/* InsightFlow Hub — tokens from the InsightFlow Hub design system (dark theme is primary). */
:root{
  --surface:#0b0d11; --raised:#15181e; --line:#262a33; --line-strong:#6e7482;
  --ink:#eef0f3; --muted:#a3a9b5; --brand:#8aa2ff; --on-brand:#0b0d11;
  --tint:#1f2a52; --accent:#f5c542; --on-accent:#14171f; --danger:#ff9b8f;
  --serif:"Newsreader","Iowan Old Style",Georgia,serif;
  --sans:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,monospace;
  --space-1:4px; --space-2:8px; --space-4:16px; --space-6:24px; --space-12:48px; --space-24:96px;
  --radius-sm:4px; --radius-md:8px; --radius-lg:16px;
  --ease:cubic-bezier(.2,0,0,1);
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--surface);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img,video,canvas{display:block;max-width:100%}
a{color:var(--brand)}a:hover{color:var(--ink)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:2px}
h1,h2,h3{margin:0;font-weight:400;text-wrap:balance}
p{margin:0}
i{font-style:italic}
.mono{font-family:var(--mono)}
.muted{color:var(--muted)}
.small{font-size:13px;line-height:20px}
.measure{max-width:60ch}
.measure-wide{max-width:820px}
.bg{background:var(--surface);box-decoration-break:clone;-webkit-box-decoration-break:clone}

.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:var(--brand);color:var(--on-brand);padding:10px 14px;border-radius:var(--radius-md);font-weight:600}
.skip:focus{left:8px}

.wrap{max-width:1240px;margin:0 auto;padding-inline:24px}
.stack{display:flex;flex-direction:column;gap:20px}
.stack-lg{display:flex;flex-direction:column;gap:56px}
.section{padding-block:112px}
.section-line{border-top:1px solid var(--line)}
.band{background:var(--raised);border-block:1px solid var(--line)}
.dotfield{background-image:radial-gradient(circle,#232731 2px,transparent 2.6px);background-size:32px 32px;background-position:16px 16px}

.eyebrow{font-family:var(--mono);font-size:12px;line-height:16px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.display{font-family:var(--serif);font-size:clamp(44px,5vw,76px);line-height:1.02;letter-spacing:-.03em}
.headline{font-family:var(--serif);font-size:clamp(36px,4.4vw,56px);line-height:1.1;letter-spacing:-.02em}
.headline-xl{font-size:clamp(40px,5.2vw,68px);line-height:1.05;letter-spacing:-.025em}
.lede{font-size:19px;line-height:31px;color:var(--muted);max-width:560px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;min-height:54px;padding:0 24px;border-radius:var(--radius-md);font:inherit;font-size:16px;font-weight:600;text-decoration:none;cursor:pointer;border:1px solid transparent;transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease)}
.btn-sm{min-height:44px;padding:0 18px;font-size:15px}
.btn-primary{background:var(--brand);color:var(--on-brand)}
.btn-primary:hover{background:#a5b7ff;color:var(--on-brand)}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink)}
.btn[disabled]{opacity:.6;cursor:progress}
.actions{display:flex;flex-wrap:wrap;gap:12px}

/* nav */
.nav{position:sticky;top:0;z-index:20;background:rgba(11,13,17,.72);backdrop-filter:blur(12px) saturate(140%);-webkit-backdrop-filter:blur(12px) saturate(140%);border-bottom:1px solid transparent;transition:border-color .3s var(--ease),background .3s var(--ease)}
.nav.scrolled{background:rgba(11,13,17,.9);border-bottom-color:var(--line)}
.nav-in{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;min-height:72px}
.nav-in.nav-plain{grid-template-columns:1fr auto}
.wordmark{font-family:var(--serif);font-size:26px;line-height:1;letter-spacing:-.02em;color:var(--ink);text-decoration:none;white-space:nowrap;justify-self:start}
.nav-links{display:flex;align-items:center;gap:4px;padding:4px;border:1px solid var(--line);border-radius:999px;background:rgba(21,24,30,.6)}
.nav-links a{position:relative;display:inline-flex;align-items:center;min-height:36px;padding:0 14px;border-radius:999px;font-size:14px;font-weight:500;line-height:1;color:var(--muted);text-decoration:none;transition:color .2s var(--ease),background .2s var(--ease)}
.nav-links a:hover{color:var(--ink);background:rgba(255,255,255,.04)}
.nav-links a[aria-current="true"]{color:var(--ink);background:var(--tint)}
.nav-only-menu{display:none !important}
.nav-end{justify-self:end;display:flex;align-items:center;gap:8px}
.menu-btn{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:var(--radius-md);border:1px solid var(--line-strong);background:transparent;color:var(--ink);cursor:pointer}
.menu-btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round}
.menu-btn path{transition:transform .25s var(--ease);transform-origin:12px 12px}
.menu-btn[aria-expanded="true"] .m1{transform:translateY(4px) rotate(45deg)}
.menu-btn[aria-expanded="true"] .m2{transform:translateY(-4px) rotate(-45deg)}
@media (max-width:900px){
  .nav-in{grid-template-columns:1fr auto;min-height:64px}
  .menu-btn{display:inline-flex}
  .nav-links{position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 16px;border:0;border-bottom:1px solid var(--line);border-radius:0;background:var(--surface);box-shadow:0 24px 40px -16px rgba(0,0,0,.7)}
  .nav-links.open{display:flex}
  .nav-links a{min-height:48px;padding:0 8px;border-radius:var(--radius-md);font-size:16px;border-bottom:1px solid var(--line)}
  .nav-links a:last-child{border-bottom:0}
  .nav-only-menu{display:inline-flex !important}
}
@media (max-width:420px){
  .wordmark{font-size:22px}
  .nav-end .btn-sm{padding:0 14px;font-size:14px}
}

/* hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);gap:48px;align-items:center;padding-block:96px 104px;min-height:min(800px,calc(100svh - 72px))}
.hero-copy{display:flex;flex-direction:column;gap:28px;min-width:0}
.assure{list-style:none;margin:4px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:var(--muted)}
.assure li{display:inline-flex;align-items:center;gap:8px;background:var(--surface)}
.i{width:16px;height:16px;flex:none;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.assure .i{color:var(--brand)}

/* scene: three real panels in CSS 3D */
.scene{position:relative;perspective:1500px;perspective-origin:50% 40%;min-width:0;padding-block:12px}
.stage{position:relative;transform-style:preserve-3d;transform:rotateX(var(--rx,7deg)) rotateY(var(--ry,-16deg));transition:transform .9s var(--ease);display:grid;gap:14px;max-width:560px;margin-left:auto}
.panel{background:rgba(21,24,30,.92);border:1px solid var(--line);border-radius:12px;box-shadow:0 30px 60px -30px rgba(0,0,0,.8)}
.panel-src{padding:16px 16px 10px;transform:translateZ(-40px)}
.panel-hub{padding:14px 18px;transform:translateZ(10px);border-color:#34406e}
.panel-rec{padding:20px 22px;transform:translateZ(70px) translateX(-28px);border-color:#4a4122;opacity:0;translate:0 14px;transition:opacity .6s var(--ease),translate .6s var(--ease)}
.panel-head{display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:600;color:var(--muted);padding:0 4px 10px;border-bottom:1px solid var(--line)}
.panel-head .mono{font-size:12px;font-weight:500}
.src-list{list-style:none;margin:0;padding:0}
.src{display:grid;grid-template-columns:10px minmax(0,1fr) auto;grid-template-areas:"dot name state" "dot meta state";column-gap:12px;align-items:center;padding:9px 6px;border-bottom:1px solid var(--line);border-radius:6px;position:relative;transition:background .5s var(--ease),box-shadow .5s var(--ease)}
.src:last-child{border-bottom:0}
.src-dot{grid-area:dot;width:8px;height:8px;border-radius:50%;background:#3a3f4a;transition:background .4s var(--ease)}
.src-name{grid-area:name;font-size:14px;font-weight:600;line-height:20px}
.src-meta{grid-area:meta;font-family:var(--mono);font-size:11px;line-height:16px;color:var(--muted)}
.src-state{grid-area:state;font-family:var(--mono);font-size:11px;line-height:16px;display:inline-flex}
.st-wait{color:var(--muted)}
.st-ok{display:none;align-items:center;gap:5px;color:var(--ink);padding:2px 7px;border-radius:4px;background:var(--tint)}
.st-ok .i{width:12px;height:12px;color:var(--brand)}
.src.on .src-dot{background:var(--brand)}
.src.on .st-wait{display:none}
.src.on .st-ok{display:inline-flex}
.src-ev{position:absolute;right:6px;top:-9px;font-family:var(--mono);font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;padding:1px 6px;border-radius:3px;background:var(--accent);color:var(--on-accent);opacity:0;transform:translateY(4px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.src.ev{background:rgba(245,197,66,.07);box-shadow:inset 0 0 0 1px rgba(245,197,66,.55)}
.src.ev .src-ev{opacity:1;transform:none}
.src.idle{opacity:.55}
.hub-row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.hub-name{font-family:var(--serif);font-size:20px;letter-spacing:-.01em}
.hub-step{font-size:12px;color:var(--muted)}
.hub-bar{margin-top:10px;height:3px;border-radius:2px;background:#262a33;overflow:hidden}
.hub-bar span{display:block;height:100%;width:0;background:var(--brand);transition:width .9s var(--ease)}
.stage[data-phase="rec"] .panel-rec{opacity:1;translate:0 0}
.rec-top{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.stage[data-phase="rec"] .hub-bar span{width:100%}
.stage.rewind,.stage.rewind *{transition:none !important}
.rec-title{margin-top:12px;font-family:var(--serif);font-size:24px;line-height:30px;letter-spacing:-.01em;min-height:60px}
.rec-ev{margin-top:12px;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px}
.rec-ev .mono{color:var(--muted)}
.ev-chip{font-family:var(--mono);font-size:11px;padding:2px 8px;border-radius:4px;border:1px solid rgba(245,197,66,.55);color:var(--ink)}
.rec-foot{margin-top:14px;padding-top:10px;border-top:1px solid var(--line);display:flex;justify-content:space-between;font-size:11px;color:var(--muted)}
.rec-swap{animation:recswap .5s var(--ease)}
@keyframes recswap{from{opacity:.2;transform:translateY(6px)}to{opacity:1;transform:none}}

@media (max-width:980px){
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:40px;padding-block:64px 72px;min-height:0}
  .stage{margin:0 auto;--rx:4deg;--ry:-8deg}
}
@media (max-width:600px){
  .stage{--rx:0deg;--ry:0deg}
  .panel-src,.panel-hub{transform:none}
  .panel-rec{transform:none}
  .rec-title{font-size:21px;line-height:27px;min-height:54px}
}
@media (prefers-reduced-motion: reduce){
  .stage,.panel-rec,.hub-bar span,.src,.src-ev{transition:none}
  .rec-swap{animation:none}
}

/* recommendations */
.split-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px}
.moves{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,500px),1fr));gap:12px}
.move{min-width:0;background:var(--raised);border:1px solid var(--line);border-radius:var(--radius-md);padding:24px;display:flex;flex-direction:column;gap:14px;transition:border-color .3s var(--ease)}
.move:hover{border-color:var(--line-strong)}
.move-top{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.tag{font-family:var(--mono);font-size:11px;line-height:16px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;padding:3px 9px;border-radius:var(--radius-sm);border:1px solid var(--line-strong);color:var(--ink)}
.tag-hi{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.target{font-family:var(--mono);font-size:12px;line-height:16px;padding:3px 9px;border-radius:var(--radius-sm);background:var(--tint);color:var(--ink)}
.move-title{font-family:var(--serif);font-size:26px;line-height:33px;letter-spacing:-.01em}
.evidence{font-family:var(--mono);font-size:12px;line-height:18px;color:var(--muted)}

/* film */
.film{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,400px),1fr));gap:56px;align-items:center}
.film-frame{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#000;aspect-ratio:16/9;max-width:100%}
.film-frame video{width:100%;height:100%;object-fit:cover}

/* product rows */
.rows{list-style:none;margin:0;padding:0}
.row{display:flex;flex-wrap:wrap;gap:16px 48px;padding-block:32px;border-top:1px solid var(--line)}
.row:last-child{border-bottom:1px solid var(--line)}
.row-n{flex:0 0 64px;font-size:14px;font-weight:600;color:var(--brand);padding-top:10px}
.row-title{font-family:var(--serif);font-size:36px;line-height:44px;letter-spacing:-.015em}
.row > .row-title,.row-title-wrap{flex:1 1 340px}
.row-title-wrap{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.row-text{flex:1 1 400px;font-size:17px;line-height:28px;color:var(--muted);padding-top:6px}
.badge{font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;padding:3px 9px;border-radius:var(--radius-sm);border:1px solid var(--line-strong);color:var(--muted)}

/* claude */
.two-col{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,440px),1fr));gap:56px;align-items:center}
.chat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;min-width:0}
.chat-bar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;padding:14px 20px;border-bottom:1px solid var(--line)}
.chat-app{font-size:14px;font-weight:600}
.chat-body{padding:24px;display:flex;flex-direction:column;gap:16px}
.q{align-self:flex-end;max-width:85%;background:var(--tint);border-radius:var(--radius-md);padding:12px 16px;font-size:15px;line-height:24px}
.a{font-size:15px;line-height:25px}
.chat-rec{display:flex;flex-wrap:wrap;align-items:center;gap:12px;border:1px solid var(--line);border-radius:var(--radius-md);padding:12px 16px;font-size:14px;font-weight:600}

/* trust */
.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.trust-cell{background:var(--surface);padding:32px 28px;display:flex;flex-direction:column;gap:14px}
.trust-cell svg{width:28px;height:28px;fill:none;stroke:var(--brand);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.trust-cell h3{font-family:var(--sans);font-size:19px;line-height:27px;font-weight:600}
.trust-cell p{font-size:15px;line-height:24px;color:var(--muted)}
.proof{align-items:stretch;gap:24px}
.customers{gap:16px}
.logo-row{list-style:none;margin:0;padding:28px 32px;background:var(--ink);border-radius:var(--radius-lg);display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:24px 48px}
.logo-row li{display:flex;align-items:center}
.logo-row img{height:40px;width:auto;max-width:170px;object-fit:contain}
.proof-card{margin:0;padding:32px;background:var(--raised);border:1px solid var(--line);border-radius:var(--radius-lg);display:flex;flex-direction:column;gap:20px}
.proof-card blockquote{margin:0;font-family:var(--serif);font-size:26px;line-height:36px;letter-spacing:-.01em}
.proof-card figcaption{display:flex;align-items:center;gap:16px;margin-top:auto}
.avatar{width:56px;height:56px;border-radius:50%;border:1px solid var(--line-strong);background:var(--tint);display:inline-flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:14px;font-weight:600;letter-spacing:.04em;color:var(--ink);flex:none;object-fit:cover}
.pilot{justify-content:center}
.pilot-line{font-family:var(--serif);font-size:26px;line-height:36px;letter-spacing:-.01em}

/* contact */
.contact{align-items:start}
.wa-card{display:flex;flex-direction:column;gap:12px;align-items:flex-start;padding:24px;border-radius:var(--radius-lg);background:var(--raised);border:1px solid var(--line);max-width:460px}
.wa-card h3{font-family:var(--sans);font-size:17px;font-weight:600}
.form{min-width:0;background:var(--raised);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;display:flex;flex-direction:column;gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:18px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label{font-size:14px;font-weight:600}
.req{color:var(--accent);font-weight:700}
.form-hint{margin-top:-4px}
.field input,.field textarea{width:100%;min-height:48px;padding:12px 14px;border-radius:var(--radius-sm);border:1px solid var(--line-strong);background:var(--surface);color:var(--ink);font:inherit;font-size:16px}
.field textarea{resize:vertical;min-height:112px}
.field input::placeholder,.field textarea::placeholder{color:#7d8492}
.field [aria-invalid="true"]{border-color:var(--danger)}
.err{font-size:13px;line-height:18px;color:var(--danger);min-height:0}
.err:empty{display:none}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px}
.form-status{font-size:15px;line-height:22px}
.form-status:empty{display:none}
.form-status.ok{color:var(--ink);background:var(--tint);padding:12px 16px;border-radius:var(--radius-md)}
.form-status.bad{color:var(--danger)}
.sent:not(:target){display:none}
.sent{scroll-margin-top:96px}

/* footer */
.footer{border-top:1px solid var(--line)}
.footer-in{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding-block:40px 24px}
.footer .wordmark{font-size:22px}
.footer-links{display:flex;flex-wrap:wrap;gap:24px;font-size:14px}
.footer-links a{color:var(--muted);text-decoration:none}
.footer-links a:hover{color:var(--ink)}
.footer-legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;padding-block:0 36px;font-size:13px;line-height:20px;color:var(--muted)}
.footer-legal address{font-style:normal}
.footer-legal a{color:var(--muted)}
.footer-legal a:hover{color:var(--ink)}

@media (max-width:600px){
  .section{padding-block:72px}
  .stack-lg{gap:40px}
  .row{gap:8px;padding-block:24px}
  .row-title{font-size:28px;line-height:36px}
  .move-title{font-size:22px;line-height:29px}
  .form,.proof-card{padding:22px}
  .logo-row{padding:20px;gap:18px 28px}
  .logo-row img{height:32px;max-width:130px}
  .proof-card blockquote,.pilot-line{font-size:22px;line-height:31px}
}
.notfound{min-height:100svh;display:flex;align-items:center}

/* legal pages (privacy, terms) */
.legal{padding-block:72px 112px}
.legal-in{max-width:760px;display:flex;flex-direction:column;gap:20px}
.legal h2{font-family:var(--sans);font-size:22px;line-height:30px;font-weight:600;margin-top:24px}
.legal h3{font-family:var(--sans);font-size:17px;line-height:26px;font-weight:600;margin-top:8px}
.legal p,.legal li{color:var(--muted);font-size:16px;line-height:28px}
.legal ul{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:8px}
.legal strong{color:var(--ink);font-weight:600}
.legal .updated{margin-top:-8px}
section[id]{scroll-margin-top:80px}