/* v347 — Core Institutional Trust & Causality sales surface */
.core347{--core-gold:#f4c463;--core-cyan:#4bdcff;--core-line:rgba(255,255,255,.10);--core-card:#08111c;--core-soft:#9eb0c2;overflow:hidden;background:#04090f;color:#fff}
.core347 *{box-sizing:border-box}.core347 a{text-decoration:none}.core347-shell{max-width:1180px;margin:0 auto}.core347-section{padding:94px 40px;border-bottom:1px solid var(--core-line);position:relative}.core347-kicker{font:800 .62rem/1.4 var(--f-mono);letter-spacing:.18em;text-transform:uppercase;color:var(--core-gold);margin-bottom:13px}.core347 h1,.core347 h2,.core347 h3{margin:0;color:#fff}.core347 h1{font-family:var(--f-display);font-size:clamp(2.6rem,6vw,5.6rem);line-height:.94;letter-spacing:-.045em;max-width:1000px}.core347 h2{font-family:var(--f-display);font-size:clamp(2rem,4vw,3.65rem);line-height:1.03;letter-spacing:-.03em}.core347 h3{font-size:1rem;line-height:1.35}.core347 p{color:var(--core-soft);line-height:1.85;font-weight:300}.core347 .accent{color:var(--core-gold)}.core347 .cyan{color:var(--core-cyan)}
.core347-hero{padding:118px 40px 88px;position:relative;border-bottom:1px solid var(--core-line);background:radial-gradient(circle at 82% 24%,rgba(75,220,255,.12),transparent 27%),radial-gradient(circle at 17% 0%,rgba(244,196,99,.10),transparent 24%),#04090f}.core347-hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:46px 46px;mask-image:linear-gradient(to bottom,#000,transparent 75%);pointer-events:none}.core347-hero-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:minmax(0,1.28fr) minmax(300px,.72fr);gap:72px;align-items:center;position:relative}.core347-hero p{font-size:1.03rem;max-width:760px;margin:24px 0 30px}.core347-actions{display:flex;gap:12px;flex-wrap:wrap}.core347-actions a{min-height:48px;display:inline-flex;align-items:center;justify-content:center;padding:0 20px;border-radius:5px;font:800 .62rem var(--f-mono);letter-spacing:.08em;text-transform:uppercase}.core347-primary{background:var(--core-gold);color:#071019}.core347-secondary{border:1px solid rgba(75,220,255,.35);color:var(--core-cyan);background:rgba(75,220,255,.04)}.core347-brand-card{border:1px solid rgba(244,196,99,.25);border-radius:14px;padding:20px;background:linear-gradient(145deg,rgba(244,196,99,.07),rgba(75,220,255,.03));box-shadow:0 30px 80px rgba(0,0,0,.34)}.core347-brand-card img{display:block;width:100%;height:auto;border-radius:9px}.core347-hero-strip{max-width:1180px;margin:42px auto 0;position:relative;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--core-line);border-radius:8px;overflow:hidden;background:rgba(4,9,15,.6)}.core347-stat{padding:18px 20px;border-right:1px solid var(--core-line)}.core347-stat:last-child{border-right:0}.core347-stat strong{display:block;font:800 .72rem var(--f-mono);color:#fff;margin-bottom:5px}.core347-stat span{font-size:.69rem;color:var(--core-soft)}
.core347-problem{background:#070d15}.core347-center{text-align:center;max-width:900px;margin:0 auto}.core347-center p{max-width:780px;margin:18px auto 0}.core347-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:42px}.core347-card{padding:26px;border:1px solid var(--core-line);background:var(--core-card);border-radius:9px}.core347-card .num{font:800 .58rem var(--f-mono);letter-spacing:.14em;color:var(--core-gold);margin-bottom:16px}.core347-card p{font-size:.78rem;margin:9px 0 0}.core347-card strong{color:#fff}
.core347-pillars{background:#04090f}.core347-pill-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:42px;background:var(--core-line);border:1px solid var(--core-line);border-radius:9px;overflow:hidden}.core347-pillar{background:#07101a;padding:28px;min-height:190px}.core347-pillar .verb{font:800 1.22rem var(--f-mono);letter-spacing:.04em;color:var(--core-cyan);margin-bottom:12px}.core347-pillar p{font-size:.75rem;margin:0}
.core347-chain{background:#07101a}.core347-flow{margin-top:40px;display:grid;grid-template-columns:repeat(6,1fr);gap:8px}.core347-flow div{min-height:90px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:13px;border:1px solid var(--core-line);border-radius:7px;background:#050b13;position:relative}.core347-flow div:not(:last-child):after{content:"→";position:absolute;right:-11px;color:var(--core-gold);z-index:3;font-family:var(--f-mono)}.core347-flow strong{font:800 .58rem var(--f-mono);letter-spacing:.08em;color:#fff}.core347-flow span{font-size:.62rem;color:var(--core-soft);margin-top:6px}.core347-claim{margin-top:34px;padding:20px 24px;border-left:3px solid var(--core-gold);background:rgba(244,196,99,.05);color:#d8e1ea;font-size:.82rem;line-height:1.75}
.core347-split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:start}.core347-feature-list{display:grid;gap:10px;margin-top:28px}.core347-feature{padding:16px 18px;border:1px solid var(--core-line);border-radius:7px;background:#07101a}.core347-feature strong{display:block;font-size:.78rem;color:#fff;margin-bottom:4px}.core347-feature span{font-size:.7rem;color:var(--core-soft);line-height:1.55}.core347-quote{padding:30px;border:1px solid rgba(75,220,255,.23);background:linear-gradient(135deg,rgba(75,220,255,.07),rgba(244,196,99,.03));border-radius:10px}.core347-quote big{display:block;font-family:var(--f-display);font-size:clamp(1.55rem,3vw,2.5rem);line-height:1.15;color:#fff}.core347-quote p{font-size:.76rem;margin:18px 0 0}
.core347-darkcall{background:#020609;text-align:center}.core347-darkcall h2{max-width:880px;margin:0 auto}.core347-darkcall p{max-width:720px;margin:18px auto 30px}.core347-mono{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.03em}.core347-boundary{margin-top:36px;display:grid;grid-template-columns:1fr 1fr;gap:12px}.core347-boundary div{padding:17px 19px;border:1px solid var(--core-line);border-radius:7px;background:#050b13;font:.66rem/1.6 var(--f-mono);color:#c9d5df}.core347-boundary b{color:var(--core-gold)}
.core347-assurance{display:grid;grid-template-columns:repeat(9,1fr);gap:6px;margin-top:34px}.core347-level{padding:15px 7px;border:1px solid var(--core-line);border-radius:6px;background:#07101a;text-align:center}.core347-level b{display:block;color:var(--core-gold);font:800 .7rem var(--f-mono)}.core347-level span{display:block;font-size:.54rem;color:var(--core-soft);margin-top:6px;line-height:1.35}
.core347-audits{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:34px}.core347-audit{padding:22px;border:1px solid var(--core-line);border-radius:8px;background:#07101a}.core347-audit strong{font:800 1.25rem var(--f-mono);color:var(--core-cyan)}.core347-audit span{display:block;font-size:.7rem;color:var(--core-soft);margin-top:8px}.core347-note{font-size:.64rem;color:#71849a;margin-top:18px}
.core347-sectors{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:36px}.core347-sector{padding:22px;border:1px solid var(--core-line);border-radius:8px}.core347-sector h3{margin-bottom:7px}.core347-sector p{font-size:.72rem;margin:0}
.core347-final{padding:110px 40px;background:radial-gradient(circle at 50% 0,rgba(244,196,99,.09),transparent 35%),#020609;text-align:center}.core347-final p{max-width:680px;margin:20px auto 30px}.core347-mini-nav{position:sticky;top:var(--nav-offset,86px);z-index:30;background:rgba(4,9,15,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--core-line)}.core347-mini-nav .core347-shell{display:flex;gap:6px;overflow-x:auto;padding:9px 20px;scrollbar-width:none}.core347-mini-nav a{white-space:nowrap;padding:8px 11px;border-radius:4px;color:#a7b7c7;font:700 .56rem var(--f-mono);letter-spacing:.06em}.core347-mini-nav a:hover{background:rgba(255,255,255,.05);color:#fff}
@media(max-width:980px){.core347-hero-grid,.core347-split{grid-template-columns:1fr}.core347-brand-card{max-width:520px}.core347-grid3,.core347-sectors,.core347-audits{grid-template-columns:1fr 1fr}.core347-pill-grid{grid-template-columns:1fr 1fr}.core347-flow{grid-template-columns:repeat(3,1fr)}.core347-flow div:nth-child(3):after{display:none}.core347-assurance{grid-template-columns:repeat(3,1fr)}.core347-hero-strip{grid-template-columns:1fr 1fr}.core347-stat:nth-child(2){border-right:0}.core347-stat:nth-child(-n+2){border-bottom:1px solid var(--core-line)}}
@media(max-width:640px){.core347-section,.core347-hero,.core347-final{padding-left:18px;padding-right:18px}.core347-hero{padding-top:74px}.core347 h1{font-size:clamp(2.25rem,13vw,3.7rem)}.core347-grid3,.core347-sectors,.core347-audits,.core347-pill-grid,.core347-boundary{grid-template-columns:1fr}.core347-flow{grid-template-columns:1fr}.core347-flow div:not(:last-child):after{content:"↓";right:auto;bottom:-14px}.core347-assurance{grid-template-columns:repeat(3,1fr)}.core347-actions a{width:100%}.core347-hero-strip{grid-template-columns:1fr}.core347-stat,.core347-stat:nth-child(2){border-right:0;border-bottom:1px solid var(--core-line)}.core347-stat:last-child{border-bottom:0}.core347-mini-nav{top:64px}}