/* ==========================================
   DESIGN INSTITUTIONNEL - Style Revue Scientifique (Airparif)
   ========================================== */

:root {
    /* Couleurs institutionnelles */
    --institutional-blue: #0055a4;
    --institutional-blue-dark: #003d7a;
    --institutional-text: #333333;
    --institutional-gray: #666666;
    --institutional-light-gray: #f5f5f5;
    --institutional-border: #dddddd;

    /* Typographie institutionnelle */
    --font-institutional: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
}

body {
    font-family: var(--font-institutional) !important;
    background: #ffffff !important;
    color: var(--institutional-text) !important;
    line-height: 1.6 !important;
    font-size: 16px !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow-x: hidden !important;
}

/* Suppression du background fancy */
.background-gradient {
    background: #ffffff !important;
    background-image: none !important;
}

/* ==========================================
   LAYOUT ÉDITORIAL - Animation puis 2 colonnes
   ========================================== */

/* Section animée des masques prend toute la largeur */
.header,
.canvas {
    display: block !important;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.header {
    text-align: center;
    padding-top: 0;
    margin-top: 0;
}

.canvas {
    min-height: 55vh;
    position: relative;
    margin-bottom: 12rem;
    margin-top: 0;
}


/* Container 2 colonnes commence après */
.container {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 3rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem 2rem 2rem;
}

/* ==========================================
   SOMMAIRE LATÉRAL FIXE
   ========================================== */

.sidebar-sommaire {
    position: sticky;
    top: 2rem;
    height: fit-content;
    background: var(--institutional-light-gray);
    border: 1px solid var(--institutional-border);
    padding: 1.5rem;
    border-radius: 0;
}

.sidebar-sommaire h2 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    color: var(--institutional-text);
    margin: 0 0 1rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--institutional-blue);
}

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

.sidebar-sommaire li {
    margin-bottom: 0.75rem;
}

.sidebar-sommaire a {
    color: var(--institutional-blue);
    text-decoration: none;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.2s;
}

.sidebar-sommaire a:hover {
    color: var(--institutional-blue-dark);
    text-decoration: underline;
}

.sidebar-sommaire a::before {
    content: '●';
    font-size: 0.6rem;
    color: var(--institutional-blue);
}

/* Références dans le sommaire */
.sidebar-references {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--institutional-border);
}

.sidebar-references h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--institutional-text);
    margin-bottom: 0.75rem;
}

.sidebar-references ul {
    list-style: none;
    padding: 0;
}

.sidebar-references li {
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
}

.sidebar-references a {
    color: var(--institutional-gray);
    font-size: 0.8rem;
}

.sidebar-references a::before {
    display: none;
}

/* ==========================================
   CONTENU PRINCIPAL
   ========================================== */

.main-content {
    background: white;
    padding: 0;
}

/* Titre principal */
.scientific-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--institutional-text);
    margin: 0 0 0.5rem 0;
    line-height: 1.2;
}

.scientific-subtitle {
    font-size: 1.15rem;
    color: var(--institutional-gray);
    margin: 0 0 2rem 0;
    line-height: 1.5;
    font-weight: 400;
}

/* Sections scientifiques */
.scientific-section {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--institutional-border);
}

.scientific-section:last-child {
    border-bottom: none;
}

.scientific-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--institutional-blue);
    margin: 0 0 1.5rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--institutional-blue);
}

.scientific-section h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--institutional-text);
    margin: 1.5rem 0 1rem 0;
}

.scientific-section p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--institutional-text);
    margin-bottom: 1rem;
    text-align: justify;
}

.scientific-section strong {
    font-weight: 600;
    color: var(--institutional-text);
}

/* Listes */
.scientific-section ul {
    margin: 1rem 0 1rem 1.5rem;
    padding: 0;
}

.scientific-section li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* Encadrés informatifs */
.info-box {
    background: var(--institutional-light-gray);
    border-left: 4px solid var(--institutional-blue);
    padding: 1.25rem 1.5rem;
    margin: 1.5rem 0;
}

.info-box h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--institutional-blue);
    margin: 0 0 0.75rem 0;
}

.info-box p {
    margin: 0;
    font-size: 0.95rem;
    text-align: left;
}

/* Schémas scientifiques */
.scientific-diagram {
    margin: 2rem 0;
    padding: 1.5rem;
    background: #fafafa;
    border: 1px solid var(--institutional-border);
    text-align: center;
}

.scientific-diagram img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

.diagram-caption {
    font-size: 0.9rem;
    color: var(--institutional-gray);
    margin-top: 1rem;
    font-style: italic;
    text-align: center;
}

/* Tableaux */
.scientific-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.95rem;
    max-width: 100%;
    display: block;
    overflow-x: auto;
}

.scientific-table thead,
.scientific-table tbody,
.scientific-table tr {
    display: table;
    width: 100%;
    table-layout: fixed;
}

.scientific-table th {
    background: var(--institutional-blue);
    color: white;
    padding: 0.75rem;
    text-align: left;
    font-weight: 600;
}

.scientific-table td {
    padding: 0.75rem;
    border: 1px solid var(--institutional-border);
}

.scientific-table tr:nth-child(even) {
    background: var(--institutional-light-gray);
}

/* Chiffres clés */
.key-numbers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.key-number {
    background: white;
    border: 1px solid var(--institutional-border);
    padding: 1.25rem;
    text-align: center;
}

.key-number-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--institutional-blue);
    line-height: 1;
    display: block;
    margin-bottom: 0.5rem;
}

.key-number-label {
    font-size: 0.9rem;
    color: var(--institutional-gray);
}

/* Suppression des styles fancy */
.viz-container,
.understanding-section,
.health-details-section,
.solutions-section {
    background: white !important;
    border: 1px solid var(--institutional-border) !important;
    border-left: 4px solid var(--institutional-blue) !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    padding: 1.5rem !important;
    margin-bottom: 2rem !important;
}

.viz-container h3,
.understanding-section h3,
.health-details-section h3,
.solutions-section h3 {
    font-family: var(--font-institutional) !important;
    font-size: 1.35rem !important;
    font-weight: 700 !important;
    color: var(--institutional-blue) !important;
    border-bottom: 2px solid var(--institutional-blue) !important;
    padding-bottom: 0.5rem !important;
    margin-bottom: 1.5rem !important;
}

/* Suppression des badges numérotés */
.understanding-section h3::before,
.health-details-section h3::before,
.solutions-section h3::before {
    display: none !important;
}

/* Responsive */
@media (max-width: 1024px) {
    .container {
        grid-template-columns: 1fr;
    }

    .sidebar-sommaire {
        position: relative;
        top: 0;
        margin-bottom: 2rem;
    }
}


/* Footer institutionnel */
.footer {
    background: var(--institutional-light-gray);
    border-top: 2px solid var(--institutional-blue);
    padding: 2rem;
    margin-top: 4rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--institutional-gray);
}