:root{
  --ink:#000000;--panel:#141414;--panel-2:#1c1c1c;
  --blue:#1863DC;--teal:#85181A;--green:#2F7D4F;--amber:#B5790C;--coral:#A7413F;
  --bg:#FFFFFF;--bg-soft:#FAFAFA;--white:#FFFFFF;
  --line-dark:rgba(0,0,0,.12);--line-light:rgba(0,0,0,.12);
  --text-dark:#2B2B2B;--text-dim:#5C5C5C;--text-onink:#2B2B2B;--text-onink-dim:#5C5C5C;
  --sans:"Manrope",Inter,-apple-system,sans-serif;
  --body:"Inter",-apple-system,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text-dark);font-family:var(--body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--sans);font-weight:700;letter-spacing:-.012em;margin:0;line-height:1.15}
p{margin:0}
a{color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 36px}
@media(max-width:720px){.wrap{padding:0 20px}}
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.13em;text-transform:uppercase;font-weight:600;color:var(--blue)}
.section{padding:80px 0}
@media(max-width:720px){.section{padding:52px 0}}
.section-soft{background:var(--bg-soft)}
.section-border{border-top:1px solid var(--line-light)}
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--sans);font-size:13.5px;font-weight:700;padding:13px 22px;border-radius:3px;text-decoration:none;cursor:pointer;border:1px solid transparent;transition:transform .12s,background .12s,border-color .12s;letter-spacing:.01em}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:#6E1315;transform:translateY(-1px)}
.btn-ghost{border-color:var(--line-dark);color:var(--text-dark);background:transparent}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal)}
.btn-sm{padding:9px 16px;font-size:12.5px}
::selection{background:var(--blue);color:#fff}

/* ── NAV ─────────────────────────────────── */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line-light)}
.nav-inner{max-width:1220px;margin:0 auto;padding:0 36px;height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text-dark)}
.brand-mark{width:22px;height:22px;flex:none}
.brand-word{font-family:var(--sans);font-weight:800;font-size:15px;letter-spacing:.01em}
.brand-sub{font-family:var(--mono);font-size:8.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--text-dim);display:block;margin-top:1px}
.nav-links{display:flex;gap:15px;align-items:center}
@media(max-width:1180px){.nav-links{display:none}}
.nav-links a{font-family:var(--sans);font-size:11.5px;font-weight:600;color:var(--text-dim);text-decoration:none;letter-spacing:.01em;white-space:nowrap}
.nav-links a:hover{color:var(--teal)}
.nav-cta{font-family:var(--sans);font-size:12px;font-weight:700;color:#fff;background:var(--teal);padding:9px 14px;border-radius:3px;text-decoration:none;white-space:nowrap;letter-spacing:.01em}
.nav-cta .full{display:inline}
.nav-cta .short{display:none}
@media(max-width:520px){.nav-cta{padding:8px 10px;font-size:10.5px}.nav-cta .full{display:none}.nav-cta .short{display:inline}}
.nav-cta:hover{background:#6E1315}

/* ── HERO ────────────────────────────────── */
.hero{background:var(--bg);border-bottom:1px solid var(--line-light);padding:64px 0 56px}
@media(max-width:720px){.hero{padding:44px 0 40px}}
.hero-tag{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;color:var(--teal);margin-bottom:18px;display:block}
.hero h1{font-size:clamp(30px,4vw,52px);line-height:1.08;color:var(--text-dark);max-width:760px;margin-bottom:20px}
.hero-lede{font-family:var(--sans);font-size:17px;font-weight:500;color:var(--text-dim);line-height:1.55;max-width:620px;margin-bottom:28px}
.chain-pill{display:flex;flex-wrap:wrap;align-items:center;gap:0;background:var(--bg-soft);border:1px solid var(--line-light);border-radius:3px;padding:12px 16px;margin-bottom:32px;max-width:760px}
.chain-pill .cn{font-family:var(--mono);font-size:10.5px;font-weight:600;letter-spacing:.04em;color:var(--blue);white-space:nowrap}
.chain-pill .ca{font-size:11px;color:var(--text-dim);margin:0 6px;flex-shrink:0}
.chain-pill .cn.core{color:var(--teal)}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap}

/* ── PROBLEM STATEMENT ──────────────────── */
.problem-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-light);border:1px solid var(--line-light);margin-top:32px;max-width:780px}
@media(max-width:600px){.problem-grid{grid-template-columns:1fr}}
.problem-cell{background:var(--white);padding:22px 20px}
.problem-cell .q{font-family:var(--sans);font-weight:700;font-size:15px;color:var(--text-dark);line-height:1.4;margin-bottom:6px}
.problem-cell .sub{font-size:13px;color:var(--text-dim);line-height:1.5}

/* ── DEMONSTRATOR PANEL ─────────────────── */
.demo-panel{border:1px solid var(--line-light);background:var(--white)}
.demo-panel-head{padding:20px 26px;border-bottom:1px solid var(--line-light);background:var(--bg-soft);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.demo-panel-title{font-family:var(--sans);font-weight:800;font-size:14px;color:var(--text-dark)}
.demo-panel-sub{font-family:var(--mono);font-size:10px;color:var(--text-dim);letter-spacing:.04em;text-transform:uppercase}
.demo-version{font-family:var(--mono);font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:4px 10px;border-radius:2px}
.demo-version.v36{background:rgba(24,99,220,.1);color:var(--blue)}
.demo-version.v40{background:rgba(181,121,12,.12);color:#8a5f0d}
.demo-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-light)}
@media(max-width:720px){.demo-metrics{grid-template-columns:repeat(2,1fr)}}
.dm{background:var(--white);padding:18px 20px}
.dm .dl{font-family:var(--mono);font-size:9.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim);margin-bottom:6px}
.dm .dv{font-family:var(--sans);font-size:24px;font-weight:800;color:var(--text-dark);font-variant-numeric:tabular-nums;line-height:1}
.dm .dv.red{color:#a7413f} .dm .dv.amber{color:#8a5f0d} .dm .dv.green{color:#2f7d45}
.dm .df{font-size:11px;color:var(--text-dim);margin-top:5px}
.demo-interactive{display:grid;grid-template-columns:240px 1fr}
@media(max-width:800px){.demo-interactive{grid-template-columns:1fr}}
.demo-controls{padding:22px 24px;border-right:1px solid var(--line-light)}
@media(max-width:800px){.demo-controls{border-right:none;border-bottom:1px solid var(--line-light)}}
.ctrl-label{font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);margin-bottom:8px;display:block}
.ctrl-opts{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:18px}
.ctrl-opt{font-family:var(--sans);font-size:11px;font-weight:700;padding:5px 10px;border:1px solid var(--line-light);background:#fff;cursor:pointer;border-radius:2px;color:var(--text-dim);transition:all .1s}
.ctrl-opt.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.ctrl-opt[data-scenario="severe"].on{background:var(--coral);border-color:var(--coral)}
.ctrl-opt[data-scenario="managed"].on{background:var(--amber);border-color:var(--amber);color:#241a02}
.demo-outputs{padding:22px 24px}
.kpi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-light);border:1px solid var(--line-light)}
@media(max-width:600px){.kpi-grid{grid-template-columns:1fr 1fr}}
.kpi{background:#fff;padding:14px 15px}
.kpi .kl{font-family:var(--mono);font-size:9px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-dim)}
.kpi .kv{font-family:var(--sans);font-size:19px;font-weight:800;margin-top:6px;color:var(--text-dark);font-variant-numeric:tabular-nums;line-height:1}
.kpi .kv.amber{color:#8a5f0d} .kpi .kv.coral{color:#a7413f} .kpi .kv.green{color:#2f7d45}
.kpi .kf{font-size:10px;color:var(--text-dim);margin-top:4px;line-height:1.4}
.demo-flag{margin-top:12px;font-family:var(--mono);font-size:9.5px;color:var(--text-dim);letter-spacing:.02em}
.demo-caption{padding:12px 26px;border-top:1px solid var(--line-light);font-family:var(--mono);font-size:10px;color:var(--text-dim);background:var(--bg-soft);letter-spacing:.02em}

/* ── ARCH CHAIN (hero right panel) ──────── */
.chain-nodes{display:flex;flex-direction:column}
.cnode{display:flex;align-items:center;gap:12px;padding:8px 12px;border-radius:2px}
.cnode .dot{width:7px;height:7px;border-radius:50%;background:var(--blue);flex:none;box-shadow:0 0 0 3px rgba(24,99,220,.15)}
.cnode.core .dot{background:var(--teal);box-shadow:0 0 0 3px rgba(133,24,26,.2)}
.cnode .lbl{font-family:var(--mono);font-size:11.5px;letter-spacing:.03em;color:var(--text-dark)}
.cnode.core{background:rgba(133,24,26,.07);border:1px solid rgba(133,24,26,.3)}
.cnode.core .lbl{color:var(--teal);font-weight:700}
.cconn{width:1px;height:12px;background:var(--line-dark);margin-left:15px;overflow:hidden;position:relative}
.cconn::after{content:"";position:absolute;top:-40%;left:0;width:100%;height:40%;background:linear-gradient(var(--teal),transparent);animation:flow 2.4s linear infinite}
@keyframes flow{0%{top:-40%}100%{top:100%}}

/* ── ARCH SECTION ────────────────────────── */
.arch-cols{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-light);border:1px solid var(--line-light);margin-top:32px}
@media(max-width:720px){.arch-cols{grid-template-columns:1fr}}
.arch-cols-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-light);border:1px solid var(--line-light);margin-top:32px}
@media(max-width:760px){.arch-cols-3{grid-template-columns:1fr}}
.arch-cols-5{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line-light);border:1px solid var(--line-light);margin-top:20px}
@media(max-width:900px){.arch-cols-5{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.arch-cols-5{grid-template-columns:1fr}}
.arch-col{background:var(--white);padding:26px 24px}
.arch-badge{display:inline-block;font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;text-transform:uppercase;padding:4px 9px;border-radius:2px;margin-bottom:12px;font-weight:700}
.arch-badge.v36{background:rgba(24,99,220,.1);color:var(--blue)}
.arch-badge.v40{background:rgba(181,121,12,.1);color:#8a5f0d}
.arch-col h3{font-size:16px;color:var(--text-dark);margin-bottom:10px}
.arch-col p{font-size:13px;color:var(--text-dim);line-height:1.6;margin-bottom:14px}
.arch-tags{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:16px}
.arch-tag{font-family:var(--mono);font-size:9.5px;letter-spacing:.04em;text-transform:uppercase;padding:3px 8px;border:1px solid var(--line-light);color:var(--text-dim);border-radius:2px}
.arch-tag.blue{border-color:rgba(24,99,220,.3);color:var(--blue)}
.arch-link{font-family:var(--sans);font-weight:700;font-size:13px;color:var(--blue);text-decoration:none;display:inline-flex;gap:6px;align-items:center}
.arch-link:hover{gap:10px}
.arch-connector{grid-column:1/-1;background:var(--bg-soft);padding:14px 22px;font-size:13px;color:var(--text-dark);border-top:1px solid var(--line-light);line-height:1.55}
.arch-connector strong{color:var(--teal)}

/* ── DIFF PILLARS ────────────────────────── */
.diff-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line-light);border:1px solid var(--line-light);margin-top:28px}
@media(max-width:900px){.diff-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.diff-grid{grid-template-columns:1fr}}
.diff-item{background:#fff;padding:22px 18px}
.diff-num{font-family:var(--mono);font-size:9.5px;color:var(--blue);letter-spacing:.06em;margin-bottom:8px}
.diff-title{font-family:var(--sans);font-weight:700;font-size:13.5px;color:var(--text-dark);margin-bottom:8px}
.diff-text{font-size:12.5px;color:var(--text-dim);line-height:1.55}

/* ── EVIDENCE SOURCES ────────────────────── */
.src-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-light);border:1px solid var(--line-light);margin-top:24px}
@media(max-width:880px){.src-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.src-grid{grid-template-columns:1fr}}
.src{background:#fff;padding:18px 16px}
.src-icon{font-size:18px;margin-bottom:6px}
.src-name{font-family:var(--sans);font-weight:700;font-size:13px;color:var(--text-dark);margin-bottom:4px}
.src-note{font-size:11.5px;color:var(--text-dim);line-height:1.5}
.src-insight{margin-top:20px;padding:18px 22px;background:var(--bg-soft);border-left:3px solid var(--teal);font-size:14px;color:var(--text-dark);line-height:1.6}
.src-insight strong{display:block;margin-bottom:6px}

/* ── PERSONAS ─────────────────────────────── */
.persona-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-light);border:1px solid var(--line-light);margin-top:28px}
@media(max-width:720px){.persona-grid{grid-template-columns:1fr}}
.persona{background:#fff;padding:24px 22px}
.persona-role{font-family:var(--mono);font-size:10px;color:var(--teal);letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px;font-weight:700}
.persona-q{font-family:var(--sans);font-weight:700;font-size:15px;color:var(--text-dark);line-height:1.4}
.eco-pathway{font-family:var(--mono);font-size:10.5px;color:var(--blue);letter-spacing:.02em;margin-top:8px;margin-bottom:8px}
.eco-desc{font-size:13px;color:var(--text-dim);line-height:1.55}
.bcr-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-light);border:1px solid var(--line-light);margin-top:24px}
@media(max-width:800px){.bcr-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.bcr-grid{grid-template-columns:1fr}}
.bcr-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-light);border:1px solid var(--line-light)}
@media(max-width:860px){.bcr-grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.bcr-grid-4{grid-template-columns:1fr}}
.bcr-item{background:#fff;padding:18px 16px}
.bcr-num{font-family:var(--mono);font-size:9.5px;color:var(--blue);letter-spacing:.06em;margin-bottom:6px}
.bcr-title{font-family:var(--sans);font-weight:700;font-size:13px;color:var(--text-dark);margin-bottom:6px}
.bcr-text{font-size:12px;color:var(--text-dim);line-height:1.5}
.workflow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-light);border:1px solid var(--line-light);margin-top:24px}
@media(max-width:800px){.workflow-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.workflow-grid{grid-template-columns:1fr}}
.wf-item{background:#fff;padding:16px 15px}
.wf-step{font-family:var(--mono);font-size:9px;color:var(--teal);letter-spacing:.06em;margin-bottom:5px}
.wf-text{font-size:12.5px;color:var(--text-dark);font-weight:600;line-height:1.4}

/* ── PARTNERSHIP FLOW ────────────────────── */
.pflow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;gap:12px;align-items:stretch;margin-top:32px}
@media(max-width:860px){.pflow{grid-template-columns:1fr}}
.pf-col{border:1px solid var(--line-light);padding:20px 18px;background:var(--bg-soft)}
.pf-col.core{background:rgba(133,24,26,.07);border-color:rgba(133,24,26,.3)}
.pf-col h5{font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--teal);margin-bottom:8px}
.pf-col ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:5px}
.pf-col li{font-size:12px;color:var(--text-dark)}
.pf-arrow{display:flex;align-items:center;justify-content:center;color:var(--teal);font-size:18px;font-weight:300}
@media(max-width:860px){.pf-arrow{transform:rotate(90deg);margin:0 auto;height:24px}}

/* ── HAZARDS ─────────────────────────────── */
.hz-matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:24px}
@media(max-width:860px){.hz-matrix{grid-template-columns:repeat(3,1fr)}}
@media(max-width:520px){.hz-matrix{grid-template-columns:repeat(2,1fr)}}
.hz{border:1px solid var(--line-light);background:#fff;padding:9px 10px;border-radius:2px;font-family:var(--sans);font-size:11px;font-weight:600;color:var(--text-dark);display:flex;align-items:center;gap:6px}
.hz .dot{width:5px;height:5px;border-radius:50%;background:var(--text-dim);flex:none}
.hz.flagship{border-color:var(--teal);background:rgba(133,24,26,.05);color:var(--teal)}
.hz.flagship .dot{background:var(--teal)}
.hz.arch .dot{background:var(--blue)}

/* ── METHODOLOGY CTA ─────────────────────── */
.method-cta{border:1px solid var(--line-light);padding:44px 48px;margin-top:32px;background:var(--white)}
@media(max-width:720px){.method-cta{padding:32px 24px}}
.method-cta h2{font-size:clamp(22px,2.8vw,34px);color:var(--text-dark);max-width:560px;margin-bottom:16px}
.method-cta p{font-size:14.5px;color:var(--text-dim);max-width:600px;line-height:1.7;margin-bottom:28px}

/* ── TRUST / FOOTER ──────────────────────── */
.trust-strip{padding:16px 0;border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);display:flex;flex-wrap:wrap;gap:22px;justify-content:center}
.trust-strip span{font-family:var(--mono);font-size:10px;letter-spacing:.05em;text-transform:uppercase;color:var(--text-dim)}
footer{background:var(--bg-soft);padding:48px 0 24px;border-top:1px solid var(--line-light)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:28px;padding-bottom:32px}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr 1fr}}
.footer-grid h5{font-family:var(--mono);font-size:10px;letter-spacing:.07em;text-transform:uppercase;color:var(--text-dark);margin-bottom:12px}
.footer-grid a{display:block;font-size:12px;color:var(--text-dim);text-decoration:none;margin-bottom:7px}
.footer-grid a:hover{color:var(--teal)}
.footer-legal{font-size:11px;color:#8a8a8a;line-height:1.7;padding-top:20px;border-top:1px solid var(--line-dark)}
.footer-bottom{display:flex;justify-content:space-between;padding-top:16px;font-size:11px;color:#8a8a8a;flex-wrap:wrap;gap:8px}

/* ── 7-MIN OVERLAY ───────────────────────── */
.fab{position:fixed;bottom:20px;right:20px;z-index:150;background:var(--teal);color:#fff;font-family:var(--sans);font-weight:700;font-size:11px;letter-spacing:.02em;padding:12px 16px;border-radius:3px;border:none;cursor:pointer;box-shadow:0 4px 20px rgba(0,0,0,.3);display:flex;align-items:center;gap:7px}
.fab:hover{background:#6E1315}
.sixty-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.sixty-overlay.open{display:flex}
.sixty-panel{background:#fff;border:1px solid var(--line-light);max-width:480px;width:100%;padding:34px 30px;position:relative;color:var(--text-dark)}
.sixty-close{position:absolute;top:12px;right:14px;background:none;border:none;color:var(--text-dim);font-size:18px;cursor:pointer}
.sixty-step{display:none;flex-direction:column;gap:10px}
.sixty-step.active{display:flex}
.sixty-step .sl{font-family:var(--mono);font-size:10px;color:var(--teal);letter-spacing:.07em;text-transform:uppercase}
.sixty-step p{font-size:15.5px;font-weight:700;line-height:1.45;color:var(--text-dark)}
.sixty-nav{display:flex;justify-content:space-between;align-items:center;margin-top:22px}
.sixty-dots{display:flex;gap:5px}
.sixty-dots span{width:5px;height:5px;border-radius:50%;background:var(--line-light)}
.sixty-dots span.on{background:var(--teal)}
.sixty-next{background:var(--teal);color:#fff;border:none;font-family:var(--sans);font-weight:800;font-size:11px;text-transform:uppercase;padding:9px 16px;border-radius:2px;cursor:pointer}