/* ================================================================
   RDJ PRESTA — design system commun
   Charte : 60% craie/sable · 30% nuit · 10% UNE couleur d'accent
   Accent par page : body[data-accent="orange|bleu|vert"]
   ================================================================ */
:root{
  --nuit:#0E2233;
  --nuit-2:#16324A;
  --craie:#F7F5F1;
  --sable:#E8E3DA;
  --sable-2:#DFD8CC;
  --gris:#6B7280;
  --orange:#F5941E;
  --vert:#3FB54F;
  --bleu:#28A8E1;
  --rouge:#CC4F51;
  --titre:'Bricolage Grotesque',sans-serif;
  --texte:'Figtree',sans-serif;
  --tech:'IBM Plex Mono',monospace;
  --radius:20px;
  --radius-lg:32px;
  --pill:100px;
  --accent:var(--orange);
  --accent-soft:rgba(245,148,30,.12);
  --shadow:0 20px 60px -24px rgba(14,34,51,.28);
  --shadow-sm:0 10px 30px -16px rgba(14,34,51,.22);
}
body[data-accent="bleu"]{--accent:var(--bleu);--accent-soft:rgba(40,168,225,.12)}
body[data-accent="vert"]{--accent:var(--vert);--accent-soft:rgba(63,181,79,.12)}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:110px}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
}
body{background:var(--craie);color:var(--nuit);font-family:var(--texte);font-size:16.5px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
::selection{background:var(--accent);color:var(--nuit)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}

/* ---- typo utilitaires ---- */
h1,h2,h3,.display{font-family:var(--titre);font-weight:800;letter-spacing:-.025em;line-height:1.02}
h2{font-size:clamp(1.9rem,4.4vw,3.1rem)}
h3{font-size:1.15rem;line-height:1.2}
p{max-width:62ch}
.kicker{font-family:var(--tech);font-size:.68rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);display:inline-flex;align-items:center;gap:.6rem;margin-bottom:1rem}
.kicker::before{content:"";width:26px;height:2px;background:var(--accent)}
.lead{color:var(--gris);font-size:1.06rem}
.mono{font-family:var(--tech);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase}

/* ---- barre signature (seul endroit où les 4 couleurs cohabitent) ---- */
.bar{height:6px;background:linear-gradient(90deg,#28A8E1 0 25%,#3FB54F 25% 50%,#F5941E 50% 75%,#CC4F51 75% 100%);position:relative;z-index:60}

/* ---- navigation flottante (pilule) ---- */
.nav-wrap{position:fixed;top:14px;left:0;right:0;z-index:50;padding:0 clamp(.8rem,2.5vw,3rem);display:flex;justify-content:center}
nav.nav{width:100%;max-width:1720px;display:flex;align-items:center;justify-content:space-between;gap:1rem;background:rgba(247,245,241,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(14,34,51,.08);border-radius:var(--pill);padding:.55rem .65rem .55rem 1.1rem;box-shadow:0 8px 30px -18px rgba(14,34,51,.35);transition:box-shadow .3s}
nav.nav .brand{display:flex;align-items:center;gap:.55rem;text-decoration:none}
nav.nav .brand img{height:40px;width:auto}
nav.nav .brand b{font-family:var(--titre);font-weight:800;font-size:1.02rem;letter-spacing:-.02em;white-space:nowrap}
nav.nav ul{display:flex;gap:.15rem;list-style:none;align-items:center}
nav.nav ul a{text-decoration:none;font-weight:600;font-size:.86rem;padding:.5rem .85rem;border-radius:var(--pill);color:var(--nuit);transition:background .2s;white-space:nowrap}
nav.nav ul a:hover{background:rgba(14,34,51,.07)}
nav.nav ul a[aria-current="page"]{background:var(--nuit);color:var(--craie)}
.nav-cta{display:flex;align-items:center;gap:.4rem}
.btn-tool{border-color:var(--accent);gap:.45rem}
.btn-tool:hover{background:var(--accent-soft);border-color:var(--accent);box-shadow:none}
.btn-tool svg{flex-shrink:0}
nav.nav ul .only-mobile{display:none}
.burger{display:none;background:none;border:0;cursor:pointer;padding:.6rem;border-radius:50%}
.burger span{display:block;width:20px;height:2px;background:var(--nuit);margin:4px 0;transition:transform .25s,opacity .25s}
@media(max-width:980px){
  nav.nav ul{position:absolute;top:calc(100% + 10px);left:0;right:0;background:var(--craie);border:1px solid rgba(14,34,51,.08);border-radius:24px;flex-direction:column;align-items:stretch;padding:.8rem;box-shadow:var(--shadow);display:none}
  nav.nav ul.open{display:flex}
  nav.nav ul a{padding:.8rem 1rem}
  nav.nav ul .only-mobile{display:block}
  nav.nav{position:relative}
  .burger{display:block}
  .nav-cta .btn{display:none}
}

/* ---- boutons pilule ---- */
.btn{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--texte);font-weight:700;font-size:.92rem;text-decoration:none;border:0;cursor:pointer;border-radius:var(--pill);padding:.85rem 1.6rem;background:var(--nuit);color:var(--craie);transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn .arr{transition:transform .25s}
.btn:hover .arr{transform:translateX(4px)}
.btn-accent{background:var(--accent);color:var(--nuit)}
.btn-ghost{background:transparent;color:var(--nuit);border:1.5px solid rgba(14,34,51,.25)}
.btn-ghost:hover{border-color:var(--nuit);box-shadow:none}
.btn-light{background:var(--craie);color:var(--nuit)}
.btn-sm{padding:.6rem 1.15rem;font-size:.84rem}

/* ---- structure ---- */
main{display:block}
.wrap{max-width:1720px;margin:0 auto;padding:0 clamp(1.2rem,3.5vw,4rem)}
section.block{padding:clamp(3.5rem,8vw,6.5rem) 0}
.sect-head{max-width:920px;margin-bottom:clamp(2rem,4vw,3.2rem)}
.sect-head p{margin-top:1rem}
.on-sable{background:var(--sable)}
.on-nuit{background:var(--nuit);color:var(--craie)}
.on-nuit .lead,.on-nuit p{color:rgba(247,245,241,.72)}
.on-nuit h2,.on-nuit h3{color:var(--craie)}

/* ---- hero : ciel illustré animé, pleine largeur ---- */
.hero{
  position:relative;min-height:min(96vh,980px);display:flex;align-items:stretch;overflow:hidden;
  border-radius:0 0 var(--radius-lg) var(--radius-lg);
  background:
    radial-gradient(130% 62% at 50% 104%,rgba(245,148,30,.30) 0%,rgba(245,148,30,.10) 38%,transparent 62%),
    linear-gradient(180deg,#0A1B2B 0%,#0E2233 34%,#16324A 66%,#23486A 100%);
}
.hero-sky{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.hero-sky .sun{
  position:absolute;top:9%;left:52%;width:clamp(120px,13vw,220px);height:clamp(120px,13vw,220px);border-radius:50%;
  background:var(--accent);box-shadow:0 0 90px 34px rgba(245,148,30,.4);
  animation:sunPulse 7s ease-in-out infinite;
}
@keyframes sunPulse{0%,100%{transform:scale(1);box-shadow:0 0 90px 34px rgba(245,148,30,.4)}50%{transform:scale(1.05);box-shadow:0 0 130px 52px rgba(245,148,30,.5)}}
.hero-sky .cloud{position:absolute;background:rgba(247,245,241,.13);filter:blur(16px);border-radius:100px;animation:cloudDrift linear infinite}
.hero-sky .c1{width:360px;height:62px;top:13%;animation-duration:75s}
.hero-sky .c2{width:230px;height:46px;top:31%;animation-duration:105s;animation-delay:-40s}
.hero-sky .c3{width:300px;height:52px;top:5%;animation-duration:130s;animation-delay:-75s}
@keyframes cloudDrift{from{left:-400px}to{left:112%}}
.hero-sky .scene{position:absolute;bottom:-4px;left:0;width:100%;height:auto;max-height:56%}
/* balançoires */
.scene .swing{transform-box:fill-box;transform-origin:50% 0;animation:swingRock 3.8s ease-in-out infinite alternate}
.scene .swing.s2{animation-duration:4.7s;animation-delay:.5s}
@keyframes swingRock{from{transform:rotate(-11deg)}to{transform:rotate(11deg)}}
/* ballon */
.scene .ball{transform-box:fill-box;transform-origin:50% 100%;animation:ballBounce 2.8s cubic-bezier(.5,.05,.5,1) infinite}
@keyframes ballBounce{0%,100%{transform:translateY(0) scale(1,.94)}12%{transform:translateY(-14px) scale(1,1)}50%{transform:translateY(-110px) scale(.96,1.04)}88%{transform:translateY(-14px) scale(1,1)}}
/* bascule */
.scene .seesaw{transform-box:fill-box;transform-origin:50% 50%;animation:seesawTilt 3.2s ease-in-out infinite alternate}
@keyframes seesawTilt{from{transform:rotate(-7deg)}to{transform:rotate(7deg)}}
.hero-in{position:relative;z-index:2;width:100%;max-width:1720px;margin:0 auto;padding:170px clamp(1.2rem,3.5vw,4rem) clamp(9rem,17vh,14rem);display:grid;grid-template-columns:1.15fr .85fr;gap:2rem;align-items:center}
.hero h1{font-size:clamp(2.7rem,6.2vw,6.2rem);text-transform:uppercase;line-height:.96;color:var(--craie)}
.hero h1 .thin{display:block;font-weight:700;color:var(--accent)}
.hero .slash-line{margin:1.4rem 0 2rem;font-weight:600;color:rgba(247,245,241,.78);display:flex;align-items:center;gap:.6rem}
.hero .btn-ghost{color:var(--craie);border-color:rgba(247,245,241,.45)}
.hero .btn-ghost:hover{border-color:var(--craie)}
.hero .btn:not(.btn-accent):not(.btn-ghost){background:var(--craie);color:var(--nuit)}
.hero .slash-line::before,.hero .slash-line::after{content:"/";color:var(--accent);font-weight:800}
.hero-ctas{display:flex;gap:.8rem;flex-wrap:wrap}
/* carte flottante façon RANTY */
.float-card{background:rgba(247,245,241,.92);backdrop-filter:blur(10px);border-radius:var(--radius-lg);padding:1.6rem;box-shadow:var(--shadow);max-width:430px;justify-self:end;position:relative}
.float-card .chips{display:flex;gap:.45rem;margin-bottom:1.1rem;flex-wrap:wrap}
.chip{font-size:.74rem;font-weight:700;padding:.38rem .85rem;border-radius:var(--pill);border:1.5px solid rgba(14,34,51,.18);background:transparent}
.chip.on{background:var(--nuit);color:var(--craie);border-color:var(--nuit)}
.float-card h3{font-size:1.35rem;margin-bottom:.35rem}
.float-card>p{font-size:.9rem;color:var(--gris);margin-bottom:1.1rem}
.float-media{border-radius:var(--radius);overflow:hidden;position:relative;background:var(--sable)}
.float-media img{height:180px;width:100%;object-fit:cover}
.float-media .play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-decoration:none}
.float-media .play span{width:58px;height:58px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;color:var(--nuit);box-shadow:0 8px 24px rgba(14,34,51,.35);transition:transform .25s}
.float-media .play:hover span{transform:scale(1.12)}
.float-card .tag{position:absolute;top:-14px;right:22px;background:var(--nuit);color:var(--craie);font-family:var(--tech);font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;padding:.45rem .8rem;border-radius:var(--pill)}
/* bandeau bas de hero */
.hero-band{position:relative;z-index:2;max-width:1180px;margin:calc(-1 * clamp(4rem,8vw,6rem)) auto 0;padding:0 clamp(1rem,4vw,2rem);display:grid;grid-template-columns:1fr auto 1fr;gap:1.2rem;align-items:end}
@media(max-width:980px){
  .hero-in{grid-template-columns:1fr;padding-top:130px}
  .float-card{justify-self:start;max-width:100%}
  .hero-band{grid-template-columns:1fr;margin-top:1.5rem}
}

/* ---- stats / compteurs ---- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(14,34,51,.12);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.stat{background:var(--craie);padding:1.5rem 1.3rem}
.stat b{font-family:var(--titre);font-weight:800;font-size:clamp(1.7rem,3.4vw,2.5rem);letter-spacing:-.03em;display:block;line-height:1}
.stat b .u{color:var(--accent)}
.stat span{font-size:.84rem;color:var(--gris);display:block;margin-top:.45rem}
@media(max-width:760px){.stats{grid-template-columns:1fr 1fr}}

/* ---- cartes génériques ---- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
@media(max-width:980px){.grid-3{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.grid-3,.grid-2{grid-template-columns:1fr}}
.card{background:var(--craie);border-radius:var(--radius);padding:1.7rem;box-shadow:var(--shadow-sm);position:relative;transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column;gap:.7rem}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card .ico{width:52px;height:52px;border-radius:16px;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;color:var(--accent)}
.card .ico svg{width:26px;height:26px}
.card p{font-size:.92rem;color:var(--gris)}
.card .num{font-family:var(--tech);font-size:.64rem;letter-spacing:.14em;color:var(--accent);text-transform:uppercase}
.card-link{text-decoration:none}
.card .more{margin-top:auto;font-weight:700;font-size:.86rem;color:var(--nuit);display:inline-flex;gap:.4rem;align-items:center}
.card .more .arr{transition:transform .25s}
.card:hover .more .arr{transform:translateX(4px)}
.on-craie-cards .card{background:#FBFAF7}

/* ---- marquee fabricants ---- */
.marquee{overflow:hidden;position:relative;padding:1.4rem 0;border-top:1px solid rgba(14,34,51,.1);border-bottom:1px solid rgba(14,34,51,.1)}
.marquee .track{display:flex;gap:3.5rem;width:max-content;animation:scroll 30s linear infinite}
.marquee:hover .track{animation-play-state:paused}
.marquee a,.marquee span{font-family:var(--titre);font-weight:800;font-size:1.5rem;letter-spacing:-.02em;color:rgba(14,34,51,.4);text-decoration:none;white-space:nowrap;transition:color .25s}
.marquee a:hover{color:var(--accent)}
@keyframes scroll{to{transform:translateX(-50%)}}
.on-nuit .marquee a,.on-nuit .marquee span{color:rgba(247,245,241,.4)}
.on-nuit .marquee a:hover{color:var(--accent)}

/* ---- coupe technique interactive ---- */
.coupe{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,3rem);align-items:start}
@media(max-width:900px){.coupe{grid-template-columns:1fr}}
.coupe-stack{display:flex;flex-direction:column;gap:6px}
.layer{border:0;text-align:left;cursor:pointer;font-family:var(--texte);font-weight:700;font-size:.9rem;color:var(--nuit);padding:.9rem 1.1rem;border-radius:12px;display:flex;justify-content:space-between;align-items:center;gap:1rem;transition:transform .25s,box-shadow .25s;position:relative}
.layer small{font-family:var(--tech);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;opacity:.65;font-weight:500}
.layer:hover{transform:translateX(6px)}
.layer[aria-expanded="true"]{transform:translateX(10px);box-shadow:var(--shadow-sm);outline:2px solid var(--nuit)}
.layer-info{background:var(--craie);border-radius:var(--radius);padding:1.6rem;box-shadow:var(--shadow-sm);position:sticky;top:110px}
.layer-info h3{margin-bottom:.5rem}
.layer-info .mono{color:var(--accent);display:block;margin-bottom:.8rem}
.layer-info p{font-size:.95rem;color:var(--gris)}

/* ---- étapes méthode ---- */
.steps{counter-reset:step;display:grid;gap:1rem}
.step-row{display:grid;grid-template-columns:74px 1fr;gap:1.2rem;align-items:start;background:var(--craie);border-radius:var(--radius);padding:1.4rem 1.5rem;box-shadow:var(--shadow-sm)}
.step-row .n{counter-increment:step;font-family:var(--titre);font-weight:800;font-size:2rem;color:var(--accent)}
.step-row .n::before{content:"0" counter(step)}
.step-row p{font-size:.94rem;color:var(--gris);margin-top:.2rem}

/* ---- tableaux ---- */
.tbl-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow-sm)}
table.tbl{width:100%;border-collapse:collapse;background:var(--craie);min-width:520px;font-size:.92rem}
.tbl th{background:var(--nuit);color:var(--craie);font-family:var(--tech);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;font-weight:500;text-align:left;padding:.85rem 1rem}
.tbl td{padding:.7rem 1rem;border-bottom:1px solid rgba(14,34,51,.08)}
.tbl tr:last-child td{border-bottom:0}
.tbl td.v{font-family:var(--tech);font-weight:600;color:var(--accent)}

/* ---- calculateur ---- */
.calc{background:var(--nuit);color:var(--craie);border-radius:var(--radius-lg);padding:clamp(1.6rem,4vw,2.6rem);box-shadow:var(--shadow);position:relative;overflow:hidden}
.calc::before{content:"";position:absolute;top:0;left:0;right:0;height:6px;background:linear-gradient(90deg,#28A8E1 0 25%,#3FB54F 25% 50%,#F5941E 50% 75%,#CC4F51 75% 100%)}
.calc label{font-family:var(--tech);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(247,245,241,.65);display:block;margin-bottom:.6rem}
.calc .row{display:flex;gap:1rem;flex-wrap:wrap;align-items:flex-end}
.calc input[type="number"]{background:rgba(247,245,241,.08);border:1.5px solid rgba(247,245,241,.25);color:var(--craie);font-family:var(--tech);font-size:1.6rem;padding:.7rem 1rem;border-radius:14px;width:220px}
.calc input[type="range"]{width:100%;accent-color:var(--accent);margin:.8rem 0 0}
.calc-out{margin-top:1.6rem;display:flex;gap:2.5rem;flex-wrap:wrap;align-items:center}
.calc-out .res b{font-family:var(--titre);font-size:clamp(2.6rem,6vw,4rem);font-weight:800;color:var(--accent);line-height:1}
.calc-out .res span{display:block;font-size:.85rem;color:rgba(247,245,241,.65);margin-top:.3rem}
.calc-visual{flex:1;min-width:220px}
.calc-note{margin-top:1.2rem;font-size:.83rem;color:rgba(247,245,241,.55);max-width:none}

/* ---- galerie / lightbox ---- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
@media(max-width:900px){.gallery{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.gallery{grid-template-columns:1fr}}
.gallery figure{border-radius:var(--radius);overflow:hidden;position:relative;cursor:zoom-in;background:var(--sable)}
.gallery img{height:250px;width:100%;object-fit:cover;transition:transform .5s}
.gallery figure:hover img{transform:scale(1.06)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:2rem 1.1rem .9rem;background:linear-gradient(transparent,rgba(14,34,51,.85));color:var(--craie);font-size:.82rem;font-weight:600}
/* ---- bandeaux chantiers suivis ---- */
.chantier{margin-bottom:2.4rem}
.chantier-head{display:flex;align-items:baseline;gap:.9rem;flex-wrap:wrap;margin-bottom:.9rem}
.chantier-head h3{font-size:1.35rem}
.chantier-head .chip{background:var(--accent-soft);border-color:transparent;color:var(--nuit);font-size:.7rem}
.chantier-head .mono{color:var(--gris);font-size:.66rem}
.gallery.strip{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:.9rem;scrollbar-width:thin;scrollbar-color:var(--accent) transparent}
.gallery.strip::-webkit-scrollbar{height:8px}
.gallery.strip::-webkit-scrollbar-thumb{background:var(--sable-2);border-radius:4px}
.gallery.strip::-webkit-scrollbar-thumb:hover{background:var(--accent)}
.gallery.strip figure{flex:0 0 auto;width:min(320px,72vw);scroll-snap-align:start;margin-right:1rem}
.gallery.strip img{height:225px}
/* ---- filtres par catégorie ---- */
.cat-filters{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1.8rem}
.cat-filters .chip{cursor:pointer;font-family:var(--texte);font-weight:700;font-size:.82rem;background:var(--craie);border:1.5px solid rgba(14,34,51,.15);transition:background .2s,color .2s,transform .2s;padding:.5rem 1.05rem}
.cat-filters .chip small{font-weight:500;opacity:.6}
.cat-filters .chip:hover{transform:translateY(-2px)}
.cat-filters .chip.on{background:var(--nuit);color:var(--craie);border-color:var(--nuit)}
.cat-block[hidden]{display:none}

.lightbox{position:fixed;inset:0;background:rgba(14,34,51,.92);z-index:100;display:none;align-items:center;justify-content:center;padding:2rem}
.lightbox.open{display:flex}
.lightbox img{max-height:85vh;max-width:92vw;border-radius:var(--radius);object-fit:contain}
.lightbox button{position:absolute;top:1.2rem;right:1.4rem;background:var(--craie);border:0;width:46px;height:46px;border-radius:50%;font-size:1.3rem;cursor:pointer;font-weight:700}

/* ---- formulaires ---- */
form.f{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
form.f .full{grid-column:1/-1}
@media(max-width:680px){form.f{grid-template-columns:1fr}}
.f label{font-family:var(--tech);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gris);display:block;margin-bottom:.4rem}
.f input,.f select,.f textarea{width:100%;background:#FBFAF7;border:1.5px solid rgba(14,34,51,.15);border-radius:14px;padding:.85rem 1rem;font-family:var(--texte);font-size:.95rem;color:var(--nuit);transition:border-color .2s}
.f input:focus,.f select:focus,.f textarea:focus{border-color:var(--accent);outline:none}
.f textarea{min-height:130px;resize:vertical}

/* ---- FAQ ---- */
.faq{display:grid;gap:.7rem;max-width:820px}
.faq details{background:var(--craie);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
.faq summary{cursor:pointer;list-style:none;font-weight:700;padding:1.15rem 1.4rem;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--titre);font-size:1.4rem;color:var(--accent);transition:transform .3s;flex-shrink:0}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 1.4rem 1.3rem;font-size:.94rem;color:var(--gris)}

/* ---- footer ---- */
footer.site{background:var(--nuit);color:var(--craie);border-radius:var(--radius-lg) var(--radius-lg) 0 0;margin-top:clamp(3rem,7vw,5rem);position:relative;overflow:hidden}
footer.site .bar{position:absolute;top:0;left:0;right:0}
footer.site .in{max-width:1720px;margin:0 auto;padding:clamp(3rem,6vw,4.5rem) clamp(1rem,4vw,2rem) 2rem;display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:2.5rem}
@media(max-width:860px){footer.site .in{grid-template-columns:1fr}}
footer.site img.lg{height:56px;width:auto;margin-bottom:1rem}
footer.site p{color:rgba(247,245,241,.6);font-size:.9rem}
footer.site h4{font-family:var(--tech);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;font-weight:500;color:rgba(247,245,241,.5);margin-bottom:1rem}
footer.site ul{list-style:none;display:grid;gap:.5rem}
footer.site ul a{color:rgba(247,245,241,.85);text-decoration:none;font-size:.92rem}
footer.site ul a:hover{color:var(--accent)}
footer.site .legal{grid-column:1/-1;border-top:1px solid rgba(247,245,241,.12);padding-top:1.4rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.8rem;color:rgba(247,245,241,.45)}

/* ---- CTA bandeau ---- */
.cta-band{background:var(--nuit);color:var(--craie);border-radius:var(--radius-lg);padding:clamp(2.2rem,5vw,3.6rem);display:grid;grid-template-columns:1.4fr 1fr;gap:2rem;align-items:center;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.cta-band::after{content:"";position:absolute;right:-120px;top:-120px;width:320px;height:320px;border-radius:50%;background:var(--accent);opacity:.15}
.cta-band h2{color:var(--craie)}
.cta-band p{color:rgba(247,245,241,.7);margin-top:.8rem}
.cta-band .btns{display:flex;gap:.8rem;flex-wrap:wrap;justify-content:flex-end}
@media(max-width:860px){.cta-band{grid-template-columns:1fr}.cta-band .btns{justify-content:flex-start}}

/* ---- badges / listes ---- */
.zones{display:flex;gap:.5rem;flex-wrap:wrap}
.zones .chip{background:var(--craie);color:var(--nuit);border-color:transparent;box-shadow:var(--shadow-sm)}
.zones .chip.on{background:var(--accent);color:var(--nuit)}
ul.ticks{list-style:none;display:grid;gap:.55rem}
ul.ticks li{padding-left:1.7rem;position:relative;font-size:.95rem}
ul.ticks li::before{content:"";position:absolute;left:0;top:.42em;width:15px;height:15px;border-radius:50%;background:var(--accent-soft)}
ul.ticks li::after{content:"";position:absolute;left:4px;top:calc(.42em + 4px);width:7px;height:4px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
ul.crosses li::before{background:rgba(204,79,81,.12)}
ul.crosses li::after{border-color:var(--rouge);transform:rotate(-45deg)}

/* ---- animations reveal ---- */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}
.rv-l{transform:translateX(-30px)}
.rv-r{transform:translateX(30px)}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}.d4{transition-delay:.32s}.d5{transition-delay:.4s}

/* ---- divers ---- */
/* en-têtes de pages : bandeau nuit pleine largeur avec aire de jeux */
.pagehead{
  padding:180px 0 clamp(4rem,8vw,6.5rem);position:relative;isolation:isolate;overflow:hidden;
  border-radius:0 0 var(--radius-lg) var(--radius-lg);color:var(--craie);
  background:
    radial-gradient(120% 70% at 88% 108%,var(--accent-soft) 0%,transparent 55%),
    linear-gradient(160deg,#0A1B2B 0%,#0E2233 45%,#16324A 100%);
  margin-bottom:clamp(2.5rem,5vw,4rem);
}
.pagehead::before{
  content:"";position:absolute;z-index:-1;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,var(--accent) 0%,transparent 65%);opacity:.16;filter:blur(30px);
  animation:orbTravel 24s ease-in-out infinite alternate;
}
.pagehead::after{
  content:"";position:absolute;z-index:-1;right:clamp(.5rem,4vw,5rem);bottom:-6px;
  width:min(640px,54vw);height:190px;opacity:.42;pointer-events:none;
  background:url("deco-playground.svg") bottom right/contain no-repeat;
  animation:bob 12s ease-in-out infinite alternate;
}
.pagehead h1{font-size:clamp(2.4rem,4.6vw,4.6rem);text-transform:uppercase;max-width:1100px;color:var(--craie)}
.pagehead .lead{margin-top:1.2rem;max-width:760px;color:rgba(247,245,241,.78)}
.notice{border-radius:var(--radius);padding:1.3rem 1.5rem;background:var(--accent-soft);border-left:4px solid var(--accent);font-size:.94rem}
.img-round{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.img-round img{width:100%;object-fit:cover}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,3rem);align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr}}

/* ================================================================
   TEXTURES & FOND VIVANT
   ================================================================ */

/* ---- trame de points sur le fond craie ---- */
body{
  background-image:radial-gradient(rgba(14,34,51,.055) 1.1px,transparent 1.1px);
  background-size:28px 28px;
  animation:gridDrift 90s linear infinite;
}
@keyframes gridDrift{to{background-position:280px 280px}}

/* ---- grain photographique sur tout le site ---- */
body::after{
  content:"";position:fixed;inset:-50%;z-index:98;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.55 0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 1.2s steps(4) infinite;
}
@keyframes grain{
  0%{transform:translate(0,0)}25%{transform:translate(-2%,1.5%)}
  50%{transform:translate(1.5%,-2%)}75%{transform:translate(-1%,-1%)}100%{transform:translate(0,0)}
}

/* ---- couche de formes flottantes (injectée par site.js) ---- */
main,header.hero,.pagehead,footer.site{position:relative;z-index:1}
.bg-deco{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.bg-deco .shape{position:absolute;will-change:transform}
.bg-deco .shape>i{display:block;width:100%;height:100%}
/* bulles floues */
.bg-deco .blob>i{border-radius:50%;filter:blur(60px)}
.bg-deco .b1{width:44vw;height:44vw;top:-14vw;right:-12vw}
.bg-deco .b1>i{background:var(--accent);opacity:.14;animation:bob 11s ease-in-out infinite alternate}
.bg-deco .b2{width:34vw;height:34vw;bottom:-10vw;left:-10vw}
.bg-deco .b2>i{background:var(--nuit);opacity:.10;animation:bob 14s 1.2s ease-in-out infinite alternate}
.bg-deco .b3{width:24vw;height:24vw;top:44%;left:56%}
.bg-deco .b3>i{background:var(--sable-2);opacity:.85;animation:bob 17s .6s ease-in-out infinite alternate}
/* anneaux — le rond est la forme du jeu */
.bg-deco .ring>i{border-radius:50%;border:2.5px solid var(--accent);opacity:.16}
.bg-deco .r1{width:220px;height:220px;top:16%;left:6%}
.bg-deco .r1>i{animation:bob 9s ease-in-out infinite alternate}
.bg-deco .r2{width:120px;height:120px;top:64%;right:8%}
.bg-deco .r2>i{border-style:dashed;border-color:var(--nuit);opacity:.14;animation:spin 40s linear infinite}
.bg-deco .r3{width:64px;height:64px;top:36%;right:26%}
.bg-deco .r3>i{border-width:8px;opacity:.12;animation:bob 7s .8s ease-in-out infinite alternate}
/* pastille pleine qui rebondit doucement */
.bg-deco .dot{width:26px;height:26px;top:74%;left:20%}
.bg-deco .dot>i{border-radius:50%;background:var(--accent);opacity:.35;animation:bounceSoft 3.6s cubic-bezier(.45,0,.55,1) infinite}
/* croix de cote (clin d'œil chantier) */
.bg-deco .plus{width:34px;height:34px;top:24%;right:38%;opacity:.14}
.bg-deco .plus>i{animation:spin 60s linear infinite reverse;position:relative}
.bg-deco .plus>i::before,.bg-deco .plus>i::after{content:"";position:absolute;background:var(--nuit);border-radius:3px}
.bg-deco .plus>i::before{left:50%;top:0;bottom:0;width:3px;margin-left:-1.5px}
.bg-deco .plus>i::after{top:50%;left:0;right:0;height:3px;margin-top:-1.5px}
@keyframes bob{from{transform:translate3d(0,-18px,0) scale(1)}to{transform:translate3d(0,22px,0) scale(1.05)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes bounceSoft{0%,100%{transform:translateY(0)}50%{transform:translateY(-46px)}}

/* ---- barre de progression de lecture ---- */
.scroll-progress{position:fixed;top:6px;left:0;height:3px;width:0;background:var(--accent);z-index:99;border-radius:0 3px 3px 0}

/* ---- hero : anneau décoratif + flottement de la carte ---- */
.hero::after{
  content:"";position:absolute;z-index:1;width:min(46vw,520px);height:min(46vw,520px);
  right:-8%;top:-14%;border-radius:50%;border:2px dashed rgba(247,245,241,.5);
  animation:spin 70s linear infinite;pointer-events:none;
}
.hero-in{z-index:2}
.float-card.in{animation:floaty 6.5s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-12px) rotate(-.4deg)}}
.float-card .tag{animation:tagPulse 3s ease-in-out infinite}
@keyframes tagPulse{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}
.float-media .play span{animation:playGlow 2.6s ease-in-out infinite}
@keyframes playGlow{0%,100%{box-shadow:0 8px 24px rgba(14,34,51,.35),0 0 0 0 var(--accent-soft)}50%{box-shadow:0 8px 24px rgba(14,34,51,.35),0 0 0 16px rgba(245,148,30,0)}}

/* ---- boutons : reflet qui balaie au survol ---- */
.btn{position:relative;overflow:hidden}
.btn::after{
  content:"";position:absolute;top:0;bottom:0;left:-80%;width:50%;
  background:linear-gradient(105deg,transparent,rgba(255,255,255,.35),transparent);
  transform:skewX(-20deg);transition:left .55s ease;
}
.btn:hover::after{left:130%}

/* ---- cartes : halo d'angle + inclinaison + icône vivante ---- */
.card{overflow:hidden}
.card::before{
  content:"";position:absolute;top:-30px;right:-30px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,var(--accent-soft) 0 60%,transparent 61%);
  opacity:0;transform:scale(.6);transition:opacity .4s,transform .4s;pointer-events:none;
}
.card:hover::before{opacity:1;transform:scale(1)}
.card:hover{transform:translateY(-5px) rotate(-.35deg)}
.card:hover .ico{animation:wiggle .5s ease}
@keyframes wiggle{0%{transform:rotate(0)}30%{transform:rotate(-8deg)}60%{transform:rotate(6deg)}100%{transform:rotate(0)}}

/* ---- sections sable : trame + halo isolés ---- */
.on-sable{position:relative;isolation:isolate;overflow:hidden}
.on-sable::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background-image:radial-gradient(rgba(14,34,51,.06) 1.2px,transparent 1.2px);
  background-size:22px 22px;
  mask-image:linear-gradient(180deg,transparent,#000 18%,#000 82%,transparent);
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 18%,#000 82%,transparent);
}
.on-sable::after{
  content:"";position:absolute;z-index:-1;width:420px;height:420px;border-radius:50%;
  background:var(--accent);opacity:.07;filter:blur(70px);top:-140px;right:-120px;
  animation:bob 13s ease-in-out infinite alternate;
}

/* ---- sections nuit & footer : halo qui voyage + lignes fines ---- */
.on-nuit,footer.site{position:relative;isolation:isolate;overflow:hidden}
.on-nuit::before,footer.site::before{
  content:"";position:absolute;z-index:-1;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,var(--accent) 0%,transparent 65%);opacity:.14;filter:blur(30px);
  animation:orbTravel 22s ease-in-out infinite alternate;
}
@keyframes orbTravel{
  0%{top:-220px;left:-160px}
  50%{top:30%;left:58%}
  100%{top:60%;left:-120px}
}
.on-nuit::after{
  content:"";position:absolute;inset:0;z-index:-1;opacity:.5;
  background-image:linear-gradient(rgba(247,245,241,.045) 1px,transparent 1px);
  background-size:100% 42px;
}

/* ---- bandeau CTA : cercle qui respire ---- */
.cta-band::after{animation:breathe 7s ease-in-out infinite}
@keyframes breathe{0%,100%{transform:scale(1);opacity:.15}50%{transform:scale(1.25);opacity:.24}}

/* ---- kicker : le trait se dessine ---- */
.kicker::before{animation:lineGrow .9s cubic-bezier(.2,.7,.3,1) both}
@keyframes lineGrow{from{width:0;opacity:0}to{width:26px;opacity:1}}

/* ---- stats : soulignement accent ---- */
.stat{position:relative;overflow:hidden}
.stat::after{content:"";position:absolute;left:1.3rem;bottom:1.05rem;width:34px;height:3px;background:var(--accent);border-radius:2px;opacity:.85}

/* ---- galerie : pastille + au survol ---- */
.gallery figure::after{
  content:"+";position:absolute;top:12px;right:12px;width:38px;height:38px;border-radius:50%;
  background:var(--accent);color:var(--nuit);font-family:var(--titre);font-size:1.3rem;font-weight:800;
  display:flex;align-items:center;justify-content:center;opacity:0;transform:scale(.5) rotate(-90deg);
  transition:opacity .3s,transform .3s;
}
.gallery figure:hover::after{opacity:1;transform:scale(1) rotate(0)}

/* ---- étapes : glissement + numéro vivant au survol ---- */
.step-row{transition:transform .3s,box-shadow .3s}
.step-row:hover{transform:translateX(8px);box-shadow:var(--shadow)}
.step-row:hover .n{display:inline-block;animation:wiggle .5s ease}

/* ---- coupe : indicateur pulsant sur la couche active ---- */
.layer[aria-expanded="true"]::before{
  content:"";position:absolute;left:-14px;top:50%;width:8px;height:8px;border-radius:50%;
  background:var(--accent);transform:translateY(-50%);
  animation:playGlow 2s ease-in-out infinite;
}

/* ---- accessibilité : tout se calme si demandé ---- */
@media(prefers-reduced-motion:reduce){
  body{animation:none}
  body::after{animation:none}
  .bg-deco{display:none}
  .hero::after,.float-card.in,.float-card .tag,.float-media .play span,
  .on-nuit::before,footer.site::before,.on-sable::after,.cta-band::after{animation:none}
}
@media(max-width:760px){
  .bg-deco .r1,.bg-deco .r3,.bg-deco .plus{display:none}
  .hero::after{display:none}
  .hero-sky .sun{left:auto;right:-34px;top:4%}
  .pagehead::after{width:78vw;opacity:.3}
}