:root{
  --bg:#0a0c12; --bg2:#0f121a; --card:#141824; --line:rgba(255,255,255,.09);
  --text:#e8ebf2; --muted:#98a1b3; --pink:#ee2b7c; --pink2:#ff6aa8; --blue:#5b8cff;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Consolas,monospace;
  --sans:"Pretendard Variable",Pretendard,-apple-system,"Segoe UI","Malgun Gothic",sans-serif;
  --r:20px; --max:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{word-break:keep-all;overflow-wrap:break-word;background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{width:min(var(--max),100% - 40px);margin-inline:auto}
.mono{font-family:var(--mono)}
.eyebrow{font-family:var(--mono);font-size:.78rem;letter-spacing:.14em;color:var(--pink2);text-transform:uppercase}
:focus-visible{outline:2px solid var(--pink2);outline-offset:3px;border-radius:6px}

/* header */
.header{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
.header.scrolled{background:rgba(10,12,18,.8);backdrop-filter:blur(14px);border-color:var(--line)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo img{height:26px;width:auto}
.nav{display:flex;align-items:center;gap:30px}
.nav a{font-size:.95rem;color:var(--muted);transition:color .2s}
.nav a:hover,.nav a.on{color:#fff}
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 26px;border-radius:999px;font-weight:600;font-size:.97rem;border:1px solid transparent;cursor:pointer;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s;font-family:inherit}
.btn-primary{background:var(--pink);color:#fff;box-shadow:0 8px 30px -8px rgba(238,43,124,.7)}
.btn-primary:hover{background:#ff3b8d;transform:translateY(-2px)}
.btn-ghost{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:rgba(255,255,255,.3);transform:translateY(-2px)}
.nav .btn{padding:9px 20px;font-size:.9rem;color:#fff}
.burger{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;position:relative}
.burger span,.burger::before,.burger::after{content:"";position:absolute;left:9px;right:9px;height:2px;background:#fff;border-radius:2px;transition:transform .25s,opacity .25s}
.burger::before{top:13px}.burger span{top:19px}.burger::after{top:25px}
.burger[aria-expanded=true]::before{transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded=true]::after{transform:translateY(-6px) rotate(-45deg)}
.burger[aria-expanded=true] span{opacity:0}

/* hero */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding:120px 0 60px;overflow:hidden;isolation:isolate}
#circuit{position:absolute;inset:0;width:100%;height:100%;z-index:-2}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(ellipse 70% 60% at 30% 45%,rgba(10,12,18,.86),rgba(10,12,18,.35) 70%,transparent),linear-gradient(to top,var(--bg),transparent 30%)}
.hero h1{font-size:clamp(2.5rem,7.2vw,5.6rem);line-height:1.1;font-weight:800;letter-spacing:-.035em;margin:22px 0 26px}
.hero h1 em{font-style:normal;background:linear-gradient(95deg,var(--pink),var(--pink2) 60%,#ffb199);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{max-width:600px;font-size:clamp(1.02rem,1.6vw,1.2rem);color:#b9c0cf}
.cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:clamp(50px,9vh,100px);border-top:1px solid var(--line);max-width:760px}
.stat{padding:22px 20px 0 0}
.stat b{display:block;font-family:var(--mono);font-size:clamp(1.8rem,4vw,2.8rem);font-weight:600;line-height:1.1}
.stat small{color:var(--muted);font-size:.88rem}

/* sections */
section{padding:clamp(80px,12vw,150px) 0}
.sec-head{max-width:720px;margin-bottom:clamp(40px,6vw,70px)}
.sec-head h2{font-size:clamp(1.9rem,4.4vw,3.2rem);line-height:1.2;letter-spacing:-.03em;font-weight:800;margin:14px 0 16px}
.sec-head p{color:var(--muted);font-size:1.05rem}

/* bento */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:clamp(24px,3vw,38px);overflow:hidden;transition:border-color .3s,transform .3s}
.card:hover{border-color:rgba(238,43,124,.45);transform:translateY(-4px)}
.card .no{font-family:var(--mono);font-size:.8rem;color:var(--pink2);letter-spacing:.12em}
.card h3{font-size:clamp(1.3rem,2.2vw,1.7rem);letter-spacing:-.02em;margin:10px 0 6px;line-height:1.3}
.card .sub{color:var(--muted);font-size:.95rem;margin-bottom:20px}
.card li{padding:9px 0;border-top:1px solid var(--line);font-size:.96rem;color:#cfd5e1}
.card li small{display:block;color:var(--muted);font-size:.84rem;font-family:var(--mono);margin-top:2px}
.card.col{display:flex;flex-direction:column}
.deco{margin-top:auto;padding-top:26px;font-family:var(--mono);font-size:.8rem;line-height:1.7;color:#7d869a}
.deco pre{font:inherit;white-space:pre-wrap;background:rgba(0,0,0,.28);border:1px solid var(--line);border-radius:12px;padding:16px 18px;overflow:hidden}
.deco .k{color:var(--pink2)}.deco .c{color:#566074}.deco .n{color:var(--blue)}
.flow{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.flow span{border:1px solid var(--line);border-radius:10px;padding:8px 12px;background:rgba(0,0,0,.28);color:#cfd5e1}
.flow i{font-style:normal;color:var(--pink2)}
.c-e{grid-column:span 4}.c-h{grid-column:span 6}
.card .txt{color:#cfd5e1;font-size:.98rem;margin-top:4px}
.hero-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(30px,5vw,70px);align-items:center}
.hero-fig{position:relative;margin:0;justify-self:end;width:min(100%,430px)}
.hero-fig svg{display:block;width:100%;height:auto;padding:14px;border-radius:var(--r);border:1px solid var(--line);background:radial-gradient(ellipse at 50% 35%,rgba(238,43,124,.16),rgba(20,24,36,.85) 70%);box-shadow:0 30px 80px -30px rgba(238,43,124,.45)}
.hero-fig figcaption{position:absolute;left:18px;bottom:16px;font-size:.72rem;letter-spacing:.14em;color:#e8ebf2;background:rgba(10,12,18,.7);border:1px solid var(--line);padding:4px 10px;border-radius:999px}
svg text{font-family:var(--sans)}
.led{animation:blink 2.4s ease-in-out infinite}.led.l2{animation-delay:1.2s}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
.arch{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:14px;align-items:stretch}
.arch .box{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;flex-direction:column;gap:10px}
.arch .box.hl{border-color:rgba(238,43,124,.5);box-shadow:0 0 0 1px rgba(238,43,124,.15) inset}
.arch .tag{color:var(--pink2);font-size:.8rem;letter-spacing:.12em}
.arch h3{font-size:1.25rem;letter-spacing:-.02em}
.arch p{color:var(--muted);font-size:.93rem}
.arch .viz{margin-top:auto;display:block;width:100%;height:auto;max-height:200px;padding:10px;border-radius:12px;background:#0b1220;border:1px solid var(--line)}
.arch .sizes{margin-top:auto;color:var(--pink2);font-size:.85rem}
.arch .arrow{align-self:center;color:var(--pink2);font-size:1.6rem}
.sig{margin-top:36px}
.sig h3{font-size:.8rem;letter-spacing:.12em;color:var(--muted);font-weight:500;margin-bottom:14px}
.card .no{display:block}
.behind{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(30px,6vw,80px);align-items:center}
.behind h2{font-size:clamp(1.9rem,4.2vw,3rem);line-height:1.2;letter-spacing:-.03em;font-weight:800;margin:14px 0 16px}
.behind p{color:var(--muted)}
.photo-frame{border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
.photo-frame img{width:100%;aspect-ratio:4/3;object-fit:cover;filter:saturate(.9) brightness(.85)}
.c-a{grid-column:span 7}.c-b{grid-column:span 5}.c-c{grid-column:span 5}.c-d{grid-column:span 7}
.card.photo{padding:0;display:flex;flex-direction:column}
.card.photo .body{padding:clamp(24px,3vw,38px)}
.card.photo img{width:100%;height:220px;object-fit:cover;order:-1;filter:saturate(.9) brightness(.85);transition:transform .6s}
.card.photo:hover img{transform:scale(1.04)}
.card.photo .imgwrap{overflow:hidden}
.card.photo .imgwrap img{order:0}

/* process */
.process{background:var(--bg2);border-block:1px solid var(--line)}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;counter-reset:s}
.step{padding:0 22px 0 0;position:relative}
.step::before{content:"";position:absolute;top:14px;left:34px;right:0;height:1px;background:linear-gradient(90deg,var(--pink),var(--line))}
.step:last-child::before{display:none}
.dot{width:30px;height:30px;border-radius:50%;background:var(--bg);border:2px solid var(--pink);display:grid;place-items:center;font-family:var(--mono);font-size:.72rem;color:var(--pink2);position:relative;z-index:1}
.step h3{margin:22px 0 8px;font-size:1.15rem}
.step p{color:var(--muted);font-size:.92rem}

/* stack */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{font-family:var(--mono);font-size:.88rem;padding:9px 16px;border:1px solid var(--line);border-radius:999px;color:#cfd5e1;background:rgba(255,255,255,.02);transition:.2s}
.chip:hover{border-color:var(--pink);color:#fff;background:rgba(238,43,124,.1)}
.stack-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.stack-grid h3{font-family:var(--mono);font-size:.8rem;letter-spacing:.12em;color:var(--muted);text-transform:uppercase;margin-bottom:16px;font-weight:500}

/* timeline */
.tl-wrap{display:grid;grid-template-columns:1fr 1.4fr;gap:clamp(30px,6vw,90px);align-items:start}
.tl-wrap .sec-head{position:sticky;top:110px;margin-bottom:0}
.partners{margin-top:28px;display:flex;flex-wrap:wrap;gap:8px}
.partners .chip{font-family:var(--sans);font-size:.85rem;padding:6px 14px}
.timeline{border-left:1px solid var(--line);margin-left:6px}
.ev{position:relative;padding:0 0 34px 34px}
.ev::before{content:"";position:absolute;left:-6px;top:8px;width:11px;height:11px;border-radius:50%;background:var(--bg);border:2px solid var(--pink)}
.ev.hl::before{background:var(--pink);box-shadow:0 0 0 6px rgba(238,43,124,.2)}
.ev time{font-family:var(--mono);color:var(--pink2);font-size:.85rem;letter-spacing:.08em}
.ev p{font-size:1.05rem;margin-top:2px}

/* contact */
.contact{background:var(--bg2);border-top:1px solid var(--line)}
.ct{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(30px,6vw,80px)}
.ct h2{font-size:clamp(2rem,5vw,3.6rem);line-height:1.15;letter-spacing:-.035em;font-weight:800;margin:14px 0 18px}
.ct>div>p{color:var(--muted);max-width:460px}
.info{margin-top:34px;display:grid;gap:18px}
.info div{display:grid;grid-template-columns:90px 1fr;gap:10px;border-top:1px solid var(--line);padding-top:16px}
.info dt{font-family:var(--mono);font-size:.78rem;color:var(--muted);letter-spacing:.1em;padding-top:3px}
.info a:hover{color:var(--pink2)}
form{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:clamp(22px,3vw,36px);display:grid;gap:16px;align-content:start}
label{display:grid;gap:7px;font-size:.88rem;color:var(--muted)}
input,textarea,select{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:13px 15px;color:var(--text);font:inherit;font-size:.98rem;transition:border-color .2s}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--pink)}
textarea{min-height:130px;resize:vertical}
.note{font-size:.8rem;color:var(--muted)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
label.consent{display:flex;align-items:center;gap:10px;color:var(--text);font-size:.92rem}
label.consent input{width:18px;height:18px;accent-color:var(--pink);flex:none;padding:0}
.privacy{font-size:.82rem;color:var(--muted)}
.privacy summary{cursor:pointer;width:max-content}
.privacy p{margin-top:8px;line-height:1.7}
.form-status{font-size:.9rem;min-height:1.2em}
.form-status.ok{color:#3ddc84}.form-status.err{color:var(--pink2)}
button.btn:disabled{opacity:.6;cursor:wait;transform:none}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}

footer{padding:40px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.88rem}
footer .wrap{display:flex;flex-wrap:wrap;gap:16px 40px;justify-content:space-between;align-items:center}
footer img{height:22px;opacity:.9}
footer .since{width:100%;text-align:center;padding-top:28px;margin-top:8px;border-top:1px solid var(--line);font-size:.8rem;letter-spacing:.35em;color:var(--pink2)}

/* reveal */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0s)}
.rv.in{opacity:1;transform:none}
.no-js .rv{opacity:1;transform:none}

@media (max-width:980px){
  .c-a,.c-b,.c-c,.c-d,.c-e,.c-h{grid-column:span 12}
  .behind{grid-template-columns:1fr}
  .hero-grid{grid-template-columns:1fr}
  .hero-fig{justify-self:start;width:min(100%,320px);margin-top:10px}
  .arch{grid-template-columns:1fr}
  .arch .arrow{transform:rotate(90deg);justify-self:center}
  .steps{grid-template-columns:1fr;gap:26px}
  .step{padding:0 0 0 48px}
  .step::before{top:34px;bottom:-26px;left:14px;right:auto;width:1px;height:auto;background:linear-gradient(var(--pink),var(--line))}
  .dot{position:absolute;left:0;top:0}
  .step h3{margin:2px 0 6px}
  .stack-grid{grid-template-columns:1fr;gap:30px}
  .tl-wrap,.ct{grid-template-columns:1fr}
  .tl-wrap .sec-head{position:static}
}
@media (max-width:760px){
  .burger{display:block}
  .nav{position:fixed;inset:68px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:rgba(10,12,18,.97);backdrop-filter:blur(14px);padding:10px 20px 24px;border-bottom:1px solid var(--line);transform:translateY(-14px);opacity:0;pointer-events:none;transition:.25s}
  .nav.open{transform:none;opacity:1;pointer-events:auto}
  .nav a{padding:15px 0;border-bottom:1px solid var(--line);font-size:1.05rem}
  .nav .btn{margin-top:16px;justify-content:center;padding:14px}
  .stats{grid-template-columns:repeat(3,1fr)}
  .stat{padding-right:8px}
  .row2{grid-template-columns:1fr}
  .info div{grid-template-columns:70px 1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none;transition:none}
  *{animation:none!important}
}