:root {
    --primary: #1a1a1a; 
    --accent: #ff6600;  
    --light: #f4f4f4;
    --white: #ffffff;
    --text: #333333;
    --gray-text: #4a4a4a;
    --glow-color: rgba(255, 102, 0, 0.6);
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', 'Urbanist', sans-serif; }
html { scroll-behavior: smooth; }
body { background-color: var(--light); color: var(--text); line-height: 1.6; overflow-x: hidden; }
body.lightbox-open, body.modal-open { overflow: hidden; }

/* KEYFRAMES D'ANIMATIONS */
@keyframes pulseGlow {
    0% { transform: scale(1); box-shadow: 0 4px 15px rgba(255, 102, 0, 0.3); }
    50% { transform: scale(1.03); box-shadow: 0 4px 25px var(--glow-color); }
    100% { transform: scale(1); box-shadow: 0 4px 15px rgba(255, 102, 0, 0.3); }
}

/* 2. HEADER & NAVIGATION */
header { 
    background-color: var(--primary); 
    position: fixed; 
    width: 100%; 
    top: 0; 
    left: 0; 
    z-index: 1000; 
    border-bottom: 3px solid var(--accent); 
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.nav-container { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding: 5px 20px; height: 130px; }
.logo-brand { display: flex; align-items: center; gap: 18px; text-decoration: none; height: 100%; }
.logo-container { height: 110px; width: auto; background: #111111; padding: 4px; border-radius: 6px; border: 1px solid #333; box-shadow: 0 4px 15px rgba(0,0,0,0.6); display: flex; align-items: center; justify-content: center; transition: transform 0.3s ease; }
.logo-container:hover { transform: scale(1.02); }
.logo-container img { max-height: 100%; width: auto; object-fit: contain; display: block; border-radius: 4px; }
.brand-text { color: #e2e8f0; font-size: 28px; font-weight: 900; text-transform: uppercase; letter-spacing: -0.5px; text-shadow: 1px 1px 0px #475569, 2px 2px 0px #334155, 3px 3px 8px rgba(255, 102, 0, 0.4); line-height: 1; display: flex; flex-direction: column; gap: 2px; }
.brand-text span { color: var(--accent); font-size: 32px; letter-spacing: 1px; text-shadow: 1px 1px 0px #b45309, 2px 2px 10px rgba(255, 102, 0, 0.8); }

nav { display: flex; align-items: center; }
nav a { color: var(--white); text-decoration: none; margin-left: 25px; font-weight: 600; text-transform: uppercase; font-size: 14px; transition: color 0.3s; }
nav a:hover { color: var(--accent); }

.lang-selector { margin-left: 25px; display: flex; align-items: center; gap: 8px; border-left: 1px solid #444; padding-left: 15px; color: #bbb; font-size: 14px; }
.lang-btn { color: #bbb; text-decoration: none; font-weight: bold; transition: color 0.3s; cursor: pointer; text-transform: uppercase; }
.lang-btn.active, .lang-btn:hover { color: var(--accent); }

/* 3. HERO SECTION */
.hero { position: relative; height: 85vh; margin-top: 133px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.hero-bg-split { position: absolute; top: 0; left: 0; width: 100%; height: 100%; display: flex; z-index: 1; }
.bg-left { width: 50%; height: 100%; background: url('photo-fer.jpg') no-repeat center center/cover; filter: brightness(1.8) contrast(1.05); }
.bg-right { width: 50%; height: 100%; background: url('photo-alu.jpg') no-repeat center center/cover; }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(to right, rgba(0,0,0,0.35) 0%, rgba(0,0,0,0.75) 100%); z-index: 2; }
.hero-content { position: relative; z-index: 3; display: flex; flex-direction: row; align-items: center; justify-content: space-between; color: var(--white); padding: 0 40px; width: 100%; max-width: 1200px; gap: 50px; }
.hero-text { flex: 1.2; text-align: left; }
.hero-text h1 { font-size: 42px; font-weight: 700; margin-bottom: 10px; text-transform: uppercase; line-height: 1.15; text-shadow: 2px 2px 10px rgba(0,0,0,0.95); }
.hero-slogan { font-size: 20px; font-weight: 500; font-style: italic; color: #cbd5e1; margin-bottom: 15px; text-shadow: 1px 1px 5px rgba(0,0,0,0.8); }
.hero-text p { font-size: 16px; margin-bottom: 35px; color: #e2e8f0; text-shadow: 1px 1px 6px rgba(0,0,0,0.9); }

/* BOUTONS (Mise à jour de ton design industriel) */
.btn-cta, .btn-devis-action, .btn-submit-review {
    background: linear-gradient(135deg, #222, var(--accent));
    color: #fff;
    font-weight: 600;
    padding: 12px 25px;
    border-radius: 6px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}
.btn-cta:hover, .btn-devis-action:hover, .btn-submit-review:hover {
    background: linear-gradient(135deg, var(--accent), #111);
    transform: translateY(-2px);
}

/* Animations spécifiques au bouton CTA (Hero) */
.btn-cta { animation: pulseGlow 2.5s infinite ease-in-out; position: relative; overflow: hidden; }
.btn-cta::after {
    content: ''; position: absolute; top: 0; left: -100%; width: 50%; height: 100%;
    background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.4) 50%, rgba(255,255,255,0) 100%);
    transform: skewX(-25deg); transition: none;
}
.btn-cta:hover::after { left: 150%; transition: left 0.7s ease-in-out; }

/* Ajustement de largeur pour le bouton de formulaire */
.btn-submit-review { width: 100%; padding: 14px 30px; }

/* Bouton devis simpliste */
.btn-devis-action.free-btn { background: #4a5568; color: var(--white); }
.btn-devis-action.free-btn:hover { background: var(--primary); transform: translateY(-2px); }


/* LIVRE DÉFILANT */
.hero-book-side { flex: 0.8; display: flex; justify-content: center; align-items: center; perspective: 1500px; }
.book-container { width: 460px; height: 300px; position: relative; transform-style: preserve-3d; background: transparent; }
.book-container .book-page { position: absolute; width: 100%; height: 100%; top: 0; left: 0; transform-origin: left center; transition: transform 1.2s cubic-bezier(0.25, 1, 0.5, 1), opacity 1.2s ease; transform-style: preserve-3d; backface-visibility: hidden; -webkit-backface-visibility: hidden; z-index: 1; opacity: 0; background: transparent; display: flex; align-items: center; justify-content: center; }
.book-container .book-page img { max-width: 100%; max-height: 100%; object-fit: contain; display: block; }
.book-container .book-page.active { opacity: 1; z-index: 3; transform: rotateY(0deg); }
.book-container .book-page.turned { opacity: 0; z-index: 1; transform: rotateY(-180deg); }

/* TITRES DE SECTIONS (Mise à jour de ton design) */
.section-title {
    font-family: 'Urbanist', sans-serif;
    font-weight: 700;
    text-align: center;
    margin-bottom: 25px;
    color: #222;
    position: relative;
    font-size: 32px;
    text-transform: uppercase;
}
.section-title::after {
    content: "";
    display: block;
    width: 60px;
    height: 3px;
    background: var(--accent);
    margin: 10px auto 0;
    border-radius: 2px;
}

/* 4. À PROPOS */
.valeurs-section { background-color: #111111; color: var(--white); padding: 70px 20px; scroll-margin-top: 140px; }
.valeurs-container { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; gap: 50px; }
.valeurs-text { flex: 1.2; }
.valeurs-text h2 { font-size: 32px; color: var(--white); margin-bottom: 20px; text-transform: uppercase; font-weight: 800; }
.valeurs-text h2 span { color: var(--accent); }
.valeurs-text p { font-size: 16px; color: #ccc; margin-bottom: 20px; line-height: 1.7; }
.valeurs-list { list-style: none; margin-top: 15px; }
.valeurs-list li { margin-bottom: 12px; font-size: 15px; position: relative; padding-left: 25px; color: #eee; }
.valeurs-list li::before { content: '✦'; position: absolute; left: 0; color: var(--accent); font-weight: bold; }
.valeurs-image-box { flex: 0.8; display: flex; justify-content: center; }
.valeurs-img-card { max-width: 100%; width: 400px; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.7); border: 2px solid #333; cursor: pointer; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.valeurs-img-card:hover { transform: scale(1.03); box-shadow: 0 12px 35px rgba(255,102,0,0.2); }

/* 5. GALERIE FILTRABLE AVEC LÉGENDES AUTOMATIQUES */
.galerie { background-color: var(--white); padding: 60px 20px; scroll-margin-top: 140px; }
.galerie-container { max-width: 1200px; margin: 0 auto; text-align: center; }
.gallery-filters { display: flex; justify-content: center; gap: 8px; margin-bottom: 35px; flex-wrap: wrap; }
.filter-btn { background-color: #eee; border: none; padding: 10px 18px; font-weight: 600; border-radius: 20px; cursor: pointer; transition: all 0.3s; color: var(--primary); font-size: 13px; }
.filter-btn.active, .filter-btn:hover { background-color: var(--accent); color: var(--white); }
.galerie-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 25px; margin-bottom: 30px; }

.galerie-item { border-radius: 8px; width: 100%; max-width: 330px; height: 415px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.06); border: 1px solid #e5e7eb; background-color: #fcfcfc; transition: all 0.3s ease; margin: 0 auto; display: flex; flex-direction: column; align-items: center; justify-content: space-between; padding: 12px; cursor: pointer; }
.galerie-item:hover { transform: scale(1.02); box-shadow: 0 6px 18px rgba(0,0,0,0.12); border-color: var(--accent); }
.galerie-wrapper-img { width: 100%; height: 340px; display: flex; align-items: center; justify-content: center; }
.galerie-item img { max-width: 100%; max-height: 100%; object-fit: contain; display: block; border-radius: 4px; }
.galerie-caption { width: 100%; padding-top: 8px; border-top: 1px solid #eee; font-size: 13px; font-weight: 700; color: var(--primary); text-align: center; text-transform: uppercase; letter-spacing: 0.3px; }
.galerie-item.hide { display: none !important; }

.load-more-container { display: flex; justify-content: center; margin-top: 20px; }
.btn-load-more { background-color: var(--primary); color: var(--white); border: 2px solid var(--primary); padding: 12px 35px; font-size: 15px; font-weight: 700; border-radius: 30px; cursor: pointer; transition: all 0.3s ease; text-transform: uppercase; box-shadow: 0 4px 10px rgba(0,0,0,0.1); display: flex; align-items: center; gap: 10px; }
.btn-load-more:hover { background-color: var(--accent); border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 6px 15px rgba(255,102,0,0.3); }
.btn-load-more.hide { display: none !important; }

/* OUVRAGES À LA UNE */
.anciennes-realisations { background-color: var(--light); padding: 60px 20px; }
.anciennes-container { max-width: 1200px; margin: 0 auto; }
.anciennes-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 25px; }
.ancienne-item { border-radius: 8px; height: 380px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.06); border: 1px solid #e5e7eb; background-color: #fcfcfc; cursor: pointer; transition: all 0.3s; display: flex; align-items: center; justify-content: center; padding: 15px; }
.ancienne-item:hover { transform: scale(1.02); box-shadow: 0 6px 18px rgba(0,0,0,0.12); border-color: var(--accent); }
.ancienne-item img { max-width: 100%; max-height: 100%; object-fit: contain; display: block; border-radius: 4px; }

/* 6. SERVICES */
.services { max-width: 1200px; margin: 60px auto; padding: 0 20px; scroll-margin-top: 140px; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 25px; margin-top: 40px; }
.service-card { background-color: var(--white); padding: 25px; border-radius: 8px; box-shadow: 0 4px 6px rgba(0,0,0,0.05); border-top: 4px solid var(--primary); }

/* ENGAGEMENT */
.engagement { background-color: var(--primary); color: var(--white); padding: 60px 20px; text-align: center; }
.engagement-container { max-width: 800px; margin: 0 auto; }
.engagement h2 { color: var(--accent); margin-bottom: 20px; font-size: 28px; text-transform: uppercase; }
.engagement p { font-size: 18px; font-style: italic; line-height: 1.8; }

/* VIDEOTHEQUE */
.video-section { background-color: #1a1a1a; color: var(--white); padding: 70px 20px; scroll-margin-top: 140px; }
.video-container { max-width: 1200px; margin: 0 auto; text-align: center; }
.video-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; margin-top: 40px; }
.video-card { background: #222; border-radius: 8px; overflow: hidden; box-shadow: 0 6px 15px rgba(0,0,0,0.4); border: 1px solid #333; position: relative; }
.video-thumbnail-wrapper { width: 100%; height: 210px; background: #111; display: flex; align-items: center; justify-content: center; position: relative; cursor: pointer; }
.video-thumbnail-wrapper i.fa-play { font-size: 50px; color: var(--accent); opacity: 0.8; transition: transform 0.3s, opacity 0.3s; }
.video-card:hover i.fa-play { transform: scale(1.1); opacity: 1; }
.video-info { padding: 20px; text-align: left; }
.video-info h4 { font-size: 16px; margin-bottom: 8px; color: #fff; font-weight: 700; }
.video-info p { font-size: 13px; color: #aaa; }

/* 7. SECTION TÉMOIGNAGES */
.reviews-section { background-color: var(--light); padding: 70px 20px; scroll-margin-top: 140px; border-bottom: 1px solid #e5e7eb; }
.reviews-split-container { max-width: 1200px; margin: 0 auto; display: flex; gap: 40px; align-items: flex-start; }
.reviews-left-form { flex: 1; }
.reviews-right-list { flex: 1.2; display: flex; flex-direction: column; gap: 20px; }
.reviews-section-header { text-align: left; margin-bottom: 25px; }

/* CARTES D'AVIS CLIENTS (Mise à jour de ton design) */
.review-card {
    background: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
    transition: transform 0.2s ease;
    width: 100%;
    text-align: left;
}
.review-card:hover { transform: scale(1.02); }
.review-text { font-style: italic; color: #444; margin-bottom: 10px; font-size: 14px; line-height: 1.6; }
.review-author { font-weight: bold; color: var(--accent); font-size: 14px; }
.review-author span { display: block; font-weight: 400; color: #888; font-size: 12px; margin-top: 2px; }
.stars { color: #f59e0b; margin-bottom: 12px; font-size: 15px; }

.form-review-box { background: transparent; padding: 0; border-radius: 0; box-shadow: none; border: none; text-align: left; width: 100%; }
.form-review-box h3 { font-size: 20px; font-weight: 800; color: var(--primary); margin-bottom: 5px; text-transform: uppercase; }
.form-review-box p { font-size: 14px; color: #666; margin-bottom: 25px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 700; color: var(--primary); margin-bottom: 6px; text-transform: uppercase; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px; border: 1px solid #ccc; border-radius: 5px; font-size: 14px; transition: border 0.3s; background: var(--white); color: var(--text); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 5px rgba(255,102,0,0.2); }

/* 8. SECTION TARIFS & DEVIS */
.devis-section { background-color: var(--white); padding: 70px 20px; scroll-margin-top: 140px; text-align: center; }
.devis-container { max-width: 1200px; margin: 0 auto; }
.devis-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 30px; margin-top: 40px; align-items: start; }

.devis-card { background: var(--light); border: 2px solid #e5e7eb; border-radius: 12px; padding: 35px 25px; text-align: left; transition: all 0.3s; position: relative; display: flex; flex-direction: column; justify-content: space-between; min-height: 580px; }
.devis-card.premium { border-color: var(--accent); box-shadow: 0 10px 25px rgba(255,102,0,0.08); background-color: #fffaf7; }
.devis-card .badge { position: absolute; top: 15px; right: 20px; background: var(--accent); color: var(--white); padding: 4px 12px; font-size: 11px; font-weight: bold; text-transform: uppercase; border-radius: 20px; }
.devis-card h3 { font-size: 22px; color: var(--primary); margin-bottom: 10px; font-weight: 800; text-transform: uppercase; }
.devis-card .price { font-size: 28px; font-weight: 900; color: var(--primary); margin-bottom: 20px; display: flex; align-items: baseline; gap: 5px; }
.devis-card .price.free { color: #2e7d32; }
.devis-card .price.paid { color: var(--accent); }
.devis-card .price span { font-size: 14px; font-weight: 400; color: #666; }
.devis-features { list-style: none; margin-bottom: 30px; }
.devis-features li { font-size: 14px; color: #555; margin-bottom: 12px; position: relative; padding-left: 25px; }
.devis-features li i { position: absolute; left: 0; top: 3px; font-size: 15px; }
.devis-features li i.fa-check { color: #2e7d32; }
.devis-features li i.fa-xmark { color: #c62828; }

.devis-card.fast-form-box { border: 2px dashed var(--primary); background: var(--white); }
.devis-card.fast-form-box h3 { color: var(--primary); }
.devis-card.fast-form-box p { font-size: 13px; color: var(--gray-text); margin-bottom: 20px; }

/* PAIEMENT SOLUTIONS */
.payment-buttons-group { display: flex; flex-direction: column; gap: 10px; width: 100%; }
.paypal-submit-btn { background-color: #ffc439; color: #111; border: none; padding: 14px; border-radius: 6px; font-weight: bold; font-size: 14px; width: 100%; cursor: pointer; text-align: center; display: flex; align-items: center; justify-content: center; gap: 8px; transition: background 0.3s; text-transform: uppercase; box-shadow: 0 4px 10px rgba(255,196,57,0.25); }
.paypal-submit-btn:hover { background-color: #f2ba32; }
.btn-momo-local { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 14px; border-radius: 6px; font-weight: bold; font-size: 14px; text-decoration: none; text-transform: uppercase; transition: opacity 0.3s; color: #111; }
.btn-momo-local:hover { opacity: 0.9; }
.btn-momo-local.mtn { background-color: #ffcc00; box-shadow: 0 4px 10px rgba(255,204,0,0.25); }
.btn-momo-local.orange { background-color: #ff6600; color: #fff; box-shadow: 0 4px 10px rgba(255,102,0,0.25); }

/* 9. SECTION FAQ */
.faq-section { background-color: var(--light); padding: 70px 20px; scroll-margin-top: 140px; border-top: 1px solid #e5e7eb; }
.faq-container { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--white); margin-bottom: 15px; border-radius: 6px; overflow: hidden; box-shadow: 0 2px 4px rgba(0,0,0,0.03); border: 1px solid #eaeaea; }
.faq-checkbox { display: none; }
.faq-question { padding: 18px 25px; background: #eaeaea; color: var(--primary); font-weight: 700; display: block; cursor: pointer; position: relative; user-select: none; font-size: 15px; transition: background 0.3s; }
.faq-question:hover { background: #dfdfdf; }
.faq-question::after { content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; position: absolute; right: 25px; top: 50%; transform: translateY(-50%); transition: transform 0.3s; color: var(--accent); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s cubic-bezier(0, 1, 0, 1); background: var(--white); padding: 0 25px; color: #555; font-size: 14px; }
.faq-answer p { padding: 18px 0; line-height: 1.6; }
.faq-checkbox:checked + .faq-question + .faq-answer { max-height: 1000px; transition: max-height 0.3s cubic-bezier(1, 0, 1, 0); }
.faq-checkbox:checked + .faq-question::after { transform: translateY(-50%) rotate(180deg); }

/* 10. CONTACT, HORAIRES & INFOS RESEAUX */
.contact-section { max-width: 1200px; margin: 60px auto; padding: 0 20px; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.contact-info, .horaires-box, .choisir-box, .payment-zone { background-color: var(--white); padding: 30px; border-radius: 8px; box-shadow: 0 4px 6px rgba(0,0,0,0.05); border: 1px solid #e5e7eb; }

.btn-facebook { background-color: #1877f2; display: block; text-align: center; margin-bottom: 12px; text-decoration: none; color: var(--white); padding: 12px; border-radius: 5px; font-weight: bold; font-size: 16px; transition: background 0.3s; }
.btn-facebook:hover { background-color: #145dbf; }
.btn-linkedin { background-color: #0a66c2; display: block; text-align: center; margin-bottom: 12px; text-decoration: none; color: var(--white); padding: 12px; border-radius: 5px; font-weight: bold; font-size: 16px; transition: background 0.3s; }
.btn-linkedin:hover { background-color: #084da8; }
.btn-maps { background-color: #ea4335; display: block; text-align: center; margin-bottom: 12px; text-decoration: none; color: var(--white); padding: 12px; border-radius: 5px; font-weight: bold; font-size: 16px; transition: background 0.3s; }
.btn-maps:hover { background-color: #c5221f; }
.btn-whatsapp { background-color: #1ecd57; display: block; text-align: center; margin-bottom: 12px; text-decoration: none; color: var(--white); padding: 12px; border-radius: 5px; font-weight: bold; font-size: 16px; }
.btn-whatsapp:hover { background-color: #19ad48; }
.btn-appel { background-color: #4a5568; display: block; text-align: center; margin-bottom: 12px; text-decoration: none; color: var(--white); padding: 12px; border-radius: 5px; font-weight: bold; font-size: 16px; transition: background 0.3s; }
.btn-appel:hover { background-color: #2d3748; }
.btn-email { background-color: #1a1a1a; display: block; text-align: center; text-decoration: none; color: var(--white); padding: 12px; border-radius: 5px; font-weight: bold; font-size: 16px; }
.btn-email:hover { background-color: #333; }

.localisation { margin-top: 20px; border-top: 1px solid #eee; padding-top: 15px; }
.localisation h4 { color: var(--accent); margin-bottom: 5px; font-size: 16px; text-transform: uppercase; }
.localisation p { font-size: 15px; color: #555; }
.prochainement { font-size: 13px; color: #888; font-style: italic; margin-top: 5px; }
.choisir-list { list-style: none; margin-top: 15px; }
.choisir-list li { margin-bottom: 15px; font-size: 14px; position: relative; padding-left: 25px; line-height: 1.5; }
.choisir-list li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: bold; font-size: 16px; }
.choisir-list strong { color: var(--primary); }
.horaires-table { width: 100%; border-collapse: collapse; margin-top: 15px; }
.horaires-table td { padding: 8px 0; border-bottom: 1px solid #eee; font-size: 14px; }
.horaires-table td:last-child { text-align: right; font-weight: bold; color: var(--accent); }
.payment-zone { border: 2px dashed var(--accent); grid-column: 1 / -1; }
.payment-status { background-color: #e8f5e9; color: #2e7d32; padding: 10px; border-radius: 5px; text-align: center; font-weight: bold; margin-top: 15px; }

/* 11. BOUTON RETOUR EN HAUT FLOATING */
.scroll-top-btn {
    position: fixed; bottom: 30px; right: 30px; background-color: var(--primary);
    color: var(--white); width: 45px; height: 45px; border-radius: 50%; border: 2px solid var(--accent);
    display: flex; align-items: center; justify-content: center; cursor: pointer;
    z-index: 999; opacity: 0; pointer-events: none; transition: all 0.3s ease; box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}
.scroll-top-btn.visible { opacity: 1; pointer-events: auto; }
.scroll-top-btn:hover { background-color: var(--accent); transform: translateY(-3px); }

/* 12. FOOTER (Mise à jour de ton design) */
footer { background-color: var(--primary); color: var(--white); padding: 50px 20px 20px; margin-top: 60px; font-size: 14px; border-top: 4px solid var(--accent); }
.footer-container {
    background: #111;
    color: #ccc;
    padding: 40px 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto 30px;
    gap: 40px;
    border-radius: 8px; /* Ajoute un beau contour aux coins du bloc noir */
}
.footer-col { flex: 1; min-width: 250px; }
.footer-col h4 { color: var(--accent); margin-bottom: 15px; font-size: 16px; font-weight: 700; text-transform: uppercase; position: relative; padding-bottom: 6px; }
.footer-col h4::after { content: ''; position: absolute; left: 0; bottom: 0; width: 35px; height: 2px; background-color: var(--accent); }
.footer-col p { color: #aaa; line-height: 1.6; font-size: 13.5px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: #ccc; text-decoration: none; transition: color 0.3s ease; cursor: pointer; }
.footer-links a:hover { color: var(--accent); }
.footer-socials { display: flex; gap: 12px; margin-top: 10px; }
.footer-socials a { width: 38px; height: 38px; background: #262626; border-radius: 5px; display: flex; align-items: center; justify-content: center; color: #ccc; text-decoration: none; transition: all 0.3s ease; font-size: 18px; border: 1px solid #333; }
.footer-socials a:hover { color: var(--accent); background: #111; transform: translateY(-2px); border-color: var(--accent); }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid #2d2d2d; color: #888; font-size: 13px; width: 100%; }

/* 13. FENÊTRES SURGISSANTES (MODALES MENTIONS LÉGALES ET PRIVACITÉ) */
.legal-modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.8); z-index: 3000; display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity 0.3s ease; }
.legal-modal.show { opacity: 1; pointer-events: auto; }
.legal-modal-content { background: var(--white); color: var(--text); padding: 35px; border-radius: 8px; width: 90%; max-width: 650px; max-height: 80vh; overflow-y: auto; position: relative; text-align: left; box-shadow: 0 10px 25px rgba(0,0,0,0.5); }
.legal-modal-content h3 { font-size: 22px; margin-bottom: 15px; color: var(--primary); text-transform: uppercase; border-bottom: 2px solid var(--accent); padding-bottom: 5px; font-weight: 800; }
.legal-modal-content h4 { font-size: 15px; margin: 15px 0 5px; color: var(--primary); font-weight: 700; }
.legal-modal-content p { font-size: 14px; color: #444; margin-bottom: 10px; }
.legal-modal-close { position: absolute; top: 15px; right: 20px; font-size: 30px; font-weight: bold; color: #888; cursor: pointer; transition: color 0.2s; }
.legal-modal-close:hover { color: var(--accent); }

/* LIGHTBOX INTERACTIVE COMPLÈTE AVEC LÉGENDE DE ZOOM */
.lightbox { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.95); z-index: 2000; display: flex; flex-direction: column; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity 0.4s ease; overflow: hidden; }
.lightbox.show { opacity: 1; pointer-events: auto; }
.lightbox-img { 
    max-width: 90%; max-height: 80%; border-radius: 4px; box-shadow: 0 10px 25px rgba(0,0,0,0.5); 
    transform: scale(0.9); transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94); 
    cursor: zoom-in; user-select: none; position: relative;
}
.lightbox.show .lightbox-img { transform: scale(1); }
.lightbox-img.zoomed { transform: scale(2.2); cursor: grab; }
.lightbox-img.zoomed:active { cursor: grabbing; }
.lightbox-close { position: absolute; top: 20px; right: 25px; color: var(--white); font-size: 40px; font-weight: bold; cursor: pointer; transition: color 0.3s; user-select: none; z-index: 2010; }
.lightbox-close:hover { color: var(--accent); }
.lightbox-caption { color: var(--white); margin-top: 15px; font-size: 15px; font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase; background: rgba(0,0,0,0.6); padding: 6px 16px; border-radius: 4px; border-left: 3px solid var(--accent); }

/* FLÈCHES DE NAVIGATION LIGHTBOX */
.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: var(--white);
    font-size: 35px;
    cursor: pointer;
    z-index: 2010;
    padding: 15px 20px;
    background: rgba(0,0,0,0.4);
    border-radius: 8px;
    transition: background 0.3s ease, transform 0.2s ease;
    user-select: none;
}
.lightbox-nav:hover {
    background: var(--accent);
    transform: translateY(-50%) scale(1.1);
}
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

/* Masquer les flèches si on est au bout de la liste */
.lightbox-nav.disabled {
    display: none;
}

/* RESPONSIVE STRUCTURE */
@media (max-width: 992px) {
    header { position: relative !important; }
    .hero { margin-top: 0 !important; padding: 40px 0 !important; height: auto !important; }
    .hero-content { flex-direction: column; text-align: center; }
    .hero-text { text-align: center; margin-bottom: 20px; }
    .valeurs-container { flex-direction: column; text-align: center; gap: 30px; }
    .devis-grid { grid-template-columns: 1fr; max-width: 550px; margin-left: auto; margin-right: auto; }
    .devis-card { min-height: auto; }
    .contact-section { grid-template-columns: 1fr; }
    .payment-zone { grid-column: auto; }
    .anciennes-grid { grid-template-columns: 1fr; }
    .nav-container { height: auto; padding: 15px 20px; flex-direction: column; gap: 15px; }
    .reviews-split-container { flex-direction: column; gap: 30px; }
    .reviews-section-header { text-align: center; }
    .footer-container { flex-direction: column; gap: 25px; }
}
@media (max-width: 768px) {
    .hero-content h1 { font-size: 30px; }
    .hero-slogan { font-size: 16px; }
    .hero-bg-split { flex-direction: column; }
    .bg-left, .bg-right { width: 100%; height: 50%; }
    .book-container { width: 280px; height: 175px; }
    nav { justify-content: center; gap: 8px; flex-wrap: wrap; }
    nav a { margin-left: 0; margin: 0 8px; font-size: 12px; }
    .galerie-item { max-width: 280px; height: 385px; }
    .galerie-wrapper-img { height: 310px; }
    .logo-container { height: 95px; width: auto; }
    .brand-text { font-size: 22px; }
    .brand-text span { font-size: 26px; }
    .review-card { text-align: center; border-left: none; border-top: 5px solid var(--accent); }
    .ancienne-item { height: 280px; }
    .reviews-section { padding: 40px 15px; }
    .scroll-top-btn { bottom: 20px; right: 20px; width: 40px; height: 40px; }
    
    /* Flèches plus petites sur mobile */
    .lightbox-nav { font-size: 20px; padding: 10px 15px; }
    .lightbox-prev { left: 10px; }
    .lightbox-next { right: 10px; }
}