:root{
  --bg:#141413;--bg2:#1c1c1a;--bg3:#232321;--card:#262624;--line:rgba(250,249,245,.09);--line2:rgba(250,249,245,.16);
  --text:#faf9f5;--muted:#a8a69e;--dim:#75736c;
  --teal:#4fc0c5;--teal-d:#016a71;--violet:#d6d4cc;--amber:#c9c7bf;--coral:#e8e6df;--mint:#4fc0c5;
  --serif:'Source Serif 4',Georgia,serif;--sans:Inter,system-ui,sans-serif;--mono:'JetBrains Mono',ui-monospace,monospace;
  --ease:cubic-bezier(.2,.7,.2,1);--r:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:clip}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,p{margin:0}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;z-index:100;background:#fff;color:#000;padding:8px 12px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.wrap{max-width:1180px;margin:auto;padding:0 32px}
.eyebrow{font-size:13px;color:var(--muted);letter-spacing:.2px;margin-bottom:18px}
h2{font:400 clamp(34px,4.2vw,56px)/1.12 var(--serif);letter-spacing:-1.2px}
h2 span{color:var(--muted)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 20px;border-radius:10px;font-size:15px;font-weight:500;transition:background .25s,transform .25s var(--ease),border-color .25s}
.btn svg{width:17px;height:17px}
.btn.sm{height:38px;padding:0 15px;font-size:14px}
.btn.solid{background:var(--text);color:#141413}
.btn.solid:hover{background:#fff;transform:translateY(-1px)}
.btn.ghost{border:1px solid var(--line2);background:rgba(250,249,245,.03)}
.btn.ghost:hover{background:rgba(250,249,245,.08)}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(20,20,19,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.nav-in{max-width:1180px;margin:auto;padding:0 32px;display:flex;align-items:center;gap:28px}
.nav>.nav-in{height:72px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:20px;letter-spacing:-.4px}
.mark{width:24px;height:24px;color:var(--teal)}
.nav-links{display:flex;gap:26px;margin-left:auto;font-size:14px;color:#d6d4cc}
.nav-links a:hover{color:#fff}
.nav-cta{display:flex;gap:10px}
.menu{display:none}
.subnav .nav-in{height:42px;font-size:13px;color:var(--muted);border-bottom:1px solid var(--line)}
.subnav-progress{flex:1;height:1px;background:var(--line);position:relative}
.subnav-progress i{position:absolute;inset:0 auto 0 0;width:0;background:var(--teal);transition:width .1s linear}
.subnav-link:hover{color:var(--text)}

/* shared */
.av{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--c);color:#141413;font-size:10.5px;font-weight:600;flex:none}
.av.lg{width:44px;height:44px;border-radius:12px;font-size:14px}
.live{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--mint);margin-right:6px;animation:blink 1.6s infinite}
@keyframes blink{50%{opacity:.3}}
.in{opacity:0;transform:translateY(16px);filter:blur(6px);animation:enter 1s var(--ease) forwards;animation-delay:calc(var(--d)*.12s + .1s)}
@keyframes enter{to{opacity:1;transform:none;filter:none}}

/* statement */
.statement{padding:150px 32px 140px;max-width:1040px;margin:auto}
.lit{font:400 clamp(26px,3.1vw,42px)/1.32 var(--serif);letter-spacing:-.6px}
.lit .w{color:#3e3d39;transition:color .5s}
.lit .w.on{color:var(--text)}

/* features */
.features{position:relative;height:calc(7 * 85vh + 100vh);border-top:1px solid var(--line)}
.feat-wrap{height:100%}
.feat-sticky{position:sticky;top:114px;height:calc(100vh - 114px);max-width:1180px;margin:auto;padding:0 32px;display:grid;grid-template-columns:minmax(300px,.85fr) 1.15fr;gap:64px;align-items:center}
.feat-list{list-style:none;padding:0;margin:0}
.feat-list li{border-top:1px solid var(--line);position:relative}
.feat-list li:last-child{border-bottom:1px solid var(--line)}
.feat-list li::before{content:'';position:absolute;left:0;top:-1px;height:1px;width:0;background:var(--teal);transition:width .6s var(--ease)}
.feat-list li.active::before{width:100%}
.feat-list button{display:flex;gap:16px;width:100%;text-align:left;padding:13px 0;align-items:baseline}
.feat-list .num{font:12px var(--mono);color:var(--dim)}
.feat-list .t{font:400 19px/1.3 var(--serif);color:var(--dim);transition:color .4s}
.feat-list li.active .t,.feat-list button:hover .t{color:var(--text)}
.feat-list li.active .num{color:var(--teal)}
.feat-list p{display:grid;grid-template-rows:0fr;font-size:14.5px;color:var(--muted);padding-left:34px;max-height:0;overflow:hidden;opacity:0;transition:max-height .6s var(--ease),opacity .5s,padding .5s}
.feat-list li.active p{max-height:140px;opacity:1;padding-bottom:16px}
.feat-dots{display:none}
.feat-stage{position:relative;height:min(560px,72vh);border-radius:22px;background:radial-gradient(ellipse at 70% 0%,rgba(79,192,197,.09),transparent 60%),var(--bg2);border:1px solid var(--line);overflow:hidden}
.scene{position:absolute;inset:0;padding:34px;display:flex;flex-direction:column;justify-content:center;gap:18px;opacity:0;transform:translateY(20px) scale(.98);transition:opacity .6s var(--ease),transform .7s var(--ease);pointer-events:none}
.scene.active{opacity:1;transform:none;pointer-events:auto}
.scene .a{opacity:0;transform:translateY(10px)}
.scene.active .a{animation:pop .6s var(--ease) forwards;animation-delay:calc(var(--a)*.32s + .2s)}
@keyframes pop{to{opacity:1;transform:none}}
.scene-cap{text-align:center;font-size:13px;color:var(--muted)}

.win,.code{background:var(--card);border:1px solid var(--line2);border-radius:14px;overflow:hidden}
.win-bar{display:flex;align-items:center;gap:6px;padding:10px 14px;border-bottom:1px solid var(--line);font-size:12px;color:var(--dim)}
.win-bar i{width:9px;height:9px;border-radius:50%;background:#3a3a37}
.win-bar span{margin-left:8px}
.win-body{padding:18px;display:flex;flex-direction:column;gap:14px}
.bubble.user{align-self:flex-end;max-width:82%;background:#34342f;padding:11px 14px;border-radius:12px 12px 4px 12px;font-size:14px}
.steps{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:#d6d4cc}
.steps li{display:flex;align-items:center;gap:10px}
.steps em{color:var(--amber);font-style:normal}
.steps code{font:12px var(--mono);background:#1b1b19;padding:1px 6px;border-radius:5px}
.ck{width:16px;height:16px;border-radius:50%;border:1.5px solid var(--teal);position:relative;flex:none}
.scene.active .ck::after{content:'';position:absolute;inset:3px;border-radius:50%;background:var(--teal);transform:scale(0);animation:ck .3s .5s forwards}
@keyframes ck{to{transform:scale(1)}}
.files{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.file{display:flex;gap:10px;align-items:center;padding:10px;border-radius:10px;background:#1d1d1b;border:1px solid var(--line)}
.file b{display:block;font-size:13px;font-weight:500}.file small{font-size:11.5px;color:var(--dim)}
.ft{font:600 9.5px var(--mono);padding:9px 6px;border-radius:6px;color:#141413}
.ft.ppt{background:var(--coral)}.ft.xls{background:var(--mint)}

.devices{position:relative;display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;align-items:center}
.dev{background:var(--card);border:1px solid var(--line2);border-radius:12px;overflow:hidden;min-height:170px;position:relative;z-index:1}
.dev-bar{font-size:11px;color:var(--dim);padding:7px 10px;border-bottom:1px solid var(--line)}
.dev pre{margin:0;padding:10px;font:11px/1.7 var(--mono);white-space:pre-wrap;color:#d6d4cc}
.dev .p{color:var(--teal)}.dev .m{color:var(--dim)}.dev .g{color:var(--mint)}
.mini-chat{padding:14px 12px;display:flex;flex-direction:column;gap:8px}
.mini-chat i{height:8px;border-radius:4px;background:#3a3a36}
.mini-chat i.hl{background:color-mix(in srgb,var(--teal) 45%,#3a3a36)}
.tag{position:absolute;left:10px;bottom:10px;font-size:10.5px;color:var(--teal);border:1px solid color-mix(in srgb,var(--teal) 40%,transparent);padding:2px 7px;border-radius:20px}
.mini-review{padding:14px 12px;display:flex;flex-direction:column;gap:8px;font-size:12px}
.mini-review b{font-weight:500}
.pill-ok,.pill-no{font-size:11px;padding:5px 9px;border-radius:7px;text-align:center}
.pill-ok{background:var(--text);color:#141413}.pill-no{border:1px solid var(--line2);color:var(--muted)}
.scene.active .dev{animation:pop .6s var(--ease) both}
.scene.active .desk{animation-delay:.25s}.scene.active .web{animation-delay:.5s}
.sync{position:absolute;left:0;right:0;top:50%;height:120px;transform:translateY(-50%);width:100%;z-index:2;pointer-events:none}
.sync path{fill:none;stroke:color-mix(in srgb,var(--teal) 40%,transparent);stroke-dasharray:3 6}
.sync .token{fill:var(--teal);filter:drop-shadow(0 0 8px var(--teal))}

.orbit{position:relative;width:300px;height:300px;margin:0 auto}
.core{position:absolute;inset:105px;border-radius:50%;background:#1d1d1b;border:1px solid var(--line2);display:grid;place-items:center;color:var(--teal);text-align:center}
.core svg{width:34px;height:34px;margin-top:14px}.core small{font-size:9.5px;color:var(--muted);margin-top:-14px}
.ring{position:absolute;border-radius:50%;border:1px dashed var(--line2);animation:spin 40s linear infinite}
.ring.r1{inset:50px}.ring.r2{inset:0;animation-duration:64s;animation-direction:reverse}
.ring span{position:absolute;left:50%;top:50%;font-size:11.5px;padding:4px 9px;border-radius:20px;background:var(--card);border:1px solid var(--line2);white-space:nowrap;--n:4;--rad:100px;transform:translate(-50%,-50%) rotate(calc(var(--k)*360deg/var(--n))) translateY(calc(-1*var(--rad))) rotate(calc(var(--k)*-360deg/var(--n)))}
.ring.r2 span{--n:6;--rad:150px}
.ring span{animation:counter 40s linear infinite}
.ring.r2 span{animation:counter2 64s linear infinite}
@keyframes spin{to{rotate:360deg}}
@keyframes counter{to{rotate:-360deg}}
@keyframes counter2{to{rotate:360deg}}
.route{width:100%;max-width:420px;margin:0 auto;border-collapse:collapse;font-size:13px}
.route td{padding:6px 4px;border-bottom:1px solid var(--line);color:var(--muted)}
.route td:nth-child(2){color:var(--dim);width:24px}
.route b{color:var(--text);font-weight:500;margin-right:6px}.route small{color:var(--dim)}
.route .fb td{color:var(--amber);border:0;padding-top:10px;font-size:12.5px}

.debate{display:flex;flex-direction:column;gap:10px}
.msg{display:flex;gap:12px;padding:12px 14px;border-radius:12px;background:var(--card);border:1px solid var(--line)}
.msg b{font-size:12.5px;font-weight:500;color:var(--muted)}.msg p{font-size:14px;margin-top:2px}
.msg.crit{border-color:color-mix(in srgb,var(--coral) 45%,transparent);margin-left:28px}
.msg:nth-child(3){margin-left:14px}
.consensus{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.consensus i{flex:1;height:4px;border-radius:4px;background:var(--line);overflow:hidden}
.consensus i s{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--teal),var(--mint))}
.scene.active .consensus i s{animation:fill 1.2s 1.8s var(--ease) forwards}
@keyframes fill{to{width:100%}}
.consensus b{color:var(--mint);font-weight:500}.consensus em{font-style:normal;color:var(--amber)}

.role-card{background:var(--card);border:1px solid var(--line2);border-radius:16px;padding:20px}
.rc-head{display:flex;align-items:center;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.rc-head b{display:block;font-weight:500}.rc-head small{color:var(--dim);font-size:12px}
.rc-model{margin-left:auto;font-size:11.5px;color:var(--muted);border:1px solid var(--line2);padding:4px 9px;border-radius:20px}
.role-card dl{display:grid;grid-template-columns:90px 1fr;gap:10px 14px;margin:14px 0 0;font-size:13.5px}
.role-card dt{color:var(--dim)}.role-card dd{margin:0;color:#d6d4cc}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips span{font-size:12px;padding:2px 9px;border-radius:20px;background:#1d1d1b;border:1px solid var(--line)}
.scene.active .chips span{animation:pop .4s var(--ease) both}
.scene.active .chips span:nth-child(2){animation-delay:.1s}.scene.active .chips span:nth-child(3){animation-delay:.2s}.scene.active .chips span:nth-child(4){animation-delay:.3s}
.budget{display:inline-block;width:90px;height:5px;border-radius:5px;background:var(--line);vertical-align:middle;margin-right:8px;overflow:hidden}
.budget s{display:block;height:100%;width:0;background:var(--teal)}
.scene.active .budget s{animation:fill32 1.4s .6s var(--ease) forwards}
@keyframes fill32{to{width:32%}}
.compare{display:flex;flex-direction:column;gap:10px;font-size:12.5px;color:var(--muted)}
.compare>div{display:grid;grid-template-columns:100px 1fr;align-items:center;gap:12px}
.cmp{display:flex;flex-direction:column;gap:4px}
.cmp s{display:block;height:6px;border-radius:6px;width:0}
.cmp .gen{background:#4a4944}.cmp .spe{background:var(--teal)}
.scene.active .cmp s{animation:fillw 1.2s .8s var(--ease) forwards}
@keyframes fillw{to{width:var(--w)}}
.legend{font-size:11.5px;color:var(--dim);display:flex;align-items:center;gap:6px}
.legend span{width:10px;height:6px;border-radius:3px;display:inline-block}.lg-gen{background:#4a4944}.lg-spe{background:var(--teal);margin-left:10px}

.mem{position:relative;display:flex;flex-direction:column;gap:14px;padding-left:28px}
.mem-line{position:absolute;left:8px;top:6px;bottom:6px;width:1px;background:var(--line2)}
.mem-item{position:relative;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.mem-item::before{content:'';position:absolute;left:-25px;top:18px;width:9px;height:9px;border-radius:50%;background:var(--bg2);border:1.5px solid var(--teal)}
.mem-item time{font-size:11.5px;color:var(--dim)}.mem-item p{font-size:14px;margin-top:2px}
.saved{position:absolute;right:12px;top:12px;font-size:11px;color:var(--teal)}
.mem-item.now{border-color:color-mix(in srgb,var(--violet) 50%,transparent)}
.mem-item.now::before{background:var(--violet);border-color:var(--violet)}
.recall{margin-top:10px;font-size:12.5px;color:var(--muted);padding:8px 10px;border-radius:8px;background:color-mix(in srgb,var(--violet) 10%,transparent)}
.recall span{color:var(--violet);margin-right:8px}

.code .by{margin-left:auto;font-style:normal;color:var(--violet);font-size:11px}
.code pre{margin:0;padding:14px 16px;font:12px/1.75 var(--mono);color:#d6d4cc;min-height:200px;white-space:pre-wrap}
.code .k{color:var(--teal)}.code .s{color:var(--amber)}.code .c{color:var(--dim)}
.caret{display:inline-block;width:7px;height:14px;background:var(--teal);vertical-align:-2px;animation:blink 1s steps(1) infinite}
.conn-grid{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.conn-grid span{font-size:12.5px;padding:6px 12px;border-radius:9px;background:var(--card);border:1px solid var(--line)}
.conn-grid .new{border-color:var(--violet);color:var(--violet);opacity:0;transform:scale(.8);transition:all .6s var(--ease)}
.conn-grid .new.show{opacity:1;transform:none;box-shadow:0 0 24px -6px var(--violet)}
.conn-grid small{margin-left:6px;font-size:10px;background:var(--violet);color:#141413;padding:1px 5px;border-radius:5px}

/* use cases */
.usecases{padding:150px 0 120px;border-top:1px solid var(--line)}
.sec-head{margin-bottom:46px}
.uc-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:22px}
.uc-tabs button{padding:9px 16px;border-radius:30px;font-size:14px;color:var(--muted);border:1px solid var(--line);transition:all .3s}
.uc-tabs button[aria-selected=true]{background:var(--text);color:#141413;border-color:var(--text)}
.uc-tabs button:hover:not([aria-selected=true]){color:var(--text);border-color:var(--line2)}
.uc-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;background:var(--bg2);border:1px solid var(--line);border-radius:22px;padding:36px}
.uc-quote{font:400 clamp(24px,2.4vw,32px)/1.25 var(--serif);letter-spacing:-.5px}
.uc-prompt{margin-top:34px;padding:16px 18px;border-radius:14px;background:var(--card);border:1px solid var(--line)}
.lbl{font-size:12px;color:var(--dim)}
.uc-prompt p{font-size:14.5px;color:#d6d4cc;margin:6px 0 12px}
.uc-try{font-size:13.5px;color:var(--teal)}
.uc-flow{display:flex;flex-direction:column;gap:10px;justify-content:center}
.uc-step{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;background:var(--card);border:1px solid var(--line);opacity:0;transform:translateX(14px);animation:slide .55s var(--ease) forwards;animation-delay:calc(var(--i)*.12s)}
.uc-step b{font-weight:500;font-size:14px;display:block}.uc-step small{font-size:12.5px;color:var(--dim)}
.uc-step .st{margin-left:auto;font-size:11.5px;color:var(--mint)}
.uc-step.hm{border-style:dashed;border-color:color-mix(in srgb,var(--amber) 45%,transparent)}
.uc-step.hm .st{color:var(--text)}
@keyframes slide{to{opacity:1;transform:none}}
.uc-panel.swap .uc-left{animation:fadeup .5s var(--ease)}
@keyframes fadeup{from{opacity:0;transform:translateY(8px)}}

/* proof */
.proof{padding:40px 0 140px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat{padding:34px 24px}
.stat+.stat{border-left:1px solid var(--line)}
.stat b{display:block;font:400 52px/1 var(--serif);letter-spacing:-1.5px}
.stat span{font-size:13.5px;color:var(--muted)}
.quote{margin:100px auto 0;max-width:860px;text-align:center}
.quote blockquote{margin:0;font:400 clamp(22px,2.4vw,32px)/1.38 var(--serif);letter-spacing:-.4px}
.quote figcaption{display:inline-flex;align-items:center;gap:12px;margin-top:28px;text-align:left}
.quote b{display:block;font-weight:500;font-size:14px}.quote small{font-size:12.5px;color:var(--dim)}

/* library */
.library{padding:130px 0;background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.lib-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.lib-col h3{font:500 15px var(--sans);padding-bottom:14px;border-bottom:1px solid var(--line2);margin-bottom:6px}
.lib-col ul{list-style:none;padding:0;margin:0}
.lib-col li{padding:12px 0;border-bottom:1px solid var(--line);font-size:13.5px;color:var(--muted)}
.lib-col li b{display:block;color:var(--text);font-weight:500;font-size:14.5px}

/* faq */
.faq{padding:130px 0}
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}
.faq-list details{border-top:1px solid var(--line)}
.faq-list details:last-child{border-bottom:1px solid var(--line)}
.faq-list summary{list-style:none;cursor:pointer;padding:22px 40px 22px 0;font:400 20px/1.35 var(--serif);position:relative}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:'+';position:absolute;right:4px;top:18px;font:300 24px var(--sans);color:var(--muted);transition:transform .35s var(--ease)}
.faq-list details[open] summary::after{transform:rotate(45deg)}
.faq-list p{color:var(--muted);padding-bottom:22px;max-width:620px;animation:fadeup .4s var(--ease)}

/* closing */
.closing{position:relative;padding:130px 0 0;text-align:center;overflow:hidden}
.closing h2{margin-bottom:36px}
.ask{max-width:720px;margin:auto;display:flex;gap:10px;align-items:flex-end;background:var(--bg2);border:1px solid var(--line2);border-radius:16px;padding:12px;text-align:left;transition:border-color .3s,box-shadow .3s}
.ask:focus-within{border-color:color-mix(in srgb,var(--teal) 60%,transparent);box-shadow:0 0 0 4px rgba(79,192,197,.1)}
.ask textarea{flex:1;resize:none;background:none;border:0;color:var(--text);font:15px/1.5 var(--sans);padding:8px;outline:none}
.ask textarea::placeholder{color:var(--dim)}
.wordmark{font:400 clamp(110px,22vw,320px)/1 var(--serif);letter-spacing:-8px;color:rgba(250,249,245,.04);margin-top:90px;margin-bottom:-.18em;user-select:none}

.footer{border-top:1px solid var(--line);padding:26px 0;font-size:13px;color:var(--dim)}
.foot-in{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.foot-in nav{display:flex;gap:20px;margin-left:auto}
.foot-in a:hover{color:var(--text)}
.motion-toggle{font-size:12.5px;color:var(--muted);border:1px solid var(--line);padding:6px 11px;border-radius:8px}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.visible{opacity:1;transform:none}

/* paused / reduced motion */
.paused *,.paused *::before,.paused *::after{animation-play-state:paused!important}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .in,.reveal{opacity:1;transform:none;filter:none}
}

/* responsive */
@media (max-width:1000px){
  .nav-links{display:none}
  .feat-sticky{grid-template-columns:1fr;gap:20px;align-content:center}
  .feat-list li:not(.active){display:none}
  .feat-list li.active{border:0}
  .feat-list li.active::before{display:none}
  .feat-dots{display:flex;gap:6px;margin-top:6px}
  .feat-dots i{width:22px;height:3px;border-radius:3px;background:var(--line2);transition:background .3s}
  .feat-dots i.on{background:var(--teal)}
  .feat-stage{height:min(460px,56vh)}
  .scene{padding:20px}
  .lib-grid{grid-template-columns:1fr 1fr}
  .uc-panel{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr;gap:20px}
}
@media (max-width:720px){
  .wrap,.nav-in{padding:0 20px}
  .nav-cta .ghost{display:none}
  .feat-stage{height:min(500px,62vh)}
  .scene{gap:12px}
  .debate .msg:nth-child(4),.scene .compare,.mem-item:nth-child(3){display:none}
  .msg{padding:10px 12px}.msg p{font-size:13px}
  .msg.crit{margin-left:14px}.msg:nth-child(3){margin-left:6px}
  .role-card dl{grid-template-columns:72px 1fr;font-size:12.5px}
  .rc-model{display:none}
  .code pre{min-height:0;font-size:10.5px}
  .files{grid-template-columns:1fr}
  .devices{grid-template-columns:1fr}.dev{min-height:auto}.sync{display:none}
  .orbit{transform:scale(.78);margin:-30px auto}
  .stats{grid-template-columns:1fr 1fr}.stat:nth-child(3){border-left:0}.stat:nth-child(n+3){border-top:1px solid var(--line)}
  .lib-grid{grid-template-columns:1fr}
  .uc-panel{padding:22px}
  .statement{padding:100px 20px}
  .ask{flex-direction:column;align-items:stretch}
}
@media (max-width:720px){.consensus{flex-wrap:wrap;gap:6px 10px}.consensus i{flex-basis:100%;order:3}}

.uc-step .orb{--s:30px}.uc-step.hm{border-color:rgba(250,249,245,.25)}
.ft.ppt,.ft.xls{background:#e8e6df}

/* =========================================================
   v4 · Borderless sections (below hero)
   Phân tách bằng khoảng trắng + bề mặt tông xám, không dùng đường kẻ.
   Surfaces: page #141413 → panel #1a1a19 → card #232321 → raised #2b2b29
   ========================================================= */
:root{--s1:#1a1a19;--s2:#232321;--s3:#2b2b29}

/* section dividers */
.features,.usecases,.library,.footer{border:0}
.library{background:var(--s1)}
.footer{background:var(--s1)}

/* feature list: không kẻ ngang, dùng chỉ báo teal bên trái */
.feat-list li,.feat-list li:last-child{border:0}
.feat-list li::before{top:14px;left:-18px;width:2px;height:0;border-radius:2px;transition:height .5s var(--ease)}
.feat-list li.active::before{width:2px;height:calc(100% - 28px)}
.feat-list button{padding:11px 0}

/* stage + cards inside scenes */
.feat-stage{border:0;background:radial-gradient(ellipse at 70% 0%,rgba(79,192,197,.07),transparent 60%),var(--s1)}
.win,.code,.dev,.role-card{border:0;background:var(--s2);box-shadow:0 24px 60px -30px rgba(0,0,0,.7)}
.win-bar,.dev-bar{border:0;background:rgba(0,0,0,.18)}
.file,.chips span,.conn-grid span,.ring span,.core{border:0;background:var(--s3)}
.file{background:#1d1d1c}
.msg,.mem-item{border:0;background:var(--s2)}
.msg.crit{border:0;background:var(--s3);box-shadow:inset 2px 0 0 #faf9f5}
.mem-item.now{border:0;background:var(--s3);box-shadow:inset 2px 0 0 var(--teal)}
.mem-item::before{border:0;background:var(--dim)}
.mem-item.now::before{background:var(--teal)}
.mem-line{background:rgba(250,249,245,.08)}
.recall{background:rgba(79,192,197,.08)}
.rc-head{border:0;padding-bottom:6px}
.role-card dl{margin-top:16px}
.rc-model,.pill-no{border:0;background:var(--s3)}
.tag{border:0;background:rgba(79,192,197,.12)}
.route td{border:0;padding:8px 4px}
.route tr:not(.fb) td{background:rgba(250,249,245,.025)}
.route tr:not(.fb) td:first-child{border-radius:8px 0 0 8px;padding-left:12px}
.route tr:not(.fb) td:last-child{border-radius:0 8px 8px 0}
.route{border-collapse:separate;border-spacing:0 5px}
.ring{border-color:rgba(250,249,245,.07)}
.conn-grid .new{border:0;background:rgba(79,192,197,.14);color:var(--teal);box-shadow:none}
.conn-grid .new.show{box-shadow:none}
.conn-grid small{background:var(--teal)}

/* use cases */
.uc-tabs button{border:0;background:var(--s2)}
.uc-tabs button:hover:not([aria-selected=true]){background:var(--s3)}
.uc-tabs button[aria-selected=true]{background:var(--text)}
.uc-panel{border:0;background:var(--s1)}
.uc-prompt,.uc-step{border:0;background:var(--s2)}
.uc-step.hm{border:0;background:var(--s3);box-shadow:inset 2px 0 0 #faf9f5}

/* stats: ô tông xám thay cho lưới kẻ */
.stats{border:0;gap:12px}
.stat,.stat+.stat{border:0;background:var(--s1);border-radius:18px;padding:30px 26px}

/* capability library */
.lib-grid{gap:16px}
.lib-col{background:var(--s2);border-radius:18px;padding:24px 22px 12px}
.lib-col h3{border:0;padding-bottom:6px;margin-bottom:4px;color:var(--teal);font-size:13px;letter-spacing:.2px}
.lib-col li{border:0;padding:10px 0}

/* FAQ: khối bo góc, không kẻ */
.faq-list{display:flex;flex-direction:column;gap:8px}
.faq-list details,.faq-list details:last-child{border:0;background:var(--s1);border-radius:16px;padding:0 22px;transition:background .3s}
.faq-list details[open]{background:var(--s2)}
.faq-list summary{padding:20px 40px 20px 0}
.faq-list p{padding-bottom:20px}

/* closing ask + footer */
.ask{border:0;background:var(--s2)}
.ask:focus-within{border:0;box-shadow:0 0 0 2px rgba(79,192,197,.45)}
.motion-toggle{border:0;background:var(--s2)}

@media (max-width:720px){
  .stat:nth-child(3),.stat:nth-child(n+3){border:0}
  .stats{gap:8px}
  .feat-list li::before{left:-12px}
}

/* =========================================================
   v5 · Header lines full-width (như claude.com)
   Đường kẻ & thanh tiến độ trải hết chiều ngang trang, nội dung vẫn canh 1180px.
   ========================================================= */
.nav>.nav-in,.subnav .nav-in{border-bottom:0}
.nav>.nav-in{height:72px}
.nav{border-bottom:1px solid var(--line)}
.subnav{position:relative;border-top:1px solid var(--line)}
.nav{border-bottom:0}
.subnav .nav-in{justify-content:space-between}
.subnav-progress{position:absolute;left:0;right:0;bottom:-1px;height:1px;flex:none;background:var(--line)}
.subnav-progress i{background:var(--teal);box-shadow:0 0 8px rgba(79,192,197,.6)}

/* =========================================================
   v6 · Wider page (theo claude.com) + menu "Khám phá"
   ========================================================= */
:root{--page:1440px;--gutter:clamp(20px,4vw,64px);--hdr:114px}
.wrap,.nav-in,.feat-sticky{max-width:calc(var(--page) + var(--gutter)*2);padding-left:var(--gutter);padding-right:var(--gutter)}
.statement{max-width:1200px;padding-left:var(--gutter);padding-right:var(--gutter)}
.feat-sticky{grid-template-columns:minmax(340px,.8fr) 1.2fr;gap:clamp(48px,6vw,110px)}
.feat-stage{height:min(620px,74vh)}
.uc-panel{padding:44px}
.quote{max-width:980px}
.ask{max-width:820px}
section[id]{scroll-margin-top:var(--hdr)}

/* subnav */
.subnav-title{display:flex;align-items:center;gap:10px}
.subnav-cur{color:var(--text);opacity:0;transform:translateY(4px);transition:opacity .35s,transform .35s var(--ease)}
.subnav-cur.on{opacity:1;transform:none}
.subnav-cur::before{content:'/';color:var(--dim);margin-right:10px}
.explore{position:relative}
.subnav-link{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 4px;color:var(--muted);transition:color .2s}
.subnav-link:hover,.subnav-link[aria-expanded=true]{color:var(--text)}
.subnav-link svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;transition:transform .3s var(--ease)}
.subnav-link[aria-expanded=true] svg{transform:rotate(180deg)}
.explore-menu{position:absolute;right:-8px;top:calc(100% + 10px);width:290px;padding:8px;border-radius:16px;background:var(--s2);box-shadow:0 30px 80px -20px rgba(0,0,0,.8);
  display:flex;flex-direction:column;gap:2px;opacity:0;visibility:hidden;transform:translateY(-6px) scale(.98);transform-origin:top right;transition:opacity .22s,transform .3s var(--ease),visibility 0s .3s;z-index:60}
.explore.open .explore-menu{opacity:1;visibility:visible;transform:none;transition:opacity .22s,transform .3s var(--ease)}
.explore-menu a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;font-size:14px;color:#d6d4cc;transition:background .2s,color .2s}
.explore-menu a span{font:11px var(--mono);color:var(--dim);width:18px}
.explore-menu a:hover,.explore-menu a:focus-visible{background:var(--s3);color:var(--text)}
.explore-menu a.cur{color:var(--text)}
.explore-menu a.cur span{color:var(--teal)}
.explore-menu a.cur::after{content:'';margin-left:auto;width:6px;height:6px;border-radius:50%;background:var(--teal)}
@media (max-width:720px){
  .subnav-cur{display:none}
  .explore-menu{position:fixed;left:12px;right:12px;width:auto;top:126px}
}

/* =========================================================
   v7 · Bỏ vạch nhấn bên trái + Bảng giá
   ========================================================= */
/* trạng thái đặc biệt: chỉ dùng tông nền + nhãn, không viền/vạch */
.uc-step.hm,.msg.crit,.mem-item.now{box-shadow:none}
.uc-step.hm{background:var(--s3)}
.uc-step.hm .st{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:20px;background:rgba(250,249,245,.1);color:var(--text);font-size:12px}
.uc-step.hm .st::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--teal);animation:blink 1.4s infinite}
.msg.crit{background:var(--s3)}
.mem-item.now{background:rgba(79,192,197,.08)}
.feat-list li::before{display:none}
.feat-list .num{transition:color .3s}
.feat-list li.active .num{color:var(--teal)}
.btn.ghost{border:0;background:var(--s2)}
.btn.ghost:hover{background:var(--s3)}
.btn.soft{background:var(--s3);color:var(--text)}
.btn.soft:hover{background:#343432}

/* pricing */
.pricing{padding:150px 0 130px}
.pr-head{text-align:center;max-width:760px;margin:0 auto 56px}
.pr-head .h2,.pr-head h2{margin:0 auto}
.pr-sub{color:var(--muted);font-size:16px;line-height:1.6;margin:18px auto 30px;max-width:560px}
.pr-tabs{position:relative;display:inline-flex;padding:4px;border-radius:12px;background:var(--s1)}
.pr-tabs button{position:relative;z-index:1;height:38px;padding:0 20px;border-radius:9px;font-size:14px;color:var(--muted);transition:color .3s;min-width:140px}
.pr-tabs button[aria-selected=true]{color:var(--text)}
.pr-tabs-ind{position:absolute;top:4px;bottom:4px;left:4px;width:calc(50% - 4px);border-radius:9px;background:var(--s3);transition:transform .45s var(--ease)}
.pr-tabs.g2 .pr-tabs-ind{transform:translateX(100%)}
.pr-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:stretch}
.pr-grid.swap .pc{animation:pcIn .6s var(--ease) both}
.pr-grid.swap .pc:nth-child(2){animation-delay:.07s}.pr-grid.swap .pc:nth-child(3){animation-delay:.14s}
@keyframes pcIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.pc{display:flex;flex-direction:column;border-radius:22px;background:var(--s1);overflow:hidden;transition:transform .4s var(--ease)}
.pc:hover{transform:translateY(-3px)}
.pc.hl{background:radial-gradient(120% 60% at 50% 0%,rgba(79,192,197,.12),transparent 60%),var(--s2)}
.pc-band{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:40px;padding:0 24px;font-size:12.5px;color:var(--muted);background:rgba(0,0,0,.16)}
.pc-band span{color:var(--text);font-weight:500}
.pc.hl .pc-band span{color:var(--teal)}
.pc-band small{display:inline-flex;align-items:center;gap:5px;font-size:10.5px;letter-spacing:.6px;text-transform:uppercase;color:var(--dim)}
.pc-band svg,.pc-feat svg{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.pc-band small svg{width:12px;height:12px}
.pc-body{display:flex;flex-direction:column;flex:1;padding:26px 26px 26px}
.pc-name{display:flex;align-items:center;justify-content:space-between}
.pc-name h3{font:600 22px/1 var(--sans);letter-spacing:-.4px}
.pc-name h3 span{font-weight:400;color:var(--muted);margin-left:2px}
.pc-name em{font-style:normal;font-size:11.5px;padding:4px 10px;border-radius:20px;background:rgba(79,192,197,.14);color:var(--teal)}
.pc-desc{color:var(--muted);font-size:14px;line-height:1.55;margin:12px 0 26px;min-height:44px}
.pc-price{display:flex;align-items:flex-end;gap:10px;min-height:56px;padding-bottom:24px;margin-bottom:22px;background:linear-gradient(90deg,rgba(250,249,245,.08),rgba(250,249,245,.08)) bottom/100% 1px no-repeat}
.pc-price b{font:400 52px/1 var(--serif);letter-spacing:-1.5px}
.pc-price s{color:var(--dim);font-size:16px;align-self:flex-start;margin-top:4px}
.pc-price small{font-size:12px;line-height:1.4;color:var(--dim);padding-bottom:5px}
.pc-inc{font-size:13.5px;font-weight:500;margin-bottom:12px}
.pc-feat{display:flex;flex-direction:column;gap:11px;font-size:14px;color:var(--muted)}
.pc-feat li{display:flex;align-items:flex-start;gap:11px}
.pc-feat svg{width:16px;height:16px;flex:none;margin-top:2px;color:var(--dim)}
.pc-feat li.k{color:var(--text)}
.pc-feat li.k svg{color:var(--teal)}
.pc-feat .flip{animation:flip .45s var(--ease)}
@keyframes flip{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
.pc-win{margin-top:auto;padding-top:24px}
.pc-win>span{display:block;font-size:10.5px;letter-spacing:1px;text-transform:uppercase;color:var(--dim);margin-bottom:9px}
.seg{position:relative;display:grid;grid-template-columns:1fr 1fr;padding:3px;border-radius:10px;background:rgba(0,0,0,.25)}
.seg button{position:relative;z-index:1;height:32px;font-size:13px;color:var(--muted);transition:color .3s}
.seg button[aria-checked=true]{color:var(--text);font-weight:500}
.seg i{position:absolute;top:3px;bottom:3px;left:3px;width:calc(50% - 3px);border-radius:8px;background:var(--s3);transition:transform .4s var(--ease)}
.seg:has(button:last-of-type[aria-checked=true]) i{transform:translateX(100%)}
.pc-win small{display:block;font-size:11.5px;color:var(--dim);margin-top:8px}
.pc-cta{width:100%;justify-content:center;margin-top:22px}
.pr-ent{display:flex;align-items:center;justify-content:space-between;gap:30px;margin-top:16px;padding:26px 30px;border-radius:22px;background:var(--s1)}
.pr-ent b{font:400 24px var(--serif)}
.pr-ent p{color:var(--muted);font-size:14px;line-height:1.55;margin-top:6px;max-width:720px}
.pr-note{text-align:center;color:var(--dim);font-size:12.5px;margin-top:26px}
@media (max-width:1000px){.pr-grid{grid-template-columns:1fr;max-width:520px;margin:auto}.pc-desc{min-height:0}}
@media (max-width:720px){
  .pricing{padding:100px 0 90px}
  .pr-tabs button{min-width:0;padding:0 16px}
  .pr-ent{flex-direction:column;align-items:flex-start;padding:24px}
  .pc-price b{font-size:44px}
}
.pc-feat{list-style:none;padding:0;margin:0}
.pc-desc{min-height:48px}
.pc-band:empty{background:transparent}
.pc-price{min-height:62px}
.pr-ent p{max-width:820px}
.pr-tabs{margin-top:34px}

/* =========================================================
   v8 · Giải pháp theo phòng ban: "Một ngày làm việc"
   Layout theo claude.com: trục thời gian | nội dung | cửa sổ ứng dụng xếp lớp + dock
   ========================================================= */
.usecases.ws{padding:140px 0 0}
.ws-intro{margin-bottom:10px}
.ws-track{position:relative;height:300vh}
.ws-sticky{position:sticky;top:var(--hdr);height:calc(100vh - var(--hdr));display:flex;flex-direction:column;justify-content:center;gap:34px;padding:20px 0 26px;overflow:hidden}
.ws-grid{display:grid;grid-template-columns:110px minmax(280px,.72fr) 1.5fr;gap:clamp(24px,3.5vw,60px);align-items:start;width:100%}

/* trục thời gian */
.ws-rail{position:relative;height:min(480px,52vh);margin-top:8px;list-style:none;padding:0}
.ws-rail .tick{position:absolute;left:14px;width:10px;height:1px;background:rgba(250,249,245,.12)}
.ws-rail .lbl{position:absolute;left:0;transform:translateY(-50%)}
.ws-rail .lbl button{display:flex;align-items:center;gap:10px;font:500 12px var(--mono);color:var(--dim);padding:4px 0;transition:color .3s}
.ws-rail .lbl button::before{content:'';width:22px;height:1px;background:rgba(250,249,245,.22);transition:background .3s,width .3s var(--ease)}
.ws-rail .lbl.on button{color:var(--text)}
.ws-rail .lbl.on button::before{background:var(--text);width:28px}
.ws-rail .lbl button:hover{color:var(--text)}
.ws-dot{position:absolute;left:-4px;width:7px;height:7px;margin-top:-3.5px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(79,192,197,.16);transition:top .7s var(--ease);z-index:1}

/* nội dung */
.ws-copy{padding-top:0}
.ws-chips{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-bottom:14px}
.ws-chips span{font:500 11.5px var(--mono);color:var(--teal)}
.ws-dept{position:relative;display:block;margin-bottom:20px}
.ws-dept-btn{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 12px 0 14px;border-radius:9px;background:var(--s2);font-size:13.5px;color:var(--muted);transition:background .2s}
.ws-dept-btn b{font-weight:500;color:var(--text)}
.ws-dept-btn:hover{background:var(--s3)}
.ws-dept-btn svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;transition:transform .3s var(--ease)}
.ws-dept.open .ws-dept-btn svg{transform:rotate(180deg)}
.ws-dept-menu{position:absolute;left:0;top:40px;min-width:200px;padding:6px;border-radius:12px;background:var(--s2);box-shadow:0 24px 60px -20px rgba(0,0,0,.8);list-style:none;z-index:20;
  opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity .2s,transform .3s var(--ease),visibility 0s .3s}
.ws-dept.open .ws-dept-menu{opacity:1;visibility:visible;transform:none;transition:opacity .2s,transform .3s var(--ease)}
.ws-dept-menu li{padding:9px 12px;border-radius:8px;font-size:14px;color:#d6d4cc;cursor:pointer}
.ws-dept-menu li:hover{background:var(--s3)}
.ws-dept-menu li[aria-selected=true]{color:var(--text)}
.ws-dept-menu li[aria-selected=true]::after{content:'';float:right;margin-top:7px;width:6px;height:6px;border-radius:50%;background:var(--teal)}
.ws-text{transition:opacity .26s,transform .35s var(--ease)}
.ws-text.out{opacity:0;transform:translateY(8px)}
.ws-text h3{font:400 clamp(28px,2.6vw,38px)/1.14 var(--serif);letter-spacing:-.7px;margin-bottom:18px}
.ws-text p{font-size:16px;line-height:1.7;color:var(--muted);max-width:400px}
.ws-text u{text-decoration:none;color:var(--text);background:linear-gradient(currentColor,currentColor) 0 100%/100% 1px no-repeat;padding-bottom:1px}

/* sân khấu */
.ws-stage{position:relative;padding-top:34px}
.ws-back{position:absolute;left:50%;translate:-50% 0;height:40px;border-radius:14px 14px 0 0;transition:transform .7s var(--ease),background .7s}
.ws-back.b1{top:0;width:88%;background:#2f3a3a}
.ws-back.b2{top:16px;width:95%;background:#34322f}
.ws-stage[data-mo="1"] .ws-back.b1{transform:translateY(4px)}
.ws-stage[data-mo="2"] .ws-back.b2{transform:translateY(-3px)}
.ws-canvas{position:relative;border-radius:18px;padding:clamp(22px,3.2vw,44px);aspect-ratio:16/10.3;max-height:calc(100vh - 340px);min-height:380px;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(80% 90% at 85% 10%,rgba(79,192,197,.22),transparent 60%),radial-gradient(70% 80% at 0% 100%,rgba(250,249,245,.06),transparent 60%),#1f2626;overflow:hidden}
.ws-canvas::before{content:'';position:absolute;inset:0;background:repeating-radial-gradient(circle at 110% -10%,transparent 0 46px,rgba(250,249,245,.035) 47px 48px);pointer-events:none}
.ws-win{position:relative;width:100%;height:100%;display:flex;flex-direction:column;border-radius:12px;background:#f4f3ee;color:#1f1e1c;box-shadow:0 30px 70px -24px rgba(0,0,0,.65);overflow:hidden;transition:opacity .26s,transform .4s var(--ease)}
.ws-win.out{opacity:0;transform:translateY(10px) scale(.985)}
.ws-win svg{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.wb{display:flex;align-items:center;gap:10px;height:38px;padding:0 14px;background:#141413;color:#faf9f5;font-size:12.5px;flex:none}
.wb-ic{display:grid;place-items:center;width:20px;height:20px;border-radius:5px;background:var(--teal);color:#0d2b2d}
.wb-ic svg{width:13px;height:13px}
.wb-by{margin-left:auto;display:inline-flex;align-items:center;gap:7px;font-size:11.5px;color:#a8a69e}
.wb-by::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--teal);animation:blink 1.4s infinite}
.wbody{flex:1;min-height:0;overflow:hidden;position:relative}
.wfoot{display:flex;justify-content:space-between;height:28px;align-items:center;padding:0 14px;font-size:11px;color:#75736c;background:#ebe9e2;flex:none}
.ws-in{opacity:0;transform:translateY(6px);animation:wsIn .5s var(--ease) forwards;animation-delay:calc(.25s + var(--d) * .32s)}
@keyframes wsIn{to{opacity:1;transform:none}}

/* sheet */
.ws-sheet{width:100%;border-collapse:collapse;font-size:12.5px}
.ws-sheet th{background:#e6e4dc;color:#55534d;font-weight:500;text-align:left;padding:8px 10px;white-space:nowrap}
.ws-sheet td{padding:9px 10px;border-bottom:1px solid #e6e4dc;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}
.ws-sheet td:first-child,.ws-sheet th:first-child{width:28px;color:#a8a69e;text-align:center;background:#ecebe5}
.ws-sheet td:last-child{color:#016a71;font-weight:500}
.ws-sheet tr.flag td{background:rgba(79,192,197,.12)}
.ws-sheet tr.flag td:last-child{color:#1f1e1c}
/* chat */
.ws-chat{display:flex;flex-direction:column;gap:10px;padding:16px 18px}
.ws-chat .cm{display:flex;gap:11px;align-items:flex-start;max-width:88%}
.ws-chat .cm .orb{--s:28px;flex:none}
.ws-chat .cm b{font-size:12px;color:#55534d;font-weight:600}
.ws-chat .cm p{font-size:13.5px;line-height:1.5;margin-top:2px}
.ws-chat .cm.crit{margin-left:24px;padding:10px 12px;border-radius:10px;background:#e8e6df}
.ws-chat .typing p{display:flex;gap:4px;padding-top:6px}
.ws-chat .typing p span{width:5px;height:5px;border-radius:50%;background:#a8a69e;animation:blink 1.2s infinite}
.ws-chat .typing p span:nth-child(2){animation-delay:.2s}.ws-chat .typing p span:nth-child(3){animation-delay:.4s}
/* doc */
.ws-doc{display:grid;grid-template-columns:168px 1fr;height:100%}
.ws-doc aside{background:#ebe9e2;padding:14px 10px;display:flex;flex-direction:column;gap:2px;font-size:12px;color:#55534d}
.ws-doc aside small{font-size:10px;letter-spacing:1px;color:#016a71;font-weight:600;padding:0 8px 6px;display:block}
.ws-doc aside .ws-in{padding:6px 8px;border-radius:6px}
.ws-doc aside .on{background:#dcefee;color:#016a71}
.ws-doc article{padding:20px 30px;font-size:13px;line-height:1.55;overflow:hidden;background:#fff}
.ws-doc .meta{font-size:12.5px;color:#3a3936;padding-bottom:12px;margin-bottom:14px;background:linear-gradient(#e6e4dc,#e6e4dc) bottom/100% 1px no-repeat}
.ws-doc h4{font:700 20px/1.2 var(--sans);letter-spacing:-.3px;margin-bottom:8px}
.ws-doc p{color:#3a3936;margin-bottom:12px}
.ws-doc table{width:100%;border-collapse:collapse;font-size:12px}
.ws-doc th{background:#e6e4dc;text-align:left;padding:7px 9px;font-weight:600}
.ws-doc td{padding:7px 9px;border-bottom:1px solid #ecebe5}
/* mail */
.ws-mail{display:flex;flex-direction:column;height:100%;background:#fff}
.ws-mail .row{display:flex;gap:14px;padding:11px 20px;font-size:13px;border-bottom:1px solid #ecebe5}
.ws-mail .row span{width:52px;color:#75736c;flex:none}
.ws-mail .mbody{padding:16px 20px;font-size:13.5px;line-height:1.6;color:#3a3936;flex:1}
.ws-mail .mbody p{margin-bottom:10px}
.ws-mail .atts{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}
.ws-mail .att{display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border-radius:8px;background:#f0efe9;font-size:12px}
.ws-mail .att svg{width:14px;height:14px;color:#016a71}
.ws-mail .mfoot{display:flex;align-items:center;gap:12px;padding:12px 20px}
.ws-mail .send{padding:7px 14px;border-radius:8px;background:#141413;color:#faf9f5;font-size:12.5px}
.ws-mail .draft{font-size:12px;color:#75736c}
/* code */
.ws-code{display:grid;grid-template-rows:1fr auto;height:100%;background:#1a1a19;color:#d6d4cc}
.ws-code pre{margin:0;padding:16px 0;font:12.5px/1.75 var(--mono);overflow:hidden}
.ws-code .ln{padding:0 18px;white-space:pre}
.ws-code .ln i{display:inline-block;width:18px;font-style:normal;color:#75736c}
.ws-code .add{background:rgba(79,192,197,.12);color:#e9f7f7}.ws-code .add i{color:var(--teal)}
.ws-code .del{background:rgba(250,249,245,.04);color:#75736c;text-decoration:line-through}
.ws-code .term{padding:12px 18px;background:#121211;font:12px/1.8 var(--mono);color:#a8a69e}
.ws-code .term .sum{color:var(--teal)}
.ws-win[data-type=code] .wfoot{background:#121211;color:#75736c}

/* nút dưới sân khấu */
.ws-actions{display:flex;gap:8px;margin-top:14px}
.ws-act{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 13px;border-radius:9px;background:var(--s2);font-size:13px;color:#d6d4cc;transition:background .2s}
.ws-act:hover{background:var(--s3);color:var(--text)}
.ws-act svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
#wsReplay:active svg{transform:rotate(-200deg);transition:transform .4s}

/* dock */
.ws-dock{align-self:center;display:flex;gap:6px;padding:8px;border-radius:18px;background:var(--s1)}
.ws-app{position:relative;display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--s2);color:var(--dim);opacity:.35;transition:opacity .4s,transform .4s var(--ease),background .4s,color .4s}
.ws-app svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.ws-app i{position:absolute;bottom:-6px;left:50%;width:4px;height:4px;margin-left:-2px;border-radius:50%;background:var(--muted);opacity:0;transition:opacity .3s}
.ws-app.used{opacity:1;color:var(--muted)}
.ws-app.used i{opacity:.6}
.ws-app.on{background:var(--s3);color:var(--text);transform:translateY(-4px)}
.ws-app.on i{opacity:1;background:var(--teal)}
.ws-rex{background:var(--teal)!important;color:#0d2b2d!important}
.ws-rex svg{fill:currentColor;stroke:none;width:20px;height:20px}

@media (max-width:1180px){.ws-grid{grid-template-columns:90px .8fr 1.4fr}.ws-doc{grid-template-columns:130px 1fr}}
@media (max-width:900px){
  .ws-track{height:auto}
  .ws-sticky{position:relative;top:0;height:auto;padding:30px 0 70px;overflow:visible}
  .ws-grid{grid-template-columns:1fr;gap:26px}
  .ws-rail{display:none}
  .ws-canvas{aspect-ratio:auto;height:440px;max-height:none;min-height:0;padding:16px}
  .ws-doc{grid-template-columns:1fr}.ws-doc aside{display:none}
  .ws-dock{flex-wrap:wrap;justify-content:center;margin:0 16px;gap:4px}
  .ws-app{width:38px;height:38px}
  .ws-sheet td:nth-child(4),.ws-sheet th:nth-child(4),.ws-sheet td:nth-child(5),.ws-sheet th:nth-child(5){display:none}
}
@media (prefers-reduced-motion:reduce){.ws-in{animation:none;opacity:1;transform:none}}

/* v8.1 · cửa sổ: nền ngoài trùng màu thanh tiêu đề để mép bo không bị viền sáng; cắt bằng clip-path */
.ws-win{background:#141413;overflow:visible;clip-path:inset(0 round 12px);box-shadow:none;filter:drop-shadow(0 26px 40px rgba(0,0,0,.45))}
.wb{background:#141413;border-radius:0}
.wbody{background:#f4f3ee}
.ws-win[data-type=code] .wbody{background:#1a1a19}
.ws-win[data-type=doc] .wbody,.ws-win[data-type=mail] .wbody{background:#fff}
/* dock: logo RexAPF */
.ws-rex svg{width:22px;height:22px;fill:currentColor;stroke:none}
.ws-rex{background:var(--s3)!important;color:var(--teal)!important}

/* v8.2 · trục thời gian: vạch đều nhau, khoảng cách hẹp, sáng dần theo cuộn */
.ws-rail{height:auto;display:flex;flex-direction:column;gap:9px;margin-top:4px;padding:0}
.ws-rail .rt{position:relative;display:flex;align-items:center;height:2px;list-style:none}
.ws-rail .rt i{display:block;width:22px;height:1px;background:rgba(250,249,245,.13);transition:background .35s,box-shadow .35s}
.ws-rail .rt.lit i{background:rgba(250,249,245,.62)}
.ws-rail .rt.mk.lit i{background:var(--text)}
.ws-rail .rt.on i{background:var(--teal);box-shadow:0 0 6px rgba(79,192,197,.55)}
.ws-rail .rt button{position:absolute;left:34px;top:50%;transform:translateY(-50%);font:500 11.5px var(--mono);color:var(--dim);padding:4px 0;white-space:nowrap;transition:color .3s}
.ws-rail .rt button::before{display:none}
.ws-rail .rt.lit button{color:var(--muted)}
.ws-rail .rt.on button{color:var(--text)}
.ws-rail .rt button:hover{color:var(--text)}
.ws-rail .rt.mk.on i{background:var(--teal);width:28px;box-shadow:0 0 6px rgba(79,192,197,.55)}

/* =========================================================
   v8.3 · Trục thời gian cân đối + xấp trang "lật" theo mốc giờ
   ========================================================= */
/* trục: trải theo chiều cao sân khấu */
.ws-grid{align-items:stretch}
.ws-rail{justify-content:space-between;gap:0;height:min(560px,calc(100vh - 330px));margin-top:6px}
.ws-rail .rt i{width:20px}
.ws-rail .rt.mk i{width:26px}
.ws-rail .rt.mk.on i{width:32px}
.ws-rail .rt button{left:40px}

/* =========================================================
   v8.6 · Xấp trang: một khối duy nhất, chỉ animate transform + opacity
   - Mỗi trang là một lớp GPU riêng; nền, bóng, bo góc cố định (không transition).
   - Độ "sâu" của lớp sau thể hiện bằng một lớp phủ (.pg-tint) chỉ đổi opacity.
   - Trang đã qua bị "xé" và ném sang phải; trang kế tiến lên cùng một nhịp.
   ========================================================= */
.ws-stage{padding-top:58px}
.ws-pages{position:relative;height:min(560px,calc(100vh - 330px));min-height:380px;isolation:isolate}
.ws-page{position:absolute;inset:0;border-radius:18px;padding:clamp(22px,3.2vw,44px);display:flex;overflow:hidden;
  background:radial-gradient(80% 90% at 85% 10%,rgba(79,192,197,.22),transparent 60%),radial-gradient(70% 80% at 0% 100%,rgba(250,249,245,.06),transparent 60%),#1f2626;
  box-shadow:0 -8px 22px -14px rgba(0,0,0,.6);
  transform-origin:50% 0;transform:translate3d(0,0,0);
  transition:transform .8s cubic-bezier(.4,0,.2,1),opacity .5s ease;
  will-change:transform;backface-visibility:hidden}
.ws-page::before{content:'';position:absolute;inset:0;background:repeating-radial-gradient(circle at 110% -10%,transparent 0 46px,rgba(250,249,245,.035) 47px 48px);pointer-events:none}
.ws-page .ws-win{flex:1;position:relative;z-index:1;transition:opacity .35s ease}
/* lớp phủ tạo tông cho các trang phía sau */
.pg-tint{position:absolute;inset:0;z-index:2;background:#5f8783;opacity:0;pointer-events:none;transition:opacity .6s ease}
/* trang hiện tại */
.ws-page[data-k="0"]{transform:translate3d(0,0,0)}
/* các trang chờ phía sau: lộ mép trên, nhỏ dần, sáng dần */
.ws-page[data-k="1"]{transform:translate3d(0,-22px,0) scale(.955)}
.ws-page[data-k="2"]{transform:translate3d(0,-42px,0) scale(.91)}
.ws-page[data-k="1"] .pg-tint{opacity:.55}
.ws-page[data-k="2"] .pg-tint{opacity:.9}
.ws-page.idle{pointer-events:none}
.ws-page.idle .ws-win{opacity:0}
/* trang đã qua: ném sang phải, xoay nhẹ, mờ dần ở nửa sau quãng bay */
.ws-page[data-k="gone"]{transform:translate3d(112%,56px,0) rotate(11deg);opacity:0;pointer-events:none;
  transition:transform .8s cubic-bezier(.45,0,.2,1),opacity .35s ease .4s}
/* cửa sổ: bỏ drop-shadow (filter) vì vẽ lại mỗi khung hình; dùng box-shadow tĩnh */
.ws-win{filter:none;box-shadow:0 24px 50px -24px rgba(0,0,0,.55)}
/* hiệu ứng hiện từng dòng chỉ chạy trên trang đang "play" */
.ws-page:not(.play) .ws-in{animation:none;opacity:1;transform:none}
.ws-page.idle .ws-in{opacity:0}
/* đổi phòng ban: cả xấp nhẹ nhàng hiện lại */
.ws-pages.swap{animation:pgIn .55s var(--ease) both}
@keyframes pgIn{from{opacity:0;transform:translate3d(0,14px,0)}to{opacity:1;transform:none}}

.ws-back,.ws-canvas{display:none}

@media (max-width:900px){
  .ws-stage{padding-top:46px}
  .ws-pages{height:460px;min-height:0}
  .ws-page{padding:16px}
}
@media (prefers-reduced-motion:reduce){
  .ws-page,.ws-page[data-k="gone"]{transition:opacity .3s}
  .ws-page[data-k="gone"]{transform:none}
}

/* v8.6 · hiệu năng: dừng animation lặp ngoài màn hình và trên các trang đang nằm phía sau */
.rx-off *,.rx-off *::before,.rx-off *::after,
.ws-page.idle *,.ws-page.idle *::before,.ws-page.idle *::after,
.ws-page[data-k="gone"] *,.ws-page[data-k="gone"] *::before,.ws-page[data-k="gone"] *::after{animation-play-state:paused!important}
/* lớp con đổi opacity được tách thành layer riêng → không vẽ lại cả trang mỗi khung hình */
.ws-page .ws-win,.pg-tint{will-change:opacity}
.ws-pages{contain:layout}
.ws-text{will-change:opacity,transform}
.ws-page.prep .ws-in{animation:none;opacity:0}

/* =========================================================
   v8.7 · Trục thời gian theo claude.com: vạch dài bằng nhau, sáng dần + chấm tròn chạy theo cuộn
   ========================================================= */
.ws-rail{position:relative;padding-left:16px}
.ws-rail .rt i,.ws-rail .rt.mk i,.ws-rail .rt.mk.on i,.ws-rail .rt.on i{width:16px;box-shadow:none}
.ws-rail .rt i{background:rgba(250,249,245,.12);transition:background .3s ease}
.ws-rail .rt.lit i{background:rgba(250,249,245,.55)}
.ws-rail .rt.mk.lit i,.ws-rail .rt.on i,.ws-rail .rt.mk.on i{background:var(--text)}
.ws-rail .rt button{left:30px;font-size:11px;letter-spacing:.3px;color:var(--dim)}
.ws-rail .rt.lit button{color:var(--muted)}
.ws-rail .rt.on button{color:var(--text);font-weight:600}
/* chấm tròn: nằm bên trái vạch, chỉ di chuyển bằng transform */
.rt-dot{position:absolute;left:2px;top:0;width:6px;height:6px;margin-top:-3px;border-radius:50%;background:var(--text);
  box-shadow:0 0 0 3px rgba(250,249,245,.08);pointer-events:none;will-change:transform;transition:transform .12s linear}
.rt-dot.jump{transition:transform .5s var(--ease)}
@media (prefers-reduced-motion:reduce){.rt-dot,.rt-dot.jump{transition:none}}

/* =========================================================
   v8.9 · Khối thoáng hơn + trục thời gian căn giữa theo xấp trang
   ========================================================= */
.usecases.ws{padding:160px 0 140px}
.ws-sticky{--pg-top:58px;--pg-h:min(540px,calc(100vh - var(--hdr) - 300px));padding:64px 0 56px;gap:40px}
.ws-pages{height:var(--pg-h);min-height:340px}
/* trục: cùng chiều cao với xấp trang, thụt 32px mỗi đầu, nằm giữa theo chiều dọc */
.ws-rail{align-self:start}
@media (max-width:900px){.usecases.ws{padding:110px 0 80px}.ws-sticky{padding:30px 0 70px}}

/* =========================================================
   v9 · Bỏ thanh tiến trình trên header (nền xen kẽ đã thử và hoàn lại)
   ========================================================= */
/* bỏ phần chạy màu teal, giữ đường kẻ đáy header */
.subnav-progress i{display:none}

/* =========================================================
   v9.1 · Footer dạng danh mục liên kết (theo claude.com)
   ========================================================= */
.closing{padding-bottom:150px}
.footer{background:var(--bg);border-top:1px solid var(--line);padding:84px 0 0;font-size:13.5px;color:var(--muted)}
.site-ft{display:grid;grid-template-columns:minmax(240px,1fr) 2.6fr;gap:clamp(32px,5vw,80px);align-items:start}
.ft-brand .brand{display:inline-flex;align-items:center;gap:10px;font:500 26px var(--sans);color:var(--text);letter-spacing:-.3px}
.ft-brand .brand .mark{width:30px;height:30px;color:var(--teal)}
.ft-ask{margin-top:30px;max-width:300px;display:flex;align-items:center;gap:8px;padding:6px 6px 6px 14px;border:1px solid var(--line2);border-radius:12px;background:var(--bg2);transition:border-color .2s}
.ft-ask:focus-within{border-color:rgba(79,192,197,.55)}
.ft-ask input{flex:1;min-width:0;background:none;border:0;outline:none;color:var(--text);font:13.5px var(--sans);padding:8px 0}
.ft-ask input::placeholder{color:var(--dim)}
.ft-ask button{flex:none;width:30px;height:30px;display:grid;place-items:center;border-radius:8px;background:var(--teal);color:#0d1f20}
.ft-ask button svg{width:15px;height:15px}
.ft-cols{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.fg+.fg{margin-top:38px}
.fg h3{font:400 13px var(--sans);color:var(--dim);margin:0 0 14px}
.fg ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.fg a{color:var(--text);opacity:.88;transition:opacity .2s,color .2s}
.fg a:hover{opacity:1;color:var(--teal)}
.ft-bot{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:80px;padding-top:22px;padding-bottom:30px;color:var(--dim);position:relative;font-size:12.5px}
@media (max-width:1000px){.site-ft{grid-template-columns:1fr}.ft-cols{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:40px}}
@media (max-width:520px){.ft-cols{column-gap:20px}.ft-ask{max-width:none}.closing{padding-bottom:100px}.footer{padding-top:60px}}
@media (max-width:340px){.ft-cols{grid-template-columns:1fr}}
/* đường kẻ dòng bản quyền nằm trong khung nội dung (không ăn vào padding) */
.ft-bot::before{content:'';position:absolute;top:0;left:var(--gutter,32px);right:var(--gutter,32px);height:1px;background:var(--line)}

/* =========================================================
   v9.3 · Bảng giá lấy từ /api/public/plans (số thẻ theo cấu hình admin)
   ========================================================= */
.pr-tabs[hidden]{display:none}
.pr-grid[data-n="1"]{grid-template-columns:minmax(0,420px);justify-content:center}
.pr-grid[data-n="2"]{grid-template-columns:repeat(2,minmax(0,420px));justify-content:center}
.pc-skel{min-height:560px;border-radius:22px;background:linear-gradient(100deg,var(--s1) 30%,var(--s2) 50%,var(--s1) 70%);background-size:300% 100%;animation:pcSkel 1.4s linear infinite}
@keyframes pcSkel{to{background-position:-150% 0}}
.pr-empty{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:16px;padding:60px 20px;border-radius:22px;background:var(--s1);color:var(--muted)}
@media (max-width:1000px){.pr-grid[data-n="2"]{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){.pc-skel{animation:none}}

/* =========================================================
   v10 · Mobile (≤900px): "Vì sao là RexAPF" và "Giải pháp theo phòng ban"
   xếp dọc như claude.com trên mobile, bỏ cuộn dính và xấp trang.
   ========================================================= */
.wsm,.featm{display:none}
@media (max-width:900px){
  /* --- Vì sao là RexAPF: danh sách dọc, mỗi mục kèm thẻ minh hoạ --- */
  .features{height:auto;padding:84px 0 40px}
  .feat-sticky{position:static;height:auto;display:block;padding:0 20px}
  .feat-stage,.feat-dots,.feat-list{display:none}
  .featm{display:block}
  .feat-copy .eyebrow{margin-bottom:22px}
  .featm-item{padding-bottom:56px}
  .featm-item h3{display:flex;gap:12px;align-items:baseline;font:400 26px/1.2 var(--serif);letter-spacing:-.4px}
  .featm-item h3 .num{font:12px var(--mono);color:var(--teal);flex:none}
  .featm-item>p{padding-top:12px;font-size:15.5px;line-height:1.65;color:var(--muted)}
  .featm-card{position:relative;margin-top:22px;border-radius:20px;overflow:hidden;
    background:radial-gradient(ellipse at 70% 0%,rgba(79,192,197,.08),transparent 60%),var(--s1)}
  /* thẻ cao theo nội dung: không có khung cố định nên không tràn */
  .featm-card .scene{position:relative;inset:auto;padding:18px;justify-content:flex-start;pointer-events:auto}
  .featm-card .devices{grid-template-columns:1fr;gap:10px}
  .featm-card .dev{min-height:0}
  .featm-card .sync{display:none}

  /* --- Giải pháp theo phòng ban: ô chọn phòng ban dính + 3 mốc xếp dọc --- */
  .usecases.ws{padding:84px 0 40px}
  .ws-track{display:none}
  .wsm{display:block}
  .wsm-bar{position:sticky;top:var(--hdr);z-index:6;padding:12px 20px;background:rgba(20,20,19,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
  .wsm-dept{position:relative;display:inline-block}
  .wsm-btn{display:inline-flex;align-items:center;gap:6px;height:42px;padding:0 14px;border-radius:10px;background:var(--s2);font-size:15px;color:var(--muted);transition:background .2s}
  .wsm-btn b{font-weight:500;color:var(--text)}
  .wsm-btn svg{width:12px;height:12px;margin-left:4px;fill:none;stroke:currentColor;stroke-width:1.6;transition:transform .25s var(--ease)}
  .wsm-btn:active,.wsm-dept.open .wsm-btn{background:var(--s3)}
  .wsm-dept.open .wsm-btn svg{transform:rotate(180deg)}
  .wsm-menu{position:absolute;left:0;top:calc(100% + 8px);width:min(280px,calc(100vw - 40px));max-height:min(60vh,420px);overflow:auto;margin:0;padding:6px;list-style:none;
    border-radius:14px;background:var(--s2);border:1px solid var(--line2);box-shadow:0 24px 60px -18px rgba(0,0,0,.85);outline:none;
    opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .15s,transform .2s var(--ease),visibility 0s .2s}
  .wsm-dept.open .wsm-menu{opacity:1;visibility:visible;transform:none;transition:opacity .15s,transform .25s var(--ease)}
  .wsm-menu li{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;border-radius:10px;font-size:16px;color:#d6d4cc;cursor:pointer;-webkit-tap-highlight-color:transparent}
  .wsm-menu li.hi,.wsm-menu li:active{background:var(--s3)}
  .wsm-menu li[aria-selected=true]{color:var(--text);font-weight:500}
  .wsm-menu li[aria-selected=true]::after{content:'';width:7px;height:7px;border-radius:50%;background:var(--teal)}
  .wsm-list{padding:20px 20px 0}
  .wsm-item{padding-bottom:56px}
  .wsm-time{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:12px}
  .wsm-time span{font:500 12px var(--mono);color:var(--teal)}
  .wsm-item h3{font:400 26px/1.2 var(--serif);letter-spacing:-.4px;margin-bottom:12px}
  .wsm-desc{font-size:15.5px;line-height:1.65;color:var(--muted)}
  .wsm-desc u{text-decoration:none;color:var(--text);background:linear-gradient(currentColor,currentColor) 0 100%/100% 1px no-repeat;padding-bottom:1px}
  .wsm-card{margin-top:22px;padding:18px;border-radius:20px;
    background:radial-gradient(80% 90% at 85% 10%,rgba(79,192,197,.22),transparent 60%),radial-gradient(70% 80% at 0% 100%,rgba(250,249,245,.06),transparent 60%),#1f2626}
  .wsm-card .ws-win{height:360px;filter:none;box-shadow:0 20px 40px -22px rgba(0,0,0,.6)}
  .wsm-card:not(.play) .ws-in{animation:none;opacity:0}
  .wsm-card .ws-doc{grid-template-columns:1fr}.wsm-card .ws-doc aside{display:none}
  .wsm-card .ws-sheet td:nth-child(4),.wsm-card .ws-sheet th:nth-child(4),.wsm-card .ws-sheet td:nth-child(5),.wsm-card .ws-sheet th:nth-child(5){display:none}
  .wsm-cta{margin:0 0 20px}
}
@media (max-width:900px) and (prefers-reduced-motion:reduce){.wsm-card:not(.play) .ws-in{opacity:1}}
@media (max-width:380px){.wsm-card .ws-win{height:340px}.featm-item h3,.wsm-item h3{font-size:23px}}
@media (max-width:900px){
  /* bảng đối soát vừa khung: cột diễn giải co lại (…), cột trạng thái luôn thấy đủ */
  .wsm-card .ws-sheet{width:100%;table-layout:fixed}
  .wsm-card .ws-sheet th:nth-child(1),.wsm-card .ws-sheet td:nth-child(1){width:30px;padding-left:8px;padding-right:4px}
  .wsm-card .ws-sheet th:nth-child(2),.wsm-card .ws-sheet td:nth-child(2){width:58px;padding-left:6px;padding-right:6px}
  .wsm-card .ws-sheet th:nth-child(6),.wsm-card .ws-sheet td:nth-child(6){width:96px}
  .wsm-card .ws-sheet td{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
}

/* v10.3 · Tab bảng giá: hai tab luôn rộng bằng nhau để thanh nền active (50%) khớp đúng tab, kể cả trên mobile */
.pr-tabs{display:inline-grid;grid-auto-flow:column;grid-auto-columns:1fr}
.pr-tabs button{min-width:140px;padding:0 20px;white-space:nowrap}
@media (max-width:720px){.pr-tabs button{min-width:132px;padding:0 14px}}

/* v10.4 · Bỏ lớp "nháy" xanh khi chạm trên mobile (tap highlight mặc định của Chrome/Android, Safari iOS).
   Thay bằng phản hồi nhấn nhẹ; viền focus khi dùng bàn phím (:focus-visible) giữ nguyên. */
html{-webkit-tap-highlight-color:transparent}
*,*::before,*::after{-webkit-tap-highlight-color:transparent}
@media (hover:none){
  a,button,summary,[role=button],[role=option],[role=tab]{touch-action:manipulation}
  :is(a,button,summary,[role=button],[role=tab]):active{opacity:.72;transition:opacity 0s}
}