/* Start iD : thème sombre unique (cinéma + HUD), un seul accent : braise. Angles coupés partout. */
:root{
  --night:#0a0d12;
  --surface:#10151c;
  --surface-2:#161c25;
  --line:rgba(226,232,240,.14);
  --line-strong:rgba(226,232,240,.32);
  --text:#ece9e4;
  --muted:#a3abb5;
  --ember:#ff5a1f;
  --ember-soft:rgba(255,90,31,.14);
  --cut:12px;
  --header:68px;
  --max:1280px;
  --sans:'Geist',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'Geist Mono',ui-monospace,'SFMono-Regular',Menlo,monospace;
  --ease:cubic-bezier(.16,1,.3,1);
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--night);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::after{content:"";position:fixed;inset:0;z-index:90;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
img,video{display:block;max-width:100%}
a{color:inherit}
:focus-visible{outline:2px solid var(--ember);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ember);color:var(--night);padding:8px 14px;z-index:100}
.skip:focus{left:8px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
@media (max-width:767px){.wrap{padding:0 16px}}

/* Typo */
h1,h2,h3{font-weight:600;letter-spacing:-.025em;line-height:1.05;margin:0}
.display{font-size:clamp(2.4rem,5.4vw,4.6rem)}
.h2{font-size:clamp(2rem,4vw,3.4rem)}
.h3{font-size:clamp(1.25rem,2vw,1.6rem);letter-spacing:-.015em;line-height:1.2}
.lead{font-size:clamp(1.05rem,1.4vw,1.25rem);color:var(--muted);max-width:60ch}
.muted{color:var(--muted)}
.mono{font-family:var(--mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase}
.ember{color:var(--ember)}
p{margin:0 0 1em}

/* Boutons à angles coupés */
.cut{clip-path:polygon(var(--cut) 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%,0 var(--cut))}
.btn{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font:600 .98rem/1 var(--sans);padding:16px 24px;text-decoration:none;border:0;cursor:pointer;transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease)}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{background:var(--ember);color:#0a0d12}
.btn-primary:hover{background:#ff7442}
.btn-ghost{background:rgba(10,13,18,.35);color:var(--text);box-shadow:inset 0 0 0 1px var(--line-strong);backdrop-filter:blur(6px)}
.btn-ghost:hover{box-shadow:inset 0 0 0 1px var(--text)}
.btn i{font-size:1.1em}
.link{color:var(--text);text-decoration:none;border-bottom:1px solid var(--ember);padding-bottom:2px;transition:color .2s}
.link:hover{color:var(--ember)}

/* Cadre HUD : équerres aux quatre coins */
.hud{--c:var(--line-strong);--l:18px;
  background:
    linear-gradient(var(--c),var(--c)) top left/var(--l) 1px no-repeat,
    linear-gradient(var(--c),var(--c)) top left/1px var(--l) no-repeat,
    linear-gradient(var(--c),var(--c)) top right/var(--l) 1px no-repeat,
    linear-gradient(var(--c),var(--c)) top right/1px var(--l) no-repeat,
    linear-gradient(var(--c),var(--c)) bottom left/var(--l) 1px no-repeat,
    linear-gradient(var(--c),var(--c)) bottom left/1px var(--l) no-repeat,
    linear-gradient(var(--c),var(--c)) bottom right/var(--l) 1px no-repeat,
    linear-gradient(var(--c),var(--c)) bottom right/1px var(--l) no-repeat}

/* En-tête */
.site-header{position:fixed;inset:0 0 auto;height:var(--header);z-index:50;display:flex;align-items:center;transition:background .3s,box-shadow .3s}
.site-header.solid{background:rgba(10,13,18,.82);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%}
.logo{display:inline-block;white-space:pre;text-decoration:none;font-weight:700;font-size:1.32rem;letter-spacing:-.03em;color:var(--text)}
.logo .i{position:relative;display:inline-block}
.logo .i::before{content:"";position:absolute;left:50%;top:.06em;width:.3em;height:.3em;background:var(--ember);transform:translateX(-50%) rotate(45deg)}
.nav{display:flex;align-items:center;gap:26px}
.nav a{font-size:.92rem;text-decoration:none;color:var(--muted);transition:color .2s}
.nav a:hover,.nav a[aria-current="page"]{color:var(--text)}
.nav a[aria-current="page"]{box-shadow:0 1px 0 var(--ember)}
.nav .btn{padding:12px 18px;font-size:.9rem;color:#0a0d12}
.menu-btn{display:none;background:none;border:0;color:var(--text);font-size:1.6rem;cursor:pointer;padding:6px}
@media (max-width:1120px){
  .menu-btn{display:block}
  .nav{position:fixed;inset:var(--header) 0 auto;flex-direction:column;align-items:flex-start;gap:4px;padding:16px 16px 24px;background:rgba(10,13,18,.97);border-bottom:1px solid var(--line);transform:translateY(-8px);opacity:0;pointer-events:none;transition:.25s var(--ease)}
  .nav.open{transform:none;opacity:1;pointer-events:auto}
  .nav a{font-size:1.1rem;padding:10px 0;color:var(--text)}
  .nav .btn{margin-top:10px}
}

/* ====== STORY (landing) ====== */
.story{position:relative;height:1000vh;background:var(--night)}
.stage{position:sticky;top:0;height:100vh;height:100dvh;overflow:hidden}
.stage video,.stage .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:var(--pos,62%) 50%;transition:object-position 1.2s var(--ease)}
.stage .scrim{position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,rgba(10,13,18,.86) 0%,rgba(10,13,18,.55) 34%,rgba(10,13,18,0) 62%),
             linear-gradient(0deg,rgba(10,13,18,.9) 0%,rgba(10,13,18,0) 26%),
             linear-gradient(180deg,rgba(10,13,18,.6) 0%,rgba(10,13,18,0) 18%)}
.hud-top{position:absolute;top:calc(var(--header) + 18px);left:0;right:0;z-index:3}
.hud-top .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px}
.seq{display:flex;align-items:center;gap:14px;color:var(--muted)}
.seq b{color:var(--ember);font-weight:500}
.seq .bar{width:42px;height:1px;background:var(--line-strong)}
.loader{color:var(--muted)}
.chapters{position:absolute;inset:0;z-index:2;pointer-events:none}
.chapter{position:absolute;left:0;right:0;bottom:clamp(120px,19vh,190px)}
.chapter .wrap{max-width:var(--max)}
.chapter .copy{max-width:640px;opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.chapter.is-active .copy{opacity:1;transform:none;pointer-events:auto}
.chapter .mono{color:var(--ember);margin-bottom:16px;display:block}
.chapter h1,.chapter h2{font-size:clamp(2.3rem,5vw,4.4rem);margin-bottom:18px;text-wrap:balance}
.chapter p{font-size:clamp(1.02rem,1.35vw,1.2rem);color:#cfd3d9;max-width:46ch}
.chapter .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.chapter-img{display:none}
.hud-bottom{position:absolute;left:0;right:0;bottom:28px;z-index:3}
.hud-bottom .wrap{display:grid;grid-template-columns:1fr auto;align-items:end;gap:24px}
.sync{display:grid;gap:10px}
.sync-head{display:flex;justify-content:space-between;color:var(--muted)}
.sync-head b{color:var(--text);font-weight:500}
.track{position:relative;height:1px;background:var(--line-strong)}
.track .fill{position:absolute;inset:0 auto 0 0;width:0;background:var(--ember);height:2px;top:-.5px}
.ticks{display:grid;grid-template-columns:repeat(7,1fr);gap:8px}
.ticks span{font-family:var(--mono);font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding-top:8px;border-top:1px solid transparent;transition:color .3s,border-color .3s;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ticks span.on{color:var(--text)}
.ticks span.now{color:var(--ember);border-color:var(--ember)}
.sound{background:rgba(10,13,18,.5);color:var(--muted);border:0;box-shadow:inset 0 0 0 1px var(--line-strong);font:500 .72rem/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;padding:12px 14px;cursor:pointer;display:inline-flex;gap:8px;align-items:center}
.sound[aria-pressed="true"]{color:var(--ember);box-shadow:inset 0 0 0 1px var(--ember)}
@media (max-width:767px){
  .stage .scrim{background:linear-gradient(0deg,rgba(10,13,18,.95) 0%,rgba(10,13,18,.7) 45%,rgba(10,13,18,.1) 75%),linear-gradient(180deg,rgba(10,13,18,.6) 0%,rgba(10,13,18,0) 20%)}
  .chapter{bottom:96px}
  .chapter .ctas{margin-top:18px;gap:10px}
  .chapter .ctas .btn{padding:13px 16px;font-size:.92rem}
  .ticks{display:none}
  .hud-top .loader,.seq .bar{display:none}
  .hud-bottom{bottom:20px}
  .hud-bottom .wrap{grid-template-columns:1fr auto;align-items:center;gap:14px}
  .sound{padding:10px}
  .sound span{display:none}
}
/* Mode statique : mouvement réduit ou sans JS (classe posée sur <html> avant le premier affichage) */
.static-mode .story{height:auto}
.static-mode .story .stage{position:relative;height:auto;overflow:visible}
.static-mode .story video,.static-mode .story .poster,.static-mode .story .scrim,.static-mode .story .hud-top,.static-mode .story .hud-bottom{display:none}
.static-mode .story .chapters{position:relative}
.static-mode .story .chapter{position:relative;bottom:auto;min-height:88vh;display:flex;align-items:flex-end;padding:calc(var(--header) + 40px) 0 72px;overflow:hidden}
.static-mode .story .chapter-img{display:block;position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:62% 50%}
.static-mode .story .chapter::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,13,18,.88),rgba(10,13,18,.3) 65%),linear-gradient(0deg,rgba(10,13,18,.85),transparent 40%)}
.static-mode .story .chapter .wrap{position:relative;z-index:1;width:100%}
.static-mode .story .chapter .copy{opacity:1;transform:none;pointer-events:auto}

/* ====== Sections ====== */
section{position:relative}
.sec{padding:clamp(80px,11vw,150px) 0}
.sec-tight{padding:clamp(60px,8vw,100px) 0}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

.manifesto{text-align:center}
.manifesto .h2{max-width:20ch;margin:0 auto 28px;text-wrap:balance}
.manifesto p{margin:0 auto;max-width:58ch;color:var(--muted);font-size:1.15rem}

.duo{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}
.tile{position:relative;min-height:520px;display:flex;align-items:flex-end;overflow:hidden;text-decoration:none;color:var(--text);isolation:isolate}
.tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform 1.2s var(--ease)}
.tile::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,rgba(10,13,18,.95) 8%,rgba(10,13,18,.15) 70%)}
.tile:hover img{transform:scale(1.04)}
.tile .in-tile{padding:36px;max-width:520px}
.tile .h3{margin-bottom:12px}
.tile p{color:#cfd3d9;margin-bottom:18px}
@media (max-width:900px){.duo{grid-template-columns:1fr}.tile{min-height:440px}.tile .in-tile{padding:24px}}

.rail-head{display:flex;flex-direction:column;gap:18px;margin-bottom:56px;max-width:720px}
.rail{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line)}
.step{position:relative;padding:28px 22px 8px 0}
.step::before{content:"";position:absolute;top:-4px;left:0;width:7px;height:7px;background:var(--ember);transform:rotate(45deg)}
.step .mono{color:var(--muted);display:block;margin-bottom:14px}
.step h3{font-size:1.25rem;margin-bottom:10px}
.step p{color:var(--muted);font-size:.96rem}
.gate{display:inline-block;margin-top:6px;font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ember);box-shadow:inset 0 0 0 1px rgba(255,90,31,.5);padding:5px 8px}
@media (max-width:900px){.rail{grid-template-columns:1fr;border-top:0;border-left:1px solid var(--line);padding-left:22px}.step{padding:0 0 30px}.step::before{left:-26px;top:6px}}

.band{position:relative;overflow:hidden}
.band img{width:100%;height:auto;max-height:640px;object-fit:cover}
.band .over{position:absolute;inset:auto 0 0;padding:48px 0;background:linear-gradient(0deg,rgba(10,13,18,.92),rgba(10,13,18,0))}
.band .over .wrap{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
@media (max-width:767px){.band img{aspect-ratio:4/3}.band .over{position:relative;background:none;padding:28px 0 0}}

.offer{display:grid;grid-template-columns:1fr 1.35fr 1fr;gap:16px;align-items:stretch}
.card{background:var(--surface);padding:34px 30px;display:flex;flex-direction:column;gap:14px}
.card.featured{background:linear-gradient(160deg,#1c1410 0%,var(--surface-2) 55%);box-shadow:inset 0 0 0 1px rgba(255,90,31,.45)}
.card .mono{color:var(--ember)}
.card h3{font-size:1.5rem}
.card p{color:var(--muted);margin:0}
.card ul{list-style:none;padding:0;margin:6px 0 0;display:grid;gap:10px}
.card li{display:flex;gap:10px;color:#cfd3d9;font-size:.96rem}
.card li i{color:var(--ember);margin-top:4px;flex:none}
.card .price{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
@media (max-width:980px){.offer{grid-template-columns:1fr}}

.cases{display:grid;gap:0;border-top:1px solid var(--line)}
.case{display:grid;grid-template-columns:220px 1fr 220px;gap:32px;padding:34px 0;border-bottom:1px solid var(--line);align-items:baseline}
.case h3{font-size:1.4rem}
.case p{color:var(--muted);margin:0;max-width:60ch}
.case .mono{color:var(--ember);text-align:right}
@media (max-width:900px){.case{grid-template-columns:1fr;gap:10px}.case .mono{text-align:left}}

.split{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.split .media{position:relative;overflow:hidden;aspect-ratio:4/3}
.split .media img{width:100%;height:100%;object-fit:cover}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:32px}}

.final{text-align:left;background:radial-gradient(80% 120% at 85% 100%,rgba(255,90,31,.16),transparent 60%),var(--surface)}
.final .wrap{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap}
.final .h2{max-width:16ch}

/* Pages intérieures */
.page-hero{position:relative;min-height:72vh;display:flex;align-items:flex-end;overflow:hidden;padding:calc(var(--header) + 60px) 0 72px;isolation:isolate}
.page-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;object-position:60% 50%}
.page-hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(10,13,18,.92),rgba(10,13,18,.35) 70%),linear-gradient(0deg,rgba(10,13,18,1),transparent 45%)}
.page-hero .mono{color:var(--ember);display:block;margin-bottom:16px}
.page-hero .display{max-width:16ch;margin-bottom:20px;text-wrap:balance}
.page-hero.plain{min-height:auto;padding-bottom:40px}
.page-hero.plain::before{display:none}

.prose{max-width:68ch}
.prose h2{font-size:clamp(1.6rem,2.6vw,2.2rem);margin:56px 0 18px}
.prose p,.prose li{color:#cfd3d9}
.prose ul{padding-left:1.1em}
.prose li{margin-bottom:8px}

.steps-detail{display:grid;gap:16px}
.sd{display:grid;grid-template-columns:260px 1fr 1fr;gap:36px;padding:40px 36px;background:var(--surface)}
.sd .mono{color:var(--ember);display:block;margin-bottom:10px}
.sd h3{font-size:1.6rem}
.sd h4{font:500 .74rem/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}
.sd ul{margin:0;padding-left:1.1em;color:#cfd3d9}
.sd li{margin-bottom:6px}
.sd .gate-row{grid-column:1/-1;display:flex;gap:14px;align-items:center;padding-top:22px;border-top:1px solid var(--line);color:var(--muted)}
@media (max-width:980px){.sd{grid-template-columns:1fr;gap:20px;padding:28px 22px}}

.rules{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.rule{padding:30px;box-shadow:inset 0 0 0 1px var(--line)}
.rule i{color:var(--ember);font-size:1.6rem}
.rule h3{font-size:1.2rem;margin:14px 0 8px}
.rule p{color:var(--muted);margin:0}
.rule.wide{grid-column:1/-1;background:var(--surface);box-shadow:none}
@media (max-width:767px){.rules{grid-template-columns:1fr}}

.tools{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.tool{grid-column:span 2;padding:30px;background:var(--surface);display:flex;flex-direction:column;gap:10px}
.tool.big{grid-column:span 3}
.tool.full{grid-column:1/-1}
.tool i{font-size:1.7rem;color:var(--ember)}
.tool h3{font-size:1.25rem}
.tool p{color:var(--muted);margin:0}
.tool .names{font-family:var(--mono);font-size:.76rem;letter-spacing:.04em;color:var(--text);margin-top:auto;padding-top:14px}
@media (max-width:980px){.tools{grid-template-columns:1fr}.tool,.tool.big,.tool.full{grid-column:auto}}

.faq{display:grid;gap:0;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:22px 0}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;font-weight:600;font-size:1.1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{color:var(--ember);transition:transform .3s var(--ease)}
.faq details[open] summary i{transform:rotate(45deg)}
.faq p{color:var(--muted);margin:14px 0 0;max-width:64ch}

.examples{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.ex{padding:28px;background:var(--surface)}
.ex .mono{color:var(--ember)}
.ex h3{font-size:1.2rem;margin:10px 0 8px}
.ex p{color:var(--muted);margin:0}
@media (max-width:767px){.examples{grid-template-columns:1fr}}

/* Formulaires */
.form{display:grid;gap:22px;max-width:640px}
.field{display:grid;gap:8px}
.field label{font-weight:500}
.field .help{font-size:.88rem;color:var(--muted)}
.field input,.field textarea,.field select{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--line-strong);padding:14px 16px;border-radius:0}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--ember);box-shadow:0 0 0 3px var(--ember-soft)}
.field textarea{min-height:140px;resize:vertical}
.field .err{color:#ff8a66;font-size:.88rem;display:none}
.field.invalid .err{display:block}
.field.invalid input,.field.invalid textarea{border-color:#ff8a66}
.form-note{font-size:.9rem;color:var(--muted)}
.form-ok{display:none;padding:18px 20px;box-shadow:inset 0 0 0 1px rgba(255,90,31,.5);color:var(--text)}
.form-ok.show{display:block}
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:64px}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr;gap:40px}}

/* Pied de page */
.site-footer{border-top:1px solid var(--line);padding:56px 0 40px;color:var(--muted);font-size:.94rem}
.site-footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.site-footer a{text-decoration:none;color:var(--muted)}
.site-footer a:hover{color:var(--text)}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.site-footer .legal{grid-column:1/-1;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:28px;border-top:1px solid var(--line);font-size:.85rem}
@media (max-width:767px){.site-footer .wrap{grid-template-columns:1fr}}

.scramble-char{color:var(--ember)}

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