/* ============================================================
   ELECTRIC PURPLE / GLASS — shared theme
   used by sauron-electric, window.magic, the scroller demo, hub
   ============================================================ */

:root{
  --void:#05030b;
  --ink:#0a0614;
  --plum:#140a26;
  --panel:rgba(26,14,48,.55);
  --glass:rgba(34,18,62,.34);
  --glass-2:rgba(48,24,84,.28);
  --violet:#8b5cf6;
  --electric:#a855f7;
  --neon:#e879f9;
  --magenta:#ff4fd8;
  --cyan:#22d3ee;
  --text:#f1ecff;
  --muted:#a99cc4;
  --dim:#7b6f96;
  --line:rgba(168,85,247,.26);
  --line-strong:rgba(196,132,252,.5);
  --glow:0 0 60px rgba(168,85,247,.38);
  --glow-soft:0 0 120px rgba(139,92,246,.22);
  --radius:18px;
  --radius-lg:26px;
  --frame-inset:10px;
  --bar-h:44px;
  --font:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:auto;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:var(--void);
  line-height:1.65;
  overflow-x:hidden;
  padding-top:calc(var(--bar-h) + var(--frame-inset) * 2);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--neon);text-decoration:none}
button{font:inherit}
::selection{background:rgba(232,121,249,.35);color:#fff}

/* ---------- ambient background ---------- */
body::before{
  content:"";
  position:fixed;inset:0;z-index:-3;
  background:
    radial-gradient(60vw 60vw at 12% -8%, rgba(139,92,246,.20), transparent 62%),
    radial-gradient(52vw 52vw at 92% 8%, rgba(232,121,249,.14), transparent 60%),
    radial-gradient(70vw 70vw at 50% 112%, rgba(34,211,238,.10), transparent 64%),
    linear-gradient(180deg,#05030b 0%,#08040f 40%,#05030b 100%);
}
/* grid */
body::after{
  content:"";
  position:fixed;inset:0;z-index:-2;pointer-events:none;
  background-image:
    linear-gradient(rgba(168,85,247,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168,85,247,.055) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse at 50% 30%, #000 20%, transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 30%, #000 20%, transparent 78%);
}
/* mouse spotlight (driven by scroller.js) */
.spotlight{
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(420px 420px at var(--mx,50%) var(--my,40%), rgba(168,85,247,.13), transparent 70%);
  transition:opacity .4s;
}
/* film grain */
.grain{
  position:fixed;inset:0;z-index:900;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E");
}

/* ---------- giant browser-window chrome ---------- */
.winframe{
  position:fixed;inset:var(--frame-inset);z-index:950;pointer-events:none;
  border:1px solid rgba(168,85,247,.32);
  border-radius:16px;
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,.03),
    0 0 0 1px rgba(0,0,0,.5),
    0 30px 120px rgba(88,28,135,.28);
}
.winframe::before{ /* top electric hairline */
  content:"";position:absolute;left:12%;right:12%;top:-1px;height:1px;
  background:linear-gradient(90deg,transparent,var(--neon),var(--cyan),transparent);
  opacity:.9;
}
.winframe::after{ /* bottom hairline */
  content:"";position:absolute;left:20%;right:20%;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(168,85,247,.8),transparent);
}
.winbar{
  position:fixed;top:var(--frame-inset);left:var(--frame-inset);right:var(--frame-inset);
  height:var(--bar-h);z-index:960;
  display:flex;align-items:center;gap:14px;
  padding:0 14px;
  border-bottom:1px solid rgba(168,85,247,.18);
  border-radius:16px 16px 0 0;
  background:rgba(10,5,20,.72);
  backdrop-filter:blur(18px) saturate(1.3);
  -webkit-backdrop-filter:blur(18px) saturate(1.3);
  font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--dim);
  pointer-events:none;
}
.winbar .dots{display:flex;gap:6px}
.winbar .dots i{width:9px;height:9px;border-radius:50%;background:#2a1b45;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}
.winbar .dots i:nth-child(1){background:#ff5f57}
.winbar .dots i:nth-child(2){background:#febc2e}
.winbar .dots i:nth-child(3){background:#28c840}
.winbar .url{
  flex:1;display:flex;align-items:center;gap:8px;justify-content:center;
  color:var(--muted);
}
.winbar .url b{color:var(--neon);font-weight:600}
.winbar .url .lock{color:var(--cyan);opacity:.8}
.winbar .pct{color:var(--electric);min-width:42px;text-align:right;font-variant-numeric:tabular-nums}
.winbar .pct::after{content:"%"}
.winbar .clock{color:var(--dim);display:none}
@media(min-width:820px){.winbar .clock{display:block}}

/* progress rail down the right edge */
.winrail{
  position:fixed;right:calc(var(--frame-inset) + 4px);top:calc(var(--frame-inset) + var(--bar-h) + 18px);
  bottom:calc(var(--frame-inset) + 18px);width:3px;z-index:940;pointer-events:none;
  border-radius:3px;background:rgba(168,85,247,.12);overflow:visible;
}
.winrail i{
  display:block;width:100%;height:0%;
  background:linear-gradient(180deg,var(--cyan),var(--electric),var(--neon));
  box-shadow:0 0 12px rgba(232,121,249,.9);
  transition:height .08s linear;
}
.winrail::after{ /* thumb dot */
  content:"";position:absolute;left:50%;transform:translate(-50%,0);
  width:9px;height:9px;border-radius:50%;background:#fff;
  box-shadow:0 0 14px var(--neon);
  top:calc(var(--p,0) * 1% - 4px);
}
/* chapter ticks, injected by scroller.js */
.winrail b{
  position:absolute;left:50%;width:9px;height:2px;border-radius:2px;
  transform:translate(-50%,-1px);
  background:rgba(168,85,247,.4);
  transition:background .35s,box-shadow .35s,width .35s;
}
.winrail b.on{
  width:15px;background:var(--neon);
  box-shadow:0 0 10px var(--neon),0 0 24px rgba(232,121,249,.6);
}

/* ---------- layout ---------- */
.wrap{width:min(1180px,92vw);margin-inline:auto}
.section{position:relative;padding:clamp(64px,9vw,128px) 0}
.section-head{max-width:720px;margin-bottom:clamp(28px,4vw,48px)}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--electric);margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--neon),transparent)}
.display{
  font-size:clamp(2.2rem,5.6vw,4.4rem);
  line-height:1.02;letter-spacing:-.03em;font-weight:800;margin:0 0 .35em;
}
.display .grad{
  background:linear-gradient(100deg,var(--neon) 0%,var(--electric) 42%,var(--cyan) 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  filter:drop-shadow(0 0 26px rgba(168,85,247,.35));
}
h2.section-title{font-size:clamp(1.8rem,3.6vw,2.9rem);line-height:1.08;letter-spacing:-.02em;margin:0 0 .4em}
.lede{font-size:clamp(1rem,1.5vw,1.2rem);color:var(--muted);max-width:62ch}
.mono{font-family:var(--mono)}
.muted{color:var(--muted)}
.dim{color:var(--dim)}

/* ---------- glass ---------- */
.glass{
  position:relative;
  background:linear-gradient(160deg,var(--glass),var(--glass-2));
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(16px) saturate(1.25);
  -webkit-backdrop-filter:blur(16px) saturate(1.25);
  box-shadow:0 20px 60px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
}
.glass::before{ /* sheen */
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(150deg,rgba(255,255,255,.09),transparent 34%,transparent 68%,rgba(232,121,249,.06));
}
.glass-hover{transition:transform .45s cubic-bezier(.2,.7,.2,1),border-color .45s,box-shadow .45s}
.glass-hover:hover{
  transform:translateY(-6px);
  border-color:var(--line-strong);
  box-shadow:0 28px 80px rgba(0,0,0,.5), 0 0 50px rgba(168,85,247,.22), inset 0 1px 0 rgba(255,255,255,.09);
}

/* ---------- buttons ---------- */
.btn{
  --b1:var(--electric);--b2:var(--neon);
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:12px;border:1px solid transparent;
  font-weight:700;font-size:.95rem;letter-spacing:.01em;cursor:pointer;
  color:#0a0512;background:linear-gradient(100deg,var(--b1),var(--b2));
  box-shadow:0 10px 34px rgba(168,85,247,.35), inset 0 1px 0 rgba(255,255,255,.35);
  transition:transform .25s,box-shadow .25s,filter .25s;
  text-decoration:none;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 16px 46px rgba(232,121,249,.45);filter:saturate(1.1)}
.btn:active{transform:translateY(0) scale(.985)}
.btn-ghost{
  background:rgba(168,85,247,.06);color:var(--text);
  border:1px solid var(--line-strong);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{background:rgba(168,85,247,.14);box-shadow:0 12px 40px rgba(168,85,247,.25)}
.btn-sm{padding:9px 16px;font-size:.82rem;border-radius:10px}

/* ---------- chips / pills ---------- */
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 13px;border-radius:999px;
  font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--muted);
  border:1px solid var(--line);
  background:rgba(168,85,247,.06);
  backdrop-filter:blur(8px);
}
.chip .led{width:6px;height:6px;border-radius:50%;background:var(--neon);box-shadow:0 0 10px var(--neon);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1);transition-delay:calc(var(--i,0) * 70ms)}
.reveal.in{opacity:1;transform:none}
.reveal-scale{opacity:0;transform:scale(.94);transition:opacity 1s cubic-bezier(.2,.7,.2,1),transform 1s cubic-bezier(.2,.7,.2,1);transition-delay:calc(var(--i,0) * 80ms)}
.reveal-scale.in{opacity:1;transform:none}
[data-parallax]{will-change:transform}

/* ---------- media ---------- */
.media{
  position:relative;overflow:hidden;border-radius:var(--radius);
  background:
    radial-gradient(120% 120% at 30% 10%, rgba(168,85,247,.35), transparent 55%),
    linear-gradient(160deg,#1a0b31,#0a0614);
  border:1px solid var(--line);
  isolation:isolate;
}
.media img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s cubic-bezier(.2,.7,.2,1),filter .6s}
.media:hover img{transform:scale(1.045)}
.media::after{ /* vignette + tint */
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,transparent 40%,rgba(5,3,11,.72)),
             radial-gradient(80% 60% at 50% 100%, rgba(139,92,246,.18), transparent);
}
.media.plain::after{display:none}

/* ---------- pinned horizontal scroller ---------- */
.pin{position:relative}
.pin-sticky{
  position:sticky;top:calc(var(--bar-h) + var(--frame-inset));
  height:calc(100vh - var(--bar-h) - var(--frame-inset));
  display:flex;align-items:center;overflow:hidden;
}
.pin-track{
  display:flex;gap:clamp(16px,2vw,26px);
  padding-inline:max(4vw, calc((100vw - 1180px) / 2));
  will-change:transform;
}
.pin-track > *{flex:0 0 auto}
.pin-head{position:absolute;top:clamp(18px,3vh,40px);left:0;right:0;z-index:2;pointer-events:none}
.pin-progress{
  position:absolute;left:max(4vw, calc((100vw - 1180px) / 2));right:max(4vw, calc((100vw - 1180px) / 2));
  bottom:clamp(18px,4vh,46px);height:2px;border-radius:2px;background:rgba(168,85,247,.18);z-index:2;
}
.pin-progress i{display:block;height:100%;width:0%;border-radius:2px;background:linear-gradient(90deg,var(--cyan),var(--neon));box-shadow:0 0 16px var(--neon)}

/* ---------- marquee ---------- */
.marquee{overflow:hidden;border-block:1px solid var(--line);background:rgba(139,92,246,.05);padding:14px 0;position:relative}
.marquee-track{display:flex;gap:2.5rem;width:max-content;animation:marquee 28s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee span{font-family:var(--mono);font-size:12px;letter-spacing:.28em;text-transform:uppercase;color:var(--dim);white-space:nowrap;display:flex;align-items:center;gap:2.5rem}
.marquee span::after{content:"◆";color:var(--electric);font-size:8px}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- scroll cue ---------- */
.cue{display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--dim);font-family:var(--mono);font-size:10px;letter-spacing:.24em;text-transform:uppercase}
.cue .track{width:1px;height:56px;background:linear-gradient(180deg,var(--neon),transparent);position:relative;overflow:hidden}
.cue .track::after{content:"";position:absolute;top:-40%;left:0;width:1px;height:40%;background:#fff;box-shadow:0 0 10px #fff;animation:cue 2.2s cubic-bezier(.7,0,.3,1) infinite}
@keyframes cue{0%{top:-40%}60%,100%{top:110%}}

/* ---------- footer ---------- */
.site-foot{border-top:1px solid var(--line);padding:44px 0 60px;color:var(--dim);font-size:.86rem}
.site-foot .row{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center}

/* ---------- scrollbar ---------- */
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:#07040e}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--electric),var(--neon));border-radius:8px;border:2px solid #07040e}

/* ---------- motion / responsive ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .reveal,.reveal-scale{opacity:1;transform:none}
}
@media (max-width:760px){
  .pin-sticky{position:relative;height:auto;display:block;padding-block:40px}
  .pin-track{overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:18px}
  .pin-track > *{scroll-snap-align:center}
  .pin-progress{display:none}
  .winrail{display:none}
}