/* Axon — design system
   Ground is near-black with a blue bias; one signal colour (teal) carries every
   interactive state; periwinkle appears only inside the canvas gradient. */

:root{
  --ground:#06080D; --surface:#0D111A; --raised:#141A25; --sunken:#03050A;
  --ink:#E9EEF6; --ink-2:#B6C2D2; --muted:#8492A6; --faint:#5C6878;
  --line:#1B2330; --line-2:#252F3F;
  --signal:#2DE1C2; --signal-dim:#1B8F7C; --signal-glow:rgba(45,225,194,.14);
  --peri:#8B9BFF;
  --warn:#FFB454; --bad:#FF7A6B;
  --r:14px; --rs:9px;
  --shell:min(1180px,100% - 48px);
}
@media (max-width:640px){ :root{ --shell:min(1180px,100% - 32px) } }

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--ground);color:var(--ink);
  font-family:"IBM Plex Sans",system-ui,-apple-system,Segoe UI,sans-serif;
  font-size:16px;line-height:1.62;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:"Chakra Petch","Chakra Petch Fallback",system-ui,sans-serif;
  margin:0;font-weight:600;letter-spacing:-.015em;line-height:1.1;text-wrap:balance;
}
p{margin:0}
a{color:var(--signal);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:4px}
.mono{font-family:"IBM Plex Mono",ui-monospace,monospace;font-variant-numeric:tabular-nums}
.shell{width:var(--shell);margin-inline:auto}
.eyebrow{
  font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--signal);display:inline-block;
}
.eyebrow::before{content:"// "}
section{padding-block:88px;position:relative}
.rule{height:1px;background:linear-gradient(90deg,transparent,var(--line-2) 15%,var(--line-2) 85%,transparent)}

/* ── nav ───────────────────────────────────────────── */
.top{position:sticky;top:0;z-index:60;background:rgba(6,8,13,.82);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.top .shell{display:flex;align-items:center;gap:28px;height:62px}
.logo{display:flex;align-items:center;gap:10px;margin-right:auto;color:var(--ink)}
.logo:hover{text-decoration:none}
.logo svg{flex:none}
.logo b{font-family:"Chakra Petch",sans-serif;font-size:19px;font-weight:700;
  letter-spacing:.02em}
.navlink{color:var(--ink-2);font-size:14.5px;position:relative;padding-block:4px}
.navlink:hover{color:var(--ink);text-decoration:none}
.navlink::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;
  background:var(--signal);transition:right .22s ease}
.navlink:hover::after,.navlink[aria-current="page"]::after{right:0}
.navlink[aria-current="page"]{color:var(--ink)}
@media (max-width:800px){.navlink{display:none}}
.progress{position:absolute;left:0;bottom:-1px;height:2px;width:0;
  background:linear-gradient(90deg,var(--signal-dim),var(--signal));z-index:61}

/* ── buttons ───────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:9px;border:0;cursor:pointer;
  font-family:"IBM Plex Sans",sans-serif;font-size:14.5px;font-weight:600;
  padding:11px 20px;border-radius:var(--rs);background:var(--signal);color:#04241E;
  transition:transform .16s ease, box-shadow .16s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px);
  box-shadow:0 8px 26px -8px var(--signal)}
.btn:active{transform:translateY(0)}
.btn.line{background:transparent;color:var(--ink);border:1px solid var(--line-2)}
.btn.line:hover{border-color:var(--signal);color:var(--signal);box-shadow:none}
.btn:disabled{opacity:.55;cursor:default;transform:none;box-shadow:none}

/* ── hero ──────────────────────────────────────────── */
.hero{padding-block:104px 76px;position:relative;isolation:isolate}
#axonCanvas{position:absolute;inset:0;width:100%;height:100%;z-index:-1;
  mask-image:linear-gradient(180deg,#000 55%,transparent);
  -webkit-mask-image:linear-gradient(180deg,#000 55%,transparent)}
.hero h1{font-size:clamp(40px,7vw,74px);font-weight:700;max-width:15ch;letter-spacing:-.03em}
.hero h1 em{font-style:normal;color:var(--signal)}
.hero .lede{font-size:clamp(17px,2vw,20.5px);color:var(--ink-2);max-width:54ch;
  margin-top:24px}
.hero .acts{display:flex;gap:12px;flex-wrap:wrap;margin-top:36px}
.hero .meta{margin-top:28px;display:flex;gap:10px;flex-wrap:wrap;align-items:center;
  font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--faint)}
.hero .meta i{width:5px;height:5px;border-radius:50%;background:var(--signal);
  box-shadow:0 0 0 4px var(--signal-glow);flex:none;font-style:normal}

/* ── stats ─────────────────────────────────────────── */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));
  gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden}
.stat{background:var(--surface);padding:24px;position:relative;overflow:hidden}
.stat b{display:block;font-family:"Chakra Petch",sans-serif;font-size:34px;font-weight:700;
  color:var(--ink);letter-spacing:-.02em;line-height:1;font-variant-numeric:tabular-nums}
.stat > span{display:block;font-size:13px;color:var(--muted);margin-top:10px;line-height:1.5}
.stat b span{font-size:inherit;font-family:inherit;color:inherit}
.stat::after{content:"";position:absolute;left:0;top:0;height:2px;width:0;
  background:var(--signal);transition:width .9s cubic-bezier(.2,.8,.2,1)}
.stat.seen::after{width:100%}

/* ── section heads ─────────────────────────────────── */
.head{margin-bottom:38px;max-width:62ch}
.head h2{font-size:clamp(28px,4vw,42px);font-weight:700;margin-top:12px;letter-spacing:-.025em}
.head p{color:var(--muted);margin-top:14px;font-size:16.5px}

/* ── cards ─────────────────────────────────────────── */
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(270px,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:26px;display:flex;flex-direction:column;gap:12px;position:relative;
  transition:border-color .2s, transform .2s}
.card:hover{border-color:var(--line-2);transform:translateY(-2px)}
.card h3{font-size:20px;font-weight:600}
.card .for{font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:var(--signal);
  letter-spacing:.04em}
.card p{color:var(--ink-2);font-size:14.8px;flex-grow:1}
.card .price{font-family:"IBM Plex Mono",monospace;font-size:15px;color:var(--ink);
  border-top:1px solid var(--line);padding-top:14px;margin-top:4px}
.card .price small{display:block;font-family:"IBM Plex Sans",sans-serif;font-size:12.5px;
  color:var(--faint);margin-top:4px}

/* ── interactive pipeline ──────────────────────────── */
.pipe{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:28px;display:grid;grid-template-columns:1fr 320px;gap:28px;align-items:start}
@media (max-width:860px){.pipe{grid-template-columns:1fr}}
.stages{display:flex;flex-wrap:wrap;gap:10px}
.stage{background:var(--raised);border:1px solid var(--line-2);border-radius:var(--rs);
  padding:13px 16px;cursor:pointer;font-family:"IBM Plex Mono",monospace;font-size:13px;
  color:var(--ink-2);transition:.18s;flex:1 1 130px;text-align:left}
.stage:hover{border-color:var(--signal-dim);color:var(--ink)}
.stage[aria-selected="true"]{border-color:var(--signal);color:var(--signal);
  background:var(--signal-glow);box-shadow:0 0 22px -8px var(--signal)}
.stage em{display:block;font-style:normal;font-size:10.5px;color:var(--faint);margin-top:3px}
.stage[aria-selected="true"] em{color:var(--signal-dim)}
.detail{background:var(--sunken);border:1px solid var(--line);border-radius:var(--rs);
  padding:20px;min-height:190px}
.detail h4{font-size:16.5px;color:var(--signal);margin-bottom:10px}
.detail p{font-size:14.2px;color:var(--ink-2);line-height:1.6}
.detail .kv{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);
  font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--faint)}

/* ── case list ─────────────────────────────────────── */
.case{display:grid;grid-template-columns:170px 1fr;gap:26px;padding-block:30px;
  border-bottom:1px solid var(--line)}
.case:last-child{border-bottom:0}
@media (max-width:760px){.case{grid-template-columns:1fr;gap:10px}}
.case h3{font-size:21px;font-weight:600;margin-bottom:10px}
.case p{color:var(--ink-2);font-size:15px;max-width:66ch}
.chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.chip{font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:var(--muted);
  border:1px solid var(--line-2);border-radius:6px;padding:4px 9px}

/* ── training ──────────────────────────────────────── */
.track{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;transition:border-color .2s}
.track.open{border-color:var(--signal-dim)}
.track-hd{width:100%;background:none;border:0;cursor:pointer;padding:26px;
  display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;text-align:left;
  color:inherit;font-family:inherit}
.track-hd:hover{background:var(--raised)}
.badge{display:inline-block;font-family:"IBM Plex Mono",monospace;font-size:10.5px;
  letter-spacing:.08em;text-transform:uppercase;color:var(--signal);
  border:1px solid var(--signal-dim);border-radius:99px;padding:3px 10px;margin-bottom:12px}
.track h3{font-size:22px;font-weight:600;letter-spacing:-.02em}
.track .ar{font-size:15px;color:var(--muted);margin-top:7px;direction:rtl;
  font-family:"IBM Plex Sans",system-ui,sans-serif}
.track .sub{color:var(--ink-2);font-size:14.8px;margin-top:12px;max-width:64ch}
.track-meta{text-align:right;flex:none}
.track-meta b{display:block;font-family:"Chakra Petch",sans-serif;font-size:26px;
  font-weight:700;color:var(--ink)}
.track-meta span{display:block;font-family:"IBM Plex Mono",monospace;font-size:11.5px;
  color:var(--faint);margin-top:5px}
.track-meta .chev{display:inline-flex;align-items:center;gap:7px;margin-top:16px;
  color:var(--signal);font-family:"IBM Plex Mono",monospace;font-size:11.5px;
  letter-spacing:.08em;text-transform:uppercase;border:1px solid var(--signal-dim);
  border-radius:99px;padding:5px 13px;transition:background .18s}
.track-hd:hover .chev{background:var(--signal-glow)}
.track-meta .chev i{font-style:normal;display:inline-block;transition:transform .22s}
.track.open .chev i{transform:rotate(180deg)}
@media (max-width:700px){.track-hd{grid-template-columns:1fr}.track-meta{text-align:left}}
.track-body{display:none;border-top:1px solid var(--line);padding:26px;
  background:var(--sunken)}
.track.open .track-body{display:block}
.free{display:flex;align-items:center;gap:10px;background:var(--signal-glow);
  border:1px solid var(--signal-dim);border-radius:var(--rs);padding:12px 16px;
  font-size:14px;color:var(--signal);margin-bottom:24px}
.mods{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.mod{background:var(--surface);border:1px solid var(--line);border-radius:var(--rs);
  padding:20px}
.mod .n{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--signal);
  letter-spacing:.1em}
.mod h4{font-size:16px;font-weight:600;margin:8px 0 12px;line-height:1.35}
.mod ul{margin:0;padding-left:17px;display:flex;flex-direction:column;gap:8px}
.mod li{font-size:13.6px;color:var(--ink-2);line-height:1.55}
.mod li::marker{color:var(--signal-dim)}

/* ── contact ───────────────────────────────────────── */
.contact{background:var(--sunken);border-block:1px solid var(--line)}
.cgrid{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:start}
@media (max-width:860px){.cgrid{grid-template-columns:1fr;gap:34px}}
form{display:flex;flex-direction:column;gap:16px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:560px){.row2{grid-template-columns:1fr}}
label{display:block;font-size:12.5px;font-weight:500;color:var(--muted);margin-bottom:7px;
  font-family:"IBM Plex Mono",monospace;letter-spacing:.05em;text-transform:uppercase}
input,textarea,select{width:100%;background:var(--surface);border:1px solid var(--line-2);
  border-radius:var(--rs);padding:12px 14px;color:var(--ink);font:inherit;font-size:15px;
  transition:border-color .16s, box-shadow .16s}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--signal);
  box-shadow:0 0 0 3px var(--signal-glow)}
textarea{resize:vertical;min-height:92px}
::placeholder{color:var(--faint)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
#status{display:none;font-size:14.5px;padding:13px 16px;border-radius:var(--rs)}
#status.on{display:block}
#status.ok{background:var(--signal-glow);border:1px solid var(--signal-dim);color:var(--signal)}
#status.bad{background:rgba(255,122,107,.1);border:1px solid rgba(255,122,107,.4);color:var(--bad)}

/* ── footer ────────────────────────────────────────── */
footer{padding-block:44px;color:var(--muted);font-size:14px}
.fgrid{display:flex;gap:24px;flex-wrap:wrap;align-items:center}
.fgrid a{color:var(--ink-2)}
.fgrid a:hover{color:var(--signal)}
.fgrid .push{margin-left:auto}

/* ── reveal ────────────────────────────────────────── */
.rev{opacity:1;transform:none}
@media (prefers-reduced-motion:no-preference){
  .rev{opacity:0;transform:translateY(14px);
    transition:opacity .6s ease, transform .6s cubic-bezier(.2,.8,.2,1)}
  .rev.seen{opacity:1;transform:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
}