:root {
    --color-primary: #6a1b9a;
    --color-secondary: #ff9800;
    --color-accent: #2196f3;
    --color-background: #f8f5ff;
    --color-text: #333;
    --font-heading: 'Rubik Moonrocks', cursive;
    --font-subheading: 'Righteous', cursive;
    --font-body: 'Quicksand', sans-serif;
    --font-accent: 'Caveat', cursive;
    --transition-standard: all 0.3s ease;
    --shadow-standard: 0 10px 25px rgba(0,0,0,0.1);
    --border-radius: 12px;
  }
  
  * {margin: 0; padding: 0; box-sizing: border-box;}
  
  body {
    font-family: var(--font-body);
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.5;
    background-image: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%236a1b9a' fill-opacity='0.08'%3E%3Ccircle cx='10' cy='10' r='2.5'/%3E%3Ccircle cx='30' cy='10' r='1.8'/%3E%3Ccircle cx='10' cy='30' r='1.2'/%3E%3Ccircle cx='30' cy='30' r='3'/%3E%3Ccircle cx='20' cy='20' r='2'/%3E%3C/g%3E%3C/svg%3E");
  }
  
  header, footer {
    background: linear-gradient(135deg, var(--color-primary), #9c27b0);
    color: white;
  }
  
  header {
    padding: 0 .5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 210px;
    clip-path: polygon(0 0, 100% 0, 100% 75%, 0 95%);
  }
  
  .brain-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
  }
  
  .header-content {
    position: relative;
    z-index: 1;
    line-height: normal;
  }
  
  .breadcrumb {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    padding: 0.4rem 1rem;
    font-size: 0.9rem;
    z-index: 2;
    max-width: 90%;
    overflow: hidden;
  }
  
  .breadcrumb a {
    color: white;
    text-decoration: none;
    transition: var(--transition-standard);
    display: inline-block;
  }
  
  .breadcrumb a:hover {text-shadow: 0 0 5px rgba(255, 255, 255, 0.8);}
  
  .breadcrumb .separator {
    color: rgba(255, 255, 255, 0.7);
    margin: 0 0.5rem;
    display: inline-block;
  }
  
  .breadcrumb .current {font-weight: bold; display: inline-block;}
  
  h1 {
    font-family: var(--font-heading);
    font-size: 4.2rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    letter-spacing: 1px;
    margin-top: .5rem;
  }
  
  h1::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--color-secondary);
    margin: 0.3rem auto 0;
    border-radius: 2px;
  }
  
  .subtitle {
    font-family: var(--font-accent);
    font-size: 2.3rem;
    font-weight: normal;
    margin-bottom: .5rem;
    letter-spacing: 1px;
  }
  
  .intro {
    max-width: 880px;
    margin: -3.5rem auto 1rem;
    padding: 0 1.5rem;
    text-align: center;
    position: relative;
    z-index: 10;
  }
  
  .card-text {
    position: relative;
    width: 100%;
    margin: 0;
    display: inline-block;
    padding: 10px 30px;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.6;
    background: linear-gradient(to bottom, #fff, #fafafa);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08), 
                inset 0 1px 2px rgba(106, 27, 154, 0.03);
  }
  
  #text-content {
    opacity: 1;
    transition: opacity 0.4s ease;
  }
  
  #text-content.fade {opacity: 0;}
  
  .intro-dots {
    display: flex;
    justify-content: center;
    margin-top: 10px;
  }
  
  .dot {
    height: 10px;
    width: 10px;
    margin: 0 5px;
    background-color: rgba(106, 27, 154, 0.2);
    border-radius: 50%;
    display: inline-block;
    cursor: pointer;
    transition: var(--transition-standard);
  }
  
  .dot:hover {background-color: rgba(106, 27, 154, 0.4);}
  .dot.active {
    background-color: var(--color-primary);
    transform: scale(1.2);
  }
  
  .container {
    max-width: 1500px;
    margin: 0 auto;
    padding: 1rem 1rem 0;
  }
  
  .sessions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(400px, 100%), 1fr));
    gap: 4rem;
    justify-items: center;
  }
  
  .session-card {
    border: 1px solid rgba(255, 255, 255, 0.8);
    background: linear-gradient(to bottom, #fff, #fafafa);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-standard);
    transition: transform 0.3s ease, box-shadow 0.4s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    max-width: 400px;
    width: 100%;
  }
  
  .session-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 30px rgba(0,0,0,0.15);
  }
  
  .image-container {
    position: relative;
    width: 100%;
    padding-bottom: 65%;
    overflow: hidden;
  }
  
  .session-image {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
  }
  
  .session-card:hover .session-image {transform: scale(1.05);}
  
  .session-badge {
    position: absolute;
    bottom: 15px;
    left: 15px;
    background-color: var(--color-secondary);
    color: white;
    font-weight: bold;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    display: inline-block;
    font-family: var(--font-subheading);
    box-shadow: 0 3px 8px rgba(0,0,0,0.3);
    z-index: 2;
    text-transform: uppercase;
    letter-spacing: 1px;
  }
  
  .session-content {
    padding: 1.8rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
  }
  
  .session-title {
    font-family: var(--font-subheading);
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
    letter-spacing: 0.5px;
  }
  
  .session-subtitle {
    font-family: var(--font-accent);
    font-size: 1.3rem;
    margin-bottom: 1.2rem;
    color: #555;
  }
  
  .session-desc {
    margin-bottom: 1.8rem;
    font-size: 0.95rem;
    color: #666;
    flex-grow: 1;
  }
  
  .session-link {
    display: inline-block;
    background-color: var(--color-accent);
    color: white;
    text-decoration: none;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    /* font-weight: bold; */
    transition: var(--transition-standard);
    font-family: var(--font-subheading);
    letter-spacing: 0.5px;
    align-self: flex-start;
    margin-top: auto;
  }
  
  .session-link:hover {
    background-color: #0b7dda;
    transform: scale(1.05);
  }
  
  footer {
    text-align: center;
    padding: 1rem 1rem .3rem;
    margin-top: 4rem;
    position: relative;
    box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.1);
  }
  
  .footer-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .footer-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 4rem;
    width: 100%;
  }
  
  .logo-item {text-align: center;}
  .logo-item img {max-height: 65px;}
  .ligue-logo img {max-height: 80px;}
  .logo-item a::after {display: none;}
  .logo-item a:hover {text-shadow: none;}
  .logo-item a:hover img {transform: none;}
  
  .copyright-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.95rem;
    padding: 5px 0;
    max-width: 800px;
    width: 100%;
  }
  
  .separator {margin: 0 .7rem; color: rgba(255, 255, 255, 0.6);}
  
  footer a {
    color: white;
    text-decoration: none;
    transition: var(--transition-standard);
    position: relative;
    padding: 2px 0;
  }
  
  footer a::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 1px;
    bottom: 0;
    left: 0;
    background-color: white;
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.3s;
  }
  
  footer a:hover {text-shadow: 0 0 8px rgba(255, 255, 255, 0.6);}
  footer a:hover::after {transform: scaleX(1); transform-origin: bottom left;}
  footer a img {transition: none;}
  footer a:hover img {transform: none;}
  footer a img::after {display: none;}
  
  /* Modal styles */
  .modal {
    display: none;
    position: fixed;
    z-index: 1000;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
    transition: opacity 0.3s ease;
  }
  
  .modal-container {
    position: relative;
    margin: auto;
    width: 90%;
    max-width: 1200px;
    max-height: 90vh;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.3);
    overflow: auto;
    animation: zoom 0.3s ease;
  }
  
  @keyframes zoom {
    from {transform: scale(0.8); opacity: 0;}
    to {transform: scale(1); opacity: 1;}
  }
  
  .close-modal {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
    z-index: 1001;
  }
  
  .close-modal:hover {
    color: var(--color-secondary);
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
  }
  
  #modalCaption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: white;
    padding: 20px 0;
    font-family: var(--font-body);
    font-weight: 500;
  }
  
  /* Modal content variants */
  .modal-container.image-content {
    background-color: transparent;
    box-shadow: none;
  }
  
  .modal-container.image-content #modalContent {text-align: center;}
  
  .modal-container.image-content img {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 8px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.3);
  }
  
  .modal-container.text-content {padding: 30px;}
  
  .modal-container.iframe-content #modalContent {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
  }
  
  .modal-container.iframe-content iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 8px 8px 0 0;
  }
  
  .modal-container.html-content {padding: 30px;}
  
  /* Media queries */
  @media (max-width: 768px) {
    .breadcrumb {
      top: 15px;
      left: 15px;
      font-size: 0.8rem;
      padding: 0.3rem 0.8rem;
    }
    h1 {font-size: 3.2rem;}
    .subtitle {font-size: 2rem;}
    .intro {margin-top: -4.5rem;}
    .card-text {
      padding: 18px 22px;
      font-size: 1rem;
    }
    .sessions {grid-template-columns: 1fr;}
    .session-badge {
      font-size: 0.9rem;
      padding: 0.4rem 0.8rem;
    }
    .separator {margin: 0;}
    .modal-container {width: 95%;}
    .close-modal {
      top: 15px;
      right: 25px;
      font-size: 35px;
    }
  }
  
  @media (max-width: 670px) {
    .copyright-container {
      flex-direction: column;
      padding: 0;
    }
    .separator {display: none;}
    .footer-logos {gap: 2rem;}
  }
  
  @media (max-width: 576px) {
    h1 {font-size: 2.5rem;}
    .subtitle {font-size: 1.5rem;}
    .intro {margin-top: -6.5rem;}
    .hide-on-mobile {display: none;}
    .card-text {
      padding: 10px 22px;
      font-size: .9rem;
    }
    footer {padding: 2rem 1rem 1.5rem;}
    .footer-logos {display: block;}
    .logo-item img {max-height: 60px;}
    .ligue-logo img {max-height: 66px;}
  }
  
  @media (max-width: 440px) {
    .breadcrumb {
      top: 10px;
      left: 10px;
      font-size: 0.75rem;
      padding: 0.2rem 0.6rem;
      max-width: 65%;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    h1 {font-size: 2rem;}
    .intro {margin-top: -7rem;}
    .card-text {
      padding: 10px;
      font-size: .8rem;
    }
    .license-code {display: none;}
    .footer-logos {gap: 2rem;}
    .logo-item img {max-height: 50px;}
    .ligue-logo img {max-height: 55px;}
  }
  
  @media (hover: none) {
    .session-card:hover {transform: none;}
    .session-card:active {transform: scale(0.98);}
  }