/* Montserrat embarquée (fonctionne hors ligne) */
@font-face{font-family:"Montserrat";src:url("../assets/fonts/Montserrat-VariableFont_wght.ttf") format("truetype");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:"Montserrat";src:url("../assets/fonts/Montserrat-Italic-VariableFont_wght.ttf") format("truetype");font-weight:100 900;font-style:italic;font-display:swap}

[hidden]{display:none!important}
img{max-width:100%}
:root{
  color-scheme:dark;
  --obsidian:#01061B; --deep:#0B363C; --teal:#14655C;
  --lime:#B8FF00; --lime-dim:rgba(184,255,0,.12); --lime-line:rgba(184,255,0,.45);
  --white:#FFFFFF; --bluegrey:#8A9BB0; --slate:#4A5568; --line:#2D3748;
  --card:rgba(0,0,0,.5); --solid:#1A2233;
  --font:"Montserrat",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --cw:208px; --nav:64px;
}
*{box-sizing:border-box}
html,body{height:100%}
html{background:var(--obsidian)}
body{margin:0;font-family:var(--font);color:var(--white);background:var(--obsidian);overflow:hidden;-webkit-font-smoothing:antialiased}

/* ---------- ambient ground ---------- */
.ground{position:fixed;inset:0;z-index:0;overflow:hidden;
  background:linear-gradient(100deg,var(--obsidian) 0%,#041a26 45%,var(--deep) 80%,#0f4f49 100%)}
.blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.55;transition:transform 1.4s cubic-bezier(.2,.7,.2,1)}
.blob.a{width:62vw;height:62vw;right:-22vw;top:-30vw;background:radial-gradient(circle,rgba(20,101,92,.95),transparent 65%);animation:drift 18s ease-in-out infinite alternate}
.blob.b{width:48vw;height:48vw;left:-18vw;bottom:-26vw;background:radial-gradient(circle,rgba(60,50,150,.55),transparent 65%);animation:drift 22s ease-in-out infinite alternate-reverse}
.grain{position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.035) 1px,transparent 1px);background-size:26px 26px;mask-image:linear-gradient(180deg,transparent,#000 30%,#000 70%,transparent)}
@keyframes drift{to{transform:translate(-6vw,5vw) scale(1.08)}}

/* ---------- stage ---------- */
.viewport{position:fixed;inset:0 0 var(--nav) 0;z-index:1}
.stage{position:absolute;left:50%;top:50%;width:1440px;height:810px;transform:translate(-50%,-50%) scale(var(--s,1));transform-origin:center}
.slide{position:absolute;inset:0;padding:40px 64px 34px;display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateX(var(--from,60px)) scale(.985);
  transition:opacity .45s ease,transform .7s cubic-bezier(.2,.7,.2,1),visibility 0s linear .7s}
.slide.on{opacity:1;visibility:visible;transform:none;transition:opacity .5s ease .1s,transform .7s cubic-bezier(.2,.7,.2,1) .05s,visibility 0s}
.slide.gone{--from:-60px}

/* flow mode for narrow screens */
body.flow{overflow:auto}
body.flow .viewport{position:relative;inset:auto;min-height:calc(100% - var(--nav));padding-bottom:var(--nav)}
body.flow .stage{position:relative;left:auto;top:auto;width:auto;height:auto;transform:none}
body.flow .slide{position:relative;display:none;padding:22px 16px 28px;min-height:calc(100vh - var(--nav))}
body.flow .slide.on{display:flex}
body.flow .tree-area{overflow-x:auto;justify-content:flex-start}
body.flow .head-row{flex-direction:column;align-items:flex-start}
body.flow .cover-grid{grid-template-columns:1fr}
body.flow .constellation{width:300px;height:300px;margin:10px auto 0}
body.flow .cover h1{font-size:44px}
body.flow .strip{flex-wrap:wrap}
body.flow .spot{flex-direction:column;align-items:flex-start;gap:26px}
body.flow .spot-card{padding:24px}
body.flow .spot .ph{width:140px;height:140px}

/* ---------- chrome ---------- */
.logo{height:30px;width:auto;display:block}
.head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;margin-top:26px}
.kicker{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--lime)}
h1,h2{margin:0;font-weight:800;letter-spacing:-.01em;text-wrap:balance}
h2{font-size:34px;line-height:1.1;margin-top:8px}
.rule{width:134px;height:3px;background:var(--lime);margin:14px 0 12px;transform-origin:left}
.stand{margin:0;max-width:60ch;color:var(--bluegrey);font-size:13.5px;line-height:1.55}
.stand b{color:var(--white);font-weight:600}
.on .kicker.anim{animation:slideR .6s cubic-bezier(.2,.7,.2,1) .15s both}
.on h2{animation:rise .7s cubic-bezier(.2,.7,.2,1) .22s both}
.on .rule{animation:grow .8s cubic-bezier(.2,.7,.2,1) .4s both}
.on .stand{animation:rise .7s cubic-bezier(.2,.7,.2,1) .5s both}

/* chain (reporting line) */
.chain{display:flex;align-items:center;gap:0}
.chain .link{width:36px;height:1px;background:var(--line);transform-origin:left}
.on .chain .link{animation:grow .5s ease both;animation-delay:calc(.45s + var(--i)*.18s)}
.pill{display:flex;align-items:center;gap:10px;padding:7px 14px 7px 7px;border:1px solid var(--line);border-radius:999px;background:var(--card)}
.pill .av{width:34px;height:34px;font-size:11px}
.pill .nm{font-size:12px}
.pill .rl{font-size:10.5px;margin-top:1px}
.on .chain .pill{animation:rise .55s cubic-bezier(.2,.7,.2,1) both;animation-delay:calc(.35s + var(--i)*.18s)}

/* chapter strip */
.strip{display:flex;gap:10px;margin-top:22px}
.strip button{flex:1;font:700 11px/1.25 var(--font);letter-spacing:.1em;text-transform:uppercase;color:var(--bluegrey);
  background:transparent;border:1px solid var(--line);border-radius:12px;padding:12px 10px;cursor:pointer;transition:all .25s}
.strip button:hover{color:var(--white);border-color:var(--lime-line)}
.strip button.cur{color:var(--obsidian);background:var(--lime);border-color:var(--lime);box-shadow:0 10px 30px rgba(184,255,0,.18)}
.on .strip button{animation:rise .5s cubic-bezier(.2,.7,.2,1) both;animation-delay:calc(.55s + var(--i)*.06s)}
.drop{width:1px;height:26px;background:var(--lime-line);margin:0 auto;transform-origin:top}
.on .drop{animation:growY .4s ease .95s both}

/* ---------- tree ---------- */
.tree-area{flex:1;min-height:0;display:flex;justify-content:center;align-items:flex-start;margin-top:18px}
.slide.mid .tree-area{align-items:center;padding-bottom:40px}
.slide.mid .card{padding:14px 14px}
.slide.mid .av{width:52px;height:52px;font-size:15px}
.slide.mid .nm{font-size:14px}
.tree{display:flex;justify-content:center;padding:0 6px 8px;width:max-content}
.tree ul{list-style:none;margin:0;padding:0}
.tree li{position:relative}
.tree>ul>li{display:flex;flex-direction:column;align-items:center}
ul.row{display:flex;justify-content:center;padding-top:22px;position:relative}
ul.row::before{content:"";position:absolute;top:0;left:50%;height:22px;border-left:1px solid var(--lime-line);transform-origin:top}
ul.row>li{padding:22px 8px 0;display:flex;flex-direction:column;align-items:center}
ul.row>li::before,ul.row>li::after{content:"";position:absolute;top:0;right:50%;width:50%;height:22px;border-top:1px solid var(--lime-line)}
ul.row>li::before{transform-origin:right}
ul.row>li::after{right:auto;left:50%;border-left:1px solid var(--lime-line);transform-origin:left}
ul.row>li:first-child::before,ul.row>li:last-child::after{border:0}
ul.row>li:last-child::before{border-right:1px solid var(--lime-line);border-radius:0 10px 0 0}
ul.row>li:first-child::after{border-radius:10px 0 0 0}
ul.row>li:only-child::before{display:none}
ul.row>li:only-child::after{border-top:0;border-radius:0}
.branch{width:var(--cw);display:flex;flex-direction:column}
ul.stack{padding:2px 0 0 20px;width:100%}
ul.stack>li{padding-top:9px}
ul.stack>li::before{content:"";position:absolute;left:-11px;top:0;width:11px;height:38px;border-left:1px solid var(--line);border-bottom:1px solid var(--line);border-bottom-left-radius:9px;transform-origin:top}
ul.stack>li:not(:last-child)::after{content:"";position:absolute;left:-11px;top:0;bottom:0;border-left:1px solid var(--line);transform-origin:top}
ul.stack .branch{width:100%}
/* line drawing */
.on ul.row::before{animation:growY .35s ease both;animation-delay:calc(var(--d)*.16s + .5s)}
.on ul.row>li::before,.on ul.row>li::after{animation:grow .4s ease both;animation-delay:calc(var(--d)*.16s + .6s)}
.on ul.stack>li::before,.on ul.stack>li::after{animation:growY .35s ease both;animation-delay:calc(var(--d)*.16s + var(--i)*.05s + .55s)}

/* ---------- cards ---------- */
.card{position:relative;width:100%;display:flex;gap:11px;align-items:center;text-align:left;
  background:var(--card);border:1px solid var(--line);border-radius:14px;padding:10px 11px;color:var(--white);font:inherit;
  transition:transform .25s cubic-bezier(.2,.7,.2,1),border-color .25s,background .25s,box-shadow .25s}
.card:hover{transform:translateY(-3px);border-color:var(--lime-line);background:rgba(0,0,0,.66);box-shadow:0 14px 30px rgba(0,0,0,.35)}
button.card{cursor:pointer}
.on .card{animation:pop .6s cubic-bezier(.2,.8,.2,1.15) both;animation-delay:calc(var(--d)*.16s + var(--i)*.05s + .45s)}
.av{flex:none;position:relative;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;overflow:hidden;
  background:var(--solid);border:1px dashed #3a475c;font-size:13px;font-weight:700;color:var(--bluegrey);letter-spacing:.04em}
.av img{width:100%;height:100%;object-fit:cover;display:block}
.av.has{border-style:solid}
.lead .av{border:2px solid var(--lime);color:var(--white)}
.meta{min-width:0}
.nm{font-size:13px;font-weight:700;line-height:1.22}
.rl{margin-top:3px;font-size:11px;line-height:1.33;color:var(--bluegrey)}
.rl+.rl{margin-top:2px}
.chip{display:inline-block;margin-top:5px;font-size:8.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--bluegrey);border:1px solid var(--line);border-radius:999px;padding:3px 7px}
.more{margin-top:5px;font-size:9.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--lime)}
.card.top{border-color:var(--lime-line);box-shadow:0 0 0 5px rgba(184,255,0,.05)}
.card.top .av{width:54px;height:54px;font-size:15px}
.card.top .nm{font-size:15px}
.card.unit{justify-content:center;text-align:center;background:var(--lime-dim);border-color:var(--lime-line);padding:10px}
.card.unit .nm{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--lime)}
.card.unit .rl{color:var(--white);opacity:.7}
.card.mini{padding:6px 10px;border-radius:9px;background:rgba(0,0,0,.28)}
.card.mini .nm{font-size:10.5px;font-weight:600;color:var(--bluegrey)}
.card.hit{border-color:var(--lime);animation:ping 1.2s ease-out 3 !important}

/* ---------- cover ---------- */
.cover-grid{flex:1;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:40px}
.cover h1{font-size:76px;line-height:1;margin-top:14px}
.cover h1 .ln{display:block;overflow:hidden;padding-bottom:4px}
.cover h1 .ln span{display:block}
.on.cover h1 .ln span{animation:up .9s cubic-bezier(.2,.7,.2,1) both}
.on.cover h1 .ln:nth-child(2) span{animation-delay:.12s}
.poles{display:flex;gap:8px;margin-top:22px}
.pole{font-size:11px;font-weight:600;padding:7px 13px;border-radius:999px;border:1px solid var(--line);background:var(--card)}
.pole i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--lime);margin-right:7px;vertical-align:1px}
.on .poles .pole{animation:rise .5s ease both;animation-delay:calc(.7s + var(--i)*.1s)}
.stats{display:flex;gap:10px;margin-top:34px;flex-wrap:wrap}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:13px 18px;min-width:120px}
.stat b{display:block;font-size:30px;font-weight:800;color:var(--lime);font-variant-numeric:tabular-nums;line-height:1}
.stat span{display:block;margin-top:6px;font-size:11px;color:var(--bluegrey)}
.on .stat{animation:rise .6s cubic-bezier(.2,.7,.2,1) both;animation-delay:calc(.85s + var(--i)*.09s)}
.constellation{position:relative;width:560px;height:560px;justify-self:center}
.dot{position:absolute;border-radius:50%;display:grid;place-items:center;overflow:hidden;background:var(--solid);border:1px solid #3a475c;
  font-weight:700;color:var(--bluegrey);transform:translate(-50%,-50%);animation:float 6s ease-in-out infinite alternate;animation-delay:var(--fd)}
.dot img{width:100%;height:100%;object-fit:cover;display:block}
.dot{cursor:default}
.dot.l{border:2px solid var(--lime);color:var(--white)}
.on .dot{animation:appear .7s cubic-bezier(.2,.8,.2,1.2) both,float 6s ease-in-out infinite alternate;animation-delay:var(--ad),var(--fd)}
.constellation .core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(184,255,0,.22),transparent 70%)}
.motto{font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--bluegrey);text-align:right;line-height:1.5}
.topline{display:flex;justify-content:space-between;align-items:center}

/* ---------- spotlight ---------- */
.spot{flex:1;display:flex;align-items:center;justify-content:center;gap:70px}
.spot-card{display:flex;align-items:center;gap:36px;padding:34px 42px 34px 34px;border:1px solid var(--line);border-radius:26px;background:var(--card)}
.on .spot-card{animation:pop .8s cubic-bezier(.2,.8,.2,1.1) .55s both}
.ph{position:relative;width:190px;height:190px;flex:none}
.ph .av{width:100%;height:100%;font-size:46px;border:1px dashed #3a475c;color:var(--white)}
.ring{position:absolute;inset:-10px;border-radius:50%;
  background:conic-gradient(from 0deg,var(--lime),transparent 28%,transparent 62%,var(--lime));
  -webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 3px),#000 calc(100% - 2px));
          mask:radial-gradient(farthest-side,transparent calc(100% - 3px),#000 calc(100% - 2px));
  animation:spin 7s linear infinite}
.spot .big{font-size:34px;font-weight:800;line-height:1.1}
.spot .role{margin-top:8px;font-size:15px;color:var(--bluegrey);max-width:26ch;line-height:1.45}
.spot .rep{margin-top:22px;display:flex;align-items:center;gap:10px;font-size:11px;color:var(--bluegrey)}
.spot .rep b{color:var(--white);font-weight:600}
.spot .rep i{width:22px;height:1px;background:var(--lime);display:inline-block}

/* ---------- closing ---------- */
.close-wrap{flex:1;display:flex;flex-direction:column;justify-content:center}
.close-wrap h1{font-size:120px;line-height:1}
.close-wrap h1 span{color:var(--lime)}
.close-wrap .big-motto{margin-top:18px;font-size:26px;font-weight:700;line-height:1.3;max-width:22ch}
.close-wrap .big-motto em{font-style:normal;color:var(--bluegrey);font-weight:400}
.on .close-wrap h1{animation:rise .9s cubic-bezier(.2,.7,.2,1) .2s both}
.on .close-wrap .big-motto{animation:rise .9s cubic-bezier(.2,.7,.2,1) .45s both}
.foot{font-size:10px;font-style:italic;color:var(--slate)}

/* ---------- nav ---------- */
.progress{position:fixed;left:0;top:0;height:3px;background:var(--lime);z-index:5;width:0;transition:width .6s cubic-bezier(.2,.7,.2,1);padding:0}
nav{position:fixed;left:0;right:0;bottom:0;z-index:5;height:calc(var(--nav) + env(safe-area-inset-bottom,0px));padding:0 20px env(safe-area-inset-bottom,0px);
  display:flex;align-items:center;justify-content:space-between;gap:14px;border-top:1px solid var(--line);
  background:rgba(1,6,27,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.where{font-size:11px;font-weight:600;color:var(--bluegrey);min-width:0;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.where b{color:var(--white)}
.ctrl{display:flex;align-items:center;gap:12px}
.dots{display:flex;gap:6px}
.dots button{width:8px;height:8px;border-radius:999px;border:0;padding:0;background:#34405a;cursor:pointer;transition:all .35s cubic-bezier(.2,.7,.2,1)}
.dots button:hover{background:var(--bluegrey)}
.dots button[aria-current="true"]{width:26px;background:var(--lime)}
.nb{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:var(--card);color:var(--white);cursor:pointer;display:grid;place-items:center;transition:all .2s}
.nb:hover{border-color:var(--lime);color:var(--lime)}
.nb:disabled{opacity:.3;cursor:default;border-color:var(--line);color:var(--white)}
.nb svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2}
.right{flex:1;display:flex;justify-content:flex-end}
.sbtn{display:flex;align-items:center;gap:8px;font:600 12px var(--font);color:var(--bluegrey);background:var(--card);border:1px solid var(--line);border-radius:999px;padding:9px 14px;cursor:pointer}
.sbtn:hover{color:var(--white);border-color:var(--lime-line)}
.sbtn svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2}
.sbtn kbd{font:600 10px var(--font);border:1px solid var(--line);border-radius:5px;padding:1px 5px;color:var(--slate)}
button:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

/* search overlay */
.overlay[hidden]{display:none}
.overlay{position:fixed;inset:0;z-index:10;background:rgba(1,6,27,.7);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);display:flex;justify-content:center;padding:12vh 16px 16px}
.sbox{width:min(560px,100%);background:var(--solid);border:1px solid var(--line);border-radius:18px;box-shadow:0 30px 70px rgba(0,0,0,.5);overflow:hidden;align-self:flex-start;animation:pop .35s cubic-bezier(.2,.8,.2,1.1) both}
.sbox input{width:100%;font:500 15px var(--font);color:var(--white);background:transparent;border:0;border-bottom:1px solid var(--line);padding:18px 20px;outline:none}
.sbox input::placeholder{color:var(--slate)}
.hits{max-height:52vh;overflow:auto;padding:6px}
.hits button{display:flex;width:100%;gap:12px;align-items:center;text-align:left;background:none;border:0;border-radius:10px;padding:9px 10px;color:var(--white);cursor:pointer;font:inherit}
.hits button:hover,.hits button.sel{background:rgba(184,255,0,.08)}
.hits .av{width:34px;height:34px;font-size:11px}
.hits .n{font-size:13px;font-weight:600}
.hits .r{font-size:11px;color:var(--bluegrey);margin-top:2px}
.hits .empty{padding:14px;font-size:12px;color:var(--bluegrey)}

@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes pop{from{opacity:0;transform:translateY(12px) scale(.94)}to{opacity:1;transform:none}}
@keyframes slideR{from{opacity:0;transform:translateX(-14px)}to{opacity:1;transform:none}}
@keyframes up{from{transform:translateY(105%)}to{transform:none}}
@keyframes grow{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@keyframes growY{from{transform:scaleY(0)}to{transform:scaleY(1)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes appear{from{opacity:0;transform:translate(-50%,-50%) scale(0)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}
@keyframes float{from{margin-top:-4px}to{margin-top:5px}}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(184,255,0,.6)}100%{box-shadow:0 0 0 16px rgba(184,255,0,0)}}
@media (max-width:620px){.where{display:none}.sbtn span,.sbtn kbd{display:none}.dots{gap:4px}.dots button[aria-current="true"]{width:16px}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}