/* Variables et Reset */
:root {
    --primary-color: #012f61;
    --primary-color-rgb: 1, 47, 97; /* Valeurs RGB de #012f61 */
    --primary-light: #0a4a8a;
    --primary-dark: #001f42;
    --secondary-color: #f8f9fa;
    --text-color: #333;
    --spacing: 2rem;
}

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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    z-index: 1000;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
}

.logo span {
    color: var(--primary-color);
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    margin-left: 2rem;
    transition: color 0.3s;
}

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

/* Hero Section */
header {
    height: 100vh;
    background: url('fd.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
    color: black;
    padding-top: 80px;
    position: relative;
}

.hero-content {
    max-width: 800px;
    margin-left: 5%;
    padding: 40px;
     background: rgba(255, 255, 255, 0.7);
    border-radius: 10px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.hero-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.hero-text {
    margin-top: 2rem;
}

.hero-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

/* Style pour la date et le lieu */
.event-details {
    margin-top: 2rem;
}

.event-date {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.event-location {
    font-size: 1.3rem;
}

.cta-button {
    padding: 1rem 2rem;
    background: var(--primary-color);
    border: none;
    color: white;
    border-radius: 5px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: transform 0.3s;
}

.cta-button:hover {
    transform: scale(1.05);
}

/* Section Exposants */
#exposants {
    padding: var(--spacing);
    background: var(--secondary-color);
}

.exposants-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding: 0 20px;
}

.section-logo {
    width: 120px;
    height: auto;
    object-fit: contain;
}

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

.exposant-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.exposant-card:hover {
    transform: translateY(-5px);
}

.exposant-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.exposant-card h3, .exposant-card p {
    padding: 1rem;
}

.card-image-container {
    position: relative;
    overflow: hidden;
}

.card-main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-logo {
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 50px; /* Ajustez selon la taille souhaitée */
    height: auto;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.exposant-card:hover .card-logo {
    opacity: 1;
}

/* Footer */
footer {
    background: var(--primary-color);
    color: white;
    padding: 60px 0 20px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background: white;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.contact-item i {
    font-size: 1.2rem;
    margin-top: 4px;
}

.phone-numbers {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.footer-section a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.footer-section a:hover {
    opacity: 0.8;
}

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 0.9rem;
}

/* Responsive Design */
.burger {
    display: none;
    cursor: pointer;
}

.burger .line {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    margin: 5px;
    transition: all 0.3s ease;
}

@media screen and (max-width: 768px) {
    .nav-links {
        position: fixed;
        right: -100%;
        top: 0;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        width: 80%;
        height: 100vh;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 2rem 0;
        transition: 0.5s cubic-bezier(0.65, 0, 0.35, 1);
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        margin: 1.5rem 0;
        font-size: 1.2rem;
        display: block;
        position: relative;
        padding: 0.5rem 2rem;
    }

    .nav-links a::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 0;
        height: 2px;
        background: var(--primary-color);
        transition: width 0.3s ease;
    }

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

    /* Style moderne pour le burger */
    .burger {
        display: block;
        position: relative;
        z-index: 1001;
    }

    .burger .line {
        width: 25px;
        height: 2px;
        background: var(--text-color);
        margin: 6px;
        transition: all 0.3s ease;
        border-radius: 2px;
    }

    /* Animation du burger */
    .burger.active .line:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .burger.active .line:nth-child(2) {
        opacity: 0;
    }

    .burger.active .line:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    /* Overlay sombre quand le menu est ouvert */
    .overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: 0.3s ease;
    }

    .overlay.active {
        opacity: 1;
        visibility: visible;
    }

    .hero-content {
        margin: 0 20px;
        padding: 30px;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content h2 {
        font-size: 1.5rem;
    }
    
    .grid-exposants {
        grid-template-columns: 1fr;
    }
}

/* Navigation styles */
#navigation {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
}

#navigation > li {
    position: relative;
}

#navigation > li > a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
}

#navigation > li > a:hover {
    color: var(--primary-color);
}

/* Sous-menu styles */
.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(255, 255, 255, 0.95);
    min-width: 200px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border-radius: 4px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    padding: 0.5rem 0;
    list-style: none;
}

.has-submenu:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.submenu li a {
    color: var(--text-color);
    text-decoration: none;
    padding: 0.8rem 1.5rem;
    display: block;
    transition: all 0.3s ease;
}

.submenu li a:hover {
    background: rgba(var(--primary-color-rgb), 0.1);
    color: var(--primary-color);
}

/* Responsive styles */
@media screen and (max-width: 768px) {
    #navigation {
        flex-direction: column;
        gap: 0;
        padding-top: 10px;
    }

    .nav-links {
        position: fixed;
        right: -100%;
        top: 0;
        height: 100vh;
        width: 80%;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        padding: 50px 0 0 0;
        transition: 0.5s cubic-bezier(0.65, 0, 0.35, 1);
        overflow-y: auto;
    }

    .nav-links.active {
        right: 0;
    }

    #navigation > li > a {
        padding: 8px 20px;
        display: block;
        border-bottom: 1px solid rgba(0,0,0,0.05);
    }

    .submenu {
        position: static;
        width: 100%;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .has-submenu.active .submenu {
        max-height: 200px;
        background: rgba(0,0,0,0.02);
    }

    .submenu li a {
        padding: 6px 35px;
        font-size: 0.95rem;
    }

    /* Ajout d'une flèche pour indiquer les sous-menus */
    .has-submenu > a::after {
        content: '▼';
        font-size: 0.8em;
        margin-left: 8px;
    }

    .has-submenu.active > a::after {
        content: '▲';
    }
}

.stats-section {
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    backdrop-filter: blur(10px);
    padding: 4rem 0;
    margin-top: 50px;
    position: relative;
    z-index: 2;
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    align-items: center;
    gap: 2rem;
    padding: 0 20px;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    min-width: 250px;
    transform: translateY(0);
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-10px);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: inline-block;
    background: linear-gradient(45deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-unit {
    font-size: 2rem;
    font-weight: 600;
    margin-left: 5px;
    color: var(--primary-color);
}

.stat-plus {
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary-color);
}

.stat-label {
    font-size: 1.2rem;
    margin-top: 0.5rem;
    color: #666;
    font-weight: 500;
}

/* Animation au scroll */
.stat-item {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.stat-item:nth-child(2) {
    animation-delay: 0.2s;
}

.stat-item:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media screen and (max-width: 968px) {
    .stats-container {
        flex-direction: column;
        gap: 1.5rem;
    }

    .stat-item {
        width: 100%;
        max-width: 300px;
        min-width: auto;
    }

    .stats-section {
        margin-top: 30px;
        padding: 2rem 0;
    }
}

.about-sidec {
    padding: 100px 0;
    background: #fff;
}

.sidec-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.sidec-content {
    padding-right: 50px;
}

.main-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 30px;
    line-height: 1.2;
}

.event-header {
    margin-bottom: 30px;
}

.event-header h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.event-date, .event-location {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 5px;
}

.intro-text {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 30px;
}

.why-participate {
    margin-bottom: 30px;
}

.why-participate h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.why-participate ul {
    list-style: none;
}

.why-participate li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
}

.why-participate li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.visibility-section {
    margin-bottom: 30px;
}

.visibility-section h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.cta-text {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 30px;
    font-weight: 500;
}

.organizer {
    font-style: italic;
}

/* Images Stack */
.sidec-images {
    position: relative;
    height: 700px;
}

.image-stack {
    position: relative;
    height: 100%;
}

.image-item {
    position: absolute;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.image-item:hover {
    transform: translateY(-10px);
}

.image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image1 {
    width: 60%;
    height: 50%;
    top: 0;
    right: 0;
    z-index: 3;
}

.image2 {
    width: 50%;
    height: 45%;
    top: 25%;
    left: 0;
    z-index: 2;
}

.image3 {
    width: 55%;
    height: 40%;
    bottom: 0;
    right: 20%;
    z-index: 1;
}

@media screen and (max-width: 1024px) {
    .sidec-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .sidec-content {
        padding-right: 0;
    }

    .sidec-images {
        height: 500px;
        margin-top: 50px;
    }
}

@media screen and (max-width: 768px) {
    .about-sidec {
        padding: 50px 0;
    }

    .main-title {
        font-size: 2rem;
    }

    .sidec-images {
        height: 400px;
    }
}

.about-us {
    padding: 100px 0;
    background: linear-gradient(to bottom, #fff, rgba(1, 47, 97, 0.05));
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.about-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 50px;
    text-align: center;
}

.founder-section {
    margin-bottom: 80px;
}

.founder-content {
    display: grid;
    gap: 40px;
}

.founder-text {
    line-height: 1.8;
}

.founder-text p {
    margin-bottom: 20px;
}

.highlight-text {
    font-size: 1.2rem;
    color: var(--primary-color);
    font-weight: 500;
    border-left: 4px solid var(--primary-color);
    padding-left: 20px;
    margin-bottom: 30px;
}

/* Services Section */
.services-section {
    padding-top: 50px;
}

.mission-statement {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.mission-statement h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.mission-statement p {
    font-size: 1.2rem;
    line-height: 1.6;
}

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

.service-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(1, 47, 97, 0.1);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-card h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
}

.service-card p {
    color: #666;
    line-height: 1.6;
}

@media screen and (max-width: 768px) {
    .about-us {
        padding: 50px 0;
    }

    .about-header h2 {
        font-size: 2rem;
    }

    .founder-content {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .mission-statement {
        padding: 0 20px;
    }
}

.why-exhibit {
    padding: 100px 0;
    background: #fff;
}

.why-exhibit-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.exhibit-images {
    position: relative;
}

.image-wrapper {
    position: relative;
    height: 700px;
}

.image-top, .image-bottom {
    position: absolute;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(var(--primary-color-rgb), 0.15);
    transition: transform 0.3s ease;
}

.image-top {
    width: 80%;
    height: 60%;
    top: 0;
    left: 0;
    z-index: 2;
}

.image-bottom {
    width: 70%;
    height: 50%;
    bottom: 0;
    right: 0;
    z-index: 1;
}

.image-top:hover, .image-bottom:hover {
    transform: translateY(-10px);
}

.image-top img, .image-bottom img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.exhibit-content {
    padding-left: 20px;
}

.exhibit-content h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 40px;
    position: relative;
}

.exhibit-content h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

.exhibit-reasons {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.reason-card {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(var(--primary-color-rgb), 0.08);
    transition: transform 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.reason-card:hover {
    transform: translateX(10px);
}

.reason-icon {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 15px;
}

.reason-card h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.reason-card p {
    color: #666;
    line-height: 1.6;
}

@media screen and (max-width: 1024px) {
    .why-exhibit-container {
        grid-template-columns: 1fr;
    }

    .image-wrapper {
        height: 500px;
        margin-bottom: 30px;
    }

    .exhibit-content {
        padding-left: 0;
    }
}

@media screen and (max-width: 768px) {
    .why-exhibit {
        padding: 50px 0;
    }

    .image-wrapper {
        height: 400px;
    }

    .exhibit-content h2 {
        font-size: 2rem;
    }

    .reason-card {
        padding: 20px;
    }
}

.our-values {
    padding: 100px 0;
    background: linear-gradient(to bottom, #fff, rgba(var(--primary-color-rgb), 0.05));
}

.values-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.values-header {
    text-align: center;
    margin-bottom: 60px;
}

.values-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}

.values-header h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--primary-color);
}

.values-grid {
    display: grid;
    gap: 40px;
}

.mission-card, .vision-card {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 15px 30px rgba(var(--primary-color-rgb), 0.1);
    transition: transform 0.3s ease;
}

.mission-card:hover, .vision-card:hover {
    transform: translateY(-5px);
}

.value-card h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin: 20px 0;
}

.value-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.values-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.value-item {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(var(--primary-color-rgb), 0.08);
    transition: transform 0.3s ease;
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.value-item:hover {
    transform: translateY(-5px);
}

.value-item .value-icon {
    font-size: 2rem;
    margin-bottom: 0;
    flex-shrink: 0;
}

.value-content h4 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.value-content p {
    color: #666;
    line-height: 1.6;
}

@media screen and (max-width: 768px) {
    .our-values {
        padding: 50px 0;
    }

    .values-header h2 {
        font-size: 2rem;
    }

    .values-list {
        grid-template-columns: 1fr;
    }

    .value-item {
        padding: 20px;
    }
}

.exhibitors {
    padding: 100px 0;
    background: #fff;
}

.exhibitors-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.exhibitors h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.exhibitors h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--primary-color);
}

.exhibitors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 60px;
}

.exhibitor-card {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(var(--primary-color-rgb), 0.1);
    transition: transform 0.3s ease;
}

.exhibitor-card:hover {
    transform: translateY(-10px);
}

.exhibitor-image {
    position: relative;
    height: 400px;
    overflow: hidden;
}

.exhibitor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(to bottom, 
        rgba(1, 47, 97, 0) 0%,
        rgba(1, 47, 97, 0.8) 100%);
}

.exhibitor-card h3 {
    position: absolute;
    bottom: 30px;
    left: 30px;
    right: 30px;
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
    z-index: 2;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

@media screen and (max-width: 1200px) {
    .exhibitors-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media screen and (max-width: 992px) {
    .exhibitors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 576px) {
    .exhibitors-grid {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 768px) {
    .exhibitors {
        padding: 50px 0;
    }

    .exhibitors h2 {
        font-size: 2rem;
    }

    .exhibitor-image {
        height: 300px;
    }

    .exhibitor-card h3 {
        font-size: 1.3rem;
        bottom: 20px;
        left: 20px;
        right: 20px;
    }
}

.organizer-message {
    padding: 100px 0;
    background: linear-gradient(to right, #fff 60%, rgba(var(--primary-color-rgb), 0.03) 60%);
}

.message-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.message-content {
    padding-right: 40px;
}

.message-content h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 40px;
    position: relative;
}

.message-content h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 80px;
    height: 3px;
    background: var(--primary-color);
}

.message-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #444;
}

.message-text .intro {
    font-size: 1.2rem;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 25px;
}

.message-text p {
    margin-bottom: 20px;
}

.signature {
    margin-top: 40px;
    border-left: 3px solid var(--primary-color);
    padding-left: 20px;
}

.signature p {
    margin-bottom: 10px;
    font-style: italic;
}

.signature h4 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.signature span {
    color: #666;
    font-size: 0.95rem;
}

.organizer-image {
    position: relative;
}

.image-frame {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(var(--primary-color-rgb), 0.15);
    height: 600px;
}

.image-frame::before {
    content: '';
    position: absolute;
    top: 20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary-color);
    border-radius: 15px;
    z-index: -1;
}

.image-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.image-frame:hover img {
    transform: scale(1.03);
}

@media screen and (max-width: 1024px) {
    .message-container {
        grid-template-columns: 1fr;
    }

    .message-content {
        padding-right: 0;
    }

    .organizer-message {
        background: #fff;
    }

    .image-frame {
        height: 400px;
    }
}

@media screen and (max-width: 768px) {
    .organizer-message {
        padding: 50px 0;
    }

    .message-content h2 {
        font-size: 2rem;
    }

    .message-text {
        font-size: 1rem;
    }

    .image-frame {
        height: 350px;
    }
}

.plan-section {
    padding: 80px 0;
    background: #fff;
}

.plan-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.plan-container h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 40px;
}

.plan-image-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.plan-image {
    width: 100%;
    height: auto;
    display: block;
}

@media screen and (max-width: 768px) {
    .plan-section {
        padding: 40px 0;
    }

    .plan-container h2 {
        font-size: 2rem;
        margin-bottom: 30px;
    }
}

.conferenciers-section {
    padding: 100px 0;
    background: #fff;
}

.conferenciers-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.conferenciers-container h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 50px;
    position: relative;
}

.conferenciers-container h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--primary-color);
}

.conferenciers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.conferencier-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.conferencier-card:hover {
    transform: translateY(-10px);
}

.conferencier-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.conferencier-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.conferencier-info {
    padding: 20px;
    text-align: center;
}

.conferencier-info h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.specialite {
    color: #666;
    font-weight: 500;
    margin-bottom: 10px;
}

.conference-titre {
    color: #333;
    font-size: 0.9rem;
    line-height: 1.4;
}

@media screen and (max-width: 768px) {
    .conferenciers-section {
        padding: 50px 0;
    }

    .conferenciers-container h2 {
        font-size: 2rem;
    }

    .conferencier-image {
        height: 250px;
    }
}

html {
    scroll-behavior: smooth;
}

.floating-buttons {
    position: fixed;
    right: 20px;
    bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1000;
}

.floating-btn {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    border-radius: 30px;
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.floating-btn i {
    margin-right: 8px;
    font-size: 1.2rem;
}

.brochure-btn {
    background: #e74c3c;
}

.inscription-btn {
    background: var(--primary-color);
}

.floating-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.brochure-btn:hover {
    background: #c0392b;
}

.inscription-btn:hover {
    filter: brightness(1.1);
}

/* Responsive */
@media screen and (max-width: 768px) {
    .floating-buttons {
        right: 10px;
        bottom: 10px;
    }

    .floating-btn {
        padding: 10px 15px;
        font-size: 0.9rem;
    }
}