:root{--bg:#0B0E12;--panel:#11151B;--card:#161B22;--line:#262E38;--muted:#9AA4B0;--faint:#6A7480;--accent:#E8A33D;--green:#3FBF7F;--red:#E2574C}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:#fff;font:16px/1.6 "Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;-webkit-text-size-adjust:100%}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
.wrap{width:min(1200px,100% - 32px);margin:0 auto}
.btn{display:inline-flex;align-items:center;gap:10px;border-radius:10px;padding:10px 18px;font-weight:700;font-size:15px;border:1px solid var(--line);white-space:nowrap}
.btn.pri{background:var(--accent);color:#1A1206;border-color:transparent}
.btn.ghost{background:transparent}
.btn.big{padding:12px 22px;font-size:16px;border-radius:12px}
.btn.big small{display:block;font-size:12px;font-weight:600;opacity:.75;line-height:1.2}
.btn.big span:first-child{font-size:20px}
.btn.off{color:var(--faint);border-style:dashed;cursor:default}
.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.top{position:sticky;top:0;z-index:10;background:#0B0E12ee;backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.navrow{height:68px;display:flex;align-items:center;gap:14px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:#fff}.logo b{color:var(--accent)}
.links{display:flex;gap:24px;color:#cfd6de;font-size:15px;margin-left:20px}.links a:hover{color:#fff}
.sp{flex:1}
.lang{font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:8px;padding:5px 10px;white-space:nowrap}.lang b{color:#fff}

.hero{padding:64px 0 40px;background:radial-gradient(900px 420px at 78% 40%,#3a1d0a 0%,transparent 70%);overflow:hidden}
.herogrid{display:grid;grid-template-columns:minmax(0,540px) 1fr;gap:20px;align-items:center}
.tag{display:inline-block;font-size:13px;color:var(--accent);background:#2A2010;border:1px solid #4a3714;padding:4px 12px;border-radius:20px;margin-bottom:16px}
h1{font-size:clamp(32px,5vw,48px);line-height:1.15;margin:0 0 18px;letter-spacing:-.5px}h1 em{font-style:normal;color:var(--accent)}
.lead{color:#c3cbd4;font-size:18px;margin:0 0 26px}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:14px}.cta.center{justify-content:center}
.small{color:var(--faint);font-size:13.5px}
.art{width:100%;max-width:720px;filter:drop-shadow(0 20px 40px #000a)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:16px;background:var(--panel);margin-top:30px}
.stats div{padding:20px 24px;border-right:1px solid var(--line)}.stats div:last-child{border:0}
.stats b{display:block;font-size:24px;color:var(--accent)}.stats span{color:var(--muted);font-size:14px}

section{padding:76px 0}
h2{font-size:clamp(26px,3.6vw,34px);margin:0 0 10px;text-align:center;line-height:1.25}h2.left{text-align:left}
.sub{color:var(--muted);text-align:center;margin:0 0 40px;font-size:16px}
.alt{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.steps,.feats,.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step,.feat{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px}
.alt .feat{background:var(--bg)}
.step .n,.ic{width:40px;height:40px;border-radius:11px;background:#2A2010;color:var(--accent);font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.ic svg{width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.step h3,.feat h3{margin:0 0 6px;font-size:18px}.step p,.feat p{margin:0;color:var(--muted);font-size:15px}
.shot{margin-top:44px;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 30px 80px #000c}
.shot .bar{height:32px;background:var(--card);display:flex;align-items:center;gap:7px;padding:0 14px}.shot .bar i{width:11px;height:11px;border-radius:50%;background:#3a424d}
.shot img{display:block;width:100%}

.mob{display:grid;grid-template-columns:360px 1fr;gap:64px;align-items:center}
.phone{width:290px;height:580px;margin:0 auto;border-radius:44px;background:#05070a;border:10px solid #222a34;box-shadow:0 30px 80px #000c;padding:14px}
.scr{height:100%;border-radius:30px;background:var(--panel);overflow:hidden;padding:14px;display:flex;flex-direction:column;gap:10px}
.pbar{display:flex;justify-content:space-between;font-size:13px}.pbar span{color:var(--red);font-size:12px}
.cam{flex:1;border-radius:14px;background:linear-gradient(160deg,#8a6236,#4a3320);position:relative;display:flex;align-items:center;justify-content:center}
.label{width:116px;height:146px;background:#f4f1ea;border-radius:6px;transform:rotate(-6deg);padding:12px;display:flex;flex-direction:column;gap:9px}
.label i{height:8px;background:#222;border-radius:2px}.label i:first-child{height:34px;background:repeating-linear-gradient(90deg,#111 0 2px,#fff 2px 4px)}
.wm{position:absolute;left:10px;top:10px;font:600 10.5px/1.4 Consolas,monospace;background:#000a;padding:4px 7px;border-radius:5px}
.prow{display:flex;justify-content:space-between;background:var(--card);border-radius:10px;padding:9px 12px;font-size:13px;color:var(--muted)}.prow b{color:#fff}.prow b.ok{color:var(--green)}
.pbtn{background:var(--accent);color:#1A1206;font-weight:800;text-align:center;border-radius:12px;padding:12px;font-size:14px}
.ticks,.dots{padding:0;margin:16px 0 24px;color:#cfd6de;font-size:16px;list-style:none}
.ticks li,.dots li{padding:6px 0 6px 28px;position:relative}
.ticks li:before{content:"✓";color:var(--green);font-weight:800;position:absolute;left:4px}
.dots li:before{content:"•";color:var(--accent);font-weight:800;position:absolute;left:8px}

.period{display:flex;justify-content:center;gap:4px;margin:-16px auto 34px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:4px;width:max-content;max-width:100%}
.period button{all:unset;cursor:pointer;padding:8px 20px;border-radius:9px;color:var(--muted);font-weight:600;font-size:14px}
.period button.on{background:var(--accent);color:#1A1206}
.plan{background:var(--bg);border:1px solid var(--line);border-radius:18px;padding:28px;position:relative;display:flex;flex-direction:column}
.plan.hot{border:2px solid var(--accent)}
.plan .badge{position:absolute;top:-13px;left:28px;background:var(--accent);color:#1A1206;font-size:12px;font-weight:800;padding:3px 12px;border-radius:20px}
.plan h3{margin:0;font-size:20px}.plan .for{color:var(--muted);font-size:14px;margin-bottom:16px}
.price{font-size:34px;font-weight:800;line-height:1.2}.price small{font-size:15px;color:var(--muted);font-weight:500}
.save{display:inline-block;margin-top:6px;color:var(--green);font-size:13px;font-weight:700}
.plan ul{list-style:none;padding:0;margin:16px 0 22px;color:#cfd6de;font-size:15px;flex:1}
.plan li{padding:5px 0 5px 24px;position:relative}.plan li:before{content:"✓";color:var(--green);font-weight:800;position:absolute;left:0}
.plan .btn{justify-content:center}
.note{text-align:center;color:var(--faint);font-size:13.5px;margin-top:22px}

.kho{display:grid;grid-template-columns:1fr 440px;gap:40px;align-items:center;background:linear-gradient(120deg,#1b1408,var(--panel) 60%);border:1px solid #4a3714;border-radius:22px;padding:44px}
.zalo{background:#0068FF;color:#fff;border:0}
.kn{margin-left:12px}
.grid9{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;background:#000;padding:6px;border-radius:14px;border:1px solid var(--line)}
.tile{aspect-ratio:16/10;border-radius:6px;background:linear-gradient(135deg,#6b4b2a,#3b2a18);position:relative}
.tile span{position:absolute;left:6px;bottom:5px;font-size:11px;background:#000a;padding:1px 6px;border-radius:4px}
.tile i{position:absolute;right:6px;top:6px;width:7px;height:7px;border-radius:50%;background:var(--red)}

.faq{max-width:820px}
details{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:var(--bg)}
summary{cursor:pointer;list-style:none;padding:16px 48px 16px 20px;font-weight:600;position:relative}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:20px;top:14px;color:var(--muted);font-size:20px}
details[open] summary:after{content:"–"}
details p{margin:0;padding:0 20px 18px;color:var(--muted);font-size:15px}
.final{text-align:center}

footer{border-top:1px solid var(--line);padding:40px 0 30px;color:var(--muted);font-size:14.5px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
footer h4{color:#fff;margin:0 0 10px;font-size:15px}footer p{margin:6px 0}footer a:hover{color:#fff}
.copy{text-align:center;color:var(--faint);font-size:13px;margin-top:28px}

@media (max-width:980px){
  .links,.hide-sm{display:none}
  .herogrid,.mob,.kho{grid-template-columns:1fr}
  .art{max-width:560px;margin:0 auto;display:block}
  .stats{grid-template-columns:repeat(2,1fr)}.stats div:nth-child(2){border-right:0}.stats div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .steps,.feats,.plans{grid-template-columns:1fr}
  .plans{gap:28px}
  .kho{padding:28px}
  .fgrid{grid-template-columns:1fr 1fr}
  section{padding:56px 0}
  .kn{display:block;margin:10px 0 0}
}
@media (max-width:520px){
  .navrow{gap:8px}.logo{font-size:17px}.btn{padding:9px 14px}
  .hero{padding:40px 0 28px}
  .cta .btn.big{width:100%;justify-content:flex-start}
  .stats b{font-size:20px}.stats div{padding:16px}
  .fgrid{grid-template-columns:1fr}
  .phone{width:260px;height:520px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}