:root{
  --bg:#0e100f; --surface:#151817; --surface-2:#1b1f1d; --line:#2a2f2c;
  --text:#ece9e2; --muted:#9aa19b; --accent:#b6f24a; --accent-ink:#0e1a02;
  --mono:ui-monospace,"JetBrains Mono",SFMono-Regular,Menlo,Consolas,monospace;
  --sans:Inter,Geist,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:5rem;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:1rem/1.65 var(--sans);overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{line-height:1.15;margin:0;font-weight:650;letter-spacing:-.02em}
p{margin:0 0 1rem}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:1rem;top:-4rem;background:var(--accent);color:var(--accent-ink);padding:.5rem .9rem;border-radius:6px;z-index:100}
.skip:focus{top:1rem}
.wrap{width:min(100% - 2.5rem,72rem);margin-inline:auto}
.narrow{max-width:46rem}
.muted{color:var(--muted)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(14,16,15,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;min-height:4rem;gap:1rem}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;font-weight:650;letter-spacing:-.01em}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:2.75rem;height:2.75rem;background:none;border:1px solid var(--line);border-radius:8px;color:var(--text);cursor:pointer}
.bars,.bars::before,.bars::after{display:block;width:18px;height:2px;background:currentColor;position:relative;transition:transform .2s,opacity .2s}
.bars::before,.bars::after{content:"";position:absolute;left:0}
.bars::before{top:-6px}.bars::after{top:6px}
.nav-toggle[aria-expanded="true"] .bars{background:transparent}
.nav-toggle[aria-expanded="true"] .bars::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .bars::after{transform:translateY(-6px) rotate(-45deg)}
.nav-menu{display:none;position:absolute;left:0;right:0;top:100%;background:var(--bg);border-bottom:1px solid var(--line);padding:1rem 1.25rem 1.5rem}
.nav-menu.is-open{display:block}
.nav-menu ul{display:grid;gap:.25rem;margin-bottom:1rem}
.nav-menu li a{display:block;padding:.6rem 0;text-decoration:none;color:var(--muted)}
.nav-menu li a:hover,.nav-menu li a[aria-current]{color:var(--text)}
.nav-menu li a[aria-current]{box-shadow:inset 2px 0 var(--accent);padding-left:.75rem}
.nav-actions{display:flex;flex-wrap:wrap;gap:.6rem}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:2.75rem;padding:.55rem 1.1rem;border-radius:8px;font-weight:600;font-size:.95rem;text-decoration:none;border:1px solid transparent;transition:background .15s,border-color .15s}
.btn-solid{background:var(--accent);color:var(--accent-ink)}
.btn-solid:hover{background:#c6ff5e}
.btn-ghost{border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--muted);background:var(--surface)}
.actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.75rem}

/* Hero */
.hero{padding:clamp(2.5rem,7vw,6rem) 0 clamp(2.5rem,6vw,5rem)}
.hero-grid{display:grid;gap:2.5rem;align-items:center}
.status{display:inline-flex;align-items:center;gap:.6rem;font:.8rem var(--mono);color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:.35rem .8rem;margin-bottom:1.5rem}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
h1{font-size:clamp(2.1rem,6.5vw,4rem);letter-spacing:-.035em;max-width:16ch}
.lede{font-size:clamp(1.02rem,2.2vw,1.2rem);color:var(--muted);max-width:38rem;margin-top:1.5rem}
.hero-visual{margin:0;border:1px solid var(--line);border-radius:12px;background:var(--surface);overflow:hidden}
.hero-visual figcaption{font:.72rem var(--mono);color:var(--muted);padding:.6rem .9rem;border-top:1px solid var(--line)}
.trace path{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 2.2s .3s ease-out forwards}
@keyframes draw{to{stroke-dashoffset:0}}

/* Sections */
.section{padding:clamp(3rem,8vw,6rem) 0;border-top:1px solid var(--line)}
.section.alt{background:var(--surface)}
.section h2{font-size:clamp(1.65rem,4.2vw,2.5rem);max-width:24ch;margin-bottom:1.5rem}
.narrow p{color:var(--muted);font-size:1.05rem}
.note{font:.85rem var(--mono);color:var(--muted);margin-bottom:2rem}

.principles,.caps,.platforms{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-top:2.5rem}
.principles li,.caps li,.platforms li{background:var(--bg);padding:1.5rem}
.alt .principles li{background:var(--surface)}
.section.alt .principles{margin-top:2rem}
h3{font-size:1.1rem;margin-bottom:.5rem}
.principles p,.caps p,.platforms p,.road p{color:var(--muted);margin:0}
.caps{margin-top:0}
.tag{display:inline-block;font:.72rem var(--mono);color:var(--accent);border:1px solid #3c4f1c;border-radius:4px;padding:.1rem .45rem;margin-bottom:.9rem}

/* Architecture */
.arch-grid{display:grid;gap:2.5rem;margin-top:2rem}
.flow li{position:relative;display:flex;flex-direction:column;gap:.15rem;padding:.9rem 1.1rem;border:1px solid var(--line);border-radius:8px;background:var(--bg)}
.flow li+li{margin-top:1.4rem}
.flow li+li::before{content:"";position:absolute;left:1.6rem;top:-1.4rem;height:1.4rem;border-left:1.5px solid var(--muted)}
.flow li+li::after{content:"";position:absolute;left:calc(1.6rem - 4px);top:-.35rem;border:4px solid transparent;border-top-color:var(--muted);border-bottom:0}
.flow span,.ai-layer span,.stack li{color:var(--muted);font-size:.9rem}
.flow strong,.ai-layer strong{font-weight:600}
.ai-layer{display:flex;flex-direction:column;gap:.2rem;margin-top:1.5rem;padding:.9rem 1.1rem;border:1px dashed var(--accent);border-radius:8px;background:#141a0c}
.stack{display:grid;gap:.25rem;align-content:start}
.stack li{padding:.8rem 0;border-bottom:1px solid var(--line);display:flex;flex-wrap:wrap;gap:.25rem .9rem}
.stack strong{color:var(--text);font-family:var(--mono);font-weight:500;font-size:.9rem;min-width:11rem}

/* Roadmap */
.road{display:grid;gap:0;margin-top:2rem;border-left:1px solid var(--line)}
.road li{display:grid;grid-template-columns:3.5rem 1fr;padding:0 0 2rem}
.road li:last-child{padding-bottom:0}
.n{font:.85rem var(--mono);color:var(--accent);position:relative;padding-left:1rem}
.n::before{content:"";position:absolute;left:-4px;top:.5rem;width:7px;height:7px;border-radius:50%;background:var(--accent)}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:2.5rem 0}
.foot{display:grid;gap:1.5rem}
.foot-brand{font-weight:650;margin:0 0 .25rem}
.foot ul{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;color:var(--muted);font-size:.9rem}
.foot a{text-decoration:none}
.foot a:hover{color:var(--text);text-decoration:underline}
.copy{font-size:.85rem;margin:0}

@media (min-width:40em){
  .principles,.caps{grid-template-columns:repeat(2,1fr)}
  .platforms{grid-template-columns:repeat(3,1fr)}
}
@media (min-width:62em){
  .nav-toggle{display:none}
  .nav-menu{display:flex;position:static;background:none;border:0;padding:0;align-items:center;gap:2rem}
  .nav-menu ul{display:flex;gap:1.5rem;margin:0}
  .nav-menu li a{padding:.4rem 0;font-size:.92rem}
  .nav-menu li a[aria-current]{box-shadow:none;padding-left:0;border-bottom:1px solid var(--accent)}
  .hero-grid{grid-template-columns:1.05fr 1fr}
  .arch-grid{grid-template-columns:1fr 1fr}
  .caps{grid-template-columns:repeat(3,1fr)}
  .principles{grid-template-columns:repeat(4,1fr)}
  .foot{grid-template-columns:1.2fr 1.5fr auto;align-items:start}
}
@media (max-width:22em){
  .wrap{width:calc(100% - 2rem)}
  .stack strong{min-width:0}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .trace path{stroke-dashoffset:0}
}