:root{
  --bg:#050816;--bg2:#0b1224;--surface:rgba(15,23,42,.62);--surface2:rgba(30,41,59,.55);
  --border:rgba(148,163,184,.16);--border2:rgba(96,165,250,.35);
  --text:#e2e8f0;--muted:#94a3b8;--dim:#64748b;
  --blue:#3b82f6;--blue2:#2563eb;--cyan:#22d3ee;--violet:#a855f7;--pink:#ec4899;--green:#34d399;
  --grad:linear-gradient(135deg,#3b82f6 0%,#22d3ee 50%,#a855f7 100%);
  --grad2:linear-gradient(90deg,#60a5fa,#22d3ee,#c084fc);
  --r:18px;--r2:12px;--max:1180px;
  --font:"Be Vietnam Pro","Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:-2;background:
 radial-gradient(900px 600px at 10% -10%,rgba(59,130,246,.22),transparent 60%),
 radial-gradient(800px 600px at 95% 0%,rgba(168,85,247,.20),transparent 60%),
 radial-gradient(700px 500px at 50% 110%,rgba(34,211,238,.14),transparent 60%),var(--bg)}
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.35;
 background-image:linear-gradient(rgba(148,163,184,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.06) 1px,transparent 1px);
 background-size:44px 44px;mask-image:radial-gradient(ellipse at 50% 0%,#000 30%,transparent 75%)}
a{color:#93c5fd;text-decoration:none}a:hover{color:#fff}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.grad-text{background:var(--grad2);-webkit-background-clip:text;background-clip:text;color:transparent}
/* nav */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);background:rgba(5,8,22,.72);border-bottom:1px solid var(--border)}
.nav .wrap{display:flex;align-items:center;gap:18px;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.12rem;color:#fff;letter-spacing:-.01em}
.brand img{width:34px;height:34px;filter:drop-shadow(0 0 12px rgba(34,211,238,.45))}
.brand small{font-weight:700;font-size:.68rem;padding:2px 7px;border-radius:999px;background:rgba(59,130,246,.18);color:#93c5fd;border:1px solid var(--border2)}
.nav-links{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav-links a{color:#cbd5e1;font-size:.92rem;font-weight:500;padding:8px 12px;border-radius:10px}
.nav-links a:hover,.nav-links a.active{background:rgba(59,130,246,.14);color:#fff}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--border);color:#fff;border-radius:10px;width:42px;height:40px;font-size:1.2rem;cursor:pointer}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:700;border-radius:14px;padding:14px 22px;font-size:1rem;border:1px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .2s,background .2s;font-family:inherit}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--grad);color:#fff!important;box-shadow:0 10px 30px -8px rgba(59,130,246,.7),0 0 0 1px rgba(255,255,255,.08) inset}
.btn-primary:hover{box-shadow:0 14px 40px -6px rgba(34,211,238,.65)}
.btn-ghost{background:rgba(148,163,184,.08);border-color:var(--border);color:#e2e8f0!important}
.btn-ghost:hover{background:rgba(148,163,184,.16)}
.btn-sm{padding:9px 15px;font-size:.88rem;border-radius:11px}
.btn-lg{padding:18px 30px;font-size:1.1rem;border-radius:16px}
.btn .sub{font-weight:500;opacity:.85;font-size:.85em}
/* hero */
.hero{padding:84px 0 60px;position:relative}
.hero .wrap{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.3);color:#a5f3fc;font-size:.84rem;font-weight:600}
.pill .dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green);animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.4}}
h1{font-size:clamp(2.1rem,4.6vw,3.6rem);line-height:1.12;letter-spacing:-.025em;margin:18px 0 18px;font-weight:800}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem);line-height:1.2;letter-spacing:-.02em;margin:0 0 14px;font-weight:800}
h3{font-size:1.12rem;margin:0 0 8px;font-weight:700}
.lead{font-size:1.13rem;color:#cbd5e1;max-width:620px}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.meta-row{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px;color:var(--muted);font-size:.9rem}
.meta-row span::before{content:"✓ ";color:var(--green);font-weight:800}
/* app mock */
.mock{position:relative;border-radius:22px;padding:1px;background:linear-gradient(140deg,rgba(59,130,246,.7),rgba(34,211,238,.25),rgba(168,85,247,.7));box-shadow:0 30px 80px -20px rgba(59,130,246,.45),0 0 120px -30px rgba(168,85,247,.6)}
.mock-in{border-radius:21px;background:linear-gradient(180deg,#0b1224,#070b19);overflow:hidden}
.mock-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;border-bottom:1px solid var(--border);font-size:.78rem;color:var(--muted)}
.mock-bar i{width:10px;height:10px;border-radius:50%;display:inline-block}
.mock-bar b{margin-left:8px;color:#e2e8f0;font-weight:600}
.mock-body{display:grid;grid-template-columns:130px 1fr;min-height:330px}
.mock-side{border-right:1px solid var(--border);padding:12px 8px;display:flex;flex-direction:column;gap:4px}
.mock-side div{font-size:.74rem;color:#94a3b8;padding:7px 9px;border-radius:8px}
.mock-side div.on{background:rgba(59,130,246,.18);color:#fff}
.mock-main{padding:16px;display:flex;flex-direction:column;gap:12px}
.flow{display:flex;align-items:center;gap:8px}
.clip{width:52px;height:88px;border-radius:9px;background:linear-gradient(160deg,#1e293b,#0f172a);border:1px solid var(--border);position:relative;overflow:hidden;flex:none}
.clip::after{content:"▶";position:absolute;inset:0;display:grid;place-items:center;color:rgba(255,255,255,.7);font-size:.8rem}
.clip.c1{background:linear-gradient(160deg,#1d4ed8,#0f172a)}.clip.c2{background:linear-gradient(160deg,#0891b2,#0f172a)}.clip.c3{background:linear-gradient(160deg,#7c3aed,#0f172a)}.clip.c4{background:linear-gradient(160deg,#db2777,#0f172a)}
.arrow{flex:1;height:2px;background:var(--grad2);position:relative;border-radius:2px;min-width:20px}
.arrow::after{content:"";position:absolute;right:-2px;top:-4px;border:5px solid transparent;border-left-color:#c084fc}
.ai-core{width:74px;height:74px;border-radius:20px;background:var(--grad);display:grid;place-items:center;font-size:1.9rem;flex:none;box-shadow:0 0 40px rgba(34,211,238,.55);animation:float 4s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-6px)}}
.outs{display:grid;grid-template-columns:repeat(3,34px);gap:6px}
.outs .clip{width:34px;height:56px;border-radius:7px}.outs .clip::after{font-size:.55rem}
.bar-row{display:flex;flex-direction:column;gap:8px;margin-top:4px}
.bar{height:9px;border-radius:9px;background:rgba(148,163,184,.12);overflow:hidden}
.bar span{display:block;height:100%;background:var(--grad2);border-radius:9px;animation:load 3.2s ease-in-out infinite}
.bar:nth-child(2) span{animation-delay:.5s}.bar:nth-child(3) span{animation-delay:1s}
@keyframes load{0%{width:8%}60%{width:92%}100%{width:8%}}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-size:.7rem;padding:4px 9px;border-radius:999px;background:rgba(148,163,184,.1);border:1px solid var(--border);color:#cbd5e1}
.chip.hl{background:rgba(34,211,238,.12);border-color:rgba(34,211,238,.4);color:#a5f3fc}
/* sections */
section{padding:76px 0}
.sec-head{text-align:center;max-width:760px;margin:0 auto 44px}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);margin-bottom:10px}
.sec-head p{color:var(--muted);font-size:1.05rem;margin:0}
.grid{display:grid;gap:18px}
.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.card{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:24px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:border-color .2s,transform .2s,box-shadow .2s}
.card:hover{border-color:var(--border2);transform:translateY(-3px);box-shadow:0 18px 40px -20px rgba(59,130,246,.55)}
.card p{color:var(--muted);margin:0;font-size:.95rem}
.ico{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:1.45rem;margin-bottom:14px;background:linear-gradient(135deg,rgba(59,130,246,.25),rgba(168,85,247,.25));border:1px solid var(--border2);box-shadow:0 0 22px -6px rgba(34,211,238,.6)}
.tag{display:inline-block;font-size:.7rem;font-weight:700;padding:3px 9px;border-radius:999px;background:rgba(52,211,153,.12);color:#6ee7b7;border:1px solid rgba(52,211,153,.3);margin-left:6px;vertical-align:middle}
/* steps */
.steps{counter-reset:s}
.step{display:flex;gap:18px;align-items:flex-start}
.num{flex:none;width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-weight:800;background:var(--grad);color:#fff;box-shadow:0 0 24px -4px rgba(59,130,246,.8)}
.timeline{display:flex;flex-direction:column;gap:14px;max-width:880px;margin:0 auto}
.timeline .card{display:flex;gap:18px;align-items:flex-start}
/* download */
.dl{border-radius:26px;padding:1px;background:linear-gradient(135deg,rgba(59,130,246,.8),rgba(34,211,238,.35),rgba(168,85,247,.8));box-shadow:0 30px 90px -30px rgba(34,211,238,.5)}
.dl-in{border-radius:25px;background:linear-gradient(180deg,rgba(11,18,36,.96),rgba(5,8,22,.96));padding:40px;display:grid;grid-template-columns:1.1fr .9fr;gap:36px}
.specs{display:grid;grid-template-columns:auto 1fr;gap:10px 18px;font-size:.95rem;margin:22px 0}
.specs dt{color:var(--muted)}.specs dd{margin:0;font-weight:600}
code,.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.84em;background:rgba(148,163,184,.1);border:1px solid var(--border);padding:2px 7px;border-radius:7px;color:#bae6fd;word-break:break-all}
.list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.list li{padding-left:28px;position:relative;color:#cbd5e1}
.list li::before{content:"";position:absolute;left:0;top:.45em;width:16px;height:16px;border-radius:5px;background:var(--grad);box-shadow:0 0 10px rgba(34,211,238,.5)}
ol.nums{padding-left:0;list-style:none;counter-reset:n;display:flex;flex-direction:column;gap:12px;margin:0}
ol.nums li{counter-increment:n;position:relative;padding-left:44px;color:#cbd5e1}
ol.nums li::before{content:counter(n);position:absolute;left:0;top:-2px;width:30px;height:30px;border-radius:10px;display:grid;place-items:center;font-weight:800;font-size:.88rem;background:rgba(59,130,246,.18);border:1px solid var(--border2);color:#bfdbfe}
.note{border-left:3px solid var(--cyan);background:rgba(34,211,238,.06);padding:12px 16px;border-radius:0 12px 12px 0;color:#cbd5e1;font-size:.93rem}
.note.warn{border-color:#f59e0b;background:rgba(245,158,11,.07)}
/* faq */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
details{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:0 20px;transition:border-color .2s}
details[open]{border-color:var(--border2)}
summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:700;display:flex;justify-content:space-between;gap:14px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--cyan);font-size:1.3rem;line-height:1;transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details p,details ol,details ul{color:var(--muted);margin:0 0 18px}
/* page hero */
.phero{padding:70px 0 30px;text-align:center}
.phero .lead{margin:0 auto}
/* footer */
footer{border-top:1px solid var(--border);padding:40px 0;color:var(--dim);font-size:.9rem;margin-top:30px}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px;align-items:center}
footer nav{display:flex;flex-wrap:wrap;gap:18px}footer a{color:var(--muted)}
.center{text-align:center}.mt{margin-top:28px}.muted{color:var(--muted)}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}
/* responsive */
@media (max-width:980px){
 .hero .wrap,.dl-in{grid-template-columns:1fr}.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}
 .hero{padding-top:50px}
}
@media (max-width:760px){
 .burger{display:block}
 .nav-links{display:none;position:absolute;top:66px;left:0;right:0;flex-direction:column;align-items:stretch;padding:12px 16px 18px;background:rgba(5,8,22,.97);border-bottom:1px solid var(--border)}
 .nav-links.open{display:flex}.nav-links a{padding:12px}
 .g2,.g3,.g4{grid-template-columns:1fr}
 section{padding:56px 0}.dl-in{padding:24px}
 .mock-body{grid-template-columns:1fr}.mock-side{display:none}
 .btn-lg{width:100%}.cta-row .btn{width:100%}
}
@media (max-width:760px){.btn{flex-wrap:wrap;text-align:center;row-gap:2px}.btn .sub{white-space:nowrap}.pill{font-size:.78rem}h1{font-size:2rem}}