/* ============================================================
   WANDA — Worlds in One Demo
   Dark chaos-magic theme · scarlet signature · hex motif
   ============================================================ */
:root{
  --bg:#0e0b0d;           /* deep ink ground */
  --bg-2:#140f12;         /* alt sections */
  --card:#1a1419;         /* media / figure cards */
  --card-2:#211a20;       /* raised controls */
  --ink:#f4edef;          /* primary text */
  --ink-2:#b4a9ad;        /* secondary text */
  --ink-3:#7e7378;        /* muted / labels */
  --line:#291f25;         /* hairlines */
  --line-2:#3a2d34;       /* stronger hairlines */
  --scarlet:#c8102e;      /* deep crimson — Scarlet Witch / figure #c0263b family */
  --scarlet-soft:#ff2e4e;  /* hot chaos-energy highlight */
  --scarlet-deep:#7d0b1e;  /* oxblood shadow */
  --scarlet-wash:rgba(200,16,46,.13);
  --scarlet-glow:rgba(232,32,62,.4);
  --violet:#9a7bff;       /* secondary (generated / cross) */
  --violet-soft:#b7a2ff;
  --letterbox:#0a0709;    /* video letterbox (dark in both themes) */
  --head:#ffffff;         /* heading text */
  --radius:18px;
  --radius-sm:11px;
  --maxw:1180px;
  --prose:760px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- LIGHT THEME (same WANDA identity, parchment ground) ---------- */
[data-theme="light"]{
  --bg:#f6f1ea; --bg-2:#efe8dd; --card:#ffffff; --card-2:#f3ece2;
  --ink:#1d1a14; --ink-2:#5b544a; --ink-3:#8d857a; --head:#171210;
  --line:#e7ddcd; --line-2:#d9cdb8;
  --scarlet:#c8142f; --scarlet-soft:#d11f3a; --scarlet-deep:#9c0f24;
  --scarlet-wash:rgba(200,20,47,.10); --scarlet-glow:rgba(200,20,47,.22);
  --violet:#6a4fd0; --violet-soft:#7c5fe0;
}
[data-theme="light"] .nav.scrolled{background:rgba(246,241,234,.82)}
[data-theme="light"] .hero::before{
  background:
    radial-gradient(820px 420px at 16% -8%, rgba(200,20,47,.10), transparent 60%),
    radial-gradient(680px 420px at 92% 2%, rgba(106,79,208,.08), transparent 62%);}
[data-theme="light"] .hx{opacity:.10}
[data-theme="light"] .title{text-shadow:none}
[data-theme="light"] .figure-block img{box-shadow:0 24px 60px -40px rgba(40,28,12,.4)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Inter",system-ui,-apple-system,sans-serif;
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
::selection{background:var(--scarlet-wash);color:#fff}
a{color:inherit;text-decoration:none}
code,pre{font-family:"JetBrains Mono",ui-monospace,monospace}
img{max-width:100%;display:block}
.muted{color:var(--ink-3)}
b,strong{font-weight:600;color:var(--ink)}
em{font-style:italic}

.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.container.narrow{max-width:calc(var(--prose) + 56px)}
.container.wide{max-width:1320px}
.serif{font-family:"Fraunces",Georgia,serif}

/* hex sigil (brand mark) */
.sigil{width:27px;height:27px;object-fit:contain;vertical-align:-8px;margin-right:9px;
  filter:drop-shadow(0 0 8px var(--scarlet-glow))}
.footer .sigil{filter:none}

/* ---------- scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ============================================================
   NAV
   ============================================================ */
.nav{position:sticky;top:0;z-index:100;background:transparent;
  transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(14,11,13,.78);backdrop-filter:saturate(1.3) blur(14px);border-bottom-color:var(--line)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:13px 28px;display:flex;align-items:center;justify-content:space-between}
.brand{font-family:"Fraunces",serif;font-weight:600;font-size:1.16rem;letter-spacing:.02em;color:var(--ink);display:inline-flex;align-items:center}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{font-size:.9rem;font-weight:500;color:var(--ink-2);transition:color .2s;position:relative}
.nav-links a:not(.nav-cta)::after{content:"";position:absolute;left:0;right:0;bottom:-5px;height:1.5px;
  background:var(--scarlet);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
  box-shadow:0 0 8px var(--scarlet-glow)}
.nav-links a:not(.nav-cta):hover,.nav-links a.active{color:var(--ink)}
.nav-links a:not(.nav-cta):hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-cta{font-weight:600;color:var(--ink)!important;border:1px solid var(--line-2);padding:7px 15px;border-radius:999px;transition:.2s}
.nav-cta:hover{border-color:var(--scarlet);color:#fff!important;box-shadow:0 0 18px -4px var(--scarlet-glow)}
@media (max-width:760px){.nav-links a:not(.nav-cta):not([href="#method"]):not([href="#demos"]):not([href="#interactive-viewer"]){display:none}}
.theme-toggle{
  display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;
  border-radius:999px;border:1px solid var(--line-2);background:transparent;color:var(--ink-2);
  cursor:pointer;transition:.2s var(--ease);padding:0;
}
.theme-toggle:hover{color:var(--scarlet);border-color:var(--scarlet);box-shadow:0 0 18px -6px var(--scarlet-glow)}
.theme-toggle svg{width:18px;height:18px}
[data-theme="dark"] .theme-toggle .ic-moon{display:none}
[data-theme="light"] .theme-toggle .ic-sun{display:none}

/* ============================================================
   HERO
   ============================================================ */
.hero{padding:78px 0 0;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(820px 420px at 16% -8%, rgba(255,46,78,.20), transparent 60%),
    radial-gradient(680px 420px at 92% 2%, rgba(154,123,255,.14), transparent 62%),
    radial-gradient(1000px 700px at 50% -20%, rgba(200,16,46,.10), transparent 70%);}
.hero-deco{position:absolute;inset:0;z-index:0;pointer-events:none;color:var(--scarlet);overflow:hidden}
.hx{position:absolute;fill:none;opacity:.16;filter:blur(.3px)}
.hx1{width:340px;height:340px;right:-60px;top:30px;opacity:.13;animation:drift 22s ease-in-out infinite}
.hx2{width:190px;height:190px;right:180px;top:230px;opacity:.10;color:var(--violet);animation:drift 18s ease-in-out infinite reverse}
.hx3{width:120px;height:120px;left:-30px;bottom:120px;opacity:.10;animation:drift 26s ease-in-out infinite}
@keyframes drift{0%,100%{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-18px) rotate(8deg)}}
@media (prefers-reduced-motion:reduce){.hx{animation:none}}
.hero .container{position:relative;z-index:1}
.hero .container.wide{margin-top:56px}

.title{font-family:"Fraunces",serif;font-weight:600;font-size:clamp(3rem,7.4vw,5.7rem);
  line-height:.98;letter-spacing:-.02em;margin:0 0 18px;font-optical-sizing:auto;color:var(--head);
  text-shadow:0 0 60px rgba(255,46,78,.22)}
.subtitle{font-family:"Fraunces",serif;font-style:italic;font-weight:400;
  font-size:clamp(1.15rem,2.6vw,1.6rem);color:var(--ink-2);max-width:720px;margin:0 0 22px;line-height:1.35}

.byline{margin-bottom:30px}
.authors{font-size:1.05rem;font-weight:500;color:var(--ink);line-height:1.7}
.authors a{transition:color .2s;border-bottom:1px solid transparent}
.authors a:hover{color:var(--scarlet-soft);border-bottom-color:var(--scarlet)}
.authors sup{color:var(--scarlet);font-weight:600}
.affil{color:var(--ink-2);margin-top:6px;font-size:.98rem}
.affil-note{color:var(--ink-3);font-size:.84rem;margin-top:3px}
.affil-note sup{color:var(--scarlet)}

.actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:54px}
.btn{display:inline-flex;align-items:center;gap:9px;padding:11px 20px;border-radius:999px;
  font-weight:500;font-size:.95rem;transition:.2s var(--ease);
  background:var(--scarlet);color:#fff;border:1px solid var(--scarlet);
  box-shadow:0 0 0 0 var(--scarlet-glow)}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 28px -6px var(--scarlet-glow)}
.btn .ico{width:17px;height:17px;flex:none}
.btn:nth-child(n+2){background:transparent;color:var(--ink);border-color:var(--line-2);box-shadow:none}
.btn:nth-child(n+2):hover{border-color:var(--scarlet);color:#fff;background:rgba(225,29,58,.08);box-shadow:0 0 22px -8px var(--scarlet-glow)}

/* teaser / media */
.media{width:100%;border-radius:var(--radius);overflow:hidden;background:var(--letterbox);
  border:1px solid var(--line-2);box-shadow:0 40px 90px -50px rgba(225,29,58,.4),0 30px 70px -40px rgba(0,0,0,.7)}
.teaser{aspect-ratio:16/9}
.media video{width:100%;height:100%;object-fit:cover;display:block}
.placeholder{position:relative;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(130% 130% at 50% 0%, #241318, var(--letterbox) 68%)}
.placeholder::after{content:"";position:absolute;inset:0;opacity:.4;pointer-events:none;
  background-image:radial-gradient(rgba(225,29,58,.10) 1px,transparent 1px);background-size:22px 22px}
.ph-inner{position:relative;text-align:center;color:rgba(255,255,255,.72);z-index:1;padding:24px}
.ph-icon{width:72px;height:72px;border-radius:50%;margin:0 auto 18px;display:flex;align-items:center;justify-content:center;
  font-size:1.5rem;color:#fff;background:linear-gradient(135deg,var(--scarlet-soft),var(--scarlet-deep));
  box-shadow:0 0 50px -6px var(--scarlet-glow)}
.ph-title{font-family:"Fraunces",serif;font-weight:500;color:#fff;font-size:1.25rem}
.ph-sub{font-size:.85rem;margin-top:7px;color:rgba(255,255,255,.5)}
.ph-sub code{background:rgba(225,29,58,.12);padding:2px 7px;border-radius:5px;color:var(--scarlet-soft)}

.caption{margin:18px auto 0;max-width:840px;text-align:center;font-size:.95rem;color:var(--ink-2);line-height:1.6}
.caption b{color:var(--ink)}

/* ============================================================
   SECTIONS
   ============================================================ */
.section{padding:108px 0;position:relative}
.section.alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:44px}
.sec-head.center{text-align:center;max-width:780px;margin-left:auto;margin-right:auto}
.sec-eyebrow{display:block;font-family:"JetBrains Mono",monospace;font-size:.76rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--scarlet);margin-bottom:14px}
.sec-eyebrow::before{content:"⬡ ";opacity:.9}
.sec-head h2{font-family:"Fraunces",serif;font-weight:600;letter-spacing:-.015em;
  font-size:clamp(1.9rem,4vw,2.9rem);line-height:1.06;margin:0;color:var(--head)}
.sec-lead{font-size:1.08rem;color:var(--ink-2);margin:18px auto 0;max-width:680px;line-height:1.6}
.sec-head.center .sec-lead{margin-left:auto;margin-right:auto}
.sec-fine{font-family:"JetBrains Mono",monospace;font-size:.72rem;letter-spacing:.02em;color:var(--ink-3);
  margin:14px auto 0;max-width:680px}

.method-block{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));overflow:hidden;
  border:1px solid var(--line);border-left:3px solid var(--scarlet);border-radius:var(--radius-sm);
  background:var(--card);box-shadow:0 18px 50px -44px rgba(0,0,0,.8)}
.method-item{min-width:0;padding:17px 18px 18px;border-left:1px solid var(--line)}
.method-item:first-child{border-left:none}
.method-k{display:block;margin:0 0 8px;font-family:"JetBrains Mono",monospace;
  font-size:.7rem;letter-spacing:.11em;text-transform:uppercase;color:var(--scarlet-soft)}
.method-item p{margin:0;color:var(--ink-2);font-size:.94rem;line-height:1.58}
.viewer-recon-notes{max-width:940px;margin:-14px auto 28px}
@media (max-width:880px){
  .method-block{grid-template-columns:1fr}
  .method-item,.method-item:first-child{border-left:none;border-top:1px solid var(--line)}
  .method-item:first-child{border-top:none}
  .viewer-recon-notes{margin-top:-8px}
}

.standfirst{font-family:"Fraunces",serif;font-weight:400;font-size:clamp(1.3rem,2.8vw,1.7rem);
  line-height:1.4;color:var(--ink);margin:0 0 26px;letter-spacing:-.01em}
.body{font-size:1.06rem;color:var(--ink-2);line-height:1.75;margin:0}

/* key figures band */
.figures{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:52px;border-top:1px solid var(--line)}
.fig{padding:30px 22px 4px;border-left:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.fig:first-child{border-left:none;padding-left:2px}
.fig-n{font-family:"Fraunces",serif;font-weight:500;font-size:clamp(2rem,4.4vw,3rem);line-height:1;
  color:var(--head);letter-spacing:-.02em}
.fig-l{font-size:.84rem;color:var(--ink-3);line-height:1.4}

/* ============================================================
   METHOD — interactive pan/zoom pipeline
   ============================================================ */
.pipeline{margin:0}
.mg-wrap{position:relative;width:100%;aspect-ratio:1640/1026}
.mg-wrap::before{content:"";position:absolute;inset:-4% -3%;z-index:-1;pointer-events:none;
  background:radial-gradient(60% 60% at 50% 42%, var(--scarlet-glow), transparent 72%);filter:blur(26px);opacity:.6}
.mg-scale{position:absolute;top:0;left:0;width:1640px;height:1026px;transform-origin:top left;
  transform:scale(var(--mg-s,.4));border-radius:22px;overflow:hidden;
  box-shadow:0 50px 100px -50px var(--scarlet-glow),0 30px 70px -40px rgba(0,0,0,.7)}
.mg-scale img{cursor:zoom-in}
.mg-pop{position:absolute;z-index:70;border-radius:12px;overflow:hidden;pointer-events:none;
  opacity:0;transform:scale(.92);transform-origin:center;transition:opacity .16s ease,transform .16s ease;
  box-shadow:0 30px 80px rgba(0,0,0,.6);outline:3px solid var(--scarlet);background:#0a0709}
.mg-pop.in{opacity:1;transform:scale(1)}
.mg-pop img{width:100%;height:100%;display:block}
/* chrome strip sits ABOVE the figure — never covers figure content */
.fig-chrome{display:flex;align-items:center;gap:14px;margin:0 0 12px}
.live-badge{display:inline-flex;align-items:center;gap:8px;flex:none;
  background:var(--scarlet-wash);color:var(--scarlet-soft);border:1px solid rgba(200,16,46,.4);
  padding:6px 13px;border-radius:999px;font-family:"JetBrains Mono",monospace;
  font-size:.7rem;font-weight:500;letter-spacing:.15em;text-transform:uppercase}
.live-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--scarlet-soft);
  box-shadow:0 0 9px var(--scarlet-glow);animation:live-pulse 1.8s ease-in-out infinite}
@keyframes live-pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.8)}}
@media (prefers-reduced-motion:reduce){.live-badge::before{animation:none}}
[data-theme="light"] .live-badge{color:var(--scarlet-deep)}
.pz-hint{font-size:.88rem;color:var(--ink-2);margin-right:auto}
.pz-hint::after{content:" — try it";font-style:italic;color:var(--ink-3)}
.pz-btn{width:34px;height:34px;border-radius:9px;cursor:pointer;background:var(--card-2);
  border:1px solid var(--line-2);color:var(--ink);font-size:1.1rem;font-weight:600;line-height:1;
  display:flex;align-items:center;justify-content:center;transition:.15s;flex:none}
.pz-btn:hover{border-color:var(--scarlet);color:var(--scarlet-soft);transform:translateY(-1px);
  box-shadow:0 0 16px -6px var(--scarlet-glow)}
.pz-full{font-size:.95rem}
.fig-shell:fullscreen{background:var(--bg);display:flex;flex-direction:column;justify-content:center;
  padding:22px min(3vw,40px)}
.fig-shell:fullscreen::backdrop{background:var(--bg)}
.fig-shell:fullscreen .mg-wrap{width:min(100%,146vh);margin:0 auto}

/* method steps — hairline list */
.steps{list-style:none;margin:0;padding:0;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:0}
.step{display:flex;gap:20px;padding:30px 30px 30px 0;border-bottom:1px solid var(--line)}
.step:nth-child(odd){border-right:1px solid var(--line);padding-right:40px}
.step:nth-child(even){padding-left:40px}
.step-n{font-family:"JetBrains Mono",monospace;font-size:.85rem;color:var(--scarlet);font-weight:500;flex:none;padding-top:5px}
.step-b h3{font-family:"Fraunces",serif;font-weight:600;font-size:1.22rem;margin:0 0 7px;letter-spacing:-.01em;color:var(--head)}
.step-b p{margin:0;color:var(--ink-2);font-size:.97rem;line-height:1.6}

/* ============================================================
   FIGURE BLOCK
   ============================================================ */
.figure-block{margin:0 0 50px}
.figure-block img{width:100%;border-radius:var(--radius);border:1px solid var(--line-2);background:var(--card);
  box-shadow:0 30px 70px -44px rgba(0,0,0,.8)}
.figure-block .caption{text-align:left;margin-top:14px}

/* ============================================================
   DEMOS
   ============================================================ */
/* segmented control — solid card so the five choices read as buttons, and the
   pinned bar is never transparent. Pins under the nav while scrolling a task's
   1-2-3 flow; sticky is confined to the demos container so it leaves with it. */
.task-tabs{display:flex;gap:5px;justify-content:center;flex-wrap:wrap;margin:0 0 38px;
  position:sticky;top:60px;z-index:60;padding:7px;border-radius:16px;
  background:var(--card);border:1px solid var(--line-2);
  box-shadow:0 14px 34px -24px rgba(0,0,0,.7);
  transition:box-shadow .25s,border-color .25s}
.task-tabs::before{content:"⬡ tasks";align-self:center;font-family:"JetBrains Mono",monospace;
  font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);padding:0 12px 0 10px}
.task-tabs.stuck{border-color:var(--line-2);box-shadow:0 24px 50px -22px rgba(0,0,0,.9),
  0 0 0 6px var(--bg)} /* opaque halo masks content scrolling behind the corners */
.task-tab{background:transparent;border:none;border-radius:10px;color:var(--ink-2);cursor:pointer;padding:9px 12px;
  font-family:"Inter";font-size:.98rem;font-weight:500;text-align:center;
  transition:background .2s,color .2s,box-shadow .2s}
.task-tab:hover{background:var(--card-2);color:var(--ink)}
.task-tab.active{background:linear-gradient(135deg,var(--scarlet-deep),var(--scarlet));color:#fff;
  box-shadow:0 6px 20px -8px var(--scarlet-glow)}

/* all tasks laid out in sequence (ENPIRE-style) — the sticky bar is a jump-nav */
.task-panel{scroll-margin-top:132px} /* clear fixed nav + pinned tab bar on jump */
.task-panel + .task-panel{margin-top:66px;padding-top:58px;border-top:1px solid var(--line)}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.task-head{text-align:center;margin-bottom:32px}
.task-num{display:block;font-family:"JetBrains Mono",monospace;font-size:.7rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--ink-3);margin-bottom:10px}
.task-head h3{font-family:"Fraunces",serif;font-weight:600;font-size:1.7rem;margin:0 0 8px;letter-spacing:-.01em;color:var(--head)}
.task-instr{color:var(--ink-2);max-width:660px;margin:0 auto}
.task-meta{display:inline-flex;gap:8px;align-items:center;margin-top:14px;font-size:.8rem;color:var(--scarlet-soft);
  font-family:"JetBrains Mono",monospace;background:var(--scarlet-wash);border:1px solid var(--line-2);padding:5px 14px;border-radius:999px}

/* flow: primary autonomous rollout viewer */
.flow{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.flow-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:0 24px 50px -40px rgba(0,0,0,.8);transition:border-color .25s,box-shadow .25s}
.flow-card:hover{border-color:var(--line-2);box-shadow:0 24px 60px -40px rgba(225,29,58,.3)}
.flow-card .fc-label{display:flex;align-items:center;gap:11px;padding:14px 18px;border-bottom:1px solid var(--line);font-weight:600;font-size:.95rem;color:var(--ink)}
.fc-step{width:23px;height:23px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:.78rem;
  font-weight:600;color:#fff;background:var(--scarlet);flex:none;font-family:"JetBrains Mono",monospace;box-shadow:0 0 14px -3px var(--scarlet-glow)}
.fc-body{position:relative;aspect-ratio:16/9;background:var(--letterbox)}
.fc-body video{width:100%;height:100%;object-fit:cover;display:block}

.recon-ph{height:100%;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(130% 130% at 50% 0%, #1e1726, var(--letterbox) 70%)}
.recon-ph .ph-inner{padding:18px}
.recon-ph .ph-icon{background:linear-gradient(135deg,var(--violet-soft),#5b4bd0);box-shadow:0 0 50px -6px rgba(154,123,255,.5)}

.interactive{grid-column:1 / -1}
.inter-controls{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-start;padding:16px 18px;border-bottom:1px solid var(--line)}
.ctrl-group{display:flex;flex-direction:column;gap:9px}
.ctrl-title{font-family:"JetBrains Mono",monospace;font-size:.72rem;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-3)}
.chip-row{display:flex;gap:8px;flex-wrap:wrap}
.chip{background:var(--card-2);border:1px solid var(--line-2);color:var(--ink-2);padding:7px 15px;border-radius:9px;
  font-size:.88rem;font-weight:500;cursor:pointer;transition:.16s;display:inline-flex;align-items:center;gap:8px}
.chip:hover{color:var(--ink);border-color:var(--ink-3);box-shadow:0 0 16px -6px var(--scarlet-glow)}
.chip.active{color:#fff;background:var(--scarlet);border-color:var(--scarlet);box-shadow:0 0 18px -5px var(--scarlet-glow)}
.chip.gen.active{background:var(--violet);border-color:var(--violet);box-shadow:0 0 18px -5px rgba(154,123,255,.5)}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--scarlet)}
.chip.gen .dot{background:var(--violet-soft)}
.chip.active .dot{background:rgba(255,255,255,.9)}
.scene-topbar{display:grid;gap:12px;padding:16px 18px 18px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.018),rgba(0,0,0,.035))}
.scene-bar-head{display:grid;gap:5px;min-width:0;padding:10px 12px;border:1px solid var(--line);
  border-radius:10px;background:var(--scarlet-wash);box-shadow:inset 3px 0 0 var(--scarlet)}
.scene-topbar .side-title{color:var(--scarlet-soft);font-size:.84rem;font-weight:700;line-height:1.35}
.scene-topbar .side-hint{color:var(--ink-2);font-size:.84rem}
.inter-stage{display:grid;grid-template-columns:minmax(0,1fr) 164px;align-items:stretch}
.stage-main{position:relative;aspect-ratio:16/9;background:#000}
.stage-main video{width:100%;height:100%;object-fit:contain;display:block;background:#000}
.stage-side{position:relative;border-left:1px solid var(--line);background:rgba(255,255,255,.018)}
.side-scroll{position:absolute;inset:0;padding:12px;display:flex;flex-direction:column;gap:10px;overflow:hidden}
.scene-list{display:flex;gap:12px;overflow-x:auto;overflow-y:hidden;scrollbar-width:thin;padding:1px 2px 5px}
.scene-card{position:relative;flex:none;padding:0;border-radius:10px;overflow:hidden;cursor:pointer;
  width:220px;aspect-ratio:16/10;border:2px solid transparent;background:#000;transition:.16s}
.scene-card img{width:100%;height:100%;object-fit:cover;display:block;
  filter:saturate(.9);transition:filter .16s}
.scene-card:hover img,.scene-card.active img{filter:none}
.scene-card:hover{border-color:var(--line-2)}
.scene-card.active{border-color:var(--scarlet);box-shadow:0 0 16px -4px var(--scarlet-glow)}
.scene-card.gen.active{border-color:var(--violet);box-shadow:0 0 16px -4px rgba(154,123,255,.5)}
.sc-badge{position:absolute;left:7px;bottom:6px;font-family:"JetBrains Mono",monospace;font-size:.62rem;
  letter-spacing:.07em;text-transform:uppercase;color:#fff;background:rgba(0,0,0,.62);
  padding:2px 8px;border-radius:6px;pointer-events:none}
.scene-card.gen .sc-badge{color:#cbb8ff}
.side-title{font-family:"JetBrains Mono",monospace;font-size:.72rem;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-3)}
.side-hint{font-size:.78rem;color:var(--ink-3);line-height:1.45;margin-top:-4px}
.thumbs{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;overflow-y:auto}
.thumbs.strip{display:flex;gap:9px;overflow-x:auto;padding-bottom:2px;scrollbar-width:thin}
.thumbs.strip .thumb,.spatial-list .thumb{width:136px;flex:none}
.spatial-list{display:flex;flex:1;min-height:0;flex-direction:column;gap:9px;overflow-y:auto;overflow-x:hidden;scrollbar-width:thin}
.thumb{position:relative;aspect-ratio:16/9;border-radius:9px;overflow:hidden;cursor:pointer;border:2px solid transparent;background:#000;transition:.16s;padding:0}
.thumb video{width:100%;height:100%;object-fit:cover;display:block;pointer-events:none}
.thumb:hover{border-color:var(--line-2)}
.thumb.active{border-color:var(--scarlet);box-shadow:0 0 16px -4px var(--scarlet-glow)}
.thumb .tnum{position:absolute;left:6px;bottom:5px;font-size:.68rem;font-weight:600;color:#fff;background:rgba(0,0,0,.65);padding:1px 7px;border-radius:6px;font-family:"JetBrains Mono",monospace}
.task-context-strip{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:16px 18px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.018),rgba(0,0,0,.08))}
.context-card{min-width:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:rgba(255,255,255,.025)}
.context-label{padding:11px 13px;border-bottom:1px solid var(--line);font-family:"JetBrains Mono",monospace;
  font-size:.7rem;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3)}
.context-media{aspect-ratio:16/9;background:#000}
.context-media video{display:block;width:100%;height:100%;object-fit:cover}

/* ============================================================
   CROSS-EMBODIMENT
   ============================================================ */
.ce-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:18px}
.ce-card{margin:0}
.ce-video{aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;background:#000;border:1px solid var(--line-2);
  box-shadow:0 30px 60px -44px rgba(0,0,0,.85);transition:border-color .25s,box-shadow .25s}
.ce-video:hover{border-color:var(--violet);box-shadow:0 30px 60px -40px rgba(154,123,255,.3)}
.ce-video video{width:100%;height:100%;object-fit:cover;display:block}
.ce-card figcaption{margin-top:13px;font-size:.95rem;color:var(--ink-2);line-height:1.55}
.ce-tag{display:inline-block;font-family:"JetBrains Mono",monospace;font-size:.7rem;letter-spacing:.06em;
  color:var(--violet-soft);background:rgba(154,123,255,.12);border:1px solid rgba(154,123,255,.28);
  padding:2px 9px;border-radius:999px;margin-right:9px;vertical-align:middle}
.ce-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:40px;border-top:1px solid var(--line)}
.ce-stat{padding:28px 22px 4px;border-left:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.ce-stat:first-child{border-left:none;padding-left:2px}
.ce-n{font-family:"Fraunces",serif;font-weight:500;font-size:clamp(1.9rem,4vw,2.7rem);line-height:1;letter-spacing:-.02em;color:var(--violet-soft)}
.ce-l{font-size:.82rem;color:var(--ink-3);line-height:1.4}

/* ============================================================
   RESULTS
   ============================================================ */
.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--line)}
.result{padding:30px 34px 30px 0;border-bottom:1px solid var(--line)}
.result:nth-child(odd){border-right:1px solid var(--line);padding-right:40px}
.result:nth-child(even){padding-left:40px}
.result h3{font-family:"Fraunces",serif;font-weight:600;font-size:1.25rem;margin:0 0 9px;letter-spacing:-.01em;color:#fff}
.result h3::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--scarlet);
  margin-right:10px;vertical-align:middle;box-shadow:0 0 10px var(--scarlet-glow)}
.result:nth-child(even) h3::before{background:var(--violet);box-shadow:0 0 10px rgba(154,123,255,.5)}
.result p{margin:0;color:var(--ink-2);font-size:.98rem;line-height:1.6}

/* ---------- headline number (gradient ink) ---------- */
.hl-num{background:linear-gradient(100deg,var(--scarlet-soft),var(--scarlet) 45%,var(--violet));
  -webkit-background-clip:text;background-clip:text;color:transparent;font-weight:600}

/* ---------- key insight ---------- */
.idea-lead{font-size:1.02rem;max-width:720px}
.idea-lead .dim,.idea-economics-lead .dim{color:var(--ink-3);text-decoration:line-through;
  text-decoration-color:var(--scarlet);text-decoration-thickness:2px}
.idea-lead em,.idea-economics-lead em{font-style:italic;color:var(--scarlet-soft)}
[data-theme="light"] .idea-lead em,[data-theme="light"] .idea-economics-lead em{color:var(--scarlet-deep)}
.idea-copy{display:grid;gap:24px;max-width:780px;margin:0 auto}
.idea-copy>.body,.idea-economics>.body{text-align:justify;text-align-last:left}
.idea-economics{padding-top:24px;border-top:1px solid var(--line-2)}
.idea-economics-lead{margin:0 0 10px;color:var(--head);font-family:"Fraunces",serif;
  font-size:1.12rem;line-height:1.45;letter-spacing:-.005em}
.method-steps{max-width:940px;margin:34px auto 0}

/* ---------- worlds proof (copy + scene chart) ---------- */
.worlds-proof{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center;margin-top:14px}
.worlds-copy h3{font-family:"Fraunces",serif;font-weight:600;font-size:1.45rem;letter-spacing:-.01em;
  color:var(--head);margin:0 0 12px}
.worlds-copy p{margin:0 0 14px;color:var(--ink-2);font-size:.98rem;line-height:1.65}
.worlds-punch{border-left:3px solid var(--scarlet);padding-left:16px}
.worlds-punch b{color:var(--scarlet-soft)}

/* ---------- cross-embodiment compare ---------- */
.ce-compare{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;margin:0 0 44px}
.ce-compare img{width:100%;border-radius:var(--radius);background:#fdfbf9;border:1px solid var(--line);
  padding:18px;box-shadow:0 30px 70px -48px rgba(0,0,0,.8)}
[data-theme="light"] .ce-compare img{border-color:var(--line-2)}
.ce-compare-copy h3{font-family:"Fraunces",serif;font-weight:600;font-size:1.45rem;letter-spacing:-.01em;
  color:var(--head);margin:0 0 16px}
.ce-diff{list-style:none;margin:0 0 18px;padding:0;border-top:1px solid var(--line)}
.ce-diff li{display:flex;align-items:baseline;gap:14px;padding:10px 0;border-bottom:1px solid var(--line);
  font-size:.95rem;color:var(--ink)}
.ce-diff li span{font-family:"JetBrains Mono",monospace;font-size:.72rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--violet-soft);flex:0 0 86px}
[data-theme="light"] .ce-diff li span{color:var(--violet)}
.ce-diff li em{font-style:italic;color:var(--ink-3);padding:0 2px}
.ce-compare-copy p{margin:0;color:var(--ink-2);font-size:.95rem;line-height:1.62}

/* ---------- results wrap ---------- */
.results-wrap{max-width:920px;margin:0 auto}
.results-wrap .chart-duo{margin-top:56px}

@media (max-width:880px){
  .worlds-proof{grid-template-columns:1fr;gap:30px}
  .ce-compare{grid-template-columns:1fr;gap:26px}
}

/* ---------- charts (hand-rolled bars, animate on view) ---------- */
.chart{margin:34px 0 8px}
.chart-title{font-family:"JetBrains Mono",monospace;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-3);margin:0 0 18px}
.chart-title b{color:var(--scarlet-soft);font-weight:500}
.bar-group{margin:0 0 18px}
.bar-group-avg{margin-top:26px;padding-top:20px;border-top:1px solid var(--line-2)}
.bar-row{display:grid;grid-template-columns:172px 1fr;align-items:center;gap:14px;margin:0 0 6px}
.bar-label{font-size:.9rem;font-weight:500;color:var(--ink-2);line-height:1.25;text-align:right}
.bar-avg .bar-label{color:var(--ink);font-weight:600}
.bar-note{display:block;font-style:normal;font-size:.72rem;color:var(--ink-3)}
.bar-track{position:relative;height:26px;background:var(--card);border-radius:7px;overflow:hidden;
  border:1px solid var(--line)}
.bar-fill{position:relative;height:100%;width:0;border-radius:6px 0 0 6px;display:flex;align-items:center;
  justify-content:flex-end;transition:width 1.1s var(--ease)}
.chart.in .bar-fill{width:var(--w)}
.bar-fill.scarlet{background:linear-gradient(90deg,var(--scarlet-deep),var(--scarlet) 55%,var(--scarlet-soft));
  box-shadow:0 0 16px -4px var(--scarlet-glow)}
.bar-fill.violet{background:linear-gradient(90deg,#5d43b8,var(--violet));box-shadow:0 0 14px -5px rgba(154,123,255,.45)}
.bar-fill.gray{background:var(--line-2)}
.bar-fill.dim{background:repeating-linear-gradient(-45deg,var(--line),var(--line) 5px,var(--card-2) 5px,var(--card-2) 10px)}
.bar-val{font-family:"JetBrains Mono",monospace;font-size:.74rem;font-weight:500;color:#fff;padding:0 8px;white-space:nowrap}
.bar-fill.bar-out .bar-val{position:absolute;left:100%;top:50%;transform:translateY(-50%);padding:0 0 0 9px;
  color:var(--ink-2)}
.bar-fill.gray .bar-val,.bar-fill.dim .bar-val{color:var(--ink-2)}
[data-theme="light"] .bar-fill.gray .bar-val{color:#4a443c}
.bar-scene{position:absolute;right:10px;top:50%;transform:translateY(-50%);
  font-family:"JetBrains Mono",monospace;font-size:.68rem;color:var(--ink-3);pointer-events:none}
.bar-legend{display:flex;gap:26px;flex-wrap:wrap;margin-top:20px;font-size:.82rem;color:var(--ink-2)}
.bar-legend .sw{display:inline-block;width:15px;height:9px;border-radius:3px;margin-right:8px}
.bar-legend .sw.scarlet{background:linear-gradient(90deg,var(--scarlet),var(--scarlet-soft))}
.bar-legend .sw.gray{background:var(--line-2)}
.bar-zero{margin-top:22px;padding:13px 18px;border:1px dashed var(--line-2);border-radius:var(--radius-sm);
  font-size:.9rem;color:var(--ink-3)}
.bar-zero b{color:var(--scarlet-soft);font-family:"JetBrains Mono",monospace;font-weight:500}
.chart-caption{margin:16px 0 0;font-size:.85rem;color:var(--ink-3);line-height:1.55}
.chart-duo{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
@media (max-width:880px){
  .chart-duo{grid-template-columns:1fr;gap:34px}
  .bar-row{grid-template-columns:118px 1fr;gap:10px}
  .bar-label{font-size:.8rem}
}

/* ============================================================
   CITATION
   ============================================================ */
.cite{background:var(--card);color:var(--ink);border-radius:var(--radius);border:1px solid var(--line-2);
  border-left:3px solid var(--scarlet);padding:24px 26px;overflow-x:auto;font-size:.86rem;line-height:1.7;
  box-shadow:0 30px 60px -44px rgba(0,0,0,.8)}
.cite code{white-space:pre;color:var(--ink)}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{padding:46px 0;border-top:1px solid var(--line);background:var(--bg-2)}
.foot-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}
.footer .brand{font-size:1.05rem;display:inline-flex;align-items:center}
.footer .muted{font-size:.9rem}
.foot-note{margin:18px 0 0;font-family:"Fraunces",serif;font-style:italic;font-size:.95rem;color:var(--ink-3);max-width:640px;line-height:1.55}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:880px){
  body{font-size:16px}
  .section{padding:76px 0}
  .figures{grid-template-columns:1fr 1fr}
  .fig{border-left:none;border-top:1px solid var(--line);padding-left:2px}
  .fig:nth-child(2n){border-left:1px solid var(--line);padding-left:22px}
  .fig:nth-child(-n+2){border-top:none}
  .steps{grid-template-columns:1fr}
  .step,.step:nth-child(odd),.step:nth-child(even){border-right:none;padding:26px 0}
  .result-grid{grid-template-columns:1fr}
  .result,.result:nth-child(odd),.result:nth-child(even){border-right:none;padding:24px 0}
  .ce-grid{grid-template-columns:1fr}
  .ce-stats{grid-template-columns:1fr 1fr}
  .ce-stat{border-left:none;border-top:1px solid var(--line);padding-left:2px}
  .ce-stat:nth-child(2n){border-left:1px solid var(--line);padding-left:22px}
  .ce-stat:nth-child(-n+2){border-top:none}
  .flow{grid-template-columns:1fr}
  .scene-bar-head{gap:4px}
  .inter-stage{grid-template-columns:1fr}
  .task-context-strip{grid-template-columns:1fr}
  .thumbs{grid-template-columns:repeat(3,1fr)}
  .stage-side{border-left:none;border-top:1px solid var(--line)}
  .side-scroll{position:static;padding:16px 18px}
  .spatial-list{flex-direction:row;overflow-y:hidden;overflow-x:auto}
}
@media (max-width:520px){
  .brand{font-size:1rem}
  .nav-inner{padding:11px 18px}
  .nav-links{gap:13px}
  .nav-links a[href="#method"]{display:none}
  .nav-cta{padding:6px 12px;white-space:nowrap}
  .figures{grid-template-columns:1fr 1fr}
  .thumbs{grid-template-columns:repeat(2,1fr)}
  .actions .btn{flex:1 1 auto;justify-content:center}
  .task-tab{margin:0 7px}
}