/* FinanceGPT WEB13D - quantitative proof and case studies. */
:root{--fg13d-ink:#0b1220;--fg13d-copy:#435066;--fg13d-line:#dfe5ee;--fg13d-soft:#f5f7fb;--fg13d-blue:#2563eb;--fg13d-green:#047857;--fg13d-purple:#7c3aed;--fg13d-amber:#a16207;--fg13d-dark:#08111f;--fg13d-dark2:#101d31}
.fg13d-shell{width:min(1180px,calc(100% - 40px));margin:0 auto}.fg13d-hero{padding:88px 0 72px;background:radial-gradient(circle at 85% 15%,rgba(37,99,235,.16),transparent 34%),linear-gradient(180deg,#fff 0%,#f7f9fd 100%);border-bottom:1px solid var(--fg13d-line)}.fg13d-hero--record{padding-bottom:60px}.fg13d-hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}.fg13d-eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#31558e;margin-bottom:14px}.fg13d-hero h1{font-size:clamp(44px,6vw,76px);line-height:.98;letter-spacing:-.055em;color:var(--fg13d-ink);max-width:900px;margin:0 0 24px}.fg13d-lead{font-size:20px;line-height:1.65;color:var(--fg13d-copy);max-width:810px}.fg13d-principle{margin-top:26px;padding:18px 20px;border-left:4px solid var(--fg13d-blue);background:#fff;border-radius:0 12px 12px 0;box-shadow:0 10px 30px rgba(11,18,32,.06);color:#334155;font-size:17px}.fg13d-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.fg13d-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border:1px solid #cfd7e6;border-radius:10px;color:#172033!important;text-decoration:none!important;font-weight:700;background:#fff}.fg13d-btn--primary{background:var(--fg13d-ink);border-color:var(--fg13d-ink);color:#fff!important}.fg13d-btn--light{background:#fff;border-color:#fff;color:#111827!important}.fg13d-evidence-stack{display:grid;gap:12px}.fg13d-evidence-card{padding:18px 20px;border:1px solid var(--fg13d-line);border-radius:14px;background:#fff;box-shadow:0 10px 28px rgba(11,18,32,.05)}.fg13d-evidence-card span{font-size:12px;font-weight:900;letter-spacing:.13em;text-transform:uppercase}.fg13d-evidence-card p{margin:6px 0 0;color:var(--fg13d-copy);line-height:1.55}.fg13d-evidence-card--observed{border-left:5px solid var(--fg13d-green)}.fg13d-evidence-card--calculated{border-left:5px solid var(--fg13d-blue)}.fg13d-evidence-card--generated{border-left:5px solid var(--fg13d-purple)}.fg13d-evidence-card--authority{border-left:5px solid var(--fg13d-amber)}.fg13d-definition{background:var(--fg13d-ink);color:#fff;padding:25px 0}.fg13d-definition span{display:block;font-size:11px;font-weight:900;letter-spacing:.15em;color:#9fb4d8;margin-bottom:7px}.fg13d-definition p{font-size:18px;line-height:1.6;margin:0;max-width:1040px}.fg13d-section{padding:76px 0;background:#fff}.fg13d-section--soft{background:var(--fg13d-soft)}.fg13d-section--dark{background:linear-gradient(145deg,var(--fg13d-dark),var(--fg13d-dark2));color:#fff}.fg13d-standard-grid,.fg13d-final-grid,.fg13d-historical-grid,.fg13d-related{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px}.fg13d-section h2{font-size:clamp(30px,4vw,48px);line-height:1.08;letter-spacing:-.04em;color:var(--fg13d-ink);margin:0 0 18px}.fg13d-section--dark h2{color:#fff}.fg13d-section p{color:var(--fg13d-copy);font-size:17px;line-height:1.65}.fg13d-section--dark p{color:#c3cedd}.fg13d-standard-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}.fg13d-standard-list li{display:grid;grid-template-columns:48px 1fr;gap:14px;align-items:start;padding:16px 18px;background:var(--fg13d-soft);border:1px solid var(--fg13d-line);border-radius:12px}.fg13d-standard-list li>span{font-weight:900;color:var(--fg13d-blue)}.fg13d-standard-list p{font-size:15px;margin:0}.fg13d-heading{max-width:820px;margin-bottom:34px}.fg13d-proof-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.fg13d-proof-card{padding:28px;border-radius:18px;border:1px solid var(--fg13d-line);background:#fff;display:flex;flex-direction:column;min-height:330px}.fg13d-proof-card__type{font-size:11px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;color:#55647b}.fg13d-proof-card h3{font-size:25px;line-height:1.15;letter-spacing:-.025em;color:var(--fg13d-ink);margin:12px 0}.fg13d-proof-card p{font-size:15px;margin-bottom:18px}.fg13d-proof-card>a{margin-top:auto;font-weight:800;color:#164db7;text-decoration:none}.fg13d-flow-mini{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:22px}.fg13d-flow-mini span{font-size:11px;font-weight:750;padding:7px 9px;border-radius:999px;background:#eef3fb;color:#34435b}.fg13d-measured{font-size:24px!important;font-weight:850;color:#fff!important}.fg13d-boundary-note{border-left:3px solid #60a5fa;padding-left:16px}.fg13d-historical-bars{display:grid;gap:18px;align-content:center}.fg13d-historical-bars>div{display:grid;gap:7px}.fg13d-historical-bars span{font-size:13px;color:#cad5e5}.fg13d-historical-bars b{display:block;width:var(--fg13d-value);max-width:100%;padding:12px 14px;border-radius:8px;background:#2563eb;color:#fff}.fg13d-historical-bars>div:nth-child(2) b{background:#526176}.fg13d-final-copy p{margin-top:0}.fg13d-back{display:inline-block;margin-bottom:28px;color:#44536b;text-decoration:none;font-weight:700}.fg13d-record-meta{display:grid;grid-template-columns:auto 1fr auto 1fr;gap:8px 14px;align-items:center;margin-top:28px;max-width:720px;padding:16px;border-radius:12px;border:1px solid var(--fg13d-line);background:#fff}.fg13d-record-meta span{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:#66758c}.fg13d-record-meta strong{font-size:14px;color:var(--fg13d-ink)}.fg13d-flow{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;margin-top:20px}.fg13d-flow>div{position:relative;min-height:116px;padding:18px 14px;border-radius:12px;background:#fff;border:1px solid var(--fg13d-line)}.fg13d-flow>div:not(:last-child):after{content:'→';position:absolute;right:-10px;top:46px;z-index:2;color:#8190a6;font-weight:900}.fg13d-flow span{display:block;font-size:11px;font-weight:900;color:#6d7c90;margin-bottom:14px}.fg13d-flow strong{display:block;color:var(--fg13d-ink);font-size:14px;line-height:1.35}.fg13d-detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.fg13d-detail-card{padding:28px;border:1px solid var(--fg13d-line);border-top:5px solid var(--fg13d-green);border-radius:16px;background:#fff}.fg13d-detail-card--calc{border-top-color:var(--fg13d-blue)}.fg13d-detail-card--generated{border-top-color:var(--fg13d-purple)}.fg13d-detail-card--authority{border-top-color:var(--fg13d-amber)}.fg13d-evidence-label{font-size:11px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;color:#53627a}.fg13d-detail-card h2{font-size:29px;margin-top:10px}.fg13d-detail-card ul,.fg13d-check-list,.fg13d-x-list{padding-left:20px;margin:18px 0 0}.fg13d-detail-card li,.fg13d-check-list li,.fg13d-x-list li{margin:0 0 12px;line-height:1.55}.fg13d-detail-card li{color:#45546b}.fg13d-claim-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}.fg13d-claim-grid .fg13d-eyebrow{color:#9fb4d8}.fg13d-check-list li,.fg13d-x-list li{color:#d5deea}.fg13d-related__links{display:grid;gap:10px}.fg13d-related__links a{display:flex;justify-content:space-between;gap:24px;padding:18px 20px;border:1px solid var(--fg13d-line);border-radius:12px;text-decoration:none;background:#fff}.fg13d-related__links strong{color:var(--fg13d-ink)}.fg13d-related__links span{color:#68768b;text-align:right}.fg13d-legacy-proof{padding:70px 0}.fg13d-legacy-proof__notice{padding:18px 20px;border:1px solid #bfdbfe;border-radius:12px;background:#eff6ff;color:#29435f}.fg13d-legacy-proof__bars{display:grid;gap:14px;max-width:760px;margin:30px 0}.fg13d-legacy-proof__bars div{display:grid;gap:6px}.fg13d-legacy-proof__bars b{display:block;padding:12px 14px;color:#fff;background:#2563eb;border-radius:8px;width:var(--fg13d-value)}.fg13d-legacy-proof__bars div:nth-child(2) b{background:#64748b}
@media(max-width:900px){.fg13d-hero__grid,.fg13d-standard-grid,.fg13d-final-grid,.fg13d-historical-grid,.fg13d-related,.fg13d-claim-grid{grid-template-columns:1fr}.fg13d-flow{grid-template-columns:repeat(3,minmax(0,1fr))}.fg13d-flow>div:after{display:none}}
@media(max-width:700px){.fg13d-shell{width:min(100% - 28px,1180px)}.fg13d-hero{padding:62px 0 52px}.fg13d-hero h1{font-size:43px}.fg13d-lead{font-size:17px}.fg13d-section{padding:56px 0}.fg13d-proof-grid,.fg13d-detail-grid,.fg13d-flow{grid-template-columns:1fr}.fg13d-proof-card{min-height:0}.fg13d-record-meta{grid-template-columns:1fr 1fr}.fg13d-related__links a{display:block}.fg13d-related__links span{display:block;text-align:left;margin-top:6px}}