:root{
  --bg:#0a0c0f;--bg2:#101318;--card:#13171d;--line:rgba(255,255,255,.09);--fg:#eef1f4;--muted:#9aa3ad;
  --accent:#4fd1b5;--accent2:#c9d3dc;
  --lb-bg:#101318;--lb-fg:#eef1f4;--lb-cta-fg:#06110e;
  --f:"Manrope","Noto Sans SC",system-ui,sans-serif;
}
body{background:var(--bg);color:var(--fg);font-family:var(--f);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
body.lang-zh{letter-spacing:.02em}
.wrap{width:min(1240px,100% - 48px);margin:0 auto}
h1,h2,h3,h4{font-weight:600;letter-spacing:-.02em;margin:0}
h2{font-size:clamp(30px,4vw,52px);line-height:1.08;max-width:16ch}
.lang-zh h2,.lang-zh h1{letter-spacing:.02em}
.eyebrow{display:flex;align-items:center;gap:18px;margin:0 0 18px;font-size:12px;letter-spacing:.32em;text-transform:uppercase;color:var(--muted)}
.eyebrow i{display:block;width:120px;height:1px;background:linear-gradient(90deg,var(--muted),transparent)}
.lead{color:var(--muted);font-size:17px;max-width:54ch;margin:22px 0 0}
.section{padding:clamp(80px,12vw,150px) 0}

/* buttons */
.btn-ghost,.btn-solid{display:inline-flex;align-items:center;gap:12px;padding:15px 30px;border-radius:999px;font-weight:600;font-size:15px;text-decoration:none;position:relative;overflow:hidden;isolation:isolate;transition:color .4s,border-color .4s}
.btn-ghost{border:1.5px solid rgba(255,255,255,.75);color:#fff}
.btn-ghost::before,.btn-solid::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--accent);transform:translateY(101%);transition:transform .45s cubic-bezier(.7,0,.2,1);border-radius:inherit}
.btn-ghost:hover{color:#06110e;border-color:var(--accent)}
.btn-ghost:hover::before,.btn-solid:hover::before{transform:none}
.btn-ghost svg,.btn-solid svg{transition:transform .35s}
.btn-ghost:hover svg,.btn-solid:hover svg{transform:translateX(4px)}
.btn-ghost.sm{padding:10px 20px;font-size:14px}
.btn-solid{background:#fff;color:#06110e;border:0}

/* nav */
.nav{position:fixed;inset:0 0 auto;z-index:100;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:26px clamp(20px,4.5vw,72px);transition:padding .4s,background .4s,backdrop-filter .4s,border-color .4s;border-bottom:1px solid transparent}
.scrolled .nav{padding-top:14px;padding-bottom:14px;background:rgba(10,12,15,.72);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-color:var(--line)}
.brand{display:flex;align-items:center;gap:18px;text-decoration:none}
.brand-mark{font-weight:800;font-style:italic;font-size:30px;letter-spacing:-.04em;background:linear-gradient(180deg,#fff 20%,#9aa3ad 90%);-webkit-background-clip:text;background-clip:text;color:transparent;transform:skewX(-6deg)}
.brand-mark.sm{font-size:22px}
.brand-sep{width:1px;height:34px;background:rgba(255,255,255,.35)}
.brand-name{font-size:16px;font-weight:400;color:#dfe4e8;white-space:nowrap}
.nav-links{display:flex;gap:34px}
.nav-links a{text-decoration:none;font-size:15px;color:#dfe4e8;position:relative;padding:6px 0}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:right;transition:transform .4s}
.nav-links a:hover::after{transform:scaleX(1);transform-origin:left}
.nav-right{display:flex;align-items:center;gap:20px}
.lang{display:flex;align-items:center;gap:6px;color:#dfe4e8;font-size:14px}
.lang button{background:none;border:0;padding:4px 2px;opacity:.55;transition:opacity .3s}
.lang button.active{opacity:1;font-weight:700;color:var(--accent)}
.lang span{opacity:.35}
.burger{display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:transparent;position:relative}
.burger span{position:absolute;left:13px;right:13px;height:1.5px;background:#fff;transition:transform .35s}
.burger span:first-child{top:18px}.burger span:last-child{top:25px}
.menu-open .burger span:first-child{transform:translateY(3.5px) rotate(45deg)}
.menu-open .burger span:last-child{transform:translateY(-3.5px) rotate(-45deg)}

/* hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;background:#000}
.hero-slides,.slide,.hero-shade,.hero-dust{position:absolute;inset:0}
.slide{background:var(--img) center/cover no-repeat;opacity:0;transform:scale(1.12);transition:opacity 1.6s ease,transform 8s ease-out}
.slide::after{content:"";position:absolute;inset:0;background:inherit;filter:blur(0)}
.slide.active{opacity:1;transform:scale(1)}
.hero-shade{background:linear-gradient(90deg,rgba(6,8,10,.96) 0%,rgba(6,8,10,.78) 38%,rgba(6,8,10,.25) 70%,rgba(6,8,10,.45)),linear-gradient(0deg,var(--bg) 0,transparent 30%)}
.hero-dust{width:100%;height:100%;opacity:.5;pointer-events:none}
.hero-inner{position:relative;z-index:2;width:min(1240px,100% - 48px);margin:0 auto;padding:150px 0 70px 44px}
.hero-rail{position:absolute;left:0;top:150px;bottom:70px;width:1px;background:rgba(255,255,255,.18)}
.rail-fill{position:absolute;left:0;top:30%;width:1px;height:22%;background:var(--accent);box-shadow:0 0 12px var(--accent);animation:rail 6s ease-in-out infinite alternate}
@keyframes rail{to{top:55%}}
.hero-title{font-size:clamp(40px,6.2vw,84px);line-height:1.04;letter-spacing:-.035em;max-width:15ch}
.hero-title em{font-style:normal;background:linear-gradient(100deg,#fff 0%,#fff 40%,#7f8a94 60%,#fff 80%);background-size:250% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:sheen 7s linear infinite}
@keyframes sheen{from{background-position:100% 0}to{background-position:-150% 0}}
.hero-sub{max-width:46ch;color:#c7cdd3;font-size:clamp(16px,1.3vw,18px);margin:28px 0 36px}
.hero-ctas{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.slide-caption{display:flex;align-items:center;gap:10px;margin:0;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.cap-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(79,209,181,.18);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(79,209,181,0)}}
.cap-text{transition:opacity .4s}
.quick{display:flex;flex-wrap:wrap;margin:64px 0 40px;max-width:820px}
.quick button{flex:1 1 90px;display:flex;flex-direction:column;align-items:center;gap:10px;padding:8px 10px;background:none;border:0;border-left:1px solid var(--line);color:#d4dade;font-size:13px;line-height:1.25;text-align:center;transition:color .3s}
.quick button:first-child{border-left:0}
.quick svg{width:34px;height:34px;stroke:currentColor;fill:none;stroke-width:1.2;transition:transform .4s cubic-bezier(.3,1.6,.5,1),color .3s}
.quick button:hover{color:var(--accent)}
.quick button:hover svg{transform:translateY(-5px) scale(1.08)}
.hero-ctrl{display:flex;align-items:center;gap:22px}
.count{font-size:15px;color:var(--muted)}.count b{color:#fff;font-size:22px;font-weight:500}
.bar{width:140px;height:1.5px;background:rgba(255,255,255,.2);position:relative;overflow:hidden}
.bar i{position:absolute;inset:0;background:var(--accent);transform-origin:left;transform:scaleX(0)}
.bar i.run{animation:barrun 7s linear forwards}
@keyframes barrun{to{transform:scaleX(1)}}
.circle{width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.4);background:transparent;display:grid;place-items:center;transition:all .3s}
.circle:hover{background:#fff;color:#000;transform:scale(1.06)}
.scroll-cue{position:absolute;right:clamp(20px,4.5vw,72px);bottom:60px;z-index:2;width:26px;height:42px;border:1.5px solid rgba(255,255,255,.4);border-radius:14px}
.scroll-cue span{position:absolute;left:50%;top:8px;width:3px;height:8px;margin-left:-1.5px;border-radius:2px;background:#fff;animation:cue 1.8s infinite}
@keyframes cue{to{transform:translateY(14px);opacity:0}}

/* stats */
.stats{border-block:1px solid var(--line);background:var(--bg2)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stats-grid>div{padding:42px 28px;border-left:1px solid var(--line)}
.stats-grid>div:first-child{border-left:0}
.stats-grid b{display:block;font-size:clamp(34px,4vw,52px);font-weight:500;letter-spacing:-.03em;background:linear-gradient(180deg,#fff,#8c97a1);-webkit-background-clip:text;background-clip:text;color:transparent}
.stats-grid span{color:var(--muted);font-size:14px}

/* products */
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:44px;flex-wrap:wrap}
.sec-sub{color:var(--muted);max-width:36ch;margin:0}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px}
.filter-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;border:1px solid var(--line);background:transparent;font-size:14px;color:#cfd6dc;transition:all .3s}
.filter-btn:hover{border-color:rgba(255,255,255,.35)}
.filter-btn.active{background:#fff;color:#000;border-color:#fff}
.filter-n{font-size:11px;opacity:.55}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:18px}
.card{position:relative;aspect-ratio:4/5;border-radius:16px;overflow:hidden;background:var(--card);cursor:pointer;border:1px solid var(--line);transform-style:preserve-3d;transition:transform .5s cubic-bezier(.2,.8,.2,1),border-color .4s}
.card:hover{border-color:rgba(79,209,181,.5)}
.card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.04);transition:transform 1.1s cubic-bezier(.2,.8,.2,1),filter .6s;filter:saturate(.75) brightness(.85)}
.card:hover img{transform:scale(1.12);filter:saturate(1) brightness(.95)}
.card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 35%,rgba(6,8,10,.92) 88%)}
.card .glare{position:absolute;inset:0;z-index:2;background:radial-gradient(circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.16),transparent 45%);opacity:0;transition:opacity .4s;pointer-events:none}
.card:hover .glare{opacity:1}
.card-body{position:absolute;left:0;right:0;bottom:0;z-index:3;padding:22px}
.card-group{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent)}
.card h3{font-size:21px;margin:6px 0 0;line-height:1.2}
.card p{margin:0;color:#b9c1c8;font-size:14px;line-height:1.5;max-height:0;opacity:0;overflow:hidden;transition:max-height .5s,opacity .5s,margin .5s}
.card:hover p,.card:focus-visible p{max-height:90px;opacity:1;margin-top:10px}
.card-meta{display:flex;justify-content:space-between;align-items:center;margin-top:14px;font-size:12px;color:var(--muted)}
.card-arrow{width:34px;height:34px;border-radius:50%;border:1px solid rgba(255,255,255,.3);display:grid;place-items:center;transition:all .35s}
.card:hover .card-arrow{background:var(--accent);border-color:var(--accent);color:#000;transform:rotate(-45deg)}

/* applications */
.apps{background:var(--bg2);border-block:1px solid var(--line)}
.apps-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:48px}
.app{position:relative;aspect-ratio:3/4;border-radius:14px;overflow:hidden;border:1px solid var(--line);display:flex;flex-direction:column;justify-content:flex-end;gap:12px;padding:20px;font-weight:600;font-size:16px;isolation:isolate}
.app::before{content:"";position:absolute;inset:0;z-index:-2;background:var(--img) center/cover;filter:grayscale(1) brightness(.35);transform:scale(1.05);transition:all .8s}
.app::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,rgba(6,8,10,.9),transparent 70%)}
.app:hover::before{filter:grayscale(0) brightness(.6);transform:scale(1.14)}
.app svg{width:40px;height:40px;fill:none;stroke:var(--accent);stroke-width:1.6;stroke-linejoin:round;stroke-linecap:round;transition:transform .5s}
.app:hover svg{transform:translateY(-6px)}

/* about */
.about-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(40px,7vw,110px);align-items:center}
.about-media{position:relative}
.about-img{aspect-ratio:4/5;border-radius:20px;background-size:cover;background-position:center;filter:saturate(.8)}
.about-badge{position:absolute;right:-24px;bottom:40px;background:rgba(16,19,24,.85);backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:14px;padding:18px 22px;display:flex;flex-direction:column;gap:2px;animation:float 6s ease-in-out infinite}
.about-badge b{font-style:italic;font-size:22px}.about-badge span{font-size:13px;color:var(--muted)}
@keyframes float{50%{transform:translateY(-10px)}}
.values{display:grid;grid-template-columns:1fr 1fr;gap:30px 34px;margin-top:44px}
.values svg{width:30px;height:30px;fill:none;stroke:var(--accent);stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round;margin-bottom:12px}
.values h4{font-size:17px}.values p{margin:6px 0 0;color:var(--muted);font-size:14px}

/* contact */
.contact{background:radial-gradient(900px 500px at 85% 20%,rgba(79,209,181,.08),transparent 60%),var(--bg)}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(40px,7vw,110px)}
.info{list-style:none;padding:0;margin:44px 0 0;display:grid;gap:22px}
.info li{display:flex;flex-direction:column;border-top:1px solid var(--line);padding-top:16px}
.info small{color:var(--muted);font-size:12px;letter-spacing:.18em;text-transform:uppercase}
.info a,.info span{font-size:19px;text-decoration:none}
.info a:hover{color:var(--accent)}
.form{background:var(--bg2);border:1px solid var(--line);border-radius:22px;padding:clamp(24px,4vw,44px);display:grid;gap:22px;position:relative}
.field{position:relative}
.field input,.field textarea{width:100%;background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.2);color:var(--fg);font:inherit;font-size:17px;padding:26px 0 10px;resize:vertical;outline:none;transition:border-color .3s}
.field label{position:absolute;left:0;top:24px;color:var(--muted);pointer-events:none;transition:all .3s cubic-bezier(.2,.8,.2,1)}
.field::after{content:"";position:absolute;left:0;right:0;top:auto;height:1.5px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .45s}
.field:has(input)::after{bottom:calc(var(--errh,0px) + 0px)}
.field:focus-within::after{transform:scaleX(1)}
.field:focus-within label,.field.filled label{top:0;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.field small{display:block;color:#ff8a8a;font-size:13px;min-height:0;margin-top:6px}
.field.invalid input,.field.invalid textarea{border-color:#ff8a8a}
.field::after{display:none}
.field:focus-within input,.field:focus-within textarea{border-color:var(--accent)}
.form .btn-solid{justify-self:start;margin-top:6px}
.form-status.ok{color:var(--accent)}.form-status.err{color:#ff8a8a}
.form.sent{box-shadow:0 0 0 1px var(--accent),0 0 60px rgba(79,209,181,.15);transition:box-shadow .6s}

.footer{border-top:1px solid var(--line);padding:30px 0;font-size:13px;color:var(--muted)}
.foot{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.foot a{text-decoration:none;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center}

/* responsive */
@media (max-width:1100px){
  .apps-grid{grid-template-columns:repeat(3,1fr)}
  .brand-name{display:none}.brand-sep{display:none}
}
@media (max-width:900px){
  .burger{display:block}.hide-m{display:none}
  .nav-links{position:fixed;inset:0;z-index:-1;flex-direction:column;justify-content:center;align-items:center;gap:26px;background:rgba(8,10,12,.97);opacity:0;visibility:hidden;transition:all .4s}
  .nav-links a{font-size:28px;transform:translateY(16px);transition:transform .5s}
  .menu-open .nav-links{opacity:1;visibility:visible}
  .menu-open .nav-links a{transform:none}
  .about-grid,.contact-grid{grid-template-columns:1fr}
  .about-badge{right:16px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stats-grid>div:nth-child(3){border-left:0}
  .stats-grid>div{border-top:1px solid var(--line)}
  .hero-inner{padding-left:22px}
  .scroll-cue{display:none}
}
@media (max-width:600px){
  .wrap,.hero-inner{width:calc(100% - 32px)}
  .nav{padding-left:16px;padding-right:16px}
  .quick{margin:44px 0 30px}
  .quick button{flex:1 1 25%;border-left:0;font-size:12px;padding:10px 4px}
  .apps-grid{grid-template-columns:1fr 1fr}
  .grid{grid-template-columns:1fr 1fr;gap:12px}
  .card{aspect-ratio:3/4}.card-body{padding:14px}.card h3{font-size:16px}.card p{display:none}
  .values{grid-template-columns:1fr}
  .bar{width:70px}
}

/* ===== Products mega-menu ===== */
.has-mega{position:relative}
.mega-trigger{display:inline-flex!important;align-items:center;gap:6px}
.chev{transition:transform .35s}
.has-mega.open .chev{transform:rotate(180deg)}
.mega{position:fixed;left:50%;top:var(--nav-h,86px);transform:translate(-50%,10px);width:min(1180px,calc(100vw - 48px));display:grid;grid-template-columns:1fr 240px;gap:28px;padding:30px;border-radius:20px;background:rgba(14,17,22,.94);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);border:1px solid var(--line);box-shadow:0 40px 80px -30px rgba(0,0,0,.8);max-height:calc(100vh - var(--nav-h,86px) - 16px);overflow:auto;opacity:0;visibility:hidden;transition:opacity .3s,transform .4s cubic-bezier(.2,.8,.2,1),visibility .3s}
.has-mega.open .mega{opacity:1;visibility:visible;transform:translate(-50%,0)}
.mega::before{content:"";position:absolute;left:0;right:0;top:-24px;height:24px}
.mega-cols{columns:3;column-gap:30px}
.mega-col{display:flex;flex-direction:column;align-items:flex-start;gap:2px;break-inside:avoid;margin-bottom:22px}
.mega-group{background:none;border:0;padding:0 0 8px;margin-bottom:4px;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);border-bottom:1px solid var(--line);width:100%;text-align:left}
.mega-item{background:none;border:0;padding:5px 0;font-size:14px;color:#cfd6dc;text-align:left;position:relative;transition:color .25s,transform .25s}
.mega-item:hover,.mega-item:focus-visible{color:#fff;transform:translateX(4px)}
.mega-item::before{content:"";position:absolute;left:-12px;top:50%;width:5px;height:5px;margin-top:-2.5px;border-radius:50%;background:var(--accent);opacity:0;transition:opacity .25s}
.mega-item:hover::before{opacity:1}
.mega-feature{position:relative;border-radius:14px;overflow:hidden;text-decoration:none;min-height:240px;padding:0!important}
.mega-feature::after{display:none!important}
.mega-feature img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s}
.mega-feature:hover img{transform:scale(1.08)}
.mega-feature span{position:absolute;left:0;right:0;bottom:0;padding:18px;display:flex;flex-direction:column;background:linear-gradient(0deg,rgba(0,0,0,.85),transparent)}
.mega-feature small{font-size:11px;letter-spacing:.2em;color:var(--accent)}
.mega-feature b{font-size:16px;font-weight:600}

/* ===== search ===== */
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px 24px;flex-wrap:wrap;margin-bottom:34px}
.toolbar .filters{margin-bottom:0}
.search{display:flex;align-items:center;gap:10px;padding:0 16px;height:44px;min-width:240px;border-radius:999px;border:1px solid var(--line);color:var(--muted);transition:border-color .3s,box-shadow .3s}
.search:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px rgba(79,209,181,.12);color:var(--accent)}
.search input{flex:1;min-width:0;background:none;border:0;outline:none;color:var(--fg);font:inherit;font-size:14px}
.search input::placeholder{color:var(--muted)}
.empty{color:var(--muted);text-align:center;padding:50px 20px;border:1px dashed var(--line);border-radius:16px;margin:0}

/* ===== footer ===== */
.footer{padding:0}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:70px 0 50px}
.foot-brand .brand-mark{font-size:34px}
.foot-brand p{margin:10px 0 0;color:#dfe4e8}
.foot-brand .muted{color:var(--muted);font-size:14px;max-width:30ch}
.foot-col h5{margin:0 0 16px;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-weight:600}
.foot-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;font-size:14.5px;color:#cfd6dc}
.foot-col a{text-decoration:none;transition:color .25s}
.foot-col a:hover{color:var(--accent)}
.foot{border-top:1px solid var(--line);padding:24px 0}
.foot-lang button{font-size:13px}

/* ===== back to top ===== */
.to-top{position:fixed;right:24px;bottom:24px;z-index:90;width:48px;height:48px;display:grid;place-items:center;text-decoration:none;border-radius:50%;background:rgba(16,19,24,.8);backdrop-filter:blur(10px);opacity:0;transform:translateY(16px) scale(.9);pointer-events:none;transition:all .4s}
.to-top.show{opacity:1;transform:none;pointer-events:auto}
.to-top svg{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}
.to-top circle{fill:none;stroke-width:2}
.ring-bg{stroke:var(--line)}.ring{stroke:var(--accent);stroke-linecap:round;transition:stroke-dashoffset .1s}
.to-top span{transition:transform .3s}.to-top:hover span{transform:translateY(-3px)}

/* ===== intro ===== */
.intro{position:fixed;inset:0;z-index:2000;display:grid;place-items:center;background:var(--bg);transition:clip-path 1s cubic-bezier(.8,0,.2,1)}
.intro.done{clip-path:inset(0 0 100% 0)}
.intro-in{display:flex;flex-direction:column;align-items:center;gap:18px}
.intro .brand-mark{font-size:64px;animation:introIn 1s cubic-bezier(.2,.8,.2,1) both}
.intro i{display:block;width:120px;height:1.5px;background:var(--line);position:relative;overflow:hidden}
.intro i::after{content:"";position:absolute;inset:0;background:var(--accent);transform-origin:left;animation:introBar 1.1s .1s cubic-bezier(.6,0,.2,1) both}
@keyframes introIn{from{opacity:0;letter-spacing:.3em;filter:blur(8px)}}
@keyframes introBar{from{transform:scaleX(0)}}
.intro-on .hero [data-reveal]{transition-delay:calc(var(--d,0s) + 1.1s)}
.intro-on{overflow:hidden}

/* focus + misc polish */
.card:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
::selection{background:var(--accent);color:#06110e}

@media (max-width:1100px){.mega-cols{columns:3;column-gap:22px}.mega{grid-template-columns:1fr}.mega-feature{display:none}}
@media (max-width:900px){
  .mega{display:none}.chev{display:none}
  .foot-top{grid-template-columns:1fr 1fr}
  .search{flex:1 1 100%}
}
@media (max-width:600px){.foot-top{grid-template-columns:1fr;gap:30px;padding:50px 0 34px}.to-top{right:16px;bottom:16px}}
@media (max-width:600px){
  .toolbar .filters{flex-wrap:nowrap;overflow-x:auto;margin:0 -16px;padding:2px 16px 6px;scrollbar-width:none;width:calc(100% + 32px)}
  .toolbar .filters::-webkit-scrollbar{display:none}
  .filter-btn{flex:none}
}