/* variables de la charte zen & expert (SDBioHabitat) */
:root {
    --color-primary: #5cad47;
    --color-primary-dark: #3f7831;
    --color-secondary: #8da399;
    --color-secondary-dark: #667b72;
    --color-background: #fdfaf5;
    --color-surface: #ffffff;
    --color-text: #2c3e50;
    --color-text-muted: #5d6d7e;
    
    /* couleurs d'alerte ou de perturbation */
    --color-danger: #d35400; /* orange foncé terne plutôt que rouge agressif */
    --color-info: #3498db;
    
    --shadow-md: 0 4px 6px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 20px rgba(0,0,0,0.08);
}

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

/* correctifs de taille par defaut pour icones lucide */
svg.lucide {
    width: 24px;
    height: 24px;
    display: inline-block;
}

.icone-petite.lucide {
    width: 18px;
    height: 18px;
}

.icone-grand.lucide {
    width: 32px;
    height: 32px;
}

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

h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    color: var(--color-primary-dark);
    margin-bottom: 16px;
    font-weight: 700;
}

.conteneur {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
}

/* utilitaires */
.text-centre { text-align: center; }
.fond-lin { background-color: var(--color-background); border-top: 1px solid rgba(92, 173, 71, 0.1); border-bottom: 1px solid rgba(92, 173, 71, 0.1); }

/* entete */
.entete {
    background-color: var(--color-surface);
    padding: 16px 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo-lien {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-principal {
    height: 50px;
    margin-right: 12px;
}

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

.nom-logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: var(--color-primary-dark);
    font-size: 1.1rem;
    line-height: 1.2;
}

.titre-logo {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* boutons */
.bouton-primaire, .bouton-secondaire, .bouton-fantome {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
}

.bouton-primaire {
    background-color: var(--color-primary);
    color: var(--color-surface);
    box-shadow: var(--shadow-md);
}

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

.bouton-secondaire {
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.bouton-secondaire:hover {
    background-color: rgba(92, 173, 71, 0.05);
}

.bouton-fantome {
    background-color: transparent;
    color: var(--color-text-muted);
    border: 1px dashed var(--color-secondary);
}

.bouton-fantome:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.icone-petite {
    width: 18px;
    height: 18px;
}

/* sections */
.section-hero {
    padding: 80px 0 40px;
    text-align: center;
}

.section-hero h1 {
    font-size: 2.5rem;
    max-width: 800px;
    margin: 0 auto 24px;
}

.sous-titre {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto;
}

/* interactivité */
.section-interactive {
    padding: 40px 0 80px;
}

.titre-section {
    text-align: center;
    margin-bottom: 40px;
}

.tag {
    display: inline-block;
    padding: 4px 12px;
    background-color: rgba(92, 173, 71, 0.1);
    color: var(--color-primary-dark);
    border-radius: 16px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.tableau-interactif {
    background-color: var(--color-surface);
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(92, 173, 71, 0.1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.conteneur-svg {
    width: 100%;
    background-color: #f8fafc;
    border-bottom: 1px solid rgba(92, 173, 71, 0.1);
    position: relative;
}

svg {
    width: 100%;
    height: auto;
    display: block;
}

/* animations svg */
.flux-mouvant {
    stroke-dasharray: 12;
    animation: defilement-flux 1.5s linear infinite;
}

@keyframes defilement-flux {
    to { stroke-dashoffset: -24; }
}

.pulsation-stress {
    transform-origin: center;
    animation: battement-stress 2s ease-in-out infinite;
}

@keyframes battement-stress {
    0%, 100% { opacity: 0.4; transform: scale(0.9); }
    50% { opacity: 0.7; transform: scale(1.1); }
}

.pulsation-calme {
    transform-origin: center;
    animation: battement-calme 3s ease-in-out infinite;
}

@keyframes battement-calme {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
}

.clignotement-rapide {
    animation: scintillement 0.5s infinite alternate;
}

@keyframes scintillement {
    from { opacity: 0.4; }
    to { opacity: 1; }
}

/* etats modules */
.module-cache {
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-origin: center;
}

.module-visible {
    opacity: 1;
    transform: scale(1);
}

.bouton-clic:hover {
    fill: rgba(92, 173, 71, 0.1);
    stroke-width: 3;
}

/* panneau etat */
.panneau-etat {
    padding: 32px;
    background: linear-gradient(to right, var(--color-surface), #fdfdfd);
}

.statut-titre {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.statut-titre h3 {
    margin-bottom: 0;
    font-size: 1.2rem;
    color: var(--color-danger);
    transition: color 0.5s ease;
}

.icone-statut {
    color: var(--color-danger);
    transition: color 0.5s ease;
}

#description_etat_global {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.jauge-progression {
    width: 100%;
    height: 8px;
    background-color: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
}

.remplissage-jauge {
    height: 100%;
    width: 0%;
    background-color: var(--color-danger);
    transition: width 0.5s ease, background-color 0.5s ease;
}

/* textes et blocs */
.section-texte {
    padding: 60px 0;
}

.grille-texte {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.carte-aquarium {
    background-color: var(--color-surface);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.aquarium-texte {
    padding: 24px;
}

/* animation de la carte scenario faille/antenne */
.carte-scenario-maison {
    margin-top: 24px;
    border-radius: 12px;
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.05);
    border: 1px solid rgba(92, 173, 71, 0.2);
    overflow: hidden;
    background-color: var(--color-surface);
}

.anim-onde-air-1, .anim-onde-air-2, .anim-onde-air-3 {
    animation: onde-aerienne 6s infinite;
    transform-origin: 0 0;
    opacity: 0;
}
.anim-onde-air-2 { animation-delay: 0.2s; }
.anim-onde-air-3 { animation-delay: 0.4s; }

@keyframes onde-aerienne {
    0%, 30% { opacity: 0; transform: scale(0.5); }
    35% { opacity: 1; }
    55% { opacity: 0; transform: scale(4) translate(25px, 15px); }
    100% { opacity: 0; }
}

.anim-onde-terre {
    animation: onde-terre 6s infinite ease-out;
}
@keyframes onde-terre {
    0%, 30% { stroke-dashoffset: 200; opacity: 0; }
    35% { opacity: 1; stroke-dashoffset: 200; }
    55% { stroke-dashoffset: 0; opacity: 1; }
    65%, 100% { stroke-dashoffset: 0; opacity: 0; }
}

.anim-faille-eclair {
    animation: faille-reaction 6s infinite;
}

@keyframes faille-reaction {
    0%, 55% { stroke: #bdc3c7; }
    60%, 80% { stroke: #e74c3c; filter: drop-shadow(0 0 5px #e74c3c); }
    100% { stroke: #bdc3c7; }
}

.anim-repercussion-interne {
    animation: onde-repercussion 6s infinite;
    transform-origin: 180px 125px; /* centre de la repercussion dans le modele 3d */
    opacity: 0;
}

.anim-repercussion-interne:nth-child(1) { animation-delay: 0s; }
.anim-repercussion-interne:nth-child(2) { animation-delay: 0.2s; }
.anim-repercussion-interne:nth-child(3) { animation-delay: 0.4s; }

@keyframes onde-repercussion {
    0%, 55% { opacity: 0; transform: scale(0.5); }
    65% { opacity: 1; }
    85% { opacity: 0; transform: scale(1.6); }
    100% { opacity: 0; }
}

.anim-fleche-incitative {
    animation: rebond-fleche 1.5s infinite ease-in-out;
}

@keyframes rebond-fleche {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.carte-blanche {
    background-color: var(--color-surface);
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    text-align: center;
}

.expert-block {
    display: flex;
    gap: 24px;
    background-color: var(--color-surface);
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    margin-bottom: 24px;
}

.expert-icon {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    background-color: rgba(92, 173, 71, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icone-vert {
    color: var(--color-primary);
    margin-right: 8px;
    vertical-align: middle;
}

.icone-grand {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

/* faq */
.faq-conteneur {
    max-width: 800px;
    margin: 0 auto;
}

.faq-liste {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background-color: var(--color-surface);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 20px 24px;
    background: none;
    border: none;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--color-primary-dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: rgba(92, 173, 71, 0.05);
}

.faq-icone {
    transition: transform 0.3s ease;
    color: var(--color-primary);
}

.faq-reponse {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-reponse p {
    padding: 0 24px 24px 24px;
    color: var(--color-text-muted);
}

.faq-item.ouvert .faq-icone {
    transform: rotate(180deg);
}

.lien-telephone {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text);
    text-decoration: none;
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.lien-telephone:hover {
    color: var(--color-primary);
}

.style-marge-haute {
    margin-top: 16px;
}

.section-conclusion {
    padding: 80px 0;
}

.pied-de-page {
    padding: 32px 0;
    background-color: var(--color-surface);
    color: var(--color-text-muted);
    font-size: 0.85rem;
    border-top: 1px solid rgba(92, 173, 71, 0.1);
}

/* responsive */
@media (max-width: 768px) {
    .grille-texte {
        grid-template-columns: 1fr;
    }
    .section-hero h1 {
        font-size: 1.8rem;
    }
    .contenu-entete {
        flex-direction: column;
        gap: 16px;
    }
    .expert-block {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

/* sélecteur de langue bilingue */
.groupe-entete-droite {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-selector {
    display: flex;
    gap: 4px;
    background: rgba(92, 173, 71, 0.1);
    padding: 6px;
    border-radius: 9999px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

.lang-btn {
    padding: 8px 16px;
    border-radius: 9999px;
    border: none;
    cursor: pointer;
    background: transparent;
    font-weight: 700;
    font-size: 16px;
    color: var(--color-text-muted);
    transition: all 0.3s ease;
}

.lang-btn.active {
    background: var(--color-primary);
    color: var(--color-surface);
    box-shadow: 0 4px 8px rgba(92, 173, 71, 0.3);
}

/* styles pour la page failles et santé */
.en-tete-infographie {
    text-align: center;
    padding: 60px 0 40px;
}

.en-tete-infographie h1 {
    font-size: 2.8rem;
    margin-bottom: 16px;
}

.grille-infographie {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.carte-infographie {
    background-color: var(--color-surface);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(92, 173, 71, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.carte-infographie:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.carte-infographie h2, .carte-infographie h3 {
    color: var(--color-primary-dark);
}

.carte-infographie ul {
    list-style-type: none;
    padding-left: 0;
    margin-top: 16px;
}

.carte-infographie li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    color: var(--color-text);
}

.carte-infographie li::before {
    content: "•";
    color: var(--color-primary);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 8px;
    top: -4px;
}

.fs-types-failles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 20px 0;
}

.fs-type-item {
    background-color: var(--color-background);
    padding: 16px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid rgba(92, 173, 71, 0.1);
}

.fs-type-item strong {
    display: block;
    color: var(--color-primary-dark);
    margin-bottom: 4px;
}

.fs-type-item span {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.fs-section-image {
    background-color: var(--color-surface);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(92, 173, 71, 0.08);
    margin-bottom: 32px;
}

.fs-image {
    width: 100%;
    max-height: 450px;
    object-fit: contain;
    border-radius: 12px;
    display: block;
}

.fs-legende {
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-top: 12px;
    font-style: italic;
}

.fs-bouton-retour {
    margin: 40px auto 0;
    display: inline-flex;
}

@media (max-width: 768px) {
    .en-tete-infographie h1 {
        font-size: 2rem;
    }
    .fs-types-failles {
        grid-template-columns: 1fr;
    }
}

/* Animations pour l'infographie failles-et-sante */
.fs-anim-terre {
    background-color: #fdfaf5;
    border-radius: 16px;
    padding: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 250px;
    position: relative;
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.05);
    margin-top: 24px;
}

.fs-svg-terre {
    width: 100%;
    max-width: 200px;
}

@keyframes rotate-core { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes pulse-glow { 0%, 100% { filter: drop-shadow(0 0 10px #f1c40f); opacity: 0.8; } 50% { filter: drop-shadow(0 0 20px #d35400); opacity: 1; } }
@keyframes flow-line { 0% { stroke-dashoffset: 100; } 100% { stroke-dashoffset: 0; } }

.fs-anim-rotate { animation: rotate-core 25s linear infinite; transform-origin: center; }
.fs-anim-core-glow { animation: pulse-glow 3s ease-in-out infinite; }
.fs-anim-flow { animation: flow-line 6s linear infinite; }
/* .fs-anim-pulse est déjà définie par battement-stress ou similaire mais on s'assure qu'elle marche : */
.fs-anim-pulse { animation: battement-stress 2s ease-in-out infinite; transform-origin: center; }

.fs-anim-acupuncture {
    background-color: #fdfaf5;
    border-radius: 16px;
    padding: 0;
    position: relative;
    width: 100%;
    padding-bottom: 50%;
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.05);
    border: 1px solid rgba(92, 173, 71, 0.1);
    overflow: hidden;
    margin-top: 24px;
}

.fs-svg-acupuncture {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Section 4 : Résonance Habitat */
.fs-sec4-bg {
    background-color: #223026;
    border-radius: 48px;
    padding: 40px 56px;
    color: #ffffff;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    border-bottom: 12px solid var(--color-primary-dark);
    margin-top: 48px;
    margin-bottom: 48px;
}

.fs-sec4-contenu {
    position: relative;
    z-index: 10;
}

.fs-sec4-titre {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    gap: 16px;
    color: #ffffff;
}

.fs-sec4-icone-titre {
    color: #f1c40f;
    width: 36px;
    height: 36px;
}

.fs-sec4-sous-titre {
    color: #a7c9b8;
    font-size: 1.25rem;
    margin-bottom: 48px;
    max-width: 700px;
    line-height: 1.6;
}

.fs-sec4-grille {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.fs-sec4-carte {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 32px;
    border-radius: 32px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: background-color 0.3s ease;
}

.fs-sec4-carte:hover {
    background: rgba(255, 255, 255, 0.1);
}

.fs-sec4-carte h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: #f1c40f;
}

.fs-sec4-carte p {
    color: #d1e5db;
    font-size: 1.125rem;
    line-height: 1.6;
    font-weight: 300;
}

/* Section 5 : Impacts */
.fs-sec5-conteneur {
    margin-top: 48px;
    margin-bottom: 48px;
}

.fs-entete-icone {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
}

.fs-pastille {
    padding: 12px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.fs-pastille-orange {
    background-color: var(--color-danger);
    color: #ffffff;
}

.fs-entete-icone h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
}

.fs-sec5-grille {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.fs-sec5-carte {
    padding: 32px;
    background-color: #ffffff;
    border-radius: 40px;
    box-shadow: var(--shadow-lg);
}

.fs-border-vert {
    border-top: 8px solid var(--color-primary);
}

.fs-border-orange {
    border-top: 8px solid var(--color-danger);
}

.fs-titre-vert {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--color-primary-dark);
    border-bottom: 1px solid rgba(92, 173, 71, 0.1);
    padding-bottom: 16px;
    font-style: italic;
}

.fs-titre-orange {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--color-danger);
    border-bottom: 1px solid rgba(211, 84, 0, 0.1);
    padding-bottom: 16px;
    font-style: italic;
}

.fs-liste-puce-vert {
    color: var(--color-text-muted);
    font-size: 1.125rem;
    line-height: 1.6;
}

.fs-liste-puce-orange {
    color: var(--color-text-muted);
    font-size: 1.125rem;
    line-height: 1.6;
}

/* Section 6 : Footer */
.fs-sec6-footer {
    margin-top: 48px;
    padding: 48px;
    background-color: rgba(92, 173, 71, 0.05);
    border-radius: 48px;
    text-align: center;
    border: 4px dashed rgba(92, 173, 71, 0.2);
    margin-bottom: 48px;
}

.fs-sec6-icone-box {
    display: flex;
    justify-content: center;
    margin-bottom: 32px;
}

.fs-sec6-icone-anim {
    background-color: #ffffff;
    padding: 24px;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    animation: bounce-slow 3s ease-in-out infinite;
    color: var(--color-primary);
}

.fs-sec6-icone-anim svg {
    width: 64px;
    height: 64px;
}

@keyframes bounce-slow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.fs-sec6-footer h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary-dark);
    margin-bottom: 24px;
}

.fs-sec6-footer p {
    max-width: 768px;
    margin: 0 auto;
    color: var(--color-text-muted);
    font-size: 1.25rem;
    font-weight: 500;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .fs-sec4-grille, .fs-sec5-grille {
        grid-template-columns: 1fr;
    }
    .fs-sec4-bg {
        padding: 32px 24px;
    }
}