/* CORREN — company site */
@font-face{font-family:"Cormorant Garamond";font-style:normal;font-weight:500;font-display:swap;src:url(fonts/cormorant-500.woff2) format("woff2")}
@font-face{font-family:"Cormorant Garamond";font-style:italic;font-weight:400;font-display:swap;src:url(fonts/cormorant-400i.woff2) format("woff2")}
@font-face{font-family:"Cormorant Garamond";font-style:italic;font-weight:500;font-display:swap;src:url(fonts/cormorant-500i.woff2) format("woff2")}
@font-face{font-family:"Noto Sans SC";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/notosans-400.woff2) format("woff2")}
@font-face{font-family:"Noto Serif SC";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/notoserif-400.woff2) format("woff2")}
@font-face{font-family:"Noto Serif SC";font-style:normal;font-weight:600;font-display:swap;src:url(fonts/notoserif-600.woff2) format("woff2")}

:root{
  --cream:#f5e5cd; --navy:#192c64; --rust:#a83f14; --line:#cfc8bb;
  --muted:#6b655c; --ink:#2b2825; --mono:#161412;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --serif:"Noto Serif SC","Songti SC",serif;
  --display:"Cormorant Garamond","Noto Serif SC",Georgia,serif;
  --pad:clamp(20px,5.5vw,96px);
  --max:1280px;
  --gap:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px;-webkit-text-size-adjust:100%}
body{background:var(--cream);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit}
html[data-lang="zh"] .l-en, html[data-lang="en"] .l-zh{display:none !important}

.wrap{max-width:calc(var(--max) + 2*var(--pad));margin:0 auto;padding:0 var(--pad)}

/* ---------- header ---------- */
.top{position:fixed;inset:0 0 auto 0;z-index:50;background:rgba(245,229,205,.92);backdrop-filter:saturate(1.2) blur(10px);-webkit-backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid transparent;transition:border-color .2s}
.top.scrolled{border-bottom-color:var(--line)}
.top .wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand img{height:30px;width:auto}
.nav{display:flex;align-items:center;gap:clamp(16px,2.2vw,32px)}
.nav a{font-size:14px;letter-spacing:.12em;text-decoration:none;color:var(--ink);text-transform:uppercase;white-space:nowrap}
.nav a:hover{color:var(--rust)}
html[data-lang="zh"] .nav a{letter-spacing:.2em}
.lang{display:flex;border:1px solid var(--navy);border-radius:999px;overflow:hidden;flex:none}
.lang button{all:unset;cursor:pointer;font-size:13px;line-height:1;padding:8px 13px;color:var(--navy);letter-spacing:.06em}
.lang button[aria-pressed="true"]{background:var(--navy);color:var(--cream)}
.lang button:focus-visible{outline:2px solid var(--rust);outline-offset:-2px}
.menu-btn{all:unset;display:none;cursor:pointer;width:40px;height:40px;position:relative}
.menu-btn span{position:absolute;left:9px;right:9px;height:1.5px;background:var(--navy);transition:transform .2s,opacity .2s}
.menu-btn span:nth-child(1){top:14px}.menu-btn span:nth-child(2){top:20px}.menu-btn span:nth-child(3){top:26px}
.top.open .menu-btn span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.top.open .menu-btn span:nth-child(2){opacity:0}
.top.open .menu-btn span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.right{display:flex;align-items:center;gap:16px}

/* ---------- hero ---------- */
.hero{padding-top:72px;min-height:min(100vh,940px);display:flex;align-items:stretch}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(32px,5vw,80px);align-items:center;width:100%;padding-top:clamp(32px,5vw,64px);padding-bottom:clamp(32px,5vw,64px)}
.hero-copy{display:flex;flex-direction:column;gap:clamp(20px,2.4vw,30px)}
.eyebrow{font-size:13px;letter-spacing:.32em;color:var(--muted);text-transform:uppercase;line-height:1.4}
.hero-logo{width:min(520px,92%);height:auto}
.tagline{font-size:14px;letter-spacing:.32em;color:var(--navy);line-height:1.4}
.bar{width:88px;height:4px;background:var(--rust)}
.hero h1{font-family:var(--serif);font-weight:400;font-size:clamp(30px,3.4vw,46px);line-height:1.35;color:var(--navy)}
.hero .sub{font-family:var(--display);font-style:italic;font-size:clamp(22px,2.3vw,32px);line-height:1.3;color:var(--muted)}
html[data-lang="en"] .hero h1{font-family:var(--display);font-style:italic;font-weight:500;font-size:clamp(36px,4.2vw,58px);line-height:1.1}
html[data-lang="en"] .hero .sub{font-family:var(--serif);font-style:normal;font-size:clamp(18px,1.8vw,24px)}
.cta{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;margin-top:6px}
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--navy);color:var(--cream);text-decoration:none;font-size:15px;letter-spacing:.08em;padding:14px 26px;border-radius:999px;transition:background .2s}
.btn:hover{background:var(--rust)}
.link{font-size:15px;color:var(--navy);text-decoration:none;border-bottom:1px solid currentColor;padding-bottom:2px}
.link:hover{color:var(--rust)}
.hero-art{justify-self:end;width:100%;max-width:600px}
.hero-art img{width:100%;height:auto}

/* ---------- sections ---------- */
section.s{padding:clamp(72px,9vw,128px) 0;border-top:1px solid var(--line)}
.sh{display:flex;justify-content:space-between;align-items:flex-end;gap:24px 48px;padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:clamp(32px,4vw,56px);flex-wrap:wrap}
.sh .titles{display:flex;flex-direction:column;gap:10px}
.sh .row{display:flex;align-items:baseline;gap:12px 24px;flex-wrap:wrap}
.sh h2{font-family:var(--display);font-style:italic;font-weight:400;font-size:clamp(44px,6vw,84px);line-height:1;color:var(--navy)}
.sh .zh-title{font-family:var(--serif);font-size:clamp(20px,2.4vw,32px);line-height:1.3;color:var(--muted)}
.sh .note{color:var(--muted);font-size:15px;text-align:right;max-width:440px;line-height:1.6}
.small{font-size:14px;color:var(--muted);line-height:1.6}

/* about */
.about{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,6vw,96px);align-items:center}
.about-img img{width:100%;height:auto}
.about-copy{display:flex;flex-direction:column;gap:clamp(20px,2.6vw,32px)}
.about-copy .head{display:flex;justify-content:space-between;align-items:baseline;padding-bottom:16px;border-bottom:1px solid var(--line)}
.about-copy .head .zh-title{font-family:var(--serif);font-size:20px;color:var(--muted)}
.big-h{font-family:var(--serif);font-weight:600;font-size:clamp(34px,4.4vw,60px);line-height:1.25;color:var(--navy)}
html[data-lang="en"] .big-h{font-family:var(--display);font-style:italic;font-weight:500;font-size:clamp(40px,5vw,68px);line-height:1.05}
.lead{font-size:18px;line-height:1.85}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:28px 48px}
.stat{border-top:2px solid var(--navy);padding-top:14px;display:flex;flex-direction:column;gap:6px}
.stat .n{font-family:var(--display);font-weight:500;font-size:clamp(40px,4.6vw,64px);line-height:1;color:var(--navy)}
.stat .n small{font-family:var(--serif);font-size:.42em;margin-left:4px}
.stat .d{font-size:15px;color:var(--muted);line-height:1.5}

/* capability */
.cols3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(24px,4vw,64px)}
.cap{display:flex;flex-direction:column;gap:16px}
.cap .ph{aspect-ratio:16/10;width:100%;overflow:hidden}
.cap .ph img{width:100%;height:100%}
.num{font-family:var(--display);font-style:italic;font-size:26px;line-height:1;color:var(--rust);padding-top:6px}
.cap .t{display:flex;align-items:baseline;gap:14px;padding-bottom:12px;border-bottom:2px solid var(--navy)}
.cap h3{font-family:var(--display);font-style:italic;font-weight:400;font-size:clamp(36px,3.6vw,50px);line-height:1.05;color:var(--navy)}
.cap .t span{font-size:20px;color:var(--rust)}

/* brands */
.logos{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}
.logos .c{aspect-ratio:1.66;display:flex;align-items:center;justify-content:center;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px}
.logos .c img{width:calc(var(--w) * var(--k));height:calc(var(--h) * var(--k));object-fit:contain;max-width:100%}
.logos{--k:.72}
.logos-note{margin-top:20px}

/* channels */
.chan{display:flex;flex-direction:column;gap:clamp(18px,2.2vw,28px)}
.chan .r{display:grid;grid-template-columns:200px minmax(0,1fr);gap:24px;align-items:center}
.chan .lab{display:flex;flex-direction:column;gap:2px}
.chan .lab b{font-weight:400;font-size:18px;color:var(--navy);line-height:1.35}
.chan .lab i{font-family:var(--display);font-size:20px;color:var(--muted);line-height:1.25}
.chan .g{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:10px}
.chan .card{background:#fff;aspect-ratio:1.63;display:flex;align-items:center;justify-content:center;padding:8%}
.chan .card img{width:calc(var(--w) * .82px);height:calc(var(--h) * .82px);max-width:100%;max-height:100%;object-fit:contain}

/* media */
.media{display:flex;flex-direction:column;gap:clamp(56px,7vw,96px)}
.mrow{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,5vw,72px);align-items:center}
.mtext{display:flex;flex-direction:column;gap:22px}
.mtext .t{display:flex;align-items:baseline;gap:14px;padding-bottom:12px;border-bottom:2px solid var(--navy)}
.mtext h3{font-family:var(--display);font-style:italic;font-weight:400;font-size:clamp(36px,3.6vw,50px);line-height:1.05;color:var(--navy)}
.mtext .t span{font-size:20px;color:var(--rust)}
.kv{display:grid;grid-template-columns:96px minmax(0,1fr);gap:10px 20px;align-items:start}
.kv dt{font-size:14px;color:var(--muted);line-height:1.9;letter-spacing:.04em}
.kv dd{font-size:17px;color:var(--mono);line-height:1.7}
.diagram{width:100%;height:auto;margin-top:8px}

/* justified photo rows (no cropping) */
.jrows{display:flex;flex-direction:column;gap:var(--gap)}
.jrow{display:flex;gap:var(--gap);align-items:flex-start}
.jrow figure{flex:var(--ar) 1 0%;min-width:0;display:flex;flex-direction:column;gap:8px}
.jrow img{width:100%;height:auto;aspect-ratio:var(--ar)}
.jrow figcaption{font-size:14px;line-height:1.5;color:var(--muted);text-align:center}
.jrows.tight{--gap:8px}
.fgrid{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--gap)}
.fgrid figure{flex:0 0 calc((100% - 2*var(--gap))/3)}
.fgrid img{width:100%;height:auto;aspect-ratio:var(--ar)}

/* showcase */
.show{display:flex;flex-direction:column;gap:clamp(56px,6vw,88px)}
.show h3{display:flex;align-items:baseline;gap:14px;margin-bottom:22px}
.show h3 .k{font-family:var(--display);font-style:italic;font-weight:400;font-size:clamp(28px,2.8vw,38px);color:var(--navy);line-height:1}
.show h3 .z{font-family:var(--serif);font-weight:400;font-size:18px;color:var(--muted)}
.disclaim{margin:-24px 0 40px}

/* backing */
.korrun{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.korrun img{width:120px;height:auto}
.bk{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,5vw,72px);align-items:start}
.bk-text{display:flex;flex-direction:column;gap:18px;font-size:17.5px;line-height:1.85}
.bk figure{display:flex;flex-direction:column;gap:10px}
.bk figure img{width:100%;height:auto}
.stats3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin:clamp(40px,5vw,72px) 0}
.stats3 > div{display:flex;flex-direction:column;gap:10px;padding:0 0 0 clamp(20px,3vw,48px);border-left:1px solid var(--line)}
.stats3 > div:first-child{padding-left:0;border-left:0}
.stats3 .n{font-family:var(--display);font-weight:500;font-size:clamp(48px,6vw,84px);line-height:1;color:var(--navy)}
.stats3 .n.r{color:var(--rust)}
.stats3 .d{font-size:15px;color:var(--muted);line-height:1.55}
.factory-h{display:flex;align-items:baseline;gap:14px;margin:clamp(40px,5vw,64px) 0 22px}
.factory-h .k{font-family:var(--display);font-style:italic;font-size:clamp(28px,2.8vw,38px);color:var(--navy);line-height:1}
.factory-h .z{font-family:var(--serif);font-size:18px;color:var(--muted)}
.source{margin-top:32px}

/* team */
.team{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(24px,4vw,64px)}
.person{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px}
.person img{width:min(100%,300px);aspect-ratio:300/380;height:auto;object-fit:cover;object-position:50% 0}
.person .role{margin-top:10px;font-size:14px;letter-spacing:.24em;color:var(--rust)}
.person .name{font-family:var(--serif);font-weight:600;font-size:clamp(24px,2.4vw,32px);line-height:1.3;color:var(--navy)}
.person .name i{font-family:var(--display);font-weight:500}
.person ul{list-style:none;font-size:16px;line-height:1.75}

/* contact */
.contact{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,6vw,96px);align-items:center}
.contact img{width:100%;height:auto}
.contact .c{display:flex;flex-direction:column;gap:22px}
.contact h2{font-family:var(--display);font-style:italic;font-weight:400;font-size:clamp(64px,9vw,136px);line-height:.95;color:var(--navy)}
.contact .mail{font-size:clamp(22px,2.4vw,32px);color:var(--navy);text-decoration:none;border-bottom:1px solid var(--line);padding-bottom:6px;align-self:flex-start;transition:color .2s,border-color .2s}
.contact .mail:hover{color:var(--rust);border-color:var(--rust)}

footer{border-top:1px solid var(--line);padding:32px 0 40px}
footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
footer img{height:22px;width:auto}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .nav{display:none}
  .menu-btn{display:block}
  .top.open .nav{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;background:var(--cream);border-bottom:1px solid var(--line);padding:8px var(--pad) 20px}
  .top.open .nav a{padding:12px 0;font-size:16px;width:100%;border-bottom:1px solid var(--line)}
  .chan .r{grid-template-columns:1fr;gap:12px}
  .chan .lab{flex-direction:row;align-items:baseline;gap:12px}
}
@media (max-width:900px){
  .hero{min-height:auto}
  .hero .wrap{grid-template-columns:1fr}
  .hero-art{justify-self:center;max-width:520px}
  .about,.bk,.mrow,.contact{grid-template-columns:1fr}
  .cols3,.team{grid-template-columns:1fr;gap:56px}
  .cap .ph{max-width:640px}
  .sh .note{text-align:left}
  .logos{grid-template-columns:repeat(4,minmax(0,1fr))}
  .chan .g{grid-template-columns:repeat(4,minmax(0,1fr))}
  .contact .ph{order:2}
  .about-img{display:none}
}
@media (max-width:640px){
  body{font-size:16px}
  .stats{gap:22px 24px}
  .stats3{grid-template-columns:1fr;gap:28px}
  .stats3 > div{padding:0;border-left:0;border-top:1px solid var(--line);padding-top:16px}
  .stats3 > div:first-child{border-top:0;padding-top:0}
  .logos{--k:.38}
  .chan .card img{width:calc(var(--w) * .5px);height:calc(var(--h) * .5px)}
  .jrow{flex-wrap:wrap;justify-content:center}
  .jrow figure{flex:0 0 calc(50% - var(--gap)/2)}
  .jrow figure.wide{flex-basis:100%}
  .jrows.tight .jrow{flex-wrap:nowrap}
  .jrows.tight .jrow figure{flex:var(--ar) 1 0%}
  .fgrid figure{flex-basis:calc(50% - var(--gap)/2)}
  .tagline{font-size:12px;letter-spacing:.2em}
  .logos .c{padding:6px}
  .kv{grid-template-columns:76px minmax(0,1fr)}
  .brand img{height:24px}
  .lang button{padding:7px 10px}
}
