/* DIGI AI — socle : couleurs, typographie, boutons, cadres, en-tête, pied de page.
   Univers nuit unique : le bleu DIGI pour l'action, l'ambre pour la nuit et le « en direct ». */
:root{
  --bg:#040a14; --bg2:#07101e; --panel:rgba(12,24,44,.62); --panel-solid:#0b1628;
  --line:rgba(130,180,235,.14); --line2:rgba(130,180,235,.28);
  --ink:#e8f1fb; --dim:#93a6bf; --mute:#5d708a;
  --blue:#28a3e6; --blue-d:#1c7db3; --ice:#a6dcf8;
  --amber:#ffb547; --ok:#3ccf8e;
  --display:'Funnel Display',ui-sans-serif,system-ui,sans-serif;
  --body:'Funnel Sans',ui-sans-serif,system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,Consolas,monospace;
  --ease:cubic-bezier(.2,.8,.2,1);
  color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{background:var(--bg);scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 var(--body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--display);margin:0;letter-spacing:-.025em;text-wrap:balance}
p{margin:0}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
::selection{background:var(--blue-d);color:#fff}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}

.in{padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.wrap{max-width:1240px;margin:0 auto}
.sec{padding-block:110px}
@media (max-width:760px){.sec{padding-block:76px}}

.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:10px;font-weight:700;text-decoration:none}
.skip:focus{top:12px}

/* ---------- Logo ---------- */
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:800;font-size:1.3rem;letter-spacing:-.01em;color:inherit;text-decoration:none}
.brand svg{width:30px;height:30px;color:var(--line2);flex:none}
.brand .ai{color:var(--blue)}

/* ---------- Étiquettes ---------- */
.kick{font:500 .74rem var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--blue)}
.kick::before{content:"[ ";color:var(--mute)}
.kick::after{content:" ]";color:var(--mute)}
.pill{display:inline-flex;align-items:center;gap:10px;font:500 .72rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ice);
  padding:8px 14px;border-radius:999px;background:rgba(40,163,230,.08);border:1px solid rgba(40,163,230,.24)}
.live{width:7px;height:7px;border-radius:50%;background:var(--amber);flex:none;animation:live 2.2s ease-out infinite}
@keyframes live{0%{box-shadow:0 0 0 0 rgba(255,181,71,.6)}70%,100%{box-shadow:0 0 0 8px rgba(255,181,71,0)}}

.sec-h{font-size:clamp(2rem,4vw,3.2rem);line-height:1.06;font-weight:700;margin-top:16px;max-width:20ch}
.sec-h em,.hl{font-style:normal;color:var(--blue)}
.lead{margin-top:16px;color:var(--dim);max-width:60ch;font-size:1.06rem}

/* ---------- Boutons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:12px;font-weight:700;font-size:.95rem;border:1px solid transparent;white-space:nowrap;text-decoration:none;
  transition:transform .25s var(--ease),box-shadow .25s,background .25s,border-color .25s}
.btn .ar{transition:transform .25s}
.btn:hover .ar{transform:translateX(4px)}
.btn-p{background:var(--blue);color:#03121f}
.btn-p:hover{transform:translateY(-2px);background:var(--ice)}
.btn-g{background:rgba(255,255,255,.03);border-color:var(--line2);color:var(--ink)}
.btn-g:hover{border-color:var(--blue);transform:translateY(-2px)}
.btn.sm{padding:10px 16px;font-size:.88rem}
:root:not([data-fx="sobre"]) .btn-p{box-shadow:0 0 0 1px rgba(166,220,248,.35),0 14px 40px -12px rgba(40,163,230,.7)}

/* ---------- Cadre verre + coins HUD ---------- */
.frame{position:relative;border-radius:20px;background:var(--panel);border:1px solid var(--line2);
  backdrop-filter:blur(18px) saturate(1.2);-webkit-backdrop-filter:blur(18px) saturate(1.2);
  box-shadow:0 40px 90px -40px rgba(0,0,0,.9),inset 0 1px 0 rgba(255,255,255,.05);min-width:0}
.hud{position:absolute;width:16px;height:16px;border-color:var(--blue);border-style:solid;border-width:0;pointer-events:none;z-index:2}
.hud.tl{top:-1px;left:-1px;border-top-width:2px;border-left-width:2px;border-top-left-radius:20px}
.hud.tr{top:-1px;right:-1px;border-top-width:2px;border-right-width:2px;border-top-right-radius:20px}
.hud.bl{bottom:-1px;left:-1px;border-bottom-width:2px;border-left-width:2px;border-bottom-left-radius:20px}
.hud.br{bottom:-1px;right:-1px;border-bottom-width:2px;border-right-width:2px;border-bottom-right-radius:20px}
:root[data-fx="sobre"] .hud{display:none}
.scan{position:absolute;inset:0;pointer-events:none;z-index:1;border-radius:inherit;
  background:linear-gradient(180deg,transparent 0,rgba(40,163,230,.09) 48%,rgba(166,220,248,.16) 50%,transparent 52%);background-size:100% 240%;animation:scan 5.5s linear infinite}
@keyframes scan{from{background-position:0 120%}to{background-position:0 -120%}}
:root:not([data-fx="spectaculaire"]) .scan{display:none}

/* ---------- Séparateur animé ---------- */
.divider{display:flex;align-items:center;gap:14px;max-width:1240px;margin:0 auto;opacity:.9}
.divider .ln{flex:1;height:1px;background:linear-gradient(90deg,transparent,var(--line2));position:relative;overflow:hidden}
.divider .ln:last-child{background:linear-gradient(90deg,var(--line2),transparent)}
.divider .nd{width:9px;height:9px;transform:rotate(45deg);border:1px solid var(--blue);background:var(--bg)}
:root:not([data-fx="sobre"]) .divider .ln::after{content:"";position:absolute;top:0;width:18%;height:1px;background:linear-gradient(90deg,transparent,var(--ice),transparent);animation:pulse 4.5s linear infinite}
.divider .ln:last-child::after{animation-delay:-2.25s}
@keyframes pulse{from{left:-20%}to{left:110%}}

/* ---------- Titres tapés ---------- */
.tw{position:relative}
.tw-ghost{visibility:hidden}
.tw-live{position:absolute;inset:0}
.ca::after{content:"|";color:var(--blue);font-weight:300;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* ---------- Apparition au défilement ---------- */
.js .rv{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .rv.seen{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}

/* ---------- En-tête ---------- */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:41;background:var(--bg)}
.hdr{position:sticky;top:env(safe-area-inset-top,0px);z-index:40;border-bottom:1px solid transparent;transition:background .3s,border-color .3s,backdrop-filter .3s}
.hdr .wrap{display:flex;align-items:center;gap:28px;height:76px;transition:height .3s var(--ease)}
.hdr.stuck{background:rgba(4,10,20,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
.hdr.stuck .wrap{height:62px}
.nav{display:flex;gap:26px;margin-left:auto;font-size:.92rem;color:var(--dim)}
.nav a{text-decoration:none;transition:color .2s}
.nav a:hover{color:var(--ink)}
@media (max-width:1180px){.nav{gap:18px;font-size:.86rem}}
@media (max-width:1060px){.nav{display:none}.hdr .btn{margin-left:auto}}
/* Sélecteur de langue FR / EN */
.lang{display:flex;flex:none;padding:3px;border:1px solid var(--line2);border-radius:999px;font:500 .72rem var(--mono);letter-spacing:.08em}
.lang a{padding:5px 9px;border-radius:999px;color:var(--dim);text-decoration:none;transition:color .2s,background .2s}
.lang a:hover{color:var(--ink)}
.lang a[aria-current]{background:var(--blue-d);color:#fff}
@media (max-width:1060px){.lang{margin-left:auto}.hdr .lang + .btn{margin-left:0}}
@media (max-width:480px){.hdr .wrap{gap:10px}.hdr .btn.sm{padding:9px 12px;font-size:.8rem}.lang a{padding:5px 7px}}
.js .hdr{animation:navin .7s var(--ease) both}
@keyframes navin{from{transform:translateY(-100%);opacity:0}}

/* ---------- Pied de page ---------- */
.ftr{border-top:1px solid var(--line);padding-block:72px 100px;background:linear-gradient(180deg,var(--bg),#030812)}
.ftr-top{display:grid;grid-template-columns:minmax(0,1.3fr) repeat(4,minmax(0,1fr));gap:40px}
@media (max-width:980px){.ftr-top{grid-template-columns:repeat(2,minmax(0,1fr))}.ftr-about{grid-column:1/-1}}
.ftr-about{display:grid;gap:16px;align-content:start}
.ftr-about p{color:var(--dim);font-size:.95rem;max-width:36ch}
.status{display:inline-flex;align-items:center;gap:10px;font:500 .72rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--dim)}
.status .live{background:var(--ok);animation-name:liveok}
@keyframes liveok{0%{box-shadow:0 0 0 0 rgba(60,207,142,.6)}70%,100%{box-shadow:0 0 0 8px rgba(60,207,142,0)}}
.ftr h4{font:500 .7rem var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--mute);margin-bottom:16px}
.ftr ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.ftr ul a{color:var(--dim);text-decoration:none;font-size:.93rem;transition:color .2s}
.ftr ul a:hover{color:var(--ink)}
.ftr-bot{margin-top:56px;padding-top:24px;border-top:1px solid var(--line);display:flex;gap:12px 24px;flex-wrap:wrap;justify-content:space-between;font-size:.85rem;color:var(--mute)}
.ftr-bot nav{display:flex;gap:20px}
.ftr-bot a{text-decoration:none}
.ftr-bot a:hover{color:var(--ink)}

/* ---------- Boutons flottants ---------- */
.float{position:fixed;z-index:35;left:max(16px,env(safe-area-inset-left,0px));bottom:calc(16px + env(safe-area-inset-bottom,0px));display:flex;gap:10px}
.fab{width:50px;height:50px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line2);background:rgba(7,16,30,.9);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  color:var(--ink);transition:transform .25s var(--ease),opacity .3s,border-color .2s}
.fab:hover{transform:translateY(-3px);border-color:var(--blue)}
.fab svg{width:22px;height:22px}
.fab.wa{background:#1fa855;border-color:#1fa855;color:#fff}
.fab.top{opacity:0;pointer-events:none;transform:translateY(10px)}
.fab.top.show{opacity:1;pointer-events:auto;transform:none}

/* ---------- Réglage des effets (outil de maquette) ---------- */

/* ---------- Toast (maquette) ---------- */
.toast{position:fixed;left:50%;bottom:calc(84px + env(safe-area-inset-bottom,0px));transform:translate(-50%,20px);z-index:50;opacity:0;pointer-events:none;
  background:var(--ink);color:var(--bg);font-weight:600;font-size:.9rem;padding:12px 18px;border-radius:12px;transition:opacity .3s,transform .3s var(--ease);max-width:calc(100vw - 32px);text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .js .rv{opacity:1;transform:none}
}