/* Downline HQ — product identity (its own look, separate from the SINAI Global hub's site.css).
   Dark-first: onyx ground, ivory type, champagne gold used sparingly for marks, rules and the one CTA.
   Contrast (WCAG): ivory/onyx 15.9, pewter/onyx 7.4, champagne/onyx 8.3, onyx/champagne 8.3 — all AA+.
   Type: Cormorant Garamond (display, Latin + Cyrillic) + Jost (body). Hebrew: Frank Ruhl Libre + Assistant.
   Arabic: Amiri + IBM Plex Sans Arabic. */
:root{
  --onyx:#0E1316;        /* ground */
  --graphite:#151B1F;    /* raised surface */
  --ivory:#F2ECDF;       /* primary text */
  --pewter:#A8A294;      /* secondary text */
  --champagne:#C9A96A;   /* gold: marks, rules, CTA */
  --champagne-hi:#E8D2A0;/* gold hover / highlight */
  --hairline:rgba(201,169,106,.24);
  --rule:rgba(242,236,223,.09);
  --display:"Cormorant Garamond","Cormorant",Georgia,"Times New Roman",serif;
  --body:"Jost","Helvetica Neue",Arial,system-ui,sans-serif;
  --h1-weight:300; --h1-lh:1.02; --h1-track:-.012em;
  color-scheme:dark;
}
html[lang="he"]{--display:"Frank Ruhl Libre","Cormorant Garamond",Georgia,serif;--body:"Assistant","Jost",Arial,system-ui,sans-serif;--h1-weight:300;--h1-lh:1.12;--h1-track:0}
html[lang="ar"]{--display:"Amiri","Cormorant Garamond",Georgia,serif;--body:"IBM Plex Sans Arabic","Jost",Arial,system-ui,sans-serif;--h1-weight:400;--h1-lh:1.45;--h1-track:0}
*{box-sizing:border-box}
html,body{overflow-x:clip}
body{margin:0;background:var(--onyx);color:var(--ivory);font-family:var(--body);font-size:17px;line-height:1.7;font-weight:400;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
::selection{background:rgba(201,169,106,.35);color:var(--ivory)}
.wrap{max-width:1160px;margin:0 auto;padding-inline:clamp(20px,5vw,56px)}
a{color:var(--champagne);text-underline-offset:.22em;text-decoration-thickness:1px}
a:hover{color:var(--champagne-hi)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:1px solid var(--champagne);outline-offset:4px;border-radius:2px}
h1,h2,h3{font-family:var(--display);font-weight:400;margin:0;line-height:1.1;text-wrap:balance}
p{margin:0}

/* ── header ── */
.bar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-block:28px;border-bottom:1px solid var(--rule);position:relative;z-index:3}
.brand{display:flex;flex-direction:column;align-items:flex-start;gap:2px}
.brand .logo{display:block;line-height:0}
.brand .logo img{width:216px;height:auto;display:block}
.brand .by{font-size:12px;letter-spacing:.04em;color:var(--pewter);text-decoration:none;display:block;text-align:left;padding-left:60px}
.brand .by:hover{color:var(--champagne)}
.bar nav{display:flex;gap:28px;align-items:center;font-size:14px;letter-spacing:.02em}
.bar nav > a{color:var(--pewter);text-decoration:none;padding-block:4px;border-bottom:1px solid transparent}
.bar nav > a:hover{color:var(--ivory);border-bottom-color:var(--hairline)}

/* language menu (markup + behaviour shared with every SINAI Global page; restyled here) */
.lng{position:relative}
.lng summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:7px;border:1px solid var(--hairline);border-radius:999px;padding:4px 14px;color:var(--ivory);white-space:nowrap;user-select:none;font-size:13px}
.lng summary::-webkit-details-marker{display:none}
.lng summary::after{content:"";width:5px;height:5px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:translateY(-2px) rotate(45deg);margin-inline-start:2px;opacity:.7}
.lng[open] summary::after{transform:translateY(1px) rotate(225deg)}
.lng summary svg{width:13px;height:13px;fill:none;stroke:var(--champagne);stroke-width:1.1}
.lng summary:hover,.lng[open] summary{border-color:var(--champagne)}
.lng-list{position:absolute;top:calc(100% + 10px);inset-inline-end:0;z-index:20;min-width:160px;max-width:calc(100vw - 32px);display:flex;flex-direction:column;padding:6px;background:var(--graphite);border:1px solid var(--hairline);border-radius:4px;box-shadow:0 24px 48px -16px rgba(0,0,0,.7)}
.bar nav .lng-list a{color:var(--ivory);text-decoration:none;padding:8px 12px;border-radius:2px;text-align:start;font-size:15px;line-height:1.3;border:0}
.bar nav .lng-list a:hover{background:rgba(242,236,223,.05)}
.bar nav .lng-list a[aria-current]{color:var(--champagne);background:rgba(201,169,106,.08)}
.lng-list a[lang="ar"],.foot-lng [lang="ar"]{font-family:"IBM Plex Sans Arabic",system-ui,sans-serif}
.lng-list a[lang="he"],.foot-lng [lang="he"]{font-family:"Assistant",system-ui,sans-serif}

/* ── hero ── */
.hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(32px,6vw,88px);align-items:center;padding-block:clamp(72px,11vw,140px) clamp(80px,11vw,148px);position:relative}
.hero > div:first-child{position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:14px;font-size:13px;letter-spacing:.06em;color:var(--pewter)}
.hero .eyebrow::before,#early .eyebrow::before{content:"";width:36px;height:1px;background:var(--champagne)}
.hero h1{font-family:var(--display);font-size:clamp(46px,7.4vw,96px);font-weight:var(--h1-weight);line-height:var(--h1-lh);letter-spacing:var(--h1-track);margin-top:28px}
.hero h1 em{font-style:italic;color:var(--champagne-hi)}
html[lang="he"] .hero h1 em,html[lang="ar"] .hero h1 em{font-style:normal}
.hero p{max-width:50ch;color:var(--pewter);font-size:18px;line-height:1.75;margin-top:30px;font-weight:300}
html[lang="ar"] .hero p,html[lang="he"] .hero p{font-weight:400}
.stats{display:flex;flex-wrap:wrap;gap:16px;margin-top:44px}

/* buttons: the one solid gold surface on the page */
.btn{font:500 14px/1 var(--body);letter-spacing:.06em;background:var(--champagne);color:var(--onyx);border:1px solid var(--champagne);border-radius:2px;padding:17px 30px;cursor:pointer;text-decoration:none;display:inline-block;transition:background .25s,color .25s,border-color .25s}
.btn:hover{background:var(--champagne-hi);border-color:var(--champagne-hi);color:var(--onyx)}
.btn.small{background:transparent;color:var(--champagne);border-color:var(--hairline);padding:9px 16px;font-size:12px}
.btn.small:hover{background:transparent;border-color:var(--champagne);color:var(--champagne-hi)}
html[lang="he"] .btn,html[lang="ar"] .btn{letter-spacing:0;font-size:15px}

/* the network tree: drawn in gold hairline, owner node solid */
.netcore{position:relative;justify-self:end;width:100%;max-width:400px}
.netcore::before{content:"";position:absolute;left:50%;top:18%;width:1300px;height:1000px;transform:translate(-50%,-50%);
  background:rgba(201,169,106,.075);-webkit-mask:url(/assets/network.svg) center/contain no-repeat;mask:url(/assets/network.svg) center/contain no-repeat;pointer-events:none}
.netcore::after{content:"";position:absolute;left:50%;top:18%;width:760px;height:600px;transform:translate(-50%,-50%);
  background:radial-gradient(closest-side,rgba(201,169,106,.10),transparent);pointer-events:none;z-index:-1}
.tree{position:relative;width:100%;display:block;overflow:visible}
.tree rect{fill:var(--onyx);stroke:var(--champagne);stroke-width:.8;rx:1px}
.tree rect.me{fill:var(--champagne);stroke:var(--champagne)}
.tree line{stroke:var(--champagne);stroke-width:.7;opacity:.6}
.tree text{font-family:var(--display);font-size:13px;letter-spacing:.04em;fill:var(--ivory);font-variant-numeric:lining-nums}
.tree rect.me + text{fill:var(--onyx);font-weight:600}
.tree text:last-of-type{font-family:var(--body);font-size:9.5px;letter-spacing:.08em;fill:var(--pewter)}

/* ── sections ── */
section{padding-block:clamp(80px,10vw,128px);border-top:1px solid var(--rule)}
.sec-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px 32px;flex-wrap:wrap;margin-bottom:clamp(40px,5vw,64px)}
.sec-head h2,.grid2 h2{font-size:clamp(36px,4.8vw,58px);font-weight:300;letter-spacing:-.005em}
html[lang="ar"] .sec-head h2,html[lang="ar"] .grid2 h2{font-weight:400;line-height:1.35}
.sec-head .eyebrow{font-style:italic;font-family:var(--display);font-size:20px;letter-spacing:0;color:var(--pewter)}
html[lang="he"] .sec-head .eyebrow,html[lang="ar"] .sec-head .eyebrow{font-style:normal;font-size:18px}

/* features: a ruled 3×2 ledger, gold hairlines between cells, no cards */
.feats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--hairline)}
.feats > div{padding:36px clamp(20px,2.6vw,36px) 40px;border-bottom:1px solid var(--hairline)}
.feats > div:not(:nth-child(3n+1)){border-inline-start:1px solid var(--rule)}
.feats > div:nth-child(3n+1){padding-inline-start:0}
.feats h3{font-size:27px;font-weight:500;line-height:1.15;margin-bottom:14px;color:var(--ivory)}
html[lang="ar"] .feats h3{font-size:24px;font-weight:700;line-height:1.5}
html[lang="he"] .feats h3{font-size:24px;font-weight:500}
.feats p{color:var(--pewter);font-size:15.5px;line-height:1.75;max-width:40ch}

/* how it works: a real sequence, so it is numbered — in roman numerals, set in the display serif */
.method{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(24px,3vw,44px);counter-reset:step}
.method > div{position:relative;padding-top:28px;border-top:1px solid var(--hairline)}
.method > div::before{counter-increment:step;content:counter(step,upper-roman);position:absolute;top:-1px;inset-inline-start:0;transform:translateY(-50%);background:var(--onyx);padding-inline-end:14px;font-family:"Cormorant Garamond",Georgia,serif;font-size:22px;font-style:italic;color:var(--champagne);line-height:1}
.method h3{font-size:25px;font-weight:500;margin:10px 0 12px}
html[lang="ar"] .method h3{font-size:22px;font-weight:700;line-height:1.5}
.method p{color:var(--pewter);font-size:15.5px;line-height:1.75}

/* FAQ */
.faq details{border-bottom:1px solid var(--rule);padding-block:26px}
.faq details:first-of-type{border-top:1px solid var(--hairline)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:baseline;gap:24px;font-family:var(--display);font-size:clamp(22px,2.4vw,28px);font-weight:500;line-height:1.3}
html[lang="ar"] .faq summary{font-size:clamp(20px,2.2vw,24px);font-weight:700;line-height:1.6}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:none;font-family:"Cormorant Garamond",Georgia,serif;font-weight:300;font-size:30px;line-height:1;color:var(--champagne);transition:transform .3s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--pewter);margin-top:14px;max-width:64ch}
.faq .sec-head{margin-bottom:28px}

/* early access */
.grid2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(40px,7vw,96px);align-items:center}
.grid2 h2{margin-top:22px}
.grid2 p{color:var(--pewter);max-width:46ch;margin-top:20px}
.card{border:1px solid var(--hairline);padding:clamp(28px,3.4vw,44px);display:flex;flex-direction:column;gap:0;position:relative;background:linear-gradient(180deg,rgba(242,236,223,.025),transparent)}
.card::before{content:"";position:absolute;inset:6px;border:1px solid var(--rule);pointer-events:none}
.card .line{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding-block:18px;border-bottom:1px solid var(--rule);position:relative}
.card .val{font-family:var(--display);font-size:22px;letter-spacing:.01em;user-select:all;min-width:0;overflow-wrap:anywhere;direction:ltr;color:var(--ivory)}
.card > .btn{margin-top:30px;text-align:center;position:relative}

footer{padding-block:40px 48px;border-top:1px solid var(--rule);font-size:13px;color:var(--pewter);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{color:var(--pewter);text-decoration:none}
footer a:hover{color:var(--champagne)}
footer > span:first-child a{color:var(--champagne)}
.foot-lng a,.foot-lng span{white-space:nowrap}
.foot-lng [aria-current]{color:var(--ivory)}

/* ── responsive ── */
@media (max-width:900px){
  .hero{grid-template-columns:1fr;padding-block:56px 80px}
  .netcore{justify-self:start;max-width:300px}
  .feats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feats > div:not(:nth-child(3n+1)){border-inline-start:0}
  .feats > div:nth-child(3n+1){padding-inline-start:clamp(20px,2.6vw,36px)}
  .feats > div:nth-child(odd){padding-inline-start:0}
  .feats > div:nth-child(even){border-inline-start:1px solid var(--rule)}
  .method{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:52px}
  .grid2{grid-template-columns:1fr}
}
@media (max-width:620px){
  body{font-size:16px}
  .bar{padding-block:20px}
  .brand .logo img{width:172px}
  .brand .by{padding-left:48px}
  .bar nav > a{display:none}
  .feats{grid-template-columns:1fr}
  .feats > div,.feats > div:nth-child(n){padding-inline:0;border-inline-start:0}
  .method{grid-template-columns:1fr}
  .card .val{font-size:19px}
}

/* one orchestrated moment: the tree draws itself in on load; everything else stays still */
@media (prefers-reduced-motion:no-preference){
  .tree line{stroke-dasharray:120;stroke-dashoffset:120;animation:dl-draw 1.6s cubic-bezier(.3,.6,.2,1) .2s forwards}
  .tree rect{opacity:0;animation:dl-in .8s ease-out forwards}
  .tree rect.me{animation-delay:0s}
  .tree rect:not(.me){animation-delay:.9s}
  @keyframes dl-draw{to{stroke-dashoffset:0}}
  @keyframes dl-in{to{opacity:1}}
  /* lang.js adds .rv/.in reveal classes for the hub; keep them inert here */
}
.js .rv{opacity:1;transform:none}
body{font-variant-numeric:lining-nums}

/* Footer legal links (Privacy, Terms) stay quiet next to the SINAI Global link */
footer > span .legal a{color:var(--pewter);white-space:nowrap}
footer > span .legal a:hover{color:var(--champagne)}
html[lang="hi"]{--display:"Mukta","Cormorant Garamond",Georgia,serif;--body:"Mukta","Jost",Arial,system-ui,sans-serif;--h1-weight:500;--h1-lh:1.3;--h1-track:0}

/* Signature background, completed (the sinai-global method): film grain, slow drift of the network field,
   and a pulse on the owner node — the focal point. Off with reduced motion. */
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:90;opacity:.05;mix-blend-mode:overlay;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.netcore::before{background:rgba(201,169,106,.10)}
@media (prefers-reduced-motion:no-preference){
  .netcore::before{animation:dl-drift 38s ease-in-out infinite alternate}
  .netcore::after{animation:dl-glow 9s ease-in-out infinite alternate}
  .tree rect.me{animation:dl-in .8s ease-out forwards,dl-node 3s ease-out 1.4s infinite}
  @keyframes dl-drift{from{transform:translate(-50%,-50%) scale(1) rotate(0)}to{transform:translate(-50%,-50%) scale(1.07) rotate(-4deg)}}
  @keyframes dl-glow{from{opacity:.7}to{opacity:1}}
  @keyframes dl-node{0%{filter:drop-shadow(0 0 0 rgba(201,169,106,.75))}100%{filter:drop-shadow(0 0 14px rgba(201,169,106,0))}}
}

/* Flow: light runs along the network branches (rides on the glow layer, same centre as the field) */
.netcore::after{width:1300px;height:1000px;
  background:url(/assets/network-flow.svg) center/contain no-repeat,radial-gradient(closest-side,rgba(201,169,106,.10),transparent) center/58% 60% no-repeat}
@media (prefers-reduced-motion:no-preference){.netcore::after{animation:dl-drift 38s ease-in-out infinite alternate}}
@media (prefers-reduced-motion:reduce){.netcore::after{background:radial-gradient(closest-side,rgba(201,169,106,.10),transparent) center/58% 60% no-repeat}}