/* D-Riv 3D : feuille de style unique pour tout le site.
   Pour changer une couleur, modifie seulement les variables ci-dessous. */
:root{
  --bg:#f6f6f4; --surface:#ffffff; --fg:#17181a; --muted:#5d6166; --line:#dcdcd8;
  --ink:#101113; --on-ink:#f3f3f1; --on-ink-muted:#c9cbc7;
  --accent:#c2581c; --accent-hover:#a94a14; --accent-ink:#ffffff; --accent-soft:#f7e6db;
  --display:"Saira","Arial Narrow",system-ui,sans-serif;
  --body:"Public Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 var(--body);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--display);line-height:1.1;text-wrap:balance;margin:0}
h1{font-size:clamp(34px,5.5vw,60px);font-weight:700;letter-spacing:-.015em}
h2{font-size:clamp(28px,4vw,40px);font-weight:600;letter-spacing:-.01em}
h3{font-size:20px;font-weight:600}
p{margin:0}
a{color:inherit}
.eyebrow{font:500 12px/1.2 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 22px;border-radius:2px;font:600 15px/1 var(--body);text-decoration:none;border:2px solid transparent;cursor:pointer}
.btn-accent{background:var(--accent);color:var(--accent-ink)}
.btn-accent:hover{background:var(--accent-hover)}
.btn-ghost{border-color:currentColor;color:inherit;background:transparent}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;z-index:50;background:var(--surface);padding:8px 12px}

/* En-tête */
header.site{position:sticky;top:0;z-index:20;background:var(--surface);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:12px}
.logo img{height:36px;width:auto}
nav.main{display:flex;gap:24px;font-size:15px;font-weight:500}
nav.main a{text-decoration:none;color:var(--muted);padding-block:6px;border-bottom:2px solid transparent}
nav.main a:hover,nav.main a[aria-current="page"]{color:var(--fg);border-bottom-color:var(--accent)}
.head-cta{display:flex;align-items:center;gap:14px}
.tel{font:500 14px var(--mono);color:var(--muted);text-decoration:none;white-space:nowrap}
.menu-btn{display:none;background:none;border:1.5px solid var(--line);border-radius:2px;padding:9px 12px;font:600 14px var(--body);color:var(--fg);cursor:pointer}
@media (max-width:900px){
  .head-cta .tel{display:none}
  nav.main{display:none;position:absolute;left:0;right:0;top:100%;background:var(--surface);border-bottom:1px solid var(--line);flex-direction:column;gap:0;padding:8px max(16px,env(safe-area-inset-left,0px)) 16px}
  nav.main.open{display:flex}
  nav.main a{padding:12px 0;border-bottom:1px solid var(--line)}
  .menu-btn{display:inline-block}
}
@media (max-width:420px){.head-cta .btn{padding:11px 14px;font-size:14px}}

/* Héros */
.hero{position:relative;background:var(--ink);color:var(--on-ink);overflow:hidden}
.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,10,11,.9) 0%,rgba(10,10,11,.55) 50%,rgba(10,10,11,.05) 85%)}
.hero .wrap{position:relative;z-index:1;padding-block:clamp(64px,11vw,140px)}
.hero h1{max-width:14ch}
.hero h1 em{font-style:normal;color:#ec8a4e}
.hero .lead{margin-top:20px;max-width:46ch;font-size:18px;color:#d6d7d4}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.hero .eyebrow{color:#b9bcb8;margin-bottom:18px}
.scale-tag{position:absolute;right:max(16px,env(safe-area-inset-right,0px));bottom:16px;z-index:1;font:500 12px var(--mono);letter-spacing:.1em;color:#d6d7d4;display:flex;align-items:center;gap:10px}
.scale-bar{display:flex;height:6px;width:100px;border:1px solid #d6d7d4}
.scale-bar span{flex:1}.scale-bar span:nth-child(odd){background:#d6d7d4}
.page-hero{background:var(--ink);color:var(--on-ink)}
.page-hero .wrap{padding-block:clamp(48px,7vw,88px);display:grid;gap:16px}
.page-hero .eyebrow{color:#b9bcb8}
.page-hero p.lead{max-width:60ch;color:var(--on-ink-muted);font-size:18px}

/* Faits */
.facts{background:var(--surface);border-bottom:1px solid var(--line)}
.facts .wrap{display:grid;grid-template-columns:repeat(3,1fr)}
.fact{padding:28px 24px 28px 0;display:grid;gap:6px}
.fact+.fact{padding-left:24px;border-left:1px solid var(--line)}
.fact b{font:600 24px/1.1 var(--display)}
.fact span{color:var(--muted);font-size:15px}
@media (max-width:700px){.facts .wrap{grid-template-columns:1fr}.fact,.fact+.fact{padding:18px 0;border-left:0}.fact+.fact{border-top:1px solid var(--line)}}

section.band{padding-block:clamp(56px,8vw,96px)}
.alt{background:var(--surface);border-block:1px solid var(--line)}
.sec-head{display:grid;gap:12px;margin-bottom:36px;max-width:680px}
.sec-head p{color:var(--muted)}
.prose{display:grid;gap:16px;max-width:68ch}
.prose p,.prose li{color:var(--muted)}
.prose h2{margin-top:24px}
.prose ul{margin:0;padding-left:20px;display:grid;gap:6px}

/* Comparateur jour / nuit */
.compare{position:relative;max-width:100%;aspect-ratio:4/3;max-height:680px;margin-inline:auto;overflow:hidden;background:#000;border-radius:2px;user-select:none;touch-action:pan-y}
.compare img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.compare .top{clip-path:inset(0 0 0 var(--pos,50%))}
.compare .handle{position:absolute;top:0;bottom:0;left:var(--pos,50%);width:2px;background:#fff;transform:translateX(-1px);pointer-events:none}
.compare .handle::after{content:"◀ ▶";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#fff;color:#111;font-size:11px;letter-spacing:2px;padding:10px 12px;border-radius:999px;white-space:nowrap}
.compare .lbl{position:absolute;top:14px;font:500 12px var(--mono);letter-spacing:.12em;text-transform:uppercase;background:rgba(0,0,0,.6);color:#fff;padding:6px 10px}
.compare .l{left:14px}.compare .r{right:14px}
.compare input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}

/* Cartes de réalisations */
.grid-real{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-real.cols3{grid-template-columns:repeat(3,1fr)}
@media (max-width:980px){.grid-real,.grid-real.cols3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.grid-real,.grid-real.cols3{grid-template-columns:1fr}}
.card{display:grid;gap:10px;min-width:0;text-decoration:none;align-content:start}
.card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:2px;background:var(--line)}
.card .meta{font:500 12px var(--mono);letter-spacing:.06em;color:var(--muted);text-transform:uppercase}
.card p{color:var(--muted);font-size:15px}
a.card:hover h3{color:var(--accent)}
.more{margin-top:28px}
.more a,.link{color:var(--accent);font-weight:600;text-decoration-thickness:2px;text-underline-offset:4px}

/* Fiche réalisation */
.project{display:grid;grid-template-columns:280px 1fr;gap:40px;padding-block:56px;border-top:1px solid var(--line)}
.project:first-child{border-top:0}
@media (max-width:860px){.project{grid-template-columns:1fr;gap:24px}}
.project aside{display:grid;gap:14px;align-content:start}
.project dl{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin:0;font-size:15px}
.project dt{font:500 12px/1.9 var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.project dd{margin:0}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:8px;min-width:0}
.gallery a{display:block}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:2px;background:var(--line)}
.gallery a:first-child{grid-column:span 2;grid-row:span 2}
@media (max-width:520px){.gallery{grid-template-columns:repeat(2,1fr)}}

/* Lightbox */
.lightbox{position:fixed;inset:0;z-index:60;background:rgba(8,8,9,.94);display:flex;align-items:center;justify-content:center;padding:max(16px,env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) max(16px,env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
.lightbox img{max-height:86vh;width:auto;max-width:100%;border-radius:2px}
.lightbox button{position:absolute;background:rgba(255,255,255,.12);color:#fff;border:0;border-radius:999px;width:46px;height:46px;font-size:20px;cursor:pointer}
.lightbox .close{top:max(16px,env(safe-area-inset-top,0px));right:max(16px,env(safe-area-inset-right,0px))}
.lightbox .prev{left:max(12px,env(safe-area-inset-left,0px));top:50%}
.lightbox .next{right:max(12px,env(safe-area-inset-right,0px));top:50%}

/* Étapes */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;list-style:none;padding:0;margin:0;counter-reset:s}
.steps.cols3{grid-template-columns:repeat(3,1fr)}
@media (max-width:860px){.steps,.steps.cols3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.steps,.steps.cols3{grid-template-columns:1fr}}
.steps li{counter-increment:s;display:grid;gap:8px;padding-top:18px;border-top:3px solid var(--fg);min-width:0;align-content:start}
.steps li::before{content:counter(s,decimal-leading-zero);font:500 13px var(--mono);color:var(--accent)}
.steps p{color:var(--muted);font-size:15px}

/* Options */
.options{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px}
@media (max-width:760px){.options{grid-template-columns:1fr}}
.option{display:grid;gap:6px;padding:20px 0;border-top:1px solid var(--line)}
.option p{color:var(--muted);font-size:15px}

/* Pour qui + prix */
.two{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start}
@media (max-width:860px){.two{grid-template-columns:1fr}}
.who{display:grid;list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.who li{display:grid;grid-template-columns:160px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.who b{font:600 17px var(--display)}
.who span{color:var(--muted);font-size:15px}
@media (max-width:480px){.who li{grid-template-columns:1fr;gap:2px}}
.price{background:var(--accent-soft);padding:28px;border-radius:2px;display:grid;gap:16px}
.price h3{font-size:22px}
.price table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
.price td{padding:10px 0;border-bottom:1px solid rgba(0,0,0,.1);vertical-align:top}
.price td:last-child{text-align:right;font:600 20px var(--display);white-space:nowrap;padding-left:12px}
.price small{color:var(--muted);font-size:13px;display:block}
.price .note{font-size:14px;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{font-size:13px;padding:5px 10px;border:1px solid var(--line);border-radius:999px;background:var(--surface)}

/* Cibles (page pros) */
.target{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding-block:48px;border-top:1px solid var(--line)}
.target:first-child{border-top:0;padding-top:0}
.target img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:2px}
.target .txt{display:grid;gap:14px}
.target ul{margin:0;padding-left:20px;color:var(--muted);display:grid;gap:6px}
@media (min-width:861px){.target:nth-child(even) img{order:2}}
@media (max-width:860px){.target{grid-template-columns:1fr;gap:20px}}

/* FAQ */
.faq{display:grid;max-width:820px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font:600 18px var(--display);list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:22px;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq details p{margin-top:10px;color:var(--muted);max-width:68ch}

/* Vidéos */
.videos{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:860px){.videos{grid-template-columns:1fr}}
.video{position:relative;aspect-ratio:16/9;background:#000;border-radius:2px;overflow:hidden}
.video img,.video iframe{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border:0}
.video button{position:absolute;inset:0;width:100%;height:100%;background:transparent;border:0;cursor:pointer}
.video button::after{content:"▶";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:64px;height:64px;border-radius:50%;background:var(--accent);color:#fff;font-size:22px;display:grid;place-items:center;padding-left:4px}

/* À propos */
.about{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
@media (max-width:860px){.about{grid-template-columns:1fr}}
.about img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:2px}
.about .txt{display:grid;gap:16px}
.about .txt p{color:var(--muted);max-width:60ch}

/* Formulaire */
.form-layout{display:grid;grid-template-columns:1.4fr .6fr;gap:48px;align-items:start}
@media (max-width:900px){.form-layout{grid-template-columns:1fr}}
form.quote{display:grid;gap:22px;background:var(--surface);border:1px solid var(--line);padding:clamp(20px,4vw,36px);border-radius:2px}
fieldset{border:0;padding:0;margin:0;display:grid;gap:14px;min-width:0}
legend{font:600 20px var(--display);margin-bottom:6px;padding:0}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:600px){.row{grid-template-columns:1fr}}
.field{display:grid;gap:6px;min-width:0}
label,.label{font-weight:600;font-size:14px}
.hint{font-weight:400;color:var(--muted);font-size:13px}
input[type=text],input[type=email],input[type=tel],input[type=number],select,textarea{width:100%;font:16px var(--body);padding:12px 14px;border:1.5px solid var(--line);border-radius:2px;background:var(--bg);color:var(--fg)}
textarea{min-height:140px;resize:vertical}
input[type=file]{font:15px var(--body);max-width:100%}
.checks{display:flex;flex-wrap:wrap;gap:8px}
.checks label{display:inline-flex;align-items:center;gap:8px;font-weight:500;padding:9px 14px;border:1.5px solid var(--line);border-radius:999px;cursor:pointer;background:var(--bg)}
.checks input{accent-color:var(--accent);width:18px;height:18px;margin:0}
.checks label:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
.hidden-field{position:absolute;left:-9999px}
.side{display:grid;gap:20px}
.side .box{border-top:3px solid var(--fg);padding-top:16px;display:grid;gap:8px}
.side .box p{color:var(--muted);font-size:15px}

/* CTA final + pied de page */
.final{background:var(--ink);color:var(--on-ink)}
.final .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px;padding-block:56px}
.final h2{max-width:22ch}
.final .tel{color:var(--on-ink-muted);font-size:16px}
.final .ctas{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
footer.site{background:var(--ink);color:#8d9093;font-size:14px;border-top:1px solid #26282b}
footer.site .wrap{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:32px;padding-block:40px}
footer.site img{height:28px;width:auto}
footer.site h3{font:600 14px var(--body);color:var(--on-ink);margin-bottom:10px}
footer.site ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
footer.site a{text-decoration:none}footer.site a:hover{color:var(--on-ink)}
footer.site .legal{grid-column:1/-1;border-top:1px solid #26282b;padding-top:18px;font-size:13px}
@media (max-width:760px){footer.site .wrap{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.show-sm{display:none}
@media (max-width:520px){.hide-sm{display:none}.show-sm{display:inline}}