:root{
  --bg:#050507; --fg:#F2F2F0; --accent:#7C5CFF; --accent2:#00E0FF;
  --surface:#0F0F12; --border:#1F1F24; --muted:#6B6B74;
  --display:'Space Grotesk',-apple-system,BlinkMacSystemFont,sans-serif;
  --body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,'SF Mono',Consolas,monospace;
  --maxw:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);background-image:radial-gradient(ellipse 75% 55% at 50% 0%,rgba(124,92,255,.20),transparent 65%),radial-gradient(ellipse 55% 45% at 85% 70%,rgba(0,224,255,.12),transparent 65%);background-attachment:fixed;color:var(--fg);font-family:var(--body);font-size:16px;line-height:1.5;overflow-x:hidden;-webkit-font-smoothing:antialiased}
body::before{content:'';position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.09;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
a{color:inherit;text-decoration:none}
canvas#graph{position:fixed;inset:0;width:100%;height:100%;z-index:0;opacity:.55;pointer-events:none}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:1rem 2rem;background:rgba(5,5,7,.6);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.logo{font-family:var(--display);font-weight:600;font-size:1.1rem;letter-spacing:-.02em}
.logo .edition{color:var(--muted);font-weight:400;font-size:.82rem;margin-left:.4rem;font-family:var(--mono)}
.navlinks{display:flex;gap:1.5rem;font-size:.88rem;color:var(--muted)}
.navlinks a{transition:color .15s}
.navlinks a:hover{color:var(--fg)}
.cta-pill{font-family:var(--mono);font-size:.78rem;padding:.5rem 1rem;border:1px solid var(--border);border-radius:999px;transition:.2s}
.cta-pill:hover{border-color:var(--accent);box-shadow:0 0 24px rgba(124,92,255,.3);color:#fff}

main{position:relative;z-index:1}
section{max-width:var(--maxw);margin:0 auto;padding:6rem 2rem}

/* hero */
.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding-top:8rem;position:relative}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center}
.tag{display:inline-block;font-family:var(--mono);font-size:.7rem;color:var(--accent2);border:1px solid var(--border);padding:.28rem .65rem;border-radius:999px;margin-bottom:1.5rem;background:rgba(0,224,255,.04);letter-spacing:.02em}
.hero h1{font-family:var(--display);font-size:clamp(2.5rem,6vw,5rem);line-height:1.02;letter-spacing:-.03em;font-weight:600;margin-bottom:1.25rem}
.hero h1 em{font-style:italic;background:linear-gradient(120deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:1.12rem;color:var(--muted);max-width:30rem;margin-bottom:1.75rem;line-height:1.55}
.terminal{display:flex;align-items:center;gap:.5rem;font-family:var(--mono);font-size:.85rem;background:var(--surface);border:1px solid var(--border);border-radius:.5rem;padding:.6rem .9rem;margin-bottom:1.75rem;width:fit-content;min-width:24rem}
.terminal .prompt{color:var(--accent2)}
.terminal .cursor{width:8px;height:1.1em;background:var(--accent2);animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}
.hero-cta{display:flex;gap:1rem;flex-wrap:wrap}
.btn-primary{display:inline-block;font-family:var(--body);font-weight:500;padding:.7rem 1.2rem;background:linear-gradient(135deg,var(--accent) 0%,#9d7fff 100%);color:#fff;border-radius:999px;transition:transform .2s,box-shadow .2s;border:1px solid rgba(255,255,255,.08)}
.btn-primary:hover{box-shadow:0 0 30px rgba(124,92,255,.5),0 0 60px rgba(0,224,255,.18);transform:translateY(-2px)}
.btn-primary.lg{font-size:1.05rem;padding:.9rem 1.6rem}
.btn-ghost{display:inline-block;font-family:var(--body);padding:.7rem 1.2rem;border:1px solid var(--border);border-radius:999px;color:var(--muted);transition:.2s}
.btn-ghost:hover{color:var(--fg);border-color:var(--muted)}

/* glass cards */
.glass-card{background:rgba(15,15,18,.6);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:1rem;box-shadow:0 12px 48px rgba(0,0,0,.5),0 0 0 1px rgba(124,92,255,.04),inset 0 1px 0 rgba(255,255,255,.06)}

/* workflow mock */
.workflow-mock{padding:1rem}
.wm-head{display:flex;align-items:center;gap:.4rem;padding-bottom:.75rem;border-bottom:1px solid var(--border);margin-bottom:.75rem}
.wm-head .dot{width:10px;height:10px;border-radius:50%}
.wm-head .dot.r{background:#ff5f57}.wm-head .dot.y{background:#febc2e}.wm-head .dot.g{background:#28c840}
.wm-title{margin-left:.5rem;font-family:var(--mono);font-size:.74rem;color:var(--muted)}
.wm-body{position:relative;height:220px}
.wn{position:absolute;background:rgba(124,92,255,.14);border:1px solid var(--accent);border-radius:.5rem;padding:.5rem .7rem;font-size:.82rem;font-family:var(--mono);font-weight:500;box-shadow:0 0 16px rgba(124,92,255,.22);display:flex;flex-direction:column}
.wn-sub{color:var(--muted);font-size:.68rem;margin-top:.15rem}
.wn-a{top:14px;left:14px}.wn-b{top:14px;right:14px;border-color:var(--accent2);background:rgba(0,224,255,.08);box-shadow:0 0 16px rgba(0,224,255,.18)}
.wn-c{top:118px;left:96px}.wn-d{bottom:14px;right:34px}
.wire{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.scroll-ind{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);font-family:var(--mono);font-size:.7rem;color:var(--muted);letter-spacing:.12em}

/* sections */
.eyebrow{display:block;font-family:var(--mono);font-size:.7rem;color:var(--accent);letter-spacing:.12em;margin-bottom:.75rem;text-transform:uppercase}
.section h2{font-family:var(--display);font-size:clamp(1.8rem,3.5vw,2.8rem);line-height:1.05;letter-spacing:-.02em;font-weight:600;margin-bottom:1rem;max-width:18ch}
.section p{color:var(--muted);max-width:32rem;margin-bottom:1.5rem;line-height:1.6}
.split{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.bullets{list-style:none}
.bullets li{padding:.5rem 0;color:var(--fg);font-size:.94rem;border-bottom:1px solid var(--border);display:flex;align-items:center}
.bullets li::before{content:"→ ";color:var(--accent2);font-family:var(--mono);margin-right:.4rem}
.sec-head{margin-bottom:2.5rem;text-align:center}
.sec-head h2{margin:0 auto}
.sec-visual{display:flex;justify-content:center}

/* node editor */
.node-editor{padding:1rem;width:100%;max-width:420px}
.ne-toolbar{display:flex;gap:1.1rem;font-family:var(--mono);font-size:.68rem;color:var(--muted);padding-bottom:.75rem;border-bottom:1px solid var(--border);margin-bottom:.75rem}
.ne-canvas{position:relative;height:240px}
.ne-node{position:absolute;background:var(--surface);border:1px solid var(--border);border-radius:.4rem;padding:.4rem .6rem;font-family:var(--mono);font-size:.74rem}
.ne-node.n1{top:24px;left:24px;border-color:var(--accent2)}
.ne-node.n2{top:96px;left:130px}
.ne-node.n3{top:168px;left:236px;border-color:var(--accent)}
.ne-wires{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}

/* command palette */
.palette-mock{max-width:480px;margin:0 auto;background:rgba(15,15,18,.95);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:.75rem;box-shadow:0 16px 60px rgba(0,0,0,.6);overflow:hidden}
.pm-input{display:flex;align-items:center;gap:.6rem;padding:.85rem 1rem;border-bottom:1px solid var(--border);font-family:var(--mono);font-size:.85rem;color:var(--muted)}
.kbd{font-family:var(--mono);font-size:.65rem;background:var(--surface);border:1px solid var(--border);border-radius:.25rem;padding:.12rem .38rem;color:var(--fg)}
.pm-row{display:flex;align-items:center;gap:.7rem;padding:.6rem 1rem;font-size:.9rem;cursor:pointer;transition:background .15s}
.pm-row:hover{background:rgba(124,92,255,.08)}
.pm-ic{font-size:1rem}
.pm-tag{margin-left:auto;font-family:var(--mono);font-size:.68rem;color:var(--muted)}

/* dashboard */
.dash-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.dash-card{padding:1.25rem}
.dc-label{font-family:var(--mono);font-size:.68rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}
.dc-value{font-family:var(--display);font-size:2rem;font-weight:600;margin:.5rem 0}
.spark{width:100%;height:30px}
.spark path{stroke:var(--accent2);stroke-width:1.5;fill:none;stroke-linejoin:round;stroke-linecap:round}
.log-card .log{font-family:var(--mono);font-size:.68rem;color:var(--muted);line-height:1.7;white-space:pre;overflow:hidden;margin-top:.5rem}
.log-card .log{color:var(--fg)}

/* bento */
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:120px;gap:.75rem}
.bento-tile{display:flex;flex-direction:column;justify-content:space-between;background:var(--surface);border:1px solid var(--border);border-radius:.75rem;padding:1.25rem;min-height:120px;transition:transform .2s,box-shadow .2s,border-color .2s;font-family:var(--display);font-weight:600;font-size:1.1rem;position:relative;overflow:hidden}
.bento-tile.big{grid-column:span 2;grid-row:span 2;font-size:1.5rem;padding:1.75rem}
.bento-tile.wide{grid-column:span 2}
.bento-tile.tall{grid-row:span 2}
.bento-tile.big::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 30% 30%,rgba(124,92,255,.20),transparent 60%);pointer-events:none}
.bento-tile.tall::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 70% 70%,rgba(0,224,255,.12),transparent 60%);pointer-events:none}
.bento-tile:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 0 24px rgba(124,92,255,.22)}
.bt-sub{font-family:var(--mono);font-size:.68rem;color:var(--muted);font-weight:400;margin-top:.5rem}

/* cta + signature */
.cta-footer{position:relative;text-align:center;padding:8rem 2rem 4rem;overflow:hidden}
.cta-h{font-family:var(--display);font-size:clamp(2rem,5vw,3.5rem);font-weight:600;letter-spacing:-.02em;margin-bottom:1.5rem;line-height:1.05}
.cta-sub{color:var(--muted);font-size:.86rem;margin-top:1.25rem;font-family:var(--mono)}
.signature{font-family:var(--display);font-weight:700;font-size:clamp(6rem,22vw,20rem);letter-spacing:-.05em;line-height:.85;background:linear-gradient(180deg,rgba(124,92,255,.14),transparent 70%);-webkit-background-clip:text;background-clip:text;color:transparent;margin-top:3rem;user-select:none}

/* footer */
.foot{border-top:1px solid var(--border);padding:3rem 2rem 2rem;max-width:var(--maxw);margin:0 auto;position:relative;z-index:1;background:var(--bg)}
.foot-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;margin-bottom:2rem}
.foot-cols h5{font-family:var(--mono);font-size:.68rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:.75rem}
.foot-cols a{display:block;padding:.25rem 0;font-size:.88rem;color:var(--fg);opacity:.65;transition:opacity .15s,color .15s}
.foot-cols a:hover{opacity:1;color:var(--accent2)}
.foot-bottom{display:flex;justify-content:space-between;font-family:var(--mono);font-size:.72rem;color:var(--muted);padding-top:1.5rem;border-top:1px solid var(--border)}

/* scroll reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){.reveal{opacity:1;transform:none}.terminal .cursor{animation:none}}

/* responsive */
@media(max-width:880px){
  .hero-grid,.split{grid-template-columns:1fr}
  .dash-grid{grid-template-columns:1fr}
  .bento{grid-template-columns:repeat(2,1fr)}
  .foot-cols{grid-template-columns:repeat(2,1fr)}
  .navlinks{display:none}
  .terminal{min-width:auto;width:100%}
  .hero-visual{display:none}
  section{padding:4rem 1.25rem}
  .nav{padding:1rem 1.25rem}
}