/* ─── Fonts (self-hosted, OFL) ─── */
@font-face{font-family:"Inch Sans SC";src:url("/fonts/sans-sc.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Geist";src:url("/fonts/geist.woff2") format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Geist Mono";src:url("/fonts/geist-mono.woff2") format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Instrument Serif";src:url("/fonts/instrument-serif-italic.woff2") format("woff2");font-style:italic;font-weight:400;font-display:swap}

:root{
  --bg:#09090A;
  --bg-2:#0F0F11;
  --panel:#111113;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --text:#EDEDEF;
  --text-2:#A1A1A6;
  --text-3:#6B6B72;
  --red:#E5483B;
  --red-deep:#C8372D;
  --display:"Geist","Inch Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --sans:"Geist",-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --serif:"Instrument Serif",Georgia,serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text);font:400 16px/1.75 var(--sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:rgba(229,72,59,.35);color:#fff}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
.narrow{max-width:980px}
.mono{font-family:var(--mono)}

/* grain overlay */
.grain{position:fixed;inset:-50%;z-index:100;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%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")}

/* ─── Nav ─── */
.nav{position:fixed;top:14px;left:0;right:0;z-index:50;display:flex;justify-content:center;padding:0 16px}
.nav-inner{display:flex;align-items:center;gap:8px;width:100%;max-width:880px;height:52px;padding:0 8px 0 18px;border-radius:999px;
  background:rgba(18,18,20,.66);border:1px solid var(--line);backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%);
  box-shadow:0 10px 30px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.04)}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto;white-space:nowrap}
.brand-mark{width:22px;height:22px;color:#fff}
.brand-cn{font:500 15px/1 var(--display);letter-spacing:.02em}
.brand-en{font:500 13px/1 var(--sans);color:var(--text-3);padding-left:10px;border-left:1px solid var(--line-2)}
.nav nav{display:flex}
.nav nav a{font-size:14px;color:var(--text-2);padding:7px 14px;border-radius:999px;transition:color .2s,background .2s}
.nav nav a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-cta{font-size:14px;font-weight:500;color:#0A0A0A;background:#fff;padding:8px 16px;border-radius:999px;margin-left:6px;transition:opacity .2s}
.nav-cta:hover{opacity:.86}

/* ─── Hero ─── */
.hero{position:relative;padding:176px 0 0;text-align:center;overflow:hidden}
.hero-glow{position:absolute;left:50%;top:-260px;width:1300px;height:900px;transform:translateX(-50%);pointer-events:none;
  background:radial-gradient(closest-side,rgba(229,72,59,.30),rgba(229,72,59,.10) 45%,transparent 72%);filter:blur(10px)}
.hero-grid-bg{position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:72px 72px;background-position:center top;
  -webkit-mask-image:radial-gradient(ellipse 70% 55% at 50% 30%,#000 30%,transparent 75%);mask-image:radial-gradient(ellipse 70% 55% at 50% 30%,#000 30%,transparent 75%)}
.hero-copy{position:relative}
.badge{display:inline-flex;align-items:center;gap:10px;padding:6px 14px 6px 10px;border-radius:999px;border:1px solid var(--line-2);
  background:rgba(255,255,255,.03);font-size:13px;color:var(--text-2);transition:border-color .2s,background .2s}
.badge:hover{border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.06)}
.badge-dot{width:7px;height:7px;border-radius:50%;background:var(--red);box-shadow:0 0 0 3px rgba(229,72,59,.18),0 0 12px var(--red)}
.badge-arrow{color:var(--text-3)}
h1{margin:30px auto 0;font:500 clamp(54px,9.2vw,124px)/1.02 var(--display);letter-spacing:-.045em;
  background:linear-gradient(180deg,#fff 30%,rgba(255,255,255,.55));-webkit-background-clip:text;background-clip:text;color:transparent;padding-bottom:.06em}
.hero-en{margin:20px 0 0;font:400 clamp(20px,2.4vw,28px)/1.3 var(--sans);letter-spacing:-.02em;color:var(--text-2)}
.hero-en em{font:italic 400 1.18em/1 var(--serif);color:var(--text);letter-spacing:0}
.hero-sub{max-width:560px;margin:22px auto 0;font-size:16.5px;color:var(--text-2)}
.hero-cta{display:flex;justify-content:center;gap:12px;margin-top:36px}
.btn{display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:500;transition:transform .25s var(--ease),background .2s,border-color .2s,box-shadow .25s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:#fff;color:#0A0A0A;box-shadow:0 0 0 1px rgba(255,255,255,.2),0 8px 30px rgba(255,255,255,.12)}
.btn-primary:hover{box-shadow:0 0 0 1px rgba(255,255,255,.3),0 10px 40px rgba(255,255,255,.2)}
.btn-ghost{border:1px solid var(--line-2);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.06)}

/* phones */
.phone{margin:0;position:relative;border-radius:46px;padding:9px;background:linear-gradient(160deg,#2a2a2e,#121214 40%,#1c1c1f);
  box-shadow:0 0 0 1px rgba(255,255,255,.10),inset 0 0 0 1px rgba(255,255,255,.06),0 40px 80px -20px rgba(0,0,0,.8),0 20px 40px -10px rgba(0,0,0,.6)}
.phone img{width:100%;height:auto;border-radius:38px;aspect-ratio:640/1388;object-fit:cover;object-position:top}
.stage{position:relative;height:620px;margin-top:84px;-webkit-mask-image:linear-gradient(#000 62%,transparent);mask-image:linear-gradient(#000 62%,transparent)}
.stage .phone{position:absolute;top:0;left:50%;width:300px}
.phone-center{transform:translateX(-50%);z-index:3}
.phone-left{transform:translateX(-128%) translateY(70px) rotate(-6deg) scale(.9);z-index:2;opacity:.9}
.phone-right{transform:translateX(28%) translateY(70px) rotate(6deg) scale(.9);z-index:2;opacity:.9}
.stage::before{content:"";position:absolute;left:50%;top:40px;width:520px;height:520px;transform:translateX(-50%);border-radius:50%;
  background:radial-gradient(closest-side,rgba(229,72,59,.28),transparent);filter:blur(30px);z-index:1}

/* ticker */
.ticker{position:relative;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;padding:18px 0;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.ticker-track{display:flex;gap:36px;width:max-content;animation:tick 38s linear infinite;font:500 18px/1 var(--display);color:var(--text-2);white-space:nowrap}
.ticker-track i{font:italic 400 20px/1 var(--serif);color:var(--text-3);margin-left:6px}
.ticker-track .sep{color:var(--red);font-size:12px;align-self:center}
@keyframes tick{to{transform:translateX(-50%)}}

/* sections */
.section{padding:150px 0 0;position:relative}
.section-head{margin-bottom:64px}
.eyebrow{display:flex;align-items:center;gap:12px;margin:0 0 22px;font:500 12.5px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--text-3)}
.eyebrow span{color:var(--red);padding:4px 7px;border:1px solid rgba(229,72,59,.35);border-radius:6px;letter-spacing:.06em}
h2{margin:0;font:500 clamp(36px,5.2vw,64px)/1.12 var(--display);letter-spacing:-.04em;color:#fff}
.section-lead{margin:18px 0 0;max-width:520px;color:var(--text-2);font-size:17px}
.br-m{display:none}

/* bento */
.bento{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.tile{position:relative;overflow:hidden;border-radius:28px;border:1px solid var(--line);background:linear-gradient(180deg,#121214,#0C0C0E);
  display:flex;flex-direction:column;isolation:isolate;transition:border-color .3s}
.tile:hover{border-color:var(--line-2)}
.tile::before{content:"";position:absolute;z-index:-1;width:620px;height:620px;border-radius:50%;filter:blur(40px);opacity:.55;pointer-events:none}
.tile::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.06)}
.tile-yigan{grid-column:1/-1;flex-direction:row;min-height:560px}
.tile-yigan::before{right:-120px;bottom:-260px;background:radial-gradient(closest-side,rgba(214,160,98,.55),transparent)}
.tile-mail::before{right:-260px;bottom:-280px;background:radial-gradient(closest-side,rgba(75,141,175,.6),transparent)}
.tile-read::before{right:-260px;bottom:-280px;background:radial-gradient(closest-side,rgba(34,197,94,.45),transparent)}
.tile-copy{padding:44px 44px 0;position:relative;z-index:2}
.tile-yigan .tile-copy{flex:1 1 46%;padding:52px 52px 48px;display:flex;flex-direction:column}
.tile-meta{display:flex;align-items:center;gap:12px;margin-bottom:30px}
.tile-meta img{width:44px;height:44px;border-radius:11px;box-shadow:0 0 0 1px rgba(255,255,255,.1),0 6px 16px rgba(0,0,0,.4)}
.tile-meta .mono{font-size:12.5px;color:var(--text-3);letter-spacing:.06em}
.status{margin-left:auto;font:500 12px/1 var(--mono);color:#F3C98B;padding:6px 10px;border-radius:999px;background:rgba(243,201,139,.08);border:1px solid rgba(243,201,139,.2)}
.tile h3{margin:0;font:500 clamp(30px,3.4vw,44px)/1.1 var(--display);letter-spacing:-.035em;color:#fff}
.tile-tag{margin:10px 0 18px;font:500 19px/1.4 var(--display);color:var(--text-2)}
.tile p{color:var(--text-2);font-size:15.5px;margin:0 0 14px}
.facts{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:8px 0 28px}
.facts li{font:500 12.5px/1 var(--mono);color:var(--text-2);padding:8px 12px;border-radius:999px;border:1px solid var(--line-2);background:rgba(255,255,255,.02)}
.tile-links{margin-top:auto!important;display:flex;flex-wrap:wrap;gap:6px 22px}
.tile-links a{font-size:14.5px;color:var(--text);border-bottom:1px solid var(--line-2);padding-bottom:2px;transition:border-color .2s,color .2s}
.tile-links a:hover{border-color:var(--red);color:#fff}
.tile-visual{position:relative;flex:1;min-height:360px}
.tile-yigan .tile-visual{flex:1 1 54%}
.phone-sm{position:absolute;width:250px}
.tilt-a{left:12%;top:64px;transform:rotate(-5deg);transition:transform .6s var(--ease)}
.tilt-b{left:48%;top:110px;transform:rotate(5deg);transition:transform .6s var(--ease)}
.tile-yigan:hover .tilt-a{transform:rotate(-7deg) translateY(-8px)}
.tile-yigan:hover .tilt-b{transform:rotate(7deg) translateY(-14px)}
.phone-md{position:absolute;width:272px;left:50%;top:44px;transform:translateX(-50%);transition:transform .6s var(--ease)}
.tile:hover .phone-md{transform:translateX(-50%) translateY(-10px)}
.tile-mail .tile-visual,.tile-read .tile-visual{height:430px;flex:none}

/* principles grid with crosshairs */
.grid4{position:relative;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cell{padding:40px 30px 46px;border-right:1px solid var(--line);transition:background .3s}
.cell:first-child{border-left:1px solid var(--line)}
.cell:hover{background:rgba(255,255,255,.02)}
.num{display:block;font:500 13px/1 var(--mono);color:var(--red);margin-bottom:56px}
.cell h3{margin:0 0 12px;font:500 21px/1.35 var(--display);letter-spacing:-.02em;color:#fff}
.cell p{margin:0;font-size:15px;color:var(--text-2)}
.cross{position:absolute;width:13px;height:13px;transform:translate(-50%,-50%)}
.cross::before,.cross::after{content:"";position:absolute;background:rgba(255,255,255,.45)}
.cross::before{left:6px;top:0;width:1px;height:13px}
.cross::after{top:6px;left:0;height:1px;width:13px}
.c1{left:0;top:0}.c2{left:100%;top:0}.c3{left:0;top:100%}.c4{left:100%;top:100%}

/* studio */
.studio{padding-top:170px}
.statement{margin:0;font:500 clamp(28px,3.7vw,46px)/1.42 var(--display);letter-spacing:-.03em;color:#fff}
.statement span{color:var(--text-3)}
.sign{display:flex;align-items:center;gap:16px;margin-top:48px}
.sign-mark{width:46px;height:46px;padding:10px;border-radius:12px;background:#fff;color:#111}
.sign b{display:block;font:500 15px/1.4 var(--display);color:#fff}
.sign span{font-size:13.5px;color:var(--text-3)}
.numbers{display:grid;grid-template-columns:repeat(3,1fr);margin-top:110px;border-top:1px solid var(--line)}
.numbers div{padding:36px 0 0;border-right:1px solid var(--line);padding-left:32px}
.numbers div:first-child{padding-left:0}
.numbers div:last-child{border-right:0}
.numbers b{display:block;font:300 clamp(64px,8vw,104px)/1 var(--sans);letter-spacing:-.06em;
  background:linear-gradient(180deg,#fff,rgba(255,255,255,.35));-webkit-background-clip:text;background-clip:text;color:transparent}
.numbers span{display:block;margin-top:14px;font-size:15px;color:var(--text-2)}

/* company */
.info{margin:0;border-radius:24px;border:1px solid var(--line);background:linear-gradient(180deg,#111113,#0C0C0E);overflow:hidden}
.info div{display:grid;grid-template-columns:220px 1fr;gap:16px;padding:22px 32px;border-bottom:1px solid var(--line);align-items:baseline}
.info div:last-child{border-bottom:0}
.info dt{font:500 12.5px/1.6 var(--mono);letter-spacing:.08em;color:var(--text-3);text-transform:uppercase}
.info dd{margin:0;font-size:16px;color:var(--text)}
.info a{border-bottom:1px solid var(--line-2);transition:border-color .2s}
.info a:hover{border-color:var(--red)}
.info small{margin-left:10px;font-size:12.5px;color:var(--text-3)}


/* contact */
.contact{position:relative;overflow:hidden;isolation:isolate;text-align:center;padding:96px 32px 104px;border-radius:32px;border:1px solid var(--line);
  background:linear-gradient(180deg,#121214,#0B0B0C)}
.contact::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.06)}
.contact-glow{position:absolute;z-index:-1;left:50%;bottom:-420px;width:900px;height:700px;transform:translateX(-50%);border-radius:50%;
  background:radial-gradient(closest-side,rgba(229,72,59,.38),transparent);filter:blur(20px);pointer-events:none}
.contact .eyebrow{justify-content:center}
.contact-lead{max-width:540px;margin:20px auto 40px;color:var(--text-2);font-size:16.5px}
.contact-mail{display:inline-flex;align-items:center;gap:12px;height:60px;padding:0 30px;border-radius:999px;background:#fff;color:#0A0A0A;
  font:500 clamp(17px,2vw,20px)/1 var(--sans);letter-spacing:-.01em;box-shadow:0 0 0 1px rgba(255,255,255,.2),0 12px 40px rgba(229,72,59,.25);
  transition:transform .25s var(--ease),box-shadow .25s}
.contact-mail:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,255,255,.3),0 16px 50px rgba(229,72,59,.4)}
.contact-mail span{color:var(--red)}

/* footer */
.footer{margin-top:150px;border-top:1px solid var(--line);position:relative;overflow:hidden}
.footer-top{display:flex;justify-content:space-between;gap:48px;padding-top:64px;padding-bottom:20px}
.footer-brand p{margin:16px 0 0;color:var(--text-3);font-size:14px}
.footer-cols{display:flex;gap:72px}
.footer h4{margin:0 0 16px;font:500 12px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--text-3)}
.footer-cols a{display:block;font-size:14px;color:var(--text-2);margin-bottom:10px;transition:color .2s}
.footer-cols a:hover{color:#fff}
.wordmark{font:600 clamp(96px,21vw,300px)/.8 var(--sans);letter-spacing:-.025em;font-variant-ligatures:none;text-align:center;margin:40px 0 -.12em;user-select:none;
  background:linear-gradient(180deg,rgba(255,255,255,.14),rgba(255,255,255,0) 85%);-webkit-background-clip:text;background-clip:text;color:transparent}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 24px;padding-top:22px;padding-bottom:28px;border-top:1px solid var(--line);font:400 13px/1.6 var(--mono);color:var(--text-3);position:relative}
.footer-bottom a:hover{color:var(--text)}

/* reveal */
.js .reveal{opacity:0;transform:translateY(18px);filter:blur(6px);transition:opacity .9s var(--ease),transform .9s var(--ease),filter .9s var(--ease)}
.js .reveal.in{opacity:1;transform:none;filter:none}
.js .hero .reveal{animation:rise 1s var(--ease) both}
.d1{animation-delay:.08s!important}.d2{animation-delay:.16s!important}.d3{animation-delay:.24s!important}.d4{animation-delay:.32s!important}.d5{animation-delay:.45s!important;animation-duration:1.4s!important}
@keyframes rise{from{opacity:0;transform:translateY(22px);filter:blur(8px)}to{opacity:1;transform:none;filter:none}}
@media (prefers-reduced-motion:reduce){.reveal,.hero .reveal{opacity:1;transform:none;filter:none;animation:none;transition:none}.ticker-track{animation:none}}

/* ─── Responsive ─── */
@media (max-width:1000px){
  .nav nav{display:none}
  .tile-yigan{flex-direction:column}
  .tile-yigan .tile-visual{min-height:520px}
  .bento{grid-template-columns:1fr}
  .grid4{grid-template-columns:1fr 1fr}
  .cell:nth-child(2){border-right:1px solid var(--line)}
  .cell:nth-child(3){border-left:1px solid var(--line)}
  .cell:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .footer-top{flex-direction:column}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .brand-en{display:none}
  .hero{padding-top:132px}
  h1{font-size:clamp(46px,14vw,64px)}
  .hero-sub{font-size:15.5px}
  .stage{height:470px;margin-top:56px}
  .stage .phone{width:220px}
  .phone{border-radius:36px;padding:7px}
  .phone img{border-radius:30px}
  .phone-left{transform:translateX(-118%) translateY(60px) rotate(-6deg) scale(.86)}
  .phone-right{transform:translateX(18%) translateY(60px) rotate(6deg) scale(.86)}
  .section{padding-top:110px}
  .br-m{display:inline}
  .tile-copy,.tile-yigan .tile-copy{padding:32px 26px 0}
  .tile-yigan .tile-copy{padding-bottom:8px}
  .tile-yigan .tile-visual{min-height:440px}
  .phone-sm{width:200px}
  .tilt-a{left:4%;top:30px}.tilt-b{left:42%;top:70px}
  .phone-md{width:230px}
  .tile-mail .tile-visual,.tile-read .tile-visual{height:380px}
  .grid4{grid-template-columns:1fr}
  .cell,.cell:first-child,.cell:nth-child(3){border-left:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
  .cell:last-child{border-bottom:0}
  .num{margin-bottom:28px}
  .numbers{grid-template-columns:1fr}
  .numbers div{border-right:0;padding-left:0;border-bottom:1px solid var(--line);padding-bottom:28px}
  .info div{grid-template-columns:1fr;gap:4px;padding:18px 22px}
  .contact{padding:64px 20px 72px;border-radius:24px}
  .contact-mail{height:52px;padding:0 22px}
  .footer-cols{gap:36px;flex-wrap:wrap}
}

/* CJK punctuation: proportional spacing for display type (must follow the font shorthand) */
h1,h2,.statement,.tile h3,.cell h3,.tile-tag,.ticker-track,.sign b,.brand-cn{font-feature-settings:"palt"}