/* =====================================================================
   ViralCrawl — Landing STYLES.  Chia theo COMPONENT, sửa 1 block KHÔNG ảnh
   hưởng block khác. Thứ tự: tokens · base · buttons · header · hero · mockup3d
   · features · process · pricing · stats · reviews · faq · account · footer
   · modals · animations · responsive.  (HTML: landing.html · JS: landing.js)
   ===================================================================== */
:root{--bg:#090A11;--sec:#0D1017;--card:#11131C;--card2:#171A26;--line:rgba(255,255,255,.08);--line2:rgba(255,255,255,.14);
    --pri:#7B5CFF;--pri2:#D64DFF;--txt:#FFFFFF;--sub:#A7AEC0;--sub2:#6C7590;--ok:#2ECC71;--warn:#F4B400;
    --grad:linear-gradient(135deg,#7B5CFF,#D64DFF);--rad:20px;--radc:24px;--maxw:1280px;
    --gold:#EBC85A;--goldg:linear-gradient(180deg,#FDF3C4 0%,#F1D072 40%,#C79A32 62%,#F6E1A0 100%)}
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{background:var(--bg);color:var(--txt);font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.6;
    letter-spacing:.1px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  h1,h2,h3{letter-spacing:-.02em;line-height:1.15;font-weight:800}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
  .grad-t{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
  /* tiêu đề vàng crom (chrome gold) */
  .gold-t,.sec-head h2,.fcard h3,.step h3,.plan .pname,.accard h3,.rv .nm{
    background:var(--goldg);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
  .mut{color:var(--sub)}
  .eyebrow{font-size:12.5px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;background:var(--grad);
    -webkit-background-clip:text;background-clip:text;color:transparent}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:52px;padding:0 26px;border:0;cursor:pointer;
    border-radius:14px;font-family:inherit;font-size:15px;font-weight:700;color:#fff;background:var(--grad);
    transition:transform .25s cubic-bezier(.2,.8,.2,1),box-shadow .25s,filter .25s;white-space:nowrap}
  .btn:hover{transform:translateY(-2px) scale(1.015);box-shadow:0 14px 40px rgba(123,92,255,.4);filter:brightness(1.05)}
  .btn.ghost{background:transparent;color:var(--txt);border:1px solid var(--line2)}
  .btn.ghost:hover{background:rgba(255,255,255,.04);box-shadow:none;border-color:var(--pri)}
  .btn.sm{height:42px;padding:0 18px;font-size:14px;border-radius:11px}
  .btn.full{width:100%}
  header{position:sticky;top:0;z-index:80;background:rgba(9,10,17,.72);backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
  .nav{display:flex;align-items:center;height:82px;gap:32px}
  .brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:24px}
  .brand img{height:42px;width:auto;filter:drop-shadow(0 3px 12px rgba(123,92,255,.5))}
  .navlinks{display:flex;gap:34px;margin-left:24px}
  .navlinks a{color:var(--sub);font-size:16.5px;font-weight:600;transition:color .2s}
  .nav .right .btn.sm{height:46px;font-size:15px;padding:0 20px}
  .navlinks a:hover{color:#fff}
  .nav .right{margin-left:auto;display:flex;gap:10px;align-items:center}
  .burger{display:none;margin-left:auto;background:none;border:0;color:#fff;font-size:24px;cursor:pointer}
  @media(max-width:900px){.navlinks{display:none}.nav .right{display:none}.burger{display:block}}
  .mobile{display:none;flex-direction:column;gap:6px;padding:14px 32px 22px;border-bottom:1px solid var(--line);background:var(--sec)}
  .mobile.open{display:flex}
  .mobile a{color:var(--sub);padding:10px 0;font-weight:600;font-size:15px;cursor:pointer}
  .hero{position:relative;padding:96px 0 80px}
  .hero::before{content:"";position:absolute;inset:-10% -20% auto;height:640px;z-index:-1;
    background:radial-gradient(50% 60% at 25% 20%,rgba(123,92,255,.26),transparent 70%),radial-gradient(45% 55% at 80% 10%,rgba(214,77,255,.18),transparent 70%)}
  .hgrid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
  .badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:#d9ccff;
    background:rgba(123,92,255,.12);border:1px solid rgba(123,92,255,.32);padding:7px 15px;border-radius:99px;margin-bottom:24px}
  .hero h1{font-size:clamp(34px,4.6vw,60px);font-weight:900;line-height:1.06}
  .hero .lead{color:var(--sub);font-size:clamp(15px,1.4vw,18px);max-width:540px;margin:22px 0 32px}
  .hero .cta{display:flex;gap:14px;flex-wrap:wrap}
  .plats{margin-top:32px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
  .plats b{color:var(--sub);font-weight:600;font-size:14px}
  .plat{display:inline-flex;align-items:center;gap:7px;color:var(--sub);font-weight:600;font-size:14px}
  .pchip{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;flex:0 0 auto;box-shadow:0 4px 12px rgba(0,0,0,.35)}
  .pchip svg{width:18px;height:18px}
  /* nút tải 3D (Windows / macOS) */
  .dlrow{display:flex;gap:14px;flex-wrap:wrap}
  .dlbtn{position:relative;display:inline-flex;align-items:center;gap:12px;height:60px;padding:0 26px;border-radius:16px;
    font-family:inherit;font-weight:800;font-size:15.5px;cursor:pointer;color:#fff;text-decoration:none;border:0;
    background:var(--grad);box-shadow:0 6px 0 #4a2fb0,0 18px 36px rgba(123,92,255,.42);
    transition:transform .13s ease,box-shadow .13s ease,filter .2s}
  .dlbtn:hover{transform:translateY(-3px);box-shadow:0 9px 0 #4a2fb0,0 24px 50px rgba(123,92,255,.55);filter:brightness(1.06)}
  .dlbtn:active{transform:translateY(3px);box-shadow:0 3px 0 #4a2fb0,0 10px 24px rgba(123,92,255,.35)}
  .dlbtn.mac{background:linear-gradient(135deg,#252a3a,#14161f);box-shadow:0 6px 0 #090b12,0 18px 36px rgba(0,0,0,.5)}
  .dlbtn.mac:hover{box-shadow:0 9px 0 #090b12,0 24px 50px rgba(0,0,0,.6);filter:brightness(1.1)}
  .dlbtn.mac:active{box-shadow:0 3px 0 #090b12,0 10px 24px rgba(0,0,0,.4)}
  .dlbtn .os{display:grid;place-items:center;flex:0 0 auto}
  .dlbtn .os svg{width:24px;height:24px;fill:currentColor}
  .dlbtn .big{line-height:1.08;text-align:left}
  .dlbtn small{display:block;font-size:11.5px;font-weight:600;opacity:.82}
  .dlbtn .rec{position:absolute;top:-10px;left:50%;transform:translateX(-50%);background:var(--ok);color:#04120a;font-size:10.5px;font-weight:800;padding:2px 10px;border-radius:20px;display:none;white-space:nowrap;box-shadow:0 6px 16px rgba(46,204,113,.4)}
  .dlbtn.rec-on .rec{display:block}
  /* ===== App mockup 3D ===== */
  .stage{position:relative;perspective:1700px}
  .stage-in{position:relative;transform:rotateX(var(--px,0deg)) rotateY(var(--py,0deg));transition:transform .3s ease-out;transform-style:preserve-3d}
  .stage .glow{position:absolute;inset:-16% -12%;z-index:-1;filter:blur(14px);
    background:radial-gradient(45% 55% at 28% 22%,rgba(123,92,255,.42),transparent 66%),radial-gradient(42% 52% at 82% 30%,rgba(214,77,255,.32),transparent 66%)}
  .app3d{position:relative;transform-style:preserve-3d;transform:rotateY(-15deg) rotateX(6deg);
    border-radius:16px;overflow:hidden;border:1px solid var(--line2);background:linear-gradient(180deg,#131724,#0b0d16);
    box-shadow:-34px 46px 100px rgba(0,0,0,.62),0 0 0 1px rgba(123,92,255,.12),0 0 90px rgba(123,92,255,.12);animation:float3d 7s ease-in-out infinite}
  .app3d.r{transform:rotateY(14deg) rotateX(6deg);animation:float3dr 7.6s ease-in-out infinite}
  @keyframes float3d{0%,100%{transform:rotateY(-15deg) rotateX(6deg) translateY(0)}50%{transform:rotateY(-12deg) rotateX(4deg) translateY(-14px)}}
  @keyframes float3dr{0%,100%{transform:rotateY(14deg) rotateX(6deg) translateY(0)}50%{transform:rotateY(11deg) rotateX(4deg) translateY(-13px)}}
  .app3d::before{content:"";position:absolute;inset:0;z-index:6;pointer-events:none;background:linear-gradient(125deg,rgba(255,255,255,.08),transparent 42%)}
  .tbar{display:flex;align-items:center;gap:7px;padding:12px 15px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.03)}
  .tbar i{width:11px;height:11px;border-radius:50%}
  .tbar i:nth-child(1){background:#ff5f57}.tbar i:nth-child(2){background:#febc2e}.tbar i:nth-child(3){background:#28c840}
  .tbar b{margin-left:9px;font-size:12px;color:var(--sub);font-weight:600}
  .abody{display:grid;grid-template-columns:142px 1fr}
  .asio{border-right:1px solid var(--line);padding:12px 8px;display:flex;flex-direction:column;gap:2px}
  .asio a{font-size:11.5px;color:var(--sub);padding:8px 9px;border-radius:9px;font-weight:600;display:flex;gap:7px;align-items:center;white-space:nowrap}
  .asio a.on{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(123,92,255,.4)}
  .amain{padding:14px 14px 16px}
  .asearch{display:flex;gap:7px;margin-bottom:11px}
  .asearch .q{flex:1;background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:9px 11px;font-size:11.5px;color:var(--sub2)}
  .asearch .go{background:var(--grad);border-radius:9px;padding:9px 13px;font-size:11.5px;font-weight:800;color:#fff}
  .apills{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
  .apills span{font-size:10.5px;padding:5px 10px;border-radius:8px;background:var(--card2);border:1px solid var(--line);color:var(--sub)}
  .apills span.on{background:rgba(123,92,255,.2);border-color:rgba(123,92,255,.45);color:#fff}
  .avgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}
  .avid{position:relative;aspect-ratio:9/13;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
  .avid .th{position:absolute;inset:0;background:linear-gradient(150deg,#2a2340,#3a2a55)}
  .avid:nth-child(2) .th{background:linear-gradient(150deg,#20304a,#2c4468)}
  .avid:nth-child(3) .th{background:linear-gradient(150deg,#3a2440,#54305a)}
  .avid:nth-child(4) .th{background:linear-gradient(150deg,#243a3a,#2e5a54)}
  .avid:nth-child(5) .th{background:linear-gradient(150deg,#3a3420,#5a4e2e)}
  .avid:nth-child(6) .th{background:linear-gradient(150deg,#2a2a45,#3d3a6a)}
  .avid .pl{position:absolute;inset:0;display:grid;place-items:center;font-size:19px;color:rgba(255,255,255,.9);text-shadow:0 4px 12px rgba(0,0,0,.5)}
  .avid .dur{position:absolute;bottom:6px;right:6px;background:rgba(0,0,0,.72);color:#fff;font-size:9px;font-weight:700;padding:2px 6px;border-radius:5px}
  .avid .ck{position:absolute;top:6px;left:6px;width:16px;height:16px;border-radius:5px;background:var(--grad);display:grid;place-items:center;font-size:9px;color:#fff}
  .arun{margin-top:12px;background:var(--grad);border-radius:10px;text-align:center;padding:11px;font-size:12.5px;font-weight:800;color:#fff;box-shadow:0 10px 26px rgba(123,92,255,.45)}
  /* màn lồng tiếng (process) */
  .lvid{aspect-ratio:16/9;border-radius:11px;border:1px solid var(--line);background:linear-gradient(150deg,#241f3a,#33264d);position:relative;display:grid;place-items:center;margin-bottom:12px}
  .lvid .pl{width:44px;height:44px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-size:18px;color:#fff;box-shadow:0 8px 22px rgba(123,92,255,.5)}
  .lwave{display:flex;align-items:center;gap:2px;height:34px;margin-bottom:12px}
  .lwave span{flex:1;background:var(--grad);border-radius:3px;animation:wv 1.2s ease-in-out infinite}
  .lsub{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:11px;margin-bottom:7px}
  .lsub .zh{color:var(--sub2);text-decoration:line-through}
  .lsub .vi{color:#fff;font-weight:600}
  /* floating accent cards */
  .fab{position:absolute;z-index:8;background:rgba(19,22,33,.86);border:1px solid var(--line2);border-radius:14px;padding:10px 13px;
    box-shadow:0 22px 54px rgba(0,0,0,.55);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);display:flex;align-items:center;gap:10px;font-size:12px;font-weight:600;line-height:1.35}
  .fab .fi{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:16px;flex:0 0 auto}
  .fab-1{top:-24px;right:-24px;animation:floatY 5s ease-in-out infinite}
  .fab-2{bottom:44px;left:-42px;animation:floatY 6s ease-in-out .8s infinite}
  .fab-3{bottom:-20px;right:26px;animation:floatY 5.5s ease-in-out .4s infinite}
  @keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-13px)}}
  @media(max-width:980px){.app3d,.app3d.r{transform:none;animation:none}.stage .glow{filter:blur(34px)}.fab{display:none}}
  @media(prefers-reduced-motion:reduce){.app3d,.app3d.r{animation:none}.fab,.lwave span{animation:none}}
  section{padding:110px 0}
  .sec-head{text-align:center;max-width:640px;margin:0 auto 56px}
  .sec-head h2{font-size:clamp(26px,3.4vw,40px);margin:12px 0 12px}
  .sec-head p{color:var(--txt);font-size:18px}
  .fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .fcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radc);padding:26px;
    transition:transform .35s cubic-bezier(.2,.8,.2,1),border-color .35s,box-shadow .35s}
  .fcard:hover{transform:translateY(-6px);border-color:rgba(123,92,255,.4);box-shadow:0 24px 60px rgba(0,0,0,.4)}
  .fcard .ic{width:48px;height:48px;border-radius:13px;background:linear-gradient(135deg,rgba(123,92,255,.22),rgba(214,77,255,.16));
    display:grid;place-items:center;font-size:23px;margin-bottom:16px;border:1px solid var(--line)}
  .fcard h3{font-size:21px;margin-bottom:8px}
  .fcard p{color:var(--txt);font-size:16.5px;line-height:1.55}
  .fdemo{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);min-height:52px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
  .pill{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:16px;background:var(--card2);border:1px solid var(--line)}
  .wave{display:flex;align-items:center;gap:3px;height:36px;width:100%}
  .wave span{flex:1;background:var(--grad);border-radius:3px;animation:wv 1.3s ease-in-out infinite}
  @keyframes wv{0%,100%{height:22%}50%{height:100%}}
  .subchip{font-size:12px;padding:6px 11px;border-radius:8px;background:var(--card2);border:1px solid var(--line);color:var(--sub)}
  .kbadge{font-size:13px;font-weight:800;padding:7px 13px;border-radius:9px;background:var(--card2);border:1px solid var(--line2);color:#fff}
  .noti{display:flex;align-items:center;gap:10px;background:var(--card2);border:1px solid var(--line);border-radius:11px;padding:10px 12px;width:100%;font-size:12.5px}
  .noti .d{width:30px;height:30px;border-radius:9px;background:rgba(123,92,255,.2);display:grid;place-items:center}
  .money{display:flex;align-items:center;gap:10px;background:linear-gradient(135deg,rgba(46,204,113,.14),rgba(123,92,255,.1));border:1px solid rgba(46,204,113,.3);border-radius:12px;padding:12px 14px;width:100%}
  .money b{font-size:19px;font-weight:900;color:#fff}
  .pgrid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
  .steps{display:flex;flex-direction:column;gap:8px}
  .step{display:flex;gap:18px;padding:18px 0;position:relative}
  .step .no{flex:0 0 52px;height:52px;border-radius:14px;display:grid;place-items:center;font-weight:900;font-size:18px;
    background:var(--card);border:1px solid var(--line2);color:#fff}
  .step.act .no{background:var(--grad);border:0;box-shadow:0 10px 30px rgba(123,92,255,.4)}
  .step .line{position:absolute;left:26px;top:70px;bottom:-8px;width:2px;background:linear-gradient(180deg,var(--pri),transparent)}
  .step:last-child .line{display:none}
  .step h3{font-size:18px;margin-bottom:4px}
  .step p{color:var(--txt);font-size:14px}
  .toggle{display:flex;gap:5px;justify-content:center;background:var(--card);border:1px solid var(--line);border-radius:99px;padding:5px;width:max-content;margin:0 auto 40px}
  .toggle button{border:0;background:transparent;color:var(--sub);font-family:inherit;font-weight:700;font-size:14px;padding:10px 22px;border-radius:99px;cursor:pointer;transition:.25s}
  .toggle button.on{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(123,92,255,.35)}
  .toggle .tsave{font-size:11.5px;font-weight:800;color:var(--ok);background:rgba(46,204,113,.16);padding:2px 7px;border-radius:6px;margin-left:2px}
  .toggle button.on .tsave{color:#0a2a17;background:rgba(255,255,255,.9)}
  .pgrid4{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
  .plan{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radc);padding:30px 26px;display:flex;flex-direction:column;
    transition:transform .35s,border-color .35s,box-shadow .35s}
  .plan:hover{transform:translateY(-6px);box-shadow:0 24px 60px rgba(0,0,0,.4)}
  .plan.hot{border:1.5px solid transparent;background:linear-gradient(var(--card),var(--card)) padding-box,var(--grad) border-box;
    box-shadow:0 0 0 1px rgba(123,92,255,.2),0 30px 70px rgba(123,92,255,.16)}
  /* UNLIMITED — nổi bật nhất: viền vàng gradient + nhô 3D + glow vàng */
  .plan.best{border:2px solid transparent;
    background:linear-gradient(var(--card),var(--card)) padding-box,var(--goldg) border-box;
    transform:perspective(1200px) translateY(-14px) scale(1.045);z-index:2;
    box-shadow:0 0 0 1px rgba(235,200,90,.3),0 26px 60px -18px rgba(235,200,90,.5),0 40px 90px -30px rgba(0,0,0,.6)}
  .plan.best:hover{transform:perspective(1200px) translateY(-20px) scale(1.06) rotateX(3deg);
    box-shadow:0 0 0 1px rgba(235,200,90,.45),0 34px 80px -18px rgba(235,200,90,.6),0 50px 110px -30px rgba(0,0,0,.65)}
  .plan .pbadge{position:absolute;top:-15px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:13px;font-weight:800;padding:7px 17px;border-radius:99px;white-space:nowrap;box-shadow:0 8px 20px rgba(123,92,255,.4)}
  .plan .pbadge.best{background:var(--goldg);color:#4a3800;box-shadow:0 10px 26px rgba(235,200,90,.55)}
  .plan .pname{font-size:22px;font-weight:900;letter-spacing:.1em;text-transform:uppercase;
    background:var(--goldg);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
  .plan.best .pname{font-size:26px}
  .plan .pprice{font-size:42px;font-weight:900;margin:12px 0 2px;line-height:1.05}
  .plan .pprice span{font-size:18px;color:var(--sub);font-weight:600}
  .plan .pcompare{color:var(--sub2);font-size:15px;text-decoration:line-through;min-height:20px}
  .plan .pcompare em{color:var(--ok);font-style:normal;font-weight:800;text-decoration:none;margin-left:6px}
  .plan .psub{color:var(--sub2);font-size:15px;min-height:20px}
  .plan .poff{color:var(--ok);font-style:normal;font-weight:800;font-size:16px;margin-left:8px;
    background:rgba(46,204,113,.15);padding:2px 9px;border-radius:7px;vertical-align:middle}
  .plan .ptot{color:var(--sub);font-size:15px;margin:3px 0 18px}
  .plan ul{list-style:none;display:grid;gap:12px;margin:0 0 24px;flex:1}
  .plan li{display:flex;gap:10px;font-size:16px;color:#e7eaf3;line-height:1.45}
  .plan li::before{content:"✓";color:var(--ok);font-weight:900;flex:0 0 auto}
  .plan.hot li::before{color:var(--pri2)}
  .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
  .stat{display:flex;align-items:center;gap:14px;padding:22px;background:var(--card);border:1px solid var(--line);border-radius:var(--rad)}
  .stat .si{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,rgba(123,92,255,.2),rgba(214,77,255,.14));display:grid;place-items:center;font-size:20px}
  .stat .sv{font-size:26px;font-weight:900}
  .stat .sl{color:var(--sub);font-size:13.5px}
  .rfgrid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
  .rvs{display:grid;gap:16px}
  .rv{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:22px;transition:transform .3s}
  .rv:hover{transform:scale(1.02)}
  .rv .top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
  .rv .av{width:44px;height:44px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-weight:800;font-size:17px;color:#fff}
  .rv .nm{font-weight:700;font-size:15px}
  .rv .jb{color:var(--sub);font-size:12.5px}
  .rv .stars{color:var(--warn);font-size:13px;margin-bottom:8px;letter-spacing:2px}
  .rv p{color:var(--txt);font-size:14px}
  .faq{display:grid;gap:12px}
  .fq{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden}
  .fq button{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;background:none;border:0;color:var(--gold);
    font-family:inherit;font-size:15px;font-weight:700;text-align:left;padding:18px 20px;cursor:pointer}
  .fq .ic{font-size:22px;color:var(--pri);transition:transform .3s;flex:0 0 auto}
  .fq.open .ic{transform:rotate(45deg)}
  .fq .ans{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--txt);font-size:14px}
  .fq.open .ans{max-height:220px}
  .fq .ans div{padding:0 20px 18px}
  .acgrid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
  .accard{background:var(--card);border:1px solid var(--line);border-radius:var(--radc);padding:24px}
  .accard .ic{width:46px;height:46px;border-radius:13px;background:linear-gradient(135deg,rgba(123,92,255,.22),rgba(214,77,255,.16));display:grid;place-items:center;font-size:22px;margin-bottom:12px}
  .accard h3{font-size:16px;margin-bottom:4px}
  footer{border-top:1px solid var(--line);background:var(--sec);padding:64px 0 30px}
  .fgrid5{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.4fr;gap:36px}
  .fcol h4{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--sub);margin-bottom:16px}
  .fcol a{display:block;color:var(--sub);font-size:14px;padding:6px 0;transition:color .2s;cursor:pointer}
  .fcol a:hover{color:#fff}
  .fbrand p{color:var(--sub);font-size:13.5px;margin:14px 0 16px;max-width:280px}
  .socials{display:flex;gap:10px}
  .socials a{width:38px;height:38px;border-radius:10px;background:var(--card);border:1px solid var(--line);display:grid;place-items:center;font-size:16px;transition:.25s}
  .socials a:hover{background:var(--grad);transform:translateY(-2px)}
  .news{display:flex;gap:8px;margin-top:6px}
  .news input{flex:1;background:var(--card);border:1px solid var(--line);border-radius:11px;color:#fff;padding:12px 14px;font-family:inherit;font-size:14px;outline:none}
  .news input:focus{border-color:var(--pri)}
  .news button{width:48px;flex:0 0 48px;border:0;border-radius:11px;background:var(--grad);color:#fff;font-size:17px;cursor:pointer}
  .copy{border-top:1px solid var(--line);margin-top:44px;padding-top:24px;text-align:center;color:var(--sub2);font-size:13px}
  .ov{display:none;position:fixed;inset:0;z-index:100;background:rgba(4,5,10,.74);backdrop-filter:blur(6px);align-items:center;justify-content:center;padding:16px}
  .ov.show{display:flex;animation:fade .2s ease}
  .mdl{background:var(--card);border:1px solid var(--line2);border-radius:20px;padding:28px;width:100%;max-width:410px;position:relative;animation:pop .25s cubic-bezier(.2,.9,.3,1.2)}
  .mdl .x{position:absolute;top:16px;right:18px;color:var(--sub);cursor:pointer;font-size:24px;line-height:1}
  .mdl h3{font-size:21px;margin-bottom:4px}
  .seg{display:flex;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:4px;margin:18px 0}
  .seg button{flex:1;border:0;background:transparent;color:var(--sub);font-family:inherit;font-weight:700;font-size:14px;padding:10px;border-radius:9px;cursor:pointer}
  .seg button.on{background:var(--grad);color:#fff}
  .fld{margin-top:14px}
  .fld label{font-size:12.5px;color:var(--sub);display:block;margin-bottom:6px}
  .fld input,.fld select{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:11px;color:#fff;padding:12px 13px;font-family:inherit;font-size:14px;outline:none}
  .fld input:focus,.fld select:focus{border-color:var(--pri)}
  .refban{background:rgba(123,92,255,.12);border:1px solid rgba(123,92,255,.32);color:#d9ccff;font-size:12.5px;padding:10px 13px;border-radius:10px;margin-top:14px}
  .msg{font-size:13px;margin-top:10px;min-height:18px}
  .qr{text-align:center}
  .qr img{width:216px;height:216px;background:#fff;border-radius:14px;object-fit:contain;margin:auto}
  .qr .amt{font-size:23px;font-weight:900;margin:14px 0 2px}
  .qr code{font-size:19px;font-weight:900;letter-spacing:2px;color:#d9ccff}
  .toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);z-index:200;background:#12141f;border:1px solid var(--line2);color:#fff;
    padding:13px 22px;border-radius:13px;font-size:14px;font-weight:600;box-shadow:0 20px 50px rgba(0,0,0,.6);opacity:0;pointer-events:none;transition:.3s}
  .toast.show{opacity:1;transform:translateX(-50%) translateY(-4px)}
  .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.8,.2,1),transform .7s cubic-bezier(.2,.8,.2,1)}
  .reveal.in{opacity:1;transform:none}
  @keyframes fade{from{opacity:0}to{opacity:1}}
  @keyframes pop{from{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:none}}
  @media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.wave span{animation:none}}
  @media(max-width:980px){.hgrid,.pgrid,.rfgrid{grid-template-columns:1fr;gap:40px}.fgrid,.pgrid4,.stats{grid-template-columns:repeat(2,1fr)}
    .fgrid5{grid-template-columns:1fr 1fr}.acgrid{grid-template-columns:1fr}}
  @media(max-width:640px){.wrap{padding:0 16px}section{padding:72px 0}.hero{padding:60px 0 50px}
    .fgrid,.pgrid4,.stats,.fgrid5{grid-template-columns:1fr}.mock .body{grid-template-columns:110px 1fr}}

/* ═══════════════ COMPONENT: TRIAL BANNER (dùng thử 99k) ═══════════════ */
.trial-banner{padding:20px 0 76px}
.tb-card{position:relative;display:grid;grid-template-columns:1.6fr 1fr;gap:32px;align-items:center;
  padding:38px 40px;border-radius:24px;overflow:hidden;
  background:linear-gradient(120deg,rgba(123,92,255,.16),rgba(214,77,255,.14));
  border:1px solid var(--line2);box-shadow:0 30px 80px -30px rgba(123,92,255,.5)}
.tb-card::before{content:"";position:absolute;inset:0;padding:1px;border-radius:24px;pointer-events:none;
  background:linear-gradient(120deg,var(--pri),var(--pri2));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:.55}
.tb-badge{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.4px;padding:6px 12px;border-radius:999px;
  background:rgba(214,77,255,.16);color:#F0C4FF;border:1px solid rgba(214,77,255,.35);margin-bottom:14px}
.tb-h{font-size:30px;line-height:1.18;margin:0 0 12px;font-weight:800}
.tb-price{background:linear-gradient(90deg,var(--pri),var(--pri2));-webkit-background-clip:text;background-clip:text;color:transparent}
.tb-sub{color:var(--sub);font-size:15px;line-height:1.6;margin:0 0 16px;max-width:560px}
.tb-feats{display:flex;flex-wrap:wrap;gap:8px 18px}
.tb-feats span{font-size:13.5px;color:var(--txt);opacity:.9}
.tb-right{text-align:center;padding:22px;border-radius:18px;background:rgba(9,10,17,.42);border:1px solid var(--line)}
.tb-old{font-size:13px;color:var(--sub2)}.tb-old s{color:var(--sub)}
.tb-now{font-size:46px;font-weight:900;line-height:1;margin:4px 0 2px;
  background:linear-gradient(90deg,var(--pri),var(--pri2));-webkit-background-clip:text;background-clip:text;color:transparent}
.tb-now span{font-size:22px}
.tb-note{font-size:13px;color:var(--sub);margin-bottom:16px}
.tb-cta{width:100%;font-size:16px;padding:13px 18px}
.tb-mini{font-size:11.5px;color:var(--sub2);margin-top:10px}
@media(max-width:900px){.tb-card{grid-template-columns:1fr;gap:24px;padding:30px 24px}.tb-h{font-size:24px}}