:root{
  --blue:#2447d6;
  --royal:#4169e1;
  --accent:#2447d6;
  --ink:#0b1437;
  --muted:#4a5683;
  --soft:#eef2ff;
  --line:#cfdafc;
  --bg:#ffffff;
  --grid:rgba(65,105,225,.07);
  --panel:rgba(255,255,255,.88);
  --panel-solid:#ffffff;
  --header:rgba(255,255,255,.82);
  --shadow:rgba(36,71,214,.16);
  --glow:rgba(255,255,255,.92);
  --btn-text:#ffffff;
  --btn-ghost:rgba(255,255,255,.8);
  --term-a:#2b50e0;
  --term-b:#1a36b8;
  --term-bar:rgba(0,0,10,.22);
  --input-bg:#ffffff;
  --code-s:#0b7a4b;
  --code-c:#7a86ad;
  --marq-bg:#2447d6;
  --foot-bg:#2447d6;
  --bgline:rgba(65,105,225,.35);
  --bgfill:rgba(65,105,225,.1);
  --wave1:rgba(65,105,225,.12);
  --wave2:rgba(65,105,225,.09);
  --wave3:rgba(36,71,214,.07);
  --blob:rgba(65,105,225,.13);
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --body:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
html[data-theme="dark"]{
  color-scheme:dark;
  --blue:#4169e1;
  --accent:#8fa9ff;
  --ink:#e8edff;
  --muted:#a3b0dd;
  --soft:#15235a;
  --line:#25366e;
  --bg:#060b1f;
  --grid:rgba(143,169,255,.06);
  --panel:rgba(12,20,52,.82);
  --panel-solid:#0c1434;
  --header:rgba(6,11,31,.8);
  --shadow:rgba(65,105,225,.28);
  --glow:rgba(6,11,31,.85);
  --btn-ghost:rgba(12,20,52,.7);
  --term-a:#0d1944;
  --term-b:#081030;
  --term-bar:rgba(65,105,225,.2);
  --input-bg:#0a1230;
  --code-s:#7fe3b0;
  --code-c:#7080b4;
  --marq-bg:#0e1a49;
  --foot-bg:#04081a;
  --bgline:rgba(143,169,255,.38);
  --bgfill:rgba(143,169,255,.1);
  --wave1:rgba(65,105,225,.22);
  --wave2:rgba(65,105,225,.15);
  --wave3:rgba(143,169,255,.1);
  --blob:rgba(65,105,225,.22);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;font-family:var(--body);font-size:15px;line-height:1.7;color:var(--ink);background-color:var(--bg);
  
  overflow-x:hidden;transition:background-color .4s,color .4s}
a{color:var(--accent)}
img,svg{max-width:100%}
.wrap{width:min(1120px,92%);margin:0 auto}
::selection{background:var(--blue);color:#fff}

#gl{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;transition:opacity .9s ease}
.site-header,main,footer{position:relative;z-index:2}
.progress{position:fixed;top:0;left:0;height:3px;width:100%;background:var(--accent);transform-origin:0 50%;transform:scaleX(0);z-index:100}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:var(--header);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:background .4s,border-color .4s}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{font-family:var(--mono);font-weight:800;font-size:1.25rem;color:var(--ink);text-decoration:none;letter-spacing:-.04em}
.logo b{color:var(--accent);animation:blink 1s steps(1) infinite}
.nav-links{display:flex;gap:24px;list-style:none;margin:0 0 0 auto;padding:0;align-items:center}
.nav-links a{font-family:var(--mono);font-size:.85rem;text-decoration:none;color:var(--ink)}
.nav-links a:not(.btn):hover{color:var(--accent)}
.nav-links a:not(.btn)::before{content:"./";color:var(--accent)}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;background:none;border:2px solid var(--accent);color:var(--accent);font:700 1rem var(--mono);padding:4px 10px;border-radius:6px;cursor:pointer}
.tbtn{display:inline-flex;align-items:center;gap:8px;font:600 .78rem var(--mono);color:var(--accent);background:var(--panel);border:2px solid var(--accent);border-radius:999px;padding:5px 12px 5px 9px;cursor:pointer;transition:background .15s,color .15s}
.tbtn:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.tb-icon{display:grid;width:18px;height:18px}
.tb-icon svg{display:none;width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
html[data-mode="auto"] .i-auto,html[data-mode="light"] .i-light,html[data-mode="dark"] .i-dark{display:block}
.tbtn:hover .tb-icon svg{animation:spin 1.2s linear}

/* buttons */
.btn{display:inline-block;font-family:var(--mono);font-weight:700;font-size:.9rem;text-decoration:none;cursor:pointer;
  padding:13px 22px;border-radius:6px;border:2px solid var(--blue);transition:transform .15s,box-shadow .15s,background .15s,color .15s}
.btn-primary{background:var(--blue);color:var(--btn-text);box-shadow:4px 4px 0 var(--shadow)}
.btn-primary:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--shadow)}
.btn-ghost{background:var(--btn-ghost);color:var(--accent);border-color:var(--accent)}
.btn-ghost:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn-sm{padding:8px 14px;font-size:.8rem}
.nav-links a.btn-primary{color:#fff}
.btn:focus-visible,.tbtn:focus-visible,.chips button:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:3px}

/* sections + live backgrounds */
section{padding:110px 0;position:relative;isolation:isolate;overflow:clip}
.bg{position:absolute;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}
.sky{position:fixed;inset:0;z-index:-1;pointer-events:none}
.sky svg{width:100%;height:100%}

/* hero */
.hero{min-height:calc(100vh - 64px);min-height:calc(100svh - 64px);display:flex;align-items:center;padding:60px 0 80px}
.hero-copy{position:relative;max-width:660px}
.hero-copy::before{content:"";position:absolute;inset:-28px -36px;background:var(--glow);opacity:.6;z-index:-1}
.prompt{font-family:var(--mono);font-size:.85rem;color:var(--muted);margin:0 0 18px}
.prompt .u{color:var(--accent);font-weight:700}
h1,h2,h3{font-family:var(--mono);line-height:1.12;letter-spacing:-.035em;margin:0}
h1{font-size:clamp(2.3rem,5.6vw,4.3rem);font-weight:800}
.typed{color:var(--accent)}
.caret{display:inline-block;width:.5em;height:.82em;background:var(--accent);margin-left:4px;vertical-align:-.05em;animation:blink 1s steps(1) infinite}
.lead{font-size:1.05rem;color:var(--muted);max-width:540px;margin:24px 0 32px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hud{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:44px;font-family:var(--mono);font-size:.8rem;color:var(--muted)}
.hud b{color:var(--accent)}
.hud button{padding:8px 14px;font-size:.8rem}
.scroll-hint{position:absolute;left:50%;bottom:22px;width:22px;height:36px;border:2px solid var(--accent);border-radius:12px;translate:-50% 0}
.scroll-hint::after{content:"";position:absolute;left:50%;top:6px;width:4px;height:7px;margin-left:-2px;background:var(--accent);border-radius:2px;animation:wheel 1.6s ease-in-out infinite}

/* marquee */
.marquee{background:var(--marq-bg);color:#fff;overflow:hidden;padding:14px 0;border-block:2px solid var(--accent)}
.marquee-track{display:flex;gap:42px;width:max-content;animation:slide 38s linear infinite;font-family:var(--mono);font-size:.9rem;font-weight:600}
.marquee-track span::before{content:"> ";opacity:.6}
.marquee:hover .marquee-track{animation-play-state:paused}

.section-head{max-width:640px;margin-bottom:54px}
.eyebrow{display:inline-block;font-family:var(--mono);font-size:.85rem;font-weight:600;color:var(--accent);background:var(--soft);padding:4px 10px;border-radius:4px;margin-bottom:16px}
h2{font-size:clamp(1.8rem,3.8vw,2.9rem);font-weight:800}
.section-head p{color:var(--muted);margin:18px 0 0}
em{font-style:normal;color:var(--accent)}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.card{position:relative;background:var(--panel);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border:2px solid var(--line);border-radius:10px;padding:28px;cursor:pointer;
  transform:perspective(900px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transform-style:preserve-3d;transition:transform .18s ease-out,border-color .2s,box-shadow .2s,background .4s;overflow:hidden}
.card::after{content:"";position:absolute;inset:0;background:color-mix(in srgb,var(--blue) 7%,transparent);opacity:0;transition:opacity .25s;pointer-events:none}
.card:hover{border-color:var(--accent);box-shadow:8px 8px 0 var(--shadow)}
.card:hover::after{opacity:1}
.card.poke{animation:poke .5s ease}
.card .tag{font-family:var(--mono);font-size:.75rem;color:var(--accent);font-weight:700;position:absolute;top:22px;right:24px}
.icon{width:50px;height:50px;border-radius:8px;background:var(--blue);display:grid;place-items:center;margin-bottom:20px;transform:translateZ(30px)}
.icon svg{width:26px;height:26px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:1.15rem;margin-bottom:10px;transform:translateZ(22px)}
.card p{margin:0;color:var(--muted);font-size:.9rem;transform:translateZ(10px)}

/* process */
.process-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
.process-grid .section-head{position:sticky;top:110px;margin:0}
.steps{position:relative;padding-left:64px}
.steps::before,.steps::after{content:"";position:absolute;left:19px;top:6px;width:3px;border-radius:2px}
.steps::before{bottom:40px;background:var(--line)}
.steps::after{height:calc((100% - 46px) * var(--p,0));background:var(--accent);box-shadow:0 0 14px var(--accent)}
.step{position:relative;padding-bottom:30px;opacity:.5;transition:opacity .5s}
.step::before{content:"";position:absolute;left:-55px;top:18px;width:24px;height:24px;border-radius:50%;background:var(--panel-solid);border:3px solid var(--line);transition:all .4s}
.step.on{opacity:1}
.step.on::before{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 7px var(--shadow)}
.step-box{background:var(--panel);border:2px solid var(--line);border-radius:10px;padding:22px 24px;transition:border-color .4s,background .4s}
.step.on .step-box{border-color:var(--accent)}
.step .n{font-family:var(--mono);font-size:.78rem;color:var(--accent);font-weight:700}
.step h3{font-size:1.3rem;margin:4px 0 8px}
.step p{margin:0;color:var(--muted);font-size:.9rem}

/* terminal */
.term{max-width:880px;margin:0 auto;border-radius:12px;background:var(--term-a);color:#fff;border:2px solid transparent;box-shadow:12px 12px 0 var(--shadow);overflow:hidden;font-family:var(--mono);font-size:.9rem}
html[data-theme="dark"] .term{border-color:var(--blue)}
.term-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:var(--term-bar);font-size:.78rem;color:#cfdbff}
.term-bar i{width:11px;height:11px;border-radius:50%;background:rgba(255,255,255,.55)}
.term-bar span{margin-left:10px}
.term-body{height:360px;overflow-y:auto;padding:18px 20px 6px;line-height:1.6}
.term-body div{white-space:pre-wrap;word-break:break-word;min-height:1.6em}
.t-p{color:#b4c7ff}
.t-ok{color:#fff;font-weight:700}
.t-dim{color:#c3d1ff}
.t-key{color:#fff;background:rgba(255,255,255,.16);padding:0 5px;border-radius:3px}
.term-input{display:flex;gap:10px;align-items:center;padding:8px 20px 18px}
.term-input .ps{color:#b4c7ff}
.term-input input{flex:1;background:transparent;border:0;outline:0;color:#fff;font:inherit;caret-color:#fff;min-width:0;padding:0;box-shadow:none}
.term-input input:focus{box-shadow:none}
.term-input input::placeholder{color:#a9bdff}
.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:26px}
.chips button{font-family:var(--mono);font-size:.8rem;font-weight:600;padding:7px 14px;border-radius:999px;border:2px solid var(--accent);background:var(--panel);color:var(--accent);cursor:pointer;transition:all .15s}
.chips button:hover{background:var(--blue);color:#fff;border-color:var(--blue)}

/* about */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-grid p{color:var(--muted)}
.values{list-style:none;padding:0;margin:22px 0 0}
.values li{padding:6px 0 6px 28px;position:relative}
.values li::before{content:">";position:absolute;left:0;color:var(--accent);font-weight:700}
.code{background:var(--panel);border:2px solid var(--accent);border-radius:10px;box-shadow:10px 10px 0 var(--shadow);font-family:var(--mono);font-size:.85rem;overflow:hidden}
.code-bar{background:var(--soft);padding:8px 16px;font-size:.78rem;color:var(--muted);border-bottom:2px solid var(--line)}
.code pre{margin:0;padding:18px 20px;overflow-x:auto;line-height:1.8}
.k{color:var(--accent);font-weight:600}.s{color:var(--code-s)}.c{color:var(--code-c)}

/* contact */
.contact-box{display:grid;grid-template-columns:1fr 1.2fr;gap:44px;background:var(--panel);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border:2px solid var(--accent);border-radius:12px;padding:44px;box-shadow:12px 12px 0 var(--shadow)}
.contact-box p{color:var(--muted)}
.direct{margin-top:26px}
form{display:grid;gap:16px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:grid;gap:6px;font-family:var(--mono);font-size:.78rem;font-weight:600;color:var(--ink)}
input,select,textarea{font:inherit;font-family:var(--body);font-size:.95rem;font-weight:400;padding:11px 12px;border:2px solid var(--line);border-radius:6px;background:var(--input-bg);color:var(--ink);width:100%;transition:background .4s,border-color .2s}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 4px var(--shadow)}
textarea{min-height:120px;resize:vertical}
form .btn{justify-self:start}

footer{background:var(--foot-bg);color:#fff;padding:30px 0;font-family:var(--mono);font-size:.82rem;border-top:2px solid var(--accent)}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}
footer a,footer button.linkish{color:#fff;margin-left:18px;text-decoration:none}
footer button.linkish{background:none;border:0;font:inherit;cursor:pointer;padding:0}
footer a:hover,footer button.linkish:hover{text-decoration:underline}
.foot a:first-child{margin-left:0}

/* motion */
.js .reveal{opacity:0;translate:0 30px;transition:opacity .7s ease var(--d,0s),translate .7s ease var(--d,0s)}
.js .reveal.in{opacity:1;translate:0 0}
@keyframes blink{50%{opacity:0}}
@keyframes wheel{0%{translate:0 0;opacity:1}100%{translate:0 12px;opacity:0}}
@keyframes slide{to{transform:translateX(-50%)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes poke{0%{transform:perspective(900px) scale(1)}35%{transform:perspective(900px) scale(.95) rotate(-1deg)}70%{transform:perspective(900px) scale(1.04) rotate(1deg)}100%{transform:perspective(900px) scale(1)}}

@media (max-width:860px){
  .process-grid,.about-grid,.contact-box{grid-template-columns:1fr}
  .process-grid .section-head{position:static}
  .contact-box{padding:28px}
  .row{grid-template-columns:1fr}
  section{padding:80px 0}
}
@media (max-width:720px){
  .nav-toggle{display:block}
  .nav-right{margin-left:auto}
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:16px;background:var(--panel-solid);padding:20px 4%;border-bottom:1px solid var(--line);margin:0}
  .nav-links.open{display:flex}
  .scroll-hint{display:none}
  .term-body{height:320px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;translate:none}
}