;
}

.conference-image {
    flex: 1;
    max-width: 500px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.conference-image img {
    width: 100%;
    height: 100%; /* MODIFICATION: Fills container height */
    object-fit: cover; /* MODIFICATION: Prevents image distortion */
    display: block;
    border-radius: var(--border-radius);
    transition: transform 0.5s ease;
}

.conference-image:hover img {
    transform: scale(1.05);
}

.conference-details {
    flex: 1.2;
    display: flex;
    flex-direction: column;
}

.conference-details h3 {
    font-size: 2.2rem;
    color: var(--light-text);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.conference-details h3 .icon {
    font-size: 2.5rem;
    color: var(--accent-color);
}

.conference-details > p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

.conference-benefits {
    list-style: none;
    margin-bottom: 2rem;
    padding-left: 0;
}

.conference-benefits li {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
    color: rgba(255, 255, 255, 0.9);
}

.conference-benefits li::before {
    content: '✔';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 700;
}

.conference-benefits li span {
    font-weight: 700;
    color: var(--light-text);
}

.conference-pricing {
    margin-top: auto; /* Pushes pricing to the bottom */
}

.conference-pricing h4 {
    font-size: 1.5rem;
    color: var(--light-text);
    margin-bottom: 1rem;
}

.conference-pricing .option-tiers {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}
.conference-pricing .option-tiers .tier {
    flex: 1;
}

.conference-note {
    background: rgba(156, 80, 150, 0.1);
    border-left: 4px solid var(--primary-color);
    padding: 1rem 1.5rem;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    font-size: 1rem;
    color: var(--text-light);
}

/* CTA Section */
.cta-section {
    position: relative;
    padding: 6rem 0;
    text-align: center;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.8) 100%);
    z-index: 0;
}

.cta-section h2 {
    font-size: 3rem;
    color: var(--light-text);
    text-shadow: 0 0 15px var(--neon-glow);
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.cta-section p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto 2rem;
    position: relative;
    z-index: 1;
}

.cta-section .cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--accent-color);
    color: var(--light-text);
    text-decoration: none;
    font-weight: 700;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px var(--neon-glow);
    position: relative;
    z-index: 1;
}

.cta-section .cta-button:hover {
    background: var(--light-text);
    color: var(--accent-color);
    transform: scale(1.05);
    box-shadow: 0 0 25px var(--neon-glow);
}

/* Footer */
footer {
    background: #000;
    padding: 2.5rem 1.5rem;
    text-align: center;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    position: relative;
    z-index: 2;
}
footer p { margin-bottom: 1rem; }
footer ul { list-style: none; display: flex; justify-content: center; gap: 1.5rem; }
footer a { color: var(--text-muted); text-decoration: none; transition: all 0.3s ease; }
footer a:hover { color: var(--accent-color); }

/* Scroll-to-Top Button */
#scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--accent-color);
    color: var(--light-text);
    border: none;
    border-radius: 50%;
    width: 3.5rem;
    height: 3.5rem;
    font-size: 1.8rem;
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px var(--neon-glow);
    display: none;
}

#scroll-top:hover {
    background: var(--secondary-color);
    transform: scale(1.1);
}

/* Desktop Styles */
@media (min-width: 769px) {
    .menu-icon {
        display: none !important;
    }
}

/* Mobile Styles */
@media (max-width: 768px) {
    main {
        padding: 0;
    }

    header {
        align-items: center;
        padding: 1rem;
        justify-content: center;
        flex-direction: column;
    }

    .logo-container {
        align-items: center;
        justify-content: center;
        margin-right: 0;
    }

    .fei-logo {
        max-width: 6rem;
        margin-right: 0;
    }

    .logo-text {
        display: none;
    }

    .desktop-nav {
        display: none;
    }

    .menu-icon {
        display: none;
    }
    
    .mobile-menu-icon {
        display: flex; 
    }
    .mobile-nav {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: var(--dark-bg);
        z-index: 999;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    }
    .mobile-nav ul { list-style: none; text-align: center; }
    .mobile-nav ul li { margin: 1.5rem 0; }
    .mobile-nav ul li a { color: var(--text-light); text-decoration: none; font-size: 1.5rem; font-family: var(--font-heading); }
    
    /* MODIFICATION : Correction des sélecteurs pour l'animation du menu */
    .menu-toggle:checked ~ .mobile-nav { transform: translateX(0); }
    .menu-toggle:checked ~ .mobile-menu-icon span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .menu-toggle:checked ~ .mobile-menu-icon span:nth-child(2) { opacity: 0; }
    .menu-toggle:checked ~ .mobile-menu-icon span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    .hero-section {
        padding: 0;
    }

    .hero-content {
        padding: 0 1.5rem;
    }

    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }

    .hero-content .subtitle {
        font-size: 1rem;
        max-width: 90%;
        line-height: 1.4;
    }

    .partners-section {
        padding: 3rem 0;
        margin: 0;
    }

    .partners-content h2 {
        font-size: 1.8rem;
    }

    .carousel-logo {
        height: 30px;
        margin: 0 10px;
    }

    .partners-content .cta-button {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .section-subtitle {
        font-size: 1rem !important;
    }

    .reductions-section, .packs-options-section, .conferences-section, .services-section, .pricing-section {
        padding: 4rem 0;
    }
    
    .reductions-section h2, .packs-options-section h2, .conferences-section h2, .services-section h2, .pricing-section h2 {
        font-size: 1.8rem;
        padding: 0 1.5rem;
    }

    .reductions-section .highlight {
        font-size: 1.2rem;
        padding: 0 1.5rem;
    }

    .reductions-section .highlight span {
        font-size: 1.5rem;
    }

    .reductions-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        padding: 0 1rem;
    }

    .reduction-card {
        padding: 1rem;
        min-height: 120px;
    }

    .reduction-card h4 {
        font-size: 0.9rem;
    }

    .reduction-card .value {
        font-size: 1.5rem;
    }

    .reduction-card .description {
        font-size: 0.8rem;
    }

    .reductions-section .note {
        font-size: 0.9rem;
        padding: 0 1.5rem;
    }

    .reductions-section .asterisk-note {
        margin-top: 2rem;
        font-size: 0.8rem;
    }
    
    .pricing-header p {
        font-size: 1rem;
    }

    .pricing-content {
        flex-direction: column;
        padding: 0 1.5rem;
    }

    .pricing-tiers {
        grid-template-columns: repeat(2, 1fr);
    }

    .tier {
        padding: 0.8rem;
    }

    .tier h3 {
        font-size: 0.9rem;
    }

    .tier p.price-value {
        font-size: 1.3rem;
    }

    .pricing-illustration {
        display: none;
    }

    .services-list {
        gap: 1rem;
        padding: 0 1.5rem;
    }

    .services-list li {
        font-size: 1rem;
    }
    
    /* MODIFICATION: 2 cards per line on mobile */
    .packs-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    /* MODIFICATION: Smaller option cards on mobile */
    .option-pack-card {
        padding: 1rem;
    }
    .option-pack-card .card-icon {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }
    .option-pack-card h3 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }
    .option-pack-card .card-description {
        font-size: 0.8rem;
        line-height: 1.3;
        margin-bottom: 1rem;
    }
    .option-pack-card .price-tag {
        font-size: 1.2rem;
        padding-top: 0.5rem;
    }
    .option-pack-card .price-tag .price-unit {
        font-size: 0.8rem;
    }
    .option-pack-card .card-note {
        font-size: 0.75rem;
    }

    .conference-content-wrapper {
        flex-direction: column;
        align-items: center; /* Center items in column layout */
    }

    .conference-image img {
        height: auto; /* MODIFICATION: Reset height for mobile */
    }

    .conference-details h3 {
        font-size: 1.8rem;
    }
    .conference-details > p, .conference-benefits li, .conference-note {
        font-size: 1rem;
    }
    .conference-pricing .option-tiers {
        flex-direction: column;
    }

    .cta-section {
        padding: 4rem 0;
        margin: 0;
    }

    .cta-section h2 {
        font-size: 1.8rem;
    }

    .cta-section p {
        font-size: 1rem;
        max-width: 90%;
    }

    .cta-section .cta-button {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    #scroll-top {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1.2rem;
        bottom: 5rem;
        right: 1.5rem;
    }
}

/* ================================
   STYLES DE BASE POUR LE NOUVEAU DESIGN  
   ================================ */

/* Sections générales */
section {
    padding: 4rem 2rem;
    position: relative;
}

/* Partners section nouvelle version */
.partners-section {
    padding: 6rem 2rem;
    text-align: center;
    background-color: var(--card-bg);
    color: var(--text-light);
    margin: 2rem 0;
}

.partners-content h2 {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    margin-bottom: 2rem;
    font-weight: 600;
    color: var(--accent-color);
    font-family: var(--font-heading);
}

.carousel {
    overflow: hidden;
    width: 100%;
    position: relative;
    padding: 1rem 0;
}

.carousel::before, 
.carousel::after {
    content: '';
    position: absolute;
    top: 0;
    width: 100px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.carousel::before {
    left: 0;
    background: linear-gradient(to right, var(--card-bg), transparent);
}

.carousel::after {
    right: 0;
    background: linear-gradient(to left, var(--card-bg), transparent);
}

.carousel-track {
    display: flex;
    animation: scroll-logos 30s linear infinite;
    gap: 2rem;
}

.carousel-logo {
    height: 40px;
    flex-shrink: 0;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.carousel-logo:hover {
    opacity: 1;
}

@keyframes scroll-logos {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* Footer */
footer {
    background-color: var(--dark-bg);
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

footer p { 
    margin-bottom: 1rem; 
    font-family: var(--font-body);
}

footer ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}

footer ul li a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
    font-family: var(--font-body);
}

footer ul li a:hover {
    color: var(--accent-color);
}

/* Mobile responsive amélioré */
@media (max-width: 768px) {
    .desktop-nav { 
        display: none; 
    }
    
    .mobile-menu-icon { 
        display: flex !important; 
    }
    
    .mobile-nav {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: var(--dark-bg);
        z-index: 999;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    }
    
    .menu-toggle:checked ~ .mobile-nav {
        transform: translateX(0);
    }
    
    .mobile-nav ul { list-style: none; text-align: center; }
    .mobile-nav ul li { margin: 1.5rem 0; }
    .mobile-nav ul li a { color: var(--text-light); text-decoration: none; font-size: 1.5rem; font-family: var(--font-heading); }
    
    .mobile-nav ul li a:hover,
    .mobile-nav ul li a.active {
        color: var(--accent-color);
        opacity: 1;
    }
    
    /* Animation du bouton de menu mobile */
    .menu-toggle:checked ~ .mobile-menu-icon span:nth-child(1) { 
        transform: translateY(7px) rotate(45deg); 
    }
    .menu-toggle:checked ~ .mobile-menu-icon span:nth-child(2) { 
        opacity: 0; 
    }
    .menu-toggle:checked ~ .mobile-menu-icon span:nth-child(3) { 
        transform: translateY(-7px) rotate(-45deg); 
    }

    section { 
        padding: 3rem 1rem; 
    }
    
    .hero-section { 
        padding: 8rem 1rem 4rem 1rem; 
        min-height: 90vh; 
    }
    
    .partners-content h2 { 
        font-size: 1.5rem; 
    }
    
    .carousel-logo { 
        height: 35px; 
    }
}

@media (max-width: 480px) {
    .logo-text { 
        display: none; 
    }
    
    .fei-logo {
        max-width: 4rem;
    }
}