:root{
  --paper:#FBF6EF;--ink:#17110F;--red:#E4181B;--mute:#7c7169;--line:#e7ddd0;
  --g:linear-gradient(102deg,#E4181B 0%,#FF3E9A 15%,#FF7A1A 31%,#FFC21E 47%,#12C2A8 63%,#2E5BFF 80%,#8A2BE2 92%,#E4181B 100%);
  --pad:clamp(20px,5vw,72px);--ease:cubic-bezier(.2,.8,.2,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{background:var(--paper);color:var(--ink);font-family:"Space Grotesk",system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.syne{font-family:"Syne",sans-serif}
.eyebrow{font-size:12px;letter-spacing:.32em;text-transform:uppercase;font-weight:600;color:var(--mute)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 30px;border-radius:100px;font-weight:600;font-size:14px;letter-spacing:.08em;text-transform:uppercase;transition:transform .3s var(--ease),background .3s,color .3s}
.btn:active{transform:scale(.97)}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:#c41215}
.btn-ink{background:var(--ink);color:#fff}
.btn-line{border:1.5px solid currentColor}
.btn[disabled]{opacity:.35;pointer-events:none}

/* ---------- barre ---------- */
.bar{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:18px var(--pad);transition:background .4s,color .4s,padding .4s}
.bar.on-dark{color:#fff}
.bar.solid{background:rgba(251,246,239,.92);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);color:var(--ink);padding-top:12px;padding-bottom:12px;box-shadow:0 1px 0 var(--line)}
.logo{font-family:"Syne";font-weight:800;letter-spacing:.14em;font-size:15px}
.logo b{color:var(--red)}
.nav{display:flex;align-items:center;gap:26px;font-size:13px;letter-spacing:.08em;text-transform:uppercase;font-weight:600}
.nav a{opacity:.8}.nav a:hover,.nav a.act{opacity:1}
.cart-btn{position:relative;display:flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;border-radius:100px;border:1.5px solid currentColor;font-size:13px;letter-spacing:.08em;text-transform:uppercase;font-weight:600}
.cart-btn .n{min-width:20px;height:20px;border-radius:10px;background:var(--red);color:#fff;font-size:11px;display:none;align-items:center;justify-content:center;padding:0 6px}
.cart-btn .n.show{display:inline-flex}
.logo,.cart-btn{white-space:nowrap}
@media(max-width:720px){.nav .hide-m{display:none}.nav{gap:14px}}
@media(max-width:420px){.bar{padding-left:16px;padding-right:16px}.logo{font-size:13px;letter-spacing:.08em}.nav>a{display:none}.cart-btn{min-height:40px;padding:0 14px;font-size:12px}}
@media(max-width:340px){.logo{font-size:11px;letter-spacing:.04em}.cart-btn{padding:0 11px}}

/* ---------- média dynamique (image / vidéo / fond de secours) ---------- */
.media{position:relative;overflow:hidden;background:#1b1715}
.media>img,.media>video{width:100%;height:100%;object-fit:cover}
.media.contain>img,.media.contain>video{object-fit:contain}
.media.fallback::after{content:"";position:absolute;inset:0;background:var(--g);background-size:300% 100%;animation:flow 10s linear infinite;opacity:.9}
@keyframes flow{to{background-position:300% 0}}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;color:#fff;overflow:hidden;background:#0e0c0b}
.hero .media{position:absolute;inset:0}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.45) 0%,rgba(0,0,0,0) 28%,rgba(0,0,0,.2) 50%,rgba(0,0,0,.82) 100%)}
.hero-in{position:relative;z-index:2;width:100%;padding:130px var(--pad) clamp(34px,7vh,80px)}
.hero h1{font-family:"Syne";font-weight:800;font-size:clamp(34px,8.6vw,138px);line-height:.92;letter-spacing:-.025em;max-width:13ch;overflow-wrap:break-word}
.hero .sub{margin-top:22px;font-size:clamp(19px,2.2vw,28px);line-height:1.25;white-space:pre-line;font-weight:500}
.hero .row{margin-top:30px;display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px}
.hero .appline{font-size:13px;opacity:.78;max-width:380px;line-height:1.5}
/* voile oblique : le titre reste sur le noir, jamais sur l’œuvre (le cadre
   commence à ~55% de la largeur quelle que soit la taille de l’écran) */
@media(min-width:721px){
  .hero::after{background:linear-gradient(97deg,rgba(6,5,5,.88) 0%,rgba(6,5,5,.74) 30%,rgba(6,5,5,.34) 50%,rgba(6,5,5,0) 64%),linear-gradient(180deg,rgba(0,0,0,.42) 0%,rgba(0,0,0,0) 30%,rgba(0,0,0,.18) 52%,rgba(0,0,0,.78) 100%)}
  .hero h1{font-size:clamp(46px,7.2vw,116px);max-width:min(13ch,52vw)}
  .hero .sub{max-width:min(46ch,48vw)}
  .hero .row{max-width:min(52vw,660px)}
  .hero .appline{max-width:min(42ch,44vw)}
}
.stores{display:flex;gap:10px;flex-wrap:wrap}
.store{display:inline-flex;align-items:center;gap:10px;height:48px;padding:0 16px 0 12px;border-radius:10px;background:#000;color:#fff;border:1px solid rgba(255,255,255,.35);transition:transform .3s var(--ease)}
.store:hover{transform:translateY(-2px)}
.store svg{width:24px;height:24px;flex:0 0 auto}
.store small{display:block;font-size:9.5px;letter-spacing:.04em;opacity:.85;line-height:1}
.store b{display:block;font-size:17px;font-weight:600;line-height:1.1;letter-spacing:-.01em}
.store.soon{opacity:.55;cursor:default}
.store.soon:hover{transform:none}
.scroll-hint{position:absolute;right:var(--pad);bottom:clamp(34px,7vh,80px);z-index:2;font-size:11px;letter-spacing:.3em;text-transform:uppercase;opacity:.7;writing-mode:vertical-rl}
@media(max-width:720px){.scroll-hint{display:none}.hero .row .btn{width:100%}}

/* ---------- section titre ---------- */
.sec{padding:clamp(80px,12vw,170px) var(--pad)}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:end;margin-bottom:clamp(40px,6vw,80px)}
.sec-head h2{font-family:"Syne";font-weight:800;font-size:clamp(36px,6vw,88px);line-height:.95;letter-spacing:-.02em;margin-top:14px}
.sec-head p{font-size:clamp(16px,1.5vw,19px);line-height:1.55;color:#4a403a;max-width:460px;justify-self:end}
@media(max-width:820px){.sec-head{grid-template-columns:1fr}.sec-head p{justify-self:start}}

/* ---------- grille galerie ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(30px,3.2vw,52px) clamp(16px,3vw,48px);align-items:start}
.work{display:block}
.work:nth-child(3n+2){margin-top:clamp(24px,3.4vw,58px)}
.work .media{aspect-ratio:2/3;border-radius:4px;background:#e9e1d6}
.work .media .alt{object-fit:cover;transition:opacity .7s}
.work .media img{transition:transform 1.4s var(--ease),opacity .6s}
.work .media .alt{position:absolute;inset:0;opacity:0}
.work:hover .media img.main{transform:scale(1.04)}
.work:hover .media .alt{opacity:1}
.work .badge{position:absolute;top:16px;left:16px;z-index:2;display:inline-flex;align-items:center;gap:7px;padding:7px 12px;border-radius:100px;background:rgba(255,255,255,.9);color:var(--ink);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;font-weight:600;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.work .badge i{width:7px;height:7px;border-radius:50%;background:var(--red);box-shadow:0 0 0 0 rgba(228,24,27,.6);animation:ping 2s infinite}
@keyframes ping{70%{box-shadow:0 0 0 8px rgba(228,24,27,0)}100%{box-shadow:0 0 0 0 rgba(228,24,27,0)}}
.work .meta{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding-top:16px}
.work h3{font-family:"Syne";font-weight:700;font-size:clamp(20px,2vw,28px);letter-spacing:-.01em}
.work .sub{font-size:14px;color:var(--mute);margin-top:4px}
.work .price{font-size:14px;white-space:nowrap;text-align:right}
.work .price small{display:block;font-size:11px;color:var(--mute);letter-spacing:.06em}
.work .price s{color:var(--mute);margin-right:6px}
.work .price .sale{color:var(--red);font-weight:600}
@media(max-width:820px){
  .gallery{grid-template-columns:1fr 1fr}
  .work:nth-child(3n+2){margin-top:0}
  .work:nth-child(2n){margin-top:clamp(20px,3vw,44px)}
}
@media(max-width:480px){.gallery{grid-template-columns:1fr}.work:nth-child(n){margin-top:0}}

/* ---------- apparition au défilement ---------- */
.rv{opacity:0;transform:translateY(34px);transition:opacity 1s var(--ease),transform 1.1s var(--ease)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* ---------- section AR ---------- */
.ar{background:var(--ink);color:#fff;padding-bottom:clamp(54px,5vw,84px)}
.ar .sec-head p{color:rgba(255,255,255,.7)}
.ar .eyebrow{color:rgba(255,255,255,.55)}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(12px,2vw,26px);counter-reset:s}
.step .media{aspect-ratio:9/11;border-radius:6px}
.step h3{font-family:"Syne";font-weight:700;font-size:clamp(18px,1.6vw,22px);margin-top:18px;display:flex;gap:12px;align-items:baseline}
.step h3::before{counter-increment:s;content:"0" counter(s);font-size:12px;color:var(--red);letter-spacing:.1em}
.step p{margin-top:8px;font-size:14.5px;line-height:1.5;color:rgba(255,255,255,.66)}
.ar-foot{margin-top:clamp(28px,3.4vw,46px);display:flex;flex-wrap:wrap;gap:14px 24px;align-items:center;justify-content:center}
.ar-foot a.demo{font-size:14px;border-bottom:1px solid rgba(255,255,255,.4);padding-bottom:2px;color:rgba(255,255,255,.8)}
@media(max-width:900px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:520px){.steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.step p{font-size:13px}}

/* ---------- fiche produit ---------- */
.pdp{padding:clamp(90px,12vh,130px) var(--pad) 40px;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:clamp(28px,5vw,90px);align-items:start}
.pdp-media{display:grid;gap:14px}
.pdp-stage{position:relative}
.pdp-main{aspect-ratio:4/5;border-radius:4px;background:#ede5da}
/* flèches de galerie : réservées aux écrans avec un pointeur, le téléphone se balaie */
.pdp-stage .nav{position:absolute;top:50%;transform:translateY(-50%);z-index:2;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;color:var(--ink);background:rgba(255,255,255,.9);box-shadow:0 6px 22px rgba(0,0,0,.16);opacity:.9;transition:opacity .25s,background .25s,transform .25s}
.pdp-stage .prev{left:14px}
.pdp-stage .next{right:14px}
.pdp-stage .next svg{transform:rotate(180deg)}
.pdp-stage .nav svg{width:19px;height:19px}
.pdp-stage .nav:hover{opacity:1;background:#fff;transform:translateY(-50%) scale(1.07)}
.pdp-stage .nav:focus-visible{opacity:1;outline:2px solid var(--ink);outline-offset:3px}
@media(hover:none),(max-width:900px){.pdp-stage .nav{display:none}}
.pdp-main.contain{background:#f1ebe2}
.thumbs{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none}
.thumbs::-webkit-scrollbar{display:none}
.thumbs button{flex:0 0 84px;height:100px;border-radius:3px;overflow:hidden;opacity:.55;outline:1.5px solid transparent;outline-offset:2px;transition:opacity .3s,outline-color .3s}
.thumbs button.on{opacity:1;outline-color:var(--ink)}
.thumbs button img{width:100%;height:100%;object-fit:cover}
.thumbs .vid{position:relative;background:#111}
.thumbs .vid::after{content:"AR";position:absolute;inset:auto 6px 6px auto;font-size:10px;font-weight:700;letter-spacing:.1em;color:#fff;background:var(--red);padding:3px 6px;border-radius:100px}
.pdp-info{position:sticky;top:96px}
.pdp-info h1{font-family:"Syne";font-weight:800;font-size:clamp(40px,5vw,76px);line-height:.95;letter-spacing:-.02em;margin-top:14px}
.pdp-info .subtitle{font-size:clamp(17px,1.5vw,20px);color:#4a403a;margin-top:14px}
.pdp-info .desc{margin-top:22px;font-size:16px;line-height:1.6;color:#3b322d}
.pdp-price{margin-top:30px;display:flex;align-items:baseline;gap:12px;font-family:"Syne";font-weight:700;font-size:clamp(28px,2.6vw,36px)}
.pdp-price s{font-size:.55em;color:var(--mute);font-weight:600}
.pdp-price .tag{font-family:"Space Grotesk";font-size:11px;letter-spacing:.14em;text-transform:uppercase;background:var(--red);color:#fff;padding:5px 9px;border-radius:100px;align-self:center}
.label{font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;font-weight:600;color:var(--mute);margin:28px 0 12px}
.formats{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.fmt{position:relative;text-align:left;padding:16px 40px 14px 16px;border-radius:10px;border:1.5px solid var(--line);background:#fffdfa;transition:border-color .25s,background .25s}
.fmt.on{border-color:var(--ink);background:#fff}
.fmt b{display:block;font-family:"Syne";font-size:clamp(15px,4.2vw,19px);white-space:nowrap}
.fmt span{display:block;font-size:13px;color:var(--mute);margin-top:4px}
.fmt .coche{position:absolute;right:14px;top:50%;transform:translateY(-50%);width:24px;height:24px;border:1.5px solid #cbbfae;border-radius:50%;background:#fff;transition:background .25s,border-color .25s}
/* le trait du « V » est sur les bords droit et bas de sa boîte : son poids
   visuel tombe en bas à droite, d'où le décalage vers le haut et la gauche */
.fmt .coche::after{content:"";position:absolute;left:50%;top:50%;width:6px;height:11px;border:solid #fff;border-width:0 2px 2px 0;transform:translate(-62%,-68%) rotate(45deg) scale(.4);opacity:0;transition:opacity .2s,transform .25s cubic-bezier(.2,.8,.2,1)}
.fmt.on .coche{background:var(--ink);border-color:var(--ink)}
.fmt.on .coche::after{opacity:1;transform:translate(-62%,-68%) rotate(45deg) scale(1)}
.fmt:hover:not(.on) .coche{border-color:var(--ink)}
.fmt.off{opacity:.55}
.fmt.off span::after{content:" · épuisé"}
.buy{display:flex;gap:10px;margin-top:22px}
.qty{display:flex;align-items:center;border:1.5px solid var(--line);border-radius:100px;height:56px}
.qty button{width:48px;height:100%;font-size:20px}
.qty input{width:44px;height:100%;border:0;background:none;text-align:center;font:inherit;font-size:16px;-moz-appearance:textfield}
.qty input::-webkit-outer-spin-button,.qty input::-webkit-inner-spin-button{-webkit-appearance:none}
.buy .btn{flex:1;min-height:56px}
.avail{margin-top:14px;font-size:13.5px;display:flex;align-items:center;gap:8px;color:#3b322d}
.avail i{width:8px;height:8px;border-radius:50%;background:#1f9d55}
.avail.no i{background:#b9a99a}
.ar-note{margin-top:26px;display:flex;gap:14px;align-items:center;padding:16px;border-radius:12px;background:#f3ece2}
.ar-note .ic{flex:0 0 42px;height:42px;border-radius:10px;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-family:"Syne";font-weight:800;font-size:12px}
.ar-note p{font-size:14px;line-height:1.45}
.ar-note a{font-weight:600;border-bottom:1px solid currentColor}
@media(max-width:900px){.pdp{grid-template-columns:1fr}.pdp-info{position:static}}

.specs{padding:clamp(60px,9vw,120px) var(--pad);display:grid;grid-template-columns:1fr 1.4fr;gap:clamp(28px,5vw,90px);border-top:1px solid var(--line)}
.specs h2,.frames-sec h2,.long h2{font-family:"Syne";font-weight:800;font-size:clamp(30px,3.6vw,52px);line-height:1;letter-spacing:-.02em}
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.spec{padding:18px 0;border-bottom:1px solid var(--line)}
.spec dt{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--mute);font-weight:600}
.spec dd{margin-top:6px;font-size:17px;line-height:1.35}
.spec dd.flash{animation:flash .6s var(--ease)}
@keyframes flash{from{color:var(--red)}}
@media(max-width:820px){.specs{grid-template-columns:1fr}.spec-grid{grid-template-columns:1fr}}

.long{padding:clamp(60px,9vw,120px) var(--pad);display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,90px);align-items:center;background:#f3ece2}
.long .media{aspect-ratio:1;border-radius:4px}
.long p{margin-top:20px;font-size:17px;line-height:1.65;color:#3b322d;max-width:520px}
@media(max-width:820px){.long{grid-template-columns:1fr}}

.pdp-ar{background:var(--ink);color:#fff;padding:clamp(60px,9vw,120px) var(--pad);display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,90px);align-items:center}
.pdp-ar h2{font-family:"Syne";font-weight:800;font-size:clamp(34px,4.4vw,64px);line-height:.95;letter-spacing:-.02em}
.pdp-ar p{margin-top:18px;font-size:17px;line-height:1.6;color:rgba(255,255,255,.72);max-width:460px}
.pdp-ar .stores{margin-top:28px}
.pdp-ar .stage{position:relative;aspect-ratio:4/5;border-radius:6px;background:#1c1816;display:flex;align-items:center;justify-content:center;overflow:hidden}
.pdp-ar .stage .frame{width:62%;aspect-ratio:2/3;box-shadow:0 30px 60px rgba(0,0,0,.6);border:10px solid #000;background:#fbfaf7;padding:3%}
.pdp-ar .stage .frame .media{width:100%;height:100%;background:transparent}
.pdp-ar .stage .frame .media video{position:absolute;inset:0}
.pdp-ar .stage{padding-bottom:56px}
.pdp-ar .play{white-space:nowrap;position:absolute;left:50%;bottom:16px;transform:translateX(-50%);display:flex;gap:10px;align-items:center;font-size:12px;letter-spacing:.14em;text-transform:uppercase;background:rgba(255,255,255,.12);padding:10px 16px;border-radius:100px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
@media(max-width:820px){.pdp-ar{grid-template-columns:1fr}.pdp-ar .stage{order:-1}}

.frames-sec{padding:clamp(60px,9vw,120px) var(--pad)}
.frames-sec .intro{margin-top:14px;font-size:16px;color:#4a403a;max-width:560px;line-height:1.55}
/* au-delà de 820 px, la largeur est calée sur le titre (voir caleIntroCadres) */
@media(min-width:821px){.frames-sec .intro{max-width:none}}
.frames{margin-top:40px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,320px));gap:22px;justify-content:start}
.frame-card .media{aspect-ratio:1;border-radius:4px;background:#ede5da}
.frame-card .brand{margin-top:14px;font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--mute);font-weight:600}
.frame-card h3{font-size:17px;margin-top:4px}
.frame-card .col{font-size:14px;color:var(--mute);margin-top:2px}
.fbuys{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px}
.fbuy{display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:100px;border:1.5px solid var(--ink);font-size:13px;font-weight:600;white-space:nowrap;transition:background .25s,color .25s}
.fbuy:hover{background:var(--ink);color:var(--paper)}
.fbuy.on{background:var(--ink);color:var(--paper)}
.fbuy.on:hover{opacity:.85}
.frames-empty{margin-top:30px;color:var(--mute)}

.more{padding:clamp(60px,9vw,120px) var(--pad);border-top:1px solid var(--line)}
.more .gallery .work:nth-child(n){margin-top:0}

/* ---------- tiroir panier ---------- */
.veil{position:fixed;inset:0;background:rgba(14,12,11,.5);z-index:80;opacity:0;pointer-events:none;transition:opacity .4s}
.veil.on{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(460px,100%);background:var(--paper);z-index:81;display:flex;flex-direction:column;transform:translateX(100%);visibility:hidden;transition:transform .55s var(--ease),visibility 0s .55s}
.drawer.on{transform:none;visibility:visible;transition:transform .55s var(--ease),visibility 0s}
html,body{overflow-x:clip}
.drawer-h{display:flex;justify-content:space-between;align-items:center;padding:22px 24px;border-bottom:1px solid var(--line)}
.drawer-h h2{font-family:"Syne";font-size:22px}
.drawer-h button{width:44px;height:44px;font-size:26px;line-height:1}
.drawer-b{flex:1;overflow-y:auto;padding:8px 24px}
.drawer-f{padding:20px 24px calc(20px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#fffdfa}
.line{display:grid;grid-template-columns:78px 1fr;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.line .media{aspect-ratio:4/5;border-radius:3px;background:#ede5da}
.line h3{font-family:"Syne";font-size:17px}
.line .fm{font-size:13px;color:var(--mute);margin-top:3px}
.line .row{display:flex;align-items:center;justify-content:space-between;margin-top:12px;gap:10px}
.line .qty{height:42px}
.line .qty button{width:40px}
.line .qty input{width:36px}
.line .rm{font-size:12px;color:var(--mute);border-bottom:1px solid currentColor;min-height:32px}
.line .pr{font-weight:600;font-size:15px}
.sum{display:flex;justify-content:space-between;font-size:14.5px;padding:4px 0}
.sum.tot{font-family:"Syne";font-weight:800;font-size:22px;padding-top:12px}
.drawer-f .btn{width:100%;margin-top:16px}
.drawer-f .note{margin-top:10px;font-size:12px;color:var(--mute);text-align:center}
.empty{padding:60px 0;text-align:center;color:var(--mute)}
.empty .btn{margin-top:22px}

/* ---------- commande ---------- */
.co{padding:clamp(90px,12vh,120px) var(--pad) 80px;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:clamp(28px,5vw,80px);align-items:start}
.co h1{font-family:"Syne";font-weight:800;font-size:clamp(36px,4.6vw,64px);letter-spacing:-.02em;line-height:1}
.fs{margin-top:34px}
.fs h2{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--mute);font-weight:600;margin-bottom:14px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid3{display:grid;grid-template-columns:2fr 1fr;gap:12px}
.f{position:relative}
.f input,.f select{width:100%;height:56px;padding:22px 16px 6px;border:1.5px solid var(--line);border-radius:10px;background:#fffdfa;font:inherit;font-size:16px;color:var(--ink);-webkit-appearance:none;appearance:none;transition:border-color .2s}
.f select{padding-top:20px}
.f label{position:absolute;left:17px;top:9px;font-size:11px;letter-spacing:.06em;color:var(--mute);pointer-events:none}
.f input:focus,.f select:focus{outline:0;border-color:var(--ink)}
.f.err input,.f.err select{border-color:var(--red)}
.chk{display:flex;gap:12px;align-items:center;margin-top:16px;font-size:15px;min-height:44px;cursor:pointer}
.chk input{width:22px;height:22px;accent-color:var(--ink)}
.co .grid2+.grid2,.co .f+.grid2,.co .grid2+.f,.co .grid3+.grid2,.co .f+.grid3{margin-top:12px}
.summary{position:sticky;top:100px;background:#fffdfa;border:1px solid var(--line);border-radius:14px;padding:24px}
.summary .line{grid-template-columns:64px 1fr}
.summary .line:last-of-type{border-bottom:0}
.pay{margin-top:18px}
.pay .btn{width:100%;min-height:58px}
.pay-note{display:flex;gap:8px;justify-content:center;align-items:center;margin-top:12px;font-size:12px;color:var(--mute)}
.pay-logos{display:flex;gap:6px;justify-content:center;margin-top:10px}
.pay-logos span{font-size:11px;font-weight:600;border:1px solid var(--line);border-radius:5px;padding:4px 7px;color:#4a403a}
.demo-banner{margin-top:16px;padding:12px 14px;border-radius:10px;background:#fff3cd;color:#6b5200;font-size:13px;line-height:1.45}
.co>*,.summary .line>div{min-width:0}
.pay-logos{flex-wrap:wrap}
@media(max-width:900px){.co{grid-template-columns:1fr}.summary{position:static}}
@media(max-width:520px){.grid2,.grid3{grid-template-columns:1fr}}

footer.foot{padding:50px var(--pad);border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;font-size:13px;color:var(--mute)}
footer.foot a{border-bottom:1px solid transparent}footer.foot a:hover{border-color:currentColor}

.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,120px);background:var(--ink);color:#fff;padding:14px 20px;border-radius:100px;font-size:14px;z-index:90;transition:transform .5s var(--ease)}
.toast.on{transform:translate(-50%,0)}

/* ---------- page de remerciement ---------- */
.merci{padding:clamp(120px,18vh,180px) var(--pad) 90px;max-width:760px}
.merci h1{font-family:"Syne";font-weight:800;font-size:clamp(44px,7vw,92px);line-height:.95;margin:12px 0 18px}
.merci .lead{font-size:18px;line-height:1.6;color:#3b322d;max-width:540px}
.merci-ar{margin:36px 0 30px;background:var(--ink);color:#fff;border-radius:18px;padding:clamp(24px,4vw,38px)}
.merci-ar h2{font-family:"Syne";font-weight:800;font-size:clamp(24px,3.4vw,36px);line-height:1.05}
.merci-ar p{margin:12px 0 22px;color:rgba(255,255,255,.75);line-height:1.55;max-width:460px}

/* ---------- pages légales ---------- */
.legal{padding:clamp(110px,15vh,150px) var(--pad) 80px;max-width:820px}
.retour-lien{font-size:13px;color:var(--mute);display:inline-block;margin-bottom:18px}
.legal h1{font-family:"Syne";font-weight:800;font-size:clamp(34px,5vw,64px);line-height:1;letter-spacing:-.02em;margin:10px 0 8px}
.legal .maj{font-size:13px;color:var(--mute);margin-bottom:34px}
.legal-corps h2{font-family:"Syne";font-weight:700;font-size:clamp(19px,2.2vw,24px);margin:36px 0 10px}
.legal-corps p{font-size:16px;line-height:1.7;color:#3b322d;margin-bottom:12px}
.legal-corps strong{color:var(--ink)}
.cgv-chk{align-items:flex-start;font-size:13.5px;line-height:1.45;margin:18px 0 4px}
.cgv-chk input{margin-top:2px;flex:0 0 auto}
.cgv-chk a{text-decoration:underline}
.aide-tva{font-size:12.5px;color:var(--mute);line-height:1.45;margin-top:8px}
.aide-tva.ok{color:#1f7a45}
.aide-tva.attention{color:#a8730b}
.mention-tva{font-size:12px;color:var(--mute);line-height:1.45;margin-top:10px;padding-top:10px;border-top:1px solid var(--line)}
.cgv-chk span{flex:1;min-width:0}
.cgv-chk em{font-style:normal;color:var(--mute)}
.sum.tot{flex-wrap:wrap;gap:4px 12px;font-size:clamp(17px,4.6vw,22px)}
.sum.tot span{white-space:nowrap}

/* ---------- logo de l'en-tête ---------- */
.logo img{height:38px;width:auto;border-radius:8px;display:block;transition:transform .3s var(--ease)}
.logo:hover img{transform:scale(1.04)}
@media(max-width:420px){.logo img{height:32px}}

/* ---------- titres de section centrés ----------
   L'ancienne mise en page réservait la moitié droite au texte d'introduction,
   ce qui laissait une grande zone vide dès que le titre était court. */
.sec-head.centre{display:block;text-align:center;max-width:1000px;margin-left:auto;margin-right:auto}
.sec-head.centre h2{font-size:clamp(32px,5.4vw,74px);line-height:1;margin:14px auto 0;max-width:24ch;text-wrap:balance}
.sec-head.centre p{margin:22px auto 0;max-width:56ch;justify-self:auto;font-size:clamp(16px,1.6vw,20px)}