:root{
  --bg:#0a0908; --bg2:#12100e; --fg:#efe9df; --mute:#8f877b; --line:rgba(239,233,223,.14);
  --acc:#ff4a2b;
  --serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"Inter","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.2,.7,.1,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;background:var(--bg)}
body{background:var(--bg);color:var(--fg);font-family:var(--sans);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
ul{list-style:none}
::selection{background:var(--acc);color:#000}
.idx{font-family:var(--mono);font-size:12px;letter-spacing:.2em;color:var(--mute)}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.15}

/* grain + cursor */
.grain{position:fixed;inset:-50%;z-index:90;pointer-events:none;opacity:.07;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  animation:grain 1s steps(6) infinite}
@keyframes grain{0%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-3%)}60%{transform:translate(-2%,-1%)}80%{transform:translate(3%,3%)}100%{transform:translate(0,0)}}
.cursor{position:fixed;left:0;top:0;width:14px;height:14px;margin:-7px 0 0 -7px;border:1px solid var(--fg);border-radius:50%;z-index:100;pointer-events:none;mix-blend-mode:difference;transition:width .3s var(--ease),height .3s var(--ease),margin .3s var(--ease),background .3s;opacity:0}
.cursor.on{opacity:1}
.cursor.big{width:64px;height:64px;margin:-32px 0 0 -32px;background:#fff}
@media(hover:none){.cursor{display:none}}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:22px 4vw;mix-blend-mode:difference;color:#fff}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--sans);font-size:15px;font-weight:700;letter-spacing:.22em;white-space:nowrap}
.logo i{width:10px;height:10px;background:var(--acc);border-radius:50%}
.logo small{font-family:var(--mono);font-size:10px;letter-spacing:.3em;opacity:.6;font-weight:400}
.nav nav{display:flex;gap:40px;font-size:14px}
.nav nav a{position:relative;opacity:.8;transition:opacity .3s}
.nav nav a:hover{opacity:1}
.nav nav a::after{content:"";position:absolute;left:0;bottom:-4px;height:1px;width:0;background:currentColor;transition:width .4s var(--ease)}
.nav nav a:hover::after{width:100%}
.btn-line{font-size:13px;padding:9px 20px;border:1px solid currentColor;border-radius:99px;transition:background .3s,color .3s}
.btn-line:hover{background:#fff;color:#000}

/* hero */
.hero{position:relative;height:100svh;min-height:640px;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;padding:96px 4vw 36px}
.hero-fallback,.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-video{opacity:0;transition:opacity 1.2s;filter:saturate(.9) contrast(1.05)}
.hero-video.ready{opacity:1}
.hero-shade{position:absolute;inset:0;background:
  radial-gradient(120% 80% at 50% 110%,rgba(10,9,8,.95),transparent 60%),
  linear-gradient(180deg,rgba(10,9,8,.55),rgba(10,9,8,.15) 40%,rgba(10,9,8,.75))}
.hero>*:not(.hero-fallback):not(.hero-video):not(.hero-shade){position:relative;z-index:2}
.hero-meta{display:flex;justify-content:space-between;align-items:flex-end;font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:rgba(239,233,223,.75)}
.hero-meta.top{align-items:flex-start;padding-top:8px}
.hero-meta.bottom p{font-family:var(--sans);font-size:15px;letter-spacing:.04em;max-width:420px;line-height:1.9}
.hero-title{font-size:clamp(44px,8.4vw,150px);font-weight:700;letter-spacing:-.01em;line-height:1.08}
.hero-title .line{display:block;overflow:hidden;padding-bottom:.08em}
.hero-title .line>span{display:inline-block;transform:translateY(110%);animation:rise 1.3s var(--ease) forwards}
.hero-title .line:nth-child(2)>span{animation-delay:.15s}
.hero-title em{font-style:normal;color:var(--acc)}
@keyframes rise{to{transform:none}}
.scroll{display:flex;align-items:center;gap:14px}
.scroll i{display:block;width:1px;height:56px;background:linear-gradient(var(--fg),transparent);transform-origin:top;animation:drip 2s ease-in-out infinite}
@keyframes drip{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}

/* marquee */
.marquee{overflow:hidden;border-block:1px solid var(--line);padding:22px 0;background:var(--bg)}
.track{display:flex;gap:44px;width:max-content;font-family:var(--serif);font-size:clamp(28px,4vw,56px);animation:mq 38s linear infinite;white-space:nowrap}
.track span:nth-child(even){color:var(--acc);font-size:.5em;align-self:center}
@keyframes mq{to{transform:translateX(-50%)}}

/* sections */
section{position:relative}
.sec-head{display:flex;flex-direction:column;gap:22px}
.sec-head h2{font-size:clamp(36px,5.6vw,92px)}
.reveal{opacity:0;transform:translateY(48px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* business */
.business{padding:18vh 4vw 14vh}
.biz-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:9vh}
.biz{position:relative;min-height:560px;padding:44px;display:flex;flex-direction:column;justify-content:flex-end;gap:18px;overflow:hidden;border:1px solid var(--line);isolation:isolate}
.biz-bg{position:absolute;inset:0;z-index:-1;background:
  linear-gradient(180deg,rgba(8,6,5,.15) 0%,rgba(8,6,5,.35) 45%,rgba(8,6,5,.92) 100%),
  var(--img) center top/cover no-repeat,#060505;
  transition:transform 1.2s var(--ease),filter .6s}
.biz:hover .biz-bg{transform:scale(1.12);filter:brightness(1.25)}
.biz .idx{position:absolute;top:36px;left:44px}
.biz h3{font-size:clamp(44px,5vw,84px)}
.biz p{max-width:480px;color:rgba(239,233,223,.78)}
.biz ul{display:flex;flex-wrap:wrap;gap:8px}
.biz li{font-size:13px;padding:5px 14px;border:1px solid var(--line);border-radius:99px;color:var(--mute)}
.more{margin-top:8px;display:inline-flex;gap:10px;font-size:14px;width:max-content;border-bottom:1px solid var(--fg);padding-bottom:3px}
.more i{font-style:normal;transition:transform .4s var(--ease)}
.more:hover i{transform:translateX(8px)}

/* pipeline */
.pipeline{display:grid;grid-template-columns:1fr 1fr;gap:6vw;padding:10vh 4vw 14vh;border-top:1px solid var(--line)}
.pl-left{position:sticky;top:0;height:100svh;display:flex;flex-direction:column;justify-content:center;gap:28px}
.frame{--fh:12;position:relative;aspect-ratio:16/10;max-height:68svh;overflow:hidden;background:#000;transition:box-shadow .8s}
.frame-art{position:absolute;inset:0;background:linear-gradient(rgba(8,6,5,.05),rgba(8,6,5,.45)),var(--fimg) center/cover no-repeat,#050404;transition:opacity .35s}
.frame-art.swap{opacity:.2}
.frame-art::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(0,0,0,.22) 0 1px,transparent 1px 3px)}
.frame-num{position:absolute;left:24px;bottom:18px;font-family:var(--serif);font-size:clamp(80px,11vw,170px);line-height:1;color:var(--fg);mix-blend-mode:overlay;font-weight:700}
.frame-cap{position:absolute;right:24px;top:22px;font-family:var(--mono);font-size:12px;letter-spacing:.3em}
.corner{position:absolute;width:18px;height:18px;border:1px solid var(--fg)}
.corner.tl{top:12px;left:12px;border-right:0;border-bottom:0}.corner.tr{top:12px;right:12px;border-left:0;border-bottom:0}
.corner.bl{bottom:12px;left:12px;border-right:0;border-top:0}.corner.br{bottom:12px;right:12px;border-left:0;border-top:0}
.progress{height:1px;background:var(--line)}
.progress b{display:block;height:100%;width:20%;background:var(--acc);transition:width .6s var(--ease)}
.pl-left .idx{position:absolute;top:7vh}
.pl-right{padding-top:10vh}
.pl-right>h2{font-size:clamp(32px,4vw,64px);margin-bottom:12vh}
.step{min-height:62vh;padding-top:3vh;border-top:1px solid var(--line);opacity:.28;transition:opacity .6s}
.step.active{opacity:1}
.step::before{content:attr(data-n);display:block;font-family:var(--mono);color:var(--acc);font-size:13px;letter-spacing:.2em;margin-bottom:22px}
.step h3{font-size:clamp(36px,4.4vw,72px);margin-bottom:20px}
.step p{max-width:460px;color:rgba(239,233,223,.75)}

/* works */
.works{padding:14vh 0 12vh;border-top:1px solid var(--line);overflow:hidden}
.works .sec-head{padding:0 4vw}
.rail{display:flex;gap:22px;padding:8vh 4vw 0;overflow-x:auto;scrollbar-width:none;cursor:grab}
.rail::-webkit-scrollbar{display:none}
.rail.drag{cursor:grabbing;user-select:none}
.poster{--h:10;position:relative;flex:0 0 clamp(240px,24vw,360px);aspect-ratio:2/3;padding:20px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;isolation:isolate;
  background:linear-gradient(180deg,rgba(5,4,4,.15),rgba(5,4,4,.0) 40%,rgba(5,4,4,.8)),var(--img) center/cover,hsl(var(--h),40%,14%);
  transition:transform .8s var(--ease)}
.poster::before{content:"";position:absolute;inset:0;z-index:-1;background:repeating-linear-gradient(0deg,rgba(0,0,0,.2) 0 1px,transparent 1px 3px)}
.poster::after{content:"";position:absolute;inset:10px;border:1px solid rgba(239,233,223,.25);pointer-events:none;transition:inset .6s var(--ease)}
.poster:hover{transform:translateY(-14px)}
.poster:hover::after{inset:16px}
.poster .tag{font-family:var(--mono);font-size:11px;letter-spacing:.14em;padding:6px 14px 0}
.poster b{font-family:var(--serif);font-size:clamp(18px,1.7vw,24px);line-height:1.25;padding:0 14px 14px;max-width:100%;overflow-wrap:break-word;text-shadow:0 2px 12px rgba(0,0,0,.6)}
.poster small{position:absolute;right:26px;top:22px;font-family:var(--mono);font-size:11px;opacity:.7}
.poster .tag{align-self:flex-start;margin-top:0}
.hint{padding:28px 4vw 0;font-family:var(--mono);font-size:12px;letter-spacing:.2em;color:var(--mute)}

/* data */
.data{padding:16vh 4vw;border-top:1px solid var(--line);overflow:hidden;background:var(--bg2)}
#dataCanvas{position:absolute;inset:0;width:100%;height:100%;opacity:.9}
.data-inner{position:relative;z-index:2}
.stats{display:grid;grid-template-columns:repeat(4,1fr);margin-top:14vh;border-top:1px solid var(--line)}
.stat{padding:32px 24px 0 0;border-right:1px solid var(--line);margin-right:24px}
.stat:last-child{border:0}
.stat b{display:block;font-family:var(--serif);font-size:clamp(36px,4vw,76px);line-height:1.05;font-weight:600;white-space:nowrap}
.stat span{display:block;margin-top:10px;color:var(--mute);font-size:14px}

/* cta */
.cta{min-height:90svh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:56px;text-align:center;padding:16vh 4vw;
  background:radial-gradient(60% 50% at 50% 100%,rgba(255,74,43,.35),transparent 70%)}
.cta h2{font-size:clamp(44px,8vw,140px)}
.btn-big{display:inline-flex;align-items:center;gap:20px;padding:22px 44px;border-radius:99px;background:var(--fg);color:#000;font-size:18px;font-weight:600;transition:background .4s,color .4s,gap .4s var(--ease)}
.btn-big:hover{background:var(--acc);gap:34px}
.btn-big i{font-style:normal}
.contacts{list-style:none;display:grid;grid-template-columns:repeat(3,auto);gap:24px 64px;text-align:left}
.contacts span{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--mute);margin-bottom:8px}
.contacts a{font-size:18px;border-bottom:1px solid var(--line);padding-bottom:2px;transition:color .3s,border-color .3s}
.contacts a:hover{color:var(--acc);border-color:var(--acc)}
@media(max-width:800px){.contacts{grid-template-columns:1fr;text-align:center}}

footer{display:grid;grid-template-columns:1fr auto;gap:30px;padding:56px 4vw 40px;border-top:1px solid var(--line)}
footer p{color:var(--mute);font-size:14px;margin-top:10px}
.fl{display:flex;gap:32px;font-size:14px;align-items:flex-start}
.copy{grid-column:1/-1;font-family:var(--mono);font-size:12px}

@media(max-width:860px){
  .nav nav{display:none}
  .biz-grid,.pipeline{grid-template-columns:1fr}
  .pl-left{position:sticky;top:64px;z-index:5;align-self:start;height:auto;padding:12px 0 10px;gap:10px;background:var(--bg)}
  .pl-left .idx{display:none}
  .frame{max-height:30svh}
  .step{min-height:40vh}
  .stats{grid-template-columns:1fr 1fr}
  .stat{margin:0;padding-bottom:24px;border-bottom:1px solid var(--line)}
  .hero-meta.bottom p{font-size:13px}.scroll{display:none}
  footer{grid-template-columns:1fr}
  .fl{gap:24px;flex-wrap:wrap}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}.hero-title .line>span{transform:none}}

.co{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr 1.4fr;gap:30px;padding-top:30px;border-top:1px solid var(--line);margin:0}
.co dt{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--mute)}
.co dd{margin:10px 0 0;font-size:14px;line-height:1.7}
@media(max-width:900px){.co{grid-template-columns:1fr;gap:22px}}
@media(max-width:600px){.logo{font-size:12px;letter-spacing:.14em;gap:7px}.btn-line{font-size:12px;padding:8px 12px;white-space:nowrap}}
@media(max-width:900px){.biz{min-height:520px;padding:72px 28px 32px}.biz .idx{top:28px;left:28px}.biz h3{font-size:clamp(34px,9vw,56px)}}
@media(max-width:480px){.hero-meta.top{font-size:10px;letter-spacing:.1em}.hero-meta.top .tc{display:none}.biz{padding:72px 22px 28px}.biz .idx{left:22px}}