/* MatanVerse: "Clean Studio" direction, with a playful motion layer.
   Every animation is switched off under prefers-reduced-motion (bottom of file).
   Content never depends on JS: reveal-on-scroll only hides things once html.js is set. */
:root{
  --ink:#0d1324;--muted:#5b6478;--line:#e7eaf1;--bg:#fff;--soft:#f5f7fb;
  --accent:#0078c8;--accent-soft:#e3f4fd;--brand:#00aeef;--green:#14ad4b;--sun:#ffb020;
  --spring:cubic-bezier(.34,1.56,.64,1);--out:cubic-bezier(.22,1,.36,1);
  --dk:#151c33;--dkl:#2a3350;
  --wave:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 14' preserveAspectRatio='none'%3E%3Cpath d='M3 9C40 3 75 13 112 7s62-4 85 1' stroke='%2300aeef' stroke-width='5' fill='none' stroke-linecap='round' opacity='.38'/%3E%3C/svg%3E");
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Segoe UI",system-ui,-apple-system,"Apple SD Gothic Neo","Malgun Gothic","Noto Sans KR",sans-serif;color:var(--ink);background:var(--bg);line-height:1.55;overflow-x:hidden}
:lang(ko) body,body:lang(ko){word-break:keep-all}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
main{overflow-x:clip}
a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:8px}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:12px;top:-60px;background:var(--ink);color:#fff;padding:10px 14px;border-radius:10px;z-index:20}
.skip:focus{top:12px}

/* Header */
.top{position:sticky;top:0;background:rgba(255,255,255,.86);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);z-index:10}
.nav{display:flex;align-items:center;gap:28px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-.4px;white-space:nowrap}
.logo b{color:var(--accent)}
.mk{height:24px;width:auto;fill:var(--brand);overflow:visible}
.mk>*{transform-box:fill-box;transform-origin:50% 100%}
.logo:hover .mk>*{animation:hop .55s var(--spring) calc(var(--i)*60ms)}
@keyframes hop{40%{transform:translateY(-6px) rotate(-6deg)}}
.links{display:flex;gap:24px;font-size:15px;color:var(--muted);margin-left:auto}
.links a{position:relative;padding:4px 0}
.links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--accent);transform:scaleX(0);transform-origin:right;transition:transform .35s var(--out)}
.links a:hover{color:var(--ink)}
.links a:hover::after{transform:scaleX(1);transform-origin:left}
.lang{display:flex;gap:6px;font-size:13px}
.lang a{padding:4px 9px;border-radius:999px;color:var(--muted);transition:background .2s,color .2s}
.lang a:hover{background:var(--soft);color:var(--ink)}
.lang a.on{background:var(--ink);color:#fff}
.progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:linear-gradient(90deg,var(--accent),var(--green));transform:scaleX(var(--p,0));transform-origin:left}

/* Hero */
.hero{padding:88px 0 56px;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
h1{font-size:60px;line-height:1.08;letter-spacing:-2px;margin:0 0 20px}
:lang(ko) h1{letter-spacing:-1.5px;line-height:1.18}
h1 .wd{display:inline-block;animation:rise .9s var(--spring) both;animation-delay:calc(var(--i)*70ms + 80ms)}
@keyframes rise{from{opacity:0;transform:translateY(.55em) rotate(3deg)}}
.hl{color:var(--accent);background:var(--wave) no-repeat 0 96%/0% .3em;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-bottom:.06em;animation:draw 1s var(--out) .75s forwards}
@keyframes draw{to{background-size:100% .3em}}
.lead{font-size:19px;color:var(--muted);max-width:520px;margin:0 0 32px;animation:fade .9s var(--out) .45s both}
.btns{display:flex;gap:12px;flex-wrap:wrap;animation:fade .9s var(--out) .6s both}
@keyframes fade{from{opacity:0;transform:translateY(12px)}}
.btn{position:relative;overflow:hidden;display:inline-block;padding:14px 22px;border-radius:12px;font-weight:600;transition:transform .35s var(--spring),box-shadow .3s}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:scale(.97)}
.btn.p{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(0,120,200,.28)}
.btn.p:hover{box-shadow:0 12px 30px rgba(0,120,200,.38)}
.btn.p::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.45) 50%,transparent 70%);transform:translateX(-120%)}
.btn.p:hover::after{transform:translateX(120%);transition:transform .8s var(--out)}
.btn.s{background:var(--soft);color:var(--ink)}
.btn.s:hover{background:var(--accent-soft)}

/* Hero card stack: orbit + floating cards + cursor tilt (JS sets --rx/--ry) */
.stack{position:relative;height:380px;perspective:900px}
.orbit{position:absolute;left:-12%;top:-8%;width:124%;height:116%;overflow:visible;pointer-events:none}
.orbit .ring{stroke:#cfd6e6;stroke-width:1.5;stroke-dasharray:4 8;fill:none}
.orbit .d1{fill:var(--accent)}.orbit .d2{fill:var(--green)}.orbit .d3{fill:var(--sun)}
.tilt{position:absolute;inset:0;transform-style:preserve-3d;transform:rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .5s var(--out)}
.card{position:absolute;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 20px 50px rgba(13,19,36,.09);padding:22px}
.c1{left:0;top:0;width:78%;animation:pop .9s var(--spring) .35s both,float 6s ease-in-out 1.3s infinite}
.c2{right:0;top:205px;width:70%;background:var(--accent);color:#fff;border:0;animation:pop .9s var(--spring) .55s both,float 7s ease-in-out 1.5s infinite reverse}
.chip{position:absolute;left:2%;bottom:30px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-size:13px;font-weight:700;box-shadow:0 10px 26px rgba(13,19,36,.08);animation:pop .9s var(--spring) .8s both,float 5s ease-in-out 1.7s infinite}
.chip::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--sun);margin-right:7px;vertical-align:1px}
@keyframes pop{from{opacity:0;transform:translateY(30px) scale(.92)}}
@keyframes float{50%{transform:translateY(-9px)}}
.c1 img{width:44px;height:44px;border-radius:12px}
.c1 h3{margin:12px 0 4px}.c2 h3{margin:0 0 4px}
.c1 p,.c2 p{margin:0;font-size:14px;color:var(--muted)}.c2 p{color:#dfe6ff}
.live{position:absolute;right:18px;top:18px;display:flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:var(--green);background:#e9f8ef;border-radius:999px;padding:4px 10px}
.live i{position:relative;width:8px;height:8px;border-radius:50%;background:var(--green)}
.live i::after{content:"";position:absolute;inset:0;border-radius:50%;background:var(--green);animation:ping 1.8s ease-out infinite}
@keyframes ping{to{transform:scale(2.8);opacity:0}}
.dots{display:flex;gap:5px;margin-top:12px}
.dots i{width:7px;height:7px;border-radius:50%;background:#fff;opacity:.55;animation:typing 1.3s ease-in-out infinite}
.dots i:nth-child(2){animation-delay:.15s}.dots i:nth-child(3){animation-delay:.3s}
@keyframes typing{30%{transform:translateY(-5px);opacity:1}}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:8px}
.st{padding:26px 8px;text-align:center}
.st+.st{border-left:1px solid var(--line)}
.st b{display:block;font-size:42px;letter-spacing:-1.5px;line-height:1.1;font-variant-numeric:tabular-nums}
.st>span{color:var(--muted);font-size:14px}

/* Sections */
section{padding:72px 0}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:1.5px;color:var(--accent);text-transform:uppercase}
h2{font-size:38px;letter-spacing:-1px;margin:8px 0 32px;line-height:1.2}
:lang(ko) h2{letter-spacing:-.6px}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.prod{border:1px solid var(--line);border-radius:20px;padding:28px;background:#fff;transition:transform .45s var(--spring),box-shadow .35s,border-color .35s}
.prod:hover{transform:translateY(-6px);box-shadow:0 22px 44px rgba(13,19,36,.09);border-color:#d5dbea}
.prod.big{display:grid;grid-template-columns:1fr 1.1fr;gap:36px;align-items:center;background:var(--soft);margin-bottom:20px}
.prod.big .bt img{margin-bottom:16px}
.prod.big h3{font-size:26px;display:flex;align-items:center;gap:10px}
.prod.big h3 .live{position:static}
.prod.big .frame{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}
.prod .bt img{width:72px;height:72px;border-radius:18px;transition:transform .5s var(--spring)}
.prod:hover .bt img,.prod:hover .mono{transform:rotate(-8deg) scale(1.06)}
.prod h3{margin:0 0 6px;font-size:22px}.prod p{margin:0;color:var(--muted)}
.mono{display:grid;place-items:center;width:52px;height:52px;border-radius:15px;color:#fff;font-weight:800;font-size:22px;margin-bottom:16px;transition:transform .5s var(--spring)}
.m1{background:linear-gradient(135deg,#ff8a3d,#f25a1d)}.m2{background:linear-gradient(135deg,#4c6bff,#7a3dff)}.m3{background:linear-gradient(135deg,#ffc23d,#f08c00)}
.tag{display:inline-block;margin-top:14px;font-size:13px;font-weight:600;color:var(--accent)}
.tag em{display:inline-block;font-style:normal;transition:transform .35s var(--spring)}
.prod:hover .tag em{transform:translateX(5px)}

.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.sv{background:var(--soft);border-radius:16px;padding:22px;transition:background .3s,transform .45s var(--spring)}
.sv:hover{background:var(--accent-soft);transform:translateY(-4px)}
.sv svg{display:block;width:44px;height:44px;padding:9px;border-radius:12px;background:var(--accent-soft);margin-bottom:14px;fill:none;stroke:var(--accent);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:background .3s}
.sv:hover svg{background:#fff;animation:wiggle .6s var(--spring)}
@keyframes wiggle{25%{transform:rotate(-10deg) scale(1.08)}60%{transform:rotate(6deg)}}
.sv h3{font-size:16px;margin:0 0 6px}.sv p{margin:0;font-size:14px;color:var(--muted)}

/* Work: real sites in browser frames; pointing at one scrolls it */
.hint{margin:-18px 0 26px;color:var(--muted);font-size:15px}
.hint .tc{display:none}
.work{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.w{display:block;border-radius:20px;border:1px solid var(--line);background:#fff;overflow:hidden;transition:transform .45s var(--spring),box-shadow .35s}
.w:hover{transform:translateY(-6px);box-shadow:0 22px 44px rgba(13,19,36,.1)}
.bar{display:flex;align-items:center;gap:6px;padding:10px 12px;background:var(--soft);border-bottom:1px solid var(--line)}
.bar i{width:9px;height:9px;border-radius:50%;background:#d7dce7}
.bar i:first-child{background:#ff6b5f}.bar i:nth-child(2){background:#ffbd2e}.bar i:nth-child(3){background:#28c840}
.bar span{margin-left:8px;flex:1;background:#fff;border-radius:6px;padding:2px 10px;font-size:12px;color:var(--muted)}
.screen{height:260px;overflow:hidden;background:var(--soft)}
.screen img{width:100%;height:auto;transition:transform 1.2s var(--out)}
.w:hover .screen img,.prod.big:hover .screen img{transform:translateY(calc(-100% + 260px));transition:transform 7s cubic-bezier(.45,0,.55,1)}
.w .t{padding:18px 20px}.w h3{margin:0 0 4px}.w p{margin:0;color:var(--muted);font-size:14px}

.about{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
.about h2{margin-bottom:12px}.about p{color:var(--muted);font-size:17px}

.contact{--x:50%;--y:0%;background:radial-gradient(520px circle at var(--x) var(--y),rgba(0,120,200,.42),transparent 60%),var(--ink);color:#fff;border-radius:28px;padding:56px;text-align:center}
.contact h2{color:#fff}.contact p{color:#b8c0d4;margin:0 0 24px}

footer{padding:40px 0;color:var(--muted);font-size:14px;border-top:1px solid var(--line);margin-top:40px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.fl{display:flex;gap:18px}.fl a:hover{color:var(--ink)}

/* Simple text pages */
.narrow{max-width:760px;padding-top:56px;padding-bottom:40px}
.doc h1{font-size:42px}.doc main p{font-size:17px}.muted{color:var(--muted)}

/* Reveal on scroll (only when JS is running) */
html.js .rv{opacity:0;transform:translateY(22px);transition:opacity .8s var(--out),transform .8s var(--out);transition-delay:var(--d,0ms)}
html.js .rv.in{opacity:1;transform:none}
html.js .w.rv.in,html.js .prod.rv.in,html.js .sv.rv.in{transition:opacity .8s var(--out) var(--d,0ms),transform .45s var(--spring),box-shadow .35s,background .3s,border-color .35s}
html.js .sv.rv svg *{stroke-dasharray:1;stroke-dashoffset:1}
html.js .sv.rv.in svg *{stroke-dashoffset:0;transition:stroke-dashoffset 1.1s var(--out) calc(var(--d,0ms) + 250ms)}

/* Blockchain: dark band; network blocks light up in turn while a pulse runs along the links */
.dark{background:var(--ink);color:#fff;padding:84px 0;margin:24px 0}
.dark h2{color:#fff}.dark .eyebrow{color:var(--brand)}
.sub{color:var(--muted);font-size:18px;max-width:640px;margin:-14px 0 32px}
.dark .sub{color:#b8c0d4}
.nets{margin-bottom:34px}
.nl{display:block;font-size:13px;color:#8e98b3;margin-bottom:12px}
.chainrow{display:flex;flex-wrap:wrap;align-items:center;row-gap:12px}
.blk{display:inline-flex;align-items:center;gap:9px;padding:10px 15px;border:1px solid var(--dkl);border-radius:12px;background:var(--dk);font-weight:600;font-size:15px;animation:lit 6s ease-in-out infinite;animation-delay:calc(var(--i)*1s)}
.blk i{width:9px;height:9px;border-radius:3px;background:var(--brand)}
@keyframes lit{0%,24%,100%{border-color:var(--dkl);box-shadow:none}8%{border-color:var(--brand);box-shadow:0 0 0 4px rgba(0,174,239,.16)}}
.lnk{position:relative;width:26px;height:2px;background:var(--dkl);overflow:hidden}
.lnk::after{content:"";position:absolute;top:0;bottom:0;width:45%;background:var(--brand);animation:flow 1.4s linear infinite}
@keyframes flow{from{transform:translateX(-100%)}to{transform:translateX(230%)}}
.cgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cc{background:var(--dk);border:1px solid var(--dkl);border-radius:18px;padding:22px;transition:border-color .3s,transform .45s var(--spring)}
.cc:hover{border-color:var(--brand);transform:translateY(-4px)}
.cn{font-size:13px;font-weight:800;color:var(--brand)}
.cc h3{margin:8px 0 6px;font-size:18px}.cc p{margin:0;color:#b8c0d4;font-size:14px}

/* More work */
.mh{font-size:20px;margin:48px 0 16px}
.more{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.mc{border:1px solid var(--line);border-radius:16px;padding:20px;transition:transform .45s var(--spring),box-shadow .35s}
.mc:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(13,19,36,.07)}
.mc h4{margin:0 0 6px;font-size:16px}.mc p{margin:0;color:var(--muted);font-size:14px}

/* Hardware */
.hw{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.hw h2{margin-bottom:24px}.hw .sub{margin:0}
.hwl{list-style:none;margin:0;padding:0}
.hwl li{display:flex;align-items:center;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);font-weight:600}
.hwl li:first-child{border-top:1px solid var(--line)}
.hwl svg{flex:none;width:42px;height:42px;padding:9px;border-radius:12px;background:var(--accent-soft);fill:none;stroke:var(--accent);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.hwl li:hover svg{animation:wiggle .6s var(--spring)}

/* About timeline: the line draws down, then each year pops in */
.tl{list-style:none;margin:0;padding:0 0 0 30px;position:relative}
.tl::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--brand),var(--accent-soft))}
.tl li{position:relative;padding:0 0 22px}
.tl li:last-child{padding-bottom:0}
.tl li::before{content:"";position:absolute;left:-30px;top:5px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--brand)}
.tl li:last-child::before{background:var(--brand);box-shadow:0 0 0 6px rgba(0,174,239,.18)}
.tl b{display:block;color:var(--accent);font-size:15px}
.tl span{color:var(--ink)}
html.js .tl::before{transform:scaleY(0);transform-origin:top;transition:transform 1.4s var(--out) .2s}
html.js .tl.in::before{transform:none}
html.js .tl li{opacity:0;transform:translateX(-10px);transition:opacity .6s var(--out),transform .6s var(--spring);transition-delay:calc(var(--i)*220ms + 300ms)}
html.js .tl.in li{opacity:1;transform:none}

/* Phones */
@media (max-width:719.98px){
  .links{display:none}.lang{margin-left:auto}
  .hero{grid-template-columns:1fr;padding:44px 0 32px;gap:30px}
  h1{font-size:40px;letter-spacing:-1.2px}.lead{font-size:17px}
  .stack{height:330px}.c2{top:185px}.chip{display:none}.orbit{left:-4%;width:108%}
  .stats{grid-template-columns:1fr 1fr 1fr}.st{padding:20px 4px}.st b{font-size:30px}.st>span{font-size:12px;display:block;line-height:1.35}
  .grid3,.work,.cgrid,.more{grid-template-columns:1fr}
  .prod.big{grid-template-columns:1fr;gap:24px}
  .lnk{display:none}.chainrow{gap:10px}
  .dark{padding:56px 0}
  .hw,.about{grid-template-columns:1fr;gap:30px}
  .svc{grid-template-columns:1fr 1fr}
  .contact{padding:40px 22px}
  h2{font-size:30px}section{padding:52px 0}
}
@media (min-width:720px) and (max-width:979.98px){
  h1{font-size:46px}.hero{gap:28px}
  .cgrid,.more{grid-template-columns:1fr 1fr}
  .prod.big{grid-template-columns:1fr}
}
/* Six links + language pills need room: below this width the section links hide */
@media (max-width:1079.98px){.links{display:none}.lang{margin-left:auto}}

/* Touch screens have no pointer to hover: frames scroll on their own once on screen */
@media (hover:none){
  .hint .hv{display:none}.hint .tc{display:inline}
  .w.in .screen img,.prod.big.in .screen img{animation:autoscroll 14s cubic-bezier(.45,0,.55,1) 1s infinite alternate}
  .w:hover .screen img,.prod.big:hover .screen img{transform:none}
}
@keyframes autoscroll{0%,12%{transform:none}88%,100%{transform:translateY(calc(-100% + 260px))}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .orbit circle{display:none}
  .hl{background-size:100% .3em}
  html.js .rv{opacity:1;transform:none}
  html.js .sv.rv svg *{stroke-dashoffset:0}
  .w:hover .screen img,.w.in .screen img,.prod.big:hover .screen img{transform:none}
  html.js .tl li{opacity:1;transform:none}html.js .tl::before{transform:none}
  .tilt{transform:none}
}

/* 404 page */
.nf{text-align:center;padding-top:96px}.nf h1{font-size:96px;letter-spacing:-4px;margin:0;color:var(--accent)}.nf .btns{justify-content:center;animation:none}