/* ════════════════════════════════════════════════════════════
   SFG Product Deck
   Skeleton: sfg.xyz "Infra Terminal" (grid, mono, lime/cyan)
   Atmosphere: starrquantlab particle field (teal/violet)
   Strategy line = teal/violet · Infrastructure line = lime/cyan
   ════════════════════════════════════════════════════════════ */

:root{
  --bg:#06070A; --bg-2:#090B10; --panel:rgba(11,13,18,.78); --panel-solid:#0B0D12; --panel-2:#0F121A;
  --fg:#E6EAF2; --fg-2:#AEB6C6; --dim:#727B8C; --faint:#3A4151;
  --lime:#C7F948; --cyan:#37E0C8; --teal:#5EEAD4; --violet:#A78BFA; --pink:#F9A8D4; --gold:#FCD34D;
  --up:#5EEAD4; --down:#F9A8D4;
  --line:rgba(255,255,255,.08); --line-hi:rgba(255,255,255,.16); --line-soft:rgba(255,255,255,.045);
  --grid:rgba(255,255,255,.04);
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --disp:'Archivo',system-ui,sans-serif;
  --ease:cubic-bezier(.2,.8,.2,1);
  --maxw:1280px; --gut:40px;
  --acc:var(--teal); --acc-2:var(--violet);
}
[data-line="infra"]{--acc:var(--lime); --acc-2:var(--cyan)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--fg);font-family:var(--mono);font-size:14px;line-height:1.6;
  min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased}
::selection{background:var(--lime);color:var(--bg)}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
@media(max-width:720px){:root{--gut:16px}}

/* ── ambient ── */
#stage{position:fixed;inset:0;width:100%;height:100%;z-index:0;display:block}
.gridlines{position:fixed;inset:0;z-index:1;pointer-events:none;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(ellipse 90% 70% at 50% 30%,#000 30%,transparent 100%)}
.vignette{position:fixed;inset:0;z-index:2;pointer-events:none;
  background:radial-gradient(ellipse at 50% 20%,transparent 40%,rgba(6,7,10,.85) 100%)}
.stack{position:relative;z-index:10}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gut)}

/* ── nav ── */
nav.bar{position:fixed;top:0;left:0;right:0;z-index:40;background:rgba(6,7,10,.72);
  backdrop-filter:blur(12px) saturate(1.2);-webkit-backdrop-filter:blur(12px) saturate(1.2);
  border-bottom:1px solid var(--line-soft)}
nav.bar .wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:60px;font-size:12px;letter-spacing:.05em}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;white-space:nowrap}
.brand .sq{width:10px;height:10px;background:var(--lime);box-shadow:0 0 12px var(--lime)}
.brand small{color:var(--dim);font-weight:400}
.tabs{display:flex;gap:26px;text-transform:uppercase;font-size:11px;color:var(--dim)}
.tabs a{position:relative;padding:2px 0;transition:color .2s}
.tabs a:hover,.tabs a[aria-current]{color:var(--fg)}
.tabs a[aria-current]::before{content:'';position:absolute;left:-11px;top:50%;width:4px;height:4px;
  background:var(--acc);transform:translateY(-50%)}
.bar .right{justify-self:end;display:flex;gap:18px;align-items:center;color:var(--dim)}
.bar .right b{color:var(--cyan);font-weight:400}
.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border:1px solid var(--line-hi);
  text-transform:uppercase;font-size:11px;letter-spacing:.08em;transition:all .2s;white-space:nowrap}
.btn:hover{border-color:var(--acc);color:var(--acc)}
.btn.solid{background:var(--acc);color:var(--bg);border-color:var(--acc)}
.btn.solid:hover{background:transparent;color:var(--acc)}
@media(max-width:1180px){.brand small{display:none}}
@media(max-width:860px){
  nav.bar .wrap{grid-template-columns:1fr auto}
  .tabs{display:none}
  .brand small,.bar .clock{display:none}
}

/* ── view ── */
main#view{padding-top:60px;min-height:100vh}
.view-enter > *{will-change:transform,opacity}
.section{padding:72px 0}
.eyebrow{color:var(--acc);font-size:12px;letter-spacing:.08em;text-transform:lowercase}
.eyebrow::before{content:'// '}
h1.disp,h2.disp{font-family:var(--disp);font-weight:900;text-transform:uppercase;letter-spacing:-.02em;line-height:.92}
h1.disp{font-size:clamp(44px,8.4vw,128px)}
h2.disp{font-size:clamp(34px,5vw,72px)}
.disp em{font-style:normal;color:var(--acc)}
.lede{color:var(--fg-2);font-size:15px;max-width:620px;margin-top:22px}
.dim{color:var(--dim)}
.mono-k{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--dim)}

/* ── cover ── */
.cover{min-height:calc(100vh - 60px);display:flex;flex-direction:column;justify-content:center;padding:60px 0}
.cover h1{margin-top:26px}
.paths{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin-top:56px}
.path{background:var(--panel);padding:34px 32px 30px;position:relative;overflow:hidden;transition:background .3s;display:block}
.path:hover{background:rgba(15,18,26,.92)}
.path .n{font-size:12px;color:var(--acc)}
.path h3{font-family:var(--disp);font-weight:900;font-size:clamp(30px,3.6vw,52px);text-transform:uppercase;margin:14px 0 10px;letter-spacing:-.01em}
.path p{color:var(--fg-2);max-width:440px}
.path ul{list-style:none;margin-top:22px;display:flex;flex-wrap:wrap;gap:8px}
.path li{font-size:11px;border:1px solid var(--line);padding:4px 10px;color:var(--fg-2)}
.path .go{position:absolute;right:28px;top:30px;font-size:20px;color:var(--acc);transition:transform .3s var(--ease)}
.path:hover .go{transform:translate(4px,-4px)}
.path::after{content:'';position:absolute;left:0;bottom:0;height:2px;width:100%;background:linear-gradient(90deg,var(--acc),var(--acc-2));
  transform:scaleX(0);transform-origin:0 50%;transition:transform .5s var(--ease)}
.path:hover::after{transform:scaleX(1)}
.kpis{display:flex;gap:44px;flex-wrap:wrap;margin-top:40px;color:var(--dim);font-size:12px}
.kpis b{display:block;font-family:var(--disp);font-size:30px;color:var(--fg);font-weight:700}
@media(max-width:860px){.paths{grid-template-columns:1fr}}

/* ── segmented tabs ── */
.seg{display:inline-flex;border:1px solid var(--line);background:var(--panel);margin-top:34px}
.seg a{padding:11px 18px;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--dim);transition:all .2s;border-right:1px solid var(--line)}
.seg a:last-child{border-right:0}
.seg a:hover{color:var(--fg)}
.seg a[aria-current]{background:var(--acc);color:var(--bg)}
.seg.sub{display:flex;width:fit-content;margin-top:14px}
.seg.sub a{padding:8px 14px;font-size:11px}
.seg.sub a[aria-current]{background:transparent;color:var(--acc);box-shadow:inset 0 -2px 0 var(--acc)}
.seg-note{color:var(--dim);font-size:12px;margin-top:12px;max-width:640px}

/* ── cards ── */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line);margin-top:30px}
.card{background:var(--panel);box-shadow:inset -1px -1px 0 var(--line);padding:24px 24px 22px;display:flex;flex-direction:column;gap:12px;position:relative;transition:background .25s;min-height:300px}
.card:hover{background:rgba(15,18,26,.94)}
.card .top{display:flex;justify-content:space-between;align-items:center;font-size:11px;letter-spacing:.06em}
.card .code{color:var(--acc)}
.card h3{font-family:var(--disp);font-weight:800;font-size:24px;line-height:1.1;text-transform:uppercase}
.card .tag{color:var(--fg-2);font-size:13px}
.card .spark{height:64px;margin-top:auto}
.card .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;border-top:1px solid var(--line-soft);padding-top:12px}
.card .stats b{display:block;font-size:16px;font-weight:500;color:var(--fg)}
.card .price{display:flex;align-items:baseline;gap:8px;border-top:1px solid var(--line-soft);padding-top:14px;margin-top:auto}
.card .price b{font-family:var(--disp);font-size:30px;font-weight:800;color:var(--acc)}
.card.feature{grid-column:1/-1;min-height:260px}
.card.feature h3{font-size:clamp(28px,3.2vw,40px)}
.card.feature .spark{height:110px}
.up{color:var(--up)} .down{color:var(--down)}

.badge{font-size:10px;letter-spacing:.08em;text-transform:uppercase;padding:3px 8px;border:1px solid var(--line-hi);color:var(--dim)}
.badge.live{border-color:rgba(94,234,212,.4);color:var(--teal)}
.badge.live::before{content:'';display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--teal);margin-right:6px;
  box-shadow:0 0 8px var(--teal);animation:pulse 1.6s infinite}
.badge.demo{border-color:rgba(252,211,77,.35);color:var(--gold)}
@keyframes pulse{50%{opacity:.35}}

/* ── detail ── */
.back{display:inline-flex;gap:8px;color:var(--dim);font-size:12px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:28px}
.back:hover{color:var(--acc)}
.dhead{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:end}
.dhead .chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.chip{font-size:11px;border:1px solid var(--line);padding:4px 10px;color:var(--fg-2)}
.panel{background:var(--panel);border:1px solid var(--line);padding:26px}
.chart-panel{margin-top:36px;padding:22px 22px 14px}
.chart-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.chart-head .val{font-family:var(--disp);font-size:34px;font-weight:700}
.chart-head .seg{margin:0}
.chart-head .seg a{padding:6px 11px;font-size:11px}
.chart{position:relative;height:320px}
.chart svg{width:100%;height:100%;display:block;overflow:visible}
.chart .tip{position:absolute;pointer-events:none;background:var(--panel-solid);border:1px solid var(--line-hi);padding:7px 10px;font-size:11px;
  white-space:nowrap;transform:translate(-50%,-110%);opacity:0;transition:opacity .15s}
.metrics{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:1px}
.metrics div{background:var(--panel);padding:16px 18px}
.metrics b{display:block;font-size:20px;font-weight:500;margin-top:4px}
@media(max-width:860px){.metrics{grid-template-columns:repeat(3,1fr)} .dhead{grid-template-columns:1fr}}
.cols{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;margin-top:36px}
@media(max-width:860px){.cols{grid-template-columns:1fr}}
.prose p{color:var(--fg-2);margin-bottom:14px;max-width:680px}
.h-k{font-size:12px;color:var(--acc);text-transform:uppercase;letter-spacing:.08em;margin:30px 0 14px}
.h-k:first-child{margin-top:0}
.list{list-style:none}
.list li{padding:11px 0;border-bottom:1px solid var(--line-soft);display:flex;gap:12px;color:var(--fg-2)}
.list li::before{content:'›';color:var(--acc)}
.list.risk li::before{content:'!';color:var(--pink)}
.kv{width:100%;border-collapse:collapse}
.kv td{padding:11px 0;border-bottom:1px solid var(--line-soft);vertical-align:top}
.kv td:first-child{color:var(--dim);font-size:12px;text-transform:uppercase;letter-spacing:.05em;width:44%;padding-right:12px}
.alloc{display:flex;flex-direction:column;gap:12px}
.alloc .row{display:grid;grid-template-columns:1fr auto;gap:6px;font-size:12px}
.alloc .bar{grid-column:1/-1;height:6px;background:var(--line-soft);position:relative}
.alloc .bar i{position:absolute;inset:0 auto 0 0;background:linear-gradient(90deg,var(--acc),var(--acc-2))}
.pricebox{border:1px solid var(--acc);padding:24px;background:rgba(6,7,10,.6)}
.pricebox b{font-family:var(--disp);font-size:44px;font-weight:900;color:var(--acc);display:block;line-height:1}
.pricebox .u{color:var(--fg-2);margin-top:6px}
.pricebox .note{color:var(--dim);font-size:12px;margin-top:10px}
.modules{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.modules div{background:var(--panel);padding:18px}
.modules b{display:block;font-weight:500;color:var(--fg);margin-bottom:4px}
.modules span{color:var(--fg-2);font-size:13px}
@media(max-width:640px){.modules{grid-template-columns:1fr}}

/* ── cta ── */
.cta{border-top:1px solid var(--line);margin-top:80px;padding:80px 0 60px}
.cta .row{display:flex;justify-content:space-between;align-items:end;gap:30px;flex-wrap:wrap}
footer{border-top:1px solid var(--line-soft);padding:24px 0;color:var(--faint);font-size:11px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.disclaimer{color:var(--dim);font-size:11px;margin-top:18px;max-width:760px}

.empty{padding:40px;color:var(--dim);text-align:center;background:var(--panel)}
.pager{position:fixed;right:var(--gut);bottom:22px;z-index:30;display:flex;gap:10px;align-items:center;font-size:11px;color:var(--dim)}
.pager button{width:32px;height:32px;border:1px solid var(--line-hi);background:var(--panel)}
.pager button:hover{border-color:var(--acc);color:var(--acc)}
@media(max-width:720px){.pager{display:none}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ── backtest (static image + variants) ── */
.badge.bt{border-color:rgba(167,139,250,.45);color:var(--violet)}
.bt-thumb{height:120px;overflow:hidden;border:1px solid var(--line-soft);margin-top:auto}
.bt-thumb img,.bt-img img{width:100%;display:block;filter:invert(.92) hue-rotate(180deg) saturate(1.3);mix-blend-mode:screen}
.bt-thumb img{height:100%;object-fit:cover;object-position:50% 30%}
.bt-panel{margin-top:36px;padding:22px}
.bt-period{font-family:var(--disp);font-size:24px;font-weight:700;margin-top:4px}
.bt-img{display:block;margin-top:14px;border:1px solid var(--line-soft);background:#000}
.bt-table{margin-top:18px}
.bt-table tr:first-child td{color:var(--dim);font-size:11px;text-transform:uppercase;letter-spacing:.05em}
.bt-table td:first-child{width:auto;text-transform:none;letter-spacing:0;font-size:13px;color:var(--fg-2)}
.bt-table tr:first-child td:first-child{font-size:11px;text-transform:uppercase;color:var(--dim)}
.bt-table td:not(:first-child){width:110px;text-align:right}
.bt-table tr.rec td:first-child{color:var(--fg)}