@font-face{font-family:"Bricolage Grotesque";src:url(assets/fonts/bricolage.woff2) format("woff2");font-weight:200 800;font-display:swap}
@font-face{font-family:"Instrument Sans";src:url(assets/fonts/instrument.woff2) format("woff2");font-weight:400 700;font-display:swap}

/* Un fond clair, des panneaux blancs, une seule couleur d'accent. La couleur vient des visuels. */
:root{--bg:#f3f3f1;--card:#fff;--ink:#10131f;--mid:#5a5f6e;--line:#e4e4e0;--accent:#ff5a36;--accent-t:#c93a17;
--display:"Bricolage Grotesque","Arial Black",system-ui,sans-serif;  /* utilisé par les visuels (ads.css) */
--body:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
--gut:clamp(12px,2.4vw,36px);--pad:clamp(24px,5vw,80px)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.0625rem/1.55 var(--body);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:inherit}
p{margin:0}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--ink);color:#fff;padding:10px 16px;border-radius:8px}.skip:focus{left:12px}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}

h1,h2,h3{font-family:var(--body);font-weight:700;margin:0;letter-spacing:-.03em;line-height:1.08;text-wrap:balance}
h1{font-size:clamp(2.5rem,4.7vw,4.4rem);line-height:1.04}
h1 em{font-style:normal;color:var(--accent)}
h2{font-size:clamp(2rem,3.4vw,3rem)}
h3{font-size:1.2rem;letter-spacing:-.015em}
.fine{font-size:.875rem;color:var(--mid)}
.center{text-align:center}

/* Boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;font:600 1rem var(--body);padding:14px 24px;border-radius:12px;border:1.5px solid var(--ink);background:var(--ink);color:#fff;text-decoration:none;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.btn:hover{background:#2a2f45;border-color:#2a2f45}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:transparent;border-color:var(--ink)}
.btn-light{background:#fff;color:var(--ink);border-color:#fff}
.btn-light:hover{background:#e9e9e6;border-color:#e9e9e6}
.btn-sm{padding:10px 18px;font-size:.95rem}
.actions{display:flex;flex-wrap:wrap;gap:12px}

/* Panneaux et sections */
.panel,.sec,.bar,.foot{max-width:1360px;margin-left:auto;margin-right:auto}
.panel{background:var(--card);border-radius:32px;margin:0 var(--gut)}
@media(min-width:1432px){.panel{margin-left:auto;margin-right:auto}}
.sec{padding:clamp(64px,8vw,120px) var(--pad)}
.sec:not(.panel){padding-left:calc(var(--gut) + var(--pad));padding-right:calc(var(--gut) + var(--pad))}
.head{text-align:center;max-width:720px;margin:0 auto clamp(32px,4vw,56px)}
.eye{display:inline-flex;align-items:center;gap:8px;font-size:.82rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-t);margin-bottom:14px}
.eye:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}
.sub{font-size:1.125rem;color:var(--mid);margin-top:16px}

/* En-tête */
.bar{position:sticky;top:0;z-index:40;padding:14px var(--gut)}
.bar-in{display:flex;align-items:center;gap:24px;background:var(--card);border-radius:20px;padding:12px 14px 12px 22px;box-shadow:0 1px 0 var(--line),0 8px 24px rgba(16,19,31,.05)}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;letter-spacing:-.02em;text-decoration:none}
.logo{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--ink);color:var(--accent);font-weight:700;font-size:1.05rem;letter-spacing:0}
.bar nav{display:flex;gap:6px;margin-left:auto}
.bar nav a{text-decoration:none;font-size:.98rem;padding:8px 12px;border-radius:8px;color:var(--mid);transition:color .2s}
.bar nav a:hover{color:var(--ink)}
.burger{display:none;width:44px;height:44px;border:1.5px solid var(--line);border-radius:12px;background:none;cursor:pointer;place-items:center;align-content:center;gap:6px}
.burger i{display:block;width:18px;height:2px;background:var(--ink)}

/* Ouverture */
.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.86fr);gap:clamp(24px,4vw,64px);align-items:center;padding:clamp(28px,4vw,56px) var(--pad)}
.lead{font-size:1.2rem;color:var(--mid);max-width:30em;margin:24px 0 32px}
.hero .fine{margin-top:28px}
.hero-art{justify-self:end;width:100%;max-width:620px;position:relative}
/* Trois colonnes de visuels qui défilent lentement ; elles s'arrêtent au survol, au clavier, ou avec le bouton. */
.hero-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;height:min(660px,74vh);overflow:hidden;-webkit-mask-image:linear-gradient(transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(transparent,#000 10%,#000 90%,transparent)}
.hero-grid .track>*{margin-bottom:16px}
.reel-on .track{animation:reel 60s linear infinite}
.reel-on .col:nth-child(2) .track{animation-duration:75s;animation-direction:reverse}
.reel-on .col:nth-child(3) .track{animation-duration:68s}
.hero-grid:hover .track,.hero-grid:focus-within .track,.hero-grid.paused .track{animation-play-state:paused}
@keyframes reel{to{transform:translateY(-50%)}}
.reel-btn{position:absolute;right:0;bottom:-34px;font:500 .82rem var(--body);color:var(--mid);background:none;border:0;padding:6px 0;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.reel-btn:hover{color:var(--ink)}
/* Apparition douce des blocs au défilement */
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}

/* Visuels */
.tile{display:block;width:100%;padding:0;border:0;background:none;border-radius:14px;overflow:hidden;cursor:zoom-in;text-align:left;font:inherit;color:inherit;box-shadow:0 0 0 1px rgba(16,19,31,.08);transition:box-shadow .2s,transform .2s}
.tile:hover{box-shadow:0 0 0 1px rgba(16,19,31,.08),0 14px 30px rgba(16,19,31,.14);transform:translateY(-2px)}
.tile .ad{pointer-events:none}
.ad-ph{display:block;aspect-ratio:var(--r,1);background:#ebebe8}

/* Affiches illustrées : trois affiches entières, côte à côte */
.illus{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2.4vw,32px);max-width:1240px;margin:0 auto}
.illus figure{margin:0}
.illus figcaption{padding-top:14px;font-size:.95rem;color:var(--mid)}
.illus figcaption b{display:block;color:var(--ink);font-size:1.05rem}

/* Galerie */
.filters{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 28px}
.fgroup{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.fgroup button{font:500 .95rem var(--body);padding:9px 16px;border-radius:99px;border:1.5px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;transition:border-color .2s,background .2s,color .2s}
.fgroup button:hover{border-color:var(--ink)}
.fgroup button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:#fff}
.count{text-align:center;font-size:.9rem;color:var(--mid);margin:18px 0 32px}
.wall{column-count:3;column-gap:24px}
.item{break-inside:avoid;margin:0 0 28px}
.item figcaption{display:flex;justify-content:space-between;gap:12px;padding:12px 2px 0;font-size:.95rem}
.item figcaption span{color:var(--mid)}
.empty{text-align:center;color:var(--mid)}

/* Formats */
.variants{display:flex;justify-content:center;align-items:flex-end;gap:clamp(16px,2.6vw,36px);margin-bottom:28px}
.v{margin:0}
.v-story{width:19%}.v-sq{width:28%}.v-ban{width:42%}
.v figcaption{padding-top:12px;font-size:.92rem;color:var(--mid)}
.v figcaption b{display:block;color:var(--ink);font-size:1rem}

/* Méthode */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.steps li{background:var(--card);border-radius:20px;padding:28px 24px}
.no{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:#ffe6de;color:var(--accent-t);font-weight:700;margin-bottom:20px}
.steps h3{margin-bottom:8px}
.steps p{color:var(--mid);font-size:1rem}
.plain{list-style:none;margin:32px 0 0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:8px 32px;color:var(--mid);font-size:.98rem}
.plain li:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:10px;vertical-align:middle}

/* Pilote */
.dark{background:var(--ink);color:#fff}
.dark .eye{color:#ff9a80}
.dark .sub{color:#b9bdc9;margin-bottom:32px}
.pil{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,96px);align-items:center}
.rows{list-style:none;margin:0;padding:0}
.rows li{display:flex;justify-content:space-between;gap:20px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.14)}
.rows li span:last-child{color:#b9bdc9;text-align:right}
.out{margin-top:20px;font-size:.92rem;color:#b9bdc9}
.out b{color:#fff}

/* Questions */
.faq{max-width:760px;margin:0 auto}
.faq details{background:var(--card);border-radius:16px;margin-bottom:10px;padding:0 22px}
.faq summary{cursor:pointer;font-weight:600;padding:18px 28px 18px 0;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:1.4rem;font-weight:400;color:var(--mid)}
.faq details[open] summary:after{content:"–"}
.faq details p{color:var(--mid);padding:0 0 20px;max-width:38em}

/* Brief */
.brief{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);align-items:start}
#form{display:grid;gap:16px}
#form label{display:grid;gap:6px;font-weight:600;font-size:.95rem}
#form input[type=text],#form textarea{font:400 1rem var(--body);color:var(--ink);padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;background:#fafaf9;width:100%;resize:vertical}
#form input[type=text]:focus,#form textarea:focus{outline:0;border-color:var(--ink);background:#fff}
#form fieldset{border:0;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 20px}
#form legend{font-weight:600;font-size:.95rem;margin-bottom:8px;padding:0}
#form .chk{display:flex;align-items:center;gap:8px;font-weight:400}
#form .chk input{width:18px;height:18px;accent-color:var(--ink)}
.preview{background:var(--bg);border-radius:20px;padding:24px;position:sticky;top:110px}
.prev-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:14px}
#status{font-size:.9rem;color:var(--accent-t);font-weight:600}
#out{font:400 .9rem/1.55 ui-monospace,Consolas,monospace;white-space:pre-wrap;word-break:break-word;background:#fff;border-radius:12px;padding:18px;margin:0 0 16px;max-height:420px;overflow:auto}
.preview .fine{margin-top:14px}

/* Pied de page */
.foot{padding:48px calc(var(--gut) + var(--pad)) 56px;display:grid;gap:12px;color:var(--mid);font-size:.95rem}
.foot .brand{color:var(--ink);justify-self:start;margin-bottom:6px}

/* Vue agrandie */
.lb{border:0;padding:0;background:transparent;width:100vw;height:100dvh;max-width:100vw;max-height:100dvh;color:#fff}
.lb::backdrop{background:rgba(16,19,31,.9)}
.lb-in{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:16px}
.lb-stage{display:flex;justify-content:center;width:100%}
.lb-stage .ad{--rn:1;width:min(92vw,calc((100dvh - 160px)*var(--rn)));border-radius:12px}
.lb-cap{display:flex;justify-content:space-between;align-items:center;gap:20px;width:min(92vw,900px)}
.lb-cap h2{font-size:1.1rem;letter-spacing:-.01em}
.lb-cap p{font-size:.88rem;color:#b9bdc9;margin-top:2px}
.lb-nav{display:flex;gap:8px;flex-shrink:0}
.lb-nav button{font:600 1rem var(--body);min-width:44px;height:44px;padding:0 14px;border-radius:12px;border:1.5px solid rgba(255,255,255,.3);background:transparent;color:#fff;cursor:pointer}
.lb-nav button:hover{border-color:#fff}
.lb :focus-visible{outline-color:#fff}

@media(max-width:1020px){
 .hero{grid-template-columns:1fr}
 .hero-art{justify-self:start;margin-bottom:28px}
 .wall{column-count:2}
 .illus{grid-template-columns:1fr 1fr}.illus figure:last-child{grid-column:1/-1;max-width:calc(50% - 12px);justify-self:center}
 .steps{grid-template-columns:1fr 1fr}
 .pil,.brief{grid-template-columns:1fr}
 .preview{position:static}
 .bar nav{display:none;position:absolute;left:var(--gut);right:var(--gut);top:calc(100% - 6px);flex-direction:column;background:var(--card);border-radius:16px;padding:10px;box-shadow:0 12px 30px rgba(16,19,31,.14)}
 .bar nav.open{display:flex}
 .bar nav a{padding:12px 14px;font-size:1.05rem;color:var(--ink)}
 .bar .btn-sm{margin-left:auto}
 .burger{display:grid}
}
@media(max-width:620px){
 .panel{border-radius:24px}
 .bar .btn-sm{display:none}.burger{margin-left:auto}
 .hero-grid{grid-template-columns:1fr 1fr;gap:10px;height:440px}.hero-grid .col:nth-child(3){display:none}.hero-grid .track>*{margin-bottom:10px}
 .wall{column-count:1}
 .illus{grid-template-columns:1fr}.illus figure:last-child{max-width:none;justify-self:stretch}
 .steps{grid-template-columns:1fr}
 .variants{flex-wrap:wrap;align-items:flex-start}
 .v-story{width:38%}.v-sq{width:54%}.v-ban{width:100%}
 .rows li{flex-direction:column;gap:2px}.rows li span:last-child{text-align:left}
 .lb-cap{flex-direction:column;align-items:flex-start}
 .btn{padding:13px 20px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}.rv{opacity:1;transform:none}}

/* Parcours de demande de devis (devis.html) : entrées discrètes depuis la galerie et la vue agrandie */
.galerie-devis{margin:28px 0 0;color:var(--mid);font-size:.95rem}
.galerie-devis a{color:var(--ink);font-weight:600;text-underline-offset:4px;text-decoration-color:var(--accent)}
.brief-cta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px}
.brief-cta .fine{margin:0}
.lb-devis{align-self:flex-start;width:min(92vw,900px);margin:0 auto;color:#fff;font-weight:600;font-size:.94rem;text-underline-offset:4px;text-decoration-color:var(--accent)}
.lb-devis:hover{color:#ffd2c5}
.lb-devis:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}