:root{
  --bg:#f9f9f7;--surface:#fff;--ink:#0b0b0b;--ink2:#47463f;--ink3:#7a786f;--line:rgba(11,11,11,.1);
  --accent:#2a78d6;--accent2:#e8683a;--good:#0ca30c;--warn:#fab219;--glow:rgba(42,120,214,.18);
  --term:#0d0d0d;--termink:#e8e7e3;
  --font:system-ui,-apple-system,"Segoe UI",sans-serif;--mono:ui-monospace,"SF Mono",Menlo,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0d0d0d;--surface:#1a1a19;--ink:#f0efec;--ink2:#c3c2b7;--ink3:#898781;--line:rgba(255,255,255,.1);
  --accent:#3987e5;--glow:rgba(57,135,229,.22);--term:#050505;
}}
:root[data-theme="dark"]{
  --bg:#0d0d0d;--surface:#1a1a19;--ink:#f0efec;--ink2:#c3c2b7;--ink3:#898781;--line:rgba(255,255,255,.1);
  --accent:#3987e5;--glow:rgba(57,135,229,.22);--term:#050505;
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;overflow-x:clip}
body{background:var(--bg);color:var(--ink);font:17px/1.6 var(--font);overflow-x:hidden}
a{color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
code,.mono{font-family:var(--mono)}
h1,h2,h3{line-height:1.1;letter-spacing:-.02em}
h2{font-size:clamp(30px,4.5vw,48px);margin-bottom:14px}
.lead{color:var(--ink2);font-size:19px;max-width:640px}
.eyebrow{font:600 13px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
section{padding:96px 0;position:relative}

/* nav */
nav.top{position:sticky;top:0;z-index:20;backdrop-filter:blur(14px);background:color-mix(in srgb,var(--bg) 78%,transparent);border-bottom:1px solid var(--line)}
nav.top .wrap{display:flex;align-items:center;gap:22px;height:60px}
.logo{font:700 18px var(--mono);text-decoration:none;display:flex;align-items:center;gap:8px}
.logo i{display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:#0d0d0d;color:#3987e5;font-style:normal;font-size:13px}
nav.top .links{margin-left:auto;display:flex;align-items:center;gap:22px;line-height:1;font-size:15px;color:var(--ink2)}
nav.top .links a{text-decoration:none;display:inline-flex;align-items:center;gap:6px}
nav.top .links a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:12px;font-weight:600;text-decoration:none;border:1px solid var(--line);background:var(--surface);transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px var(--glow)}
.btn.primary{background:var(--accent);border-color:transparent;color:#fff}
.btn.small{padding:8px 16px;font-size:14px}
@media(max-width:700px){nav.top .links a:not(.btn):not(.gh){display:none}nav.top .links{margin-left:auto}}

/* hero */
.hero{padding:70px 0 40px;overflow:hidden;position:relative}
.hero::before{content:"";position:absolute;inset:-200px -10% auto;height:700px;background:radial-gradient(600px 300px at 25% 40%,var(--glow),transparent 70%),radial-gradient(500px 300px at 80% 20%,rgba(232,104,58,.14),transparent 70%);z-index:0;pointer-events:none;animation:drift 14s ease-in-out infinite alternate}
@keyframes drift{to{transform:translateX(40px) translateY(20px)}}
.badge{display:inline-flex;gap:8px;align-items:center;padding:6px 14px;border:1px solid var(--line);border-radius:99px;font-size:14px;background:var(--surface);margin-bottom:26px}
.badge b{color:var(--good)}
.hero .wrap{position:relative;z-index:1}
.hero h1{font-size:clamp(42px,7.5vw,84px);max-width:900px}
.grad{background:linear-gradient(100deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{margin:24px 0 32px;font-size:21px}
.cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cta small{color:var(--ink3)}
.stage{margin-top:64px;display:grid;grid-template-columns:1.05fr 1fr;gap:28px;align-items:center}
@media(max-width:900px){.stage{grid-template-columns:1fr}}

/* terminal */
.term{background:var(--term);color:var(--termink);border-radius:16px;border:1px solid rgba(255,255,255,.1);box-shadow:0 30px 80px rgba(0,0,0,.28);overflow:hidden;font:14px/1.7 var(--mono)}
.term .bar{display:flex;gap:7px;padding:12px 14px;background:rgba(255,255,255,.05)}
.term .bar i{width:11px;height:11px;border-radius:50%;background:#ff5f57}
.term .bar i:nth-child(2){background:#febc2e}.term .bar i:nth-child(3){background:#28c840}
.term pre{padding:18px 20px;height:330px;overflow:hidden;white-space:pre-wrap;font:inherit}
.term .p{color:#3987e5}.term .ok{color:#3ecf3e}.term .dim{color:#898781}.term .w{color:#fab219}
.caret{display:inline-block;width:8px;height:16px;background:#e8e7e3;vertical-align:-3px;animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}

/* hero shot */
.shotwrap{position:relative;perspective:1400px}
.shot{height:auto;border-radius:14px;border:1px solid var(--line);box-shadow:0 40px 90px rgba(0,0,0,.28);width:100%;display:block;background:var(--surface)}
.tilt{transform:rotateY(-7deg) rotateX(3deg);transition:transform .5s}
.shotwrap:hover .tilt{transform:none}
.float{position:absolute;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:10px 14px;font-size:14px;box-shadow:0 18px 40px rgba(0,0,0,.2);display:flex;gap:10px;align-items:center;animation:bob 5s ease-in-out infinite}
.float.a{left:-18px;bottom:40px}.float.b{right:-10px;top:30px;animation-delay:-2.5s}
@keyframes bob{50%{transform:translateY(-10px)}}
.dot{width:10px;height:10px;border-radius:50%;background:var(--warn);box-shadow:0 0 0 0 var(--warn);animation:pulse 2s infinite}
.dot.g{background:var(--good);box-shadow:0 0 0 0 var(--good)}
@keyframes pulse{70%{box-shadow:0 0 0 10px transparent}}

/* how it works */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:48px;position:relative}
.flow::before{content:"";position:absolute;left:8%;right:8%;top:34px;height:2px;background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 16px)}
.flow::after{content:"";position:absolute;left:8%;top:30px;width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 18px var(--accent);animation:travel 6s linear infinite}
@keyframes travel{from{left:8%}to{left:92%}}
.step{position:relative;text-align:center;padding:0 6px}
.step .n{width:68px;height:68px;margin:0 auto 16px;border-radius:20px;background:var(--surface);border:1px solid var(--line);display:grid;place-items:center;font-size:30px;position:relative;z-index:1;transition:transform .3s}
.step:hover .n{transform:translateY(-6px) rotate(-4deg)}
.step h3{font-size:19px;margin-bottom:6px}
.step p{color:var(--ink2);font-size:15px}
.step code{font-size:12.5px;background:var(--surface);border:1px solid var(--line);padding:2px 7px;border-radius:6px}
@media(max-width:800px){.flow{grid-template-columns:1fr 1fr;row-gap:36px}.flow::before,.flow::after{display:none}}

/* diagram */
.diagram{margin-top:56px;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:34px 20px;display:grid;grid-template-columns:1fr 1.1fr 1fr;gap:12px;align-items:center;text-align:center}
.node{border:1px solid var(--line);border-radius:16px;padding:18px 12px;background:var(--bg)}
.node b{display:block;font-size:18px}.node span{color:var(--ink3);font-size:14px}
.node .emo{font-size:34px;display:grid;place-items:center;height:92px}.gfx{display:block;width:40px;height:40px}.led circle{animation:pulse2 2.4s ease-in-out infinite}.led circle:nth-child(2){animation-delay:-.8s}.led circle:nth-child(3){animation-delay:-1.6s}@keyframes pulse2{50%{opacity:.3}}.spark{animation:spin 24s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.mini{display:flex;flex-direction:column;gap:8px;align-items:stretch}
.mini div{font:13px var(--mono);border:1px solid var(--line);border-radius:10px;padding:7px 10px;background:var(--bg);display:flex;justify-content:space-between;gap:10px}
.mini em{font-style:normal;color:var(--ink3)}
.pipe{position:absolute}
@media(max-width:800px){.diagram{grid-template-columns:1fr}}
.wires{grid-column:1/-1;font:13px var(--mono);color:var(--ink3);display:flex;justify-content:center;gap:22px;flex-wrap:wrap;margin-top:14px}
.wires span::before{content:"⇄ ";color:var(--accent)}

/* features */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px}
@media(max-width:900px){.grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.grid{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:26px;transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-6px);box-shadow:0 22px 50px var(--glow)}
.card .ic{font-size:30px;margin-bottom:12px}
.card h3{font-size:20px;margin-bottom:6px}
.card p{color:var(--ink2);font-size:15.5px}

/* tour */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:36px 0 22px}
.tabs button{font:600 15px var(--font);padding:9px 18px;border-radius:99px;border:1px solid var(--line);background:var(--surface);color:var(--ink2);cursor:pointer}
.timer{height:3px;border-radius:3px;background:var(--line);margin:-8px 0 26px;overflow:hidden}.timer i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent2))}.timer.run i{animation:fill 6s linear forwards}@keyframes fill{to{width:100%}}
.tabs button[aria-selected=true]{background:var(--ink);color:var(--bg)}
.tour{display:grid;grid-template-columns:300px 1fr;gap:30px;align-items:start}
@media(max-width:900px){.tour{grid-template-columns:1fr}}
.tour h3{font-size:26px;margin-bottom:10px}.tour p{color:var(--ink2)}
.tour ul{margin:16px 0 0 18px;color:var(--ink2);font-size:15.5px}
.tour img{animation:fade .5s}
@keyframes fade{from{opacity:0;transform:scale(.98)}}
.theme{margin-left:auto;font-size:14px;color:var(--ink3);display:flex;align-items:center;gap:8px;cursor:pointer}
.phone-note{margin-top:22px;font-size:14px;color:var(--ink3)}

/* free */
.free{text-align:center}
.free .box{background:linear-gradient(135deg,var(--surface),var(--bg));border:1px solid var(--line);border-radius:28px;padding:64px 24px;position:relative;overflow:hidden}
.price{font-size:clamp(70px,14vw,150px);font-weight:800;letter-spacing:-.05em;line-height:1}
.free ul{list-style:none;display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:center;margin:26px 0 34px;color:var(--ink2)}
.free li::before{content:"✓ ";color:var(--good);font-weight:700}

/* install */
.code{background:var(--term);color:var(--termink);border-radius:14px;padding:18px 22px;font:14.5px/1.8 var(--mono);overflow-x:auto;margin-top:14px;position:relative}
.code .c{color:#898781}
.copy{position:absolute;right:12px;top:12px;font:12px var(--font);padding:5px 11px;border-radius:8px;background:rgba(255,255,255,.12);border:0;color:#fff;cursor:pointer}
.two{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:40px}
@media(max-width:800px){.two{grid-template-columns:1fr}}
.two h3{font-size:20px}
.note{margin-top:34px;padding:16px 20px;border-left:3px solid var(--warn);background:var(--surface);border-radius:0 12px 12px 0;color:var(--ink2);font-size:15px}

footer{padding:50px 0;border-top:1px solid var(--line);color:var(--ink3);font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between}

/* reveal */
.js .rv{opacity:0;transform:translateY(26px);transition:opacity .7s,transform .7s}
.js .rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.js .rv{opacity:1;transform:none}.pause{display:none}}
.paused *{animation-play-state:paused!important}
.pause{font:600 14px var(--font);padding:6px 14px;border-radius:99px;border:1px solid var(--line);background:var(--surface);color:var(--ink2);cursor:pointer;margin:-10px 0 14px}