/* --- INITIALISATION ET COULEURS SOMBRES --- */
:root {
    --bg-dark: #070707;
    --bordeaux: #581825;
    --vert-deep: #13221a;
    --laiton: #c4a06e;
    --beige-text: #e6e0d4;
    --white: #ffffff;
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', Arial, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    font-family: var(--font-sans);
    color: var(--white);
    overflow-x: hidden;
    line-height: 1.6;
}

/* --- TYPOGRAPHIE CLASSIQUE ET RAFFINÉE --- */
h1, h2, h3, .logo {
    font-family: var(--font-serif);
    font-weight: 300;
}

h2 {
    font-size: 2.2rem;
    letter-spacing: 0.4rem;
    margin-bottom: 35px;
    color: var(--white);
    text-transform: uppercase;
}

.section-subtitle {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.25rem;
    color: var(--laiton);
    margin-bottom: 12px;
}
.section-subtitle.center { text-align: center; }
.center { text-align: center; }

/* --- BARRE DE NAVIGATION MINIMALISTE --- */
.navbar {
    position: fixed;
    top: 0; left: 0; width: 100vw;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 50px;
    z-index: 100;
    background: linear-gradient(to bottom, rgba(7,7,7,0.8), transparent);
    backdrop-filter: blur(4px);
}

.logo {
    font-size: 1.25rem;
    letter-spacing: 0.35rem;
    color: var(--white);
}

.nav-container-right {
    display: flex;
    align-items: center;
    gap: 35px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15rem;
    opacity: 0.6;
    transition: opacity 0.3s;
}
.nav-links a:hover { opacity: 1; }

/* SÉLECTEUR DE LANGUE */
.lang-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    letter-spacing: 0.1rem;
}
.lang-btn { opacity: 0.4; cursor: pointer; transition: opacity 0.3s; user-select: none; }
.lang-btn.active, .lang-btn:hover { opacity: 1; color: var(--laiton); }
.lang-separator { opacity: 0.2; }

/* --- SLIDER NAVBAR DE CONTACT --- */
.navbar-slider-container { 
    width: 145px; 
    position: relative; 
}
.slider-track {
    position: relative;
    width: 100%;
    height: 40px;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.slider-text {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.15rem;
    opacity: 0.7;
    user-select: none;
    padding-left: 22px;
    color: var(--white);
}
.slider-handle {
    position: absolute;
    left: 4px;
    width: 32px;
    height: 32px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    z-index: 10;
    transform: translateX(0px);
    touch-action: none;
}
.slider-handle:active { cursor: grabbing; }
.mail-icon { width: 14px; height: 14px; color: var(--bg-dark); }

/* --- SECTIONS SOMBRES — LISIBILITÉ AMÉLIORÉE --- */
.content-wrapper { position: relative; width: 100%; z-index: 2; }
.site-section {
    min-height: 100vh;
    padding: 120px 8% 80px 8%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: linear-gradient(to bottom, rgba(7, 7, 7, 0.55), rgba(7, 7, 7, 0.75));
    backdrop-filter: blur(1px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

/* --- BOUTONS TRANSLUCIDES --- */
.btn {
    display: inline-block;
    padding: 15px 32px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15rem;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border-radius: 0px;
}
.btn-translucent-primary {
    background: rgba(88, 24, 37, 0.45);
    color: var(--white);
    border: 1px solid rgba(88, 24, 37, 0.6);
    backdrop-filter: blur(12px);
}
.btn-translucent-primary:hover {
    background: rgba(88, 24, 37, 0.85);
    border-color: var(--laiton);
    transform: translateY(-2px);
}
.btn-translucent-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(12px);
}
.btn-translucent-secondary:hover {
    background: var(--white);
    color: var(--bg-dark);
    transform: translateY(-2px);
}

/* --- FOND VIDÉO CONTINUE --- */
.video-background-container {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    z-index: -2; overflow: hidden;
}
.bg-video {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover;
    filter: brightness(0.7) contrast(1.02);
    will-change: filter;
}
.video-overlay {
    position: absolute; width: 100%; height: 100%;
    background: rgba(7, 7, 7, 0.3); z-index: -1;
}

/* --- 1. HERO HOME · CASCADE LETTRES + CUE SCROLL --- */
.hero-section {
    height: 100vh;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: transparent;
    backdrop-filter: none;
    padding: 0 20px;
    position: relative;
}
.hero-title {
    text-align: center;
    max-width: 950px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.hero-eyebrow {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    letter-spacing: 0.4rem;
    text-transform: uppercase;
    color: var(--laiton);
    margin-bottom: 28px;
    opacity: 0;
}
.hero-title h1 {
    font-size: 3.2rem;
    letter-spacing: 0.6rem;
    margin-bottom: 25px;
    font-weight: 300;
    overflow: hidden;
}
/* Lettres séparées pour la cascade : JS injecte les <span class="char"> */
.hero-title h1 .char {
    display: inline-block;
    transform: translateY(100%);
    opacity: 0;
    will-change: transform, opacity;
}
.hero-title h1 .char.space { width: .5em; }
.hero-tagline {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.02rem;
    letter-spacing: 0.04rem;
    white-space: nowrap;
    opacity: 0;
    line-height: 1.4;
    margin-bottom: 45px;
    color: var(--beige-text);
}
.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    width: 100%;
    opacity: 0;
}

/* Scroll cue minimaliste : un trait laiton qui pulse */
.hero-scroll-cue {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 56px;
    overflow: hidden;
    opacity: 0;
    animation: cueIn 1s cubic-bezier(.16,1,.3,1) 2.4s forwards;
    pointer-events: none;
}
.hero-scroll-line {
    display: block;
    width: 1px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(196,160,110,.7), transparent);
    animation: cuePulse 2.4s ease-in-out infinite;
}
@keyframes cueIn { to { opacity: .85; } }
@keyframes cuePulse {
    0%   { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}

/* --- 2. PHILOSOPHIE --- */
.about-container { display: flex; align-items: center; gap: 60px; max-width: 1200px; }
.about-image-box { flex: 1; height: 480px; overflow: hidden; border: 1px solid rgba(255,255,255,0.05); }
.about-img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(10%); transition: transform 0.5s; }
.about-image-box:hover .about-img { transform: scale(1.03); }
.about-text-box { flex: 1.2; text-align: left; }
.about-text { font-size: 1.05rem; font-weight: 300; opacity: 0.8; text-align: justify; margin-bottom: 20px; line-height: 1.8; color: var(--beige-text); }

/* --- 3. SERVICES (PHOTO EN FOND + GLOW + ILLUMINATION AU HOVER) --- */
.services-wrapper { max-width: 1200px; width: 100%; }
.services-steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 30px; margin-top: 35px; }
.step-item {
    position: relative;
    height: 350px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: border-color 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.step-item:hover {
    transform: translateY(-5px);
    border-color: var(--laiton);
}

/* Image en arrière-plan de la case, nette mais en retrait */
.step-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.55;
    filter: saturate(0.85) brightness(0.75);
    transform: scale(1.04);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                filter 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                transform 1.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 0;
    will-change: opacity, transform, filter;
}
.step-item:hover .step-bg {
    opacity: 1;
    filter: saturate(1.08) brightness(1);
    transform: scale(1.0);
}

.step-content {
    position: relative; width: 100%; height: 100%;
    padding: 36px 30px 30px;
    /* Voile sombre plus léger en haut, plus marqué en bas pour le texte */
    background: linear-gradient(180deg, rgba(7,7,7,0.15) 0%, rgba(7,7,7,0.40) 50%, rgba(7,7,7,0.78) 100%);
    /* Grille à 3 rangs : titre figé en haut, espace au milieu, description en bas */
    display: grid;
    grid-template-rows: auto 1fr auto;
    z-index: 2;
    /* Pas de backdrop-blur : l'image reste nette */
    transition: background 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.step-content h3 {
    grid-row: 1;
    font-size: 1.25rem;
    margin: 0;
    letter-spacing: 0.1rem;
    line-height: 1.3;
    color: var(--white);
    min-height: 3.25em;        /* réserve la hauteur pour 2 lignes max */
    display: flex;
    align-items: flex-start;
    transition: color 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}
.step-content p {
    grid-row: 3;
    font-size: 0.9rem;
    font-weight: 300;
    opacity: 0.82;
    line-height: 1.7;
    color: var(--white);
    margin: 0;
    transition: opacity 0.45s ease;
}
.step-item:hover .step-content {
    /* Au survol, le voile s'allège encore plus pour révéler la photo en pleine netteté */
    background: linear-gradient(180deg, rgba(7,7,7,0.05) 0%, rgba(7,7,7,0.25) 45%, rgba(7,7,7,0.78) 100%);
}
.step-item:hover .step-content h3 { color: var(--laiton); }
.step-item:hover .step-content p { opacity: 0.92; }

/* Halo de couleur thématique au hover */
.step-glow {
    position: absolute;
    top: 20%; left: 20%;
    width: 60%; height: 60%;
    filter: blur(50px);
    opacity: 0;
    z-index: 1;
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
    mix-blend-mode: screen;
}
.glow-1 { background: radial-gradient(circle, rgba(88, 24, 37, 0.55) 0%, transparent 70%); }
.glow-2 { background: radial-gradient(circle, rgba(19, 34, 26, 0.65) 0%, transparent 70%); }
.glow-3 { background: radial-gradient(circle, rgba(196, 160, 110, 0.45) 0%, transparent 70%); }
.glow-4 { background: radial-gradient(circle, rgba(88, 24, 37, 0.45) 0%, transparent 70%); }
.step-item:hover .step-glow { opacity: 1; }

/* --- 4. UNIVERS (MOODBOARD) --- */
.univers-container { width: 100%; max-width: 1200px; }
.moodboard-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; margin-top: 35px; }
.mood-item { position: relative; height: 280px; overflow: hidden; border: 1px solid rgba(255,255,255,0.05); }
.mood-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.mood-item:hover img { transform: scale(1.04); }
.mood-caption { position: absolute; bottom: 0; left: 0; width: 100%; padding: 15px; background: linear-gradient(to top, rgba(7,7,7,0.9), transparent); color: white; font-size: 0.8rem; letter-spacing: 0.1rem; text-transform: uppercase; font-weight: 300; }
.item-large { grid-row: span 2; height: 585px; }
.item-wide { grid-column: span 2; }

/* --- 5. PROJET EN COURS · TEXTE CENTRÉ + GRILLE 4 SLIDERS --- */
.project-wrapper {
    max-width: 1200px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 60px;
}
.project-intro {
    max-width: 820px;
    width: 100%;
    text-align: center;
}
.project-desc {
    font-size: 1rem;
    font-weight: 300;
    opacity: 0.85;
    line-height: 1.85;
    color: var(--beige-text);
    text-align: left;          /* justifié interne mais bloc centré */
    margin-top: 10px;
}

/* Grille de 4 mini-sliders alignés comme la section services */
.project-cards-grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    align-items: start;          /* respecte l'aspect-ratio des cartes, pas d'étirement */
}
.project-card {
    position: relative;
    width: 100%;
    aspect-ratio: 7 / 10;        /* portrait, identique aux images sources 1050×1500 */
    border: 1px solid rgba(255,255,255,0.08);
    overflow: hidden;
    transition: border-color 0.5s ease;
}
.project-card:hover { border-color: rgba(196,160,110,0.4); }

/* Le composant .before-after fonctionne tel quel à l'intérieur de chaque carte.
   On réduit juste la poignée et les étiquettes pour qu'elles restent
   proportionnées au format réduit. */
.project-card .ba-grip { width: 36px; height: 36px; }
.project-card .ba-handle { width: 50px; }
.project-card .ba-label {
    bottom: 12px;
    font-size: 0.6rem;
    letter-spacing: 0.2rem;
    padding: 5px 10px;
}
.project-card .ba-label-before { left: 12px; }
.project-card .ba-label-after { right: 12px; }

/* Slider before/after : la 3D se révèle au-dessus du chantier en glissant la poignée.
   Position contrôlée par --ba-position (0-100%). Clip-path coupe l'image AVANT
   pour ne laisser visible que sa portion à gauche de la poignée. */
.before-after {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    cursor: ew-resize;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -webkit-touch-callout: none;  /* iOS : pas de menu contextuel sur long-press */
    --ba-position: 55%;
    touch-action: none;
}
.before-after.dragging { cursor: grabbing; }
.ba-after, .ba-before {
    position: absolute;
    inset: 0;
}
.ba-after img,
.ba-before img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;           /* préserve l'image entière, jamais de crop */
    pointer-events: none;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -webkit-user-drag: none;
    -webkit-touch-callout: none;
}
/* Les images AVANT restent en couleur mais en retrait :
   moins lumineuses, moins saturées, moins de contraste.
   L'œil va naturellement vers l'APRÈS qui ressort plus. */
.ba-before img {
    filter: brightness(0.58) saturate(0.7) contrast(0.95);
    transition: filter 0.4s ease;
}
.ba-before {
    clip-path: polygon(0 0, var(--ba-position) 0, var(--ba-position) 100%, 0 100%);
    transition: clip-path 0.08s linear;
}
.before-after.dragging .ba-before { transition: none; }

/* Poignée centrée sur la ligne de séparation */
.ba-handle {
    position: absolute;
    top: 0; bottom: 0;
    left: var(--ba-position);
    width: 64px;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 4;
    transition: left 0.08s linear;
}
.before-after.dragging .ba-handle { transition: none; }
.ba-line {
    position: absolute;
    top: 0; bottom: 0;
    left: 50%;
    width: 2px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.4);
    transform: translateX(-50%);
}
.ba-grip {
    position: relative;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    color: var(--bg-dark);
    box-shadow: 0 6px 22px rgba(0, 0, 0, 0.45), inset 0 0 0 1px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                background 0.35s ease;
}
.before-after:hover .ba-grip { transform: scale(1.1); }
.before-after.dragging .ba-grip {
    transform: scale(0.95);
    background: var(--laiton);
    color: var(--white);
}

/* Étiquettes Avant / Après en bas, glassmorphe */
.ba-label {
    position: absolute;
    bottom: 18px;
    z-index: 5;
    font-size: 0.7rem;
    font-family: var(--font-sans);
    text-transform: uppercase;
    letter-spacing: 0.25rem;
    color: var(--white);
    padding: 8px 16px;
    background: rgba(7, 7, 7, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    pointer-events: none;
    user-select: none;
    transition: opacity 0.35s ease;
}
.ba-label-before { left: 18px; }
.ba-label-after { right: 18px; }

/* --- 6. JOURNAL --- */
.journal-wrapper { max-width: 1200px; width: 100%; }
.journal-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 35px; margin-top: 35px; }
.journal-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}
.journal-card-link:hover .journal-card-arrow { color: var(--laiton); transform: translateX(4px); }
.journal-card-link:hover .journal-img-box img { transform: scale(1.04); }
.journal-card-arrow {
    display: inline-block;
    margin-top: 12px;
    font-size: 0.75rem;
    letter-spacing: 0.15rem;
    text-transform: uppercase;
    color: var(--beige-text);
    opacity: 0.7;
    transition: color 0.35s ease, transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.journal-card { text-align: left; background: transparent; }
.journal-img-box { width: 100%; height: 240px; overflow: hidden; margin-bottom: 20px; border: 1px solid rgba(255,255,255,0.05); }
.journal-img-box img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.journal-card:hover .journal-img-box img { transform: scale(1.03); }
.journal-date { font-size: 0.75rem; color: var(--laiton); display: block; margin-bottom: 8px; }
.journal-card h3 { font-size: 1.3rem; line-height: 1.5; font-weight: 400; color: var(--white); margin-bottom: 12px; }
.journal-card p { font-size: 0.9rem; font-weight: 300; opacity: 0.65; color: var(--beige-text); line-height: 1.6; }

/* --- 7. FAQ --- */
.faq-container { width: 100%; max-width: 800px; }
.faq-list { margin-top: 25px; width: 100%; }
.faq-item { border-bottom: 1px solid rgba(255,255,255,0.08); padding: 22px 0; }
.faq-question { display: flex; justify-content: space-between; align-items: center; cursor: pointer; user-select: none; }
.faq-question h3 { font-size: 1.15rem; font-family: var(--font-sans); font-weight: 300; }
.faq-icon { font-size: 1.4rem; font-weight: 200; color: var(--laiton); transition: transform 0.3s; }
.faq-answer { max-height: 0; opacity: 0; transition: max-height 0.4s ease, opacity 0.3s; overflow: hidden; }
.faq-answer p { padding-top: 15px; font-size: 0.95rem; font-weight: 300; opacity: 0.65; line-height: 1.7; }
.faq-item.active .faq-icon { transform: rotate(45deg); color: var(--white); }
.faq-item.active .faq-answer { max-height: 160px; opacity: 1; }

/* --- 8. CARTES FORMULAIRE DE CONTACT --- */
.contact-form-card { max-width: 850px; width: 100%; background: rgba(7, 7, 7, 0.5); border: 1px solid rgba(255, 255, 255, 0.08); padding: 50px 70px; backdrop-filter: blur(20px); }
.contact-intro { font-family: var(--font-serif); font-style: italic; font-size: 1.2rem; color: var(--beige-text); margin-bottom: 40px; }
.studio-contact-form { display: flex; flex-direction: column; gap: 25px; width: 100%; }
.form-group-row { display: flex; gap: 25px; }
.studio-contact-form input, .studio-contact-form textarea, .studio-contact-form select {
    width: 100%; padding: 15px 5px; background: transparent; border: none; border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    font-family: var(--font-sans); font-size: 0.95rem; color: var(--white); font-weight: 300; outline: none; transition: border-color 0.3s;
}
.studio-contact-form input:focus, .studio-contact-form textarea:focus, .studio-contact-form select:focus { border-color: var(--laiton); }

/* Menus déroulants : flèche dorée custom + couleurs accordées au formulaire */
.studio-contact-form select {
    -webkit-appearance: none; -moz-appearance: none; appearance: none;
    cursor: pointer;
    padding-right: 28px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23c4a06e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 4px center;
}
/* Aspect "placeholder" tant qu'aucune option réelle n'est choisie */
.studio-contact-form select:has(option[value=""]:checked) { color: rgba(255, 255, 255, 0.5); }
/* Liste déroulante lisible sur fond sombre */
.studio-contact-form select option { background: var(--vert-deep); color: var(--beige-text); }
.studio-contact-form select option[disabled] { color: rgba(255, 255, 255, 0.4); }
.form-submit-btn { width: fit-content; margin: 20px auto 0 auto; padding: 16px 45px; cursor: pointer; }

/* --- POPUP COMPACT ET ÉLÉGANT --- */
.contact-overlay-popup {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(5, 5, 5, 0.9); backdrop-filter: blur(20px);
    z-index: 200; display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: all 0.4s ease;
}
.contact-overlay-popup.active { opacity: 1; visibility: visible; }
.popup-content {
    background: var(--vert-deep); border: 1px solid rgba(196,160,110,0.25);
    padding: 50px; max-width: 650px; width: 90%; text-align: center; position: relative;
}
.close-popup-btn { position: absolute; top: 20px; right: 25px; background: none; border: none; color: white; font-size: 2rem; font-weight: 100; cursor: pointer; opacity: 0.6; }
.close-popup-btn:hover { opacity: 1; }
.popup-content h2 { font-size: 2.2rem; letter-spacing: 0.5rem; margin-bottom: 20px; color: var(--laiton); }
.popup-philosophical { font-family: var(--font-serif); font-size: 1.1rem; font-style: italic; opacity: 0.85; margin-bottom: 35px; color: var(--beige-text); }
.popup-info-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 25px; text-align: left; }
.info-block.full-width { grid-column: span 2; background: rgba(255,255,255,0.03); padding: 20px; border: 1px solid rgba(255,255,255,0.05); text-align: center; }
.info-block h3 { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.15rem; color: var(--laiton); margin-bottom: 8px; }
.info-value { font-size: 1.2rem; color: white; text-decoration: none; font-weight: 200; }
a.info-value:hover { color: var(--laiton); text-decoration: underline; }
.hours-highlight { font-size: 1.25rem; }
.responsiveness-badge { display: inline-block; margin-top: 8px; background: rgba(196,160,110,0.15); color: var(--laiton); padding: 4px 14px; font-size: 0.7rem; text-transform: uppercase; border-radius: 20px; }

/* =========================================================
   PREMIUM OVERRIDES · UNIVERS, PROJET, FORM STATUS, REVEALS
   ========================================================= */

/* UNIVERS · moodboard plus filmique */
.mood-item { transition: border-color .5s ease; }
.mood-item img {
    transition: transform 1.1s cubic-bezier(.16,1,.3,1), filter .7s ease;
    filter: saturate(.95) brightness(.92);
    will-change: transform;
}
.mood-item:hover { border-color: rgba(196,160,110,.4); }
.mood-item:hover img { transform: scale(1.06); filter: saturate(1.05) brightness(1); }
.mood-caption {
    padding: 18px;
    transform: translateY(8px);
    opacity: 0.85;
    transition: transform .55s cubic-bezier(.16,1,.3,1), opacity .4s ease, color .4s ease;
}
.mood-item:hover .mood-caption {
    transform: translateY(0);
    opacity: 1;
    color: var(--laiton);
}
.mood-caption::before {
    content: '';
    display: inline-block;
    width: 18px; height: 1px;
    background: var(--laiton);
    vertical-align: middle;
    margin-right: 12px;
    transform-origin: left;
    transform: scaleX(.4);
    transition: transform .55s cubic-bezier(.16,1,.3,1);
}
.mood-item:hover .mood-caption::before { transform: scaleX(1); }

/* PROJET EN COURS · image qui respire en boucle, tags hover laiton */
.project-gallery-side {
    transition: border-color .5s ease;
}
.project-gallery-side:hover { border-color: rgba(196,160,110,.3); }
.gallery-stack img {
    will-change: transform;
    transition: transform 1.2s cubic-bezier(.16,1,.3,1), opacity .5s ease, filter .5s ease;
    animation: projetBreath 26s ease-in-out infinite alternate;
}
.project-gallery-side:hover .gallery-stack img {
    transform: scale(1.04);
    opacity: 1;
    filter: saturate(1.05);
}
@keyframes projetBreath {
    0%   { transform: scale(1.00); }
    100% { transform: scale(1.05); }
}
.materials-tags span {
    transition: border-color .35s ease, color .35s ease, transform .35s ease, background .35s ease;
    cursor: default;
}
.materials-tags span:hover {
    border-color: var(--laiton);
    color: var(--laiton);
    background: rgba(196,160,110,.06);
    transform: translateY(-2px);
}

/* JOURNAL · cartes premium */
.journal-card {
    transition: transform .4s cubic-bezier(.16,1,.3,1);
}
.journal-card:hover { transform: translateY(-4px); }
.journal-card h3 {
    transition: color .35s ease;
}
.journal-card:hover h3 { color: var(--laiton); }

/* SERVICES · liseré laiton plus présent au hover */
.step-item:hover .step-content h3 {
    color: var(--white);
    transition: color .4s ease;
}

/* FORM STATUS · message après envoi */
.form-status {
    margin-top: 24px;
    text-align: center;
    font-size: 0.85rem;
    letter-spacing: 0.05rem;
    color: var(--beige-text);
    min-height: 24px;
    opacity: 0;
    transition: opacity .4s ease;
}
.form-status.show { opacity: 1; }
.form-status.success { color: var(--laiton); }
.form-status.error { color: #e89a8a; }
.studio-contact-form.sending button {
    pointer-events: none;
    opacity: 0.6;
}
.studio-contact-form.sent {
    opacity: 0.4;
    pointer-events: none;
}

/* REVEALS · état initial avant que GSAP prenne le relais */
.js-reveal {
    opacity: 0;
    transform: translateY(40px);
    will-change: opacity, transform;
}

/* =========================================================
   MENU MOBILE · hamburger + overlay plein écran
   (cachés sur desktop, activés dans les media queries)
   ========================================================= */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 38px;
    height: 38px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 210;
}
.nav-toggle span {
    display: block;
    width: 100%;
    height: 1.5px;
    background: var(--white);
    transition: transform 0.35s cubic-bezier(0.16,1,0.3,1), opacity 0.25s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 150;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
    background: rgba(7,7,7,0.97);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.16,1,0.3,1), visibility 0.4s;
}
.mobile-menu.open { opacity: 1; visibility: visible; transform: translateY(0); }
.mobile-menu-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
}
.mobile-menu-links a {
    color: var(--white);
    text-decoration: none;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    letter-spacing: 0.15rem;
    text-transform: uppercase;
    opacity: 0.85;
    transition: color 0.3s ease, opacity 0.3s ease;
}
.mobile-menu-links a:hover,
.mobile-menu-links a:active { color: var(--laiton); opacity: 1; }
.mobile-menu-contact {
    margin-top: 10px;
    border: 1px solid rgba(196,160,110,0.5);
    padding: 14px 40px;
    font-size: 1rem !important;
    color: var(--laiton) !important;
}
.mobile-menu-lang {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    letter-spacing: 0.12rem;
}
body.menu-locked { overflow: hidden; }

/* =========================================================
   RESPONSIVE
   ========================================================= */

/* --- TABLETTE (≤ 1024px) --- */
@media (max-width: 1024px) {
    .navbar { padding: 22px 32px; }
    .nav-container-right { gap: 24px; }
    .nav-links { gap: 22px; }
    .site-section { padding: 110px 6% 70px; }
    h2 { font-size: 2rem; letter-spacing: 0.3rem; }
    .about-container { gap: 40px; }
    .about-image-box { height: 420px; }
    .moodboard-grid { grid-template-columns: repeat(2, 1fr); }
    .item-large { grid-row: span 1; height: 280px; }
    .item-wide { grid-column: span 2; }
    .project-cards-grid { grid-template-columns: repeat(2, 1fr); }
}

/* --- MOBILE (≤ 768px) --- */
@media (max-width: 768px) {
    /* Navbar : on masque les liens + langue + slider, on montre le hamburger */
    .navbar { padding: 16px 20px; }
    .nav-links,
    .lang-selector,
    .navbar-slider-container { display: none; }
    .nav-toggle { display: flex; }
    .logo { font-size: 1.05rem; letter-spacing: 0.25rem; }

    /* Hero */
    .hero-section { padding: 0 24px; }
    .hero-eyebrow { font-size: 0.62rem; letter-spacing: 0.3rem; margin-bottom: 20px; }
    .hero-title h1 { font-size: 2.1rem; letter-spacing: 0.3rem; }
    .hero-tagline { white-space: normal; font-size: 0.95rem; line-height: 1.6; margin-bottom: 35px; }
    .hero-buttons { flex-direction: column; gap: 14px; align-items: center; }
    .hero-buttons .btn { width: 100%; max-width: 280px; text-align: center; }

    /* Sections génériques */
    .site-section { padding: 90px 22px 60px; min-height: auto; }
    h2 { font-size: 1.7rem; letter-spacing: 0.25rem; margin-bottom: 28px; }

    /* Philosophie */
    .about-container { flex-direction: column; gap: 32px; }
    .about-image-box { width: 100%; height: 300px; }
    .about-text { text-align: left; font-size: 1rem; }

    /* Services */
    .services-steps-grid { grid-template-columns: 1fr; gap: 18px; }
    .step-item { height: 300px; }

    /* Univers */
    .moodboard-grid { grid-template-columns: 1fr; gap: 16px; }
    .item-large, .item-wide { grid-row: span 1; grid-column: span 1; height: 260px; }
    .mood-item { height: 260px; }

    /* Projet en cours */
    .project-wrapper { gap: 40px; }
    .project-cards-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .project-card .ba-grip { width: 30px; height: 30px; }
    .project-card .ba-label { font-size: 0.5rem; letter-spacing: 0.12rem; padding: 4px 8px; bottom: 10px; }
    .project-desc { font-size: 0.95rem; }

    /* Journal */
    .journal-grid { grid-template-columns: 1fr; gap: 30px; }
    .journal-img-box { height: 220px; }

    /* FAQ */
    .faq-question h3 { font-size: 1rem; padding-right: 14px; }
    .faq-item.active .faq-answer { max-height: 320px; }

    /* Contact */
    .form-group-row { flex-direction: column; gap: 25px; }
    .contact-form-card { padding: 38px 22px; }
    .contact-intro { font-size: 1.05rem; }

    /* Popup contact */
    .popup-content { padding: 40px 24px; }
    .popup-content h2 { font-size: 1.8rem; letter-spacing: 0.3rem; }
    .popup-info-grid { grid-template-columns: 1fr; }
    .info-block.full-width { grid-column: span 1; }
}

/* --- PETIT MOBILE (≤ 480px) --- */
@media (max-width: 480px) {
    .hero-title h1 { font-size: 1.7rem; letter-spacing: 0.2rem; }
    .hero-tagline { font-size: 0.88rem; }
    h2 { font-size: 1.5rem; }
    .project-cards-grid { grid-template-columns: 1fr; gap: 18px; }
    .project-card { aspect-ratio: 4 / 5; }
    .step-item { height: 280px; }
    .mobile-menu-links a { font-size: 1.3rem; }
}

/* --- TABLETTE : on bascule sur le menu hamburger dès 960px ---
   (les iPad en portrait ~768–834px évitent ainsi une navbar tassée) */
@media (max-width: 960px) {
    .nav-links,
    .lang-selector,
    .navbar-slider-container { display: none; }
    .nav-toggle { display: flex; }
}

/* =========================================================
   PIED DE PAGE
   ========================================================= */
.site-footer {
    position: relative; z-index: 2;
    background: linear-gradient(to bottom, rgba(7,7,7,0.85), #050505);
    border-top: 1px solid rgba(196,160,110,0.18);
    color: var(--beige-text);
    padding: 70px 8% 28px;
}
.footer-inner {
    max-width: 1200px; margin: 0 auto;
    display: grid; grid-template-columns: 1.5fr 1fr 1.2fr 1fr; gap: 48px;
}
.footer-logo { font-family: var(--font-serif); font-size: 1.2rem; letter-spacing: 0.3rem; color: var(--white); margin-bottom: 16px; }
.footer-tagline { font-size: 0.9rem; line-height: 1.7; opacity: 0.75; margin-bottom: 14px; max-width: 320px; }
.footer-area { font-size: 0.78rem; letter-spacing: 0.04rem; color: var(--laiton); opacity: 0.9; }
.footer-col h3 { font-family: var(--font-sans); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.22rem; color: var(--laiton); margin-bottom: 18px; font-weight: 500; }
.footer-nav a, .footer-contact a, .footer-contact span {
    display: block; color: var(--beige-text); text-decoration: none;
    font-size: 0.88rem; font-weight: 300; opacity: 0.78; margin-bottom: 10px;
    transition: opacity 0.3s, color 0.3s;
}
.footer-nav a:hover, .footer-contact a:hover { opacity: 1; color: var(--laiton); }
.footer-bottom {
    max-width: 1200px; margin: 48px auto 0; padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.08);
    display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
    font-size: 0.76rem; opacity: 0.65;
}
.footer-legal a { color: var(--beige-text); text-decoration: none; margin-left: 18px; opacity: 0.85; transition: color 0.3s; }
.footer-legal a:hover { color: var(--laiton); }
@media (max-width: 1024px) { .footer-inner { grid-template-columns: 1fr 1fr; gap: 36px; } }
@media (max-width: 600px) {
    .site-footer { padding: 50px 22px 24px; }
    .footer-inner { grid-template-columns: 1fr; gap: 30px; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .footer-legal a { margin: 8px 18px 0 0; }
}

/* =========================================================
   PAGES SERVICES (gabarit dédié, responsive)
   ========================================================= */
body.service-page { background: var(--bg-dark); }

.svc-topbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 6%;
    background: linear-gradient(to bottom, rgba(7,7,7,0.85) 0%, rgba(7,7,7,0) 100%);
    backdrop-filter: blur(4px);
}
.svc-topbar .article-logo { font-family: var(--font-serif); font-size: 1.05rem; letter-spacing: 0.3rem; color: var(--white); text-decoration: none; }
.svc-topbar-links { display: flex; align-items: center; gap: 26px; }
.svc-topbar-links a { color: var(--beige-text); text-decoration: none; font-size: 0.72rem; letter-spacing: 0.18rem; text-transform: uppercase; opacity: 0.8; transition: color .3s, opacity .3s; }
.svc-topbar-links a:hover { color: var(--laiton); opacity: 1; }

.svc-hero {
    position: relative; min-height: 78vh;
    display: flex; align-items: center;
    padding: 140px 6% 90px; overflow: hidden;
}
.svc-hero-bg { position: absolute; inset: 0; z-index: 0; }
.svc-hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.svc-hero::after {
    content: ''; position: absolute; inset: 0; z-index: 1;
    background: linear-gradient(90deg, rgba(7,7,7,0.85) 0%, rgba(7,7,7,0.55) 45%, rgba(7,7,7,0.25) 100%);
}
.svc-hero-content { position: relative; z-index: 2; max-width: 720px; }
.svc-hero .section-subtitle { color: var(--laiton); }
.svc-hero h1 {
    font-family: var(--font-serif); font-weight: 300;
    font-size: clamp(2rem, 4.5vw, 3.2rem); line-height: 1.12;
    color: var(--white); margin: 10px 0 22px; text-transform: none; letter-spacing: 0.01em;
}
.svc-hero p { font-size: 1.05rem; font-weight: 300; line-height: 1.8; color: var(--beige-text); opacity: 0.9; margin-bottom: 32px; max-width: 600px; }

.svc-section { max-width: 1100px; margin: 0 auto; padding: 80px 6%; }
.svc-section h2 { font-size: 1.9rem; letter-spacing: 0.1rem; text-transform: none; margin-bottom: 14px; }
.svc-section > p.svc-lead { font-size: 1.05rem; font-weight: 300; line-height: 1.8; color: var(--beige-text); opacity: 0.85; max-width: 760px; margin-bottom: 40px; }

.svc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.svc-card {
    border: 1px solid rgba(255,255,255,0.08); padding: 30px 28px;
    background: rgba(255,255,255,0.02); transition: border-color .4s, transform .4s;
}
.svc-card:hover { border-color: rgba(196,160,110,0.4); transform: translateY(-4px); }
.svc-card h3 { font-family: var(--font-serif); font-weight: 400; font-size: 1.2rem; color: var(--white); margin-bottom: 12px; }
.svc-card p { font-size: 0.92rem; font-weight: 300; line-height: 1.7; color: var(--beige-text); opacity: 0.82; }

.svc-steps { counter-reset: step; display: grid; gap: 22px; max-width: 820px; }
.svc-step { position: relative; padding-left: 64px; }
.svc-step::before {
    counter-increment: step; content: counter(step, decimal-leading-zero);
    position: absolute; left: 0; top: -4px;
    font-family: var(--font-serif); font-size: 1.6rem; color: var(--laiton);
}
.svc-step h3 { font-family: var(--font-sans); font-weight: 500; font-size: 1.02rem; color: var(--white); margin-bottom: 6px; letter-spacing: 0.02rem; }
.svc-step p { font-size: 0.92rem; font-weight: 300; line-height: 1.7; color: var(--beige-text); opacity: 0.82; }

.svc-faq { max-width: 820px; }
.svc-faq-item { border-bottom: 1px solid rgba(255,255,255,0.08); padding: 22px 0; }
.svc-faq-item h3 { font-family: var(--font-sans); font-weight: 400; font-size: 1.05rem; color: var(--white); margin-bottom: 10px; }
.svc-faq-item p { font-size: 0.92rem; font-weight: 300; line-height: 1.7; color: var(--beige-text); opacity: 0.82; }

.svc-cta-band {
    max-width: 1100px; margin: 0 auto 90px; padding: 56px 6%;
    text-align: center; border-top: 1px solid rgba(255,255,255,0.1); border-bottom: 1px solid rgba(255,255,255,0.1);
}
.svc-cta-band h2 { font-size: 1.7rem; margin-bottom: 18px; text-transform: none; }
.svc-cta-band p { color: var(--beige-text); opacity: 0.85; margin-bottom: 28px; font-family: var(--font-serif); font-style: italic; font-size: 1.08rem; }

.svc-related { max-width: 1100px; margin: 0 auto 70px; padding: 0 6%; }
.svc-related-label { display: block; text-align: center; color: var(--laiton); font-size: 0.7rem; letter-spacing: 0.28rem; text-transform: uppercase; margin-bottom: 22px; }
.svc-related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.svc-related-grid a {
    display: block; padding: 18px 20px; border: 1px solid rgba(255,255,255,0.1);
    color: var(--beige-text); text-decoration: none; font-size: 0.9rem; transition: color .3s, border-color .3s;
}
.svc-related-grid a:hover { color: var(--laiton); border-color: rgba(196,160,110,0.4); }

/* Responsive pages services */
@media (max-width: 768px) {
    .svc-topbar { padding: 16px 22px; }
    .svc-topbar-links { gap: 16px; }
    .svc-hero { min-height: 70vh; padding: 120px 22px 70px; }
    .svc-hero::after { background: linear-gradient(180deg, rgba(7,7,7,0.55) 0%, rgba(7,7,7,0.8) 100%); }
    .svc-section { padding: 56px 22px; }
    .svc-section h2 { font-size: 1.5rem; }
    .svc-cta-band { padding: 44px 22px; }
}
@media (max-width: 480px) {
    .svc-topbar-links a:not(.svc-topbar-contact) { display: none; }
    .svc-step { padding-left: 52px; }
}

/* Blocs services de l'accueil rendus cliquables */
.step-link { display: block; text-decoration: none; color: inherit; height: 100%; }
.step-content { grid-template-rows: auto 1fr auto auto; }
.step-cue {
    grid-row: 4;
    font-size: 0.72rem; letter-spacing: 0.15rem; text-transform: uppercase;
    color: var(--laiton); margin-top: 14px;
    opacity: 0; transform: translateY(6px);
    transition: opacity .45s cubic-bezier(.16,1,.3,1), transform .45s cubic-bezier(.16,1,.3,1);
}
.step-item:hover .step-cue { opacity: 1; transform: translateY(0); }