/* ============ Koi Labs — shared site styles (versions A & B) ============ */
/* Self-hosted Geist (variable) — replaces the jsdelivr CDN */
@font-face{font-family:'Geist Variable';font-style:normal;font-weight:100 900;font-display:swap;src:url('fonts/geist-variable.woff2') format('woff2')}
@font-face{font-family:'Geist Mono Variable';font-style:normal;font-weight:100 900;font-display:swap;src:url('fonts/geist-mono-variable.woff2') format('woff2')}
:root,[data-theme="electric"]{ --c1:#2D5BFF; --c2:#FF2D9B; --c3:#10B981; --c4:#00C2FF; --p:#2D5BFF; --btn:linear-gradient(180deg,#3D6BFF,#2D5BFF); --btn-sh:rgba(45,91,255,.42); }
[data-theme="spectrum"]{ --c1:#EC4899; --c2:#8B5CF6; --c3:#3B82F6; --c4:#06B6D4; --p:#111114; --btn:#111114; --btn-sh:rgba(17,17,20,.34); }
[data-theme="blurple"]{ --c1:#635BFF; --c2:#06B6D4; --c3:#15C39A; --c4:#FF7AB2; --p:#635BFF; --btn:linear-gradient(180deg,#7A73FF,#635BFF); --btn-sh:rgba(99,91,255,.42); }
[data-theme="iris"]{ --c1:#6366F1; --c2:#0EA5E9; --c3:#14B8A6; --c4:#F43F5E; --p:#4F46E5; --btn:linear-gradient(180deg,#6366F1,#4F46E5); --btn-sh:rgba(79,70,229,.42); }
[data-theme="sunset"]{ --c1:#FF5C72; --c2:#FF3D8B; --c3:#9B5CFF; --c4:#19C3FF; --p:#FF3D6E; --btn:linear-gradient(180deg,#FF6378,#FF2D7A); --btn-sh:rgba(255,61,110,.40); }

:root{
  --paper:#FCFCFD; --paper-2:#FFFFFF; --wash:#F2F3F7;
  --ink:#14141A; --ink-2:#54545F; --ink-3:#8A8A97;
  --line:rgba(20,20,26,0.10); --line-2:rgba(20,20,26,0.16); --green:#1E9E6A;
  --font:'Geist Variable',ui-sans-serif,system-ui,-apple-system,'Segoe UI',Helvetica,sans-serif;
  --mono:'Geist Mono Variable',ui-monospace,'SF Mono',Menlo,monospace; --maxw:1140px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--paper);color:var(--ink);font-family:var(--font);font-weight:400;line-height:1.55;letter-spacing:-0.011em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
a{color:inherit;text-decoration:none}
.sec-label{font-family:var(--mono);font-size:11.5px;letter-spacing:0.16em;text-transform:uppercase;color:var(--c1);display:flex;align-items:center;gap:10px}
.sec-label::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--c1)}
.sec-h2{font-size:clamp(30px,4.4vw,48px);line-height:1.05;letter-spacing:-0.03em;font-weight:600;margin:18px 0 12px;max-width:20ch}
.sec-lead{font-size:17px;color:var(--ink-2);max-width:58ch}
.btn{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;padding:9px 16px;border-radius:9px;transition:.2s;cursor:pointer;border:1px solid transparent}
.btn .arr{transition:transform .25s}.btn:hover .arr{transform:translateX(3px)}
.btn-primary{background:var(--btn);color:#fff;box-shadow:0 6px 16px -8px var(--btn-sh)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 22px -8px var(--btn-sh)}
.btn-ghost{background:var(--paper-2);border:1px solid var(--line-2);color:var(--ink)}.btn-ghost:hover{border-color:var(--ink-3);transform:translateY(-1px)}
.btn-lg{padding:13px 22px;font-size:15.5px}

/* banner */
.banner{position:relative;z-index:5;background:var(--ink);color:#F4F3F7}
.banner-in{max-width:var(--maxw);margin:0 auto;padding:9px 32px;display:flex;align-items:center;justify-content:center;gap:12px;font-size:13px}
.banner .tag{font-family:var(--mono);font-size:10.5px;letter-spacing:0.13em;text-transform:uppercase;color:#fff;background:var(--c1);border-radius:20px;padding:3px 9px;font-weight:600}
.banner a.more{display:inline-flex;align-items:center;gap:6px;color:#F4F3F7;border-bottom:1px solid rgba(244,243,247,0.35);padding-bottom:1px;transition:.2s}
.banner a.more:hover{color:#fff;border-color:#fff}.banner .arr{transition:transform .25s}.banner a.more:hover .arr{transform:translateX(3px)}
@media (max-width:640px){.banner .hideSm{display:none}}

/* nav + koi logo */
.nav{position:sticky;top:0;z-index:40;background:rgba(252,252,253,0.82);backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--line)}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:14px 32px;display:flex;align-items:center;gap:30px}
.logo{display:flex;align-items:center;gap:10px;font-weight:600;font-size:17px;letter-spacing:-0.02em;color:var(--ink)}
.logo .koimark{width:30px;height:24px;color:var(--ink);display:block;flex-shrink:0}
.logo .koimark svg{width:100%;height:100%;display:block}
.nav-links{display:flex;gap:26px;margin-left:14px}.nav-links a{font-size:14.5px;color:var(--ink-2);transition:.2s}.nav-links a:hover{color:var(--ink)}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:14px}.nav-cta .ghost{font-size:14.5px;color:var(--ink-2)}.nav-cta .ghost:hover{color:var(--ink)}
@media (max-width:780px){.nav-links,.nav-cta .ghost{display:none}}

/* hero + interactive glow */
.hero{position:relative;padding:92px 0 40px;overflow:hidden}
.hero-glow{position:absolute;z-index:0;top:-170px;left:0;right:0;height:760px;pointer-events:none;
  background:
   radial-gradient(28% 60% at calc(14% + var(--gx,0px)) calc(44% + var(--gy,0px)), color-mix(in srgb,var(--c1) 34%,transparent), transparent 70%),
   radial-gradient(26% 58% at calc(40% + var(--gx2,0px)) calc(28% + var(--gy2,0px)), color-mix(in srgb,var(--c2) 30%,transparent), transparent 70%),
   radial-gradient(28% 60% at calc(66% + var(--gx,0px)) calc(50% + var(--gy,0px)), color-mix(in srgb,var(--c3) 32%,transparent), transparent 70%),
   radial-gradient(26% 58% at calc(88% + var(--gx2,0px)) calc(34% + var(--gy2,0px)), color-mix(in srgb,var(--c4) 30%,transparent), transparent 70%);
  filter:blur(16px);opacity:.82;transition:opacity .4s}
.hero-in{position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:12px;letter-spacing:0.02em;color:var(--ink-2);background:var(--paper-2);border:1px solid var(--line);border-radius:30px;padding:6px 14px 6px 11px;margin-bottom:28px;box-shadow:0 1px 2px rgba(20,20,26,0.04)}
.eyebrow .pip{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(30,158,106,0.16)}
h1{font-size:clamp(40px,7vw,80px);line-height:1.02;letter-spacing:-0.038em;font-weight:600;max-width:16ch}
h1 .dot{color:var(--c1)}
.sub{margin-top:24px;max-width:56ch;font-size:clamp(17px,2vw,20px);line-height:1.5;color:var(--ink-2)}
.hero-cta{margin-top:32px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.trust{margin-top:28px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13.5px;color:var(--ink-3)}
.trust b{color:var(--ink-2);font-weight:500}.trust .sep{width:4px;height:4px;border-radius:50%;background:var(--line-2)}

/* workflow diagram */
.diagram{position:relative;z-index:1;margin-top:60px;background:var(--paper-2);border:1px solid var(--line);border-radius:18px;padding:26px 26px 22px;box-shadow:0 30px 60px -40px rgba(20,20,26,0.30),0 2px 4px rgba(20,20,26,0.03);overflow:hidden}
.diagram .accentline{position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--c1),var(--c2),var(--c3),var(--c4))}
.diagram-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:6px 0 22px}
.diagram-head .cap{font-family:var(--mono);font-size:11px;letter-spacing:0.12em;text-transform:uppercase;color:var(--ink-3)}
.diagram-head .live{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:11px;color:var(--ink-2)}
.diagram-head .live .pip{width:7px;height:7px;border-radius:50%;background:var(--green);animation:blink 2s ease-in-out infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
.flow{display:flex;align-items:stretch;gap:0}
.node{flex:1 1 0;min-width:0;background:linear-gradient(180deg,#fff,#FBFBFE);border:1px solid var(--line);border-radius:13px;padding:16px;transition:.3s}
.node:hover{border-color:color-mix(in srgb,var(--nc) 45%,var(--line-2));transform:translateY(-3px);box-shadow:0 18px 30px -22px color-mix(in srgb,var(--nc) 40%, rgba(20,20,26,0.35))}
.node .ic{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;margin-bottom:12px;color:var(--nc);background:color-mix(in srgb,var(--nc) 12%, #fff);border:1px solid color-mix(in srgb,var(--nc) 28%, #fff)}
.node .ic svg{width:16px;height:16px;display:block;stroke:currentColor}
.node .n{font-family:var(--mono);font-size:11px;color:var(--nc);letter-spacing:0.06em}
.node .t{font-size:15.5px;font-weight:600;margin:9px 0 4px;letter-spacing:-0.02em}
.node .d{font-size:12.5px;color:var(--ink-3);line-height:1.4}
.link{flex:0 0 38px;align-self:center;height:30px;position:relative}
.link .rail{position:absolute;top:50%;left:0;right:0;height:2px;transform:translateY(-50%);background:linear-gradient(90deg,var(--ra),var(--rb));border-radius:2px;opacity:.7}
.link .spark{position:absolute;top:50%;left:0;width:14px;height:6px;transform:translateY(-50%);border-radius:6px;background:linear-gradient(90deg,transparent,#fff 50%,transparent);animation:travel 2.6s linear infinite}
.link:nth-of-type(4) .spark{animation-delay:.6s}.link:nth-of-type(6) .spark{animation-delay:1.2s}
@keyframes travel{0%{left:-10px;opacity:0}12%{opacity:1}88%{opacity:1}100%{left:38px;opacity:0}}
@media (max-width:760px){.flow{flex-direction:column}.node{width:100%}.link{flex-basis:26px;height:26px;width:30px;align-self:flex-start;margin-left:24px}.link .rail{left:50%;top:0;bottom:0;right:auto;width:2px;height:auto;transform:translateX(-50%);background:linear-gradient(180deg,var(--ra),var(--rb))}.link .spark{display:none}}

/* section shell */
.section{padding:104px 0 0}
.section.tight{padding:72px 0 0}

/* capabilities tabs */
.tabs-head{display:flex;gap:6px;flex-wrap:wrap;margin-top:40px;border-bottom:1px solid var(--line)}
.tab-btn{cursor:pointer;background:none;border:none;font-family:var(--font);font-size:15px;font-weight:500;color:var(--ink-3);padding:13px 16px;position:relative;transition:.2s;letter-spacing:-.01em}
.tab-btn:hover{color:var(--ink-2)}
.tab-btn .tnum{font-family:var(--mono);font-size:11px;color:var(--ink-3);margin-right:7px}
.tab-btn.active{color:var(--ink)}
.tab-btn.active::after{content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;border-radius:2px;background:var(--tc,var(--c1))}
.tab-panel{display:none;padding-top:34px}
.tab-panel.active{display:grid;grid-template-columns:1.05fr 0.95fr;gap:40px;align-items:center;animation:fade .35s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.tab-copy h3{font-size:25px;font-weight:600;letter-spacing:-.02em;display:flex;align-items:center;gap:10px}
.tab-copy h3::before{content:"";width:11px;height:11px;border-radius:3px;background:var(--tc,var(--c1))}
.tab-copy p{margin-top:12px;font-size:15.5px;color:var(--ink-2);line-height:1.55;max-width:46ch}
.tab-copy .caps{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.tab-copy .cap{font-family:var(--mono);font-size:11px;color:var(--ink-2);background:var(--paper-2);border:1px solid var(--line);border-radius:20px;padding:5px 11px}
.tab-copy .proof{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);font-size:13.5px;color:var(--ink-2);display:flex;align-items:center;gap:9px}
.tab-copy .proof .pl{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--tc,var(--c1))}
.tab-vis{background:linear-gradient(180deg,color-mix(in srgb,var(--tc) 6%,#fff),#fff);border:1px solid var(--line);border-radius:16px;padding:22px;min-height:210px;display:grid;place-items:center;position:relative;overflow:hidden}
.tab-vis::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--tc),transparent 80%)}
@media (max-width:820px){.tab-panel.active{grid-template-columns:1fr;gap:26px}.tab-vis{order:-1}}

/* mini UI vignettes (used in tabs + cards) */
.ui{width:100%;max-width:330px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 10px 22px -16px rgba(20,20,26,0.45)}
.v1 .row{display:flex;align-items:center;gap:8px;padding:9px 12px;border-bottom:1px solid var(--line);font-size:12.5px}.v1 .row:last-child{border-bottom:none}
.v1 .step{font-family:var(--mono);font-size:10px;color:var(--ink-3);width:14px}.v1 .lab{color:var(--ink);font-weight:500;flex:1}
.v1 .st{width:8px;height:8px;border-radius:50%}.v1 .ok{background:var(--green)}.v1 .run{background:var(--tc,var(--c1));box-shadow:0 0 0 3px color-mix(in srgb,var(--tc) 22%, transparent);animation:blink 1.6s infinite}.v1 .wait{background:var(--line-2)}
.v2 .q{display:flex;align-items:center;gap:8px;padding:10px 12px;border-bottom:1px solid var(--line);font-size:12.5px;color:var(--ink-3)}.v2 .q .cur{color:var(--ink);font-weight:500}
.v2 .res{padding:10px 12px;display:flex;align-items:center;gap:9px;font-size:12.5px}.v2 .res:last-child{border-top:1px dashed var(--line)}.v2 .res .txt{flex:1;color:var(--ink);font-weight:500}
.v2 .score{font-family:var(--mono);font-size:10.5px;font-weight:600;color:var(--tc,var(--c1));background:color-mix(in srgb,var(--tc) 10%,#fff);border:1px solid color-mix(in srgb,var(--tc) 28%,#fff);border-radius:6px;padding:2px 6px}
.v3 .flow3{display:flex;align-items:center;gap:7px;padding:14px 12px}.v3 .b{flex:1;text-align:center;font-family:var(--mono);font-size:10px;color:var(--ink);background:color-mix(in srgb,var(--tc) 8%,var(--wash));border:1px solid color-mix(in srgb,var(--tc) 22%,var(--line));border-radius:7px;padding:9px 4px}.v3 .ar{color:var(--tc,var(--c1));font-size:11px}
.v3 .status{display:flex;align-items:center;gap:7px;padding:10px 12px;border-top:1px solid var(--line);font-size:11.5px;color:var(--green);font-weight:500}.v3 .status .pip{width:7px;height:7px;border-radius:50%;background:var(--green)}
/* funnel vignette (growth) */
.v4{padding:14px 14px 16px}
.v4 .fr{display:flex;align-items:center;gap:9px;margin-bottom:8px}
.v4 .bar{height:26px;border-radius:6px;background:color-mix(in srgb,var(--tc) 26%,#fff);border:1px solid color-mix(in srgb,var(--tc) 34%,#fff);display:flex;align-items:center;padding:0 9px;font-size:11px;font-weight:500;color:var(--ink)}
.v4 .fr .n{font-family:var(--mono);font-size:10.5px;color:var(--ink-3);width:42px;text-align:right}
.v4 .conv{margin-top:6px;display:flex;align-items:center;gap:7px;font-size:11.5px;color:var(--tc,var(--c1));font-weight:600}
.v4 .conv .up{font-size:13px}

/* stats section */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:42px}
@media(max-width:820px){.stats-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:460px){.stats-grid{grid-template-columns:1fr}}
.stat{padding:22px;border:1px solid var(--line);border-radius:14px;background:var(--paper-2);position:relative;overflow:hidden}
.stat::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--sc,var(--c1)),transparent 75%)}
.stat .big{font-size:clamp(32px,4.5vw,46px);font-weight:600;letter-spacing:-.04em;color:var(--ink);line-height:1}
.stat .lab{margin-top:10px;font-size:13.5px;color:var(--ink-2);line-height:1.4}
.stat .src{margin-top:12px;font-family:var(--mono);font-size:10px;letter-spacing:.04em;color:var(--ink-3)}
.stats-note{margin-top:18px;font-size:12.5px;color:var(--ink-3)}
/* mechanism (how we build differently) */
.mech{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:30px}
@media(max-width:820px){.mech{grid-template-columns:repeat(2,1fr)}}
@media(max-width:460px){.mech{grid-template-columns:1fr}}
.mech .m{padding:20px;border:1px solid var(--line);border-radius:14px;background:var(--paper-2)}
.mech .m .num{font-family:var(--mono);font-size:12px;color:var(--mc)}
.mech .m h4{font-size:16px;font-weight:600;margin:11px 0 6px;letter-spacing:-.02em}
.mech .m p{font-size:13px;color:var(--ink-2);line-height:1.46}

/* engagements */
.eng-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:46px}
@media(max-width:820px){.eng-grid{grid-template-columns:1fr}}
.ecard{position:relative;background:var(--paper-2);border:1px solid var(--line);border-radius:16px;padding:24px;transition:.3s;overflow:hidden}
.ecard::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--ec),transparent 72%)}
.ecard:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--ec) 38%,var(--line-2));box-shadow:0 26px 50px -34px color-mix(in srgb,var(--ec) 38%,rgba(20,20,26,.4))}
.ecard .top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:15px}
.ecard .ind{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.stag{font-family:var(--mono);font-size:10px;letter-spacing:.07em;text-transform:uppercase;padding:4px 9px;border-radius:20px;border:1px solid;display:inline-flex;align-items:center;gap:6px;color:var(--ec);border-color:color-mix(in srgb,var(--ec) 32%,#fff);background:color-mix(in srgb,var(--ec) 8%,#fff)}
.stag .d{width:6px;height:6px;border-radius:50%;background:var(--ec)}
.ecard h3{font-size:21px;font-weight:600;letter-spacing:-.02em;margin-bottom:8px}
.ecard p{font-size:14px;color:var(--ink-2);line-height:1.5}
.ecard .out{margin-top:16px;padding-top:15px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-2);display:flex;align-items:baseline;gap:9px}
.ecard .out .k{font-family:var(--mono);font-size:19px;font-weight:600;color:var(--ec);letter-spacing:-.02em;line-height:1}
/* system cards: title row + tech chips + animated top-accent (kept per feedback) */
.ecard .top h3{margin-bottom:0}
.ecard .tech{display:flex;flex-wrap:wrap;gap:6px;margin-top:15px}
.ecard .tech span{font-family:var(--mono);font-size:10px;letter-spacing:.02em;color:var(--ink-2);background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:3px 9px}
.ecard::before{background:linear-gradient(100deg,transparent 0%,var(--ec) 16%,color-mix(in srgb,var(--ec) 34%,transparent) 44%,transparent 74%);background-size:210% 100%;animation:accent-sweep 7.5s linear infinite}
.eng-grid .ecard:nth-child(2n)::before{animation-delay:-3.7s}
.eng-grid .ecard:nth-child(3n)::before{animation-delay:-5.4s}
@keyframes accent-sweep{from{background-position:170% 0}to{background-position:-70% 0}}
@media(prefers-reduced-motion:reduce){.ecard::before{animation:none;background:linear-gradient(90deg,var(--ec),transparent 72%)}}

/* flagship architecture diagram — data-residency band */
.diagram .cloudband{margin-top:16px;display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:11px;background:color-mix(in srgb,var(--c1) 5%,var(--wash));border:1px solid var(--line);font-size:12.5px;color:var(--ink-2);line-height:1.4}
.diagram .cloudband .lp{font-family:var(--mono);font-size:9.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--c1);white-space:nowrap}
.diagram .cloudband svg{width:17px;height:17px;color:var(--c1);stroke:currentColor;fill:none;stroke-width:1.7;flex-shrink:0}

/* engagement method timeline (how we work) */
.method{margin-top:46px;position:relative;display:grid;gap:0}
.mstep{display:grid;grid-template-columns:56px 1fr;gap:22px;padding-bottom:32px;position:relative}
.mstep:last-child{padding-bottom:0}
.mstep::before{content:"";position:absolute;left:27px;top:56px;bottom:-2px;width:2px;background:linear-gradient(180deg,color-mix(in srgb,var(--mc) 60%,var(--line)),var(--line))}
.mstep:last-child::before{display:none}
.mstep .mnum{width:56px;height:56px;border-radius:15px;display:grid;place-items:center;font-family:var(--mono);font-size:17px;font-weight:600;color:#fff;background:linear-gradient(180deg,color-mix(in srgb,var(--mc) 84%,#fff),var(--mc));box-shadow:0 12px 24px -13px color-mix(in srgb,var(--mc) 65%,transparent);z-index:1}
.mstep .mbody{padding-top:5px}
.mstep .mbody h4{font-size:19px;font-weight:600;letter-spacing:-.02em}
.mstep .mbody p{margin-top:8px;font-size:14.5px;color:var(--ink-2);line-height:1.55;max-width:66ch}
@media(max-width:620px){.mstep{grid-template-columns:46px 1fr;gap:16px;padding-bottom:26px}.mstep .mnum{width:46px;height:46px;font-size:15px;border-radius:13px}.mstep::before{left:22px;top:48px}}

/* differentiator pillars */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:46px}
@media(max-width:820px){.pillars{grid-template-columns:1fr}}
.pillar{position:relative;padding:28px 24px;border:1px solid var(--line);border-radius:16px;background:var(--paper-2);overflow:hidden;transition:.3s}
.pillar::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--pc),transparent 72%)}
.pillar:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--pc) 34%,var(--line-2));box-shadow:0 26px 50px -34px color-mix(in srgb,var(--pc) 34%,rgba(20,20,26,.4))}
.pillar .pic{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;color:var(--pc);background:color-mix(in srgb,var(--pc) 12%,#fff);border:1px solid color-mix(in srgb,var(--pc) 26%,#fff);margin-bottom:16px}
.pillar .pic svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7}
.pillar h4{font-size:19px;font-weight:600;letter-spacing:-.02em}
.pillar p{margin-top:9px;font-size:14px;color:var(--ink-2);line-height:1.55}

/* principles */
.pr-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:42px}
@media(max-width:820px){.pr-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.pr-grid{grid-template-columns:1fr}}
.pr{padding:22px;border:1px solid var(--line);border-radius:14px;background:var(--paper-2);transition:.3s}
.pr:hover{transform:translateY(-3px);border-color:var(--line-2)}
.pr .num{font-family:var(--mono);font-size:12px;color:var(--pc)}
.pr h4{font-size:16px;font-weight:600;margin:12px 0 7px;letter-spacing:-.02em}
.pr p{font-size:13px;color:var(--ink-2);line-height:1.46}

/* team */
.team-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:46px}
@media(max-width:820px){.team-grid{grid-template-columns:1fr;max-width:480px}}
.member{position:relative;display:flex;flex-direction:column;padding:30px 28px 28px;border:1px solid var(--line);border-radius:18px;background:var(--paper-2);transition:.3s;overflow:hidden}
.member::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--mc,var(--c1)),transparent 72%)}
.member:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--mc,var(--c1)) 38%,var(--line-2));box-shadow:0 28px 54px -34px color-mix(in srgb,var(--mc,var(--c1)) 38%,rgba(20,20,26,.4))}
.avatar-img{width:100%;max-width:180px;aspect-ratio:4/5;height:auto;border-radius:16px;object-fit:cover;filter:grayscale(1) contrast(1.06);transition:filter .5s ease;box-shadow:0 16px 34px -20px rgba(20,20,26,.55);align-self:flex-start}
.member:hover .avatar-img{filter:grayscale(0) contrast(1)}
.member .role{font-family:var(--mono);font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--mc,var(--c1));margin-top:24px}
.member .mn{font-size:25px;font-weight:600;letter-spacing:-.025em;margin-top:7px}
.member .mr{font-size:15px;color:var(--ink-2);line-height:1.55;margin-top:14px;max-width:46ch}
.member .mtags{display:flex;flex-wrap:wrap;gap:7px;margin-top:18px}
.member .mtags span{font-family:var(--mono);font-size:10.5px;letter-spacing:.03em;color:var(--ink-2);background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:4px 10px}
.member .mlinks{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.member .mlinks a{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--ink-2);background:var(--paper);border:1px solid var(--line);border-radius:9px;padding:7px 12px;transition:.2s}
.member .mlinks a:hover{border-color:color-mix(in srgb,var(--mc,var(--c1)) 45%,var(--line-2));color:var(--ink);transform:translateY(-1px)}
.member .mlinks svg{width:15px;height:15px;flex-shrink:0}

/* cta */
.cta{padding:124px 0;text-align:center;position:relative;overflow:hidden;border-top:1px solid var(--line);margin-top:104px}
.cta-glow{position:absolute;inset:0;z-index:0;pointer-events:none;background:radial-gradient(680px 320px at 50% 6%, color-mix(in srgb,var(--c1) 16%,transparent), transparent 70%),radial-gradient(420px 260px at 70% 34%, color-mix(in srgb,var(--c2) 12%,transparent), transparent 70%)}
.cta-in{position:relative;z-index:1}
.cta h2{font-size:clamp(34px,5.2vw,58px);font-weight:600;letter-spacing:-.035em;line-height:1.03;max-width:16ch;margin:0 auto}
.cta p{margin:20px auto 0;max-width:46ch;font-size:18px;color:var(--ink-2)}
.cta .hero-cta{justify-content:center;margin-top:30px}

/* footer */
.foot{border-top:1px solid var(--line);padding:54px 0 80px}
.foot-in{display:flex;justify-content:space-between;gap:36px;flex-wrap:wrap;align-items:flex-start}
.foot-brand{max-width:290px}.foot-brand .logo{margin-bottom:14px}.foot-brand p{font-size:13px;color:var(--ink-3);line-height:1.5}
.foot-links{display:flex;gap:48px;flex-wrap:wrap}
.foot-col h5{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin-bottom:13px}
.foot-col a{display:block;font-size:14px;color:var(--ink-2);margin-bottom:9px}.foot-col a:hover{color:var(--ink)}
.foot .copy{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-3);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

/* palette switcher */
.palette{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);z-index:80;display:flex;align-items:center;gap:8px;background:rgba(255,255,255,0.9);backdrop-filter:saturate(160%) blur(14px);border:1px solid var(--line-2);border-radius:40px;padding:8px 10px 8px 16px;box-shadow:0 20px 50px -22px rgba(20,20,26,0.5)}
.palette .pl-label{font-family:var(--mono);font-size:10.5px;letter-spacing:0.12em;text-transform:uppercase;color:var(--ink-3);margin-right:2px}
.sw{cursor:pointer;border:1px solid var(--line);background:#fff;border-radius:30px;padding:5px 12px 5px 7px;display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:500;color:var(--ink-2);transition:.2s}
.sw:hover{color:var(--ink);transform:translateY(-1px)}.sw .g{width:34px;height:14px;border-radius:20px;border:1px solid rgba(0,0,0,0.06)}
.sw.active{color:var(--ink);border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.sw[data-set="electric"] .g{background:linear-gradient(90deg,#2D5BFF,#FF2D9B,#10B981,#00C2FF)}
.sw[data-set="spectrum"] .g{background:linear-gradient(90deg,#EC4899,#8B5CF6,#3B82F6,#06B6D4)}
.sw[data-set="blurple"] .g{background:linear-gradient(90deg,#635BFF,#06B6D4,#15C39A,#FF7AB2)}
.sw[data-set="iris"] .g{background:linear-gradient(90deg,#6366F1,#0EA5E9,#14B8A6,#F43F5E)}
.sw[data-set="sunset"] .g{background:linear-gradient(90deg,#FF5C72,#FF3D8B,#9B5CFF,#19C3FF)}
@media (max-width:760px){.palette{display:none}}

/* version toggle */
.vtoggle{position:fixed;right:14px;top:64px;z-index:80;display:flex;align-items:center;gap:8px;background:var(--paper-2);border:1px solid var(--line-2);border-radius:30px;padding:5px 6px 5px 13px;box-shadow:0 8px 22px -12px rgba(20,20,26,0.5);font-family:var(--mono);font-size:11px;color:var(--ink-3)}
.vtoggle .vt{padding:5px 11px;border-radius:20px;color:var(--ink-2);transition:.2s;font-weight:500}
.vtoggle .vt.on{background:var(--ink);color:#fff}
.vtoggle .vt:not(.on):hover{color:var(--ink)}

/* scroll reveal — visible by default; .in plays the rise (no blank risk) */
.reveal.in{animation:riseIn .7s cubic-bezier(.2,.7,.2,1) both}
@keyframes riseIn{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}

/* dot-grid stat visual */
.dotviz{margin-top:42px;padding:28px;border:1px solid var(--line);border-radius:18px;background:var(--paper-2);display:flex;gap:32px;align-items:center;flex-wrap:wrap;position:relative;overflow:hidden;box-shadow:0 24px 54px -42px rgba(20,20,26,.45)}
.dotviz::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--c1),var(--c2),var(--c3),var(--c4))}
.dots{display:grid;grid-template-columns:repeat(11,14px);gap:9px;flex:0 0 auto}
.dots .d{width:14px;height:14px;border-radius:50%;background:var(--wash);border:1px solid var(--line-2);transition:transform .3s,box-shadow .3s}
.dots .d.lit{background:var(--c1);border-color:var(--c1);box-shadow:0 0 0 3px color-mix(in srgb,var(--c1) 20%,transparent)}
.dotcap{font-size:clamp(19px,2.6vw,28px);font-weight:600;letter-spacing:-.02em;line-height:1.2;color:var(--ink-2);max-width:20ch;flex:1;min-width:220px}
.dotcap b{color:var(--ink)}
.dotcap span{display:block;margin-top:7px;color:var(--c1);font-size:.62em;font-weight:600}
@media(max-width:540px){.dots{grid-template-columns:repeat(11,11px);gap:7px}.dots .d{width:11px;height:11px}}

/* mechanism icon */
.m .mi{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;color:var(--mc);background:color-mix(in srgb,var(--mc) 12%,#fff);border:1px solid color-mix(in srgb,var(--mc) 28%,#fff);margin-bottom:14px}
.m .mi svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.8}

@media (prefers-reduced-motion:reduce){.link .spark,.v1 .run,.diagram-head .live .pip{animation:none!important}.reveal.in{animation:none!important}}