:root{
  --bg:#07090F; --card:#0C1018; --card2:#162030; --line:#1E2E42; --line2:#243548;
  --green:#39D98A; --teal:#2DD4BF; --blue:#4090FF; --amber:#F5A623; --red:#FF4757; --purple:#A78BFA;
  --white:#fff; --tx:#C4D0E8; --muted:#8A9BB5; --dim:#4E6078; --gtint:#0F2A22;
  --radius:14px; --max:1120px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Calibri,Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;color-scheme:dark}
body{margin:0;background:var(--bg);color:var(--tx);font:16px/1.6 var(--font);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:var(--green)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:6px}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:8px;background:var(--green);color:#04120b;padding:10px 16px;border-radius:8px;z-index:100;font-weight:700}
.skip:focus{left:16px}

/* header */
header.site{position:sticky;top:0;z-index:50;background:rgba(7,9,15,.86);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.site .container{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--white);font-weight:800;font-size:20px;text-decoration:none;letter-spacing:.01em}
.brand svg{width:30px;height:30px}
.menu{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.menu>li{position:relative}
.menu .nav-actions{display:flex;align-items:center;gap:10px;margin-left:10px}
.menu a.nav{display:block;padding:10px 14px;color:var(--tx);text-decoration:none;font-weight:600;font-size:15px;border-radius:8px}
.menu a.nav:hover,.menu a.nav[aria-current="page"]{color:var(--white);background:var(--card2)}
.menu .sub{position:absolute;top:100%;left:0;min-width:210px;background:var(--card);border:1px solid var(--line2);border-radius:12px;padding:8px;list-style:none;margin:6px 0 0;display:none;box-shadow:0 18px 40px rgba(0,0,0,.5)}
.menu li:hover>.sub,.menu li:focus-within>.sub{display:block}
.menu .sub a{display:block;padding:9px 12px;color:var(--tx);text-decoration:none;border-radius:8px;font-size:14.5px}
.menu .sub a:hover,.menu .sub a[aria-current="page"]{background:var(--card2);color:var(--white)}
.nav-toggle{display:none;background:none;border:1px solid var(--line2);color:var(--white);border-radius:10px;width:44px;height:44px;cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;background:currentColor;margin:5px auto;transition:.2s}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border-radius:999px;font-weight:700;font-size:15px;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:transform .15s,background .15s}
.btn-primary{background:var(--green);color:#04120b}
.btn-primary:hover{background:#52e79c;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line2);color:var(--white)}
.btn-ghost:hover{background:var(--card2)}
.btn-sm{padding:9px 16px;font-size:14px}

/* type */
.eyebrow{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--green);font-weight:700;margin:0 0 14px}
h1,h2,h3{color:var(--white);line-height:1.12;margin:0}
h1{font-size:clamp(2.3rem,5.4vw,4.1rem);font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(1.7rem,3.4vw,2.6rem);font-weight:800;letter-spacing:-.015em}
h3{font-size:1.2rem;font-weight:700}
.lede{font-size:clamp(1.05rem,1.6vw,1.3rem);color:var(--tx);max-width:62ch;margin:18px 0 0}
.muted{color:var(--muted)}
section{padding:84px 0}
section.tight{padding:56px 0}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head p{color:var(--muted);font-size:1.05rem;margin:14px 0 0}
.sec-head .eyebrow{color:var(--green);font-size:12px;margin:0 0 14px}
h1,h2{text-wrap:balance}
.band{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* hero */
.hero{padding:76px 0 64px;position:relative;overflow:hidden}
.hero .grid{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center}
.hero .cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;align-items:center}
.cta-band .actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.tag{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid var(--line2);background:var(--card2);border-radius:12px;font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--white);text-transform:uppercase}
.tag i{width:8px;height:8px;border-radius:50%;background:var(--c,var(--green));display:inline-block}
.orbit{width:100%;max-width:440px;margin-left:auto}
.orbit .spin{transform-origin:220px 220px;animation:spin 48s linear infinite}
.orbit .spin2{transform-origin:220px 220px;animation:spin 32s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}

/* grids and cards */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative;overflow:hidden}
.card.accent{border-top:3px solid var(--accent,var(--green))}
.card.link{text-decoration:none;color:inherit;display:block;transition:transform .18s,border-color .18s}
.card.link:hover{transform:translateY(-3px);border-color:var(--accent,var(--green))}
.card .eyebrow{color:var(--accent,var(--green));font-size:11px;margin-bottom:10px}
.card p{margin:10px 0 0;color:var(--muted);font-size:.98rem}
.test-card{display:flex;gap:22px;align-items:flex-start}
.test-card .n{font-size:3rem;font-weight:800;line-height:1;color:var(--accent)}
.test-card h3{font-size:1.25rem}
.callout{margin-top:26px;background:var(--card2);border:1px solid var(--line2);border-radius:999px;padding:14px 24px;text-align:center;color:var(--white);font-weight:600}

/* chips */
.chips{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:8px}
.chips li{display:flex;align-items:center;gap:10px;background:var(--card2);border-radius:10px;padding:9px 12px;font-size:.93rem;color:var(--tx)}
.chips li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent,var(--green));flex:none}
.keeps{margin-top:18px;background:var(--gtint);border:1px solid rgba(57,217,138,.25);border-radius:12px;padding:12px 14px}
.keeps b{display:block;font-size:10.5px;letter-spacing:.16em;color:var(--green);text-transform:uppercase;margin-bottom:3px}
.keeps span{color:var(--white);font-size:.95rem}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.pill{display:inline-flex;align-items:center;gap:8px;background:var(--card2);border:1px solid var(--line2);border-radius:999px;padding:8px 16px;font-size:.88rem;color:var(--tx)}
.pill i{width:8px;height:8px;border-radius:50%;background:var(--c,var(--green))}
.pill.green{background:var(--gtint);border-color:rgba(57,217,138,.4);color:var(--white)}

/* diagram/graph */
.scroll-x{overflow-x:auto;-webkit-overflow-scrolling:touch}
.diagram{min-width:680px}
.diagram svg,.graph svg{display:block;width:100%;height:auto}
.graph{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:12px}
.graph .scroll-x>div{min-width:700px}
.graph .node{cursor:pointer}
.graph .node rect{transition:opacity .2s}
.graph .dim{opacity:.16}
.graph .edge,.graph .lbl,.graph .node{transition:opacity .2s}
.graph-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin-top:14px}
.legend{display:flex;flex-wrap:wrap;gap:8px}
.q{margin-top:18px;background:var(--card2);border:1px solid var(--amber);border-radius:14px;padding:16px 20px;color:var(--white)}
.q b{color:var(--amber)}
.note{font-size:.82rem;color:var(--dim);margin-top:10px}

/* contrast + scorecard */
.contrast{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px}
.contrast div{display:flex;gap:12px;align-items:center;border-radius:999px;padding:12px 20px;font-size:.95rem}
.contrast .bad{background:var(--card2);border:1px solid var(--line2);color:var(--muted)}
.contrast .good{background:var(--gtint);border:1px solid var(--green);color:var(--white)}
.contrast .bad::before{content:"\00d7";color:var(--red);font-weight:800;font-size:1.3rem}
.contrast .good::before{content:"\2713";color:var(--green);font-weight:800}
.score{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.score .row{display:grid;grid-template-columns:1.1fr 1.3fr 1.6fr;gap:0;border-top:1px solid var(--line)}
.score .row:first-child{border-top:0}
.score .row>div{padding:18px 22px}
.score .head>div{font-size:11px;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:var(--muted);background:var(--card)}
.score .head>div:last-child{color:var(--green)}
.score .q1{color:var(--white);font-weight:700}
.score .b{color:var(--muted)}
.score .g{background:var(--gtint);color:var(--white)}
.score .g::before{content:"\2713\00a0\00a0";color:var(--green);font-weight:800}
.vision{margin-top:44px;display:grid;gap:14px}
.vision p{margin:0;font-size:clamp(1.3rem,2.8vw,2rem);font-weight:800;color:var(--white);padding-left:18px;border-left:5px solid var(--c)}
.vision span{color:var(--c)}

/* loop */
.loop{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative}
.loop .card{padding:24px}
.loop .num{font-size:1.4rem;font-weight:800;color:var(--dim)}
.loop h3{color:var(--accent);letter-spacing:.08em;margin-top:18px}
.loop p{color:var(--tx)}
.loop-note{margin-top:14px;text-align:center;color:var(--green);font-weight:700;font-size:.9rem;border-top:1px dashed var(--dim);padding-top:12px}
.yours{margin-top:28px;background:var(--gtint);border:1px solid var(--green);border-radius:16px;padding:22px 26px;color:var(--white);font-size:1.1rem;text-align:center}
.yours b{color:var(--green)}

/* tabs */
.tabs{display:inline-flex;background:var(--card2);border:1px solid var(--line2);border-radius:999px;padding:4px;margin-bottom:28px;flex-wrap:wrap}
.tabs button{background:none;border:0;color:var(--tx);font:inherit;font-weight:700;padding:10px 20px;border-radius:999px;cursor:pointer}
.tabs button[aria-selected="true"]{background:var(--green);color:#04120b}
[hidden]{display:none!important}

/* forms */
.form{display:grid;gap:16px}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:block;font-size:.88rem;font-weight:700;color:var(--white);margin-bottom:6px}
input,select,textarea{width:100%;background:var(--card2);border:1px solid var(--line2);color:var(--white);padding:13px 14px;border-radius:10px;font:inherit}
input::placeholder,textarea::placeholder{color:var(--dim)}
textarea{min-height:130px;resize:vertical}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.success{background:var(--gtint);border:1px solid var(--green);border-radius:var(--radius);padding:28px}
.success h3{color:var(--green)}
.err{color:var(--red);font-size:.85rem;margin-top:4px;display:none}
.invalid+.err{display:block}
.invalid{border-color:var(--red)}

/* footer */
footer.site{border-top:1px solid var(--line);background:var(--card);padding:56px 0 30px;margin-top:0}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
footer h4{margin:0 0 12px;color:var(--white);font-size:.85rem;letter-spacing:.14em;text-transform:uppercase}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
footer a{color:var(--tx);text-decoration:none}
footer a:hover{color:var(--green)}
footer .fine{margin-top:36px;padding-top:20px;border-top:1px solid var(--line);color:var(--dim);font-size:.83rem;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}

/* page hero (inner) */
.page-hero{padding:64px 0 40px}
.breadcrumb{font-size:.85rem;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--muted);text-decoration:none}
.breadcrumb a:hover{color:var(--green)}
.cta-band{background:linear-gradient(135deg,#0F2A22 0%,#0C1018 70%);border:1px solid rgba(57,217,138,.35);border-radius:20px;padding:44px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.cta-band h2{font-size:clamp(1.5rem,3vw,2.1rem);max-width:22ch}

/* reveal */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.in{opacity:1;transform:none}

@media (max-width:960px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr}
  .loop{grid-template-columns:repeat(2,1fr)}
  .hero .grid{grid-template-columns:1fr}
  .orbit{margin:20px auto 0;max-width:320px}
  footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .nav-toggle{display:block}
  .menu{position:absolute;top:68px;left:0;right:0;background:var(--card);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:12px 24px 20px;display:none}
  .menu.open{display:flex}
  .menu .sub{position:static;display:block;box-shadow:none;border:0;margin:0;padding:0 0 0 14px;background:none}
  .menu .nav-actions{margin:10px 0 0;margin-left:0;flex-wrap:wrap}
  .menu .nav-actions .btn{flex:1 1 auto;min-width:140px}
}
@media (max-width:640px){
  section{padding:60px 0}
  .grid-2,.grid-4,.loop,.contrast,.form .two{grid-template-columns:1fr}
  .score .row{grid-template-columns:1fr}
  .score .head{display:none}
  .score .row>div{padding:10px 18px}
  .score .q1{padding-top:18px!important}
  .score .b::before{content:"Typical project: ";color:var(--dim)}
  .test-card .n{font-size:2.4rem}
  footer .cols{grid-template-columns:1fr}
  .cta-band{padding:28px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .orbit .spin,.orbit .spin2{animation:none}
  .js .reveal{opacity:1;transform:none;transition:none}
}