/* Guide « La lumière de scène » — mouvement (apparition au défilement, cartes, schémas) et grande animation explicative.
   Décoratif : sans ce fichier ni JavaScript, le guide reste complet. Tout s'arrête en mode « mouvement réduit ». */
:root{--mo-ease:cubic-bezier(.22,1,.36,1)}

/* Barre de progression de lecture */
.mo-progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:200;background:linear-gradient(90deg,var(--orange),var(--gold),var(--blue));transform-origin:0 50%;transform:scaleX(0);pointer-events:none}

/* Entrée en douceur du haut de page */
.hero__inner>*{opacity:0;transform:translateY(14px);animation:mo-rise .9s var(--mo-ease) forwards}
.hero__inner>*:nth-child(1){animation-delay:.05s}.hero__inner>*:nth-child(2){animation-delay:.15s}
.hero__inner>*:nth-child(3){animation-delay:.25s}.hero__inner>*:nth-child(4){animation-delay:.38s}
@keyframes mo-rise{to{opacity:1;transform:none}}
.hero{position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:-30% -10% auto -10%;height:120%;pointer-events:none;background:radial-gradient(ellipse at 30% 40%,rgba(255,95,168,.10),transparent 55%),radial-gradient(ellipse at 75% 30%,rgba(77,143,255,.10),transparent 55%);animation:mo-drift 14s ease-in-out infinite alternate}
.hero__inner{position:relative;z-index:1}
@keyframes mo-drift{from{transform:translateX(-3%)}to{transform:translateX(3%)}}

/* Menu : soulignement qui glisse */
.nav__links a{position:relative}
.nav__links a:not(.on)::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:1px;background:var(--gold);transform:scaleX(0);transform-origin:0 50%;transition:transform .35s var(--mo-ease)}
.nav__links a:not(.on):hover::after{transform:scaleX(1)}

/* Titres : filet doré qui se trace */
.sec-title::after{content:"";display:block;height:2px;width:56px;margin:10px 0 0;border-radius:2px;background:linear-gradient(90deg,var(--gold),transparent);transform:scaleX(0);transform-origin:0 50%;transition:transform .9s var(--mo-ease) .2s}
.sec-title.on::after{transform:scaleX(1)}

/* Cartes : survol */
.step,.term,.box,.cause,.skeleton{transition:transform .35s var(--mo-ease),box-shadow .35s,border-color .3s,opacity .7s var(--mo-ease)}
a.step:hover,.term:hover,.cause:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(0,0,0,.4)}
.step .n{transition:transform .4s var(--mo-ease)}
.step:hover .n{transform:scale(1.12)}
.step .go{transition:transform .3s var(--mo-ease)}
a.step:hover .go{transform:translateX(4px)}
.btn{position:relative;overflow:hidden}
.btn-p:hover{box-shadow:0 8px 28px rgba(240,189,87,.28)}
.btn:active{transform:scale(.98)}

/* Apparition au défilement : seulement si JavaScript tourne (classe mo-js) */
.mo-js .rv{opacity:0;transform:translateY(18px);transition:opacity .7s var(--mo-ease),transform .7s var(--mo-ease)}
.mo-js .rv.on{opacity:1;transform:none}
.mo-js .olist li.rv{transform:translateX(-14px)}
.mo-js .olist li.rv.on{transform:none}

/* Schémas existants : les éléments arrivent un à un, les flèches se mettent à couler */
.mo-js .fig:not(.story) svg>*:not(defs):not(title):not(desc){opacity:0;transform:translateY(6px);transition:opacity .6s var(--mo-ease),transform .6s var(--mo-ease)}
.mo-js .fig:not(.story).on svg>*{opacity:1;transform:none}
.fig.vis [marker-end]{stroke-dasharray:7 6;animation:mo-flow 1.1s linear infinite}
@keyframes mo-flow{to{stroke-dashoffset:-13}}
.fig:not(.vis) [marker-end]{animation-play-state:paused}

/* Pastille « Rédigée / Squelette » */
.state.ok{animation:mo-pulse 3.2s ease-in-out infinite}
@keyframes mo-pulse{0%,100%{box-shadow:0 0 0 0 rgba(52,209,122,0)}50%{box-shadow:0 0 14px 0 rgba(52,209,122,.28)}}

/* ===== Installation « brique par brique » ===== */
.fig.story{padding:14px 14px 18px}
.story-tabs{display:flex;gap:6px;margin:0 auto 14px;max-width:680px}
.story-tabs[hidden]{display:none}
.story-tabs button{flex:1;min-width:0;min-height:48px;padding:8px 6px;font:600 14px/1.25 Inter,sans-serif;color:var(--mut);cursor:pointer;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.03);transition:background .25s,color .25s,border-color .25s}
.story-tabs button[aria-selected="true"]{background:var(--gold);border-color:var(--gold);color:#1a1405}
.story-tabs button:hover:not([aria-selected="true"]){background:rgba(255,255,255,.1);color:var(--text)}
.story-tabs button:focus-visible,.story-ctrl button:focus-visible,.story-dots button:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.setup+.setup{margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}
.setup-title{font-family:Oswald,sans-serif;font-size:1.15rem;margin:0 0 10px;text-align:center}
.mo-story .setup+.setup{margin:0;padding:0;border:0}
.mo-story .setup{display:none}
.mo-story .story-note.nojs{display:none}
.story-note[hidden]{display:none}
.mo-story .setup.cur{display:block}
.mo-story .setup-title{display:none}
.story-stage{background:linear-gradient(180deg,#0a0b10,#10121a);border:1px solid var(--line);border-radius:12px;padding:8px;overflow:hidden}
.fig .story-svg{max-width:680px}
.story-svg .stage{fill:#0f1118;stroke:var(--line);stroke-width:1.5}
.story-svg .floor{fill:#1a1d27}
.story-svg .truss{stroke:#565c6e;stroke-width:4;stroke-linecap:round}
.story-svg text.lab{font-family:Inter,sans-serif;font-size:17px;fill:var(--text)}
.story-svg text.lab.b{font-weight:600;font-size:18px}
.story-svg text.lab.sm{font-size:15px}
.story-svg text.tg{font-family:'JetBrains Mono',monospace;font-size:12px;fill:var(--orange);letter-spacing:.04em}
.story-svg text.bdt{font-family:Inter,sans-serif;font-size:14px;font-weight:600}
.story-svg text.mt{font-family:Inter,sans-serif;font-size:16px;font-weight:700;fill:#0d0e12}
.story-svg text.bt{font-family:Inter,sans-serif;font-size:15px;font-weight:700;fill:#1a0a12}
.story-svg text.note{font-size:24px;fill:var(--gold);opacity:0}
.story-svg .devbox{fill:#171a22;stroke:#323847;stroke-width:2;transition:stroke .4s,fill .4s}
.story-svg .badge{fill:#171a22;stroke-width:1.6}
.story-svg .dev.now .devbox{stroke:var(--halo,var(--gold));fill:#1d2029}
/* briques : cachées tant qu'elles ne sont pas arrivées (seulement avec JavaScript) */
.mo-story .story-svg .br{opacity:0;transition:opacity .45s}
.mo-story .story-svg .br.on{opacity:1}
.story-svg .arrow{stroke-dasharray:8 7;animation:mo-flow .9s linear infinite}
.story-svg .arrow.dash{stroke-dasharray:3 8}
.mo-story .story-svg .arrow.on{opacity:.7}
.mo-story .story-svg .arrow.on.now{opacity:1;stroke-width:6.5}
.story-svg .br.now:not(.arrow):not(.bubble){transform-box:fill-box;transform-origin:50% 60%;animation:mo-reveal 1s var(--mo-ease) both}
@keyframes mo-reveal{0%{opacity:0;transform:scale(.82);filter:drop-shadow(0 0 0 transparent)}35%{opacity:1;filter:drop-shadow(0 0 18px var(--halo,#f0bd57))}100%{opacity:1;transform:none;filter:drop-shadow(0 0 5px transparent)}}
.story-svg .lamp .beam{opacity:0;transition:opacity .8s}
html:not(.mo-story) .story-svg .lamp .beam{opacity:.3}
.story-svg .lamp .lampbody{fill:#2a2e3a;stroke:#565c6e;stroke-width:2}
.story-svg .lamp .bulb{fill:#3a3f4d;transition:fill .6s}
.story-svg .lamp.on .beam{opacity:.34;animation:mo-beam 3.2s ease-in-out infinite;animation-delay:calc(var(--i) * -1s)}
.story-svg .lamp.on .bulb{fill:var(--c);filter:drop-shadow(0 0 8px var(--c))}
@keyframes mo-beam{0%,100%{opacity:.26}50%{opacity:.42}}
.story-svg .bubble{transform:translate(480px,366px)}
.story-svg .bubble.on{animation:mo-bubble 2.4s var(--mo-ease) infinite}
@keyframes mo-bubble{0%{transform:translate(480px,366px);opacity:0}15%{opacity:1}75%{transform:translate(392px,366px);opacity:1}100%{transform:translate(392px,366px);opacity:0}}
.story-svg .ch{transform-box:fill-box;transform-origin:50% 100%;animation:mo-bob 1.1s ease-in-out infinite;animation-delay:var(--d)}
@keyframes mo-bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
.story-svg .note{animation:mo-note 2.6s ease-out infinite;animation-delay:calc(var(--k) * .85s)}
@keyframes mo-note{0%{opacity:0;transform:translate(0,0)}20%{opacity:.9}100%{opacity:0;transform:translate(14px,-34px)}}
.story.paused *{animation-play-state:paused !important}
.story .demo-caption{max-width:760px;margin:16px auto 0;padding:14px 18px;border:1px solid var(--line);border-radius:10px;background:var(--bg);font-size:1.02rem;line-height:1.55;color:var(--text);min-height:8.4em;text-align:left}
.story .demo-caption[hidden],.story-ctrl[hidden],.story-dots[hidden]{display:none}
.story .demo-caption.swap{animation:mo-cap .5s var(--mo-ease)}
@keyframes mo-cap{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.capapp{display:inline-block;font-family:'JetBrains Mono',monospace;font-size:.7rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--gold);border:1px solid rgba(240,189,87,.4);border-radius:999px;padding:2px 10px;margin-right:6px}
.story .demo-caption b:not(.capapp){color:var(--gold)}
.story-ctrl{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px 10px;margin-top:14px}
.story-ctrl button{font:600 14px/1.2 Inter,sans-serif;color:var(--text);cursor:pointer;padding:12px 16px;min-height:44px;border-radius:8px;border:1px solid var(--line);background:rgba(255,255,255,.05);transition:background .2s}
.story-ctrl button:hover{background:rgba(255,255,255,.12)}
.story-ctrl button.next{background:var(--gold);border-color:var(--gold);color:#1a1405}
.story-ctrl button[disabled]{opacity:.4;cursor:default}
.story-dots{display:flex;justify-content:center;gap:4px;margin-top:6px}
.story-dots button{width:26px;height:26px;padding:0;border:0;background:none;cursor:pointer;display:flex;align-items:center;justify-content:center}
.story-dots button::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--dim);transition:background .3s,transform .3s}
.story-dots button.on::before{background:var(--gold);transform:scale(1.35)}
.story-count{width:100%;text-align:center;font:11px/1 'JetBrains Mono',monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--mut)}
.story-caps{list-style:none;counter-reset:s;max-width:760px;margin:16px auto 0;display:flex;flex-direction:column;gap:10px}
.story-caps li{counter-increment:s;font-size:.9rem;color:var(--mut);padding-left:30px;position:relative}
.story-caps li::before{content:counter(s);position:absolute;left:0;color:var(--pink);font-family:Oswald,sans-serif;font-weight:700}
.mo-story .story-caps{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);margin:0}
.story-note{max-width:760px;margin:14px auto 0;font-size:.82rem;color:var(--mut);text-align:center}
.story .legend{margin-top:14px}
@media(max-width:600px){.story-svg text.lab{font-size:20px}.story-svg text.lab.b{font-size:21px}.story-svg text.lab.sm{font-size:18px}.story-svg text.tg{font-size:15px}.story-svg text.note{font-size:30px}.story-stage{padding:4px}.story-tabs button{font-size:13px}}
@media(max-width:480px){.story .demo-caption{font-size:.96rem;min-height:11em}.story-ctrl button{padding:12px 10px;font-size:13px}.fig.story{padding:10px 8px 16px}.story-ctrl{gap:8px 6px}}

/* Mouvement réduit : tout reste visible, rien ne bouge */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .hero__inner>*{animation:none;opacity:1;transform:none}
  .hero::after,.state.ok,.fig [marker-end],.story-svg *{animation:none !important}
  .rv,.sec-title::after,.fig svg>*,.step,.term,.box,.cause,.story-svg *{transition:none !important}
  .sec-title::after{transform:scaleX(1)}
  a.step:hover,.term:hover,.cause:hover{transform:none}
  .story-svg .note{opacity:0}
  .story-svg .bubble.on{transform:translate(436px,366px);opacity:1}
}