:root {
  --bg: #FAFAF8;
  --bg-2: #F3F0EA;
  --card: #FFFFFF;
  --text: #1A1A18;
  --text-2: #52514D;
  --text-dim: #A09D98;
  --line: rgba(26, 26, 24, 0.08);
  --accent: #1B6B5A;
  --accent-2: #24846F;
  --accent-soft: rgba(27, 107, 90, 0.08);
  --blue: #2563eb;
  --teal: #0d9488;
  --amber: #d97706;
  --purple: #7c3aed;
  --serif: 'DM Serif Display', Georgia, serif;
  --sans: 'Inter', -apple-system, system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --wrap: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: var(--sans); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 32px; }

h1, h2 { font-family: var(--serif); font-weight: 400; letter-spacing: -0.01em; line-height: 1.1; }
h2 { font-size: clamp(30px, 3.6vw, 44px); }
h3 { font-size: 18px; font-weight: 600; line-height: 1.35; }
p { color: var(--text-2); }

.mono-label { font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-dim); }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 8px; font-weight: 600; font-size: 14px; transition: background .2s, border-color .2s, transform .2s; white-space: nowrap; }
.btn-lg { padding: 14px 24px; font-size: 15px; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-2); transform: translateY(-1px); }
.btn-ghost { border: 1px solid var(--line); background: var(--card); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); }

/* announce */
.announce { display: flex; justify-content: center; align-items: center; gap: 12px; padding: 9px 16px; background: var(--accent); color: #fff; font-size: 13px; flex-wrap: wrap; text-align: center; }
.announce-tag { font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; background: rgba(255,255,255,.18); padding: 2px 8px; border-radius: 4px; }
.announce-cta { font-weight: 600; opacity: .9; }
.announce:hover .announce-cta { opacity: 1; text-decoration: underline; }

/* client logo marquee */
.logo-marquee { display: block; position: relative; overflow: hidden; padding: 34px 0; background: var(--bg); border-bottom: 1px solid var(--line); -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.logo-marquee-track { display: flex; width: max-content; animation: logo-marquee-scroll 45s linear infinite; }
.logo-marquee:hover .logo-marquee-track { animation-play-state: paused; }
.logo-marquee-group { display: flex; align-items: center; gap: 72px; padding-right: 72px; }
.logo-item { display: block; height: 30px; width: auto; max-width: 170px; object-fit: contain; user-select: none; -webkit-user-drag: none; transition: transform .25s; }
.logo-marquee .logo-item:hover { transform: scale(1.06); }
.logo-nokia, .logo-altius { height: 24px; }
.logo-zee { height: 38px; }
.logo-arcelormittal { height: 42px; }
.logo-aes { height: 34px; }
.logo-motherson { height: 22px; }
.logo-pepsico { height: 34px; }
.logo-multiples { height: 34px; }
@keyframes logo-marquee-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (max-width: 768px) {
  .logo-marquee { padding: 22px 0; }
  .logo-marquee-group { gap: 44px; padding-right: 44px; }
  .logo-item { height: 24px; max-width: 130px; }
  .logo-nokia, .logo-altius, .logo-motherson { height: 19px; }
  .logo-zee, .logo-arcelormittal { height: 32px; }
  .logo-aes { height: 26px; }
}

/* nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(250,250,248,.9); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; gap: 32px; height: 64px; }
.logo { font-family: var(--serif); font-size: 26px; display: flex; align-items: baseline; }
.logo-dot { color: var(--accent); }
.logo-sub { font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-dim); margin-left: 12px; padding-left: 12px; border-left: 1px solid var(--line); }
.nav-links { display: flex; gap: 28px; margin-left: auto; font-size: 14px; color: var(--text-2); }
.nav-links a:hover { color: var(--text); }
.nav-toggle { display: none; background: none; border: 0; width: 32px; height: 32px; flex-direction: column; justify-content: center; gap: 6px; cursor: pointer; margin-left: auto; }
.nav-toggle span { display: block; height: 2px; background: var(--text); border-radius: 2px; }

/* hero */
.hero { padding: 56px 0 48px; border-bottom: 1px solid var(--line); background: radial-gradient(ellipse 60% 70% at 78% 50%, var(--accent-soft), transparent 70%); }
.hero-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); background: var(--accent-soft); padding: 6px 12px; border-radius: 999px; margin-bottom: 24px; }
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: .3; } }
.hero h1 { font-size: clamp(42px, 5.4vw, 68px); margin-bottom: 22px; }
.lede { font-size: 19px; max-width: 520px; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-trust { display: flex; align-items: center; gap: 10px; margin-top: 36px; flex-wrap: wrap; }
.trust-name { font-weight: 700; font-size: 15px; letter-spacing: .02em; margin-right: 6px; }
.trust-sep { width: 1px; height: 18px; background: var(--line); margin: 0 10px; }

.hero-visual { position: relative; height: 520px; background: var(--card); border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 20px 60px rgba(26,26,24,.06); overflow: hidden; }
#heroGraph { position: absolute; inset: 0; width: 100%; height: 100%; }
.graph-stats { position: absolute; top: 16px; left: 16px; display: flex; gap: 18px; }
.graph-stats div { display: flex; flex-direction: column; }
.graph-stats b { font-family: var(--serif); font-size: 26px; font-weight: 400; line-height: 1; }
.graph-stats span { font-family: var(--mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-dim); margin-top: 4px; }
.graph-legend { position: absolute; top: 18px; right: 16px; display: flex; gap: 14px; font-family: var(--mono); font-size: 11px; color: var(--text-2); }
.graph-legend span { display: flex; align-items: center; gap: 6px; }
.lg { display: inline-block; width: 9px; height: 9px; }
.lg-entity { background: var(--blue); border-radius: 50%; }
.lg-metric { border: 2px solid var(--teal); border-radius: 50%; }
.lg-decision { width: 0; height: 0; border-left: 5px solid transparent; border-right: 5px solid transparent; border-bottom: 9px solid var(--accent); }
.graph-caption { position: absolute; left: 16px; right: 16px; bottom: 14px; font-family: var(--mono); font-size: 12px; color: var(--text-2); background: rgba(250,250,248,.92); border: 1px solid var(--line); border-radius: 8px; padding: 9px 12px; transition: opacity .3s; }

/* sections */
.section { padding: 88px 0; border-bottom: 1px solid var(--line); }
.section-head { max-width: 760px; margin-bottom: 44px; }
.section-head .mono-label { margin-bottom: 14px; color: var(--accent); }


/* proof */
.proof-strip { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--card); border: 1px solid var(--line); border-radius: 16px; margin-bottom: 64px; }
.proof-item { padding: 30px 26px; border-right: 1px solid var(--line); display: flex; flex-direction: column; }
.proof-item:last-child { border-right: 0; }
.proof-item b { font-family: var(--serif); font-weight: 400; font-size: 48px; line-height: 1; color: var(--accent); margin-bottom: 10px; }
.proof-item span { color: var(--text); font-weight: 500; font-size: 15px; }
.proof-item em { font-style: normal; font-family: var(--mono); font-size: 11px; color: var(--text-dim); margin-top: 8px; }


.quote { max-width: 860px; margin: 0 auto; text-align: center; }
.quote blockquote { font-family: var(--serif); font-size: clamp(22px, 2.6vw, 30px); line-height: 1.35; margin-bottom: 16px; }
.quote figcaption { font-family: var(--mono); font-size: 12px; color: var(--text-dim); }

.link { color: var(--accent); font-weight: 600; font-size: 15px; }
.link:hover { text-decoration: underline; }

/* industries */
.ind-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.ind { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 26px; display: flex; flex-direction: column; }
.ind-name { font-family: var(--serif); font-size: 24px; line-height: 1.15; margin-bottom: 10px; }
.ind p { font-size: 14px; margin-bottom: 20px; }
.ind-stat { margin-top: auto; font-family: var(--mono); font-size: 12px; color: var(--text-2); padding-top: 14px; border-top: 1px solid var(--line); }
.ind-stat b { color: var(--accent); font-size: 14px; margin-right: 4px; }

/* team */
.team-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.person { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-family: var(--mono); font-weight: 600; font-size: 13px; margin-bottom: 14px; }
.p-name { font-weight: 600; }
.p-role { font-family: var(--mono); font-size: 11px; color: var(--accent); margin: 2px 0 10px; }
.person p { font-size: 13.5px; }
.backers { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; margin-top: 36px; padding-top: 28px; border-top: 1px solid var(--line); font-weight: 600; color: var(--text-2); }

/* cta */
.cta { padding: 96px 0; background: var(--accent); color: #fff; text-align: center; }
.cta h2 { font-size: clamp(36px, 4.6vw, 56px); margin-bottom: 14px; }
.cta p { color: rgba(255,255,255,.82); font-size: 18px; margin: 0 auto 32px; max-width: 560px; }
.cta .hero-actions { justify-content: center; }
.cta .btn-primary { background: #fff; color: var(--accent); }
.cta .btn-primary:hover { background: var(--bg); }
.cta .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.cta .btn-ghost:hover { border-color: #fff; }

.footer { padding: 28px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer .logo { font-size: 22px; }
.footer-copy { font-size: 13px; color: var(--text-dim); }


/* problem: side-by-side answers */
.ask { background: var(--card); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; box-shadow: 0 20px 60px rgba(26,26,24,.05); }
.ask-q { padding: 26px 32px; border-bottom: 1px solid var(--line); background: var(--bg); }
.ask-q .mono-label { display: block; margin-bottom: 8px; }
.ask-q p { font-family: var(--serif); font-size: clamp(20px, 2.2vw, 26px); color: var(--text); line-height: 1.3; }
.ask-grid { display: grid; grid-template-columns: 1fr 1fr; }
.ask-col { padding: 28px 32px 30px; display: flex; flex-direction: column; min-height: 330px; }
.ask-generic { border-right: 1px solid var(--line); }
.ask-head { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--text-2); margin-bottom: 16px; }
.ask-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-dim); }
.ask-iw .ask-head { color: var(--accent); }
.ask-iw .ask-dot { background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.type { font-size: 17px; line-height: 1.6; color: var(--text); min-height: 7.5em; }
.ask-generic .type { color: var(--text-2); }
.type.typing::after { content: ''; display: inline-block; width: 2px; height: 1.1em; background: currentColor; margin-left: 2px; vertical-align: -3px; animation: blink .8s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.ask-rules { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.ask-rules span { font-family: var(--mono); font-size: 11px; background: var(--accent-soft); color: var(--accent); padding: 4px 9px; border-radius: 4px; opacity: 0; transform: translateY(6px); transition: opacity .4s, transform .4s; }
.ask.done .ask-rules span { opacity: 1; transform: none; }
.ask.done .ask-rules span:nth-child(2) { transition-delay: .1s; } .ask.done .ask-rules span:nth-child(3) { transition-delay: .2s; } .ask.done .ask-rules span:nth-child(4) { transition-delay: .3s; }
.ask-verdict { margin-top: auto; padding-top: 18px; font-weight: 600; font-size: 14px; display: flex; gap: 8px; align-items: center; opacity: 0; transition: opacity .5s .4s; }
.ask.done .ask-verdict { opacity: 1; }
.ask-generic .ask-verdict { color: #C4453C; }
.ask-generic .ask-verdict::before { content: '\2715'; }
.ask-iw .ask-verdict { color: var(--accent); }
.ask-iw .ask-verdict::before { content: '\2713'; }

/* how: animated flow */
.how { background: var(--bg-2); }
.flow { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.flow-track { position: absolute; left: 44px; right: 44px; top: 40px; height: 2px; background: var(--line); z-index: 0; }
.flow-track i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .9s ease; }
.flow[data-at="1"] .flow-track i { width: 50%; } .flow[data-at="2"] .flow-track i { width: 100%; }
.flow-step { position: relative; z-index: 1; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 26px; display: flex; flex-direction: column; transition: border-color .5s, box-shadow .5s; }
.flow-step > * { opacity: .4; transition: opacity .5s; }
.flow-step.on > * { opacity: 1; }
.flow-step.on { border-color: rgba(27,107,90,.35); box-shadow: 0 14px 40px rgba(27,107,90,.08); }
.step-tag { display: inline-flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
.step-tag span { width: 28px; height: 28px; border-radius: 50%; background: var(--card); border: 2px solid var(--accent); color: var(--accent); display: grid; place-items: center; font-size: 12px; transition: background .4s, color .4s; }
.flow-step.on .step-tag span { background: var(--accent); color: #fff; }
.flow-step h3 { margin-bottom: 18px; }
.chat { display: flex; flex-direction: column; gap: 8px; font-size: 13.5px; }
.msg { opacity: 0; transform: translateY(8px); transition: opacity .4s, transform .4s; }
.msg.show { opacity: 1; transform: none; }
.chat-q { background: var(--accent-soft); border-radius: 10px 10px 10px 2px; padding: 10px 12px; color: var(--text); }
.chat-q b { display: block; font-family: var(--mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: 3px; }
.chat-a { background: var(--bg); border: 1px solid var(--line); border-radius: 10px 10px 2px 10px; padding: 10px 12px; color: var(--text-2); margin-left: 20px; }
.chat-rule { font-family: var(--mono); font-size: 11px; color: var(--accent); border-left: 2px solid var(--accent); padding: 4px 0 4px 10px; }
.mini-graph { width: 100%; height: auto; flex: 1; overflow: visible; margin: 4px 0; }
.mg-edges line { stroke: rgba(26,26,24,.14); stroke-width: 1.5; stroke-dasharray: 160; stroke-dashoffset: 160; transition: stroke-dashoffset 1s ease .9s; }
.flow-step.on .mg-edges line { stroke-dashoffset: 0; }
.mg-node { opacity: 0; transform: scale(.6); transform-box: fill-box; transform-origin: center; transition: opacity .35s calc(var(--d) * .14s), transform .35s calc(var(--d) * .14s); }
.flow-step.on .mg-node { opacity: 1; transform: none; }
.mg-node text { font-family: var(--sans); font-size: 12.5px; fill: var(--text-2); text-anchor: middle; }
.mg-node text.in { fill: #fff; font-family: var(--mono); font-size: 10px; }
.mg-node.metric circle { fill: #fff; stroke: var(--teal); stroke-width: 2.5; }
.mg-node.entity circle { fill: var(--blue); }
.mg-node.rule rect { fill: var(--text); }
.mg-node.decision path { fill: var(--accent); }
.mg-node.decision text { fill: var(--accent); font-weight: 600; }
.flow-foot { margin-top: 14px; }
.answer { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; font-size: 14px; flex: 1; display: flex; flex-direction: column; }
.answer-head { background: var(--bg); padding: 8px 12px; border-bottom: 1px solid var(--line); color: var(--accent); }
.answer-body { padding: 14px 12px; color: var(--text); font-weight: 500; font-size: 15px; flex: 1; }
.answer-trace { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 12px 12px; }
.answer-trace span { font-family: var(--mono); font-size: 10.5px; background: var(--accent-soft); color: var(--accent); padding: 3px 8px; border-radius: 4px; opacity: 0; transition: opacity .4s; }
.flow-step.on .answer-trace span { opacity: 1; }
.flow-step.on .answer-trace span:nth-child(2) { transition-delay: .25s; } .flow-step.on .answer-trace span:nth-child(3) { transition-delay: .5s; }

/* decisions: interactive circuit */
.circuit { display: grid; grid-template-columns: 300px 1fr; gap: 20px; }
.circ-tabs { display: flex; flex-direction: column; gap: 10px; }
.circ-tab { position: relative; overflow: hidden; text-align: left; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; cursor: pointer; font: inherit; color: inherit; display: grid; grid-template-columns: 20px 1fr; column-gap: 8px; align-items: center; transition: border-color .2s, background .2s; }
.circ-tab:hover { border-color: var(--c); }
.circ-tab .tri { width: 0; height: 0; border-left: 7px solid transparent; border-right: 7px solid transparent; border-bottom: 12px solid var(--c); }
.circ-tab b { font-family: var(--serif); font-weight: 400; font-size: 24px; line-height: 1.1; }
.circ-tab em { grid-column: 2; font-style: normal; font-size: 13.5px; color: var(--text-2); }
.circ-tab.active { border-color: var(--c); background: color-mix(in srgb, var(--c) 6%, #fff); }
.circ-bar { position: absolute; left: 0; bottom: 0; height: 3px; width: 0; background: var(--c); }
.circ-tab.active .circ-bar { animation: fill 7s linear forwards; }
.circuit.paused .circ-tab.active .circ-bar { animation: none; width: 100%; }
@keyframes fill { to { width: 100%; } }
.circ-stage { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 20px 22px; display: flex; flex-direction: column; min-height: 420px; }
.circ-top { display: flex; justify-content: space-between; align-items: center; }
.circ-top .mono-label { color: var(--text-2); }
.circ-live { display: flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 11px; color: var(--accent); }
.circ-live i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 1.6s infinite; }
#circSvg { width: 100%; flex: 1; margin: 6px 0; }
#circSvg .c-in rect { fill: var(--bg); stroke: rgba(26,26,24,.12); }
#circSvg .c-in text { font-family: var(--sans); font-size: 13px; fill: var(--text); }
#circSvg .c-in.sm text { font-size: 12px; }
#circSvg .c-in circle { fill: #fff; stroke: var(--teal); stroke-width: 2; }
#circSvg .c-wire { fill: none; stroke: rgba(26,26,24,.12); stroke-width: 1.5; }
#circSvg .c-flow { fill: none; stroke: var(--c); stroke-width: 2; stroke-dasharray: 3 9; stroke-linecap: round; animation: flow 1s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -12; } }
#circSvg .c-rule rect { fill: var(--text); }
#circSvg .c-rule text { font-family: var(--mono); font-size: 11.5px; fill: #fff; }
#circSvg .c-rule .lbl { fill: rgba(255,255,255,.55); font-size: 10px; letter-spacing: .1em; }
#circSvg .c-out rect { fill: var(--c); }
#circSvg .c-out text { font-family: var(--sans); font-weight: 600; font-size: 13.5px; fill: #fff; }
#circSvg .c-out .lbl { font-family: var(--mono); font-weight: 500; font-size: 10px; letter-spacing: .1em; fill: rgba(255,255,255,.7); }
#circSvg g { animation: pop .45s both; }
@keyframes pop { from { opacity: 0; transform: translateY(6px); } }
.circ-note { border-top: 1px dashed var(--line); padding-top: 14px; font-size: 15px; color: var(--text); display: flex; gap: 10px; align-items: baseline; }
.circ-note b { white-space: nowrap; font-family: var(--serif); font-weight: 400; font-size: 22px; color: var(--c); }

/* proof: compounding graph */
.proof { background: var(--bg-2); }
.compound { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: stretch; margin-bottom: 64px; }
.compound-copy { display: flex; flex-direction: column; justify-content: center; }
.compound-copy .mono-label { color: var(--accent); margin-bottom: 14px; }
.compound-copy h2 { margin-bottom: 16px; }
.cg-legend { display: flex; flex-direction: column; gap: 8px; margin-top: 24px; }
.cg-row { display: grid; grid-template-columns: 14px 100px 1fr; align-items: center; gap: 10px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--card); font-size: 14px; opacity: .4; transition: opacity .4s, border-color .4s; }
.cg-row.on { opacity: 1; border-color: rgba(27,107,90,.3); }
.cg-row i { width: 12px; height: 12px; border-radius: 50%; }
.cg-row span { color: var(--text-2); }
.cg-foot { margin-top: 12px; }
.compound-viz { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: 16px; min-height: 420px; overflow: hidden; }
#compoundCanvas { position: absolute; inset: 0; width: 100%; height: 100%; }

/* industries chips */
.ind-chips { display: flex; flex-wrap: wrap; gap: 6px; margin: -6px 0 18px; }
.ind-chips span { font-family: var(--mono); font-size: 11px; padding: 3px 8px; border-radius: 4px; background: var(--bg); border: 1px solid var(--line); color: var(--text-2); transition: background .2s, color .2s, border-color .2s; }
.ind:hover .ind-chips span { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.ind { transition: border-color .2s, transform .2s; }
.ind:hover { border-color: var(--accent); transform: translateY(-2px); }

/* responsive */
@media (max-width: 1080px) {

  .proof-strip { grid-template-columns: repeat(2, 1fr); }
  .proof-item:nth-child(2) { border-right: 0; }
  .proof-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}
@media (max-width: 900px) {
  .hero-grid, .compound { grid-template-columns: 1fr; gap: 36px; }
  .hero-visual { height: 420px; }
  .ind-grid, .ask-grid, .flow { grid-template-columns: 1fr; }
  .flow-track { display: none; }
  .ask-generic { border-right: 0; border-bottom: 1px solid var(--line); }
  .ask-col { min-height: 0; }
  .circuit { grid-template-columns: 1fr; }
  .circ-tabs { flex-direction: row; overflow-x: auto; }
  .circ-tab { min-width: 200px; }
  .team-grid { grid-template-columns: repeat(3, 1fr); }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav.open .nav-links { display: flex; flex-direction: column; gap: 0; position: absolute; top: 64px; left: 0; right: 0; background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px 16px 16px; }
  .nav.open .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--line); }
}
@media (max-width: 600px) {
  .wrap { padding: 0 16px; }
  .section { padding: 64px 0; }
  .logo-sub { display: none; }
  .hero { padding: 36px 0; }
  .lede { font-size: 17px; }
  .hero-visual { height: 440px; }
  .graph-caption { font-size: 11px; }
  .graph-legend { display: none; }
  .graph-stats { gap: 14px; }
  .graph-stats b { font-size: 22px; }
  .ind-grid, .proof-strip { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .proof-item { border-right: 0; border-bottom: 1px solid var(--line); }
  .proof-item:last-child { border-bottom: 0; }
  .circ-tab em { display: none; }
  .circ-stage { min-height: 0; padding: 16px; }
  .circ-tab { min-width: 130px; }
  .compound-viz { height: 300px; }
  .trust-sep { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .logo-marquee-track { animation: logo-marquee-scroll 120s linear infinite !important; }
}