/* ==========================================================
   JARVIS landing · skeleton
   ========================================================== */

:root{
  --bg:#FAFAFA;
  --bg-pure:#FFFFFF;
  --ink:#08080A;
  --ink-2:#1D1D1F;
  --grey:#6E6E73;
  --grey-2:#A1A1A6;
  --line:#E6E6E9;
  --line-2:#F0F0F2;
  --jarvis:#5B5BD6;
  --jarvis-soft:#EDEDFB;

  --ease:cubic-bezier(.22,.61,.36,1);
  --pad:clamp(20px,5vw,72px);
  --max:1240px;

  --f-xxl:clamp(40px,8.2vw,124px);
  --f-xl:clamp(34px,6.2vw,92px);
  --f-lg:clamp(30px,4.8vw,70px);
  --f-md:clamp(26px,3.6vw,54px);
}

*,*::before,*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul{margin:0;padding:0;list-style:none}

/* ================== PROGRESS ================== */
.progress{
  position:fixed;inset:0 0 auto 0;height:2px;z-index:60;
  background:transparent;pointer-events:none;
}
.progress span{
  display:block;height:100%;width:0%;
  background:var(--jarvis);
  transform-origin:left center;
}

/* ================== NAV ================== */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px var(--pad);
  backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  background:rgba(250,250,250,.72);
  border-bottom:1px solid transparent;
  transition:border-color .4s var(--ease),background .4s var(--ease);
}
.nav.is-scrolled{border-bottom-color:var(--line)}
.nav__brand{
  font-size:15px;font-weight:600;letter-spacing:.22em;
}
.nav__right{display:flex;align-items:center;gap:22px}

.lang{display:flex;align-items:center;gap:8px}
.lang__btn{
  font-size:12px;font-weight:500;letter-spacing:.08em;
  color:var(--grey-2);padding:4px 2px;transition:color .3s var(--ease);
}
.lang__btn:hover{color:var(--ink)}
.lang__btn.is-active{color:var(--ink)}
.lang__sep{width:1px;height:11px;background:var(--line)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink);color:#fff;border-radius:999px;
  font-weight:500;letter-spacing:-.01em;white-space:nowrap;
  transition:transform .4s var(--ease),background .4s var(--ease),opacity .4s var(--ease);
}
.btn:hover{transform:translateY(-1px);background:var(--jarvis)}
.btn--sm{font-size:13px;padding:9px 18px}
.btn--lg{font-size:16px;padding:16px 34px}

/* ================== SCENE RAIL ================== */
.rail{
  position:fixed;right:22px;top:50%;transform:translateY(-50%);
  z-index:45;display:flex;flex-direction:column;gap:9px;
}
.rail__dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--line);transition:all .35s var(--ease);
}
.rail__dot.is-on{background:var(--ink);transform:scale(1.5)}
.rail__dot:hover{background:var(--jarvis)}
@media(max-width:900px){.rail{display:none}}

/* ================== STAGE ================== */
.stage{
  position:fixed;inset:0;z-index:1;
  pointer-events:none;overflow:hidden;
  perspective:1200px;
}
.prop{
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;
  will-change:opacity,transform;
}

/* ---- PROP A : logo field ---- */
.prop--logos{}
.logoField{
  position:absolute;inset:0;
  transform-style:preserve-3d;
}
.logo-chip{
  position:absolute;
  width:var(--s,74px);height:var(--s,74px);
  margin:calc(var(--s,74px) / -2);
  display:flex;align-items:center;justify-content:center;
  background:var(--bg-pure);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:0 12px 34px -20px rgba(8,8,10,.28);
  will-change:transform,opacity;
}
.logo-chip__mark{
  font-size:calc(var(--s,74px) * .3);
  font-weight:600;letter-spacing:-.02em;
  color:var(--grey-2);
}
.logo-chip img{width:56%;height:56%;object-fit:contain}
.logoLinks{
  position:absolute;inset:0;width:100%;height:100%;
  overflow:visible;
}
.logoLinks line{
  stroke:var(--ink);stroke-width:1;
  vector-effect:non-scaling-stroke;opacity:.16;
}
.jarvisLinks{
  position:absolute;inset:0;width:100%;height:100%;
  overflow:visible;
}
.jarvisLinks path{
  fill:none;stroke:var(--jarvis);
  stroke-width:1;stroke-linecap:round;
  vector-effect:non-scaling-stroke;opacity:.5;
}

/* ---- PROP B/H : video placeholders ---- */
.prop--video{padding:0 var(--pad)}
.videoFrame{
  position:relative;margin:0;
  width:min(1120px,100%);aspect-ratio:16/9;
  border-radius:26px;overflow:hidden;
  background:#0E0E11;
  box-shadow:0 60px 120px -60px rgba(8,8,10,.55);
}
.videoFrame__ph{
  position:absolute;inset:0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:radial-gradient(120% 100% at 50% 0%,#1A1A20 0%,#0B0B0E 70%);
  color:#fff;text-align:center;padding:24px;
}
.videoFrame__ph--light{
  background:radial-gradient(120% 100% at 50% 0%,#F4F4F6 0%,#E4E4E9 75%);
  color:var(--ink);
}
.ph__tag{font-size:12px;letter-spacing:.3em;font-weight:600;opacity:.75}
.ph__ratio{font-size:clamp(16px,2vw,24px);font-weight:300;letter-spacing:-.01em}
.ph__path{font-size:11px;letter-spacing:.05em;opacity:.42;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.videoFrame__grain{
  position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:3px 3px;mix-blend-mode:overlay;
}
@media(max-width:700px){
  .videoFrame{aspect-ratio:9/16;max-height:66vh;width:auto;margin-inline:auto;border-radius:22px}
}

/* ---- PROP C : update card ---- */
.ucard{
  width:min(520px,100%);
  background:var(--bg-pure);
  border:1px solid var(--line);
  border-radius:28px;
  padding:34px 34px 30px;
  box-shadow:0 50px 100px -55px rgba(8,8,10,.4);
}
.ucard__top{display:flex;align-items:center;gap:9px;margin-bottom:26px}
.ucard__dot{width:7px;height:7px;border-radius:50%;background:var(--jarvis)}
.ucard__label{font-size:12px;letter-spacing:.18em;font-weight:600;color:var(--grey)}
.ucard__version{
  display:flex;align-items:center;gap:14px;
  font-size:clamp(20px,2.4vw,28px);font-weight:500;letter-spacing:-.02em;
  margin-bottom:26px;
}
.ucard__from{color:var(--grey-2)}
.ucard__arrow{
  flex:0 0 auto;width:26px;height:1px;background:var(--line);position:relative;
}
.ucard__arrow::after{
  content:"";position:absolute;right:0;top:-3px;
  width:7px;height:7px;border-top:1px solid var(--grey-2);border-right:1px solid var(--grey-2);
  transform:rotate(45deg);
}
.ucard__bar{
  height:4px;border-radius:99px;background:var(--line-2);overflow:hidden;
}
.ucard__bar i{display:block;height:100%;width:0%;background:var(--jarvis);border-radius:99px}
.ucard__pct{
  margin-top:10px;font-size:12px;color:var(--grey);
  font-variant-numeric:tabular-nums;letter-spacing:.04em;
}
.ucard__list{margin-top:26px;display:grid;gap:14px}
.ustep{
  display:flex;align-items:center;gap:12px;
  font-size:14px;color:var(--grey);opacity:.3;
}
.ustep i{
  width:16px;height:16px;border-radius:50%;
  border:1px solid var(--line);flex:0 0 auto;position:relative;
}
.ustep.is-done{opacity:1;color:var(--ink-2)}
.ustep.is-done i{background:var(--jarvis);border-color:var(--jarvis)}
.ustep.is-done i::after{
  content:"";position:absolute;left:5px;top:3px;
  width:4px;height:7px;border:solid #fff;border-width:0 1.5px 1.5px 0;
  transform:rotate(45deg);
}
@media(max-width:700px){.ucard{padding:26px 22px}}

/* ---- PROP D : orb (canvas particules, assets/jarvis/orbe.js) ---- */
.orb{position:relative;width:min(46vmin,420px);aspect-ratio:1}
.orb__canvas{
  position:absolute;inset:0;
  width:100%;height:100%;
  display:block;
}
.orb__halo{
  position:absolute;inset:-18%;border-radius:50%;
  background:radial-gradient(circle,rgba(91,91,214,.14) 0%,rgba(91,91,214,0) 62%);
  z-index:-1;
}

/* ---- PROP E : app UI ---- */
.prop--ui{padding:0 var(--pad)}
.app{
  width:min(1080px,100%);
  display:grid;grid-template-columns:216px 1fr;
  background:var(--bg-pure);
  border:1px solid var(--line);
  border-radius:22px;overflow:hidden;
  box-shadow:0 60px 120px -70px rgba(8,8,10,.45);
}
.app__side{padding:20px 16px;border-right:1px solid var(--line-2);background:#FCFCFD}
.app__logo{
  display:flex;align-items:center;gap:9px;
  font-size:12px;font-weight:600;letter-spacing:.18em;margin-bottom:24px;
}
.app__logo span{width:8px;height:8px;border-radius:50%;background:var(--jarvis)}
.app__nav{display:grid;gap:4px}
.app__item{
  font-size:13px;color:var(--grey);padding:9px 11px;border-radius:9px;
}
.app__item:first-child{background:var(--jarvis-soft);color:var(--jarvis);font-weight:500}
.app__main{padding:20px 22px 24px}
.app__top{display:flex;align-items:center;gap:10px;margin-bottom:20px}
.app__title{font-size:15px;font-weight:600;letter-spacing:-.01em;margin-right:auto}
.app__chip{width:64px;height:26px;border-radius:99px;background:var(--line-2)}
.app__chip--w{width:26px}
.app__kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}
.kpi{
  border:1px solid var(--line-2);border-radius:14px;padding:14px;
  display:grid;gap:6px;
}
.kpi em{font-style:normal;font-size:11px;color:var(--grey-2);letter-spacing:.03em}
.kpi b{font-size:22px;font-weight:600;letter-spacing:-.02em}
.app__rows{display:grid;gap:9px}
.row{display:grid;grid-template-columns:1.6fr 1fr .6fr;gap:12px;align-items:center}
.row i{height:9px;border-radius:99px;background:var(--line-2);display:block}
.row i:nth-child(3){background:var(--jarvis-soft)}
@media(max-width:860px){
  .app{grid-template-columns:1fr}
  .app__side{border-right:0;border-bottom:1px solid var(--line-2)}
  .app__nav{grid-auto-flow:column;grid-auto-columns:max-content;overflow:hidden}
  .app__kpis{grid-template-columns:repeat(2,1fr)}
}

/* ---- PROP F : flow ---- */
.prop--flow{padding:0 var(--pad)}
.flow{
  position:relative;width:min(1100px,100%);
  display:grid;grid-template-columns:repeat(6,1fr);
  gap:clamp(10px,2vw,26px);align-items:center;
}
.node{
  position:relative;z-index:2;
  background:var(--bg-pure);border:1px solid var(--line);
  border-radius:15px;padding:18px 10px;text-align:center;
  font-size:clamp(11px,1.15vw,14px);font-weight:500;letter-spacing:-.01em;
  box-shadow:0 20px 44px -34px rgba(8,8,10,.4);
}
.flowLinks{position:absolute;inset:0;width:100%;height:100%;z-index:1;overflow:visible}
.flowLinks path{fill:none;stroke:var(--jarvis);stroke-width:1.5;vector-effect:non-scaling-stroke}
@media(max-width:820px){
  .flow{grid-template-columns:1fr;gap:10px}
  .node{padding:13px 10px}
}

/* ---- PROP G : sectors ---- */
.prop--sectors{padding:0 var(--pad)}
.sectors{
  position:relative;width:min(760px,100%);aspect-ratio:1;max-height:72vh;
  display:flex;align-items:center;justify-content:center;
}
.sectors__core{
  position:relative;z-index:3;
  display:flex;align-items:center;justify-content:center;
  width:clamp(110px,17vmin,160px);aspect-ratio:1;border-radius:50%;
  background:var(--bg-pure);border:1px solid var(--line);
  font-size:11px;font-weight:600;letter-spacing:.2em;color:var(--jarvis);
  box-shadow:0 30px 60px -40px rgba(8,8,10,.4);
}
.sector{
  position:absolute;z-index:2;left:50%;top:50%;
  transform:translate(-50%,-50%);
  padding:11px 17px;border-radius:99px;
  background:var(--bg-pure);border:1px solid var(--line);
  font-size:clamp(11px,1.2vw,13px);font-weight:500;white-space:nowrap;
  box-shadow:0 18px 40px -32px rgba(8,8,10,.4);
}
.sectorLinks{position:absolute;inset:0;width:100%;height:100%;z-index:1;overflow:visible}
.sectorLinks line{stroke:var(--jarvis);stroke-width:1;opacity:.35;vector-effect:non-scaling-stroke}

/* ================== SCENES ================== */
main{position:relative;z-index:2}

.scene{
  position:relative;
  height:calc(var(--vh,200) * 1vh);
}
.sticky{
  position:sticky;top:0;height:100vh;height:100svh;
  display:flex;padding:0 var(--pad);
  pointer-events:none;
}
.copy{
  width:100%;max-width:var(--max);margin:0 auto;
  display:flex;flex-direction:column;
}
.copy > *{pointer-events:auto}
.copy--center{justify-content:center;align-items:center;text-align:center}
.copy--wide{max-width:1400px}
.copy--top{justify-content:flex-start;padding-top:clamp(96px,14vh,150px);align-items:center;text-align:center}
.copy--bottom{justify-content:flex-end;padding-bottom:clamp(60px,10vh,110px);align-items:center;text-align:center}

.eyebrow{
  font-size:11px;letter-spacing:.34em;font-weight:600;color:var(--grey-2);
  margin-bottom:22px;display:block;
}
.h-xxl{font-size:var(--f-xxl)}
.h-xl{font-size:var(--f-xl)}
.h-lg{font-size:var(--f-lg)}
.h-md{font-size:var(--f-md)}
.h-xxl,.h-xl,.h-lg,.h-md{
  margin:0;font-weight:500;line-height:1.04;letter-spacing:-.035em;
  max-width:16ch;text-wrap:balance;
}
.copy--wide .h-xxl{max-width:20ch}
.copy--top .h-md,.copy--top .h-lg{max-width:22ch}

.w{display:inline-block;will-change:transform,opacity}

.copy__sub{
  margin:18px 0 0;
  font-size:clamp(14px,1.35vw,18px);
  line-height:1.5;letter-spacing:-.01em;
  color:var(--grey);max-width:44ch;
}

/* final */
.final{gap:26px}
.final__word{
  font-size:12px;letter-spacing:.42em;font-weight:600;color:var(--jarvis);
}
.final__sub{
  margin:0;font-size:13px;color:var(--grey-2);letter-spacing:-.01em;max-width:34ch;
}

/* ================== FOOT ================== */
.foot{
  position:relative;z-index:2;
  display:flex;justify-content:space-between;align-items:center;
  padding:28px var(--pad);
  border-top:1px solid var(--line);
  background:var(--bg);
  font-size:12px;color:var(--grey-2);letter-spacing:.04em;
}
.foot span:first-child{font-weight:600;letter-spacing:.2em;color:var(--grey)}

/* ================== REDUCED MOTION ================== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .prop{transition:opacity .3s linear}
}