/* ===== CSS Variables ===== */
:root {
    --color-primary: #1a8a8a;
    --color-primary-light: #2ab3b3;
    --color-primary-dark: #146b6b;
    --color-secondary: #e07b5a;
    --color-secondary-light: #f09070;
    --color-accent: #2c5282;
    --color-bg: #faf9f7;
    --color-bg-alt: #ffffff;
    --color-text: #2d3748;
    --color-text-light: #718096;
    --color-text-lighter: #a0aec0;
    --color-border: #e2e8f0;
    --color-success: #48bb78;
    --color-warning: #ed8936;
    --color-danger: #e53e3e;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    --transition: all 0.2s ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 600;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    text-align: center;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-light);
    font-size: 1.125rem;
    margin-bottom: 3rem;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 45px;
    height: 45px;
    color: var(--color-primary);
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 0.02em;
}

.logo-subtitle {
    font-size: 0.7rem;
    color: var(--color-text-light);
    letter-spacing: 0.01em;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    color: var(--color-text);
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition);
}

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

.nav-link-cta {
    background: var(--color-secondary);
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
}

.nav-link-cta::after {
    display: none;
}

.nav-link-cta:hover {
    background: var(--color-secondary-light);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    padding: 8rem 0 5rem;
    background: linear-gradient(135deg, var(--color-bg) 0%, #e8f4f4 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: var(--color-primary);
    color: white;
    padding: 0.375rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: 2.5rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2.5rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.hero-decoration {
    position: absolute;
    top: 50%;
    right: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(26, 138, 138, 0.1) 0%, transparent 70%);
    transform: translateY(-50%);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--color-primary);
    color: white;
}

/* ===== Engagements Section ===== */
.engagements {
    padding: 5rem 0;
    background: var(--color-bg-alt);
}

.engagements-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.engagement-card {
    text-align: center;
    padding: 2rem;
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    transition: var(--transition);
}

.engagement-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.engagement-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.engagement-icon svg {
    width: 30px;
    height: 30px;
    color: white;
}

.engagement-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    color: var(--color-accent);
}

.engagement-card p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

/* ===== Filters ===== */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.search-input,
.filter-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    transition: var(--transition);
}

.search-input:focus,
.filter-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 138, 138, 0.1);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9375rem;
    padding: 0.75rem 0;
}

.checkbox-label input {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    position: relative;
    transition: var(--transition);
}

.checkbox-label input:checked + .checkmark {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-label input:checked + .checkmark::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* ===== Conferences Section ===== */
.conferences {
    padding: 5rem 0;
}

.conferences-container {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.conference-category {
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.category-header {
    background: linear-gradient(135deg, var(--color-accent) 0%, #3a6faa 100%);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: stretch;
    transition: var(--transition);
    overflow: hidden;
}

.category-header:hover {
    background: linear-gradient(135deg, #3a6faa 0%, var(--color-accent) 100%);
}

.category-header-image {
    width: 120px;
    min-width: 120px;
    height: 80px;
    overflow: hidden;
    flex-shrink: 0;
}

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

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

.category-header-content {
    flex: 1;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.category-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.category-count {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
}

.category-toggle {
    width: 24px;
    height: 24px;
    transition: var(--transition);
}

.category-header.active .category-toggle {
    transform: rotate(180deg);
}

.category-description {
    padding: 1rem 2rem;
    background: rgba(44, 82, 130, 0.05);
    font-size: 0.9375rem;
    color: var(--color-text-light);
    border-bottom: 1px solid var(--color-border);
}

.category-items {
    display: none;
}

.category-items.active {
    display: block;
}

/* Grille de cartes style MOOC */
.conference-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.5rem;
    padding: 1.5rem;
}

.conference-card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
}

.conference-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.conference-card-image {
    width: 100%;
    height: 160px;
    overflow: hidden;
    position: relative;
}

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

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

.conference-card-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    color: white;
}

.conference-card-image-placeholder svg {
    width: 48px;
    height: 48px;
    opacity: 0.8;
}

.conference-card-badges {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    display: flex;
    gap: 0.5rem;
}

.conference-card-content {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.conference-card-title {
    font-family: var(--font-serif);
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.conference-card-subtitle {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    font-style: italic;
    margin-bottom: 0.5rem;
}

.conference-card-footer {
    margin-top: auto;
    padding-top: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.conference-card-action {
    font-size: 0.8125rem;
    color: var(--color-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.conference-card-action svg {
    width: 16px;
    height: 16px;
    transition: transform 0.2s ease;
}

.conference-card:hover .conference-card-action svg {
    transform: translateX(3px);
}

.conference-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.conference-card:hover .conference-card-overlay {
    opacity: 1;
}

.conference-card-overlay .conference-card-action {
    background: white;
    color: var(--color-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
}

.conference-card {
    position: relative;
}

.conference-card-badges {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
}

/* Legacy styles for backwards compatibility */
.conference-badges {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.badge {
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.badge-new {
    background: var(--color-success);
    color: white;
}

.badge-sensitive {
    background: var(--color-warning);
    color: white;
}

.conference-item-description {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.5;
}

/* ===== Ateliers Section ===== */
.ateliers {
    padding: 5rem 0;
    background: var(--color-bg-alt);
}

.ateliers-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.atelier-category {
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.atelier-category-header {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #d86b4a 100%);
    color: white;
    display: flex;
    align-items: stretch;
    overflow: hidden;
}

.atelier-category-header-image {
    width: 100px;
    min-width: 100px;
    height: 70px;
    overflow: hidden;
    flex-shrink: 0;
}

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

.atelier-category-header:hover .atelier-category-header-image img {
    transform: scale(1.05);
}

.atelier-category-header-content {
    flex: 1;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
}

.atelier-category-title {
    font-size: 1.125rem;
    font-weight: 600;
}

.atelier-items {
    padding: 1.5rem;
}

/* Grille de cartes pour ateliers */
.atelier-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.5rem;
    padding: 1.5rem;
}

.atelier-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
}

.atelier-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-secondary);
}

.atelier-card-image {
    width: 100%;
    height: 140px;
    overflow: hidden;
    position: relative;
}

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

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

.atelier-card-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-secondary-light) 0%, var(--color-secondary) 100%);
    color: white;
}

.atelier-card-image-placeholder svg {
    width: 48px;
    height: 48px;
    opacity: 0.8;
}

.atelier-card-content {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.atelier-card-title {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.atelier-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.atelier-card-meta span {
    font-size: 0.75rem;
    color: var(--color-text-lighter);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.atelier-card-meta svg {
    width: 12px;
    height: 12px;
}

.atelier-card-footer {
    margin-top: auto;
    padding-top: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.atelier-card-action {
    font-size: 0.8125rem;
    color: var(--color-secondary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.atelier-card-action svg {
    width: 16px;
    height: 16px;
    transition: transform 0.2s ease;
}

.atelier-card:hover .atelier-card-action svg {
    transform: translateX(3px);
}

.atelier-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.atelier-card:hover .atelier-card-overlay {
    opacity: 1;
}

.atelier-card-overlay .atelier-card-action {
    background: white;
    color: var(--color-secondary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
}

.atelier-card {
    position: relative;
}

.atelier-card-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    color: var(--color-text-light);
}

/* Legacy atelier item styles */
.atelier-item-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.atelier-item-description {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: 0.75rem;
}

.atelier-item-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    font-size: 0.8125rem;
    color: var(--color-text-lighter);
}

.atelier-item-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.atelier-item-meta svg {
    width: 14px;
    height: 14px;
}

/* ===== Contact Section ===== */
.contact {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact .section-title {
    color: white;
}

.contact-description {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    font-size: 1.125rem;
}

.contact-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.contact-link svg {
    width: 24px;
    height: 24px;
}

/* ===== Footer ===== */
.footer {
    padding: 3rem 0;
    background: var(--color-accent);
    color: white;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.5rem;
}

.footer-brand .logo-title {
    color: white;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    font-size: 0.875rem;
    opacity: 0.8;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
}

.footer-copyright {
    font-size: 0.875rem;
    opacity: 0.6;
}

/* ===== Modal ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    padding: 2rem;
    overflow-y: auto;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.modal-content {
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    max-width: 700px;
    width: 100%;
    margin-top: 5rem;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--color-bg);
    border-radius: var(--radius-full);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 1;
}

.modal-close:hover {
    background: var(--color-border);
}

.modal-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

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

.modal-header {
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
    padding-right: 2rem;
}

.modal-header .subtitle {
    color: var(--color-text-light);
    font-style: italic;
}

.modal-badges {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.modal-body {
    padding: 1.5rem 2rem 2rem;
}

.modal-body p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: 1.5rem;
}

.modal-category {
    display: inline-block;
    background: var(--color-bg);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.modal-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.modal-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

.modal-meta-item svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .engagements-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .ateliers-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
    }

    .nav.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-stats {
        gap: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .hero-actions {
        flex-direction: column;
    }

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

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

    .filters {
        flex-direction: column;
    }

    .filter-group {
        min-width: 100%;
    }

    .category-header-content {
        padding: 1rem 1.5rem;
    }

    .category-header-image {
        width: 80px;
        min-width: 80px;
        height: 60px;
    }

    .category-items {
        padding: 1rem;
    }

    .atelier-category-header-image {
        width: 70px;
        min-width: 70px;
        height: 55px;
    }

    .atelier-category-header-content {
        padding: 1rem;
    }

    .conference-item {
        padding: 1rem;
        flex-direction: column;
    }

    .conference-item-image {
        width: 100%;
        height: 140px;
    }

    .atelier-item {
        flex-direction: column;
    }

    .atelier-item-image {
        width: 100%;
        height: 120px;
    }

    .modal-content {
        margin-top: 2rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .logo-subtitle {
        display: none;
    }

    .hero {
        padding: 6rem 0 3rem;
    }

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

    .hero-description {
        font-size: 1rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .conference-item-header {
        flex-direction: column;
        gap: 0.5rem;
    }

    .conference-badges {
        align-self: flex-start;
    }
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.conference-category,
.atelier-category,
.engagement-card {
    animation: fadeInUp 0.5s ease forwards;
}

/* ===== No Results ===== */
.no-results {
    text-align: center;
    padding: 3rem;
    color: var(--color-text-light);
}

.no-results svg {
    width: 60px;
    height: 60px;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.no-results h3 {
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

/* ===== Theme Tags ===== */
.theme-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.theme-tag {
    padding: 0.25rem 0.625rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--color-text-light);
}

/* ===== Floating Navigation ===== */
.floating-nav {
    position: fixed;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1050;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.floating-nav-btn {
    display: flex;
    align-items: center;
    flex-direction: row-reverse;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text);
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    width: 48px;
}

.floating-nav-btn svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--color-primary);
}

.floating-nav-btn span {
    opacity: 0;
    max-width: 0;
    transition: all 0.3s ease;
    font-size: 0.875rem;
    font-weight: 500;
}

.floating-nav-btn:hover {
    width: auto;
    padding-left: 1rem;
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.floating-nav-btn:hover svg {
    color: white;
}

.floating-nav-btn:hover span {
    opacity: 1;
    max-width: 150px;
}

.floating-nav-btn:nth-child(1):hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.floating-nav-btn:nth-child(2):hover {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
}

.floating-nav-btn:nth-child(4):hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.floating-nav-btn.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.floating-nav-btn.active svg {
    color: white;
}

.floating-nav-btn:nth-child(1).active {
    background: #666;
    border-color: #666;
}

.floating-nav-btn:nth-child(2).active {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.floating-nav-btn:nth-child(3).active {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
}

.floating-nav-btn:nth-child(4).active {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

/* ===== Pages System ===== */
.page {
    display: none;
}

.page.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

/* Page Headers */
.page-header {
    padding: 6rem 0 3rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    margin-top: 70px;
}

.page-header.conferences-header {
    background: linear-gradient(135deg, var(--color-accent) 0%, #2a5a8a 100%);
}

.page-header.ateliers-header {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #c85a3a 100%);
}

.page-header.parcours-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    transition: color 0.2s ease;
}

.back-link:hover {
    color: white;
}

.page-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.page-subtitle {
    font-size: 1.125rem;
    opacity: 0.9;
}

/* Offers Preview */
.offers-preview {
    padding: 5rem 0;
    background: var(--color-bg);
}

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

.offer-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

.offer-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.offer-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.offer-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.offer-card h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}

.offer-card p {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.offer-cta {
    color: var(--color-primary);
    font-weight: 600;
    transition: color 0.2s ease;
}

.offer-card:hover .offer-cta {
    color: var(--color-accent);
}

/* Parcours Navigation */
.parcours-nav {
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 70px;
    z-index: 100;
}

.parcours-nav-links {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding: 1rem 0;
    -webkit-overflow-scrolling: touch;
}

.parcours-nav-link {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    text-decoration: none;
    color: var(--color-text-light);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    transition: var(--transition);
}

.parcours-nav-link:hover,
.parcours-nav-link.active {
    background: var(--color-primary);
    color: white;
}

/* Parcours Sections */
.parcours-section {
    padding: 4rem 0;
}

.parcours-section-alt {
    background: var(--color-bg);
}

.parcours-content {
    max-width: 800px;
}

.parcours-content h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--color-accent);
    margin: 2rem 0 1rem;
}

.parcours-content p {
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.parcours-content ul {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.parcours-content li {
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

/* Intervenants Grid */
.intervenants-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.intervenant-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.intervenant-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.intervenant-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
    font-size: 2rem;
    font-weight: 700;
}

.intervenant-name {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--color-accent);
    margin-bottom: 0.25rem;
}

.intervenant-role {
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.intervenant-description {
    color: var(--color-text-light);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* ===== Modules/Parcours Section ===== */
.modules {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f0f7f7 0%, #e8f0f5 100%);
}

.parcours-intro {
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--color-primary);
}

.parcours-intro h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.parcours-intro p {
    font-size: 1.0625rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.parcours-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.parcours-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    color: white;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-full);
}

.modules-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.module-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: relative;
}

.module-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.module-card-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.module-card-number {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
    flex-shrink: 0;
}

.module-card-id {
    font-size: 0.75rem;
    opacity: 0.8;
    font-weight: 500;
}

.module-card-content {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.module-card-title {
    font-family: var(--font-serif);
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.module-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.module-card-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

.module-card-meta svg {
    width: 14px;
    height: 14px;
    color: var(--color-primary);
}

.module-card-description {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.5;
    flex: 1;
}

.module-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.module-card:hover .module-card-overlay {
    opacity: 1;
}

.module-card-overlay .module-card-action {
    background: white;
    color: var(--color-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
}

/* ===== Sidebar ===== */
.sidebar-toggle {
    display: none; /* Remplacé par la floating nav */
    position: fixed;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1100;
    width: 48px;
    height: 48px;
    border: none;
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.sidebar-toggle:hover {
    background: var(--color-primary-dark);
    transform: translateY(-50%) scale(1.05);
}

.sidebar-toggle.hidden {
    opacity: 0;
    pointer-events: none;
}

.sidebar-toggle svg {
    width: 24px;
    height: 24px;
}

.sidebar {
    position: fixed;
    top: 70px;
    left: 0;
    width: 280px;
    height: calc(100vh - 70px);
    background: var(--color-bg-alt);
    z-index: 999;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
    border-right: 1px solid var(--color-border);
}

.sidebar.active {
    transform: translateX(0);
}

/* Shift main content when sidebar is open */
body.sidebar-open {
    padding-left: 280px;
    transition: padding-left 0.3s ease;
}

body.sidebar-open .header {
    padding-left: 280px;
}

body.sidebar-open .sidebar-toggle {
    left: 290px;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
}

.sidebar-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
}

.sidebar-close {
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.sidebar-close:hover {
    background: rgba(255, 255, 255, 0.25);
}

.sidebar-close svg {
    width: 20px;
    height: 20px;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0;
}

.sidebar-section {
    margin-bottom: 1.5rem;
}

.sidebar-section-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
}

.sidebar-section-title svg {
    width: 16px;
    height: 16px;
}

.sidebar-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-links li {
    margin: 0;
}

.sidebar-links a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    color: var(--color-text);
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.sidebar-links a:hover {
    background: var(--color-bg);
    border-left-color: var(--color-primary);
    color: var(--color-primary);
}

.sidebar-links a .link-count {
    margin-left: auto;
    font-size: 0.75rem;
    padding: 0.125rem 0.5rem;
    background: var(--color-bg);
    border-radius: var(--radius-full);
    color: var(--color-text-light);
}

.sidebar-links a:hover .link-count {
    background: var(--color-primary);
    color: white;
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.sidebar-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: var(--color-secondary);
    color: white;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.sidebar-cta:hover {
    background: var(--color-secondary-light);
    transform: translateY(-2px);
}

.sidebar-cta svg {
    width: 20px;
    height: 20px;
}

.sidebar-overlay {
    display: none;
}

/* Adjust sidebar on mobile - no content shift */
@media (max-width: 1024px) {
    body.sidebar-open {
        padding-left: 0;
    }

    body.sidebar-open .header {
        padding-left: 0;
    }

    body.sidebar-open .sidebar-toggle {
        left: 1rem;
        opacity: 0;
        pointer-events: none;
    }

    .sidebar {
        box-shadow: var(--shadow-xl);
    }
}

@media (max-width: 768px) {
    .sidebar-toggle {
        left: 0.75rem;
        width: 42px;
        height: 42px;
    }

    .sidebar-toggle svg {
        width: 20px;
        height: 20px;
    }

    .sidebar {
        width: 260px;
    }

    .floating-nav {
        right: 0.5rem;
        gap: 0.5rem;
    }

    .floating-nav-btn {
        width: 40px;
        padding: 0.5rem;
    }

    .floating-nav-btn svg {
        width: 20px;
        height: 20px;
    }

    .parcours-intro {
        padding: 1.5rem;
    }

    .modules-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .sidebar-toggle {
        bottom: 1.5rem;
        top: auto;
        transform: none;
    }

    .sidebar-toggle:hover {
        transform: scale(1.05);
    }

    .sidebar {
        width: 100%;
    }

    .floating-nav {
        bottom: 1.5rem;
        top: auto;
        transform: none;
        flex-direction: row;
        left: 50%;
        transform: translateX(-50%);
    }

    .floating-nav-btn span {
        display: none;
    }

    .floating-nav-btn:hover {
        width: 40px;
        padding: 0.5rem;
    }
}