/* ============================================================
   HYPERSCALEX — signal system
   Black ground · white type · violet nodes
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,400;12..96,600;12..96,700;12..96,800&family=Comfortaa:wght@500;700&family=Geist+Mono:wght@400;500&family=Geist:wght@300;400;500;600;700&display=swap');

:root{
  /* ground */
  --black:#000000;
  --surface:#08080A;
  --surface-2:#0E0E12;
  --surface-3:#15151B;

  /* ink */
  --white:#FAFAFB;
  --ink-2:#A6A2B4;
  --ink-3:#6E6A7D;
  --ink-4:#403D4B;

  /* brand */
  --violet:#8B5CF6;
  --violet-bright:#A78BFA;
  --violet-deep:#6D3EE8;
  --violet-glow:rgba(139,92,246,.32);
  --violet-wash:rgba(139,92,246,.09);

  /* structure */
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --line-violet:rgba(139,92,246,.28);

  /* type */
  --display:"Bricolage Grotesque","Geist",system-ui,sans-serif;
  --body:"Geist",system-ui,-apple-system,sans-serif;
  --mono:"Geist Mono",ui-monospace,"SF Mono",Menlo,monospace;
  --round:"Comfortaa","Geist",system-ui,sans-serif;

  /* metrics */
  --gutter:clamp(1.25rem,4vw,3rem);
  --maxw:1320px;
  --header-h:78px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth; -webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--black); color:var(--white);
  font-family:var(--body); font-size:16px; line-height:1.6;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
img{max-width:100%; display:block}
a{color:inherit; text-decoration:none}
button{font:inherit; color:inherit; background:none; border:0; cursor:pointer}
:focus-visible{outline:2px solid var(--violet); outline-offset:3px; border-radius:3px}
::selection{background:var(--violet); color:#fff}

/* ---------- grain ---------- */
body::after{
  content:""; position:fixed; inset:0; z-index:9999; pointer-events:none; opacity:.028;
  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)'/%3E%3C/svg%3E");
}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw); margin-inline:auto; padding-inline:var(--gutter)}
.rule{height:1px; background:var(--line); border:0; margin:0}

/* ---------- type ---------- */
h1,h2,h3,h4{font-family:var(--display); font-weight:700; margin:0; line-height:1.03; letter-spacing:-.035em; text-wrap:balance}
h1{font-size:clamp(2.9rem,8.5vw,6.6rem); font-weight:800; letter-spacing:-.05em}
h2{font-size:clamp(1.9rem,4.4vw,3.1rem)}
h3{font-size:clamp(1.15rem,1.9vw,1.5rem); letter-spacing:-.028em}
h4{font-size:1.02rem; letter-spacing:-.02em; font-weight:600}
p{margin:0 0 1em}

.mono{font-family:var(--mono)}
.label{
  font-family:var(--mono); font-size:.68rem; font-weight:500;
  letter-spacing:.17em; text-transform:uppercase; color:var(--ink-3);
}
.label-v{color:var(--violet-bright)}
.dot-lead{display:inline-flex; align-items:center; gap:.55rem}
.dot-lead::before{
  content:""; width:6px; height:6px; border-radius:50%; background:var(--violet);
  box-shadow:0 0 12px var(--violet-glow); flex:none;
}

/* ---------- header ---------- */
.hdr{
  position:sticky; top:0; z-index:100; height:var(--header-h);
  background:rgba(0,0,0,.72); backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid var(--line);
}
.hdr-in{height:100%; display:flex; align-items:center; gap:2rem}

.logo{display:inline-flex; align-items:center; flex:none; line-height:0}
/* two-line lockup, 2.59:1 — needs more height than a wordmark would */
.logo img{height:42px; width:auto; display:block}
.logo-lg img{height:54px}

.nav{display:flex; gap:.35rem; margin-left:auto}
.nav a{
  font-size:.86rem; font-weight:500; color:var(--ink-2);
  padding:.5rem .8rem; border-radius:6px; transition:color .18s, background .18s;
}
.nav a:hover{color:var(--white); background:rgba(255,255,255,.05)}
.nav a.on{color:var(--white); background:var(--violet-wash)}

.hdr .btn{flex:none}
.menu-btn{display:none; margin-left:auto; padding:.5rem; border-radius:6px}
.menu-btn span{display:block; width:20px; height:1.5px; background:var(--white); margin:4px 0; transition:transform .25s, opacity .25s}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  font-family:var(--body); font-size:.86rem; font-weight:600; letter-spacing:-.01em;
  padding:.62rem 1.15rem; border-radius:7px; white-space:nowrap;
  transition:transform .16s, background .18s, border-color .18s, box-shadow .18s;
}
.btn-primary{background:var(--violet); color:#fff; box-shadow:0 0 0 0 var(--violet-glow)}
.btn-primary:hover{background:var(--violet-deep); box-shadow:0 6px 28px -6px var(--violet-glow); transform:translateY(-1px)}
.btn-ghost{border:1px solid var(--line-2); color:var(--white)}
.btn-ghost:hover{border-color:var(--violet); background:var(--violet-wash)}
.btn-lg{padding:.85rem 1.6rem; font-size:.94rem}

/* ---------- hero ---------- */
.hero{position:relative; padding:clamp(3.5rem,9vw,7rem) 0 clamp(3rem,6vw,5rem); overflow:hidden}
#nodes{position:absolute; inset:0; width:100%; height:100%; z-index:0; opacity:.85}
.hero::before{
  content:""; position:absolute; z-index:1; left:50%; top:-30%;
  width:min(900px,110vw); aspect-ratio:1; transform:translateX(-50%);
  background:radial-gradient(circle, rgba(139,92,246,.16) 0%, transparent 62%);
  pointer-events:none;
}
.hero::after{
  content:""; position:absolute; inset:0; z-index:1; pointer-events:none;
  background:linear-gradient(100deg, rgba(0,0,0,.94) 0%, rgba(0,0,0,.78) 40%, rgba(0,0,0,.28) 66%, transparent 82%);
}
.hero-in{position:relative; z-index:2; max-width:960px}
.hero h1{margin:1.4rem 0 0}
.hero h1 em{font-style:normal; color:var(--violet-bright)}
.hero-sub{
  font-size:clamp(1.05rem,1.9vw,1.32rem); color:var(--ink-2); font-weight:300;
  line-height:1.5; max-width:36em; margin:1.6rem 0 0;
}
.hero-sub b{color:var(--white); font-weight:500}

/* ---------- subscribe ---------- */
.sub{margin-top:2.4rem; max-width:520px}
.sub-row{display:flex; gap:.55rem; flex-wrap:wrap}
.sub input{
  flex:1 1 240px; min-width:0; background:var(--surface-2); color:var(--white);
  border:1px solid var(--line-2); border-radius:7px; padding:.78rem 1rem;
  font-family:var(--body); font-size:.92rem; transition:border-color .18s, background .18s;
}
.sub input::placeholder{color:var(--ink-3)}
.sub input:focus{outline:none; border-color:var(--violet); background:var(--surface-3)}
.sub-note{margin:.85rem 0 0; font-size:.78rem; color:var(--ink-3); line-height:1.7}
.sub-note .dot-lead{margin-right:.15rem}
.sub-msg{margin:.7rem 0 0; font-size:.85rem; min-height:1.2em}
.sub-msg.ok{color:var(--violet-bright)}
.sub-msg.err{color:#F87171}

/* ---------- stat strip ---------- */
.strip{border-top:1px solid var(--line); border-bottom:1px solid var(--line); background:var(--surface)}
.strip-in{display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.strip-cell{padding:1.5rem var(--gutter); border-right:1px solid var(--line)}
.strip-cell:last-child{border-right:0}
.strip-cell dt{margin-bottom:.45rem}
.strip-cell dd{
  margin:0; font-family:var(--display); font-weight:700; font-size:1.85rem;
  letter-spacing:-.035em; font-variant-numeric:tabular-nums; line-height:1;
}
.strip-cell dd small{display:block; font-family:var(--body); font-size:.78rem; font-weight:400; color:var(--ink-3); letter-spacing:0; margin-top:.4rem}

/* ---------- section head ---------- */
.sec{padding:clamp(3.5rem,7vw,6rem) 0}
.sec-hd{display:flex; align-items:flex-end; justify-content:space-between; gap:1.5rem; margin-bottom:2.4rem; flex-wrap:wrap}
.sec-hd h2{max-width:14ch}
.sec-hd p{color:var(--ink-2); max-width:42ch; margin:.7rem 0 0; font-size:.98rem}
.more{font-family:var(--mono); font-size:.75rem; letter-spacing:.1em; text-transform:uppercase; color:var(--violet-bright); display:inline-flex; align-items:center; gap:.45rem; transition:gap .2s}
.more:hover{gap:.75rem}

/* ---------- lead story ---------- */
.lead{
  display:grid; grid-template-columns:1.15fr .85fr; gap:0;
  border:1px solid var(--line); border-radius:12px; overflow:hidden; background:var(--surface);
  transition:border-color .22s;
}
.lead:hover{border-color:var(--line-violet)}
.lead-body{padding:clamp(1.6rem,3vw,2.6rem); display:flex; flex-direction:column; gap:1rem}
.lead-body h3{font-size:clamp(1.6rem,3vw,2.35rem); letter-spacing:-.04em; line-height:1.06}
.lead-body p{color:var(--ink-2); margin:0; font-size:1rem}
.lead-meta{margin-top:auto; display:flex; gap:1.2rem; flex-wrap:wrap; align-items:center; padding-top:.6rem}
.lead-art{
  border-left:1px solid var(--line); background:
    radial-gradient(circle at 30% 30%, rgba(139,92,246,.22), transparent 58%),
    linear-gradient(160deg,var(--surface-2),var(--black));
  min-height:280px; position:relative; overflow:hidden;
}
.lead-art canvas{position:absolute; inset:0; width:100%; height:100%}

/* ---------- feed ---------- */
.feed{display:grid; gap:0; border-top:1px solid var(--line)}
.item{
  display:grid; grid-template-columns:auto 1fr auto; gap:1.6rem; align-items:baseline;
  padding:1.5rem 1rem; border-bottom:1px solid var(--line);
  transition:background .2s, padding-left .2s; position:relative;
}
.item:hover{background:var(--surface); padding-left:1.5rem}
.item::before{
  content:""; position:absolute; left:0; top:0; bottom:0; width:2px;
  background:var(--violet); transform:scaleY(0); transform-origin:top; transition:transform .24s;
}
.item:hover::before{transform:scaleY(1)}
.item-idx{font-family:var(--mono); font-size:.72rem; color:var(--ink-4); font-variant-numeric:tabular-nums; padding-top:.3rem}
.item h3{font-size:1.16rem; font-weight:600; letter-spacing:-.025em; line-height:1.28; margin-bottom:.5rem}
.item:hover h3{color:var(--violet-bright)}
.item p{color:var(--ink-3); font-size:.9rem; margin:0; max-width:62ch}
.item-tags{display:flex; gap:.9rem; margin-top:.7rem; flex-wrap:wrap; align-items:center}
.item-when{font-family:var(--mono); font-size:.72rem; color:var(--ink-4); white-space:nowrap; padding-top:.3rem}

.tag{
  font-family:var(--mono); font-size:.64rem; letter-spacing:.12em; text-transform:uppercase;
  padding:.22rem .5rem; border-radius:3px; border:1px solid var(--line-2); color:var(--ink-2);
}
.tag-v{border-color:var(--line-violet); color:var(--violet-bright); background:var(--violet-wash)}

/* ---------- tools ---------- */
.filters{display:flex; gap:.5rem; flex-wrap:wrap; margin-bottom:2rem}
.chip{
  font-family:var(--mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase;
  padding:.5rem .9rem; border-radius:6px; border:1px solid var(--line-2); color:var(--ink-2);
  transition:all .18s;
}
.chip:hover{border-color:var(--violet); color:var(--white)}
.chip.on{background:var(--violet); border-color:var(--violet); color:#fff}

.grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:1rem}
.card{
  border:1px solid var(--line); border-radius:11px; background:var(--surface);
  padding:1.4rem; display:flex; flex-direction:column; gap:.85rem;
  transition:border-color .22s, transform .22s, box-shadow .22s;
}
.card:hover{border-color:var(--line-violet); transform:translateY(-3px); box-shadow:0 16px 40px -20px var(--violet-glow)}
.card-top{display:flex; align-items:flex-start; justify-content:space-between; gap:1rem}
.card-mark{
  width:38px; height:38px; border-radius:9px; flex:none;
  display:grid; place-items:center; font-family:var(--round); font-weight:700; font-size:1rem;
  background:var(--violet-wash); border:1px solid var(--line-violet); color:var(--violet-bright);
}
.card h3{font-size:1.08rem; margin-bottom:.3rem}
.card p{color:var(--ink-3); font-size:.88rem; margin:0; flex:1}
.card-foot{display:flex; align-items:center; justify-content:space-between; gap:1rem; padding-top:.85rem; border-top:1px solid var(--line)}
.price{font-family:var(--mono); font-size:.78rem; color:var(--ink-2)}
.score{
  font-family:var(--display); font-weight:700; font-size:1.05rem; letter-spacing:-.03em;
  display:inline-flex; align-items:baseline; gap:.12rem;
}
.score span{font-size:.7rem; color:var(--ink-4); font-weight:500}
.score.hi{color:var(--violet-bright)}
.verdict{font-size:.86rem; color:var(--ink-2); border-left:2px solid var(--violet); padding-left:.75rem; font-style:italic}

/* ---------- pillars / cta ---------- */
.band{border-top:1px solid var(--line); border-bottom:1px solid var(--line); background:var(--surface)}
.cta{
  position:relative; overflow:hidden; text-align:center;
  padding:clamp(3.5rem,8vw,6.5rem) 0;
  background:radial-gradient(ellipse at 50% 120%, rgba(139,92,246,.18), transparent 62%);
}
.cta h2{max-width:18ch; margin-inline:auto}
.cta > .wrap > p{color:var(--ink-2); max-width:44ch; margin:1.2rem auto 0}
.cta .sub{margin-inline:auto}
.cta .sub-note{justify-content:center}

/* ---------- article ---------- */
.art-hd{padding:clamp(2.5rem,6vw,4.5rem) 0 2rem; max-width:760px; margin-inline:auto}
.art-hd h1{font-size:clamp(2.1rem,5.2vw,3.7rem); margin:1.2rem 0 0; letter-spacing:-.042em}
.art-hd .hero-sub{font-size:1.15rem; margin-top:1.2rem}
.art-meta{display:flex; gap:1.4rem; flex-wrap:wrap; align-items:center; margin-top:1.8rem; padding-top:1.4rem; border-top:1px solid var(--line)}
.prose{max-width:680px; margin-inline:auto; font-size:1.06rem; line-height:1.72; color:#DEDCE6; padding-bottom:3rem}
.prose h2{font-size:1.65rem; margin:2.6rem 0 .9rem; letter-spacing:-.03em}
.prose h3{font-size:1.2rem; margin:2rem 0 .6rem}
.prose p{margin:0 0 1.15em}
.prose a{color:var(--violet-bright); text-decoration:underline; text-underline-offset:2px}
.prose strong{color:var(--white); font-weight:600}
.prose ul,.prose ol{padding-left:1.3rem; margin:0 0 1.2em}
.prose li{margin-bottom:.5rem}
.prose li::marker{color:var(--violet)}
.prose blockquote{
  margin:1.8rem 0; padding:1.1rem 1.4rem; border-left:2px solid var(--violet);
  background:var(--surface); border-radius:0 8px 8px 0; color:var(--white); font-size:1.02rem;
}
.prose blockquote p:last-child{margin:0}
.prose code{font-family:var(--mono); font-size:.88em; background:var(--surface-3); padding:.15em .4em; border-radius:4px; color:var(--violet-bright)}

/* ---------- footer ---------- */
.ftr{padding:clamp(3rem,6vw,4.5rem) 0 2.5rem; border-top:1px solid var(--line)}
.ftr-grid{display:grid; grid-template-columns:1.6fr repeat(3,1fr); gap:2.5rem; margin-bottom:3rem}
.ftr-brand p{color:var(--ink-3); font-size:.9rem; max-width:32ch; margin:1.15rem 0 0}
.ftr h4{margin-bottom:1rem; font-size:.68rem; font-family:var(--mono); letter-spacing:.17em; text-transform:uppercase; color:var(--ink-3); font-weight:500}
.ftr ul{list-style:none; padding:0; margin:0; display:grid; gap:.6rem}
.ftr ul a{font-size:.9rem; color:var(--ink-2); transition:color .18s}
.ftr ul a:hover{color:var(--violet-bright)}
.ftr-btm{display:flex; justify-content:space-between; gap:1.5rem; flex-wrap:wrap; padding-top:1.8rem; border-top:1px solid var(--line); font-size:.78rem; color:var(--ink-4)}
.ftr-btm a{color:var(--ink-4)}
.ftr-btm a:hover{color:var(--ink-2)}

/* ---------- reveal ---------- */
.rv{opacity:0; transform:translateY(16px); transition:opacity .6s cubic-bezier(.2,.7,.3,1), transform .6s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1; transform:none}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .lead{grid-template-columns:1fr}
  .lead-art{border-left:0; border-top:1px solid var(--line); min-height:180px; order:-1}
  .ftr-grid{grid-template-columns:1fr 1fr; gap:2rem}
}
@media (max-width:760px){
  .menu-btn{display:block}
  .nav{
    position:fixed; inset:var(--header-h) 0 auto 0; flex-direction:column; gap:0;
    background:var(--black); border-bottom:1px solid var(--line);
    box-shadow:0 18px 40px -18px rgba(0,0,0,.9);
    padding:.5rem var(--gutter) 1.25rem; margin:0; display:none;
  }
  .nav.open{display:flex}
  .nav a{padding:.85rem .25rem; border-bottom:1px solid var(--line); border-radius:0}
  .hdr .btn{display:none}
  .logo img{height:34px}
  .logo-lg img{height:44px}
  #nodes{opacity:.42}
  .hero::after{background:linear-gradient(180deg, rgba(0,0,0,.74), rgba(0,0,0,.52))}
  .sub-row .btn{width:100%}
  .item{grid-template-columns:1fr; gap:.6rem}
  .item-idx,.item-when{padding-top:0}
  .item-when{grid-row:1}
  .strip-cell{border-right:0; border-bottom:1px solid var(--line)}
  .ftr-grid{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important; transition-duration:.01ms!important}
  .rv{opacity:1; transform:none}
}

/* ============================================================
   CHARTS + INTERACTION LAYER
   Series #8B5CF6 / over-threshold #EF4444, both validated
   against the chart surface. Text always wears ink tokens.
   ============================================================ */

.viz{
  margin:0; padding:1.4rem 1.5rem 1.15rem;
  background:var(--surface-2); border:1px solid var(--line); border-radius:12px;
  display:flex; flex-direction:column; gap:.35rem; position:relative; overflow:hidden;
}
.viz::before{
  content:""; position:absolute; inset:0 0 auto 0; height:1px;
  background:linear-gradient(90deg, transparent, var(--line-violet), transparent);
}
.viz-hd{display:flex; align-items:baseline; justify-content:space-between; gap:1rem; flex-wrap:wrap; margin-bottom:.5rem}
.viz-title{font-family:var(--display); font-size:1.02rem; font-weight:600; letter-spacing:-.02em; margin:0}
.viz-sub{font-size:.82rem; color:var(--ink-3); margin:.25rem 0 0; max-width:52ch}
.viz-plot{width:100%; min-height:60px}
.viz-plot svg{display:block; overflow:visible}
.viz-plot text{font-family:var(--mono); font-variant-numeric:tabular-nums}

.viz-readout{
  min-height:1.55rem; display:flex; align-items:center; gap:.7rem; flex-wrap:wrap;
  font-size:.8rem; color:var(--ink-2); border-top:1px solid var(--line);
  padding-top:.6rem; margin-top:.4rem;
}
.viz-readout-label{display:inline-flex; align-items:center; gap:.45rem; color:var(--ink-2)}
.viz-readout-label i{width:9px; height:9px; border-radius:2px; display:inline-block; flex:none}
.viz-readout b{font-family:var(--mono); color:var(--white); font-weight:600; font-variant-numeric:tabular-nums}
.viz-readout em{font-style:normal; color:var(--ink-3)}

.viz-toggle{
  align-self:flex-start; font-family:var(--mono); font-size:.66rem; letter-spacing:.12em;
  text-transform:uppercase; color:var(--ink-3); padding:.35rem 0; margin-top:.15rem;
  border-bottom:1px solid transparent; transition:color .18s, border-color .18s;
}
.viz-toggle:hover{color:var(--violet-bright); border-bottom-color:var(--line-violet)}
.viz-tablewrap{overflow-x:auto; margin-top:.5rem}
.viz-table{width:100%; border-collapse:collapse; font-size:.82rem}
.viz-table th,.viz-table td{text-align:left; padding:.45rem .6rem; border-bottom:1px solid var(--line)}
.viz-table th{
  font-family:var(--mono); font-size:.64rem; letter-spacing:.1em; text-transform:uppercase;
  color:var(--ink-3); font-weight:500;
}
.viz-table td{color:var(--ink-2)}
.viz-table td:last-child{font-family:var(--mono); color:var(--white); font-variant-numeric:tabular-nums}

/* ---------- scroll progress ---------- */
.scrollbar{position:fixed; top:0; left:0; right:0; height:2px; z-index:200; pointer-events:none}
.scrollbar-fill{
  height:100%; transform:scaleX(0); transform-origin:0 50%;
  background:linear-gradient(90deg, var(--violet-deep), var(--violet-bright));
  box-shadow:0 0 12px var(--violet-glow);
}

/* ---------- counters ---------- */
.strip-cell dd [data-count]{font-variant-numeric:tabular-nums}

/* ---------- dot-grid texture on banded sections ---------- */
.band{position:relative}
.band::before{
  content:""; position:absolute; inset:0; pointer-events:none; opacity:.5;
  background-image:radial-gradient(circle at center, rgba(139,92,246,.16) 1px, transparent 1px);
  background-size:26px 26px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%, #000 0%, transparent 72%);
  mask-image:radial-gradient(ellipse at 50% 0%, #000 0%, transparent 72%);
}
.band > *{position:relative}

/* ---------- chart grid inside a section ---------- */
.viz-grid{display:grid; gap:1rem; grid-template-columns:repeat(auto-fit,minmax(320px,1fr)); margin-top:1.5rem}

@media (max-width:760px){
  .viz{padding:1.15rem 1rem 1rem}
  .viz-readout{font-size:.76rem}
}