:root{
  --bg:#0d0f14;
  --bg-2:#12151d;
  --ink:#f2f4f8;
  --ink-70:rgba(242,244,248,.7);
  --ink-45:rgba(242,244,248,.45);
  --cyan:#25E4D1;
  --cyan-dim:rgba(37,228,209,.14);
  --amber:#f2b04a;
  --proto:#6f9dff;
  --line:rgba(242,244,248,.09);
  --font-display:'Unbounded',sans-serif;
  --font-body:'JetBrains Mono',monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);
  font-family:var(--font-body);font-weight:300;font-size:15px;line-height:1.6;
  overflow-x:hidden;
}
::selection{background:var(--cyan);color:#062622}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
#dust{position:fixed;inset:0;z-index:0;pointer-events:none}
.wrap{position:relative;z-index:1;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- header ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:10;
  backdrop-filter:blur(12.5px);
  -webkit-backdrop-filter:blur(12.5px);
  background:linear-gradient(rgba(13,15,20,.85),rgba(13,15,20,.4));
  mask-image:linear-gradient(#000 70%,transparent);
  -webkit-mask-image:linear-gradient(#000 70%,transparent);
}
.nav{max-width:1200px;margin:0 auto;padding:18px 32px;display:flex;align-items:center;gap:28px}
.brand{font-family:var(--font-display);font-weight:700;font-size:17px;letter-spacing:.14em;color:var(--ink);text-transform:uppercase}
.brand:hover{text-decoration:none;color:var(--cyan)}
.nav-links{display:flex;gap:22px;margin-left:auto;align-items:center}
.nav-links a{color:var(--ink-70);font-size:13px;letter-spacing:.06em;text-transform:uppercase}
.nav-links a:hover{color:var(--ink);text-decoration:none}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.lang a{
  color:var(--ink-45);font-family:var(--font-body);
  font-size:12px;padding:5px 12px;letter-spacing:.08em;
}
.lang a.on{background:var(--cyan-dim);color:var(--cyan)}
.lang a:hover{text-decoration:none;color:var(--ink)}

/* ---------- hero ---------- */
.hero{padding:170px 0 40px;position:relative}
.tag{
  display:inline-block;font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--cyan);border:1px solid rgba(37,228,209,.35);border-radius:999px;
  padding:6px 16px;margin-bottom:34px;background:var(--cyan-dim);
}
h1{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(34px,5.4vw,64px);line-height:1.08;letter-spacing:-.01em;
  max-width:14em;
}
h1 .glow{color:var(--cyan)}
.slogan{
  margin-top:26px;font-style:italic;font-weight:300;
  font-size:clamp(15px,1.6vw,19px);color:var(--ink-70);max-width:34em;
}
.cta-row{display:flex;gap:16px;margin-top:44px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-body);font-weight:600;font-size:14px;letter-spacing:.04em;
  padding:14px 26px;border-radius:10px;cursor:pointer;border:1px solid transparent;
  transition:transform .15s ease,border-color .3s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--ink);color:#0d0f14}
.btn-ghost{border-color:var(--line);color:var(--ink-70)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn .arrow{font-family:var(--font-body)}
.dl-note{margin-top:14px;font-size:12.5px;color:var(--ink-45);letter-spacing:.03em}

/* ---------- screenshot frame ---------- */
.shot{margin:70px 0 30px;position:relative}
.shot-frame{
  border-radius:18px;padding:3px;
  background:linear-gradient(135deg,var(--cyan),rgba(37,228,209,.05) 45%,rgba(111,157,255,.35));
  box-shadow:0 40px 120px rgba(37,228,209,.12),0 10px 40px rgba(0,0,0,.5);
}
.shot-frame img{display:block;width:100%;border-radius:15px}
.shot-cap{margin-top:14px;font-size:12.5px;color:var(--ink-45);letter-spacing:.04em}

/* ---------- sections ---------- */
section{padding:90px 0}
.sec-label{
  font-size:12px;letter-spacing:.3em;text-transform:uppercase;color:var(--cyan);
  margin-bottom:22px;
}
h2{
  font-family:var(--font-display);font-weight:500;
  font-size:clamp(24px,3.2vw,38px);line-height:1.15;max-width:20em;
}
.sec-body{margin-top:22px;color:var(--ink-70);max-width:44em}

/* context colors demo */
.ctx-demo{margin-top:44px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2px;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.ctx{padding:26px 24px;background:var(--bg-2)}
.ctx .dot{width:10px;height:10px;border-radius:50%;margin-bottom:16px}
.ctx h3{font-family:var(--font-body);font-weight:600;font-size:14px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px}
.ctx p{font-size:13px;color:var(--ink-70)}
.ctx-scene .dot{background:var(--cyan);box-shadow:0 0 14px var(--cyan)}
.ctx-scene h3{color:var(--cyan)}
.ctx-prefab .dot{background:var(--amber);box-shadow:0 0 14px var(--amber)}
.ctx-prefab h3{color:var(--amber)}
.ctx-proto .dot{background:var(--proto);box-shadow:0 0 14px var(--proto)}
.ctx-proto h3{color:var(--proto)}

/* honesty list */
.honest{margin-top:44px;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:34px}
.honest .item{border-top:1px solid var(--line);padding-top:18px}
.honest .num{font-size:12px;color:var(--cyan);letter-spacing:.2em;margin-bottom:10px}
.honest h3{font-weight:600;font-size:15px;margin-bottom:8px}
.honest p{font-size:13px;color:var(--ink-70)}

/* terminal */
.term{
  margin-top:44px;background:#0a0c11;border:1px solid var(--line);border-radius:12px;
  padding:24px 26px;font-size:13.5px;line-height:1.9;overflow-x:auto;
}
.term .p{color:var(--ink-45)}
.term .ok{color:var(--cyan)}
.term .cmd{color:var(--ink)}
.term .cm{color:var(--ink-45);font-style:italic}

/* roadmap */
.road{margin-top:44px;border-top:1px solid var(--line)}
.road .row{display:flex;gap:26px;padding:20px 4px;border-bottom:1px solid var(--line);align-items:baseline}
.road .v{font-weight:600;font-size:13px;letter-spacing:.1em;color:var(--cyan);min-width:74px}
.road .st{font-size:11px;letter-spacing:.14em;text-transform:uppercase;padding:3px 10px;border-radius:999px;border:1px solid var(--line);color:var(--ink-45);min-width:86px;text-align:center}
.road .st.done{color:var(--cyan);border-color:rgba(37,228,209,.4)}
.road .st.now{color:var(--amber);border-color:rgba(242,176,74,.4)}
.road p{flex:1;color:var(--ink-70);font-size:13.5px}

/* screencast placeholder */
.cast{
  margin-top:44px;border:1px dashed rgba(37,228,209,.3);border-radius:14px;
  aspect-ratio:16/9;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:radial-gradient(ellipse at center,rgba(37,228,209,.05),transparent 70%);
}
.cast .ring{
  width:64px;height:64px;border-radius:50%;border:1px solid var(--cyan);
  display:flex;align-items:center;justify-content:center;
}
.cast .ring::after{content:"";border-left:14px solid var(--cyan);border-top:9px solid transparent;border-bottom:9px solid transparent;margin-left:4px}
.cast span{font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-45)}

/* footer */
footer{border-top:1px solid var(--line);padding:60px 0 70px;margin-top:40px}
.foot-grid{display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between;align-items:flex-end}
.foot-brand{font-family:var(--font-display);font-weight:300;font-size:30px;letter-spacing:.1em}
.foot-brand em{display:block;font-family:var(--font-body);font-style:italic;font-size:13px;color:var(--ink-45);margin-top:10px;letter-spacing:0}
.foot-links{display:flex;gap:24px;font-size:13px}
.foot-links a{color:var(--ink-70);text-transform:uppercase;letter-spacing:.08em;font-size:12px}
.fine{margin-top:34px;font-size:11.5px;color:var(--ink-45)}

@media (max-width:760px){
  .nav{padding:14px 20px}
  .wrap{padding:0 20px}
  .hero{padding-top:130px}
  .nav-links > a:not(.keep){display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .btn:hover{transform:none}
}