/* ============ TOKENS ============ */
:root{
  --paper:#F4EFE3;
  --paper-deep:#ECE3D0;
  --ink:#211F1A;
  --ink-soft:#4A473E;
  --green:#333F2C;
  --green-deep:#232B1E;
  --green-line: rgba(51,63,44,0.18);
  --timber:#6B4A32;
  --timber-deep:#4A3222;
  --stone:#8F8674;
  --line: rgba(33,31,26,0.14);
  --white:#FBF8F1;
  --serif: 'Fraunces', serif;
  --sans: 'Inter', sans-serif;
  --maxw: 1180px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important; transition-duration:0.001ms !important;}
}
img,svg{max-width:100%;display:block;}
a{color:inherit;}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 32px;}
@media (max-width:640px){ .wrap{padding:0 20px;} }

h1,h2,h3,h4{font-family:var(--serif); font-weight:440; margin:0; letter-spacing:-0.01em;}
.eyebrow{
  font-family:var(--sans); font-size:12.5px; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--stone); font-weight:600; margin:0 0 14px;
}
.lede{font-size:1.15rem; color:var(--ink-soft); max-width:640px; line-height:1.7;}
.serif-italic{font-style:italic; font-weight:440;}

/* margin note — signature device */
.marginnote{
  font-family:var(--serif); font-style:italic; font-weight:440;
  color:var(--timber); font-size:0.92rem; line-height:1.5;
  position:relative; padding-left:18px;
}
.marginnote::before{
  content:""; position:absolute; left:0; top:6px; width:9px; height:1px; background:var(--timber);
}

button, input, select, textarea{font-family:var(--sans);}
:focus-visible{outline:2px solid var(--timber); outline-offset:3px;}

/* ============ NAV ============ */
header.site{
  position:sticky; top:0; z-index:60;
  background:rgba(244,239,227,0.92); backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav-row{display:flex; align-items:center; justify-content:space-between; height:76px;}
.wordmark{font-family:var(--serif); font-size:1.35rem; letter-spacing:0.06em; font-weight:500; text-decoration:none;}
nav.primary{display:flex; align-items:center; gap:34px;}
nav.primary a{font-size:14px; text-decoration:none; color:var(--ink-soft); letter-spacing:0.01em; transition:color .15s;}
nav.primary a:hover{color:var(--ink);}
nav.primary a.active{color:var(--ink); border-bottom:1px solid var(--timber); padding-bottom:3px;}
.nav-cta{
  border:1px solid var(--ink); padding:9px 18px; border-radius:2px; font-size:13.5px;
  text-decoration:none; color:var(--ink); background:transparent; white-space:nowrap;
}
.nav-cta:hover{background:var(--ink); color:var(--white);}
.nav-toggle{display:none; background:none; border:none; cursor:pointer; padding:8px;}
.nav-toggle span{display:block; width:22px; height:1.5px; background:var(--ink); margin:5px 0;}
@media (max-width: 880px){
  nav.primary{position:fixed; inset:76px 0 0 0; background:var(--paper); flex-direction:column;
    align-items:flex-start; padding:32px; gap:22px; transform:translateX(100%); transition:transform .25s ease; overflow-y:auto;}
  nav.primary.open{transform:translateX(0);}
  nav.primary a{font-size:1.3rem; font-family:var(--serif);}
  .nav-toggle{display:block;}
}

/* ============ PAGE HERO (interior pages) ============ */
.page-hero{padding:72px 0 56px; border-bottom:1px solid var(--line);}
.page-hero h1{font-size:clamp(2.2rem, 4.6vw, 3.4rem); max-width:760px;}
.page-hero .lede{margin-top:20px;}

/* ============ HOME HERO ============ */
.hero{padding:110px 0 90px; position:relative; border-bottom:1px solid var(--line);}
.hero-grid{display:grid; grid-template-columns:1fr 220px; gap:48px; align-items:end;}
.hero h1{font-size:clamp(2.6rem, 5.6vw, 4.6rem); line-height:1.04; max-width:780px;}
.hero-sub{margin-top:26px; max-width:520px;}
.hero-margin{align-self:start; padding-top:14px;}
@media (max-width:880px){ .hero-grid{grid-template-columns:1fr;} .hero-margin{display:none;} }
.texture{
  position:absolute; inset:0; pointer-events:none; opacity:.5;
  background-image: radial-gradient(rgba(33,31,26,0.05) 1px, transparent 1px);
  background-size:14px 14px;
  mask-image: linear-gradient(to bottom, black, transparent);
}

/* ============ SECTION SHELL ============ */
section{padding:96px 0;}
section.tight{padding:72px 0;}
.section-head{display:flex; justify-content:space-between; align-items:flex-end; gap:40px; margin-bottom:56px; flex-wrap:wrap;}
.section-head h2{font-size:clamp(1.9rem,3.4vw,2.6rem);}
.rule{border:none; border-top:1px solid var(--line); margin:0;}

/* belief / pull-quote */
.belief{background:var(--green); color:var(--white); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
.belief blockquote{
  font-family:var(--serif); font-style:italic; font-weight:440;
  font-size:clamp(1.7rem,3.6vw,2.7rem); line-height:1.28; margin:0; max-width:900px;
}
.belief p.attrib{margin-top:26px; font-size:14px; letter-spacing:.05em; text-transform:uppercase; color:rgba(251,248,241,0.65);}

/* who we work with */
.grid-list{display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid var(--line);}
.grid-list > div{border-bottom:1px solid var(--line); border-right:1px solid var(--line); padding:26px 22px;}
.grid-list > div:nth-child(4n){border-right:none;}
.grid-list h4{font-size:1.02rem; margin-bottom:8px; font-weight:500;}
.grid-list p{font-size:0.92rem; color:var(--ink-soft); margin:0;}
@media (max-width:880px){ .grid-list{grid-template-columns:repeat(2,1fr);} .grid-list > div:nth-child(4n){border-right:1px solid var(--line);} .grid-list > div:nth-child(2n){border-right:none;} }
@media (max-width:520px){ .grid-list{grid-template-columns:1fr;} .grid-list > div{border-right:none !important;} }

/* philosophy two-col */
.two-col{display:grid; grid-template-columns:1.1fr 1fr; gap:64px;}
@media (max-width:880px){ .two-col{grid-template-columns:1fr; gap:32px;} }

/* placeholder art block */
.artblock{
  aspect-ratio:4/3; border-radius:2px; position:relative; overflow:hidden;
  background: linear-gradient(160deg, var(--paper-deep), var(--paper));
  border:1px solid var(--line);
}
.artblock .grain{position:absolute; inset:0; background-image:repeating-linear-gradient(115deg, rgba(107,74,50,0.06) 0 2px, transparent 2px 7px);}
.artblock .cap{position:absolute; left:16px; bottom:14px; font-size:11.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--stone);}
.artblock.timber{background:linear-gradient(160deg, #7a5a3d, var(--timber));}
.artblock.timber .cap{color:rgba(251,248,241,0.75);}
.artblock.green{background:linear-gradient(160deg, #414f38, var(--green-deep));}
.artblock.green .cap{color:rgba(251,248,241,0.7);}

/* work index */
.work-item{border-top:1px solid var(--line); padding:44px 0; display:grid; grid-template-columns:280px 1fr; gap:40px;}
.work-item:last-child{border-bottom:1px solid var(--line);}
.work-item h3{font-size:1.7rem; margin-bottom:10px;}
.work-tags{display:flex; flex-wrap:wrap; gap:8px; margin-top:16px;}
.tag{font-size:11.5px; letter-spacing:.05em; text-transform:uppercase; border:1px solid var(--line); padding:5px 10px; border-radius:20px; color:var(--ink-soft);}
@media (max-width:780px){ .work-item{grid-template-columns:1fr;} }

/* case study */
.case{padding:80px 0;}
.case-head{display:grid; grid-template-columns:1fr 1fr; gap:48px; margin-bottom:48px;}
@media (max-width:880px){ .case-head{grid-template-columns:1fr;} }
.case-stage{margin-bottom:34px;}
.case-stage .eyebrow{margin-bottom:10px;}
.case-media{display:grid; grid-template-columns:1fr 1fr; gap:16px; margin:34px 0;}
@media (max-width:640px){ .case-media{grid-template-columns:1fr;} }
.case-embed{border:1px solid var(--line); border-radius:2px; overflow:hidden; aspect-ratio:16/9;}
.case-embed iframe{width:100%; height:100%; border:0;}
.case-nav{display:flex; justify-content:space-between; padding:28px 0; border-top:1px solid var(--line); margin-top:20px; font-size:14px;}
.case-nav a{text-decoration:none; border-bottom:1px solid var(--line);}
.case-nav a:hover{border-bottom-color:var(--ink);}

/* expertise */
.pillars{display:flex; flex-direction:column;}
.pillar{border-top:1px solid var(--line); padding:36px 0; display:grid; grid-template-columns:60px 1fr 1.4fr; gap:28px;}
.pillar:last-child{border-bottom:1px solid var(--line);}
.pillar .mk{font-family:var(--serif); font-style:italic; color:var(--timber); font-size:1.1rem;}
.pillar h3{font-size:1.35rem; margin-bottom:6px;}
.pillar ul{margin:14px 0 0; padding-left:18px; color:var(--ink-soft); font-size:0.93rem;}
.pillar ul li{margin-bottom:5px;}
@media (max-width:780px){ .pillar{grid-template-columns:1fr;} .pillar .mk{display:none;} }

/* insights */
.insight-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
.insight-card{background:var(--paper); padding:30px 26px; min-height:190px; display:flex; flex-direction:column; justify-content:space-between;}
.insight-card h4{font-size:1.15rem; line-height:1.3;}
.insight-card .eyebrow{margin-bottom:16px;}
.insight-card .status{font-size:12px; color:var(--stone); margin-top:18px;}
@media (max-width:880px){ .insight-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:560px){ .insight-grid{grid-template-columns:1fr;} }

/* about */
.about-grid{display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:start;}
@media (max-width:880px){ .about-grid{grid-template-columns:1fr;} }
.identity-row{display:flex; gap:36px; flex-wrap:wrap; margin-top:26px;}
.identity-card{border:1px solid var(--line); padding:26px 22px; flex:1; min-width:190px; background:var(--white);}
.identity-card .id-label{font-size:12px; letter-spacing:.06em; text-transform:uppercase; color:var(--stone); margin-bottom:16px;}
.lockup-editorial{font-family:var(--serif); font-size:1.5rem; letter-spacing:.14em;}
.lockup-mono{width:52px;height:52px;border:1.5px solid var(--ink); border-radius:50%; display:flex; align-items:center; justify-content:center; font-family:var(--serif); font-size:1.1rem; letter-spacing:0;}
.lockup-geo{font-family:var(--serif); font-size:1.05rem; letter-spacing:.02em; line-height:1.2;}
.lockup-geo span{display:block; border-bottom:2px solid var(--timber); width:34px; margin-top:6px;}

/* contact */
.contact-grid{display:grid; grid-template-columns:1fr 1.2fr; gap:64px;}
@media (max-width:880px){ .contact-grid{grid-template-columns:1fr;} }
.field{margin-bottom:20px;}
.field label{display:block; font-size:13px; color:var(--ink-soft); margin-bottom:7px;}
.field input, .field select, .field textarea{
  width:100%; border:none; border-bottom:1px solid var(--line); background:transparent;
  padding:10px 2px; font-size:15px; color:var(--ink); border-radius:0;
}
.field textarea{resize:vertical; min-height:90px;}
.field input:focus, .field select:focus, .field textarea:focus{border-bottom-color:var(--timber);}
.submit-btn{
  background:var(--ink); color:var(--white); border:none; padding:14px 30px; font-size:14.5px;
  cursor:pointer; border-radius:2px; letter-spacing:.01em;
}
.submit-btn:hover{background:var(--green-deep);}
.submit-btn:disabled{opacity:.6; cursor:default;}
.form-note{font-size:13px; color:var(--stone); margin-top:14px;}
#form-status{margin-top:18px; font-size:14.5px; display:none;}
#form-status.show{display:block;}
.direct-contact{margin-top:36px; padding-top:28px; border-top:1px solid var(--line);}
.direct-contact a{text-decoration:none; border-bottom:1px solid var(--line);}
.direct-contact a:hover{border-bottom-color:var(--ink);}

/* footer */
footer{background:var(--green-deep); color:rgba(251,248,241,0.82); padding:64px 0 30px;}
.footer-top{display:flex; justify-content:space-between; flex-wrap:wrap; gap:40px; padding-bottom:44px; border-bottom:1px solid rgba(251,248,241,0.14);}
.footer-top .wordmark{color:var(--white);}
.footer-nav{display:flex; gap:28px; flex-wrap:wrap;}
.footer-nav a{font-size:14px; text-decoration:none; color:rgba(251,248,241,0.75);}
.footer-nav a:hover{color:var(--white);}
.footer-social{display:flex; gap:20px; margin-top:14px; flex-wrap:wrap;}
.footer-social span{font-size:12.5px; letter-spacing:.05em; text-transform:uppercase; color:rgba(251,248,241,0.5); border:1px solid rgba(251,248,241,0.25); padding:5px 11px; border-radius:20px;}
.footer-bottom{display:flex; justify-content:space-between; padding-top:26px; font-size:12.5px; color:rgba(251,248,241,0.5); flex-wrap:wrap; gap:10px;}

/* footer subscribe module */
.footer-subscribe{padding:44px 0; border-bottom:1px solid rgba(251,248,241,0.14); display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:end;}
.footer-subscribe h4{font-family:var(--serif); font-style:italic; font-weight:440; color:var(--white); font-size:1.4rem; max-width:340px;}
:lang(zh) .footer-subscribe h4{font-style:normal;}
.footer-subscribe p{font-size:13.5px; color:rgba(251,248,241,0.65); max-width:360px; margin-top:8px;}
.subscribe-form{display:flex; gap:0; max-width:420px; margin-left:auto;}
.subscribe-form input[type="email"]{
  flex:1; background:transparent; border:none; border-bottom:1px solid rgba(251,248,241,0.35);
  color:var(--white); padding:11px 4px; font-size:14.5px;
}
.subscribe-form input[type="email"]::placeholder{color:rgba(251,248,241,0.45);}
.subscribe-form input[type="email"]:focus{outline:none; border-bottom-color:var(--white);}
.subscribe-form button{
  background:none; border:none; border-bottom:1px solid rgba(251,248,241,0.35); color:var(--white);
  font-size:14.5px; padding:11px 4px 11px 16px; cursor:pointer; white-space:nowrap;
}
.subscribe-form button:hover{color:#DCC9AE; border-bottom-color:#DCC9AE;}
.subscribe-status{font-size:12.5px; margin-top:10px; color:rgba(251,248,241,0.7); max-width:360px; margin-left:auto; display:none;}
.subscribe-status.show{display:block;}
@media (max-width:780px){
  .footer-subscribe{grid-template-columns:1fr;}
  .subscribe-form, .subscribe-status{margin-left:0;}
}

/* ============ CHATBOT ============ */
#ask-toggle{
  position:fixed; right:26px; bottom:26px; z-index:80;
  background:var(--ink); color:var(--white); border:none; border-radius:30px;
  padding:14px 22px 14px 18px; font-size:14.5px; display:flex; align-items:center; gap:10px;
  cursor:pointer; box-shadow:0 8px 24px rgba(33,31,26,0.25); font-family:var(--sans);
}
#ask-toggle:hover{background:var(--green-deep);}
#ask-toggle .dot{width:7px;height:7px;border-radius:50%;background:#B7C9A8;}
#ask-panel{
  position:fixed; right:26px; bottom:92px; z-index:80; width:380px; max-width:calc(100vw - 40px);
  height:min(560px, 70vh); background:var(--white); border:1px solid var(--line); border-radius:6px;
  box-shadow:0 20px 60px rgba(33,31,26,0.25); display:none; flex-direction:column; overflow:hidden;
}
#ask-panel.open{display:flex;}
.ask-head{padding:18px 20px; border-bottom:1px solid var(--line); display:flex; justify-content:space-between; align-items:center; background:var(--paper);}
.ask-head h4{font-family:var(--serif); font-style:italic; font-size:1.15rem; font-weight:440;}
.ask-head button{background:none;border:none;font-size:20px;cursor:pointer;color:var(--ink-soft); line-height:1;}
.ask-body{flex:1; overflow-y:auto; padding:18px 20px; display:flex; flex-direction:column; gap:14px;}
.ask-msg{max-width:88%; font-size:14px; line-height:1.55;}
.ask-msg.bot{align-self:flex-start;}
.ask-msg.bot .bubble{background:var(--paper); border:1px solid var(--line); padding:12px 14px; border-radius:2px 10px 10px 10px;}
.ask-msg.user{align-self:flex-end;}
.ask-msg.user .bubble{background:var(--ink); color:var(--white); padding:10px 14px; border-radius:10px 2px 10px 10px;}
.ask-msg .bubble a{color:var(--timber); font-weight:600;}
.ask-msg.user .bubble a{color:#DCC9AE;}
.ask-chip-row{display:flex; flex-wrap:wrap; gap:8px; margin-top:2px;}
.ask-chip{
  border:1px solid var(--line); background:var(--white); padding:7px 12px; border-radius:16px;
  font-size:12.5px; cursor:pointer; text-align:left; color:var(--ink);
}
.ask-chip:hover{border-color:var(--timber); color:var(--timber);}
.ask-foot{border-top:1px solid var(--line); padding:12px 20px 16px; font-size:12px; color:var(--stone);}
.ask-foot a{color:var(--timber); text-decoration:none;}

/* ============ MODULAR EDITORIAL COMPONENTS ============ */

/* subsection header within a case study (e.g. "01. Building the Brand") */
.subsection{margin:56px 0 22px;}
.subsection .num{font-family:var(--serif); font-style:italic; color:var(--timber); font-size:1rem; display:block; margin-bottom:6px;}
:lang(zh) .subsection .num{font-style:normal;}
.subsection h3{font-size:1.55rem; max-width:600px;}

/* in-content pull quote */
.pull-quote{margin:36px 0; padding:2px 0 2px 24px; border-left:2px solid var(--timber);}
.pull-quote p{font-family:var(--serif); font-style:italic; font-weight:440; font-size:1.45rem; line-height:1.38; color:var(--ink); margin:0; max-width:620px;}
:lang(zh) .pull-quote p{font-style:normal;}

/* media / video embed placeholder — honest stand-in, never a fabricated URL */
.media-embed{aspect-ratio:16/9; border:1px solid var(--line); border-radius:2px; background:linear-gradient(160deg, var(--paper-deep), var(--paper)); display:flex; flex-direction:column; align-items:center; justify-content:center; gap:12px; position:relative;}
.media-embed .play{width:46px; height:46px; border-radius:50%; border:1.5px solid var(--ink-soft); display:flex; align-items:center; justify-content:center; flex-shrink:0;}
.media-embed .play::after{content:""; border-style:solid; border-width:7px 0 7px 12px; border-color:transparent transparent transparent var(--ink-soft); margin-left:3px;}
.media-embed .cap{font-size:12px; color:var(--stone); letter-spacing:.05em; text-transform:uppercase; text-align:center; padding:0 24px;}
.media-row{display:grid; grid-template-columns:1fr 1fr; gap:16px; margin:30px 0;}
@media (max-width:640px){.media-row{grid-template-columns:1fr;}}

/* vertical phone / social-platform mockup */
.phone-row{display:flex; gap:22px; justify-content:flex-start; flex-wrap:wrap; margin:30px 0;}
.phone-mockup{width:150px;}
.phone-frame{aspect-ratio:9/17.5; border:1px solid var(--line); border-radius:16px; background:var(--white); padding:9px; display:flex; flex-direction:column; gap:7px;}
.phone-frame .bar{height:5px; background:var(--paper-deep); border-radius:3px;}
.phone-frame .block{flex:1; background:var(--paper-deep); border-radius:8px;}
.phone-mockup .cap{font-size:11.5px; color:var(--stone); text-align:center; margin-top:8px; letter-spacing:.03em;}

/* placeholder for a URL that doesn't exist yet — never a fabricated href */
.link-pending{display:inline-flex; align-items:baseline; gap:6px; font-size:13.5px; color:var(--stone); border-bottom:1px dashed var(--line); padding-bottom:1px;}
.link-row{display:flex; gap:28px; flex-wrap:wrap; margin-top:8px;}

/* essay illustrative photo — lighter than case-study evidence photography */
.essay-photo{margin:32px 0;}
.essay-photo img{width:100%; border-radius:2px; display:block;}
.essay-photo .cap{margin-top:10px; font-size:12.5px; color:var(--stone); font-style:italic;}
:lang(zh) .essay-photo .cap{font-style:normal;}

/* client logo mark — shown at its own true colours, kept small and contained */
.client-mark{width:84px; height:84px; border-radius:8px; overflow:hidden; margin-bottom:22px; box-shadow:0 3px 10px rgba(33,31,26,0.18);}
.client-mark img{width:100%; height:100%; object-fit:cover; display:block;}

/* real photography block (replaces artblock placeholders once photos exist) */
.photoblock{aspect-ratio:4/3; border-radius:2px; position:relative; overflow:hidden; border:1px solid var(--line); background:var(--paper-deep);}
.photoblock img{width:100%; height:100%; object-fit:cover; display:block; position:relative; z-index:0;}
.photoblock::after{content:""; position:absolute; inset:0; background:linear-gradient(to top, rgba(20,19,16,0.55), transparent 45%); z-index:1; pointer-events:none;}
.photoblock .cap{position:absolute; left:16px; bottom:14px; font-size:11.5px; letter-spacing:.06em; text-transform:uppercase; color:#FBF8F1; z-index:2;}

/* client testimonial */
.testimonial{margin:36px 0; padding:30px 32px; background:var(--paper-deep); border-left:3px solid var(--green);}
.testimonial p.quote{font-family:var(--serif); font-style:italic; font-size:1.2rem; line-height:1.6; color:var(--ink); margin:0;}
.testimonial p.quote + p.quote{margin-top:14px;}
:lang(zh) .testimonial p.quote{font-style:normal;}
.testimonial p.attribution{margin-top:18px; font-size:13.5px; color:var(--ink-soft);}
.testimonial p.attribution strong{color:var(--ink); font-weight:600;}
.testimonial p.translation-note{margin-top:10px; font-size:12px; color:var(--stone); font-style:italic;}
.credits-list{display:grid; grid-template-columns:repeat(2,1fr); gap:18px 40px; margin:22px 0 0;}
.credits-list > div{border-top:1px solid var(--line); padding-top:10px;}
.credits-list .role{font-size:11.5px; text-transform:uppercase; letter-spacing:.06em; color:var(--stone);}
.credits-list .name{font-size:15px; margin-top:4px;}
@media (max-width:600px){.credits-list{grid-template-columns:1fr;}}

/* related work / related insight cards */
.related-grid{display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-top:18px;}
@media (max-width:640px){.related-grid{grid-template-columns:1fr;}}
.related-card{border:1px solid var(--line); padding:20px 22px; border-radius:2px; text-decoration:none; color:var(--ink); display:block;}
.related-card:hover{border-color:var(--timber);}
.related-card .eyebrow{margin-bottom:8px;}
.related-card h4{font-size:1.05rem; font-weight:500;}

/* insight index list item (editorial, not blog-card) */
.insight-index-item{border-top:1px solid var(--line); padding:34px 0; display:grid; grid-template-columns:200px 1fr; gap:32px;}
.insight-index-item:last-child{border-bottom:1px solid var(--line);}
.insight-index-item h3{font-size:1.5rem; max-width:600px; margin-bottom:10px;}
@media (max-width:720px){.insight-index-item{grid-template-columns:1fr;}}

/* homepage insight preview card */
.insight-preview-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
.insight-preview-card{background:var(--paper); padding:26px 24px; text-decoration:none; color:var(--ink); display:block;}
.insight-preview-card:hover{background:var(--paper-deep);}
.insight-preview-card h4{font-size:1.05rem; line-height:1.32; font-weight:500;}
@media (max-width:640px){.insight-preview-grid{grid-template-columns:1fr;}}

/* utility */
.mt-8{margin-top:8px;} .mt-16{margin-top:16px;} .mt-24{margin-top:24px;} .mt-40{margin-top:40px;}
.small{font-size:13.5px; color:var(--ink-soft);}
.center-note{text-align:center; color:var(--stone); font-size:13.5px; margin-top:18px;}

/* ============ LANGUAGE SWITCH ============ */
.lang-switch{display:flex; gap:6px; align-items:center; font-size:13px; margin-left:6px;}
.lang-switch a{text-decoration:none; color:var(--ink-soft); padding:4px 7px; border-radius:3px;}
.lang-switch a.active{color:var(--ink); font-weight:600; border:1px solid var(--line);}
.lang-switch a:hover{color:var(--ink);}
.lang-switch .sep{color:var(--line);}

/* ============ CJK TYPE HANDLING ============ */
:lang(zh), html[lang="zh"] body{ font-family:'Noto Sans SC', var(--sans); }
:lang(zh) h1, :lang(zh) h2, :lang(zh) h3, :lang(zh) h4,
:lang(zh) .lockup-editorial, :lang(zh) .lockup-geo,
:lang(zh) .belief blockquote{
  font-family:'Noto Serif SC', var(--serif);
  font-style:normal;
  letter-spacing:0;
}
:lang(zh) .marginnote, :lang(zh) .serif-italic{
  font-family:'Noto Serif SC', var(--serif);
  font-style:normal;
}
:lang(zh) .eyebrow{ letter-spacing:0.06em; }
:lang(zh) .wordmark{ letter-spacing:0.02em; }