:root{
  --ground:#0B1220; --surface:#131C2E; --surface-2:#1A2436; --ink:#EAF0F8;
  --muted:#93A1B8; --line:rgba(255,255,255,.10); --accent:#FBBF24; --accent-ink:#0B1220;
  --green:#28C76F; --red:#EA5455; --blue:#3E7DFF;
  --maxw:1120px; --sans:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
}
@media (prefers-color-scheme:light){
  :root{ --ground:#EEF1F6; --surface:#FFFFFF; --surface-2:#F4F6FA; --ink:#0F1929; --muted:#5B6879; --line:rgba(15,25,41,.12); }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
a{color:inherit}
h1,h2,h3{letter-spacing:-.02em;text-wrap:balance;margin:0}
img{max-width:100%;display:block}

/* nav */
nav{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--ground) 82%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.navin{max-width:var(--maxw);margin:0 auto;padding:12px 24px;display:flex;align-items:center;gap:12px}
.mark{width:34px;height:34px;border-radius:10px;flex:none;box-shadow:0 3px 10px rgba(0,0,0,.35)}
.logo{font-weight:800;font-size:18px}
.logo span{color:var(--accent)}
.navlinks{margin-left:auto;display:flex;gap:22px;align-items:center}
.navlinks a{color:var(--muted);text-decoration:none;font-size:14.5px;font-weight:500}
.navlinks a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:14.5px;border-radius:999px;padding:10px 18px;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .1s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent)}
#mv-lang{display:inline-flex;gap:2px;margin-left:6px}
#mv-lang button{background:transparent;border:1px solid var(--line);color:var(--muted);border-radius:8px;padding:5px 8px;font-size:12px;font-weight:700;cursor:pointer}
#mv-lang button:hover{color:var(--ink)}
.navtoggle{display:none;margin-left:auto;background:none;border:0;color:var(--ink);font-size:24px;line-height:1;cursor:pointer;padding:4px 10px;border-radius:8px}
@media(max-width:760px){
  .navtoggle{display:inline-flex}
  .navlinks{display:none;position:absolute;top:100%;left:0;right:0;margin:0;flex-direction:column;align-items:stretch;gap:0;background:var(--surface);border-bottom:1px solid var(--line);padding:8px 24px 16px;box-shadow:0 18px 40px -24px rgba(0,0,0,.5)}
  nav.open .navlinks{display:flex}
  nav.open .navlinks a.hidesm{display:block;padding:13px 0;font-size:16px;border-bottom:1px solid var(--line)}
  .navlinks a.hidesm{display:none}
  .navlinks .btn-primary{margin-top:12px;text-align:center}
  #mv-lang{margin-top:12px;justify-content:center}
}

/* hero */
.hero{position:relative;overflow:hidden;background-color:#080D18;
  background-image:linear-gradient(180deg,rgba(8,13,24,.72),rgba(8,13,24,.9) 70%,rgba(8,13,24,.99)),url('/assets/photos/action.jpg');
  background-size:cover;background-position:center 30%}
.hero-in{position:relative;z-index:2;padding:60px 0 52px}
.glow{position:absolute;inset:0;pointer-events:none;background:radial-gradient(46% 42% at 50% -8%,rgba(251,191,36,.22),transparent 62%),radial-gradient(42% 40% at 82% 24%,rgba(56,132,255,.14),transparent 60%)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);font-weight:800;margin:0 0 14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.hero h1{font-size:clamp(34px,5.6vw,60px);font-weight:800;line-height:1.02;color:#EAF0F8}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .sub{color:#B9C6DA;font-size:clamp(16px,2.2vw,20px);margin:18px 0 0;max-width:46ch}
.hero .meta{margin-top:22px;display:flex;gap:10px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.06);border:1px solid var(--line);color:#D7E0EE;border-radius:999px;padding:7px 13px;font-size:13px;font-weight:600}

/* index of steps */
.toc{padding:40px 0 6px}
.toc h2{font-size:14px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin-bottom:16px}
.toc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.toc-grid a{display:flex;gap:12px;align-items:center;text-decoration:none;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 16px;transition:border-color .15s,transform .1s}
.toc-grid a:hover{border-color:var(--accent);transform:translateY(-1px)}
.toc-grid .n{flex:none;width:30px;height:30px;border-radius:9px;background:var(--surface-2);color:var(--accent);font-weight:800;display:flex;align-items:center;justify-content:center;font-size:14px}
.toc-grid .t{font-weight:700;font-size:14.5px;color:var(--ink)}

/* steps */
section{padding:46px 0}
.step{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.step.rev .txt{order:2}
.step.rev .shot{order:1}
.step + .step{margin-top:18px}
.kick{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.kick .num{width:26px;height:26px;border-radius:8px;background:var(--accent);color:var(--accent-ink);display:flex;align-items:center;justify-content:center;font-size:13px}
.step h2{font-size:clamp(24px,3.2vw,32px);font-weight:800;margin-bottom:12px}
.step p{color:#C4D0E0;font-size:16.5px;margin:0 0 12px}
.step .muted{color:var(--muted);font-size:15px}
ul.ticks{list-style:none;padding:0;margin:14px 0 0}
ul.ticks li{position:relative;padding-left:28px;margin:9px 0;color:#C4D0E0}
ul.ticks li::before{content:"";position:absolute;left:0;top:9px;width:14px;height:8px;border-left:2.5px solid var(--accent);border-bottom:2.5px solid var(--accent);transform:rotate(-45deg)}

/* phone screenshot frame */
.shot{display:flex;justify-content:center}
.phone{width:min(300px,78%);border:8px solid #0d1626;border-radius:34px;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.5),0 0 0 1px var(--line);background:#0d1626}
.phone img{width:100%;display:block}

/* voice command pills + table */
.pill{display:inline-block;background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:3px 10px;font-weight:700;color:var(--ink);font-size:14.5px;white-space:nowrap}
.pill b{color:var(--accent)}
.legend{display:flex;gap:18px;flex-wrap:wrap;margin:6px 0 2px}
.legend span{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:14.5px;color:#C4D0E0}
.dot{width:13px;height:13px;border-radius:50%}
.dot.g{background:var(--green)} .dot.r{background:var(--red)} .dot.b{background:var(--blue)}

.cmdwrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;margin-top:8px}
table.cmd{width:100%;border-collapse:collapse;min-width:520px;background:var(--surface)}
table.cmd th,table.cmd td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);font-size:15px}
table.cmd th{background:var(--surface-2);color:var(--muted);font-size:12.5px;text-transform:uppercase;letter-spacing:.08em}
table.cmd td:first-child{white-space:nowrap}
table.cmd tr:last-child td{border-bottom:none}
table.cmd code{background:var(--surface-2);border:1px solid var(--line);border-radius:6px;padding:2px 8px;font-weight:700;color:var(--accent);font-family:inherit}

.callout{background:linear-gradient(180deg,rgba(251,191,36,.10),rgba(251,191,36,.04));border:1px solid rgba(251,191,36,.35);border-radius:16px;padding:18px 20px;margin-top:20px}
.callout b{color:var(--accent)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.quad{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;max-width:300px;margin-top:6px}
.quad div{aspect-ratio:1.5;border:1px solid var(--line);border-radius:8px;background:var(--surface);display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:12px;color:var(--muted);position:relative}
.quad div b{position:absolute;top:4px;left:7px;color:var(--accent);font-size:12px}

/* divider band */
.band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* cta + footer */
.cta{text-align:center;background:linear-gradient(180deg,var(--surface),var(--surface-2));border:1px solid var(--line);border-radius:22px;padding:44px 24px}
.cta h2{font-size:clamp(26px,3.6vw,36px);font-weight:800}
.cta p{color:var(--muted);margin:12px 0 22px}
.row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
footer{border-top:1px solid var(--line);margin-top:20px}
.foot{display:flex;gap:16px;flex-wrap:wrap;align-items:center;padding:26px 24px;color:var(--muted);font-size:14px}
.foot .push{margin-left:auto;display:flex;gap:16px;flex-wrap:wrap}
.foot a{color:var(--muted);text-decoration:none}
.foot a:hover{color:var(--ink)}

@media(max-width:820px){
  .step{grid-template-columns:1fr;gap:24px}
  .step.rev .txt{order:1}.step.rev .shot{order:2}
  .grid2{grid-template-columns:1fr}
  .phone{width:min(280px,72%)}
}