:root{
  --ink:#080b0f; --ink2:#0d1218; --ink3:#121924;
  --line:#1d242c; --line2:#28323d;
  --bone:#e9e6dc; --paper:#efede4;
  --mut:#8a94a0; --mut2:#5d6672;
  --acid:#315fff; --acid-d:#1e48e0; --signal:#ff5a47;
  --disp:'Syne',sans-serif; --body:'Instrument Sans',sans-serif; --mono:'JetBrains Mono',monospace;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--ink);color:var(--bone);font-family:var(--body);font-size:16px;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
::selection{background:var(--acid);color:#fff}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--acid);outline-offset:3px}
section{scroll-margin-top:92px;position:relative;z-index:1;isolation:isolate;overflow-x:clip}
.wrap{max-width:1240px;margin:0 auto;padding:0 clamp(20px,4vw,48px);min-width:0}
.mono{font-family:var(--mono)}
.idx{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--acid);text-transform:uppercase}
.light .idx{color:var(--acid-d)}
.muted{color:var(--mut)}
.light .muted{color:#6d675a}
.skip{position:absolute;left:16px;top:-60px;z-index:300;background:var(--acid);color:#fff;padding:10px 14px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;transition:top .2s}
.skip:focus{top:16px}
.ai-sum{border-block:1px solid var(--line);background:var(--ink2);padding:32px 0;position:relative;z-index:2}
.ai-sum .grid{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(4,minmax(0,1fr));gap:clamp(16px,2vw,28px);align-items:start}
.ai-sum h2{font-family:var(--disp);font-weight:800;font-size:clamp(1.15rem,2vw,1.45rem);text-transform:uppercase;letter-spacing:.02em;margin:8px 0 10px;line-height:1.15}
.ai-sum p{color:var(--mut);font-size:14.5px;max-width:52ch;line-height:1.55}
.ai-sum dl{margin:0;min-width:0}
.ai-sum dt{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--mut2);margin-bottom:6px}
.ai-sum dd{font-size:14px;color:var(--bone);margin:0;line-height:1.45}
.ai-sum .src{margin-top:18px;font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;color:var(--mut2)}
.qa h3{margin:0;font:inherit}
.qa h3 button{width:100%;background:none;border:0;color:var(--bone);display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 6px;text-align:left;font-family:var(--disp);font-weight:700;font-size:clamp(1rem,1.6vw,1.2rem);text-transform:uppercase;letter-spacing:.02em;transition:color .3s}
.vis-cap{position:absolute;left:16px;bottom:16px;z-index:2;font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--acid);background:rgba(8,11,15,.72);padding:6px 10px;border:1px solid var(--line2)}

/* ── noise + progress ─────────────────────────── */
.noise{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:1;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:none}
#prog{position:fixed;top:0;left:0;height:2px;width:100%;background:var(--acid);transform-origin:0 50%;transform:scaleX(0);z-index:120}

/* ── boot overlay ─────────────────────────────── */
#boot{position:fixed;inset:0;background:var(--ink);z-index:200;display:flex;align-items:center;justify-content:center;transition:transform .6s var(--ease)}
#boot.done{transform:translateY(-101%)}
#boot .bl{font-family:var(--mono);font-size:13px;color:var(--acid);width:min(420px,86vw)}
#boot .bl div{opacity:0;animation:blin .05s forwards}
#boot .bl div:nth-child(2){animation-delay:.18s}#boot .bl div:nth-child(3){animation-delay:.36s}#boot .bl div:nth-child(4){animation-delay:.54s}
@keyframes blin{to{opacity:1}}

/* ── header ───────────────────────────────────── */
header{position:fixed;top:0;left:0;right:0;z-index:100;border-bottom:1px solid transparent;transition:background .4s,border-color .4s;background:transparent;padding-top:env(safe-area-inset-top)}
header.sc{background:rgba(8,11,15,.94);backdrop-filter:blur(14px);border-color:var(--line)}
.hbar{display:flex;align-items:center;justify-content:space-between;gap:12px;height:72px}
.brand{font-family:var(--mono);font-weight:700;font-size:13px;letter-spacing:.12em;display:flex;align-items:center;gap:10px;flex-shrink:0;min-width:0}
.brand em{font-style:normal;color:var(--acid)}
.caret{display:inline-block;width:8px;height:15px;background:var(--acid);animation:blink 1.1s steps(1) infinite;flex-shrink:0}
@keyframes blink{50%{opacity:0}}
.hlinks{display:flex;gap:clamp(14px,2vw,24px);font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase}
.hlinks a{color:var(--mut);transition:color .25s;position:relative;white-space:nowrap;min-height:44px;display:inline-flex;align-items:center}
.hlinks a:hover{color:var(--acid)}
.hlinks a::before{content:'/ ';color:var(--line2)}
.hactions{display:flex;align-items:center;gap:10px;flex-shrink:0}
#cd{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;color:var(--mut);border:1px solid var(--line);padding:7px 10px;white-space:nowrap}
#cd b{color:var(--acid);font-weight:500}
.nav-toggle{display:none;width:44px;height:44px;padding:0;border:1px solid var(--line2);background:transparent;align-items:center;justify-content:center;flex-direction:column;gap:5px;flex-shrink:0}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--bone);transition:transform .35s var(--ease),opacity .25s}
header.nav-open .nav-toggle span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
header.nav-open .nav-toggle span:nth-child(2){opacity:0}
header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
body.nav-lock{overflow:hidden}

/* ── buttons ──────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:12px;font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;padding:16px 24px;background:var(--acid);color:#fff;border:1px solid var(--acid);position:relative;overflow:hidden;transition:color .35s}
.btn::before{content:'';position:absolute;inset:0;background:var(--bone);transform:translateY(101%);transition:transform .45s var(--ease);z-index:0}
.btn span{position:relative;z-index:1}
.btn:hover{color:var(--ink)}
.btn:hover::before{transform:translateY(0)}
.btn .ar{transition:transform .35s var(--ease);position:relative;z-index:1}
.btn:hover .ar{transform:translateX(5px)}
.btn.ghost{background:transparent;color:var(--bone);border-color:var(--line2)}
.btn.ghost::before{background:var(--acid)}
.btn.ghost:hover{color:#fff;border-color:var(--acid)}
.btn.dark{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn.dark::before{background:var(--acid-d)}
.btn.dark:hover{color:#fff}

/* ── hero ─────────────────────────────────────── */
main{position:relative;z-index:2;isolation:isolate}
.hero{padding:120px 0 56px;position:relative;overflow:hidden;background:var(--ink);z-index:2}
.hero::before{content:'';position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:calc(100%/6) 100%;pointer-events:none}
.hero::after{content:'';position:absolute;top:-18%;right:-12%;width:55%;height:65%;background:radial-gradient(closest-side,rgba(49,95,255,.08),transparent 70%);pointer-events:none}
.hgrid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(24px,4vw,56px);align-items:center;position:relative;z-index:1}
.eyebrow{display:flex;align-items:center;gap:12px;font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--acid)}
.eyebrow::before{content:'';width:28px;height:1px;background:var(--acid);flex-shrink:0}
h1{font-family:var(--disp);font-weight:800;font-size:clamp(2.35rem,5.2vw,4.6rem);line-height:1.02;letter-spacing:-.02em;text-transform:uppercase;margin:20px 0 18px}
h1 .scr{display:block}
h1 .ac{color:var(--acid)}
.hero .sub{font-size:clamp(15px,1.4vw,17px);color:var(--mut);max-width:48ch;line-height:1.55}
.hmeta{display:flex;gap:0;margin-top:28px;border:1px solid var(--line);font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;flex-wrap:wrap}
.hmeta div{padding:12px 16px;border-right:1px solid var(--line);color:var(--mut);flex:1 1 auto;min-width:140px}
.hmeta div:last-child{border-right:0}
.hmeta div b{display:block;color:var(--bone);font-weight:500;margin-top:4px;line-height:1.3}
.hmeta div b i{font-style:normal;color:var(--acid)}
.hcta{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}

/* terminal */
.term{background:var(--ink2);border:1px solid var(--line2);position:relative;box-shadow:0 28px 60px -36px rgba(0,0,0,.75);min-width:0}
.term .tl-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;color:var(--mut2)}
.term .dots{display:flex;gap:5px;margin-right:8px}
.term .dots i{width:8px;height:8px;border-radius:50%;background:var(--line2)}
.term .dots i:first-child{background:var(--signal)}
.term .live{margin-left:auto;color:var(--acid)}
.term .live::before{content:'●';animation:blink 1.4s steps(1) infinite;margin-right:6px}
.term .body{padding:18px 16px;height:min(280px,36vh);font-family:var(--mono);font-size:12.5px;line-height:1.85;overflow:hidden}
.tl{white-space:pre-wrap;word-break:break-word}
.tl.cmd{color:var(--bone)}
.tl.cmd .p{color:var(--acid)}
.tl.dim{color:var(--mut2)}
.tl.ok{color:var(--acid)}
#tcaret{display:inline-block;width:7px;height:13px;background:var(--acid);vertical-align:-2px;animation:blink 1s steps(1) infinite}
.tprog{height:6px;border:1px solid var(--line2);margin:6px 0}
.tprog i{display:block;height:100%;background:var(--acid);width:0}

/* stats ledger — own band, never inside hero */
.ledger-band{background:var(--ink);border-top:1px solid var(--line);position:relative;z-index:2;padding:0 0 36px}
.ledger{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border:1px solid var(--line);border-left:0;border-right:0;margin:0}
.ledger>div{padding:24px 20px;border-right:1px solid var(--line);position:relative;transition:background .3s;min-width:0}
.ledger>div:hover{background:rgba(49,95,255,.04)}
.ledger>div:last-child{border-right:0}
.ledger b{font-family:var(--disp);font-weight:800;font-size:clamp(1.6rem,2.6vw,2.3rem);color:var(--bone);display:flex;align-items:baseline;gap:4px;line-height:1}
.ledger b i{font-style:normal;color:var(--acid);font-size:.55em}
.ledger span{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--mut2);display:block;margin-top:8px;line-height:1.35}
.ledger-note{margin-top:14px;font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;color:var(--mut2)}

/* ── marquee ──────────────────────────────────── */
.mq{overflow:hidden;background:var(--acid);color:#fff;border-block:1px solid var(--ink)}
.mq-track{display:flex;width:max-content;animation:mq 26s linear infinite}
.mq-track span{font-family:var(--disp);font-weight:800;text-transform:uppercase;font-size:15px;letter-spacing:.14em;padding:14px 0;white-space:nowrap}
.mq-track em{font-style:normal;padding:0 22px;opacity:.5}
@keyframes mq{to{transform:translateX(-50%)}}

/* ── sections common ──────────────────────────── */
.dark,.alt,.light{isolation:isolate;position:relative;z-index:1}
.dark{padding:clamp(72px,10vw,110px) 0;background:var(--ink)}
.alt{padding:clamp(72px,10vw,110px) 0;background:var(--ink2)}
.light{padding:clamp(72px,10vw,110px) 0;background:var(--paper);color:#14171c}
.shead{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:56px;flex-wrap:wrap}
.shead h2{font-family:var(--disp);font-weight:800;font-size:clamp(2rem,4.4vw,3.4rem);line-height:1.05;text-transform:uppercase;letter-spacing:-.01em;margin-top:14px;max-width:18ch}
.shead .note{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--mut2);max-width:280px;text-transform:uppercase;line-height:1.9}
.light .shead .note{color:#8a8371}
/* Titles readable by default; motion only when revealed */
.lm{overflow:hidden}
.lm>span{display:block;transform:none}
@media(prefers-reduced-motion:no-preference){
  [data-rev]:not(.in) .lm>span{transform:translateY(110%)}
  .in .lm>span{transform:none;transition:transform 1s var(--ease)}
}
[data-rev]{opacity:0;transform:translateY(20px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-rev].in{opacity:1;transform:none}

/* ── avant/après table ────────────────────────── */
.cmp{border:1px solid var(--line)}
.cmp-row{display:grid;grid-template-columns:60px 1fr 1fr;border-top:1px solid var(--line)}
.cmp-row:first-child{border-top:0}
.cmp-row.head span{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--mut2);padding:16px 22px}
.cmp-row.head span:nth-child(3){color:var(--acid)}
.cmp-row .n{font-family:var(--mono);font-size:11px;color:var(--mut2);padding:24px 22px;border-right:1px solid var(--line)}
.cmp-row .cell{padding:24px 26px;border-right:1px solid var(--line)}
.cmp-row .cell:last-child{border-right:0}
.cmp-row .cell b{display:block;font-family:var(--disp);font-size:15px;text-transform:uppercase;letter-spacing:.03em;margin-bottom:6px}
.cmp-row .cell:first-of-type{color:var(--mut)}
.cmp-row .cell:first-of-type b{color:#a05a52}
.cmp-row .cell:last-of-type b{color:var(--acid)}
.cmp-row .cell p{font-size:14.5px}
.cmp-row{transition:background .3s}
.cmp-row:not(.head):hover{background:rgba(49,95,255,.035)}

/* ── programme (single-column flow — no sticky sidebar overlap) ─ */
#programme .prog-head[data-rev]:not(.in){opacity:0;transform:none}
#programme .prog-head[data-rev].in{opacity:1;transform:none;transition:opacity .7s var(--ease)}
.prog-head{margin-bottom:28px;max-width:56ch}
.prog-head h2{font-family:var(--disp);font-weight:800;font-size:clamp(2.2rem,3.6vw,3.2rem);text-transform:uppercase;line-height:1.05;margin:16px 0 18px;max-width:14ch}
.prog-head h2 i{font-style:normal;color:var(--acid)}
.prog-head p{color:var(--mut);font-size:15px;max-width:42ch;line-height:1.55}
.prog-days{display:flex;flex-direction:column;gap:20px;position:relative;z-index:1}
.dnav--programme{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 32px;border:0}
.dnav--programme a{display:inline-flex;gap:10px;align-items:center;min-height:44px;padding:12px 14px;border:1px solid var(--line);font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut2);transition:color .25s,border-color .25s,background .25s;white-space:nowrap}
.dnav--programme a b{font-weight:500;color:inherit}
.dnav--programme a:hover,.dnav--programme a.on{color:var(--acid);border-color:var(--acid);background:rgba(49,95,255,.06)}
.dnav--programme a.on::before{content:'▸ ';margin-right:2px}
.dnav{margin-top:28px;border-top:1px solid var(--line)}
.dnav a{display:flex;gap:12px;align-items:baseline;padding:12px 6px;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--mut2);transition:color .25s,padding-left .25s,background .25s}
.dnav a b{font-weight:500;color:inherit;white-space:nowrap}
.dnav a.on{color:var(--acid);padding-left:12px;background:rgba(49,95,255,.04)}
.dnav a.on::before{content:'▸ ';margin-right:2px}
.day-block{border:1px solid var(--line);background:var(--ink);scroll-margin-top:100px;position:relative;z-index:1;overflow:hidden}
.day-head{display:flex;align-items:center;gap:16px;padding:20px 24px;border-bottom:1px solid var(--line);flex-wrap:wrap;background:var(--ink2)}
.day-num{font-family:var(--disp);font-weight:800;font-size:40px;color:var(--acid);line-height:1;min-width:1.2em}
.day-head h3{font-family:var(--disp);font-weight:700;font-size:clamp(1.15rem,1.8vw,1.45rem);text-transform:uppercase;flex:1;min-width:180px;line-height:1.15;margin:0}
.day-tag{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--mut2);border:1px solid var(--line2);padding:6px 10px;text-transform:uppercase;white-space:nowrap}
.mods{display:grid;grid-template-columns:1fr 1fr}
.mod{padding:20px 24px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);transition:background .3s;min-height:108px}
.mod:nth-child(2n){border-right:0}
.mod:nth-last-child(-n+2){border-bottom:0}
.mod:hover{background:rgba(49,95,255,.04)}
.mod .mn{font-family:var(--mono);font-size:10px;color:var(--acid);letter-spacing:.16em;display:block;margin-bottom:8px}
.mod b{font-weight:600;font-size:14.5px;display:block;line-height:1.35;color:var(--bone)}
.mod p{font-size:13.5px;color:var(--mut);margin-top:6px;line-height:1.5;max-width:36ch}
.day-out{display:flex;gap:12px;align-items:flex-start;padding:16px 24px;font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--mut);background:rgba(49,95,255,.05);line-height:1.5;border-top:1px solid var(--line)}
.day-out i{font-style:normal;color:var(--acid);font-weight:700;letter-spacing:.14em;flex-shrink:0}

/* ── méthode (2-col, no sticky — évite chevauchement scroll) ─ */
.meth{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:clamp(28px,4vw,56px);align-items:start}
.meth-side{position:static;z-index:1;align-self:start;background:transparent;padding-bottom:8px}
.meth-side h2{font-family:var(--disp);font-weight:800;font-size:clamp(2rem,3.6vw,3rem);text-transform:uppercase;line-height:1.05;margin:14px 0 18px}
.meth-side h2 i{font-style:normal;color:var(--acid)}
.meth-side p{color:var(--mut);font-size:15.5px;max-width:40ch;line-height:1.55}
.ratio{margin-top:30px}
.ratio .bar{display:flex;height:10px;border:1px solid var(--line2)}
.ratio .bar i{background:var(--acid)}
.ratio .bar i+i{background:var(--line2)}
.ratio .lab{display:flex;justify-content:space-between;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--mut2);margin-top:10px;text-transform:uppercase}
.meth-img{margin-top:34px;border:1px solid var(--line2);overflow:hidden;aspect-ratio:16/10}
.steps{position:relative;z-index:1}
.steps .step{display:grid;grid-template-columns:72px minmax(0,1fr) auto;gap:18px;padding:28px 0;border-top:1px solid var(--line);align-items:start}
.steps .step:hover{background:rgba(49,95,255,.03)}
.steps .step:last-child{border-bottom:1px solid var(--line)}
.step .sn{font-family:var(--disp);font-weight:800;font-size:28px;color:var(--acid);line-height:1}
.step h3{font-family:var(--disp);text-transform:uppercase;font-size:17px;letter-spacing:.02em;margin-bottom:8px;line-height:1.2}
.step p{color:var(--mut);font-size:14.5px;max-width:48ch;line-height:1.55}
.step .stag{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--mut2);border:1px solid var(--line2);padding:5px 10px;text-transform:uppercase;white-space:nowrap;align-self:start}

/* ── case studies — no sticky stack (évite textes superposés) ─ */
.stack{display:flex;flex-direction:column;gap:24px}
.case{position:relative;top:auto;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);background:var(--ink3);border:1px solid var(--line2);min-height:0;margin-bottom:0;box-shadow:none;z-index:1}
.case .cimg{overflow:hidden;position:relative;min-height:240px;background:var(--ink)}
.case .cimg img{width:100%;height:100%;object-fit:cover;filter:grayscale(.35) contrast(1.05);transition:filter .5s}
.case:hover .cimg img{filter:grayscale(0) contrast(1.02)}
.case .cimg::after{content:'';position:absolute;inset:0;background:linear-gradient(120deg,rgba(49,95,255,.12),transparent 55%);pointer-events:none}
.case .cbody{padding:clamp(24px,3vw,40px);display:flex;flex-direction:column;gap:0;background:var(--ink3)}
.case .cnum{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--acid)}
.case h3{font-family:var(--disp);font-weight:800;text-transform:uppercase;font-size:clamp(1.25rem,2vw,1.65rem);margin:12px 0 10px;line-height:1.15}
.case .cbody>p{color:var(--mut);font-size:14.5px;max-width:46ch;line-height:1.55}
.cmetrics{margin-top:auto;padding-top:26px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;border-top:1px solid var(--line);margin-top:28px}
.cmetrics div b{font-family:var(--disp);font-size:24px;color:var(--acid);display:block}
.cmetrics div span{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--mut2)}
.chead .note{font-family:var(--mono);font-size:11px;color:var(--mut2);letter-spacing:.14em;text-transform:uppercase}

/* ── formateur ────────────────────────────────── */
.teach{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,70px);align-items:center}
.teach .ph{position:relative;border:1px solid var(--line2)}
.teach .ph::before,.teach .ph::after{content:'+';position:absolute;font-family:var(--mono);color:var(--acid);font-size:14px;z-index:2}
.teach .ph::before{top:-9px;left:-6px}.teach .ph::after{bottom:-11px;right:-6px}
.teach .ph .frame{overflow:hidden;aspect-ratio:4/5}
.teach .ph img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.1);transition:filter .8s}
.teach .ph:hover img{filter:grayscale(.2)}
.teach .ph figcaption{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--mut2);padding:12px 16px;border-top:1px solid var(--line2);text-transform:uppercase;display:flex;justify-content:space-between}
.teach h2{font-family:var(--disp);font-weight:800;font-size:clamp(2rem,4vw,3.2rem);text-transform:uppercase;line-height:1.02;margin:14px 0 6px}
.teach .role{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--acid);text-transform:uppercase}
.teach p.bio{color:var(--mut);margin:20px 0;max-width:56ch;font-size:15.5px}
.creds{border-top:1px solid var(--line)}
.creds li{list-style:none;display:flex;gap:16px;padding:13px 4px;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--mut)}
.creds li::before{content:'→';color:var(--acid)}
.teach blockquote{margin-top:26px;border-left:2px solid var(--acid);padding:6px 0 6px 22px;font-family:var(--disp);font-weight:700;font-size:clamp(1.1rem,1.8vw,1.35rem);text-transform:uppercase;line-height:1.35}

/* ── avis (scattered) ─────────────────────────── */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:20px 0 8px;align-items:stretch}
.rv{background:var(--paper);color:#191c21;padding:28px 24px 22px;position:relative;box-shadow:0 12px 28px rgba(0,0,0,.28);transition:transform .35s var(--ease);transform:none}
.rv::before{content:'';position:absolute;top:-8px;left:24px;width:56px;height:16px;background:rgba(49,95,255,.75)}
.rv:nth-child(1),.rv:nth-child(2),.rv:nth-child(3){transform:none}
.rv:hover{transform:translateY(-4px)}
.rv q{quotes:'«' '»';font-size:15.5px;line-height:1.55;font-weight:500;display:block;padding-right:36px}
.rv .meta{margin-top:18px;padding-top:14px;border-top:1px dashed #c9c4b4;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:#6f6857}
.rv .meta b{color:#191c21;display:block;letter-spacing:.08em;margin-bottom:4px}
.rv .score{position:absolute;top:16px;right:16px;font-family:var(--mono);font-size:10px;color:#1e48e0}

/* ── certification ────────────────────────────── */
.certwrap{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,80px);align-items:center}
.cert-copy h2{font-family:var(--disp);font-weight:800;font-size:clamp(2rem,4vw,3.2rem);text-transform:uppercase;line-height:1.03;margin:14px 0 18px}
.cert-copy h2 i{font-style:normal;color:var(--acid)}
.cert-copy>p{color:var(--mut);max-width:52ch;font-size:15.5px}
.kit{margin-top:28px;border-top:1px solid var(--line)}
.kit li{list-style:none;display:grid;grid-template-columns:110px 1fr;gap:16px;padding:14px 4px;border-bottom:1px solid var(--line);font-size:14.5px}
.kit li b{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;color:var(--acid);text-transform:uppercase;padding-top:3px}
.kit li span{color:var(--mut)}
.cert{border:1px solid var(--acid);background:var(--ink2);position:relative;padding:34px;transform:none;margin-top:12px;overflow:visible}
.cert:hover{transform:none}
.cert .seal{position:absolute;top:16px;right:16px;width:72px;height:72px;border-radius:50%;border:1px dashed var(--acid);display:grid;place-items:center;font-family:var(--mono);font-size:8px;letter-spacing:.16em;color:var(--acid);text-align:center;animation:none;background:var(--ink);z-index:1}
.cert-top,.cert-bot{display:flex;justify-content:space-between;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--mut2);text-transform:uppercase}
.cert-mid{padding:34px 0 30px;text-align:left}
.cert-brand{font-family:var(--mono);font-size:11px;letter-spacing:.34em;color:var(--mut)}
.cert-name{font-family:var(--disp);font-weight:800;font-size:clamp(1.7rem,3vw,2.5rem);text-transform:uppercase;color:var(--acid);margin:10px 0 12px;line-height:1.05}
.cert-line{font-size:13.5px;color:var(--mut);max-width:34ch}
.cert-hash{margin-top:22px;font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--mut2);border-top:1px dashed var(--line2);padding-top:14px;word-break:break-all}

/* ── tarifs ledger ────────────────────────────── */
.prow{display:grid;grid-template-columns:minmax(200px,.9fr) 1.3fr minmax(210px,auto);gap:clamp(20px,3vw,44px);padding:38px 26px;border-top:1px solid #d6d1c1;align-items:center;transition:background .3s;position:relative}
.prow:last-of-type{border-bottom:1px solid #d6d1c1}
.prow:hover{background:#e7e4d8}
.prow.feat{background:var(--ink);color:var(--bone);border-color:var(--ink)}
.prow.feat:hover{background:#0e141c}
.prow.feat::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--acid)}
.chip{display:inline-block;font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;padding:6px 12px;border:1px solid currentColor;margin-bottom:14px}
.prow.feat .chip{background:var(--acid);color:#fff;border-color:var(--acid)}
.prow h3{font-family:var(--disp);font-weight:800;text-transform:uppercase;font-size:clamp(1.15rem,1.8vw,1.5rem);line-height:1.1}
.pinc{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.pinc span{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;color:inherit;opacity:.75;border:1px solid currentColor;padding:4px 9px;opacity:.6}
.pprice{text-align:right}
.pprice .old{text-decoration:line-through;opacity:.45;font-family:var(--mono);font-size:13px}
.pprice .num{font-family:var(--disp);font-weight:800;font-size:clamp(1.9rem,3vw,2.7rem);line-height:1;display:block;margin:4px 0 8px}
.pprice .num i{font-style:normal;color:var(--acid-d);font-size:.55em}
.prow.feat .pprice .num i{color:var(--acid)}
.pprice small{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;opacity:.6}
.prow .btn{justify-self:end}
.pnote{margin-top:26px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:#8a8371;display:flex;gap:10px;flex-wrap:wrap}
.pnote b{color:var(--acid-d)}

/* ── faq ──────────────────────────────────────── */
.faq{max-width:860px;margin:0 auto;border-top:1px solid var(--line)}
.qa{border-bottom:1px solid var(--line)}
.qa button{width:100%;background:none;border:0;color:var(--bone);display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 6px;text-align:left;font-family:var(--disp);font-weight:700;font-size:clamp(1rem,1.6vw,1.2rem);text-transform:uppercase;letter-spacing:.02em;transition:color .3s}
.qa button:hover{color:var(--acid)}
.qa button .pm{font-family:var(--mono);color:var(--acid);font-size:20px;transition:transform .4s var(--ease);flex-shrink:0}
.qa.open button .pm{transform:rotate(45deg)}
.qa .a{max-height:0;overflow:hidden;transition:max-height .5s var(--ease)}
.qa .a p{padding:0 6px 26px;color:var(--mut);max-width:64ch;font-size:15px}
.qa .a b{color:var(--acid);font-family:var(--mono);font-size:10px;letter-spacing:.16em;display:block;margin-bottom:8px}

/* ── inscription ──────────────────────────────── */
.insc{display:grid;grid-template-columns:1fr 1fr 0.72fr;gap:clamp(20px,2.5vw,34px);align-items:start}
.fcard{border:1px solid var(--line2);background:var(--ink2);padding:clamp(24px,2.5vw,36px)}
.fcard h3{font-family:var(--disp);font-weight:800;text-transform:uppercase;font-size:1.3rem;margin:12px 0 6px}
.fcard .fd{color:var(--mut);font-size:14px;margin-bottom:24px}
.fld{margin-bottom:16px}
.fld label{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--mut2);margin-bottom:7px}
.fld input,.fld select,.fld textarea{width:100%;background:var(--ink);border:1px solid var(--line2);color:var(--bone);padding:14px;font:inherit;font-size:16px;transition:border-color .3s;border-radius:0;appearance:none;min-height:48px}
.fld textarea{resize:vertical;min-height:84px}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--acid)}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fcard .btn{width:100%;justify-content:center;margin-top:6px}
.fcard.alt-c{border-color:var(--acid)}
.fcard.alt-c .chip{color:var(--acid);border-color:var(--acid)}
.fcard .chip{color:var(--mut);border-color:var(--line2)}
.syscard{border:1px dashed var(--line2);padding:clamp(24px,2.5vw,32px);font-family:var(--mono)}
.syscard h4{font-size:11px;letter-spacing:.22em;color:var(--acid);margin-bottom:18px;text-transform:uppercase}
.syscard li{list-style:none;font-size:11px;letter-spacing:.06em;color:var(--mut2);padding:9px 0;border-bottom:1px solid var(--line)}
.syscard li::before{content:'▸ ';color:var(--acid)}
.syscard .btn{margin-top:20px;width:100%;justify-content:center}
.success{text-align:center;padding:34px 8px}
.success .ok{width:56px;height:56px;border:1px solid var(--acid);border-radius:50%;display:grid;place-items:center;color:var(--acid);font-size:22px;margin:0 auto 18px;animation:pop .6s var(--ease)}
@keyframes pop{from{transform:scale(.4);opacity:0}}
.success h4{font-family:var(--disp);text-transform:uppercase;font-size:1.15rem;margin-bottom:8px}
.success p{color:var(--mut);font-size:14px}

/* ── footer ───────────────────────────────────── */
footer{border-top:1px solid var(--line);padding:80px 0 0;overflow:hidden}
.fgiant{font-family:var(--disp);font-weight:800;text-transform:uppercase;font-size:clamp(3rem,11.5vw,10.5rem);line-height:.9;letter-spacing:-.01em;color:transparent;-webkit-text-stroke:1px #2b333d;text-align:center;transition:color .6s;user-select:none;white-space:nowrap}
.fgiant:hover{color:rgba(49,95,255,.14)}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;padding:64px 0 54px;border-top:1px solid var(--line);margin-top:60px}
.fgrid h5{font-family:var(--mono);font-size:10px;letter-spacing:.24em;color:var(--mut2);text-transform:uppercase;margin-bottom:16px}
.fgrid a,.fgrid p{display:block;font-size:14px;color:var(--mut);padding:4px 0;transition:color .25s}
.fgrid a:hover{color:var(--acid)}
.fmantra{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;color:var(--mut);line-height:2}
.fmantra b{color:var(--acid);font-weight:500}
.fbot{display:flex;justify-content:space-between;gap:16px;padding:22px 0;border-top:1px solid var(--line);font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--mut2);text-transform:uppercase;flex-wrap:wrap}

/* ── toast + cursor ───────────────────────────── */
#toast{position:fixed;left:24px;bottom:24px;z-index:150;background:var(--ink2);border:1px solid var(--acid);color:var(--bone);font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;padding:15px 20px;transform:translateY(160%);transition:transform .5s var(--ease);max-width:86vw}
#toast.show{transform:none}
#toast i{font-style:normal;color:var(--acid)}
#cursor{position:fixed;top:0;left:0;width:10px;height:10px;background:var(--acid);border-radius:50%;z-index:180;pointer-events:none;transform:translate(-50%,-50%);transition:width .25s,height .25s,opacity .3s;mix-blend-mode:difference;opacity:0}
#cursor.grow{width:42px;height:42px}
html.cur,html.cur a,html.cur button,html.cur summary{cursor:none}
html.cur input,html.cur textarea,html.cur select{cursor:auto}

/* ── responsive ───────────────────────────────── */
@media(max-width:1180px){
  .hlinks{gap:12px;font-size:10px}
  #cd{display:none}
  .hbar .btn,.hcta-desk{padding:11px 14px!important;font-size:11px}
}
@media(max-width:980px){
  .hgrid{grid-template-columns:1fr;gap:32px}
  .term .body{height:220px}
  .hero{padding:104px 0 36px}
  h1{font-size:clamp(2.2rem,7vw,3.6rem)}
  .ai-sum .grid{grid-template-columns:minmax(0,1.4fr) repeat(2,minmax(0,1fr))}
  .ai-sum .grid > :first-child{grid-column:1/-1}
}
@media(max-width:1020px){
  .meth,.teach,.certwrap{grid-template-columns:1fr}
  .dnav:not(.dnav--programme){display:flex;overflow-x:auto;gap:8px;border:0;margin-top:24px;-webkit-overflow-scrolling:touch;scrollbar-width:thin;padding-bottom:4px}
  .dnav:not(.dnav--programme) a{border:1px solid var(--line);white-space:nowrap;padding:12px 14px!important;flex-shrink:0;min-height:44px;align-items:center}
  .dnav--programme{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:thin;padding-bottom:4px;margin-bottom:28px}
  .insc{grid-template-columns:1fr}
  .case{grid-template-columns:1fr;min-height:0}
  .case .cimg{aspect-ratio:16/9;min-height:0}
  .steps .step{grid-template-columns:56px minmax(0,1fr);gap:14px}
  .step .stag{grid-column:2;justify-self:start;margin-top:4px}
  .reviews{grid-template-columns:1fr;max-width:520px;margin:0 auto}
  .rv:nth-child(n){transform:none}
  .contact-pro{grid-template-columns:1fr}
  .ledger{grid-template-columns:repeat(5,minmax(0,1fr))}
  .ledger>div{padding:18px 12px}
  .ledger b{font-size:clamp(1.25rem,2vw,1.7rem)}
  .ledger span{font-size:9px;letter-spacing:.1em}
  .cmetrics{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
}
@media(min-width:981px) and (max-width:1180px){
  .hgrid{gap:28px;align-items:center}
  h1{font-size:clamp(2.4rem,4.2vw,3.8rem);margin:16px 0 14px}
  .hero .sub{font-size:15px;max-width:44ch}
  .term .body{height:min(250px,34vh);font-size:11.5px;line-height:1.7}
  .hmeta{margin-top:22px}
  .hmeta div{padding:10px 12px;min-width:120px;font-size:10px}
  .hcta{margin-top:22px}
  .hero{padding:108px 0 48px}
}
@media(max-width:860px){
  .nav-toggle{display:flex}
  .hcta-desk{display:none}
  .hbar{height:64px}
  .brand{font-size:11px;letter-spacing:.08em;gap:6px}
  .hlinks{
    position:fixed;inset:calc(64px + env(safe-area-inset-top)) 0 0 0;
    z-index:190;flex-direction:column;gap:0;align-items:stretch;
    padding:12px 20px calc(28px + env(safe-area-inset-bottom));
    background:var(--ink);backdrop-filter:none;
    border-top:1px solid var(--line);
    transform:translateY(-110%);opacity:0;pointer-events:none;
    transition:transform .45s var(--ease),opacity .3s;
    overflow-y:auto;-webkit-overflow-scrolling:touch;
  }
  header.nav-open .hlinks{transform:none;opacity:1;pointer-events:auto}
  header.nav-open{background:var(--ink);border-color:var(--line)}
  #cursor{display:none!important}
  .hlinks a{
    font-size:15px;letter-spacing:.14em;padding:16px 4px;
    border-bottom:1px solid var(--line);min-height:52px;
  }
  .hlinks a::before{content:'▸ ';color:var(--acid)}
  #cd{display:none}
  .hero{padding:96px 0 32px}
  h1{font-size:clamp(2rem,9.2vw,3rem);margin:16px 0 14px;letter-spacing:-.03em}
  .hero .sub{font-size:15px;max-width:none}
  .eyebrow{font-size:10px;letter-spacing:.14em;flex-wrap:wrap}
  .hmeta{flex-direction:column;border:1px solid var(--line)}
  .hmeta div{border-right:0;border-bottom:1px solid var(--line);min-width:0;padding:12px 14px}
  .hmeta div:last-child{border-bottom:0}
  .hcta{flex-direction:column;align-items:stretch;gap:10px}
  .hcta .btn{justify-content:center;width:100%;min-height:48px;padding:14px 18px}
  .term .body{height:200px;font-size:12px}
  .ledger{grid-template-columns:repeat(2,1fr)}
  .ledger>div{border-bottom:1px solid var(--line);border-top:0!important;padding:18px 14px}
  .ledger>div:nth-child(2n){border-right:0}
  .ledger>div:nth-child(3){border-right:1px solid var(--line)}
  .ledger>div:last-child{grid-column:1/-1;border-bottom:0;border-right:0}
  .ledger-band{padding-bottom:20px}
  .mods{grid-template-columns:1fr}
  .mod{border-right:0!important;min-height:0}
  .cmp-row{grid-template-columns:1fr}
  .cmp-row .n{display:none}
  .cmp-row .cell{border-right:0;border-bottom:1px solid var(--line)}
  .cmp-row .cell:last-child{border-bottom:0}
  .prow{grid-template-columns:1fr;gap:18px;padding:28px 18px}
  .pprice{text-align:left}
  .prow .btn{justify-self:stretch;width:100%}
  .fgrid{grid-template-columns:1fr 1fr;gap:24px}
  .frow{grid-template-columns:1fr}
  .ai-sum .grid{grid-template-columns:1fr;gap:20px}
  .ai-sum .grid > :first-child{grid-column:auto}
  .ai-sum{padding:28px 0}
  .shead{margin-bottom:36px;gap:16px}
  .shead h2{max-width:none}
  .day-head{padding:16px 18px;gap:12px}
  .day-head h3{min-width:0;font-size:1.1rem}
  .day-num{font-size:32px}
  .mod{padding:16px 18px}
  .day-out{padding:14px 18px;flex-direction:column;gap:6px}
  .kit li{grid-template-columns:1fr;gap:6px;padding:14px 0}
  .cmetrics{grid-template-columns:1fr;gap:12px}
  .cert{padding:24px 20px}
  .cert .seal{width:56px;height:56px;font-size:7px;top:12px;right:12px}
  .qa button,.qa h3 button{padding:18px 2px;gap:12px;font-size:1rem;min-height:52px}
  .fgiant{font-size:clamp(2.4rem,18vw,4.5rem);white-space:normal;word-break:break-word}
  footer{padding:48px 0 0}
  .fgrid{padding:40px 0 36px;margin-top:36px}
  .btn{min-height:48px}
  .dark,.alt,.light{padding:clamp(56px,12vw,80px) 0}
  section{scroll-margin-top:calc(72px + env(safe-area-inset-top))}
}
@media(max-width:560px){
  .wrap{padding:0 16px}
  .fgrid{grid-template-columns:1fr;gap:28px}
  .reviews{max-width:none}
  .mq-track span{font-size:13px;padding:12px 0}
  .ratio .lab{font-size:9.5px;gap:8px;flex-wrap:wrap}
  .teach .ph{max-width:320px}
  .case .cbody{padding:22px 18px}
  .contact-card{padding:22px 18px}
  .fcard,.syscard{padding:22px 18px}
  .prow{padding:24px 16px}
  .ledger b{font-size:1.45rem}
  .hmeta div{font-size:10px}
  #toast{left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom));max-width:none}
}
@media(max-width:380px){
  .brand{font-size:10px;letter-spacing:.06em}
  h1{font-size:clamp(1.85rem,10vw,2.4rem)}
  .eyebrow{font-size:9px}
}
/* ── reduced motion ───────────────────────────── */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .mq-track{animation:none;transform:none}
  .case .cimg img{animation:none}
  .noise{display:none}
  #cursor{display:none}
  [data-rev]{opacity:1;transform:none}
  .lm>span{transform:none}
}

/* contact cards (no forms) */
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:22px;align-items:stretch}
.contact-card{border:1px solid var(--line);background:var(--ink2);padding:28px 26px;display:flex;flex-direction:column;gap:14px;transition:background .3s,border-color .3s}
.contact-card:hover{background:rgba(49,95,255,.04);border-color:var(--line2)}
.contact-card.feat{border-color:var(--acid);background:rgba(49,95,255,.06)}
.contact-card h3{font-family:var(--disp);font-weight:800;text-transform:uppercase;font-size:clamp(1.15rem,2vw,1.45rem);line-height:1.1}
.contact-card .fd{color:var(--mut);font-size:14.5px;max-width:42ch}
.contact-list{list-style:none;margin:8px 0 0;padding:0;border-top:1px solid var(--line)}
.contact-list li{display:flex;flex-direction:column;gap:4px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.contact-list .k{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--mut2)}
.contact-list a{color:var(--acid);font-weight:600}
.contact-list a:hover{text-decoration:underline}
.contact-card .btn{margin-top:auto;align-self:flex-start}
@media(max-width:1020px){.contact-grid{grid-template-columns:1fr}}

/* ── cities nav ───────────────────────────────── */
.cities-nav{display:flex;flex-wrap:wrap;gap:10px}
.cities-nav__item{display:inline-flex;align-items:center;min-height:44px;padding:10px 14px;border:1px solid var(--line);font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--mut);transition:color .25s,border-color .25s,background .25s}
.cities-nav__item:hover,.cities-nav__item.is-active{color:var(--acid);border-color:var(--acid);background:rgba(49,95,255,.06)}
.cities-nav--footer{margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}
@media(max-width:560px){
  .cities-nav__item{font-size:10px;padding:10px 12px;letter-spacing:.06em}
}

/* ── contact pro form ──────────────────────────── */
.contact-pro{grid-template-columns:minmax(0,.9fr) minmax(0,1.2fr)}
.contact-links{display:flex;flex-direction:column;gap:10px;margin-top:18px;font-family:var(--mono);font-size:12px;letter-spacing:.06em}
.contact-links a{color:var(--acid)}
.contact-links a:hover{text-decoration:underline}
.form-alert{border:1px solid var(--signal);color:#ffb4ab;background:rgba(255,90,71,.08);padding:12px 14px;margin-bottom:18px;font-size:14px}
.ferr{display:block;margin-top:6px;font-family:var(--mono);font-size:11px;color:var(--signal);letter-spacing:.04em}
.form-note{font-size:12.5px;color:var(--mut2);margin:8px 0 16px;max-width:52ch}
.form-note a{color:var(--acid);text-decoration:underline}
.hp{position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}
@media(max-width:1020px){.contact-pro{grid-template-columns:1fr}}