:root{
  --bg:#0b1014;
  --bg-soft:#111922;
  --panel:rgba(14,20,28,.82);
  --text:#f4f5f7;
  --muted:#9cadbd;
  --line:rgba(255,255,255,.1);
  --accent:#ff7a24;
  --accent-2:#2cf2d3;
  --shadow:0 30px 90px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Space Grotesk",system-ui,sans-serif;
  background:#091017;
  color:var(--text);
  min-height:100vh;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
button{font:inherit}
.grain,.gradient{position:fixed;inset:0;pointer-events:none}
.grain{opacity:.06;background-image:radial-gradient(#fff 0.45px,transparent 0.45px);background-size:4px 4px}
.gradient-a{background:radial-gradient(circle at 12% 12%,rgba(255,122,36,.22),transparent 28%)}
.gradient-b{background:radial-gradient(circle at 82% 24%,rgba(44,242,211,.17),transparent 26%)}
.topbar{
  position:sticky;top:0;z-index:20;
  display:flex;justify-content:space-between;align-items:center;
  padding:18px 5vw;
  backdrop-filter:blur(18px);
  background:rgba(8,12,18,.68);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;gap:12px;align-items:center}
.brand-mark{
  width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),#ffb067);
  color:#0c0f13;font-weight:700
}
.brand-copy{display:grid}
.brand-copy strong{font-size:15px}
.brand-copy small{font-size:11px;color:var(--muted);letter-spacing:.14em;text-transform:uppercase}
nav{display:flex;gap:18px;align-items:center}
nav a{color:var(--muted);font-size:14px}
nav a:hover{color:var(--text)}
.nav-cta{
  padding:11px 14px;border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text)
}
main{width:min(1180px,92vw);margin:0 auto;padding:34px 0 120px}
.hero{
  display:grid;grid-template-columns:1.15fr .85fr;gap:22px;
  padding:7vh 0 4vh
}
.eyebrow{
  margin:0 0 10px;
  font:600 11px/1 "IBM Plex Mono",monospace;
  letter-spacing:.24em;text-transform:uppercase;color:var(--accent-2)
}
h1,h2,h3{margin:0}
h1{font-size:clamp(3rem,7vw,6.4rem);line-height:.93;letter-spacing:-.05em;max-width:11ch}
h2{font-size:clamp(2rem,4vw,3.4rem);line-height:1}
h3{font-size:1.2rem}
.lede{
  margin:18px 0 0;max-width:58ch;
  font-size:1.15rem;line-height:1.65;color:var(--muted)
}
.hero-actions,.prompt-row{display:flex;gap:12px;flex-wrap:wrap}
.hero-actions{margin-top:24px}
.cta{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 18px;border-radius:999px;border:1px solid var(--line);
  cursor:pointer
}
.cta.primary{
  background:linear-gradient(135deg,var(--accent),#ffb067);
  color:#0f1317;border:0;font-weight:700;box-shadow:0 20px 50px rgba(255,122,36,.28)
}
.cta.secondary{background:rgba(255,255,255,.04);color:var(--text)}
.prompt-row{margin-top:18px;align-items:center;color:var(--muted)}
.prompt-chip{
  padding:10px 12px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text);cursor:pointer
}
.hero-panel,.card,.banner,.voice-drawer,.faq-list details{
  background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow)
}
.hero-panel{
  border-radius:28px;padding:24px;display:grid;gap:14px;align-content:start
}
.metric{
  padding:14px 16px;border-radius:18px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06)
}
.metric strong{display:block;font-size:1.1rem;margin-bottom:4px}
.metric span{color:var(--muted);font-size:.95rem}
.section{padding:36px 0}
.split{display:grid;grid-template-columns:.8fr 1.2fr;gap:18px;align-items:start}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.cards.two-up{grid-template-columns:repeat(2,1fr)}
.card{
  border-radius:24px;padding:22px;
}
.card p,.card li{color:var(--muted);line-height:1.65}
.card ul{margin:14px 0 0;padding-left:18px}
.section-head{display:grid;gap:10px;margin-bottom:18px}
.diagram{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr)) auto auto auto;gap:10px;align-items:center;
  margin-bottom:18px
}
.node{
  padding:18px;border-radius:20px;border:1px solid var(--line);background:rgba(255,255,255,.03);text-align:center
}
.node.accent{background:rgba(255,122,36,.12);border-color:rgba(255,122,36,.35)}
.arrow{text-align:center;color:var(--accent-2);font-size:1.4rem}
.banner{
  border-radius:30px;padding:28px;
  display:flex;justify-content:space-between;gap:18px;align-items:center
}
.faq-list{display:grid;gap:12px}
.faq-list details{border-radius:18px;padding:18px 20px}
.faq-list summary{cursor:pointer;font-weight:700}
.faq-list p{margin:12px 0 0;color:var(--muted);line-height:1.65}
.voice-fab{
  position:fixed;right:18px;bottom:18px;z-index:40;
  min-height:54px;padding:0 18px;border-radius:999px;border:0;
  background:linear-gradient(135deg,var(--accent),#ffb067);color:#101418;font-weight:700;box-shadow:0 18px 50px rgba(255,122,36,.35);cursor:pointer
}
.voice-drawer{
  position:fixed;right:18px;bottom:86px;width:min(460px,94vw);height:min(78vh,720px);
  border-radius:26px;z-index:45;display:none;grid-template-rows:auto 1fr
}
.voice-drawer.open{display:grid}
.voice-drawer header{
  display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)
}
.voice-drawer header small{display:block;color:var(--muted);margin-top:4px}
.voice-drawer header button{
  width:38px;height:38px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text);cursor:pointer
}
.voice-body{padding:18px;display:grid;grid-template-rows:auto 1fr;gap:14px;min-height:0}
.voice-copy{margin:0;color:var(--muted);line-height:1.6}
.voice-frame-wrap{
  min-height:0;height:100%;border-radius:18px;overflow:hidden;border:1px solid var(--line);background:#f0eadc
}
#voiceFrame{width:100%;height:100%;border:0}
@media (max-width:980px){
  .hero,.split,.cards,.cards.two-up,.banner,.diagram{grid-template-columns:1fr}
  nav{display:none}
  .banner{align-items:flex-start}
}