@font-face{font-family:'Inter';src:url(../fonts/inter.woff2) format('woff2');font-weight:400 600;font-style:normal;font-display:swap}
@font-face{font-family:'Geist';src:url(../fonts/geist.woff2) format('woff2');font-weight:400 600;font-style:normal;font-display:swap}
@font-face{font-family:'Geist Mono';src:url(../fonts/geist-mono.woff2) format('woff2');font-weight:400 500;font-style:normal;font-display:swap}

:root{
  --bg:#020409;
  --ring:rgba(255,255,255,.14);
  --chip:#1f1f1f;
  --text-2:#e7e7e7;
  --muted:#999;
  --accent:#52a8ff;
  --success:#62c073;
  --warn:#ff8a7a;
  --pad:56px;
  --sans:'Inter',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'Geist Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text-2);font:400 16px/1.55 var(--sans);font-optical-sizing:auto;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
a{color:inherit}
h1,h2,h3,p,ol,ul{margin:0}
ol,ul{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
::selection{background:rgba(82,168,255,.35);color:#fff}
.skip{position:absolute;left:16px;top:-60px;z-index:100;background:#fff;color:#121212;padding:8px 12px;text-decoration:none;font-weight:500}
.skip:focus{top:16px}

/* ---------- scene layers ---------- */
#gl{position:fixed;left:0;top:0;z-index:1;display:block;pointer-events:none}
.backdrop{position:fixed;inset:0;z-index:0;background:radial-gradient(ellipse 60% 70% at 72% 48%,#0d1f3d 0%,#07101f 46%,#020409 100%)}
#scene,#bloom{position:fixed;left:0;top:0;width:100vw;height:100vh;z-index:1;pointer-events:none}
#bloom{filter:blur(7px) saturate(1.6);opacity:.8;mix-blend-mode:screen}
.grain{position:fixed;inset:0;z-index:2;pointer-events:none;opacity:.08;mix-blend-mode:overlay;display:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
html.engine-2d .grain{display:block}
.vignette{position:fixed;inset:0;z-index:2;pointer-events:none;background:linear-gradient(to right,rgba(2,4,9,.5),transparent 44%)}

/* ---------- chrome ---------- */
.btn-square{display:inline-flex;align-items:center;gap:10px;background:#fff;color:#121212;border-radius:0;padding:8px 12px;font:500 16px/1.2 var(--sans);text-decoration:none;white-space:nowrap;transition:background .15s,transform .15s}
.btn-square:hover{background:#e7e7e7}
.btn-square:active{transform:translateY(1px)}
.btn-square svg{width:12px;height:12px;flex:none;transition:transform .2s}
.btn-square:hover svg{transform:translate(2px,-2px)}
.btn-lg{font-size:20px;padding:14px 22px;gap:14px}
.link{color:#fff;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;text-decoration-color:rgba(255,255,255,.4);transition:color .15s,text-decoration-color .15s}
.link:hover{color:var(--accent);text-decoration-color:var(--accent)}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--chip);border-radius:100px;padding:4px 10px;font:400 12px/1.4 var(--mono);letter-spacing:.02em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.dot{width:6px;height:6px;border-radius:50%;background:var(--muted);flex:none}
.dot.ok{background:var(--success);box-shadow:0 0 8px rgba(98,192,115,.6)}
.dot.focus{background:var(--accent);box-shadow:0 0 8px rgba(82,168,255,.6)}
.arrow{display:inline-block;width:10px;height:10px;flex:none}

.site-header{position:fixed;top:0;left:0;right:0;z-index:20;padding:30px var(--pad) 22px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  background:linear-gradient(to bottom,rgba(2,4,9,.85),rgba(2,4,9,0))}
.brand{display:inline-flex;align-items:baseline;gap:10px;font:500 20px/1 var(--sans);color:#fff;text-decoration:none;letter-spacing:-.2px;justify-self:start}
.brand-mark{font:500 18px/1 var(--mono);color:var(--accent);text-shadow:0 0 12px rgba(82,168,255,.6)}
.nav{display:flex;gap:36px}
.nav a{color:#fff;text-decoration:none;font-size:16px;opacity:.9;position:relative}
.nav a:hover,.nav a.on{color:var(--accent);opacity:1}
.nav a.on::after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:1px;background:var(--accent);box-shadow:0 0 8px var(--accent)}
.header-cta{justify-self:end}
.menu-toggle{display:none;justify-self:end;background:rgba(2,4,9,.6);border:1px solid var(--ring);color:#fff;font:400 13px/1 var(--mono);text-transform:uppercase;letter-spacing:.06em;padding:10px 12px;cursor:pointer}
.mobile-menu{position:fixed;inset:0;z-index:50;background:#000;padding:30px 20px 32px;display:none;flex-direction:column}
.mobile-menu.open{display:flex}
.mobile-menu .mm-top{display:flex;justify-content:space-between;align-items:center}
.mobile-menu nav{margin-top:64px;display:flex;flex-direction:column}
.mobile-menu nav a{font:500 34px/1.1 var(--sans);letter-spacing:-1.2px;color:#fff;text-decoration:none;padding:14px 0;border-bottom:1px solid var(--ring)}
.mobile-menu .btn-square{margin-top:auto;align-self:flex-start}

.hud{position:fixed;right:var(--pad);bottom:20px;z-index:10;display:flex;gap:18px;align-items:center;padding:7px 12px;background:rgba(2,4,9,.72);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 0 0 1px rgba(82,168,255,.12);font:400 11px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:#7f8a99;pointer-events:none}
.hud b{color:#cfe6ff;font-weight:400}
.hud .hint{color:#5d6878}
.progress{position:fixed;right:22px;top:50%;transform:translateY(-50%);z-index:10;display:flex;flex-direction:column;gap:10px}
.progress a{display:block;width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.18);transition:background .2s,box-shadow .2s,transform .2s}
.progress a:hover{background:rgba(255,255,255,.5)}
.progress a.on{background:var(--accent);box-shadow:0 0 10px var(--accent);transform:scale(1.4)}

/* ---------- steps + panels ---------- */
main{position:relative;z-index:3}
.step{min-height:100vh;min-height:100svh;display:flex;align-items:center;padding:120px var(--pad) 90px}
.step+.step{margin-top:12vh}
.panel{position:relative;width:min(560px,44vw);background:rgba(2,4,10,.6);-webkit-backdrop-filter:blur(10px) saturate(1.15);backdrop-filter:blur(10px) saturate(1.15);
  box-shadow:0 0 0 1px rgba(82,168,255,.16),0 40px 90px rgba(0,0,0,.5)}
.panel::before,.panel::after{content:"";position:absolute;width:16px;height:16px;border:1px solid var(--accent);pointer-events:none;filter:drop-shadow(0 0 6px rgba(82,168,255,.7))}
.panel::before{left:-1px;top:-1px;border-right:0;border-bottom:0}
.panel::after{right:-1px;bottom:-1px;border-left:0;border-top:0}
html.js .panel{opacity:0;transform:translateY(36px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
html.js .step.seen .panel{opacity:1;transform:none}
.panel-bar{display:flex;gap:14px;align-items:center;padding:11px 18px;border-bottom:1px solid rgba(82,168,255,.14);font:400 11px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.panel-bar::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent);flex:none}
.panel-bar .r{margin-left:auto;color:#6f7782}
.panel-body{padding:26px 26px 24px}
.panel-title{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}
.panel h2{font:500 38px/1.04 var(--sans);letter-spacing:-.035em;color:#fff}
.desc{margin-top:16px;font-size:15px;line-height:1.6;color:var(--text-2)}
.cap{margin-top:10px;font:400 11px/1.5 var(--mono);letter-spacing:.04em;color:#6b7686}
.card-link{margin-top:20px;display:inline-flex;align-items:center;gap:8px;font:400 13px/1.4 var(--mono);color:#fff;text-decoration:none}
.card-link:hover{color:var(--accent)}
.card-link .arrow{transition:transform .2s}
.card-link:hover .arrow{transform:translate(2px,-2px)}

/* terminal blocks */
.term{margin-top:20px;padding:14px 16px;background:rgba(0,0,0,.52);box-shadow:0 0 0 1px rgba(255,255,255,.07);font:400 12px/1.75 var(--mono);color:#9aa6b6;white-space:pre;overflow-x:auto;scrollbar-width:none}
.term::-webkit-scrollbar{display:none}
.term .ln{display:block;min-height:1.75em}
html.js .term .ln{clip-path:inset(0 100% 0 0)}
html.js .step.seen .term .ln.on{animation:type .4s steps(var(--steps,24)) forwards}
@keyframes type{to{clip-path:inset(0 0 0 0)}}
.term .pr{color:var(--success)}
.term .hi{color:#fff}
.term .ok{color:var(--success)}
.term .bad{color:var(--warn)}
.term .dim{color:#5c6777}
.term .acc{color:var(--accent)}
.term .bar{color:var(--accent);text-shadow:0 0 8px rgba(82,168,255,.55)}
.term .bar2{color:#55606f}
.checks{margin-top:12px;display:flex;flex-wrap:wrap;gap:6px}
.checks .chip{font-size:11px}

.steps li{display:grid;grid-template-columns:118px 1fr;gap:6px 16px;padding:14px 0;border-top:1px solid rgba(255,255,255,.08)}
.steps li:first-child{border-top:0;padding-top:0}
.steps .k{font:400 12px/1.5 var(--mono);color:#cfe6ff}
.steps .k i{display:block;margin-top:8px;height:4px;background:rgba(255,255,255,.06);border-radius:2px;position:relative}
.steps .k i b{position:absolute;top:0;bottom:0;border-radius:2px;background:var(--accent);box-shadow:0 0 8px rgba(82,168,255,.5)}
.steps p{font-size:14px;line-height:1.5;color:var(--text-2)}
.steps .where{grid-column:2;color:var(--muted);font-size:13px}
.steps .where b{color:#e7e7e7;font-weight:500}
.tools{margin-top:22px;padding-top:16px;border-top:1px solid var(--ring)}
.tools .chips{margin-top:10px;display:flex;flex-wrap:wrap;gap:6px}
.tools .chip{text-transform:none;letter-spacing:0;color:#e7e7e7}
.label{font:400 11px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:#6f7782}

.xp li{display:grid;grid-template-columns:1fr auto;gap:2px 16px;padding:14px 0;border-top:1px solid rgba(255,255,255,.08)}
.xp li:first-child{border-top:0;padding-top:0}
.xp h3{font:500 17px/1.3 var(--sans);letter-spacing:-.01em;color:#fff}
.xp .role{font-size:13px;color:var(--muted)}
.xp .date{grid-column:2;grid-row:1;font:400 11px/1.7 var(--mono);letter-spacing:.06em;color:var(--muted);text-align:right;white-space:nowrap}
.xp .d{grid-column:1 / -1;margin-top:6px;font-size:14px;line-height:1.55;color:var(--text-2)}
.edu{margin-top:18px;padding-top:14px;border-top:1px solid var(--ring);display:grid;gap:8px}
.edu p{font-size:13px;color:var(--muted);display:flex;justify-content:space-between;gap:12px}
.edu p b{color:#e7e7e7;font-weight:500}
.edu .yr{font-family:var(--mono);font-size:11px;letter-spacing:.06em;white-space:nowrap}

/* hero */
.hero{align-items:flex-end;padding-bottom:max(64px,9svh)}
.hero-copy{max-width:720px}
.headline-fluid{font:500 clamp(34px,4.3vw,62px)/1.03 var(--sans);letter-spacing:-.04em;color:#fff;max-width:740px;margin-top:20px;text-wrap:balance;text-shadow:0 2px 30px rgba(0,0,0,.6)}
.hero-sub{margin-top:20px;max-width:580px;font-size:16px;line-height:1.6;color:#e7e7e7;text-wrap:pretty;text-shadow:0 1px 18px rgba(0,0,0,.8)}
.hero-ctas{margin-top:30px;display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.readout{margin-top:30px;display:flex;flex-wrap:wrap;gap:8px}
.readout li{display:inline-flex;gap:8px;align-items:baseline;background:rgba(3,5,11,.6);box-shadow:0 0 0 1px rgba(255,255,255,.09);padding:6px 10px;font:400 11px/1.3 var(--mono);letter-spacing:.04em;color:var(--muted);text-transform:uppercase}
.readout b{font:500 14px/1 var(--mono);color:#fff;letter-spacing:0}
html.js .hero-copy>*{opacity:0;transform:translateY(14px);animation:rise .9s cubic-bezier(.2,.7,.2,1) forwards}
html.js .hero-copy>*:nth-child(1){animation-delay:1.2s}
html.js .hero-copy>*:nth-child(2){animation-delay:1.35s}
html.js .hero-copy>*:nth-child(3){animation-delay:1.5s}
html.js .hero-copy>*:nth-child(4){animation-delay:1.65s}
html.js .hero-copy>*:nth-child(5){animation-delay:1.8s}
@keyframes rise{to{opacity:1;transform:none}}

/* contact */
.contact .panel h2{font-size:clamp(30px,3.2vw,44px);line-height:1.06;letter-spacing:-.04em;text-wrap:balance}
.contact .btn-lg{margin-top:28px;font-size:17px}
.contact-links{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px 24px;font:400 13px/1.4 var(--mono)}
.contact-links a{color:#e7e7e7;text-decoration:none;display:inline-flex;align-items:center;gap:8px}
.contact-links a:hover{color:var(--accent)}
.foot{margin-top:28px;padding-top:16px;border-top:1px solid var(--ring);font:400 11px/1.5 var(--mono);letter-spacing:.06em;color:var(--muted);text-transform:uppercase}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .nav{gap:24px}
  .panel{width:min(520px,52vw)}
}
@media (max-width:900px){
  :root{--pad:16px}
  .site-header{padding:20px var(--pad) 18px;grid-template-columns:1fr auto}
  .nav,.header-cta{display:none}
  .menu-toggle{display:block}
  .vignette{display:none}
  .step{align-items:flex-end;padding:50svh var(--pad) 28px}
  .step+.step{margin-top:0}
  .hero{padding-bottom:40px}
  .panel{width:100%}
  .panel-body{padding:22px 18px 20px}
  .panel-bar span:nth-child(2){display:none}
  .panel h2{font-size:32px}
  .term{font-size:11px;padding:12px}
  .hud,.progress{display:none}
  .steps li{grid-template-columns:1fr}
  .steps .where{grid-column:1}
}
@media (max-width:420px){
  .btn-lg{font-size:18px;padding:13px 18px}
  .contact .btn-lg{font-size:14px;white-space:normal;word-break:break-all}
}
@media (min-width:901px) and (max-height:780px){
  .step{padding-top:92px;padding-bottom:36px}
  .panel-body{padding:20px 22px 18px}
  .panel h2{font-size:32px}
  .desc{font-size:14px}
  .term{margin-top:14px;line-height:1.6}
  .xp li{padding:10px 0}
  .xp .d{font-size:13px;line-height:1.5}
  .steps li{padding:9px 0}
  .steps p{font-size:13px}
  .tools{margin-top:14px;padding-top:12px}
  .tools .chip{font-size:11px;padding:3px 8px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html.js .hero-copy>*{opacity:1;transform:none}
  html.js .term .ln{clip-path:none}
}