/* AkorIT — « Circuit vivant »
   Mise en page : une colonne de texte à gauche, le circuit 3D à droite ; le défilement fait avancer le signal orange. */
:root{
  color-scheme:dark;
  --ink:#05042a;        /* fond indigo, extrémité sombre du dégradé du logo */
  --ink-soft:#0d0b4a;
  --panel:rgba(13,11,74,.78);
  --trace:#3d50ff;      /* bleu électrique du logo */
  --trace-pale:#aab4ff;
  --signal:#ff6a2b;     /* orange du logo */
  --signal-hover:#ff8450;
  --signal-ink:#1c0a00;
  --paper:#eef0ff;
  --muted:#b4b9e8;
  --line:rgba(170,180,255,.22);
  --ok:#7ee0a8;
  --err:#ff9d8a;
  --display:"Unbounded","Trebuchet MS",system-ui,sans-serif;
  --body:"Onest","Segoe UI",system-ui,sans-serif;
  --gutter:clamp(16px,5vw,76px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:5.5rem}
body{margin:0;background:var(--ink);color:var(--paper);font:400 1.0625rem/1.6 var(--body);overflow-x:hidden}
img{max-width:100%;height:auto}
a{color:var(--trace-pale)}
a:hover{color:var(--paper)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:4px}
[hidden]{display:none!important}
.skip{position:absolute;left:-999px}
.skip:focus{left:var(--gutter);top:.5rem;z-index:20;background:var(--paper);color:var(--ink);padding:.5rem .8rem;border-radius:6px}

/* ---------- Scène ---------- */
#scene{position:fixed;inset:0;width:100%;height:100%;display:block;z-index:0}
.veil{position:fixed;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(60% 55% at 78% 45%,rgba(61,80,255,.28),transparent 70%),
    linear-gradient(90deg,var(--ink) 0%,rgba(5,4,42,.86) 34%,rgba(5,4,42,0) 68%)}
.gl .veil{background:linear-gradient(90deg,var(--ink) 0%,rgba(5,4,42,.86) 34%,rgba(5,4,42,0) 68%)}

/* ---------- En-tête ---------- */
.top{position:fixed;inset:0 0 auto 0;z-index:10;display:flex;align-items:center;gap:1.4rem;
  padding:.7rem var(--gutter);background:rgba(5,4,42,.8);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:.65rem;color:var(--paper);text-decoration:none;font:500 1.15rem/1 var(--display);letter-spacing:.01em}
.brand img{width:2.4rem;height:2.4rem}
.top nav{margin-left:auto;display:flex;gap:1.35rem;align-items:center}
.top nav a{color:var(--muted);text-decoration:none;font-size:.94rem}
.top nav a:hover,.top nav a[aria-current="page"]{color:var(--paper)}
.top nav a[aria-current="page"]{box-shadow:0 2px 0 var(--signal)}
.menu-toggle{display:none;margin-left:auto;background:none;border:1.5px solid var(--line);color:var(--paper);
  border-radius:999px;padding:.55rem 1rem;font:500 .9rem/1 var(--body);cursor:pointer}

.btn{display:inline-block;padding:.85rem 1.4rem;border-radius:999px;text-decoration:none;cursor:pointer;
  font:600 .98rem/1.1 var(--body);border:1.5px solid transparent}
.btn-signal{background:var(--signal);color:var(--signal-ink)}
.btn-signal:hover{background:var(--signal-hover);color:var(--signal-ink)}
.btn-line{border-color:var(--trace-pale);color:var(--paper);background:transparent}
.btn-line:hover{background:rgba(170,180,255,.14);color:var(--paper)}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.top .btn{padding:.65rem 1.1rem;font-size:.9rem}

/* ---------- Structure des pages ---------- */
main{position:relative;z-index:2;padding-inline:var(--gutter)}
.stage{min-height:100svh;display:flex;flex-direction:column;justify-content:center;gap:1.5rem;padding-block:6rem 4rem;max-width:39rem}
.stage.wide{max-width:50rem}
.stage.head{min-height:46svh;justify-content:flex-end;padding-block:8rem 2.5rem}
.stage.flow{min-height:0;justify-content:flex-start;padding-block:2rem 5rem}
h1,h2,h3{font-family:var(--display);font-weight:500;text-wrap:balance;margin:0;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,5.4vw,4.3rem);line-height:1.04}
.head h1{font-size:clamp(1.9rem,4.4vw,3.4rem)}
h2{font-size:clamp(1.55rem,3.1vw,2.5rem);line-height:1.12}
h3{font-size:1.02rem;line-height:1.3}
p{margin:0;max-width:34rem}
.lead{font-size:1.2rem}
.soft{color:var(--muted)}
.actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:.5rem}
.more{font-weight:600;text-underline-offset:.25em}

/* Les listes ont pour puce une pastille de soudure : l'anneau qui termine chaque piste du circuit. */
.pads{list-style:none;margin:0;padding:0;display:grid;gap:1.25rem}
.pads>li{display:grid;grid-template-columns:1.1rem 1fr;column-gap:.9rem;align-items:start;min-width:0}
.pads>li::before{content:"";width:.8rem;height:.8rem;margin-top:.42rem;border-radius:50%;border:2.5px solid var(--trace)}
.pads>li:nth-child(3n+2)::before{border-color:var(--signal)}
.pads a{color:var(--paper);text-decoration:none}
.pads a:hover{text-decoration:underline;text-underline-offset:.25em}
.pads strong{display:block;font:500 1.02rem/1.3 var(--display)}
.pads span{display:block;color:var(--muted);font-size:.98rem}
.steps{margin:0;padding-left:1.3rem;display:grid;gap:.5rem;color:var(--muted)}
.steps li::marker{color:var(--signal);font-family:var(--display);font-size:.9rem}

/* ---------- Cartes (réalisations, solutions, articles, tarifs) ---------- */
.cards{list-style:none;margin:0;padding:0;display:grid;gap:1.25rem;grid-template-columns:repeat(auto-fill,minmax(min(100%,19rem),1fr))}
.card{display:flex;flex-direction:column;gap:.7rem;min-width:0;padding:.9rem;border:1px solid var(--line);border-radius:14px;background:var(--panel)}
.card .shot{display:block;aspect-ratio:16/10;border-radius:8px;overflow:hidden;background:var(--ink-soft)}
.card .shot img{width:100%;height:100%;object-fit:cover;display:block}
.card.logo .shot{background:#fff;padding:.8rem}
.card.logo .shot img{object-fit:contain}
.card h3 a{color:var(--paper);text-decoration:none}
.card h3 a:hover{text-decoration:underline;text-underline-offset:.25em}
.card p{color:var(--muted);font-size:.95rem}
.card .more{margin-top:auto;font-size:.92rem}
.price{font:500 1.35rem/1.2 var(--display);color:var(--signal)}
.empty{padding:1.2rem 1.4rem;border:1px dashed var(--line);border-radius:14px;background:var(--panel);display:grid;gap:.6rem}

/* ---------- Texte riche venant de l'admin ---------- */
.sheet{padding:clamp(1.1rem,3vw,2rem);border:1px solid var(--line);border-radius:16px;background:var(--panel);display:grid;gap:1.2rem;min-width:0}
.sheet>.shot{border-radius:10px;overflow:hidden}
.sheet>.shot img{display:block;width:100%}
.prose{display:grid;gap:1rem;min-width:0;overflow-wrap:anywhere}
.prose *{color:inherit!important;background:transparent!important;font-family:inherit!important;max-width:100%}
.prose a{color:var(--trace-pale)!important}
.prose h1,.prose h2,.prose h3,.prose h4{font:500 1.15rem/1.3 var(--display)!important;margin-top:.6rem}
.prose p{max-width:none;margin:0}
.prose ul,.prose ol{margin:0;padding-left:1.3rem;display:grid;gap:.4rem}
.prose img{border-radius:8px;height:auto}
.prose table{display:block;overflow-x:auto;border-collapse:collapse}
.prose td,.prose th{border:1px solid var(--line);padding:.4rem .6rem}
.gallery{display:grid;gap:.8rem;grid-template-columns:repeat(auto-fill,minmax(9rem,1fr))}
.gallery img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:8px;display:block}

/* ---------- Formulaires ---------- */
.form{display:grid;gap:1rem;max-width:34rem}
.field{display:grid;gap:.35rem}
.field label{font-size:.9rem;color:var(--muted)}
.field input,.field select,.field textarea{width:100%;font:inherit;color:var(--paper);background:rgba(5,4,42,.75);
  border:1.5px solid var(--line);border-radius:10px;padding:.8rem .9rem}
.field textarea{min-height:8rem;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#8088c4}
.field .hint{font-size:.85rem;color:var(--err)}
.notice{padding:.9rem 1.1rem;border-radius:12px;border:1px solid var(--line);background:var(--panel);max-width:34rem}
.notice.ok{border-color:var(--ok);color:var(--ok)}
.notice.err{border-color:var(--err);color:var(--err)}
.notice ul{margin:.3rem 0 0;padding-left:1.2rem}
.coords{display:grid;gap:.9rem;margin:0}
.coords div{display:grid;grid-template-columns:6.5rem 1fr;gap:1rem}
.coords dt{color:var(--muted)}
.coords dd{margin:0;font-weight:500;overflow-wrap:anywhere}
.coords a{color:var(--paper)}
.map{width:100%;aspect-ratio:16/10;border:1px solid var(--line);border-radius:14px}

/* ---------- Simulateur ---------- */
.sim{display:grid;gap:1.4rem;padding:clamp(1.1rem,3vw,2rem);border:1px solid var(--line);border-radius:16px;background:var(--panel);min-width:0}
.sim-step{display:grid;gap:1.4rem;min-width:0}
.sim-progress{display:flex;justify-content:space-between;font-size:.85rem;color:var(--muted)}
.sim-bar{height:6px;border-radius:99px;background:rgba(170,180,255,.18);overflow:hidden}
.sim-bar div{height:100%;background:var(--signal);transition:width .4s}
.sim-row{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}
.options{display:grid;gap:.7rem;grid-template-columns:repeat(auto-fill,minmax(11rem,1fr))}
.option{display:flex;justify-content:space-between;gap:1rem;align-items:center;text-align:left;width:100%;cursor:pointer;
  font:inherit;color:var(--paper);background:rgba(5,4,42,.6);border:1.5px solid var(--line);border-radius:12px;padding:.85rem 1rem}
.option:hover{border-color:var(--trace-pale)}
.option.active{border-color:var(--signal);background:rgba(255,106,43,.12)}
.option small{display:block;color:var(--muted);font-size:.82rem}
.option .plus{color:var(--signal);font-weight:600;white-space:nowrap;font-variant-numeric:tabular-nums}
.options.list{grid-template-columns:1fr}
.linkish{background:none;border:0;color:var(--trace-pale);font:inherit;cursor:pointer;text-decoration:underline;text-underline-offset:.25em;padding:0}
.sim-total{display:flex;justify-content:space-between;align-items:flex-end;gap:1rem;flex-wrap:wrap;padding-top:1rem;border-top:1px solid var(--line)}
.sim-total strong{font:500 1.6rem/1.1 var(--display);color:var(--signal);font-variant-numeric:tabular-nums}
.sim-total small{display:block;color:var(--muted)}
.two{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(12rem,1fr))}

/* ---------- Pagination ---------- */
.pager{display:flex;flex-wrap:wrap;gap:.4rem;list-style:none;margin:0;padding:0;align-items:center}
.pager a,.pager span{display:inline-block;min-width:2.4rem;text-align:center;padding:.45rem .7rem;border-radius:999px;
  border:1.5px solid var(--line);color:var(--paper);text-decoration:none;font-size:.92rem;font-variant-numeric:tabular-nums}
.pager a:hover{border-color:var(--trace-pale)}
.pager [aria-current]{background:var(--signal);border-color:var(--signal);color:var(--signal-ink);font-weight:600}
.pager .off{opacity:.4}

/* ---------- Pied de page ---------- */
.foot{position:relative;z-index:2;padding:2.5rem var(--gutter);color:var(--muted);font-size:.93rem;
  border-top:1px solid var(--line);background:rgba(5,4,42,.86);display:grid;gap:2rem}
.foot-cols{display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr))}
.foot h2{font:500 .95rem/1.3 var(--display);color:var(--paper);margin-bottom:.7rem}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:.35rem}
.foot a{color:var(--muted)}
.foot a:hover{color:var(--paper)}
.foot p{max-width:24rem}
.foot .legal{display:flex;flex-wrap:wrap;gap:.6rem 1.5rem;justify-content:space-between;border-top:1px solid var(--line);padding-top:1.2rem}
.lang{display:flex;gap:.8rem}
.wha{position:fixed;right:1rem;bottom:1rem;z-index:9;display:block;width:3.2rem;height:3.2rem;border-radius:50%}
.wha img{width:100%;height:100%;display:block}

@media (max-width:1080px){
  .menu-toggle{display:inline-block}
  .top nav{display:none;position:absolute;top:100%;left:var(--gutter);right:var(--gutter);flex-direction:column;align-items:flex-start;
    gap:.2rem;padding:1rem;border:1px solid var(--line);border-radius:14px;background:rgba(5,4,42,.97)}
  .top.open nav{display:flex}
  .top nav a{padding:.5rem .2rem;font-size:1rem;width:100%}
  .top>.btn{display:none}
  .top.open nav .btn{display:inline-block;margin-top:.5rem;width:auto}
}
@media (min-width:1081px){.top nav .btn{display:none}}
@media (max-width:820px){
  .veil,.gl .veil{background:linear-gradient(180deg,rgba(5,4,42,.74),rgba(5,4,42,.62))}
  .stage{padding-block:5.5rem 3rem}
  .stage.head{min-height:40svh;padding-block:7rem 2rem}
  .coords div{grid-template-columns:1fr;gap:.1rem}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.sim-bar div{transition:none}}