@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Playfair+Display:ital,wght@0,600;0,700;1,600&display=swap');
:root{--ink:#182019;--paper:#f5f2eb;--sand:#e6dfd2;--accent:#a87b48;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"DM Sans",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.6}.container{width:min(1180px,90%);margin:auto}.header{position:absolute;top:0;left:0;width:100%;z-index:10;color:#fff}.nav{height:88px;display:flex;align-items:center;justify-content:space-between}.logo{color:inherit;text-decoration:none;font-weight:700;letter-spacing:.16em;font-size:1rem}.logo span{font-size:1.45rem;letter-spacing:.05em}nav{display:flex;align-items:center;gap:26px}nav a{color:inherit;text-decoration:none;font-size:.88rem}.nav-cta{border:1px solid rgba(255,255,255,.7);padding:10px 16px}.menu-btn{display:none;background:none;border:0;color:#fff;font-size:1.5rem}/* Accueil : photographie de réalisation en arrière-plan, avec voile vert profond */
.hero{min-height: min(900px,100svh);min-height:100vh;background-color:#172019;background-image:url("realisation-01.jpg");background-position:center 52%;background-size:cover;background-repeat:no-repeat;position:relative;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(18,29,22,.94) 0%,rgba(24,36,27,.84) 38%,rgba(24,36,27,.48) 68%,rgba(24,36,27,.22) 100%),linear-gradient(0deg,rgba(18,29,22,.28),rgba(18,29,22,.08))}
.hero:after{content:"";position:absolute;width:55vw;height:55vw;border:1px solid rgba(255,255,255,.12);border-radius:50%;right:-18vw;bottom:-30vw;z-index:1;pointer-events:none}.hero-content{position:relative;z-index:2;padding-top:100px;padding-bottom:50px;max-width:1180px;width:min(1180px,90%)}.eyebrow{letter-spacing:.18em;font-size:.72rem;font-weight:700;margin:0 0 18px;color:#e6d8c4}.eyebrow.dark{color:var(--accent)}h1,h2,h3{line-height:1.08;margin:0 0 22px}h1,h2{font-family:"Playfair Display",serif}h1{font-size:clamp(3.2rem,7vw,7rem);max-width:900px}h1 em{color:#d9c19f}.hero-text{max-width:600px;font-size:1.15rem;color:#eef0ed}.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}.btn{display:inline-block;padding:14px 23px;text-decoration:none;border:1px solid transparent;font-weight:700;font-size:.9rem;cursor:pointer}.btn-primary{background:var(--accent);color:#fff}.btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}.scroll{position:absolute;bottom:28px;left:50%;z-index:2;font-size:1.5rem}.section{padding:105px 0}h2{font-size:clamp(2.25rem,4.2vw,4.2rem)}.two-cols{display:grid;grid-template-columns:1fr 1fr;gap:100px}.two-cols p{font-size:1.06rem}.text-link{color:var(--accent);font-weight:700;text-decoration:none}.alt{background:#e9e3d9}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#d6cec1;margin-top:45px}.card{background:#f8f6f1;padding:34px;min-height:260px}.card span{color:var(--accent);font-weight:700}.card h3{font-size:1.45rem;margin-top:55px}.feature-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:80px;align-items:center}.feature-visual{min-height:560px;overflow:hidden;background:transparent;display:grid;place-items:center}.feature-visual img{width:94%;height:94%;min-height:0;display:block;object-fit:contain;object-position:center}.feature-visual small,.placeholder small{display:block;font-family:"DM Sans";font-size:.7rem;letter-spacing:.1em;margin-top:10px}.feature-content li{margin:7px 0}.section-head{display:flex;justify-content:space-between;gap:50px;align-items:end}.section-head>p{max-width:380px} .projects-layout{margin-top:45px;display:flex;flex-direction:column;gap:34px}.project-row{width:100%;padding:34px;border:1px solid rgba(23,32,25,.09);border-radius:2px}.project-row-two{display:grid;grid-template-columns:minmax(0,2fr) minmax(180px,.75fr);gap:35px;align-items:center;background:#f7f4ee}.project-row-three{background:#8d958b}.project-images-three{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.project-row-three .project-text-slot{min-height:80px}.project-images-two{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.project-images-top .project-photo{aspect-ratio:1086 / 1448}.project-row-photo45{display:grid;grid-template-columns:minmax(0,2fr) minmax(180px,.75fr);gap:35px;align-items:center;background:#5D503D}.project-images-photo45{align-items:stretch}.project-images-photo45 .project-photo{aspect-ratio:1086 / 1448}.project-images-photo45 .project-photo img{height:100%;object-fit:contain}.project-row-four-photos{display:grid;grid-template-columns:minmax(150px,.65fr) minmax(0,2.15fr);gap:35px;align-items:center;background:#475144}.project-images-four{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;background:#475144;padding:0}.project-images-four .project-photo{margin:0;background:transparent;padding:0}.project-text-slot{min-height:180px}.project-photo{margin:0;background:#fff;overflow:hidden;border:6px solid #fff;box-shadow:0 2px 10px rgba(23,32,25,.08)}.project-photo img{display:block;width:100%;height:auto;object-fit:contain}.project-text-center,.project-text-left{min-height:150px}.dark-bg{background:#172019;color:#fff}.audience-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px}.audience-grid .btn{margin-top:20px}.stats{display:flex;gap:25px;margin-top:35px;flex-wrap:wrap}.stats div{display:flex;flex-direction:column}.stats strong{font-size:1rem}.stats span{font-size:.82rem;color:#687068}.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:100px}.contact-note{margin-top:25px;font-weight:500}form{background:#fff;padding:34px;box-shadow:0 15px 50px rgba(0,0,0,.05)}label{display:block;font-size:.82rem;font-weight:700;margin-bottom:18px}input,textarea{width:100%;border:0;border-bottom:1px solid #ccc;padding:12px 0;background:transparent;font:inherit;outline:none}textarea{resize:vertical}.form-message{font-size:.85rem;margin:12px 0 0}footer{background:#101510;color:#d9ddd7;padding:70px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:60px}.footer-grid a:not(.logo){display:block;color:#d9ddd7;text-decoration:none;margin:9px 0}.footer-grid strong{color:#fff}.footer-logo{color:#fff}.copyright{border-top:1px solid #303630;margin-top:45px;padding-top:20px;font-size:.8rem;color:#9ea59d}
@media(max-width:800px){.project-images-three{grid-template-columns:repeat(3,1fr)}nav{display:none;position:absolute;top:88px;left:0;width:100%;background:#172019;padding:25px;flex-direction:column;align-items:flex-start}.nav.open nav{display:flex}.menu-btn{display:block}.two-cols,.feature-grid,.audience-grid,.contact-grid{grid-template-columns:1fr;gap:45px}.section{padding:75px 0}.cards{grid-template-columns:1fr 1fr}.feature-visual{min-height:380px}.section-head{display:block}.project-row-two,.project-row-photo45{grid-template-columns:1fr 1fr}.project-row-four-photos{grid-template-columns:1fr 2fr}.project-images-four{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr;gap:35px}}
@media(max-width:500px){.project-images-three{grid-template-columns:1fr}.cards{grid-template-columns:1fr}.hero-actions .btn{width:100%;text-align:center}.project-row-two,.project-row-photo45,.project-row-four-photos{grid-template-columns:1fr}.project-images-two,.project-images-four{grid-template-columns:1fr 1fr}.project-text-slot{min-height:100px}.footer-grid{gap:25px}}

/* Textes des espaces prévus dans la galerie */
.project-copy{display:flex;align-items:center;justify-content:center;text-align:center;font-size:1.05rem;font-weight:500;line-height:1.55;padding:20px 28px}.project-copy-first{color:#fff}.project-copy-second,.project-copy-third{color:#fff}.project-copy-third{text-align:left;justify-content:flex-start}@media(max-width:500px){.project-copy{text-align:center;justify-content:center;padding:20px 12px}}

/* Ajustements responsives de la bannière d'accueil */
@media(max-width:800px){.hero{min-height:88svh;background-position:58% center}.hero-overlay{background:linear-gradient(90deg,rgba(18,29,22,.91) 0%,rgba(24,36,27,.78) 58%,rgba(24,36,27,.48) 100%),linear-gradient(0deg,rgba(18,29,22,.25),rgba(18,29,22,.12))}.hero-content{padding-top:105px;padding-bottom:70px}h1{font-size:clamp(3rem,10vw,5.4rem)}}
@media(max-width:500px){.hero{min-height:88svh;background-position:60% center}.hero-overlay{background:linear-gradient(90deg,rgba(18,29,22,.92),rgba(24,36,27,.72)),linear-gradient(0deg,rgba(18,29,22,.28),rgba(18,29,22,.12))}.hero-content{padding-top:100px}.hero-text{font-size:1rem}.scroll{bottom:16px}}

/* ===== V2 : améliorations ===== */
.header{transition:background .3s,box-shadow .3s}.header.scrolled{position:fixed;background:rgba(23,32,25,.96);box-shadow:0 2px 20px rgba(0,0,0,.2);backdrop-filter:blur(6px)}.header.scrolled .nav{height:68px}
nav a:not(.nav-cta):hover{color:#d9c19f}.nav-cta{background:var(--accent);border-color:var(--accent);transition:background .2s}.nav-cta:hover{background:#8f6838}
.btn{transition:transform .2s,background .2s}.btn:hover{transform:translateY(-2px)}.btn-primary:hover{background:#8f6838}.btn-light:hover{background:rgba(255,255,255,.12)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.hero-points{position:absolute;bottom:70px;left:50%;transform:translateX(-50%);z-index:2;display:flex;gap:10px 34px;flex-wrap:wrap;list-style:none;margin:0;padding:0;font-size:.85rem;color:#e6d8c4}.hero-points li:before{content:"✓ ";color:#d9c19f;font-weight:700}
.hero-content{padding-bottom:110px}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;margin-top:45px}.why-grid div{border-top:2px solid var(--accent);padding-top:22px}.why-grid h3{font-size:1.2rem;font-family:"Playfair Display",serif;margin-bottom:10px}.why-grid p{margin:0;color:#4b544c}
.steps{list-style:none;margin:45px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:30px}.steps li{background:#f8f6f1;padding:30px}.steps span{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--accent);color:#fff;font-weight:700}.steps h3{font-size:1.25rem;margin:22px 0 8px}.steps p{margin:0;color:#4b544c}
.card{transition:transform .25s,box-shadow .25s}.card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(0,0,0,.08)}
.project-photo img{transition:transform .5s}.project-photo:hover img{transform:scale(1.03)}
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:100px}.faq-list details{border-bottom:1px solid #d6cec1;padding:20px 0}.faq-list summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:20px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";color:var(--accent);font-size:1.4rem;line-height:1}.faq-list details[open] summary:after{content:"–"}.faq-list details p{margin:14px 0 0;color:#4b544c}
select{width:100%;border:0;border-bottom:1px solid #ccc;padding:12px 0;background:transparent;font:inherit;outline:none}
.form-message{color:#3f6b45;font-weight:500}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s,transform .7s}.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}
@media(max-width:800px){.why-grid,.steps{grid-template-columns:1fr 1fr}.faq-wrap{grid-template-columns:1fr;gap:35px}.hero-points{bottom:60px}.header.scrolled nav{top:68px}}
@media(max-width:500px){.why-grid,.steps{grid-template-columns:1fr}.hero-points{display:none}.hero-content{padding-bottom:70px}}

/* ===== V3 : pages réalisations ===== */
.header.solid{position:relative;background:#172019}
.page-hero{padding:80px 0 50px;background:var(--paper)}.page-hero h1{font-size:clamp(2.4rem,5vw,4.6rem);max-width:900px;margin-bottom:18px}.page-hero p{max-width:720px;font-size:1.1rem}.back{display:inline-block;margin-bottom:26px;color:var(--accent);font-weight:700;text-decoration:none;font-size:.9rem}
.tags,.anchors{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:26px 0 0}.tags li{border:1px solid #cfc6b6;padding:6px 14px;font-size:.82rem}.anchors a{background:var(--ink);color:#fff;text-decoration:none;padding:8px 16px;font-size:.85rem}.anchors a:hover{background:var(--accent)}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px}.filters button{border:1px solid #cfc6b6;background:transparent;padding:10px 20px;font:inherit;font-weight:700;font-size:.88rem;cursor:pointer}.filters button.on,.filters button:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.p-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:30px}.p-card{display:block;text-decoration:none;color:inherit;background:#f8f6f1;transition:transform .25s,box-shadow .25s}.p-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(0,0,0,.1)}.p-card[hidden]{display:none}.p-img{aspect-ratio:4/3;overflow:hidden}.p-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}.p-card:hover img{transform:scale(1.05)}.p-info{padding:24px}.p-cat{font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);font-weight:700}.p-info h3{font-family:"Playfair Display",serif;font-size:1.4rem;margin:10px 0 14px}
.g-sec{padding:60px 0}.g-sec h2{font-size:clamp(1.8rem,3vw,2.8rem);margin-bottom:30px}.g-sec:nth-of-type(even){background:#efe9df}
.masonry{columns:3 260px;column-gap:18px}.g-item{display:block;margin-bottom:18px;break-inside:avoid;overflow:hidden;cursor:zoom-in;background:#ddd}.g-item img{display:block;width:100%;height:auto;transition:transform .5s}.g-item:hover img{transform:scale(1.04)}
.ba{background:#172019;color:#fff}.ba h2{margin-bottom:34px}.ba-grid{display:grid;gap:40px}.ba-row h3{font-size:1.3rem;margin-bottom:14px}.ba-pair{display:grid;grid-template-columns:1fr 1fr;gap:18px}.ba-pair figure{margin:0;position:relative}.ba-pair .g-item{margin:0;aspect-ratio:4/3}.ba-pair img{width:100%;height:100%;object-fit:cover}.ba-pair figcaption{position:absolute;top:12px;left:12px;background:var(--accent);color:#fff;padding:4px 12px;font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;pointer-events:none}
.pn{padding:50px 0}.pn-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.pn-grid a{display:block;text-decoration:none;color:inherit;border:1px solid #d6cec1;padding:24px;transition:background .2s}.pn-grid a:hover{background:#efe9df}.pn-grid a:last-child{text-align:right}.pn-grid small{color:var(--accent);font-weight:700}.pn-grid strong{display:block;margin-top:6px;font-family:"Playfair Display",serif;font-size:1.15rem}
.cta-band{background:var(--accent);color:#fff;text-align:center}.cta-band h2{font-size:clamp(2rem,3.5vw,3.2rem)}.cta-band p{max-width:560px;margin:0 auto 26px}.cta-band .btn-primary{background:#172019}
.center{text-align:center;margin-top:40px}.btn-dark{background:var(--ink);color:#fff}.btn-dark:hover{background:var(--accent)}
.lb{position:fixed;inset:0;z-index:100;background:rgba(10,14,11,.94);display:flex;align-items:center;justify-content:center}.lb[hidden]{display:none}.lb figure{margin:0;max-width:92vw;max-height:92vh;text-align:center}.lb img{max-width:92vw;max-height:84vh;object-fit:contain}.lb figcaption{color:#e6d8c4;margin-top:12px;font-size:.9rem}.lb button{position:absolute;background:none;border:0;color:#fff;font-size:2.6rem;cursor:pointer;padding:14px 20px;line-height:1}.lb-x{top:8px;right:8px}.lb-p{left:6px;top:50%}.lb-n{right:6px;top:50%}.lb button:hover{color:#d9c19f}
@media(max-width:800px){.pn-grid,.ba-pair{grid-template-columns:1fr}.pn-grid a:last-child{text-align:left}.page-hero{padding:50px 0 30px}}

/* Galerie alignée (photos de même format sur une même ligne) */
.masonry.grid{columns:auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}
.masonry.grid .g-item{margin:0;aspect-ratio:3/4}
.masonry.grid .g-item img{width:100%;height:100%;object-fit:cover}

/* Logo du pied de page */
.footer-brand{display:block;width:150px;max-width:100%;height:auto;margin-top:20px;border-radius:4px}

/* Logo sans fond : en-tête et pied de page */
.logo{display:inline-flex;align-items:center}.logo-img{display:block;height:60px;width:auto}
.header.scrolled .logo-img{height:48px}
.footer-brand-link{display:inline-block}.footer-brand{margin:0 0 14px;width:150px;border-radius:0}
.masonry.grid3{grid-template-columns:repeat(3,1fr)}
@media(max-width:800px){.logo-img{height:46px}.header.scrolled .logo-img{height:42px}}
@media(max-width:560px){.masonry.grid3{grid-template-columns:1fr}}

.form-message.error{color:#b3261e}
.form-note{font-size:.8rem;line-height:1.5;color:var(--muted,#4b544c);margin:14px 0 0;opacity:.85}
#contact-form button:disabled{opacity:.6;cursor:wait}

/* Page politique de confidentialité */
.legal{max-width:820px}.legal h2{font-size:1.6rem;margin:42px 0 12px}.legal p,.legal li{font-size:1.02rem;line-height:1.7}.legal ul{padding-left:22px}.legal a{color:var(--accent-dark,#8f6838)}
.todo{background:#fff2a8;color:#5a4a00;padding:0 4px;border-radius:2px;font-weight:600}
.copyright a{color:inherit;text-decoration:underline;margin-left:14px}.form-note a{color:inherit}