:root{--bg:#05070d;--bg2:#0b1020;--fg:#eaf0ff;--mute:#8a94b0;--line:#ffffff17;--a:#3b82ff;--v:#22d3ee;--r:18px;
 --f:'Be Vietnam Pro',system-ui,sans-serif;--h:'Space Grotesk','Be Vietnam Pro',sans-serif;--m:'JetBrains Mono',ui-monospace,monospace}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--fg);font:16px/1.65 var(--f);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
h1,h2,h3{font-family:var(--h);font-weight:700;line-height:1.05;letter-spacing:-.02em}
h2{font-size:clamp(32px,4.4vw,54px)}
.wrap{width:min(1200px,100% - 32px);margin:auto}.narrow{width:min(820px,100% - 32px)}
.a{color:var(--a)}.mute{color:var(--mute);margin-top:18px}
.tag{display:inline-block;font:500 12px/1 var(--m);letter-spacing:.08em;text-transform:uppercase;color:var(--a);margin-bottom:16px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 24px;border-radius:99px;background:var(--a);color:#05070d;font-weight:600;transition:transform .2s}
.btn:hover{transform:translateY(-2px)}.btn.ghost{background:none;color:var(--fg);border:1px solid #ffffff38}.btn.sm{padding:10px 18px;font-size:14px}
section{padding:120px 0;position:relative}

/* nav */
.nav{position:fixed;inset:0 0 auto;z-index:50;backdrop-filter:blur(14px);background:#05070db3;border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:28px;height:68px}
.logo{font:700 22px var(--h);letter-spacing:-.02em}.logo b{color:var(--a)}
.nav ul{display:flex;gap:26px;list-style:none;margin-left:auto;font-size:14px;color:var(--mute)}.nav ul a:hover{color:var(--fg)}
.menu-t{display:none;background:none;border:0;color:var(--fg);font-size:24px;cursor:pointer}
@media(max-width:860px){.nav ul{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;padding:20px 16px;background:var(--bg);border-bottom:1px solid var(--line)}.nav ul.open{display:flex}.menu-t{display:block}.nav .btn{margin-left:auto}}

/* ============ STORY ============ */
.story{height:640vh;padding:0}
.stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;perspective:1700px}
.glow{position:absolute;inset:0;background:radial-gradient(60% 50% at 50% 60%,#22d3ee2e,transparent 70%),radial-gradient(30% 30% at 50% 75%,#3b82ff14,transparent 70%);pointer-events:none}
.intro{position:absolute;top:92px;left:0;right:0;text-align:center;z-index:5;padding:0 16px;transition:opacity .4s,transform .4s}
.intro h1{font-size:clamp(34px,4.6vw,64px)}
.intro p{color:var(--mute);margin-top:14px;font-size:clamp(15px,1.4vw,19px)}.intro b{color:var(--fg)}
.hint{display:inline-block;margin-top:14px;font:12px var(--m);color:var(--mute);animation:bob 1.8s infinite}
@keyframes bob{50%{transform:translateY(6px)}}
.stage.scrolled .intro{opacity:0;transform:translateY(-30px);pointer-events:none}

.caps{position:absolute;inset:0;pointer-events:none;z-index:6}
.cap{position:absolute;top:50%;width:min(340px,30vw);opacity:0;transform:translateY(-40%);transition:opacity .5s,transform .5s;pointer-events:none}
.cap.on{opacity:1;transform:translateY(-50%);pointer-events:auto}
.cap[data-s="1"],.cap[data-s="3"]{right:max(16px,4vw)}.cap[data-s="2"],.cap[data-s="4"]{left:max(16px,4vw)}
.cap h2{font-size:clamp(28px,3vw,44px)}.cap p{color:var(--mute);margin-top:14px}.cap small{display:block;margin-top:10px;color:#6c6c7c;font-size:12px}
/* intro side panels */
.cap.side{top:62%;width:min(270px,20vw)}
.cap.side.l{left:max(16px,4vw)}.cap.side.r{right:max(16px,4vw)}
.kpi{display:flex;align-items:center;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}
.kpi b{font:700 44px/1 var(--h);min-width:104px;white-space:nowrap;letter-spacing:-.03em}.kpi small{font-size:16px;color:var(--a);margin-left:3px}
.kpi span{font-size:13px;color:var(--mute);line-height:1.45}
.build{padding:20px;border:1px solid var(--line);border-radius:16px;background:#0b1020cc;backdrop-filter:blur(8px)}
.bh{display:flex;align-items:center;gap:8px;font:500 13px var(--m);color:var(--fg);margin-bottom:12px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--a)}
@keyframes pulse{50%{opacity:.3}}
.build ol{list-style:none;font-size:14px;color:#5f5f6e}.build li{padding:5px 0 5px 24px;position:relative;transition:color .3s}
.build li::before{content:'';position:absolute;left:2px;top:11px;width:10px;height:10px;border-radius:50%;border:1px solid #444}
.build li.done{color:var(--mute)}.build li.done::before{background:var(--a);border-color:var(--a)}
.build li.run{color:var(--fg)}.build li.run::before{border-color:var(--a);border-width:2px}
.meter{height:3px;margin-top:14px;border-radius:3px;background:#ffffff14;overflow:hidden}.meter i{display:block;height:100%;background:var(--a);transform-origin:0 50%;transform:scaleX(.4);transition:transform .3s}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chips li{padding:6px 12px;border:1px solid var(--line);border-radius:99px;font-size:12px;color:var(--mute)}
@media(max-width:1100px){.cap.side{display:none}}
.lnk{display:inline-block;margin-top:16px;color:var(--a);font-weight:600}
.prog{position:absolute;left:50%;bottom:22px;width:140px;height:2px;margin-left:-70px;background:#ffffff1c;border-radius:2px;z-index:6}
.prog i{display:block;height:100%;width:0;background:var(--a);border-radius:2px}

/* MacBook (CSS 3D) */
.scene{position:absolute;inset:0;display:grid;place-items:center;transform-style:preserve-3d}
.rig{--mw:min(1080px,62vw,calc(100svh * 1.15));width:var(--mw);position:relative;transform-style:preserve-3d;will-change:transform;
 transform:translate(var(--tx,0),var(--ty,12vh)) rotateX(var(--rx,-24deg)) rotateY(var(--ry,0deg)) scale(var(--sc,.9))}
.hinge{position:relative;width:100%;height:0;transform-style:preserve-3d}
/* lid */
.lid{position:absolute;left:0;bottom:0;width:100%;height:calc(var(--mw) * .64);transform-origin:50% 100%;transform-style:preserve-3d;
 transform:rotateX(-90deg);transition:transform 1.8s cubic-bezier(.6,.05,.2,1);--t:calc(var(--mw) * .009)}
.lid.open{transform:rotateX(-6deg)}
.lid-front,.lid-back{position:absolute;inset:0;border-radius:calc(var(--mw) * .028) calc(var(--mw) * .028) calc(var(--mw) * .006) calc(var(--mw) * .006);backface-visibility:hidden}
.lid-front{background:#050507;padding:calc(var(--mw) * .018) calc(var(--mw) * .018) calc(var(--mw) * .028);
 box-shadow:inset 0 0 0 1px #3a3b42,inset 0 0 0 calc(var(--mw) * .003) #1b1c21}
.lid-front::after{content:"";position:absolute;left:0;right:0;bottom:calc(var(--mw) * .006);text-align:center;font:500 calc(var(--mw) * .011) var(--f);color:#6b6d76;content:"VTECH Book Pro"}
.lid-back{transform:translateZ(calc(var(--t) * -1)) rotateY(180deg);display:grid;place-items:center;
 background:linear-gradient(calc(150deg + var(--ryn,0) * 4deg),#d9dbe1,#a3a6ae 45%,#8b8e96 70%,#b9bbc2)}
.logo-b{font:700 calc(var(--mw) * .07) var(--h);color:#ffffffb0}
.lid-edge{position:absolute;left:calc(var(--mw) * .01);right:calc(var(--mw) * .01);top:0;height:var(--t);transform-origin:50% 0;transform:rotateX(90deg);background:linear-gradient(#cfd1d7,#8e9199)}
.bezel{position:relative;width:100%;height:100%}
.cam{position:absolute;top:calc(var(--mw) * -.012);left:50%;width:calc(var(--mw) * .007);aspect-ratio:1;transform:translateX(-50%);border-radius:50%;background:radial-gradient(circle at 35% 35%,#3b4a6b,#0a0a0d 60%)}
.screen{position:relative;width:100%;height:100%;overflow:hidden;background:#000;border-radius:2px}
.vp{position:absolute;left:0;top:0;width:1440px;height:900px;transform-origin:0 0;transform:scale(var(--s,.5));font-family:var(--f)}
.screen::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:9;
 background:linear-gradient(calc(115deg + var(--ryn,0) * 2deg),transparent 30%,#ffffff14 calc(46% + var(--ryn,0) * 1.2%),#ffffff05 calc(52% + var(--ryn,0) * 1.2%),transparent 62%)}

/* base */
.base{position:absolute;left:-1.5%;top:0;width:103%;height:calc(var(--mw) * .62);transform-origin:50% 0;transform:rotateX(90deg);transform-style:preserve-3d;--T:calc(var(--mw) * .02);
 background:linear-gradient(calc(180deg + var(--ryn,0) * 3deg),#c9cbd1,#b4b7be 40%,#a2a5ad);border-radius:calc(var(--mw) * .008) calc(var(--mw) * .008) calc(var(--mw) * .035) calc(var(--mw) * .035);
 box-shadow:inset 0 0 0 1px #ffffff40}
.base::after{content:"";position:absolute;inset:0 0 40% 0;border-radius:inherit;pointer-events:none;background:radial-gradient(60% 100% at 50% 0,#9a8cff22,transparent 70%)}
.floor{position:absolute;inset:-4% -3% -8%;transform:translateZ(calc(var(--T) * -1 - 2px));background:radial-gradient(closest-side,#000d,#0006 60%,transparent);filter:blur(18px);border-radius:40px}
.e-front{position:absolute;left:calc(var(--mw) * .03);right:calc(var(--mw) * .03);bottom:0;height:var(--T);transform-origin:50% 100%;transform:rotateX(90deg);background:linear-gradient(#8f929a,#5f6269)}
.e-left,.e-right{position:absolute;top:calc(var(--mw) * .008);bottom:calc(var(--mw) * .03);width:var(--T);background:linear-gradient(90deg,#6c6f77,#9a9da5)}
.e-left{left:0;transform-origin:0 50%;transform:rotateY(90deg)}.e-right{right:0;transform-origin:100% 50%;transform:rotateY(-90deg)}
.hingebar{position:absolute;left:12%;right:12%;top:0;height:calc(var(--mw) * .012);background:linear-gradient(#111,#2b2c31 60%,#55575d);border-radius:0 0 6px 6px}
.deck{display:flex;gap:calc(var(--mw) * .012);margin-top:calc(var(--mw) * .03);padding:0 calc(var(--mw) * .012)}
.spk{width:calc(var(--mw) * .06);background-image:radial-gradient(#4d5057 32%,transparent 36%);background-size:calc(var(--mw) * .006) calc(var(--mw) * .006);opacity:.8;border-radius:4px}
.kb{flex:1;display:flex;flex-direction:column;gap:calc(var(--mw) * .004);background:#2a2b30;padding:calc(var(--mw) * .005);border-radius:calc(var(--mw) * .008);box-shadow:inset 0 2px 4px #0009,0 1px 0 #ffffff50}
.kb .row{display:flex;gap:calc(var(--mw) * .004)}
.kb i{display:block;height:calc(var(--mw) * .03);border-radius:calc(var(--mw) * .003);background:linear-gradient(#1c1d22,#101115);box-shadow:inset 0 1px 0 #ffffff1a,0 1px 1px #000a;transition:background .1s}
.kb .row:first-child i{height:calc(var(--mw) * .016)}
.kb i.on{background:linear-gradient(#8fb8ff,#3b82ff)}
.pad{width:44%;height:calc(var(--mw) * .21);margin:calc(var(--mw) * .022) auto 0;border-radius:calc(var(--mw) * .012);
 background:linear-gradient(calc(170deg + var(--ryn,0) * 3deg),#b9bcc3,#a7aab1);box-shadow:inset 0 0 0 1px #00000026,inset 0 1px 0 #ffffff40}
.notch{position:absolute;left:50%;bottom:0;width:12%;height:calc(var(--mw) * .007);transform:translateX(-50%);background:linear-gradient(#8a8d94,#6d7077);border-radius:8px 8px 0 0}

/* ---- screen pages (1440x900 virtual) ---- */
.pg{position:absolute;inset:0;opacity:0;transition:opacity .6s;pointer-events:none}.pg.on{opacity:1}
.pg-code{background:#1e1e1e;color:#d4d4d4;display:flex;flex-direction:column;font-family:var(--m)}
.vs-top{height:36px;background:#323233;display:flex;align-items:center;gap:8px;padding:0 14px;font-size:13px;color:#ccc}
.vs-top span{margin:auto}
.vs-top i,.tabs i{width:13px;height:13px;border-radius:50%;background:#ff5f57}.vs-top i:nth-child(2),.tabs i:nth-child(2){background:#febc2e}.vs-top i:nth-child(3),.tabs i:nth-child(3){background:#28c840}
.vs-body{flex:1;display:flex;min-height:0}
.vs-act{width:54px;background:#333;display:flex;flex-direction:column;gap:22px;padding:18px 15px}.vs-act b{height:24px;border-radius:5px;background:#5a5a5e}.vs-act b:first-child{background:#ddd}
.vs-side{width:250px;background:#252526;font-size:15px;padding:12px 0}.vs-side p{padding:0 18px 10px;font-size:12px;color:#aaa}
.vs-side ul{list-style:none}.vs-side li{padding:4px 18px}.vs-side .f{background:#37373d;color:#fff;padding-left:36px}.vs-side .f2{padding-left:36px;color:#bbb}
.vs-main{flex:1;display:flex;flex-direction:column;min-width:0}
.vs-tabs{height:42px;background:#252526;display:flex}.vs-tabs span{padding:11px 20px;font-size:14px;color:#999}.vs-tabs .on{background:#1e1e1e;color:#fff;border-top:2px solid #3b82ff}
.code{flex:1;padding:18px 0;font:20px/1.75 var(--m);white-space:pre;overflow:hidden;counter-reset:ln}
.code .l{display:block;padding-left:80px;position:relative}
.code .l::before{counter-increment:ln;content:counter(ln);position:absolute;left:0;width:56px;text-align:right;color:#6e7681}
.code .cur{display:inline-block;width:2px;height:1.1em;background:#fff;vertical-align:middle;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.tg{color:#569cd6}.at{color:#9cdcfe}.st{color:#ce9178}.cm{color:#6a9955}.kw{color:#c586c0}.fn{color:#dcdcaa}
.term{height:190px;border-top:1px solid #444;padding:12px 24px;font-size:17px;color:#ccc}.term p{font-size:12px;color:#aaa;margin-bottom:8px}
.term .ok{color:#28c840}.term .dim{color:#888}
.vs-bar{height:28px;background:#2563eb;color:#fff;font-size:13px;display:flex;justify-content:space-between;align-items:center;padding:0 14px}

.pg-br{background:#0f0f14;display:flex;flex-direction:column}
.chrome{background:#202027;border-bottom:1px solid #000}
.tabs{display:flex;align-items:flex-end;gap:8px;padding:12px 16px 0;height:50px}
.tabs i{align-self:center;margin-bottom:10px}
.tabs .t{margin-left:6px;padding:9px 18px;font-size:14px;color:#999;border-radius:10px 10px 0 0;max-width:230px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tabs .t.on{background:#2e2e37;color:#fff}
.addr{margin:0 16px 12px;padding:8px 18px;background:#2e2e37;border-radius:99px;font-size:15px;color:#ccc;transform:translateY(0)}
.win{position:relative;flex:1;overflow:hidden}
.w{position:absolute;inset:0;opacity:0;transform:translateY(30px) scale(.98);transition:opacity .5s,transform .5s}
.w.on{opacity:1;transform:none}
.w1{background:#0b0d1a image-set(url(img/vtpay-full.webp) type("image/webp"),url(img/vtpay-full.jpg) type("image/jpeg")) 0 0/100% auto no-repeat}

.shop{position:absolute;inset:0;background:radial-gradient(70% 90% at 75% 55%,color-mix(in srgb,var(--c) 26%,transparent),var(--bg) 70%);color:#fff;padding:0 70px;opacity:0;transform:translateX(60px);transition:opacity .6s,transform .6s}
.shop.on{opacity:1;transform:none}
.shop nav{display:flex;gap:36px;align-items:center;height:90px;font-size:17px;color:#ccc}.shop nav b{font:700 28px var(--h);color:#fff;margin-right:auto;letter-spacing:.04em}.shop nav em{font-style:normal;padding:8px 16px;border:1px solid #ffffff40;border-radius:99px}
.sh-hero{display:grid;grid-template-columns:1fr 1.1fr;align-items:center;height:calc(100% - 110px)}
.sh-hero small{font:500 15px var(--m);color:var(--c);letter-spacing:.1em}.sh-hero h3{font-size:92px;margin:18px 0}.sh-hero p{font-size:22px;color:#ccc}
.sh-hero button{margin-top:30px;padding:18px 34px;font:600 19px var(--f);border:0;border-radius:99px;background:var(--c);color:#111}
.prod{position:relative;perspective:1200px;display:grid;place-items:center;height:100%}
.prod img{width:520px;height:520px;object-fit:cover;border-radius:40px;box-shadow:0 60px 90px -30px #000;animation:spin3d 7s ease-in-out infinite}
.prod .ring{position:absolute;width:640px;height:640px;border:2px dashed color-mix(in srgb,var(--c) 60%,transparent);border-radius:50%;transform:rotateX(70deg);animation:rot 12s linear infinite}
@keyframes spin3d{0%,100%{transform:rotateY(-24deg) rotateX(6deg) translateY(0)}50%{transform:rotateY(24deg) rotateX(-4deg) translateY(-24px)}}
@keyframes rot{to{transform:rotateX(70deg) rotateZ(360deg)}}

.pp{height:100%;padding:60px 90px;background:radial-gradient(60% 60% at 50% 0,#22d3ee33,transparent),#0b0b10;color:#fff;text-align:center}
.pp small{font:500 16px var(--m);color:#3b82ff;letter-spacing:.12em}.pp h3{font-size:58px;margin:14px 0 46px}
.pp-g{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;text-align:left}
.pc{position:relative;padding:36px;border:1px solid #ffffff1f;border-radius:26px;background:#ffffff08}
.pc.hot{border-color:#3b82ff;background:#3b82ff0f;transform:translateY(-14px)}
.pc em{position:absolute;top:-16px;right:26px;padding:6px 14px;font:600 14px var(--f);font-style:normal;background:#3b82ff;color:#111;border-radius:99px}
.pc b{font-size:24px}.pc strong{display:block;font:700 46px var(--h);margin:12px 0 22px}
.pc ul{list-style:none;font-size:19px;color:#bbb}.pc li{padding:7px 0}.pc li::before{content:'✓  ';color:#3b82ff}
.ck{display:grid;grid-template-columns:1fr 1fr;gap:26px;text-align:left}
.ck div{padding:34px;border:1px solid #ffffff1f;border-radius:24px;background:#ffffff08}
.ck i{font-style:normal;font-size:44px}.ck b{display:block;font:700 32px var(--h);margin:12px 0 8px}.ck p{font-size:19px;color:#aaa}

@media(max-width:860px){
 .rig{--mw:min(620px,94vw)}
 .intro{top:84px}
 .cap{top:auto;bottom:56px;left:16px!important;right:16px!important;width:auto;transform:translateY(20px);text-align:center}
 .cap.on{transform:none}
 .cap p{font-size:14px;margin-top:8px}.cap h2{font-size:26px}
}

/* ============ sections ============ */
.sec-h{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:56px;flex-wrap:wrap}
.sec-h p{max-width:420px;color:var(--mute)}
.price{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.pr{position:relative;padding:36px 30px;border:1px solid var(--line);border-radius:24px;background:var(--bg2);display:flex;flex-direction:column}
.pr.hot{border-color:var(--a);background:linear-gradient(#3b82ff0d,transparent 40%),var(--bg2)}
.badge{position:absolute;top:-13px;left:30px;padding:5px 12px;border-radius:99px;background:var(--a);color:#111;font-size:12px;font-weight:600}
.pr h3{font-size:26px}.for{color:var(--mute);font-size:14px;margin-top:6px}
.amt{font:700 44px var(--h);margin:22px 0;letter-spacing:-.02em}.amt small{font:500 14px var(--f);color:var(--mute)}.amt span{font-size:24px;color:var(--mute)}
.pr ul{list-style:none;margin-bottom:28px;flex:1}.pr li{padding:8px 0;border-top:1px solid var(--line);font-size:15px}.pr li::before{content:'✓ ';color:var(--a)}
.pr .btn{justify-content:center}
.note{margin-top:26px;color:var(--mute);font-size:14px;text-align:center}
.g2{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center}
.pol{display:grid;gap:16px}.pi{padding:24px 26px;border:1px solid var(--line);border-radius:18px;background:var(--bg)}
.pi b{display:block;margin-bottom:10px;color:var(--a)}.pi.x b{color:#ff8a7a}.pi ul{list-style:none;color:var(--mute);font-size:15px}.pi li{padding:3px 0}
.small{font-size:14px;color:var(--mute)}
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{padding:30px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg2);transition:border-color .3s,transform .3s}
.card:hover{border-color:#3b82ff66;transform:translateY(-4px)}
.card .n{font:12px var(--m);color:var(--a)}.card h3{font-size:22px;margin:14px 0 10px}.card p{color:var(--mute);font-size:15px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{padding:28px;border-top:2px solid var(--a);background:var(--bg)}.step h3{font-size:21px;margin-bottom:8px}.step p{color:var(--mute);font-size:15px}
.faq details{border-bottom:1px solid var(--line);padding:22px 0}
.faq summary{cursor:pointer;font-weight:600;font-size:18px;list-style:none;display:flex;justify-content:space-between;gap:20px}
.faq summary::after{content:'+';color:var(--a);font-size:24px;line-height:1}.faq details[open] summary::after{content:'–'}
.faq p{color:var(--mute);margin-top:12px}
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.nw{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--bg)}
.nw .im{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#22d3ee44,#3b82ff22)}.nw img{width:100%;height:100%;object-fit:cover;transition:transform .5s}.nw:hover img{transform:scale(1.05)}
.nw .bd{padding:22px}.nw time{font:12px var(--m);color:var(--mute)}.nw h3{font-size:19px;margin-top:8px;line-height:1.3}
.cta{text-align:center;background:radial-gradient(50% 70% at 50% 100%,#22d3ee40,transparent)}
.cta h2{font-size:clamp(40px,6vw,80px)}.cta h2 span{color:var(--a)}
.ctas{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:34px}
footer{border-top:1px solid var(--line);padding:56px 0 30px;color:var(--mute);font-size:14px}
.ft{display:grid;grid-template-columns:2fr 1fr 1.4fr;gap:40px;margin-bottom:40px}.ft .fh{font:600 16px var(--f);letter-spacing:0;color:var(--fg);margin-bottom:12px}.ft ul{list-style:none}
.fab{position:fixed;right:18px;bottom:18px;z-index:60;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#0068ff;color:#fff;font-weight:700;font-size:14px;box-shadow:0 8px 20px #0007}
.js .reveal{opacity:0;transform:translateY(30px);transition:opacity .8s,transform .8s}.reveal.in{opacity:1;transform:none}
@media(max-width:900px){.price,.svc,.news,.g2,.ft{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}section{padding:84px 0}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition-duration:.01ms!important}}

/* ============ v2: technical grid world ============ */
:root{--grid:#ffffff0d;--grid-hi:#3b82ff59;--ease:cubic-bezier(.16,1,.3,1)}
body{background:var(--bg)}
::selection{background:var(--a);color:#05070d}
html{scrollbar-color:#2a2a35 var(--bg)}
::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:#2a2a35;border-radius:10px;border:2px solid var(--bg)}::-webkit-scrollbar-thumb:hover{background:var(--a)}
:focus-visible{outline:2px solid var(--a);outline-offset:3px;border-radius:6px}
h1,h2,h3{font-weight:600;letter-spacing:-.035em;text-wrap:balance}
p{text-wrap:pretty}

/* background: blueprint grid + cursor-lit grid + data packets + grain */
.bg{position:fixed;inset:0;z-index:-1;pointer-events:none;background:var(--bg)}
.grid{position:absolute;inset:0;
 background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px),
  linear-gradient(#ffffff06 1px,transparent 1px),linear-gradient(90deg,#ffffff06 1px,transparent 1px);
 background-size:96px 96px,96px 96px,24px 24px,24px 24px;
 -webkit-mask:radial-gradient(120% 90% at 50% 30%,#000 30%,transparent 85%);mask:radial-gradient(120% 90% at 50% 30%,#000 30%,transparent 85%)}
.grid.spot{background-image:linear-gradient(var(--grid-hi) 1px,transparent 1px),linear-gradient(90deg,var(--grid-hi) 1px,transparent 1px);background-size:96px 96px;
 -webkit-mask:radial-gradient(280px circle at var(--mx,50%) var(--my,40%),#000,transparent 75%);mask:radial-gradient(280px circle at var(--mx,50%) var(--my,40%),#000,transparent 75%);transition:opacity .4s}
#net{position:absolute;inset:0;width:100%;height:100%}
.grain{position:absolute;inset:-50%;opacity:.05;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
section[style*="--bg2"]{background:linear-gradient(#0b1020d9,#0b1020d9)!important;border-block:1px solid var(--line)}
.stage{background:transparent}.glow{background:radial-gradient(45% 40% at 50% 68%,#22d3ee30,transparent 70%)}

/* hero headline: letters resolve from blur, one authored moment */
.intro{top:100px}
.intro h1{font-size:clamp(40px,5.4vw,76px);font-weight:600;letter-spacing:-.045em}
.intro h1 .ch{display:inline-block;opacity:0;filter:blur(14px);transform:translateY(.35em);animation:resolve 1.1s var(--ease) forwards;animation-delay:calc(var(--i) * 28ms + 150ms)}
@keyframes resolve{to{opacity:1;filter:blur(0);transform:none}}
.intro p{font-size:clamp(16px,1.35vw,19px)}
.intro .hint{font-family:var(--f);letter-spacing:.02em}
.intro .hint::after{content:'';display:block;width:1px;height:34px;margin:10px auto 0;background:linear-gradient(var(--a),transparent)}

/* buttons */
.btn{position:relative;overflow:hidden;isolation:isolate;transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.btn::before{content:'';position:absolute;inset:0;z-index:-1;background:#fff;transform:translateY(101%);transition:transform .45s var(--ease)}
.btn:hover::before{transform:none}.btn:hover{box-shadow:0 10px 26px -10px #000c}
.btn.ghost::before{background:var(--a)}.btn.ghost:hover{color:#05070d;border-color:var(--a)}

/* icons */
.ic{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* intro side panels */
.kpi{gap:14px;align-items:flex-start;padding:16px 0}
.kpi .ic{color:var(--a);margin-top:2px}
.kpi span{font-size:13.5px;color:var(--mute)}.kpi span b{display:block;font:600 17px/1.3 var(--h);color:var(--fg);letter-spacing:-.01em;margin-bottom:2px}
.build{background:#0a0f1ce6;box-shadow:0 20px 40px -20px #000}
.bh{font-family:var(--f);font-weight:600}

/* cursor-tracked border light on cards */
.card,.pr,.pi,.nw,.build{--px:50%;--py:50%;position:relative}
.card::after,.pr::after,.nw::after{content:'';position:absolute;inset:-1px;border-radius:inherit;padding:1px;pointer-events:none;opacity:0;transition:opacity .35s;
 background:radial-gradient(240px circle at var(--px) var(--py),#3b82ff,transparent 60%);
 -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude}
.card:hover::after,.pr:hover::after,.nw:hover::after{opacity:1}
.card{background:linear-gradient(180deg,#0e1426,#0a0f1c);padding:32px 30px}
.card .ic{width:30px;height:30px;color:var(--a);margin-bottom:22px}
.card h3{margin-top:0}
.card:hover{transform:translateY(-4px)}
.ck .ic{width:46px;height:46px;color:#3b82ff;stroke-width:1.4}

/* steps: numbers carry the sequence, with a connecting rail */
.steps{position:relative;gap:0;border:1px solid var(--line);border-radius:20px;overflow:hidden}
.step{border-top:0;background:transparent;border-right:1px solid var(--line);padding:32px 28px}
.step:last-child{border-right:0}
.num{display:block;font:500 13px var(--m);color:var(--a);margin-bottom:28px}
.step:hover{background:#3b82ff08}

/* headings & sections */
.sec-h h2{max-width:16ch}
.price .amt{font-family:var(--h);font-variant-numeric:tabular-nums}
.cta h2{letter-spacing:-.04em}
.reveal{transition:opacity 1s var(--ease),transform 1s var(--ease),filter 1s var(--ease)}
.js .reveal{filter:blur(6px)}.reveal.in{filter:none}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media(prefers-reduced-motion:reduce){.intro h1 .ch{opacity:1;filter:none;transform:none}.js .reveal{filter:none}}

/* v3 headline: pen-drawn line + typed line */
.hl .l1,.hl .l2{display:block}
.hl .l2{min-height:1.05em}
.pen{display:inline-block;height:1.2em;max-width:100%;width:auto;overflow:visible;vertical-align:top}
.pen text{font:600 100px var(--h);letter-spacing:-.045em;fill:transparent;stroke:#eaf0ff;stroke-width:1.1;
 stroke-dasharray:700;stroke-dashoffset:700;paint-order:stroke}
.pen.go text{animation:pen 1.6s cubic-bezier(.45,0,.25,1) forwards,ink .7s ease-out 1.15s forwards}
@keyframes pen{to{stroke-dashoffset:0}}
@keyframes ink{to{fill:#eaf0ff;stroke-width:0}}
.caret{display:inline-block;width:.07em;height:.82em;margin-left:.06em;vertical-align:-.04em;background:var(--a);animation:blink 1s steps(1) infinite}
.caret.idle{animation-duration:1.1s}
@media(prefers-reduced-motion:reduce){.caret{display:none}}

/* ============ Cam kết: 3D shield + 10 fix tokens ============ */
.ck3{align-items:start}
.w3d{position:relative;height:400px;margin-top:28px;perspective:1100px}
.w3d-floor{position:absolute;left:50%;bottom:10px;width:520px;height:520px;margin-left:-260px;transform:rotateX(78deg);transform-origin:50% 100%;
 background-image:linear-gradient(#3b82ff33 1px,transparent 1px),linear-gradient(90deg,#3b82ff33 1px,transparent 1px);background-size:40px 40px;
 -webkit-mask:radial-gradient(closest-side,#000 20%,transparent);mask:radial-gradient(closest-side,#000 20%,transparent)}
.w3d-obj{position:absolute;left:50%;top:44%;width:0;height:0;transform-style:preserve-3d;
 transform:rotateX(var(--tx,0deg)) rotateY(var(--ty,0deg));transition:transform .6s var(--ease)}
.w3d-sway{transform-style:preserve-3d;animation:sway 9s ease-in-out infinite}
@keyframes sway{0%,100%{transform:rotateY(-22deg) translateY(0)}50%{transform:rotateY(22deg) translateY(-10px)}}
.shield{position:absolute;left:-100px;top:-120px;width:200px;height:240px;transform-style:preserve-3d}
.sl{position:absolute;inset:0;width:200px;height:240px;transform:translateZ(calc(var(--z) * 2px - 11px));fill:#14275a}
.sl[style*="--z:0"]{fill:#0b1638}
.sl[style*="--z:11"]{fill:url(#shg);stroke:#9cc2ff;stroke-width:1.5}
.sh-face{position:absolute;inset:0;display:grid;place-content:center;text-align:center;transform:translateZ(12px);color:#fff;padding-bottom:18px}
.sh-face b{font:700 104px/0.9 var(--h);letter-spacing:-.06em}
.sh-face span{font:600 15px/1.25 var(--f);letter-spacing:.02em;text-transform:uppercase;opacity:.9}
@property --spin{syntax:'<angle>';inherits:true;initial-value:0deg}
.orbit{position:absolute;left:-205px;top:-130px;width:410px;height:410px;border-radius:50%;border:1px dashed #3b82ff55;
 transform-style:preserve-3d;transform:rotateX(74deg);animation:orb 26s linear infinite}
@keyframes orb{to{--spin:360deg}}
.tok{position:absolute;left:50%;top:50%;width:38px;height:38px;margin:-19px;transform-style:preserve-3d;
 transform:rotateZ(calc(var(--k) * 36deg + var(--spin))) translateX(205px) rotateZ(calc(var(--k) * -36deg - var(--spin)))}
.tok b{display:grid;place-items:center;width:100%;height:100%;border-radius:50%;font:600 14px var(--h);color:#8a94b0;
 background:#0b1020;border:1px solid #2a3a66;transform:rotateX(-74deg);transition:background .4s,color .4s,border-color .4s,transform .5s var(--ease)}
.tok.on b{background:#3b82ff;color:#05070d;border-color:#8fb8ff;transform:rotateX(-74deg) translateZ(6px)}
.w3d-count{display:flex;align-items:baseline;gap:10px;margin-top:4px;color:var(--mute)}
.w3d-count b{font:700 56px/1 var(--h);color:var(--fg);letter-spacing:-.04em;font-variant-numeric:tabular-nums;min-width:1.2ch}

/* policy lists with drawn marks */
.pi{padding:28px 30px;background:linear-gradient(180deg,#0e1426,#0a0f1c)}
.pi > b{display:flex;align-items:center;gap:10px;font:600 18px var(--h);color:var(--fg);margin-bottom:16px}
.pi.ok > b .ic{color:var(--a)}.pi.x > b .ic{color:#f59e8b}
.pi li{display:flex;gap:12px;align-items:flex-start;padding:9px 0;border-top:1px solid var(--line);color:#b6bfd6}
.mk{width:20px;height:20px;flex:none;margin-top:2px;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:30;stroke-dashoffset:30}
.pi.ok .mk{stroke:var(--a)}.pi.x .mk{stroke:#f59e8b}
.pi.in .mk{animation:draw .6s var(--ease) forwards;animation-delay:calc(var(--d) * 120ms + 250ms)}
.pi li span{opacity:.0;transform:translateX(-6px);transition:opacity .5s var(--ease),transform .5s var(--ease);transition-delay:calc(var(--d) * 120ms + 200ms)}
.pi.in li span{opacity:1;transform:none}
@keyframes draw{to{stroke-dashoffset:0}}
@media(max-width:900px){.w3d{height:320px}.w3d-obj{transform:scale(.8)}}
@media(prefers-reduced-motion:reduce){.mk{stroke-dashoffset:0}.pi li span{opacity:1;transform:none}}

.ck-l h2{font-size:clamp(32px,3.5vw,50px)}

/* ============ article & policy pages ============ */
.article{padding:128px 0 96px}
.article > .wrap{width:min(760px,100% - 32px)}
.crumb{font-size:14px;color:var(--mute);margin-bottom:28px}.crumb a{color:var(--mute)}.crumb a:hover{color:var(--a)}
.article .meta{display:block;font-size:14px;color:var(--mute);margin-bottom:14px}
.article h1{font-size:clamp(34px,5vw,56px);letter-spacing:-.04em;margin-bottom:28px}
.article figure{margin:0 0 32px;border-radius:20px;overflow:hidden;border:1px solid var(--line);aspect-ratio:16/9;background:#0b1020}
.article figure img{width:100%;height:100%;object-fit:cover}
.article .lead{font-size:20px;line-height:1.6;color:var(--fg);margin-bottom:12px}
.article h2{font-size:clamp(24px,2.6vw,32px);margin:48px 0 14px;letter-spacing:-.03em}
.article h3{font-size:20px;margin:28px 0 10px}
.article p,.article li{color:#b6bfd6;font-size:17px;line-height:1.75}
.article p+p{margin-top:14px}
.article ul,.article ol{padding-left:22px;margin:12px 0}.article li{margin:6px 0}.article li::marker{color:var(--a)}
.article a{color:var(--a);text-underline-offset:3px}
.article .box{margin-top:44px;padding:24px 26px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,#0e1426,#0a0f1c);color:var(--fg)}
.article .note{font-size:14px;color:var(--mute);text-align:left;margin-top:40px}
.ft-links{display:flex;flex-wrap:wrap;gap:18px;margin-top:10px}.ft-links a:hover{color:var(--a)}

/* projects */
.proj2{display:grid;grid-template-columns:2.2fr 1fr;gap:20px}
.pj-main{display:grid;grid-template-columns:1.4fr 1fr;gap:0;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:linear-gradient(180deg,#0e1426,#0a0f1c)}
.pj-shot{display:block;overflow:hidden;border-right:1px solid var(--line)}
.pj-shot img{width:100%;height:100%;object-fit:cover;object-position:top left;transition:transform 1.2s var(--ease)}
.pj-main:hover .pj-shot img{transform:scale(1.04)}
.pj-info{padding:34px 30px;display:flex;flex-direction:column;gap:14px}
.pj-info h3{font-size:32px}.pj-info p{color:#b6bfd6}
.pj-next{display:flex;flex-direction:column;justify-content:flex-end;gap:10px;padding:30px;border:1px dashed #3b82ff66;border-radius:24px;transition:background .3s,border-color .3s}
.pj-next .ic{width:34px;height:34px;color:var(--a);margin-bottom:auto}
.pj-next b{font:600 24px/1.2 var(--h);letter-spacing:-.02em}.pj-next span{color:var(--a);font-weight:600}
.pj-next:hover{background:#3b82ff0f;border-style:solid}
@media(max-width:900px){.proj2,.pj-main{grid-template-columns:1fr}.pj-shot{border-right:0;border-bottom:1px solid var(--line);aspect-ratio:16/10}.pj-next{min-height:200px}}

/* contact + quote form */
.cta{text-align:left}
.cta-g{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
.cta .ctas{justify-content:flex-start}
.qf{display:grid;gap:16px;padding:30px;border:1px solid var(--line);border-radius:24px;background:linear-gradient(180deg,#0e1426,#0a0f1c)}
.qf fieldset{border:0;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.qf legend{font-size:14px;color:var(--mute);margin-bottom:10px}
.pk input{position:absolute;opacity:0;pointer-events:none}
.pk span{display:block;padding:12px 14px;border:1px solid var(--line);border-radius:14px;font-weight:600;font-size:15px;cursor:pointer;transition:border-color .2s,background .2s}
.pk small{display:block;font-weight:500;font-size:13px;color:var(--mute)}
.pk input:checked+span{border-color:var(--a);background:#3b82ff14}
.pk input:focus-visible+span{outline:2px solid var(--a);outline-offset:2px}
.fl{display:grid;gap:6px}.fl span{font-size:14px;color:var(--mute)}
.fl input,.fl textarea{font:inherit;color:var(--fg);background:#05070d;border:1px solid #23304f;border-radius:12px;padding:12px 14px;transition:border-color .2s}
.fl input::placeholder,.fl textarea::placeholder{color:#5d6886}
.fl input:focus,.fl textarea:focus{outline:none;border-color:var(--a)}
.fl input[aria-invalid="true"]{border-color:#f59e8b}
.qf .btn{justify-content:center;border:0;cursor:pointer;font:inherit;font-weight:600}
.qf .btn[disabled]{opacity:.6;cursor:progress}
.qf-msg{font-size:14px;min-height:1.4em;color:var(--mute)}.qf-msg.ok{color:#7dd3a8}.qf-msg.err{color:#f59e8b}
@media(max-width:900px){.cta-g{grid-template-columns:1fr}.qf fieldset{grid-template-columns:1fr}}

/* ============ MacBook realism pass ============ */
/* display: thin glossy bezel, notch, glass edge */
.lid-front{padding:calc(var(--mw) * .012) calc(var(--mw) * .012) calc(var(--mw) * .024);
 background:linear-gradient(#0a0a0c,#050506);box-shadow:inset 0 0 0 1px #6b6e76,inset 0 0 0 calc(var(--mw) * .0025) #2a2b30,inset 0 1px 0 calc(var(--mw) * .003) #9fa2aa55}
.lid-front::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:2;
 background:linear-gradient(calc(120deg + var(--ryn,0) * 2deg),transparent 40%,#ffffff0d 50%,transparent 60%)}
.cam{top:calc(var(--mw) * -.012);width:calc(var(--mw) * .1);height:calc(var(--mw) * .016);aspect-ratio:auto;border-radius:0 0 calc(var(--mw) * .008) calc(var(--mw) * .008);
 background:#050506;z-index:3}
.cam::after{content:"";position:absolute;left:50%;top:38%;width:calc(var(--mw) * .0055);aspect-ratio:1;transform:translateX(-50%);border-radius:50%;
 background:radial-gradient(circle at 35% 35%,#4a5d86,#0b0d14 60%);box-shadow:0 0 0 1px #1a1c22}
.screen{border-radius:calc(var(--mw) * .008) calc(var(--mw) * .008) 2px 2px}
.lid-front::after{color:#7c7f88;font-weight:600;letter-spacing:.06em;font-size:calc(var(--mw) * .0095);bottom:calc(var(--mw) * .007)}

/* lid back: anodised aluminium with a mirror logo */
.lid-back{background:
 repeating-linear-gradient(90deg,#ffffff06 0 1px,transparent 1px 3px),
 linear-gradient(calc(150deg + var(--ryn,0) * 4deg),#e3e5ea,#b6b9c1 40%,#9a9da5 65%,#c3c5cc);
 box-shadow:inset 0 0 0 1px #ffffff55,inset 0 0 calc(var(--mw) * .01) #0002}
.logo-b{color:#f4f6fa;opacity:.85}

/* deck: brushed aluminium, diamond-cut chamfer, screen light spill */
.base{background:
 repeating-linear-gradient(90deg,#ffffff07 0 1px,transparent 1px 3px),
 linear-gradient(calc(180deg + var(--ryn,0) * 3deg),#d4d6dc,#bfc2c9 45%,#aeb1b8);
 box-shadow:inset 0 0 0 1px #ffffff80,inset 0 2px 0 #ffffff9a,inset 0 -3px 6px #00000022}
.base::after{inset:0 0 55% 0;background:radial-gradient(70% 100% at 50% 0,#6ea8ff26,transparent 70%)}
.hingebar{left:9%;right:9%;height:calc(var(--mw) * .014);background:linear-gradient(#050506,#1c1d22 55%,#3a3c42);box-shadow:0 1px 0 #ffffff60}
.e-front{background:linear-gradient(#a7aab2,#80838b 40%,#6a6d74);box-shadow:inset 0 1px 0 #ffffffa0}
.e-left,.e-right{background:linear-gradient(90deg,#7c7f87,#aeb1b8)}
.floor{inset:2% 2% -3%;background:radial-gradient(closest-side,#000f,#000a 45%,transparent);filter:blur(10px)}

/* keyboard: black keys in a recessed well, legends, Touch ID */
.deck{margin-top:calc(var(--mw) * .026)}
.kb{background:#16171b;padding:calc(var(--mw) * .004);gap:calc(var(--mw) * .0035);border-radius:calc(var(--mw) * .006);
 box-shadow:inset 0 1px 3px #000c,0 0 0 1px #00000040,0 1px 0 #ffffff70}
.kb .row{gap:calc(var(--mw) * .0035)}
.kb i{position:relative;display:grid;place-items:center;height:calc(var(--mw) * .029);border-radius:calc(var(--mw) * .0028);
 font:500 calc(var(--mw) * .0085)/1 var(--f);font-style:normal;color:#d7dae3;
 background:linear-gradient(#232429,#18191d);box-shadow:inset 0 1px 0 #ffffff1c,inset 0 -1px 0 #00000080,0 1px 1.5px #000c}
.kb i.mod{font-size:calc(var(--mw) * .0068);color:#b9bdc8;place-items:end start;padding:0 0 calc(var(--mw) * .003) calc(var(--mw) * .003)}
.kb .row:first-child i{height:calc(var(--mw) * .017);font-size:calc(var(--mw) * .0058);color:#9a9eaa}
.kb i.tid{background:radial-gradient(circle,#2b2c31 55%,#18191d 58%);box-shadow:inset 0 0 0 1px #4a4c53,0 1px 1.5px #000c}
.kb i.on{background:linear-gradient(#5d97ff,#2f6fe8);color:#fff;box-shadow:inset 0 1px 0 #ffffff55,0 1px 1px #000a;transform:translateY(1px)}
.spk{width:calc(var(--mw) * .055);background-image:radial-gradient(#3e4148 30%,transparent 34%);background-size:calc(var(--mw) * .0052) calc(var(--mw) * .0052);opacity:.9}

/* trackpad: frosted glass with a moving sheen */
.pad{width:46%;height:calc(var(--mw) * .22);margin-top:calc(var(--mw) * .02);border-radius:calc(var(--mw) * .01);
 background:linear-gradient(calc(165deg + var(--ryn,0) * 4deg),#cfd2d8,#b8bbc2 55%,#c4c7cd);
 box-shadow:inset 0 0 0 1px #00000024,inset 0 1px 0 #ffffffb0,inset 0 -1px 0 #0000001a}
.notch{width:14%;height:calc(var(--mw) * .008);background:linear-gradient(#9b9ea6,#73767d);box-shadow:inset 0 1px 1px #0005}
/* real proportions: keyboard ≈ 1/3 of deck depth */
.base{height:calc(var(--mw) * .68)}
.kb i{height:calc(var(--mw) * .043);font-size:calc(var(--mw) * .011)}
.kb i.mod{font-size:calc(var(--mw) * .0078)}
.kb .row:first-child i{height:calc(var(--mw) * .024);font-size:calc(var(--mw) * .0068)}
.deck{margin-top:calc(var(--mw) * .03)}
.pad{height:calc(var(--mw) * .2);margin-top:calc(var(--mw) * .026)}

/* WebGL MacBook (assets/mac3d.js); CSS rig remains as fallback */
.mac-gl,.mac-css{position:absolute;inset:0;pointer-events:none}
.mac-css #screen{transition:opacity .25s}
.has3d .rig{display:none}
.has3d .scene::after{display:none}

/* brand logo image */
.logo{display:inline-flex;align-items:center;flex:none}
.logo img{height:36px;width:auto;display:block}
footer .logo img{height:32px}
@media(max-width:860px){.logo img{height:30px}}