:root {
  --primary-color: #2d5aa0;
  --secondary-color: #f39c12;
  --text-color: #2c3e50;
  --light-gray: #ecf0f1;
  --white: #ffffff;
  
  --transition: all 0.3s ease;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  
  --container-width: 1200px;
  --header-height: 80px;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header Styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--white);
  box-shadow: var(--shadow);
  z-index: 1000;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  text-align: center;
}

.logo a {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  letter-spacing: -0.5px;
  white-space: nowrap;
}

.logo span {
  color: var(--secondary-color);
  font-size: inherit;
}

/* Menu Toggle / Hamburger Icon */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
  z-index: 1001;
}

.bar {
  height: 3px;
  width: 100%;
  background-color: var(--primary-color);
  border-radius: 3px;
  transition: var(--transition);
}

/* Navbar Styles */
.navbar-list {
  display: flex;
  gap: 30px;
  list-style: none;
}

.navbar-link {
  color: var(--text-color);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

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

/* Media queries pour la navigation responsive */
@media (max-width: 992px) {
  .menu-toggle {
    display: flex;
  }
  
  .navbar {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    max-width: 80%;
    height: 100vh;
    background-color: var(--white);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease-in-out;
    z-index: 1000;
    padding: 100px 30px 30px;
    overflow-y: auto;
  }
  
  .navbar.active {
    right: 0;
  }
  
  .navbar-list {
    flex-direction: column;
    gap: 20px;
  }
  
  .navbar-link {
    display: block;
    font-size: 1.1rem;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
  }
  
  /* Animation du hamburger */
  .menu-toggle.active .bar:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  
  .menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle.active .bar:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }
  
  /* Overlay pour fermer le menu lors du clic à l'extérieur */
  .overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }
  
  .overlay.active {
    opacity: 1;
    visibility: visible;
  }
}

@media (max-width: 768px) {
  .navbar-list {
    gap: 15px;
  }
  
  .navbar-link {
    font-size: 1rem;
  }
}

@media (max-width: 576px) {
  .header .container {
    padding: 0 20px;
  }
  
  .logo a {
    font-size: 24px;
  }
  
  .navbar {
    width: 250px;
  }
  
  .footer-logo h2 {
    font-size: 22px;
  }
}

@media (max-width: 480px) {
  .logo a {
    font-size: 22px;
  }
  
  .footer-logo h2 {
    font-size: 20px;
  }
}

/* Hero Section */
.hero {
  min-height: 100vh;
  padding: 120px 0 60px;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  display: flex;
  align-items: center;
}

.hero-content {
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-text {
  flex: 1;
}

.hero-title {
  color: var(--primary-color);
  margin-bottom: 20px;
  line-height: 1.1;
  font-weight: 700;
  font-size: 4.5rem;
  white-space: nowrap;
}

.hero-title a {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.hero-title span {
  color: var(--secondary-color);
  font-size: inherit;
}

.hero-subtitle {
  font-size: 1.8rem;
  line-height: 1.4;
  margin-bottom: 30px;
  color: var(--text-color);
}

.highlight {
  color: var(--primary-color);
  font-weight: 600;
}

.hero-date,
.hero-location {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  color: var(--text-color);
  margin-bottom: 15px;
}

.hero-date ion-icon,
.hero-location ion-icon {
  font-size: 1.4rem;
  color: var(--secondary-color);
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 35px;
  background: var(--primary-color);
  color: var(--white);
  text-decoration: none;
  border-radius: 30px;
  font-size: 1.1rem;
  font-weight: 500;
  margin-top: 30px;
  transition: all 0.3s ease;
}

.hero-cta:hover {
  background: var(--secondary-color);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.hero-cta ion-icon {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.hero-cta:hover ion-icon {
  transform: translateX(5px);
}

.hero-image {
  flex: 1;
  
  position: relative;
}

.main-image {
  width: 100%;
  height: auto;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease;
}

.main-image:hover {
  transform: scale(1.02);
}

/* Schedule Section */
.schedule {
  padding: 80px 0;
  background: var(--white);
}

.section-title {
  text-align: center;
  font-size: 36px;
  color: var(--primary-color);
  margin-bottom: 50px;
}

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

.schedule-day {
  background: var(--light-gray);
  padding: 25px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease;
}

.schedule-day:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.schedule-day h3 {
  color: var(--primary-color);
  margin-bottom: 10px;
  font-size: 1.4rem;
  text-align: center;
}

.day-theme {
  background: var(--primary-color);
  color: white;
  padding: 8px 15px;
  border-radius: 20px;
  font-size: 0.9rem;
  text-align: center;
  margin-bottom: 20px;
  font-weight: 500;
}

.schedule-item {
  margin-bottom: 20px;
  padding: 15px;
  background: var(--white);
  border-radius: 8px;
  transition: var(--transition);
  position: relative;
}

.schedule-item:last-child {
  margin-bottom: 0;
}

.schedule-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.time {
  color: var(--secondary-color);
  font-weight: 500;
  display: block;
  margin-bottom: 5px;
}

.schedule-item h4 {
  font-size: 1.1rem;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.schedule-item p {
  font-size: 0.9rem;
  margin-bottom: 8px;
  line-height: 1.4;
}

.schedule-item .location {
  display: block;
  font-size: 0.85rem;
  color: #666;
  font-style: italic;
  margin-top: 5px;
}

.schedule-item .speaker {
  display: block;
  font-size: 0.9rem;
  color: #444;
  font-weight: 500;
  margin-bottom: 5px;
}

/* Supprimer les contrôles de navigation qui ne sont plus nécessaires */
.schedule-controls {
  display: none;
}

/* Media queries pour la section Programme */
@media (max-width: 768px) {
  .schedule-grid {
    grid-template-columns: 1fr;
  }
  
  .schedule-day {
    padding: 20px;
  }
  
  .schedule-item {
    padding: 12px;
  }
  
  .schedule-item h4 {
    font-size: 1rem;
  }
}

/* Workshops Section */
.workshops {
  padding: 80px 0;
  background: var(--light-gray);
}

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

.workshop-card {
  background: var(--white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

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

.workshop-content {
  padding: 20px;
}

.workshop-content h3 {
  color: var(--primary-color);
  margin-bottom: 10px;
}

.workshop-details {
  display: flex;
  gap: 20px;
  margin-top: 15px;
}

.workshop-details span {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--text-color);
  font-size: 14px;
}

/* Media Queries */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3.5rem;
  }

  .hero-subtitle {
    font-size: 1.5rem;
  }
}

@media (max-width: 992px) {
  .hero-content {
    gap: 30px;
  }
  
  .schedule-table th,
  .schedule-table td {
    padding: 10px;
    font-size: 0.9rem;
  }
  
  .speakers-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
  
  .contact-grid {
    flex-wrap: wrap;
  }

  /* Slider responsive styles */
  .hero-image {
    max-width: 700px;
    height: 350px;
    display: block;
  }

  .slider-container {
    display: block;
    height: 100%;
  }

  .slider-arrow {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }
}

@media (max-width: 768px) {
  .header .container {
    height: auto;
    padding: 15px 0;
  }
  
  .navbar-list {
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
  }
  
  .hero {
    padding: 100px 0 40px;
  }
  
  .hero-content {
    flex-direction: column-reverse;
    text-align: center;
  }
  
  .hero-title {
    font-size: 2.8rem;
  }
  
  .hero-subtitle {
    font-size: 1.3rem;
  }
  
  .hero-date, .hero-location {
    justify-content: center;
  }
  
  .hero-cta {
    display: block;
    margin: 15px auto 0;
    text-align: center;
  }
  
  .about-content {
    flex-direction: column;
  }
  
  .schedule-table-container {
    overflow-x: auto;
  }
  
  .competitions-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
  
  .speakers-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
  
  .contact-grid {
    flex-direction: column;
    align-items: center;
  }
  
  .speaker-card {
    max-width: 300px;
    margin: 0 auto;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: 15px;
  }

  /* Slider responsive styles */
  .hero-image {
    max-width: 100%;
    height: 300px;
    display: block;
    margin: 0 auto;
  }

  .slider-container {
    display: block;
    height: 100%;
  }

  .slider-image {
    display: block;
    height: 100%;
  }

  .slider-arrow {
    width: 32px;
    height: 32px;
    font-size: 16px;
    display: flex !important;
  }

  .slider-arrow.prev {
    left: 10px;
  }

  .slider-arrow.next {
    right: 10px;
  }

  .slider-controls {
    display: flex !important;
    bottom: 15px;
    gap: 8px;
  }

  .slider-dot {
    width: 10px;
    height: 10px;
    display: block;
  }
}

@media (max-width: 576px) {
  .hero-cta {
    padding: 12px 25px;
    font-size: 1rem;
    width: 100%;
    margin-bottom: 10px;
  }
  
  .hero-text {
    width: 100%;
  }
  
  .hero-image {
    width: 100%;
    height: 280px;
    display: block;
    margin: 0 auto;
  }
  
  .slider-container {
    display: block;
    height: 100%;
  }

  .main-image {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .logo a {
    font-size: 24px;
  }
  
  .navbar-list {
    gap: 10px;
  }
  
  .navbar-link {
    font-size: 0.8rem;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .section-title {
    font-size: 28px;
  }
  
  .about-subtitle {
    font-size: 1.5rem;
  }
  
  .about-description {
    font-size: 1rem;
  }
  
  .schedule-table {
    font-size: 0.8rem;
  }
  
  .competitions-grid {
    grid-template-columns: 1fr;
  }
  
  .competition-card {
    padding: 20px;
  }
  
  .speakers-grid {
    grid-template-columns: 1fr;
  }
  
  .speaker-image-circle {
    width: 120px;
    height: 120px;
  }
  
  .speaker-talk-title {
    font-size: 1.1rem;
  }
  
  .speaker-name {
    font-size: 1rem;
  }

  /* Slider responsive styles */
  .hero-image {
    height: 250px;
    display: block;
    margin: 0 auto;
  }

  .slider-container {
    display: block;
    height: 100%;
  }

  .slider-image {
    display: block;
    height: 100%;
  }

  .slider-arrow {
    width: 28px;
    height: 28px;
    font-size: 14px;
    display: flex !important;
  }

  .slider-arrow.prev {
    left: 5px;
  }

  .slider-arrow.next {
    right: 5px;
  }

  .slider-controls {
    display: flex !important;
    bottom: 10px;
    gap: 6px;
  }

  .slider-dot {
    width: 8px;
    height: 8px;
    display: block;
  }
}

/* Section À propos */
.about {
  padding: 100px 0;
  background: var(--white);
  overflow: hidden;
}

.about-content {
  display: flex;
  align-items: flex-start;
  gap: 70px;
  margin-top: 50px;
}

.about-images {
  flex: 1;
  position: relative;
}

.image-grid {
  display: flex;
  flex-direction: column;
  gap: 30px;
  max-width: 500px;
}

.about-img {
  width: 100%;
  height: 230px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-img:hover {
  transform: scale(1.03);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.about-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.about-subtitle {
  font-size: 1.8rem;
  color: var(--primary-color);
  margin-bottom: 20px;
  line-height: 1.3;
}

.about-description {
  font-size: 1.1rem;
  color: var(--text-color);
  margin-bottom: 20px;
  line-height: 1.6;
}

/* Supprimer les styles des objectifs */
.about-objectives {
  display: none;
}

/* Media queries pour la section À propos */
@media (max-width: 992px) {
  .about-content {
    flex-direction: column;
    gap: 40px;
  }

  .image-grid {
    max-width: 600px;
    margin: 0 auto;
  }

  .about-text {
    text-align: center;
  }
}

@media (max-width: 768px) {
  .about {
    padding: 60px 0;
  }
  
  .about-img {
    height: 200px;
  }

  .image-grid {
    gap: 25px;
  }
}

@media (max-width: 480px) {
  .about-stats {
    flex-direction: column;
    gap: 30px;
  }

  .stat-item {
    padding: 20px;
    background: var(--light-gray);
    border-radius: 10px;
  }
}

/* Style de tableau pour le programme */
.schedule-table-container {
  overflow-x: auto;
  margin-bottom: 30px;
  width: 100%;
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  overflow: hidden;
  table-layout: fixed; /* Pour une largeur fixe des colonnes */
}

.schedule-table thead {
  background-color: var(--primary-color);
  color: white;
}

.schedule-table th {
  padding: 15px;
  text-align: left;
  font-weight: 600;
}

.schedule-table td {
  padding: 12px 15px;
  border-bottom: 1px solid #eee;
  vertical-align: middle;
  text-align: center;
}

.schedule-table tr:last-child td {
  border-bottom: none;
}

.schedule-table tbody tr:hover {
  background-color: #f9f9f9;
}

.day-header {
  background-color: #e6f2f7;
  font-weight: 700;
  text-align: center;
  color: var(--primary-color);
}

.day-header td {
  padding: 10px;
  font-size: 1.1rem;
  text-align: center;
}

/* Largeurs des colonnes */
.schedule-table th:nth-child(1),
.schedule-table td:nth-child(1) {
  width: 12%;
}

.schedule-table th:nth-child(2),
.schedule-table td:nth-child(2) {
  width: 20%;
}

.schedule-table th:nth-child(3),
.schedule-table td:nth-child(3) {
  width: 33%;
}

.schedule-table th:nth-child(4),
.schedule-table td:nth-child(4) {
  width: 15%;
}

.schedule-table th:nth-child(5),
.schedule-table td:nth-child(5) {
  width: 20%;
}

/* Responsive */
@media (max-width: 768px) {
  .schedule-table {
    font-size: 0.9rem;
  }
  
  .schedule-table th,
  .schedule-table td {
    padding: 10px;
  }
}

/* Améliorations pour les cellules fusionnées */
.schedule-table td[rowspan] {
  vertical-align: middle;
  background-color: rgba(245, 245, 245, 0.5);
}

/* Style pour les sous-activités */
.schedule-table td ul {
  margin: 0;
  padding-left: 20px;
}

.schedule-table td ul li {
  margin-bottom: 5px;
}

/* Amélioration pour les cellules avec plusieurs lignes */
.schedule-table td br {
  margin-bottom: 5px;
  display: block;
  content: "";
}

/* Ajout d'une bordure légère entre les lignes du même jour */
.schedule-table tbody tr:not(.day-header) {
  border-bottom: 1px solid #eee;
}

/* Alternance de couleurs pour les lignes */
.schedule-table tbody tr:nth-child(even):not(.day-header) {
  background-color: rgba(245, 245, 245, 0.3);
}

/* Centrer tout le contenu des cellules du tableau */
.schedule-table th,
.schedule-table td {
  padding: 12px 15px;
  border-bottom: 1px solid #eee;
  vertical-align: middle;
  text-align: center;
}

/* Ajustement pour les cellules avec du texte long */
.schedule-table td ul,
.schedule-table td p {
  text-align: left;
  display: inline-block;
}

/* Maintenir l'alignement à gauche pour les listes à puces */
.schedule-table td ul {
  text-align: left;
  margin: 0 auto;
  display: inline-block;
}

/* Section Compétitions et Activités */
.competitions {
  padding: 80px 0;
  background-color: #f9f9f9;
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px;
  font-size: 1.1rem;
  color: #666;
}

.competitions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.competition-card {
  background-color: white;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  padding: 30px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

.competition-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.competition-icon {
  font-size: 2.8rem;
  color: var(--primary-color);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 90px;
  width: 90px;
  background-color: rgba(26, 95, 122, 0.1);
  border-radius: 50%;
  margin: 0 auto 20px;
  transition: all 0.3s ease;
}

.competition-card:hover .competition-icon {
  background-color: var(--primary-color);
  color: white;
  transform: scale(1.1);
}

/* Animation subtile pour les icônes */
@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

.competition-card:hover .competition-icon i {
  animation: pulse 1.5s infinite ease-in-out;
}

.competition-card h3 {
  font-size: 1.4rem;
  color: var(--primary-color);
  margin-bottom: 15px;
  text-align: center;
}

.competition-card p {
  font-size: 1rem;
  color: #666;
  margin-bottom: 20px;
  flex-grow: 1;
  text-align: center;
}

.competition-details {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
}

.competition-details span {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: #555;
}

.competition-details i {
  color: var(--secondary-color);
  font-size: 1.1rem;
}

/* Responsive */
@media (max-width: 768px) {
  .competitions-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
  }
  
  .competition-card {
    padding: 25px;
  }
  
  .competition-icon {
    font-size: 2rem;
    height: 70px;
    width: 70px;
  }
  
  .competition-card h3 {
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  .competitions-grid {
    grid-template-columns: 1fr;
  }
}

/* Section Ateliers et Conférences */
.speakers {
  padding: 80px 0;
  background-color: #f9f9f9;
}

.speakers-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
  gap: 30px;
}

.tab-btn {
  padding: 12px 35px;
  background-color: white;
  border: 2px solid var(--primary-color);
  border-radius: 30px;
  color: var(--primary-color);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1.1rem;
}

.tab-btn.active, .tab-btn:hover {
  background-color: var(--primary-color);
  color: white;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
}

.speaker-card {
  background-color: white;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  padding: 30px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  min-height: 450px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.speaker-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.speaker-image-circle {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 20px;
  border: 5px solid rgba(26, 95, 122, 0.1);
  transition: all 0.3s ease;
}

.activity-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.speaker-image-circle img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.speaker-card:hover .speaker-image-circle {
  border-color: var(--primary-color);
  transform: scale(1.05);
}

.speaker-card:hover .speaker-image-circle img {
  transform: scale(1.1);
}

.speaker-talk-title {
  font-size: 1.3rem;
  color: var(--secondary-color);
  margin-bottom: 10px;
  font-weight: 600;
}

.speaker-name {
  font-size: 1.1rem;
  color: var(--primary-color);
  margin-bottom: 20px;
  font-weight: 500;
}

.activity-details {
  margin: 15px 0;
  text-align: left;
}

.activity-details p {
  margin: 8px 0;
  font-size: 0.9rem;
  color: #666;
  display: flex;
  align-items: center;
}

.activity-details i {
  margin-right: 8px;
  color: var(--secondary-color);
  width: 16px;
}

/* Club Button Styles */
.club-btn {
  display: inline-block;
  padding: 10px 20px;
  background: var(--primary-color);
  color: var(--white);
  text-decoration: none;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: 15px;
  transition: all 0.3s ease;
  border: 2px solid var(--primary-color);
}

.club-btn:hover {
  background: var(--secondary-color);
  border-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(243, 156, 18, 0.3);
}

/* Laureats Section Styles */
.laureats {
  padding: 80px 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.laureats-section {
  margin-bottom: 60px;
}

.laureats-subtitle {
  font-size: 1.8rem;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 40px;
  font-weight: 600;
  position: relative;
}

.laureats-subtitle::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: var(--secondary-color);
  border-radius: 2px;
}

.laureats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.laureats-grid.excellence {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.laureat-card {
  background: white;
  border-radius: 15px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.laureat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.laureat-card.excellence::before {
  background: linear-gradient(90deg, #ffd700, #ffed4e);
}

.laureat-card.master::before {
  background: linear-gradient(90deg, #8b5cf6, #a78bfa);
}

.laureat-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.laureat-rank {
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--primary-color);
  color: white;
  padding: 8px 12px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
}

.laureat-rank.excellence {
  background: linear-gradient(135deg, #ffd700, #ffed4e);
  color: #333;
  font-size: 1.2rem;
}

.laureat-rank.master {
  background: linear-gradient(135deg, #8b5cf6, #a78bfa);
  font-size: 1.2rem;
}

.laureat-image-circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin: 20px auto 20px;
  border: 4px solid rgba(45, 90, 160, 0.2);
  transition: all 0.3s ease;
}

.laureat-card.excellence .laureat-image-circle {
  border-color: rgba(255, 215, 0, 0.3);
  width: 130px;
  height: 130px;
}

.laureat-card.master .laureat-image-circle {
  border-color: rgba(139, 92, 246, 0.3);
  width: 130px;
  height: 130px;
}

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

.laureat-card:hover .laureat-image-circle {
  border-color: var(--secondary-color);
  transform: scale(1.05);
}

.laureat-card:hover .laureat-image-circle img {
  transform: scale(1.1);
}

.laureat-info {
  margin-top: 15px;
}

.laureat-name {
  font-size: 1.2rem;
  color: var(--primary-color);
  margin-bottom: 8px;
  font-weight: 600;
}

.laureat-card.excellence .laureat-name {
  color: #b8860b;
}

.laureat-card.master .laureat-name {
  color: #8b5cf6;
}

.laureat-filiere {
  font-size: 1rem;
  color: var(--text-color);
  margin-bottom: 5px;
  font-weight: 500;
}

.laureat-mention {
  font-size: 0.9rem;
  color: #28a745;
  font-weight: 500;
  padding: 5px 10px;
  background: rgba(40, 167, 69, 0.1);
  border-radius: 15px;
  display: inline-block;
}

@media (max-width: 768px) {
  .laureats-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
  }
  
  .laureat-card {
    padding: 20px;
  }
  
  .laureat-image-circle {
    width: 100px;
    height: 100px;
  }
  
  .laureat-card.excellence .laureat-image-circle,
  .laureat-card.master .laureat-image-circle {
    width: 110px;
    height: 110px;
  }
}

.speaker-details {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}

.speaker-details span {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: #555;
}

.speaker-details i {
  color: var(--secondary-color);
  font-size: 1.1rem;
}

/* Responsive */
@media (max-width: 768px) {
  .speakers-tabs {
    flex-wrap: wrap;
  }
  
  .speakers-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
  }
  
  .speaker-image-circle {
    width: 120px;
    height: 120px;
  }
  
  .speaker-card {
    padding: 20px;
  }
  
  .speaker-name {
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  .speakers-grid {
    grid-template-columns: 1fr;
  }
  
  .tab-btn {
    padding: 10px 15px;
    font-size: 0.9rem;
  }
}

/* Styles pour le bouton "Voir plus" */
.view-more-container {
  text-align: center;
  margin-top: 50px;
}

.view-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 30px;
  background-color: var(--primary-color);
  color: white;
  text-decoration: none;
  border-radius: 30px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.view-more-btn:hover {
  background-color: var(--secondary-color);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Styles pour la page des ateliers */
.workshops-page {
  padding: 150px 0 80px;
  background-color: #f9f9f9;
}

.navbar-link.active {
  color: var(--primary-color);
  font-weight: 600;
}

.footer {
  background-color: var(--light-gray);
  padding: 20px 0;
  box-shadow: var(--shadow);
}

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

.footer-logo {
  text-align: center;
}

.footer-logo h2 {
  font-size: 24px;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  letter-spacing: -0.5px;
}

.footer-logo h2 span {
  color: var(--secondary-color);
  font-size: inherit;
}

.footer-right {
  font-size: 14px;
  color: var(--text-color);
}

.contact {
  padding: 80px 0;
  background-color: #f9f9f9;
}

.contact-grid {
  display: flex;
  gap: 20px;
  justify-content: center;
}

.contact-card {
  background-color: white;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  padding: 20px;
  text-align: center;
  width: 250px;
}

.contact-image img {
  width: 100%;
  height: auto;
  border-radius: 50%;
  margin-bottom: 15px;
}

.contact-info h3 {
  font-size: 1.2rem;
  color: var(--primary-color);
}

.contact-info p {
  margin: 5px 0;
  color: #555;
}

/* Responsive pour tablettes et petits écrans */
@media (max-width: 992px) {
  .hero-content {
    gap: 30px;
  }
  
  .hero-title {
    font-size: 3.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.5rem;
  }
  
  .schedule-table th,
  .schedule-table td {
    padding: 10px;
    font-size: 0.9rem;
  }
  
  .speakers-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
  
  .contact-grid {
    flex-wrap: wrap;
  }
}

/* Responsive pour smartphones */
@media (max-width: 768px) {
  .header .container {
    height: auto;
    padding: 15px 0;
  }
  
  .navbar-list {
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
  }
  
  .hero {
    padding: 100px 0 40px;
  }
  
  .hero-content {
    flex-direction: column-reverse;
    text-align: center;
  }
  
  .hero-title {
    font-size: 2.8rem;
  }
  
  .hero-subtitle {
    font-size: 1.3rem;
  }
  
  .hero-date, .hero-location {
    justify-content: center;
  }
  
  .hero-cta {
    display: block;
    margin: 15px auto 0;
    text-align: center;
  }
  
  .about-content {
    flex-direction: column;
  }
  
  .schedule-table-container {
    overflow-x: auto;
  }
  
  .competitions-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
  
  .speakers-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
  
  .contact-grid {
    flex-direction: column;
    align-items: center;
  }
  
  .speaker-card {
    max-width: 300px;
    margin: 0 auto;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: 15px;
  }
}

/* Responsive pour petits smartphones */
@media (max-width: 480px) {
  .logo a {
    font-size: 24px;
  }
  
  .navbar-list {
    gap: 10px;
  }
  
  .navbar-link {
    font-size: 0.8rem;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .section-title {
    font-size: 28px;
  }
  
  .about-subtitle {
    font-size: 1.5rem;
  }
  
  .about-description {
    font-size: 1rem;
  }
  
  .schedule-table {
    font-size: 0.8rem;
  }
  
  .competitions-grid {
    grid-template-columns: 1fr;
  }
  
  .competition-card {
    padding: 20px;
  }
  
  .speakers-grid {
    grid-template-columns: 1fr;
  }
  
  .speaker-image-circle {
    width: 120px;
    height: 120px;
  }
  
  .speaker-talk-title {
    font-size: 1.1rem;
  }
  
  .speaker-name {
    font-size: 1rem;
  }
}

/* Ajustements pour les boutons CTA sur mobile */
@media (max-width: 576px) {
  .hero-cta {
    padding: 12px 25px;
    font-size: 1rem;
    width: 100%;
    margin-bottom: 10px;
  }
  
  .hero-text {
    width: 100%;
  }
  
  .hero-image {
    width: 100%;
  }
  
  .main-image {
    width: 100%;
  }
}

/* Style pour le bouton Participer */
.participate-btn {
  background-color: #FFD700; /* Couleur jaune */
  color: #333; /* Texte foncé pour un meilleur contraste */
}

.participate-btn:hover {
  background-color: #FFC107; /* Jaune légèrement plus foncé au survol */
  color: #333;
}

/* Styles pour la section Comité */
.comite {
  padding: 80px 0;
  background-color: var(--light-gray);
}

.comite-section {
  margin-bottom: 40px;
}

.comite-title {
  font-size: 1.6rem;
  color: var(--primary-color);
  margin-bottom: 25px;
  text-align: center;
  position: relative;
  padding-bottom: 10px;
}

.comite-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  height: 3px;
  width: 50px;
  background-color: var(--secondary-color);
}

.comite-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  margin-top: 30px;
  justify-content: center;
}

/* Style spécifique pour le comité général et de programme */
.comite-section:nth-child(1) .comite-grid,
.comite-section:nth-child(2) .comite-grid {
  gap: 40px;
}

.comite-section:nth-child(1) .comite-card,
.comite-section:nth-child(2) .comite-card {
  width: 350px;
}

/* Style spécifique pour le comité d'organisation et responsable des étudiants */
.comite-section:nth-child(3) .comite-grid,
.comite-section:nth-child(4) .comite-grid {
  gap: 25px;
}

.comite-section:nth-child(3) .comite-card,
.comite-section:nth-child(4) .comite-card {
  width: 270px;
}

.comite-card {
  background-color: var(--white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  padding: 20px;
  text-align: center;
}

.comite-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.comite-image-circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 15px;
  position: relative;
  border: 3px solid var(--primary-color);
}

.comite-image-circle img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.comite-card:hover .comite-image-circle img {
  transform: scale(1.1);
}

.comite-info {
  padding: 10px 0;
}

.comite-name {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 5px;
  font-family: 'Poppins', sans-serif;
}

.comite-role {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 10px;
  font-family: 'Poppins', sans-serif;
}

/* Media Queries for Comité Section */
@media (max-width: 1320px) {
  .comite-section:nth-child(3) .comite-grid,
  .comite-section:nth-child(4) .comite-grid {
    gap: 20px;
  }
  
  .comite-section:nth-child(3) .comite-card,
  .comite-section:nth-child(4) .comite-card {
    width: 260px;
  }
}

@media (max-width: 1200px) {
  .comite-section:nth-child(3) .comite-card,
  .comite-section:nth-child(4) .comite-card {
    width: 300px;
  }
}

@media (max-width: 992px) {
  .comite-section:nth-child(1) .comite-card,
  .comite-section:nth-child(2) .comite-card {
    width: 300px;
  }
}

@media (max-width: 768px) {
  .comite-card {
    width: 300px !important;
  }
}

/* Styles pour le bouton "Go Top" */
.go-top-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--primary-color);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
}

.go-top-btn.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.go-top-btn:hover {
  background-color: var(--secondary-color);
  transform: translateY(-5px);
}

@media (max-width: 768px) {
  .go-top-btn {
    width: 40px;
    height: 40px;
    font-size: 16px;
    bottom: 20px;
    right: 20px;
  }
}

/* Styles pour les galeries photos des clubs */
.club-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.gallery-item {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

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

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