/* ============================================================================
   ARJB Studio — feuille de style commune du site vitrine (direction « Atelier »)
   Volontairement CLAIR uniquement (identité chaude sable). Aucun mode sombre.
   ============================================================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --paper:#F5F2EB; --card:#FCFBF7; --panel:#EFEBE0;
  --ink:#1B1A17; --muted:#6B665C; --rule:#E2DCCF;
  /* Accent = OR de la marque ARJB (logo gold-on-black). Gold profond pour le texte
     (contraste AA sur sable), gold vif pour boutons/décor. */
  --accent:#5C5346; --accent-2:#423B31; --accent-tint:rgba(92,83,70,.07); --on-gold:#ffffff;
  --gold:#6E6456;
  --ochre:#5C5346;
  /* iBudgetAll = ROSE poudré (vraie icône) : maquette/barres. */
  --rose:#D98D84; --rose-2:#C56B62; --rose-soft:#E8BFB9;
  /* teintes de spectre (nod à Prisme) en clair, désaturées */
  --aqua:#3E9E8C; --iris:#6B63C4; --amber:#C79A3E; --coral:#C86B54;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --wrap:1240px;
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{font-family:var(--sans);background:var(--paper);color:var(--ink);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.022'/%3E%3C/svg%3E");}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.skip{position:absolute;left:-999px;background:var(--ink);color:var(--paper);padding:10px 16px;z-index:100}.skip:focus{left:8px;top:8px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent)}
.sidx{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase}

.filet{height:1px;border:0;background:linear-gradient(90deg,var(--rule) 0 58%,transparent 58% 62%,var(--aqua) 62%,var(--iris) 69%,var(--amber) 76%,var(--coral) 82%,transparent 88%);opacity:.7}

/* NAV */
.nav{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--rule)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0}
.brand{display:flex;align-items:center;gap:13px;font-weight:800;letter-spacing:-.02em;font-size:18px}
.mark{width:30px;height:30px;border:1.5px solid var(--ink);border-radius:6px;position:relative;flex:none;display:grid;place-items:center;font-family:var(--mono);font-weight:700;font-size:13px}
.mark::before,.mark::after{content:"";position:absolute;width:5px;height:5px;border:1px solid var(--accent)}
.mark::before{top:-3px;left:-3px;border-right:0;border-bottom:0} .mark::after{bottom:-3px;right:-3px;border-left:0;border-top:0}
.mark-img{width:52px;height:52px;flex:none;object-fit:contain}
.nav-links{display:flex;gap:24px;list-style:none}
.nav-links a{font-size:14px;color:var(--muted);position:relative;padding:4px 0}
.nav-links a.active{color:var(--ink)}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1.5px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .18s}
.nav-links a:hover{color:var(--ink)} .nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.btn{font-family:var(--sans);font-size:14.5px;font-weight:650;padding:12px 22px;border-radius:12px;cursor:pointer;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease;display:inline-flex;align-items:center;gap:8px;white-space:nowrap;position:relative;isolation:isolate}
.btn-primary{color:var(--on-gold);border:1px solid color-mix(in srgb,var(--gold) 55%,#ffffff);background:var(--btn-bg,linear-gradient(180deg,color-mix(in srgb,var(--gold) 84%,#ffffff) 0%,var(--gold) 42%,color-mix(in srgb,var(--gold) 84%,#000000) 100%));box-shadow:0 6px 18px color-mix(in srgb,var(--gold) 34%,transparent),inset 0 1px 0 rgba(255,255,255,.42),inset 0 -1px 0 rgba(0,0,0,.14)} .btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px color-mix(in srgb,var(--gold) 48%,transparent),inset 0 1px 0 rgba(255,255,255,.55),inset 0 -1px 0 rgba(0,0,0,.16)}
.btn-ghost{color:var(--ink);border:1px solid color-mix(in srgb,var(--ink) 22%,transparent);background:color-mix(in srgb,var(--card) 50%,transparent);backdrop-filter:blur(9px) saturate(1.25);-webkit-backdrop-filter:blur(9px) saturate(1.25);box-shadow:0 2px 12px rgba(0,0,0,.05),inset 0 1px 0 rgba(255,255,255,.35)} .btn-ghost:hover{border-color:color-mix(in srgb,var(--ink) 40%,transparent);background:color-mix(in srgb,var(--card) 70%,transparent);transform:translateY(-1px)}
.nav-toggle{display:none;background:none;border:1px solid var(--rule);border-radius:6px;width:40px;height:38px;cursor:pointer;flex-direction:column;gap:4px;align-items:center;justify-content:center}
.nav-toggle span{width:18px;height:1.5px;background:var(--ink)}

/* HERO générique */
.hero{padding:88px 0 56px;position:relative;overflow:hidden;background:radial-gradient(78% 68% at 92% -8%,color-mix(in srgb,var(--gold) 16%,transparent),transparent 60%)}
.hero h1{font-size:clamp(40px,6.2vw,74px);line-height:1.01;letter-spacing:-.035em;font-weight:800;margin:22px 0 0;text-wrap:balance;max-width:17ch}
.hero .u{position:relative;white-space:nowrap}
.hero .u svg{position:absolute;left:-1%;right:0;bottom:-.13em;width:102%;height:.32em;overflow:visible}
.hero .u path{fill:none;stroke:var(--ochre);stroke-width:6;stroke-linecap:round;stroke-dasharray:520;stroke-dashoffset:520;animation:draw 1.1s .35s ease forwards}
@keyframes draw{to{stroke-dashoffset:0}}
@media (prefers-reduced-motion:reduce){.hero .u path{animation:none;stroke-dashoffset:0}}
.hero .sub{margin-top:22px;font-size:18px;color:var(--muted);max-width:52ch}
.hero-cta{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}

/* bande légitimité */
.legit{border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);background:var(--accent-tint)}
.legit-inner{display:flex;flex-wrap:wrap;gap:8px 26px;padding:12px 0;font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--muted);text-transform:uppercase}
.legit-inner b{color:var(--ink);font-weight:600} .legit-inner .k{color:var(--accent)}

/* SECTION */
section.blk{padding:70px 0;border-bottom:1px solid var(--rule)}
.head{display:flex;justify-content:space-between;align-items:flex-start;gap:26px;flex-wrap:wrap;margin-bottom:32px}
.head h2{font-size:clamp(26px,3.5vw,40px);letter-spacing:-.028em;font-weight:800;line-height:1.06;max-width:18ch;margin-top:12px;text-wrap:balance}
/* Dek / standfirst latéral, encadré (jamais du texte gris fade) */
.head .lead{align-self:start;position:relative;background:var(--card);border:1px solid var(--rule);border-top:3px solid var(--accent);border-radius:3px 3px 14px 14px;padding:18px 22px;color:var(--ink);font-size:clamp(15px,1.7vw,16.5px);line-height:1.55;font-weight:500;max-width:36ch}
.head .lead::first-line{color:var(--accent-2)}

/* iBudgetAll : featured + maquette « cotée » (réutilisée) */
.feat{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.feat-list{list-style:none;margin:22px 0 28px;border-top:1px solid var(--rule)}
.feat-list li{display:flex;gap:14px;align-items:center;padding:12px 2px;border-bottom:1px solid var(--rule);font-size:15px}
.feat-list li::before{content:"";width:16px;height:2px;flex:none;background:var(--accent);border-radius:2px;opacity:.85}
.feat-list .fn{display:none}
.stores{display:flex;gap:12px;flex-wrap:wrap}
.store{display:inline-flex;align-items:center;gap:9px;border:1.5px solid var(--rule);border-radius:9px;padding:9px 15px;font-size:13px;font-weight:600}
.store:hover{border-color:var(--ink)} .store small{display:block;font-size:10px;color:var(--muted);font-weight:500} .store svg{width:18px;height:18px}
.specpanel{position:relative;background:var(--panel);border:1px solid var(--rule);border-radius:16px;padding:34px;display:grid;place-items:center;
  background-image:linear-gradient(var(--rule) 1px,transparent 1px),linear-gradient(90deg,var(--rule) 1px,transparent 1px);background-size:26px 26px;background-position:center}
.specpanel::before,.specpanel::after{content:"";position:absolute;width:12px;height:12px;border:1.5px solid var(--accent);opacity:.6}
.specpanel::before{top:10px;left:10px;border-right:0;border-bottom:0} .specpanel::after{bottom:10px;right:10px;border-left:0;border-top:0}
.dimtag{position:absolute;top:50%;right:10px;transform:translateY(-50%);font-family:var(--mono);font-size:10px;color:var(--muted);writing-mode:vertical-rl;letter-spacing:.1em}
/* mockup device détouré (fond transparent) : flotte sur le sable */
.device{display:grid;place-items:center;padding:8px 0}
.device-mock{width:100%;max-width:600px;height:auto;display:block;filter:drop-shadow(0 26px 44px rgba(0,0,0,.24))}
.phone{width:250px;background:#0e0e12;border:1px solid var(--rule);border-radius:34px;padding:9px;box-shadow:0 30px 60px -26px rgba(0,0,0,.5)}
.phone-screen{width:100%;display:block;border-radius:26px}
.ph-top{display:flex;align-items:center;gap:9px;padding:4px 4px 12px;border-bottom:1px solid var(--rule)}
.ph-logo{width:26px;height:26px;border-radius:7px;object-fit:cover;display:block;flex:none}
.ph-top b{font-size:13px} .ph-top span{font-size:11px;color:var(--muted);margin-left:auto;font-family:var(--mono)}
.ph-rem{padding:15px 4px 12px;border-bottom:1px solid var(--rule)}
.ph-rem small{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-family:var(--mono)}
.ph-rem .amt{font-size:25px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;margin-top:3px}
.env{padding:10px 4px;border-bottom:1px solid var(--rule)} .env:last-child{border-bottom:0}
.env-row{display:flex;justify-content:space-between;font-size:12.5px;margin-bottom:6px}
.env-row .v{font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--muted)}
.bar{height:5px;border-radius:3px;background:var(--rule);overflow:hidden} .bar>i{display:block;height:100%;border-radius:3px}

/* cartes génériques (grille de fonctionnalités / futurs projets) */
.cardgrid{display:grid;gap:16px}
.card{background:var(--card);border:1px solid var(--rule);border-radius:13px;padding:24px 22px;position:relative;overflow:hidden}
.card .cn{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.06em}
.card h3{font-size:17px;font-weight:700;margin:14px 0 8px;letter-spacing:-.01em} .card p{font-size:14px;color:var(--muted)}
.card h3::before{content:"";display:block;width:26px;height:2px;background:var(--accent);border-radius:2px;margin-bottom:12px;opacity:.8}
.card .cn + h3::before{display:none}
.card::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent);transition:width .2s} .card:hover::after{width:100%}
.card.soon{border-style:dashed;opacity:.9} .card.soon .cn{color:var(--ochre)}

/* placeholder visuel (image à fournir) */
.ph-img{border:1px dashed var(--rule);border-radius:14px;background:
  repeating-linear-gradient(135deg,transparent 0 10px,color-mix(in srgb,var(--ink) 3%,transparent) 10px 11px),var(--panel);
  display:grid;place-items:center;color:var(--muted);font-family:var(--mono);font-size:12px;text-align:center;padding:24px;min-height:220px;letter-spacing:.04em}

/* FOOTER */
footer{padding:52px 0 40px}
.foot{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.foot-col{max-width:260px}
.foot-col h4{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:12px}
.foot-col a{display:block;font-size:14px;color:var(--ink);padding:4px 0} .foot-col a:hover{color:var(--accent)}
.foot-bottom{margin-top:34px;border-top:1px solid var(--rule);padding-top:18px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.copy{font-family:var(--mono);font-size:12px;color:var(--muted)}

.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s,transform .5s} .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

@media (max-width:900px){
  .feat{grid-template-columns:1fr;gap:30px}
  .nav-links,.nav-actions .btn-primary{display:none}.nav-toggle{display:flex}
  .nav-links[data-open="true"]{display:flex;position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;background:var(--paper);border-bottom:1px solid var(--rule);padding:8px 28px 16px}
  .nav-links[data-open="true"] li{border-bottom:1px solid var(--rule)}.nav-links[data-open="true"] a{display:block;padding:14px 0}
}

/* i18n:lang-switch */
.lang-switch{position:relative;display:inline-block;margin-right:8px}
.lang-switch>summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--ink);border:1px solid var(--rule);border-radius:8px;padding:8px 10px;background:var(--card)}
.lang-switch>summary::-webkit-details-marker{display:none}
.lang-switch>summary::after{content:"";width:6px;height:6px;border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);transform:rotate(45deg);margin-top:-3px}
.lang-switch[open]>summary{border-color:var(--accent);color:var(--accent)}
.lang-menu{position:absolute;top:calc(100% + 6px);right:0;z-index:60;min-width:158px;background:var(--card);border:1px solid var(--rule);border-radius:10px;padding:6px;box-shadow:0 12px 34px rgba(0,0,0,.12);display:flex;flex-direction:column;gap:2px}
.lang-menu a{padding:8px 11px;border-radius:7px;font-size:14px;color:var(--ink);text-decoration:none;white-space:nowrap}
.lang-menu a:hover{background:var(--panel)}
.lang-menu a[aria-current="page"]{color:var(--accent);font-weight:700}
@media(max-width:820px){.lang-menu{right:auto;left:0}}