:root{
  --bg:#0a0908; --bg2:#12100d; --ink:#f5efe6; --dim:#a89e8d;
  --amber:#f5a623; --amber2:#ffcf6e; --ember:#e4572e;
  --card:#161310; --line:#2a251e;
}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;line-height:1.6;overflow-x:hidden}
.grain{position:fixed;inset:0;pointer-events:none;opacity:.05;z-index:50;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='0.9'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");}
.kicker{color:var(--amber);letter-spacing:.35em;font-size:.72rem;font-weight:700;margin-bottom:1rem}
h1{font-size:clamp(2.6rem,6vw,4.6rem);line-height:1.05;font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(1.8rem,3.5vw,2.6rem);font-weight:750;margin-bottom:.6rem;letter-spacing:-.01em}
.amber{color:var(--amber)}
.per{font-size:1.2rem;color:var(--dim);font-weight:400}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;align-items:center;justify-content:space-between;
  padding:1rem 2rem;background:rgba(10,9,8,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand{font-weight:800;letter-spacing:.12em;font-size:.95rem}
.brand-mark{color:var(--amber);margin-right:.4rem}
.brand .ai{color:var(--amber)}
.nav nav{display:flex;gap:1.6rem}
.nav nav a{color:var(--dim);text-decoration:none;font-size:.9rem;letter-spacing:.04em}
.nav nav a:hover{color:var(--ink)}

/* buttons */
.btn{display:inline-block;background:var(--amber);color:#14100a;font-weight:700;padding:.85rem 1.7rem;
  border-radius:999px;text-decoration:none;border:none;cursor:pointer;font-size:.95rem;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(245,166,35,.35)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{box-shadow:none;border-color:var(--amber)}
.btn-small{padding:.55rem 1.1rem;font-size:.85rem}

/* hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:7rem 2rem 3rem;overflow:hidden}
#flightpath{position:absolute;inset:0;width:100%;height:100%}
.hero-inner{position:relative;max-width:900px;z-index:2}
.hero .sub{color:var(--dim);font-size:1.15rem;max-width:640px;margin:1.4rem 0 2rem}
.cta-row{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:3rem}
.hud-strip{display:flex;gap:2.5rem;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:1.5rem}
.hud-item{display:flex;flex-direction:column;gap:.2rem}
.hud-label{font-size:.68rem;letter-spacing:.25em;color:var(--dim)}
.hud-val{font-size:1.5rem;font-weight:800;color:var(--amber2);font-variant-numeric:tabular-nums}

/* sections */
.section{padding:6rem 2rem;max-width:1200px;margin:0 auto}
.section-sub{color:var(--dim);margin-bottom:2.5rem}

/* steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-top:2.5rem}
.step{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:1.6rem;transition:border-color .2s}
.step:hover{border-color:var(--amber)}
.step-num{color:var(--amber);font-weight:800;font-size:.85rem;letter-spacing:.2em;margin-bottom:.7rem}
.step h3{margin-bottom:.5rem;font-size:1.05rem}
.step p{color:var(--dim);font-size:.92rem}

/* demo */
.demo-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:1.5rem}
@media(max-width:900px){.demo-grid{grid-template-columns:1fr}}
.footage{position:relative;background:#000;border:1px solid var(--line);border-radius:16px;overflow:hidden;min-height:420px}
#footage{width:100%;height:420px;display:block}
.telemetry{position:absolute;top:0;left:0;right:0;display:flex;gap:1.4rem;padding:.8rem 1.1rem;
  font-family:ui-monospace,Menlo,monospace;font-size:.78rem;color:#7df9a8;background:linear-gradient(rgba(0,0,0,.65),transparent)}
.telemetry b{color:#d6ffe2}
.rec{color:#ff5d5d;margin-left:auto;animation:blink 1.2s infinite}
@keyframes blink{50%{opacity:.25}}
#tags{position:absolute;inset:0;pointer-events:none}
.tag{position:absolute;background:rgba(10,9,8,.85);border:1px solid var(--amber);color:var(--amber2);
  font-size:.72rem;font-weight:700;padding:.3rem .6rem;border-radius:6px;letter-spacing:.05em;
  animation:tagin .4s ease-out}
@keyframes tagin{from{transform:scale(.7);opacity:0}}
#play-btn{position:absolute;bottom:1.2rem;left:50%;transform:translateX(-50%)}
.vision-log{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:1.5rem}
.vision-log h3{font-size:.8rem;letter-spacing:.3em;color:var(--amber);margin-bottom:1rem}
.vision-log ul{list-style:none;display:flex;flex-direction:column;gap:.7rem;max-height:380px;overflow:hidden}
.vision-log li{font-family:ui-monospace,Menlo,monospace;font-size:.8rem;color:var(--dim);
  border-left:2px solid var(--line);padding-left:.8rem;opacity:0;animation:login .4s forwards}
.vision-log li b{color:#7df9a8}
@keyframes login{to{opacity:1}}

/* sequence */
.seq{display:flex;flex-direction:column;gap:.7rem;margin:2rem 0 3rem}
.shot{position:relative;background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:1.1rem 1.3rem;overflow:hidden;display:grid;grid-template-columns:1fr auto;gap:.2rem .8rem}
.shot-bar{position:absolute;left:0;top:0;bottom:0;width:var(--w);background:linear-gradient(90deg,rgba(245,166,35,.22),rgba(245,166,35,.05));border-right:2px solid var(--amber)}
.shot h4{font-size:1rem;position:relative}
.shot p{color:var(--dim);font-size:.88rem;grid-column:1;position:relative}
.shot span{grid-row:1/3;grid-column:2;align-self:center;font-family:ui-monospace,monospace;color:var(--amber2);position:relative}
.voice-row{display:grid;grid-template-columns:1fr auto;gap:2rem;align-items:center;background:var(--card);
  border:1px solid var(--line);border-radius:16px;padding:1.8rem}
.voice-row h3{margin-bottom:.5rem}
#voice-text{color:var(--dim);font-style:italic}
.lang-pills{display:flex;gap:.5rem}
.pill{background:transparent;border:1px solid var(--line);color:var(--dim);border-radius:999px;
  padding:.5rem .95rem;cursor:pointer;font-weight:700;font-size:.85rem}
.pill.active{background:var(--amber);color:#14100a;border-color:var(--amber)}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem;margin-top:2.5rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:1.8rem}
.card.featured{border-color:var(--amber);box-shadow:0 0 40px rgba(245,166,35,.12)}
.card h3{margin-bottom:.9rem}
.card ul{list-style:none;color:var(--dim);display:flex;flex-direction:column;gap:.5rem}
.card li::before{content:"▸ ";color:var(--amber)}
.price{font-size:2.2rem;font-weight:800;color:var(--amber2);margin:.4rem 0 1rem}
.price span{font-size:1rem;color:var(--dim);font-weight:400}

/* apis */
.apis{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin-top:2.5rem}
.api{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1.3rem;display:flex;flex-direction:column;gap:.3rem}
.api b{color:var(--amber2)}
.api span{color:var(--dim);font-size:.85rem}

footer{border-top:1px solid var(--line);padding:2.5rem 2rem;text-align:center;color:var(--dim);font-size:.88rem}