/* ==========================================================================
   1. CONFIGURATION GLOBALE & TYPOGRAPHIE
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&family=Playfair+Display:wght@700&display=swap');

:root {
    --bg-light: #f8f9fa;
    --navy-dark: #1e293b;
    --orange-primary: #e07a1d;
    --orange-hover: #c46514;
    --text-dark: #0f172a;
    --text-muted: #64748b;
    --white: #ffffff;
    --border-radius: 16px;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --reveal-easing: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--white);
    color: var(--text-dark);
    line-height: 1.6;
    scroll-behavior: smooth;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-small {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================================================
   2. BOUTONS & TITRES TYPOGRAPHIQUES
   ========================================================================== */
h1, h2, h3 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
}

.section-title {
    font-size: 2.3rem;
    color: var(--navy-dark);
    margin-bottom: 24px;
    letter-spacing: -1px;
}
.section-title.center { text-align: center; }
.section-title.text-white { color: var(--white); }

.section-subtitle {
    display: block;
    color: var(--orange-primary);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 12px;
    text-transform: uppercase;
}
.section-subtitle.center { text-align: center; }

.section-desc {
    max-width: 600px;
    color: var(--text-muted);
    margin-bottom: 40px;
}
.section-desc.text-gray { color: #94a3b8; }

.btn-orange {
    background-color: var(--orange-primary);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}
.btn-orange:hover {
    background-color: var(--orange-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 18px rgba(224, 122, 29, 0.3);
}

.btn-navy {
    background-color: var(--navy-dark);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}
.btn-navy:hover {
    background-color: #0f172a;
    transform: translateY(-2px);
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.25);
}

.text-orange { color: var(--orange-primary) !important; }
.text-white { color: var(--white); }
.bg-light { background-color: var(--bg-light); }

/* ==========================================================================
   3. BARRE DE NAVIGATION & MENU DÉROULANT PREMIUM
   ========================================================================== */
/* ==========================================================================
   3. BARRE DE NAVIGATION & MENU DÉROULANT PREMIUM (CORRIGÉ & CENTRÉ)
   ========================================================================== */
.navbar {
    background: var(--white);
    border-bottom: 1px solid #e2e8f0;
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: transform 0.35s ease;
}
.navbar.nav-hidden {
    transform: translateY(-100%);
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center; /* Centre verticalement logo, liens et actions */
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 24px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo-box {
    background-color: var(--navy-dark);
    color: var(--white);
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 8px;
}
.logo-text {
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 0.5px;
    color: var(--navy-dark);
}
.logo-img {
    height: 40px;        /* Ajustez selon la taille souhaitée (ex: 35px à 48px) */
    width: auto;         /* Conserve les proportions du logo sans le déformer */
    display: block;
    object-fit: contain;
}
/* Ajustement de la zone des liens */
.nav-links {
    display: flex;
    align-items: center;    /* Centre verticalement les liens entre eux */
    justify-content: center;
    gap: 36px;              /* Augmente considérablement l'espace entre les liens */
}
.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;    /* Alignement interne (si icône présente) */
    padding: 6px 0;         /* Zone de confort verticale */
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--orange-primary);
    transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav-links a:hover { color: var(--orange-primary); }
.nav-links a:hover::after { width: 100%; }

.nav-actions {
    display: flex;
    align-items: center;
    gap: 24px;
}
.nav-phone {
    text-decoration: none;
    color: var(--navy-dark);
    font-weight: 600;
}

/* Structure Dropdown */
.dropdown {
    position: relative;
    display: inline-flex;
    align-items: center;    /* Centre le bloc dropdown verticalement */
    padding: 10px 0;
}
.dropdown .dropdown-trigger {
    margin-right: 0;
}
.dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}
.caret-icon {
    font-size: 0.8rem;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Animations au survol du menu */
.dropdown:hover .dropdown-trigger,
.dropdown:hover .caret-icon {
    color: var(--orange-primary);
}
.dropdown:hover .caret-icon {
    transform: rotate(180deg);
}

/* Panneau de sélection du menu déroulant (Glassmorphism) */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(15px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    min-width: 260px;
    box-shadow: 0px 20px 40px rgba(15, 23, 42, 0.08), 0px 1px 3px rgba(15, 23, 42, 0.02);
    border-radius: 16px;
    border: 1px solid rgba(15, 23, 42, 0.05);
    padding: 10px 0;
    z-index: 100;
    
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
                visibility 0.3s;
}
.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}
.dropdown-menu a {
    color: var(--text-dark) !important;
    padding: 14px 20px;
    margin-right: 0;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: background 0.2s ease, transform 0.2s ease, color 0.2s ease;
}
.dropdown-menu a i {
    color: var(--navy-dark);
    font-size: 1.1rem;
    width: 20px;
    transition: color 0.2s ease;
}
.dropdown-menu a:hover {
    background-color: rgba(255, 107, 0, 0.05);
    color: var(--orange-primary) !important;
    transform: translateX(4px);
}
.dropdown-menu a:hover i {
    color: var(--orange-primary);
}

/* ==========================================================================
   4. EFFET D'ILLUMINATION SHIMMER (BOUTONS PREMIUM)
   ========================================================================== */
.btn-shimmer {
    position: relative;
    overflow: hidden;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}
.btn-shimmer::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 30%;
    height: 200%;
    background: linear-gradient(
        to right, 
        rgba(255, 255, 255, 0) 0%, 
        rgba(255, 255, 255, 0.6) 50%, 
        rgba(255, 255, 255, 0) 100%
    );
    transform: rotate(25deg);
    transition: none;
}
.btn-shimmer:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 107, 0, 0.35);
}
.btn-shimmer:hover::after {
    left: 140%;
    transition: left 0.8s ease-in-out;
}

/* ==========================================================================
   5. ACCOUEIL / HERO SECTION PRÉCÉDENTE
   ========================================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    overflow: hidden; /* évite tout débord blanc pendant le parallax */
    padding: 140px 0;
    color: var(--white);
    display: flex;
    align-items: center;
}
.hero-bg {
    position: absolute;
    top: -15%;
    left: 0;
    width: 100%;
    height: 130%; /* plus grand que le conteneur pour ne jamais laisser de trait blanc au scroll */
    background-size: cover;
    background-position: center;
    z-index: 0;
    will-change: transform;
}
.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(90deg, rgba(15,23,42,0.85) 0%, rgba(15,23,42,0.4) 100%);
    z-index: 1;
}

/* Étages intermédiaires : formes floutées entre l'image et le texte, chacune à sa propre profondeur */
.hero-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    z-index: 2;
    pointer-events: none;
    will-change: transform;
}
.hero-shape-a {
    width: 340px;
    height: 340px;
    top: -100px;
    left: 6%;
    background: rgba(224, 122, 29, 0.35); /* orange, étage le plus proche du texte */
}
.hero-shape-b {
    width: 300px;
    height: 300px;
    bottom: -80px;
    right: 4%;
    background: rgba(56, 189, 248, 0.22); /* bleu clair, étage plus en retrait */
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 700px;
    padding-left: 5%;
}
.hero .badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(255,255,255,0.2);
    margin-bottom: 24px;
}
.hero .dot { width: 6px; height: 6px; background-color: var(--orange-primary); border-radius: 50%; }
.hero h1 { font-size: 3.5rem; line-height: 1.1; margin-bottom: 24px; }
.hero p { font-size: 1.15rem; color: #cbd5e1; margin-bottom: 32px; }
.hero-buttons { display: flex; gap: 16px; margin-bottom: 32px; }
.btn-outline {
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    
    /* --- EFFET GLASSMORPHISM OPTIMISÉ --- */
    background: rgba(255, 255, 255, 0.08); /* Indispensable pour donner de la matière au flou */
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);   /* Compatibilité Safari / iOS */
}
.btn-outline:hover { background: var(--white); color: var(--navy-dark); }
.rating-google .stars { color: #f59e0b; font-size: 1.3rem; margin-bottom: 4px;}

/* ==========================================================================
   6. SECTION SECTIONS DE CONTENU (ACCUEIL)
   ========================================================================== */
/* Pourquoi Nous */
.why-us { padding: 80px 0; background-color: var(--white); }
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}
.feature-card {
    background: var(--bg-light);
    padding: 32px;
    border-radius: var(--border-radius);
    border: 1px solid #f1f5f9;
    transition: var(--transition);
}
.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 28px rgba(15,23,42,0.08);
    border-color: var(--orange-primary);
}
.icon-circle {
    width: 48px; height: 48px; background: var(--white); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--navy-dark); font-size: 1.2rem; margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: var(--transition);
}
.feature-card:hover .icon-circle {
    background: var(--orange-primary);
    color: var(--white);
    transform: rotate(-8deg) scale(1.1);
}
.feature-card h3 { font-size: 1.1rem; margin-bottom: 12px; }
.feature-card p { color: var(--text-muted); font-size: 0.9rem; }

/* Prestations */
.prestations { padding: 80px 0; background: var(--bg-light); }
.section-header-inline { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 40px; }
.link-arrow { color: var(--orange-primary); text-decoration: none; font-weight: 600; }
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; }
.presta-card { background: var(--white); border-radius: var(--border-radius); overflow: hidden; box-shadow: 0 4px 10px rgba(0,0,0,0.02); transition: var(--transition); }
.presta-card:hover { transform: translateY(-6px); box-shadow: 0 16px 30px rgba(15,23,42,0.1); }
.card-img-placeholder { height: 24px; min-height: 240px; background-size: cover; background-position: center; position: relative; overflow: hidden; transition: transform 0.5s ease; }
.presta-card:hover .card-img-placeholder { transform: scale(1.08); }
.card-badge-icon {
    position: absolute; top: 16px; left: 16px; width: 40px; height: 40px;
    background: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center;
    color: var(--navy-dark); transition: var(--transition);
}
.presta-card:hover .card-badge-icon { background: var(--orange-primary); color: var(--white); transform: rotate(12deg); }
.card-body { padding: 24px; }
.card-body h3 { margin-bottom: 12px; }
.card-body p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 20px; }
.btn-text { color: var(--orange-primary); text-decoration: none; font-weight: 600; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 6px; transition: var(--transition); }
.btn-text i { transition: transform 0.3s ease; }
.btn-text:hover i { transform: translateX(4px); }

/* Réalisations */
.realisations { padding: 80px 0; }
.filter-buttons { display: flex; gap: 12px; margin-bottom: 32px; flex-wrap: wrap; }
.filter-btn {
    border: 1px solid #e2e8f0; background: var(--white); padding: 8px 20px;
    border-radius: 50px; cursor: pointer; font-family: inherit; font-weight: 500; transition: var(--transition);
}
.filter-btn.active, .filter-btn:hover { background: var(--navy-dark); color: var(--white); border-color: var(--navy-dark); transform: translateY(-2px); }
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 24px; }
.gallery-panel .gallery-grid + .gallery-grid {
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid #e2e8f0;
}
.gallery-panel { display: none; }
.gallery-panel.active { display: block; }
.gallery-item { height: 280px; background-size: cover; background-position: center; border-radius: var(--border-radius); transition: transform 0.4s ease, box-shadow 0.4s ease; }
.gallery-item:hover { transform: scale(1.04); box-shadow: 0 16px 30px rgba(15,23,42,0.15); }

/* Processus (Sombre) */
.process-section { background: var(--navy-dark); padding: 80px 0; }
.steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; margin-top: 40px; }
.step-card { position: relative; transition: var(--transition); }
.step-card:hover { transform: translateY(-6px); }
.step-icon { width: 56px; height: 56px; background: var(--orange-primary); color: var(--white); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; margin-bottom: 20px; transition: var(--transition); }
.step-card:hover .step-icon { transform: rotate(-8deg) scale(1.08); box-shadow: 0 10px 20px rgba(224,122,29,0.35); }
.step-number { font-size: 0.85rem; color: var(--orange-primary); font-weight: 700; display: block; margin-bottom: 8px; }
.step-card h3 { color: var(--white); font-size: 1.2rem; margin-bottom: 12px; }
.step-card p { color: #94a3b8; font-size: 0.9rem; }

/* Avis Clients */
.reviews-section { padding: 80px 0; background: var(--white); }
.flex-review-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 40px; gap: 32px; }
.google-score-box { background: var(--bg-light); padding: 24px; border-radius: var(--border-radius); text-align: center; min-width: 220px; transition: var(--transition); }
.google-score-box:hover { transform: translateY(-4px); box-shadow: 0 14px 28px rgba(15,23,42,0.08); }
.score-num { font-size: 3rem; font-weight: 700; color: var(--navy-dark); line-height: 1; margin: 8px 0; }
.stars-orange { color: var(--orange-primary); font-size: 1.2rem; }
.reviews-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.review-card { border: 1px solid #e2e8f0; padding: 32px; border-radius: var(--border-radius); display: flex; flex-direction: column; justify-content: space-between; transition: var(--transition); }
.review-card:hover { transform: translateY(-6px); box-shadow: 0 14px 28px rgba(15,23,42,0.08); border-color: var(--orange-primary); }
.review-text { font-style: italic; margin: 16px 0; color: var(--navy-dark); font-size: 0.95rem; }
.review-author span { color: var(--text-muted); font-size: 0.85rem; }

/* Zone Intervention */
.zone-section { padding: 80px 0; background: var(--bg-light); }
.zone-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.cities-tags { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.cities-tags span { background: var(--white); border: 1px solid #e2e8f0; padding: 8px 16px; border-radius: 50px; font-size: 0.9rem; font-weight: 500; display: inline-flex; align-items: center; gap: 8px; color: var(--navy-dark); transition: var(--transition); cursor: default; }
.cities-tags span:hover { background: var(--navy-dark); color: var(--white); border-color: var(--navy-dark); transform: translateY(-2px); }
.cities-tags i { color: var(--text-muted); transition: var(--transition); }
.cities-tags span:hover i { color: var(--white); }

/* FAQ Accordéon */
.faq-section { padding: 80px 0; }
.faq-accordion { max-width: 800px; margin: 40px auto 0 auto; }
.faq-item { border: 1px solid #e2e8f0; border-radius: 12px; margin-bottom: 16px; overflow: hidden; background: var(--white); transition: var(--transition); }
.faq-item:hover { border-color: var(--orange-primary); }
.faq-item.active { border-color: var(--orange-primary); }
.faq-question { padding: 20px 24px; font-weight: 600; display: flex; justify-content: space-between; align-items: center; cursor: pointer; color: var(--navy-dark); }
.faq-question i { transition: var(--transition); }
.faq-item:hover .faq-question i { color: var(--orange-primary); }
.faq-item.active .faq-question i { transform: rotate(180deg); color: var(--orange-primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out; padding: 0 24px; }
.faq-item.active .faq-answer { max-height: 200px; padding-bottom: 20px; }

/* Contact & Formulaire */
.contact-section { background: var(--navy-dark); padding: 80px 0; }
.contact-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; }
.info-block { display: flex; gap: 20px; margin-top: 32px; }
.info-icon { width: 44px; height: 44px; background: var(--orange-primary); color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.info-block span { font-size: 0.75rem; color: #94a3b8; font-weight: 700; letter-spacing: 0.5px; }
.contact-card-form { background: var(--white); padding: 40px; border-radius: var(--border-radius); box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
.contact-card-form h3 { margin-bottom: 24px; font-size: 1.4rem; }
.form-row { display: flex; gap: 16px; }
.form-group { display: flex; flex-direction: column; margin-bottom: 20px; width: 100%; }
.form-group label { font-size: 0.85rem; font-weight: 600; margin-bottom: 8px; color: var(--navy-dark); }
.form-group input, .form-group textarea { padding: 12px; border: 1px solid #e2e8f0; border-radius: 8px; font-family: inherit; font-size: 0.95rem; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--orange-primary); }
.form-btn { width: 100%; justify-content: center; border-radius: 8px; padding: 14px; margin-top: 10px; }
.form-subtext { text-align: center; font-size: 0.8rem; color: var(--text-muted); margin-top: 12px; }

/* ==========================================================================
   7. EXTENSION STRUCTURANTE : NOUVELLES PAGES D'EXPERTISE
   ========================================================================== */
.hero-expertise {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    padding: 120px 24px;
    color: var(--white);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-expertise .hero-overlay {
    background: rgba(15, 23, 42, 0.7);
}
.hero-content-expertise {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}
.hero-content-expertise h1 {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: -1px;
}
.hero-content-expertise p {
    font-size: 1.1rem;
    color: #cbd5e1;
}

.expertise-content {
    padding: 80px 0;
    background-color: var(--white);
}
.text-block h2 {
    font-size: 1.8rem;
    color: var(--navy-dark);
    margin-bottom: 24px;
    line-height: 1.4;
    font-weight: 600;
}
.text-block p {
    font-size: 1.05rem;
    color: #334155;
    margin-bottom: 20px;
    line-height: 1.7;
}
.text-block blockquote {
    background: var(--bg-light);
    border-left: 4px solid var(--orange-primary);
    padding: 24px;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    margin: 32px 0;
    font-size: 1rem;
    color: var(--navy-dark);
    line-height: 1.6;
}
.text-block blockquote i {
    margin-right: 8px;
}
.expertise-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-top: 48px;
    flex-wrap: wrap;
}
.expertise-gallery {
    padding: 64px 0;
}

/* Identifiants des images de couverture de chaque expertise */
.sdb-hero { background-image: url('salle_de_bain.jpg'); }
.cuisine-hero { background-image: url('cuisine.jpg'); }
.terrasse-hero { background-image: url('terrasse.jpg'); }
.abri-hero { background-image: url('abri_de_jardin.jpg'); }

/* ==========================================================================
   8. COMPOSANTS DE PIED DE PAGE & WIDGETS
   ========================================================================== */
footer { background: var(--white); border-top: 1px solid #e2e8f0; padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 1.51fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }
.footer-about .logo { margin-bottom: 16px; }
.footer-about p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 16px; max-width: 340px; }
.footer-links h4 { margin-bottom: 20px; font-size: 1.05rem; color: var(--navy-dark); }
.footer-links p, .footer-links a { color: var(--text-muted); font-size: 0.9rem; text-decoration: none; display: block; margin-bottom: 12px; }
.footer-links a:hover { color: var(--orange-primary); }
.footer-links i { margin-right: 8px; width: 16px; }
.footer-bottom { border-top: 1px solid #e2e8f0; padding: 24px 0; }
.flex-bottom { display: flex; justify-content: space-between; font-size: 0.85rem; color: var(--text-muted); }

.floating-chat { position: fixed; bottom: 24px; left: 24px; width: 56px; height: 56px; background: var(--orange-primary); color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; box-shadow: 0 4px 15px rgba(224,122,29,0.4); z-index: 999; text-decoration: none; transition: var(--transition); }
.floating-chat:hover { transform: scale(1.08); background-color: var(--orange-hover); }

.back-to-top {
    position: fixed;
    bottom: 24px; /* au-dessus de la bulle de chat */
    right: 24px;
    left: auto;
    width: 48px;
    height: 48px;
    background: var(--navy-dark);
    color: var(--white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(15,23,42,0.25);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s, background-color 0.3s ease;
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    background-color: #0f172a;
    transform: translateY(-3px) scale(1.05);
}

/* ==========================================================================
   9. ANIMATIONS SMOOTH : RÉVÉLATION AU SCROLL & ENTRÉE DU HERO
   ========================================================================== */

/* Base : apparition en fondu + léger glissement vers le haut */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s var(--reveal-easing), transform 0.8s var(--reveal-easing);
    transition-delay: var(--reveal-delay, 0s);
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Variante : glissement latéral (utile pour les blocs texte / colonnes) */
.reveal-left {
    opacity: 0;
    transform: translateX(-32px);
    transition: opacity 0.8s var(--reveal-easing), transform 0.8s var(--reveal-easing);
    transition-delay: var(--reveal-delay, 0s);
}
.reveal-left.revealed { opacity: 1; transform: translateX(0); }

.reveal-right {
    opacity: 0;
    transform: translateX(32px);
    transition: opacity 0.8s var(--reveal-easing), transform 0.8s var(--reveal-easing);
    transition-delay: var(--reveal-delay, 0s);
}
.reveal-right.revealed { opacity: 1; transform: translateX(0); }

/* Variante : simple fondu, sans déplacement (titres de section) */
.reveal-fade {
    opacity: 0;
    transition: opacity 0.9s var(--reveal-easing);
    transition-delay: var(--reveal-delay, 0s);
}
.reveal-fade.revealed { opacity: 1; }

/* Variante : léger zoom (galerie, cartes visuelles) */
.reveal-zoom {
    opacity: 0;
    transform: scale(0.94);
    transition: opacity 0.7s var(--reveal-easing), transform 0.7s var(--reveal-easing);
    transition-delay: var(--reveal-delay, 0s);
}
.reveal-zoom.revealed { opacity: 1; transform: scale(1); }

/* Respecte les préférences d'accessibilité : pas d'animation si demandé */
@media (prefers-reduced-motion: reduce) {
    .reveal, .reveal-left, .reveal-right, .reveal-fade, .reveal-zoom {
        transition: none !important;
        opacity: 1 !important;
        transform: none !important;
    }
}

/* Entrée douce du contenu du hero au chargement de la page */
.hero-content,
.hero-content-expertise {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeIn 1s var(--reveal-easing) 0.2s forwards;
}
@keyframes heroFadeIn {
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   10. RESPONSIVE DESIGN & COMPATIBILITÉ PANNEAUX TACTILES
   ========================================================================== */
@media (max-width: 992px) {
    .nav-links { display: none; }
    .zone-layout, .contact-layout { grid-template-columns: 1fr; gap: 40px; }
    .flex-review-header { flex-direction: column; }
    .hero h1 { font-size: 2.5rem; }
}

@media (max-width: 768px) {
    .hero-content-expertise h1 { font-size: 2.2rem; }
    .expertise-actions { flex-direction: column; }
    .expertise-actions a { text-align: center; }
    
    /* Adaptation de la liste sur les versions mobiles */
    .dropdown-menu { 
        position: static; 
        transform: none; 
        box-shadow: none; 
        opacity: 1; 
        visibility: visible; 
        pointer-events: auto; 
        display: none; 
        border: none;
        background: transparent;
        padding-left: 12px;
    }
    .dropdown:hover .dropdown-menu { display: block; }
}

@media (max-width: 576px) {
    .form-row { flex-direction: column; gap: 0; }
    .hero-buttons { flex-direction: column; }
}









.footer-about .logo-img {
    height: 45px;
    width: auto;
}