:root {
    --vert: #1a3428;
    --vert-moyen: #2a5540;
    --vert-clair: #3d8260;
    --vert-fond: #0f1f18;
    --or: #c5a86a;
    --blanc: #f9f7f3;
    --gris: #eae8e2;
    --texte: #1a1a18;
    --texte-leger: #5a5a52;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'DM Sans', sans-serif; background: #f3eee4; color: var(--texte); overflow-x: hidden; }
section { padding: 5rem 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.section-label { font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--or); font-weight: 500; margin-bottom: 1rem; }
.section-title { font-family: 'Playfair Display', serif; font-size: clamp(2rem, 3.5vw, 2.8rem); font-weight: 700; line-height: 1.15; color: var(--vert); margin-bottom: 1rem; }
.section-intro { font-size: 1rem; color: var(--texte-leger); line-height: 1.75; max-width: 1500px; }
.divider { width: 48px; height: 2px; background: var(--or); margin-bottom: 1.4rem; }
.probleme,
.technique,
.methode,
.temoignage,
.personnalisation,
.rejoindre,
.impact,
.preuves,
.faq { 
    background: linear-gradient(to bottom, #f9f7f3, #eae8e2);
    border-top: 1px solid rgba(30,58,47,0.08);
    border-bottom: 1px solid rgba(30,58,47,0.08);
}
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 1rem 3rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background .3s, padding .3s;
}
.nav.scrolled { background: rgba(15,31,24,.96); backdrop-filter: blur(12px); }
.nav-logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.4rem;
    color: #fff;
    font-weight: 700;
    text-decoration: none;
}
.nav-logo span {
    font-family: 'DM Sans', sans-serif;
    font-size: .64rem;
    letter-spacing: .13em;
    text-transform: uppercase;
    color: var(--or);
    margin-left: .5rem;
}
.nav-right { display: flex; align-items: center; gap: 1.5rem; }
.nav-links { display: flex; align-items: center; gap: 1.6rem; list-style: none; }
.nav-links a { color: rgba(255,255,255,.72); text-decoration: none; font-size: .88rem; transition: color .3s; }
.nav-links a:hover { color: var(--or); }
.nav-rdv {
    display: inline-block;
    border: 1px solid rgba(255,255,255,.38);
    color: #fff;
    text-decoration: none;
    padding: .62rem 1rem;
    font-size: .8rem;
    letter-spacing: .04em;
    transition: .3s;
}
.nav-rdv:hover { border-color: var(--or); color: var(--or); }
.hero {
    background: var(--vert-fond);
    position: relative;
    min-height: 100vh; /* Full screen pour plus d'impact */
    padding: 0;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    /* Transition ultra-douce (8 stops) pour supprimer toute ligne visible */
    background: linear-gradient(90deg, 
        var(--vert-fond) 0%, 
        var(--vert-fond) 20%, 
        rgba(15, 31, 24, 0.98) 30%,
        rgba(15, 31, 24, 0.94) 40%,
        rgba(15, 31, 24, 0.82) 55%,
        rgba(15, 31, 24, 0.5) 75%,
        rgba(15, 31, 24, 0.15) 90%,
        transparent 100%);
    z-index: 6;
    pointer-events: none;
}
.hero-content { 
    padding: 4rem 4rem 4rem 6rem; 
    position: relative; 
    z-index: 10; 
    width: 45%; 
    flex: 0 0 45%;
    animation: fadeUp 1s ease-out;
}
.hero-viewer-wrap {
    position: absolute;
    top: 0;
    right: 0;
    width: 70%; /* Environ 2/3 de l'écran collé à droite */
    height: 100%;
    z-index: 7; /* Passe au-dessus du dégradé (z-index: 6) */
    padding: 0;
    transform: none;
}
.hero-viewer-card {
    width: 100%;
    height: 100%;
    background: transparent;
}
.hero-carousel {
    position: relative;
    width: 100%;
    min-height: 420px;
    height: 100%;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(197, 168, 106, 0.3);
    color: var(--or);
    font-size: .75rem;
    letter-spacing: .15em;
    text-transform: uppercase;
    padding: 10px 20px;
    border-radius: 4px;
    margin-bottom: 2.5rem;
}
.hero h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(3rem, 6vw, 4.8rem);
    color: #fff;
    line-height: 1.05;
    margin-bottom: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}
.hero h1 em { color: var(--or); font-style: normal; }
.hero-desc { color: rgba(255,255,255,.75); line-height: 1.8; font-size: 1.1rem; max-width: 600px; margin-bottom: 3rem; font-weight: 300; }
.hero-cta, .section-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .9rem;
    margin-bottom: 1.4rem;
}
.section-actions { 
    margin-top: 2rem; 
    padding: 1.1rem; 
    border-radius: 24px; 
    background: linear-gradient(to right, rgba(237,244,240,.24), rgba(237,244,240,.12)); 
    border: 1px solid rgba(74,140,99,.18); 
    box-shadow: 0 4px 12px rgba(15,31,24,0.04);
}
.hero-price-cue {
    margin-bottom: 1.1rem;
    display: inline-flex;
    align-items: baseline;
    gap: .45rem;
    padding: .45rem .7rem;
    border: 1px solid rgba(184,154,94,.45);
    background: rgba(184,154,94,.12);
}
.hero-price-cue strong {
    font-family: 'Playfair Display', serif;
    color: var(--or);
    font-size: 1.15rem;
    line-height: 1;
}
.hero-price-cue span {
    color: rgba(255,255,255,.8);
    font-size: .76rem;
    letter-spacing: .06em;
    text-transform: uppercase;
}
.btn-primary, .btn-outline, .btn-secondary {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: .3s;
    font-size: .9rem;
    padding: .9rem 1.3rem;
    min-height: 44px;
    line-height: 1.2;
    border-radius: 999px;
}
.btn-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: .6rem;
    padding: .22rem .65rem;
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    border-radius: 999px;
    background: rgba(30,58,47,.12);
    color: var(--vert);
}
.btn-primary { background: var(--or); color: var(--vert); font-weight: 600; }
.btn-primary:hover { background: #ccb07b; transform: translateY(-2px); }
.btn-outline { border: 1px solid rgba(255,255,255,.35); color: rgba(255,255,255,.9); }
.btn-outline:hover { border-color: var(--or); color: var(--or); }
.btn-secondary {
    border: 1px solid rgba(255,255,255,.45);
    background: rgba(255,255,255,.08);
    color: #fff;
}
.btn-secondary:hover {
    background: rgba(255,255,255,.16);
    color: #fff;
    transform: translateY(-2px);
}
.btn-primary:focus-visible,
.btn-outline:focus-visible,
.btn-secondary:focus-visible {
    outline: 3px solid rgba(255,255,255,.85);
    outline-offset: 3px;
}
.positionnement .btn-secondary {
    color: var(--vert);
    border-color: var(--vert);
    background: transparent;
}
.positionnement .btn-secondary:hover {
    background: rgba(74,140,99,.08);
}
.hero-stats { display: flex; flex-wrap: wrap; gap: 2rem; }
.hero-stats strong { display: block; font-family: 'Playfair Display', serif; color: var(--or); font-size: 1.55rem; line-height: 1; }
.hero-stats > div {
    position: relative;
    padding-left: 1.5rem;
    border-left: 1px solid rgba(255,255,255,0.15);
}
.hero-stats > div:first-child { border-left: none; padding-left: 0; }
.hero-stats span { font-size: .74rem; color: rgba(255,255,255,.44); text-transform: uppercase; letter-spacing: .07em; }
.viewer-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255,255,255,.85);
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .12em;
    padding: .85rem 1rem;
    border-bottom: 1px solid rgba(255,255,255,.08);
    background: rgba(0,0,0,.2);
}
.hero-carousel,
.transport-carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
    min-height: 340px;
    background: #0e1c16;
    cursor: grab;
}
.hero-carousel.grabbing,
.transport-carousel.grabbing {
    cursor: grabbing;
}
.carousel-slide {
    position: absolute;
    inset: 0;
    opacity: 0; /* Géré par le script et la classe active */
    transition: opacity 1.5s ease-in-out !important; /* Transition douce de fondu */
    z-index: 1;
    display: block !important; /* On force l'affichage pour permettre la transition d'opacité */
}
.carousel-slide.active {
    opacity: 1;
    z-index: 2;
}
.carousel-slide img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    background: #0e1c16;
    transition: transform 0.8s ease-in-out; /* Retour doux à la taille initiale */
    transform: scale(1);
    will-change: transform;
}
.transport-carousel .carousel-slide img {
    object-fit: contain;
}
.carousel-slide.active img {
    transform: scale(1.15); /* Zoom de 15% pour être bien visible */
    transition: transform 10s ease-out; /* Mouvement fluide et élégant */
}
.carousel-slide iframe {
    width: 100%;
    height: 100%;
    border: none;
}
@media (max-width: 860px) {
    .hero {
        min-height: auto;
        flex-direction: column;
        align-items: stretch;
        padding-bottom: 2rem;
    }
    .hero::before {
        background: linear-gradient(180deg, rgba(15,31,24,0.98) 0%, rgba(15,31,24,0.92) 35%, rgba(15,31,24,0.6) 65%, transparent 100%);
    }
    .hero-content {
        width: 100%;
        flex: 0 0 auto;
        padding: 3rem 1.5rem 1.5rem;
    }
    .hero-viewer-wrap {
        position: relative;
        width: 100%;
        height: auto;
        min-height: 360px;
        margin: 0;
        padding: 0 1.5rem 2rem;
    }
    .hero-viewer-card {
        min-height: 360px;
    }
    .hero-carousel {
        min-height: 360px;
    }
    .carousel-indicators {
        bottom: 1.5rem;
        right: 1.5rem;
        left: auto;
    }
    .carousel-control {
        top: auto;
        bottom: 1.5rem;
        transform: translateY(0);
    }
}
.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border: 1px solid rgba(255,255,255,.3);
    background: rgba(0,0,0,.32);
    color: #fff;
    font-size: 1.6rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    border-radius: 50%;
    transition: background .25s, transform .25s, border-color .25s;
    box-shadow: 0 12px 30px rgba(0,0,0,.22);
}
.carousel-control:hover {
    background: rgba(184,154,94,.9);
    border-color: var(--or);
    transform: translateY(-50%) scale(1.05);
}
.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: .55rem;
}
.hero-viewer-card .carousel-indicators {
    position: absolute;
    bottom: 3rem;
    right: 3rem;
    z-index: 10;
    margin: 0;
}
.carousel-indicators button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,.35);
    border: 1px solid rgba(255,255,255,.18);
    cursor: pointer;
    transition: transform .2s, background .2s;
}
.carousel-indicators button.active {
    background: var(--or);
    transform: scale(1.15);
}
.carousel-indicators button:hover {
    background: rgba(255,255,255,.75);
}
.viewer-fallback {
    padding: .9rem;
    font-size: .8rem;
    color: rgba(255,255,255,.72);
    border-top: 1px solid rgba(255,255,255,.09);
}
.exploded-panel {
    display: grid;
    grid-template-columns: 1.3fr 0.9fr;
    gap: 1.5rem;
    align-items: start;
}
.exploded-graphic {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}
.exploded-graphic img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
    object-fit: cover;
}
.exploded-legend {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 1.4rem;
}
.exploded-legend span {
    display: block;
    background: #fff;
    border: 1px solid var(--gris);
    border-radius: 14px;
    padding: 1rem;
    color: var(--texte-leger);
    line-height: 1.55;
}
.technique-teaser {
    margin: 1.2rem 0 1.8rem;
    font-size: .95rem;
    color: var(--texte-leger);
    line-height: 1.6;
}
.technique-teaser a {
    color: var(--vert-moyen);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
}
.technique-teaser a:hover { color: var(--or); }
.technique-orbit-wrap {
    width: 100vw;
    max-width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    margin-top: 2rem;
    padding: 0 clamp(1rem, 3vw, 2.5rem);
    box-sizing: border-box;
    overflow-x: hidden;
}
.technique-orbit {
    display: grid;
    grid-template-columns: minmax(240px, 1fr) minmax(380px, 2.6fr) minmax(240px, 1fr);
    grid-template-rows: auto auto auto auto auto;
    gap: 1.25rem 2rem;
    align-items: center;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
}
.technique-visual--center {
    grid-column: 2;
    grid-row: 2 / 4;
    align-self: center;
    width: 100%;
    padding: 0 .5rem;
}
@keyframes floating {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}
.technique-visual img {
    width: 100%;
    height: auto;
    max-height: min(75vh, 720px);
    object-fit: contain;
    display: block;
    border-radius: 20px;
    box-shadow: 0 12px 40px rgba(19,38,30,.12);
    animation: floating 6s ease-in-out infinite;
}
.technique-caption {
    grid-column: 1 / -1;
    grid-row: 5;
    margin: .5rem 0 0;
    font-size: .78rem;
    color: var(--texte-leger);
    line-height: 1.5;
    text-align: center;
}
.technique-callout {
    background: #fff;
    border: 1px solid var(--gris);
    border-radius: 14px;
    padding: 1.1rem 1.15rem 1.1rem 1.25rem;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: .65rem 1rem;
    align-items: start;
    max-width: none;
    width: 100%;
    justify-self: stretch;
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.technique-callout:hover,
.technique-callout.highlighted {
    border-color: var(--vert-moyen);
    box-shadow: 0 12px 30px rgba(30,58,47,0.08);
    transform: translateY(-5px);
    background: #f8fcf9;
}
.technique-orbit.callout-active .technique-callout:not(.highlighted) {
    opacity: 0.6;
    filter: grayscale(50%);
    transform: scale(0.98);
}
.technique-callout--05 {
    grid-column: 2;
    grid-row: 1;
    justify-self: center;
    max-width: min(520px, 90%);
    width: 100%;
}
.technique-callout--01 {
    grid-column: 2;
    grid-row: 4;
    justify-self: center;
    max-width: min(520px, 90%);
    width: 100%;
}
.technique-callout--06 {
    grid-column: 1;
    grid-row: 2;
    justify-self: stretch;
}
.technique-callout--03 {
    grid-column: 1;
    grid-row: 3;
    justify-self: stretch;
}
.technique-callout--04 {
    grid-column: 3;
    grid-row: 2;
    justify-self: stretch;
}
.technique-callout--02 {
    grid-column: 3;
    grid-row: 3;
    justify-self: stretch;
}
@keyframes pulse-soft {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(184, 154, 94, 0.4); }
    70% { transform: scale(1.1); box-shadow: 0 0 0 10px rgba(184, 154, 94, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(184, 154, 94, 0); }
}
.technique-num {
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .08em;
    color: var(--vert);
    background: rgba(184,154,94,.22);
    padding: .35rem .5rem;
    border-radius: 6px;
    line-height: 1;
    display: inline-block;
    animation: pulse-soft 3s infinite;
}
.technique-callout--02 .technique-num { animation-delay: 0.5s; }
.technique-callout--03 .technique-num { animation-delay: 1s; }
.technique-callout--04 .technique-num { animation-delay: 1.5s; }
.technique-callout--05 .technique-num { animation-delay: 2s; }
.technique-callout--06 .technique-num { animation-delay: 2.5s; }
.technique-body h3 {
    font-size: .95rem;
    color: var(--vert);
    margin-bottom: .35rem;
    font-weight: 600;
}
.technique-body p {
    font-size: .84rem;
    color: var(--texte-leger);
    line-height: 1.55;
    margin: 0;
}

/* --- FAQ ENHANCED & ACCORDION --- */
.faq-top-section {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    margin-bottom: 4rem;
    align-items: center;
}
.faq-video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}
.faq-video-container iframe {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    border: 0;
}

/* --- TEMOIGNAGE --- */
.temoignage-video {
    max-width: 900px;
    margin: 3.5rem auto 0;
    position: relative;
    padding-bottom: 56.25%; /* Ratio 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: 24px;
    box-shadow: 0 30px 60px rgba(15,31,24,0.15);
    border: 1px solid rgba(197, 168, 106, 0.2);
}
.temoignage-video iframe {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
}

.faq-search-container {
    max-width: 600px;
    margin: 0 auto 3rem;
    position: relative;
}

.faq-search-container input {
    width: 100%;
    padding: 1.2rem 1.5rem 1.2rem 3.5rem;
    border-radius: 99px;
    border: 1px solid var(--gris);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.faq-filters {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.btn-faq-filter {
    padding: 0.6rem 1.4rem;
    border-radius: 99px;
    background: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    border: 2px solid;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-faq-filter:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.btn-faq-filter.active {
    color: #fff;
}

/* Couleurs thématiques (Bordure et texte par défaut) */
.btn-faq-filter[data-filter="all"] { border-color: var(--vert); color: var(--vert); }
.btn-faq-filter[data-filter="urbanisme"] { border-color: #3498db; color: #3498db; }
.btn-faq-filter[data-filter="budget"] { border-color: var(--or); color: var(--or); }
.btn-faq-filter[data-filter="logistique"] { border-color: #8e44ad; color: #8e44ad; }
.btn-faq-filter[data-filter="technique"] { border-color: #34495e; color: #34495e; }
.btn-faq-filter[data-filter="entretien"] { border-color: #7f8c8d; color: #7f8c8d; }

/* État Actif (Fond plein) */
.btn-faq-filter[data-filter="all"].active { background: var(--vert); }
.btn-faq-filter[data-filter="urbanisme"].active { background: #3498db; }
.btn-faq-filter[data-filter="budget"].active { background: var(--or); }
.btn-faq-filter[data-filter="logistique"].active { background: #8e44ad; }
.btn-faq-filter[data-filter="technique"].active { background: #34495e; }
.btn-faq-filter[data-filter="entretien"].active { background: #7f8c8d; }

/* Effet de survol léger (Fond teinté) */
.btn-faq-filter[data-filter="all"]:hover:not(.active) { background: rgba(26, 52, 40, 0.05); }
.btn-faq-filter[data-filter="urbanisme"]:hover:not(.active) { background: rgba(52, 152, 219, 0.05); }
.btn-faq-filter[data-filter="budget"]:hover:not(.active) { background: rgba(197, 168, 106, 0.05); }
.btn-faq-filter[data-filter="logistique"]:hover:not(.active) { background: rgba(142, 68, 173, 0.05); }
.btn-faq-filter[data-filter="technique"]:hover:not(.active) { background: rgba(52, 73, 94, 0.05); }
.btn-faq-filter[data-filter="entretien"]:hover:not(.active) { background: rgba(127, 140, 141, 0.05); }

.faq-accordion {
    max-width: 820px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    border: 1px solid var(--gris);
    margin-bottom: 0.8rem;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--or);
    background: #fdfcf9;
    transform: translateY(-2px);
}

.faq-header {
    padding: 1.2rem 1.5rem;
    cursor: pointer;
    position: relative;
}

.faq-title-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-right: 140px; /* Réserve l'espace pour les labels à droite */
}

.faq-header h3 {
    font-size: 1.1rem;
    color: var(--vert);
    margin: 0;
    line-height: 1.3;
    font-weight: 700;
}

.faq-preview {
    font-size: 0.95rem; /* Augmenté pour correspondre à la réponse */
    color: var(--texte-leger);
    opacity: 0.7;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    max-width: 90%;
    line-height: 1.6; /* Harmonisé */
    transition: opacity 0.2s;
}

.faq-item.active .faq-preview {
    display: none;
    pointer-events: none;
}

.faq-item.active .faq-header {
    padding-bottom: 0.2rem; /* Réduit pour coller la réponse au titre */
}

.faq-labels {
    position: absolute;
    top: 1.2rem;
    right: 1.5rem;
    display: flex;
    gap: 0.4rem;
    align-items: center;
}

.faq-label {
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.6rem;
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
    border: 1px solid rgba(255,255,255,0.2);
}

/* Couleurs thématiques labels */
.label-urbanisme { background: #3498db; }
.label-technique { background: #34495e; }
.label-ventilation { background: #1abc9c; }
.label-isolation { background: #27ae60; }
.label-bardage { background: #d35400; }
.label-chantier { background: #8e44ad; }
.label-entretien { background: #7f8c8d; }
.label-budget { background: var(--or); }

.faq-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: #fdfdfb;
}

.faq-item.active .faq-body {
    max-height: 500px;
}

.faq-body p {
    padding: 0 1.5rem 1.2rem;
    font-size: 0.95rem; /* Taille identique à la preview */
    line-height: 1.6; /* Interlignage identique */
    color: var(--texte-leger);
    margin: 0;
    font-weight: 400;
}

.featured-faq {
    border-left: 4px solid var(--or) !important;
    box-shadow: 0 10px 25px rgba(197,168,106,0.08);
}

.featured-faq .faq-header h3 {
    font-weight: 700;
}
.hero-carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 0;
}
.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255,255,255,.5);
    background: rgba(0,0,0,.24);
    color: #fff;
    font-size: 1.6rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}
#carousel-prev { left: 1rem; }
#carousel-next { right: 1rem; }
#transport-carousel-prev { left: 1rem; }
#transport-carousel-next { right: 1rem; }
.hero-viewer-card .carousel-control {
    top: auto;
    bottom: 3rem;
    transform: none;
    z-index: 10;
}
.hero-viewer-card #carousel-prev {
    left: auto;
    right: 9rem;
}
.hero-viewer-card #carousel-next {
    right: 6rem;
}
.carousel-indicators {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    gap: .55rem;
}
.carousel-indicators button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,.4);
    border: none;
    cursor: pointer;
}
.carousel-indicators button.active {
    background: var(--or);
}
.viewer-fallback a { color: var(--or); text-decoration: none; }
.noyau-grid,
.steps-grid,
.cards-2,
.cards-3,
.cards-4,
.outils-grid,
.perimetre-grid,
.contact-inner { display: grid; gap: 1.2rem; }
.noyau-grid { grid-template-columns: repeat(3, 1fr); margin-top: 2rem; }
.steps-grid { grid-template-columns: repeat(5, 1fr); margin-top: 4rem; gap: 0; width: 100%; }
.cards-2 { grid-template-columns: repeat(2, 1fr); margin-top: 2rem; }
.cards-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
    gap: 1.2rem;
    margin-top: 2rem;
}
.cards-4 { grid-template-columns: repeat(4, 1fr); margin-top: 2rem; }
.outils-grid { grid-template-columns: repeat(2, 1fr); margin-top: 2rem; }
.perimetre-grid { grid-template-columns: repeat(2, 1fr); margin-top: 2rem; }

/* --- HORIZONTAL SCROLL PATH --- */
.horizontal-scroll-container {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background: var(--blanc);
}
.horizontal-scroll-wrapper {
    display: flex;
    width: 1000%; /* 10 étapes = 1000% */
    height: 100%;
    will-change: transform;
}
.step-card {
    width: 100vw;
    height: 100%;
    display: flex;
    align-items: center;
    padding: 0 10vw;
    gap: 4rem;
    position: relative;
}
.step-card img {
    width: 45%;
    height: 60vh;
    object-fit: cover;
    border-radius: 4px;
}
.step-card .content { width: 40%; }
.step-card .content h3 { font-family: 'Playfair Display', serif; font-size: 3rem; margin-bottom: 1.5rem; color: var(--vert); }
.step-card .content p { font-size: 1.1rem; color: var(--texte-leger); line-height: 1.6; }

.continuous-line {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: repeating-linear-gradient(90deg, var(--or), var(--or) 10px, transparent 10px, transparent 20px);
    z-index: 0;
    opacity: 0.3;
}

/* --- PARRAINAGE --- */
.offer-badge { background: var(--or); color: var(--vert); padding: 2rem; border-radius: 4px; margin-top: 3rem; text-align: center; }

.contact-inner { grid-template-columns: 1fr 1fr; }
@media (max-width: 760px) {
    .cards-3 {
        grid-template-columns: 1fr;
    }
}
.feature-card {
    background: #fff;
    border: 1px solid var(--gris);
    padding: 2rem 1.6rem;
    transition: all 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(15, 31, 24, 0.04);
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
}
.feature-card:hover { border-color: #d6cab5; transform: translateY(-2px); }

.feature-card:hover { 
    border-color: var(--or); 
    transform: translateY(-10px) scale(1.01);
    box-shadow: 0 25px 50px rgba(15, 31, 24, 0.1);
}

.option-image {
    transition: transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.feature-card:hover .option-image {
    transform: scale(1.05);
}

.option-image {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    display: block;
    margin-bottom: 1rem;
    background: #eae8e2;
}
.feature-card h3 {
    font-family: 'Playfair Display', serif;
    color: var(--vert);
    font-size: 1.2rem;
    margin-bottom: .5rem;
}
.feature-card p { color: var(--texte-leger); font-size: .9rem; line-height: 1.62; }
.feature-card ul { margin-top: .8rem; padding-left: 1.1rem; color: var(--texte-leger); font-size: .88rem; line-height: 1.6; }
.feature-card li + li { margin-top: .3rem; }
.personalisation-showcase {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(340px, .95fr);
    gap: 2rem;
    align-items: stretch;
    margin-top: 2rem;
    padding: 2rem;
    background: #fbfaf6;
    border: 1px solid rgba(26,52,40,.12);
    box-shadow: 0 24px 70px rgba(26,52,40,.06);
}
.personalisation-showcase__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.personalisation-kicker {
    color: var(--or);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
    margin-bottom: .85rem;
}
.personalisation-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .9rem;
    margin-top: 1.6rem;
}
.personalisation-list article {
    min-height: 150px;
    padding: 1rem;
    background: #f2eee6;
    border: 1px solid rgba(26,52,40,.08);
}
.personalisation-list span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    margin-bottom: .8rem;
    background: var(--vert);
    color: var(--or);
    font-size: .72rem;
    font-weight: 700;
}
.personalisation-list h3 {
    font-family: 'Playfair Display', serif;
    color: var(--vert);
    font-size: 1.15rem;
    margin-bottom: .45rem;
}
.personalisation-list p {
    color: var(--texte-leger);
    font-size: .88rem;
    line-height: 1.55;
}
.personalisation-palette {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: auto;
    grid-auto-rows: minmax(170px, 1fr);
    gap: .8rem;
    min-height: 430px;
}
.personalisation-palette__label {
    grid-column: 1 / -1;
    padding: .85rem 1rem;
    background: var(--vert);
    color: var(--or);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
}
.palette-card {
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: end;
    gap: 1rem;
    padding: 1.25rem;
    border-radius: 1.2rem;
    color: #fff;
    min-height: 170px;
    box-shadow: 0 24px 55px rgba(15,31,24,.09);
}
.palette-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.38), rgba(0,0,0,0) 58%);
}
.palette-card .palette-swatch {
    position: relative;
    z-index: 1;
    width: 48px;
    height: 48px;
    border-radius: 1rem;
    border: 1px solid rgba(255,255,255,.24);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.08);
}
.palette-card span {
    position: relative;
    z-index: 1;
    font-size: .88rem;
    font-weight: 700;
    letter-spacing: .02em;
    line-height: 1.3;
    text-transform: uppercase;
    text-shadow: 0 1px 12px rgba(0,0,0,.35);
}
.palette-card--joinery { background: linear-gradient(145deg, #111e18, #1c3226); }
.palette-card--joinery .palette-swatch { background: #0c1d15; }
.palette-card--kitchen { background: linear-gradient(145deg, #1f4232, #3d6b52); }
.palette-card--kitchen .palette-swatch { background: #224732; }
.palette-card--panels { background: linear-gradient(145deg, #d8c6a8, #f0e6d6 52%, #b69a73); color: var(--vert); }
.palette-card--panels .palette-swatch { background: #bda67c; border-color: rgba(26,52,40,.14); }
.palette-card--panels::after { background: linear-gradient(to top, rgba(255,255,255,.28), rgba(255,255,255,0) 54%); }
.palette-card--panels span { color: var(--vert); text-shadow: none; }
.palette-card--cladding { background: linear-gradient(145deg, #523c2b, #8b6f4e 48%, #3b2819); }
.palette-card--cladding .palette-swatch { background: #6d533d; }
.price-line {
    margin-top: .85rem;
    margin-bottom: .2rem;
    display: inline-flex;
    align-items: baseline;
    gap: .4rem;
    border-top: 1px solid rgba(0,0,0,.08);
    padding-top: .75rem;
}
.price-line strong {
    font-family: 'Playfair Display', serif;
    color: var(--vert);
    font-size: 1.35rem;
    line-height: 1;
}
.price-line span {
    color: var(--texte-leger);
    font-size: .74rem;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.offres { background: var(--vert); }
.offres .section-title, .offres .section-intro { color: #fff; }
.offres .section-intro { color: rgba(255,255,255,.62); }
.offres .feature-card { background: #192f25; border-color: rgba(255,255,255,.08); }
.offres .feature-card h3 { color: #fff; }
.offres .feature-card p, .offres .feature-card li { color: rgba(255,255,255,.68); }
.offres .price-line {
    border-top-color: rgba(255,255,255,.12);
}
.offres .price-line strong { color: var(--or); }
.offres .price-line span { color: rgba(255,255,255,.52); }
.offres .badge {
    display: inline-block;
    margin-bottom: .7rem;
    font-size: .62rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--or);
    background: rgba(184,154,94,.15);
    padding: 4px 8px;
}
.offres-note { margin-top: 1.2rem; color: rgba(255,255,255,.46); font-size: .8rem; }
.pricing-disclaimer {
    margin-top: 1.1rem;
    font-size: .76rem;
    line-height: 1.65;
    color: rgba(255,255,255,.58);
}
.pricing-disclaimer.light {
    color: var(--texte-leger);
}
.confiance { background: #fff; }
.scope-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem;
    margin-top: 1.6rem;
}
.scope-card {
    border: 1px solid rgba(255,255,255,.1);
    background: rgba(255,255,255,.05);
    padding: 1.2rem;
}
.scope-card h3 {
    font-family: 'Playfair Display', serif;
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: .5rem;
}
.scope-card ul {
    padding-left: 1.1rem;
    color: rgba(255,255,255,.68);
    font-size: .88rem;
    line-height: 1.65;
}
.trust-layout {
    display: grid;
    grid-template-columns: minmax(240px, .8fr) 1.4fr;
    gap: 1.2rem;
    margin-top: 2rem;
}
.contact-placeholder {
    background: #fff;
    border: 1px solid var(--gris);
    background: #fff;
    padding: 1.4rem;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(15, 31, 24, 0.05);
    text-align: center;
}
.contact-avatar {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(30,58,47,.12), rgba(184,154,94,.28));
    border: 1px solid #d6cab5;
    margin-bottom: 1rem;
}
.contact-placeholder strong {
    display: block;
    font-family: 'Playfair Display', serif;
    color: var(--vert);
    font-size: 1.2rem;
    margin-bottom: .25rem;
}
.contact-placeholder span {
    color: var(--texte-leger);
    font-size: .86rem;
    line-height: 1.55;
}

/* Accent de couleur spécifique pour les cartes de confiance */
.confiance .feature-card {
    border-top: 4px solid var(--vert-moyen);
    background: linear-gradient(180deg, #ffffff 0%, #f9fbf9 100%);
}

.story-row {
    margin-top: 1.8rem;
    border: 1px solid var(--gris);
    background: #fff;
    padding: 1rem 1.2rem;
}
.story-row ul { padding-left: 1.1rem; color: var(--texte-leger); line-height: 1.7; font-size: .9rem; }
.contact { background: var(--vert); }
.contact .section-title { color: #fff; }
.contact .section-intro { color: rgba(255,255,255,.6); }
.contact-info { margin-top: 1rem; display: flex; flex-direction: column; gap: .8rem; color: rgba(255,255,255,.75); font-size: .92rem; }
.contact-info a { color: var(--or); text-decoration: none; }
.contact-form {
    background: rgba(255,255,255,.14);
    border: 1px solid rgba(255,255,255,.22);
    padding: 1.2rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.form-group { display: flex; flex-direction: column; gap: .35rem; margin-bottom: .75rem; }
.form-group label { color: rgba(255,255,255,.85); text-transform: uppercase; letter-spacing: .08em; font-size: .68rem; }
.form-group input, .form-group select, .form-group textarea {
    background: rgba(255,255,255,.9);
    border: 1px solid rgba(19,38,30,.12);
    color: #13261e;
    padding: .72rem .85rem;
    font-family: 'DM Sans', sans-serif;
    font-size: .92rem;
}
.form-group textarea { min-height: 110px; resize: vertical; }
.btn-form {
    width: 100%;
    border: 0;
    background: var(--or);
    color: var(--vert);
    font-weight: 700;
    font-size: .9rem;
    padding: .9rem 1rem;
    cursor: pointer;
}
.site-footer {
    background: var(--vert-fond);
    color: rgba(255,255,255,.85);
    padding: 3.5rem 0 0;
}
.site-footer .container { max-width: 1200px; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(4, 1fr);
    gap: 2.5rem;
    padding-bottom: 2.5rem;
}
.footer-brand-logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    display: inline-block;
    margin-bottom: 1rem;
}
.footer-brand-logo span {
    font-family: 'DM Sans', sans-serif;
    font-size: .64rem;
    letter-spacing: .13em;
    text-transform: uppercase;
    color: var(--or);
    margin-left: .5rem;
    font-weight: 500;
}
.footer-brand p {
    font-size: .82rem;
    line-height: 1.65;
    color: rgba(255,255,255,.55);
    margin-bottom: .75rem;
}
.footer-heading {
    font-size: .72rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--or);
    font-weight: 600;
    margin-bottom: 1rem;
}
.footer-col details {
    margin-bottom: 0.6rem;
}
.footer-col summary {
    font-size: .84rem;
    color: rgba(255,255,255,.75);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.6rem;
    transition: color .3s;
    padding: 0.2rem 0;
}
.footer-col summary:hover { color: var(--or); }
.footer-col summary::-webkit-details-marker { display: none; }
.footer-col summary::before {
    content: '>';
    font-size: .9rem;
    color: var(--or);
    transition: transform 0.3s ease;
    display: inline-block;
}
.footer-col details[open] summary::before { transform: rotate(90deg); }
.footer-col details .footer-links {
    padding: 0.5rem 0 0.5rem 0.8rem;
    border-left: 1px solid rgba(255,255,255,0.1);
    margin-top: 0.2rem;
}
.footer-phone {
    display: block;
    font-family: 'Playfair Display', serif;
    font-size: 1.55rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    margin-bottom: .5rem;
    transition: color .3s;
}
.footer-hours {
    display: flex;
    align-items: center;
    gap: .45rem;
    font-size: .78rem;
    color: rgba(255,255,255,.5);
    margin-bottom: 1.4rem;
}
.footer-hours::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--or);
    flex-shrink: 0;
}
.footer-cta-btn {
    display: inline-block;
    background: var(--or);
    color: var(--vert);
    font-weight: 700;
    font-size: .88rem;
    text-decoration: none;
    padding: .75rem 1.4rem;
    border-radius: 4px;
    transition: background .3s, transform .3s;
}
.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: .45rem;
}
.footer-links a {
    color: rgba(255,255,255,.75);
    text-decoration: none;
    font-size: .84rem;
    transition: color .3s;
}
.footer-links li {
    list-style: none;
    line-height: 1.4;
}
.footer-links-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .35rem 1rem;
    list-style: none;
}
.footer-links-2col a {
    color: rgba(255,255,255,.75);
    text-decoration: none;
    font-size: .82rem;
    transition: color .3s;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.1);
    padding: 1.2rem 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .75rem;
    font-size: .76rem;
    color: rgba(255,255,255,.4);
}
.footer-bottom a {
    color: rgba(255,255,255,.55);
    text-decoration: none;
    transition: color .3s;
}
.footer-bottom-right {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .35rem;
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 1.2s cubic-bezier(0.215, 0.61, 0.355, 1), transform 1.2s cubic-bezier(0.215, 0.61, 0.355, 1); will-change: transform, opacity; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (max-width: 980px) {
    .hero { flex-direction: column; height: auto; min-height: auto; }
    .hero-content { padding: 6rem 2rem 1rem; max-width: 100%; }
    .hero-cta, .section-actions { flex-direction: column; align-items: stretch; }
    .hero-cta a, .section-actions a { width: 100%; }
    .hero-viewer-wrap { position: relative; width: 100%; transform: none; padding: 1rem 2rem 2rem; height: auto; }
    .technique-orbit-wrap {
        width: 100%;
        max-width: 100%;
        margin-left: 0;
        margin-right: 0;
        padding: 0 1rem;
    }
    .technique-orbit {
        grid-template-columns: 1fr;
        grid-template-rows: none;
        max-width: 100%;
        gap: .75rem;
    }
    .technique-visual--center,
    .technique-callout--01,
    .technique-callout--02,
    .technique-callout--03,
    .technique-callout--04,
    .technique-callout--05,
    .technique-callout--06 {
        grid-column: 1;
        grid-row: auto;
        justify-self: stretch;
        max-width: none;
    }
    .technique-visual--center { order: 1; padding: 0; }
    .technique-visual img { max-height: none; }
    .technique-caption { order: 8; grid-column: 1; text-align: left; }
    .faq-grid { grid-template-columns: 1fr; }
    .noyau-grid, .cards-2, .cards-3, .cards-4, .outils-grid, .perimetre-grid, .contact-inner, .kpi-row, .scope-grid, .trust-layout { grid-template-columns: 1fr; }
    .personalisation-showcase { grid-template-columns: 1fr; }
    .personalisation-palette { min-height: 360px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
    .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
    .nav { padding: .85rem 1rem; }
    .nav-links { display: none; }
    .nav-right { gap: .8rem; }
    .nav-rdv { padding: .5rem .7rem; font-size: .74rem; }
    section { padding: 4rem 0; }
    .container { padding: 0 1rem; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 1.8rem; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .menu-toggle{display:block;background:transparent;border:0;color:#fff;font-size:1.4rem;cursor:pointer}
    .nav.open .nav-links{display:flex; position:absolute;top:100%;left:0;right:0;background:rgba(19,38,30,0.98);flex-direction:column;gap:.8rem;padding:1rem 1.2rem}
    .nav.open .nav-links a{color:#fff}
    .besoins-stage img{width:100%;height:auto;max-height:60vh;object-fit:cover}
    .personalisation-showcase { padding: 1.1rem; }
    .personalisation-list { grid-template-columns: 1fr; }
    .personalisation-palette { grid-auto-rows: minmax(120px, 1fr); min-height: 0; }
}
/* Menu toggle styling */
.menu-toggle{display:none;}

/* Spécificités pour les cartes d'étapes bord à bord */
.steps-grid .feature-card {
    border: none;
    border-radius: 0;
    padding: 2rem 1.5rem 3rem;
    box-shadow: none;
    height: 100%;
}

.steps-grid .feature-card:hover {
    transform: translateY(-8px);
    z-index: 10;
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

@media (max-width: 760px) {
    .steps-grid {
        display: flex !important;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        gap: 1rem;
        padding: 0 1.5rem 2rem;
        margin-top: 2rem;
        scrollbar-width: none;
    }
    .steps-grid::-webkit-scrollbar { display: none; }
    .steps-grid .feature-card {
        flex: 0 0 85%;
        scroll-snap-align: center;
        border-radius: 12px; /* On garde les arrondis uniquement sur mobile pour le slide */
    }
}

.step-card-1 { background-color: #f2faf4 !important; }
.step-card-2 { background-color: #e6f5eb !important; }
.step-card-3 { background-color: #dbf0e2 !important; }
.step-card-4 { background-color: #cfebd9 !important; }
.step-card-5 { background-color: #c4e6d0 !important; }

/* Couleurs de fond pour la section Impact */
.impact-card-1 { background-color: #f0f7f4 !important; }
.impact-card-2 { background-color: #e6f0ec !important; }
.impact-card-3 { background-color: #dce9e4 !important; }
.impact-card-4 { background-color: #d2e2dc !important; }