/* ============================================================
   SinoRec — page level styles (built on site.css tokens)
   ============================================================ */

@font-face{font-family:'Archivo';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/archivo-latin-700-normal.woff2') format('woff2')}
@font-face{font-family:'Archivo';font-style:normal;font-weight:800;font-display:swap;src:url('../fonts/archivo-latin-800-normal.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:300;font-display:swap;src:url('../fonts/inter-latin-300-normal.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/inter-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/inter-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/inter-latin-600-normal.woff2') format('woff2')}

/* <picture> is inline by default: force block so width/height rules land on the image */
picture{display:block}
.hero-bg picture{height:100%}
.str-band picture{height:100%}
.pc-media picture,.pl-media picture,.prod-hero-media picture{height:100%}

/* ---------- page hero ---------- */
.page-hero{position:relative;padding:176px 0 96px;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero-short{padding:152px 0 78px}
.page-hero-bg{position:absolute;inset:0;z-index:0}
.page-hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.26;filter:grayscale(.35)}
.page-hero::after{content:'';position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(23,28,33,.97) 0%,rgba(23,28,33,.86) 45%,rgba(23,28,33,.62) 100%)}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{font-size:clamp(2.5rem,5.2vw,4.3rem);margin-top:28px}
.page-hero h1 em{font-style:normal;color:var(--amber)}
.page-hero .lead{margin-top:28px;max-width:58ch;font-size:1.06rem;line-height:1.8;color:rgba(23,28,33,.82);font-weight:300}
.crumb{display:flex;gap:11px;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:rgba(23,28,33,.52);margin-bottom:30px;flex-wrap:wrap}
.crumb a{transition:color .25s}
.crumb a:hover{color:var(--amber)}

/* ---------- hero rhythm: keep the CTA and the numbers above the fold ---------- */
.hero-in{padding-top:132px;padding-bottom:26px}
.hero p.lead{margin-top:20px}
.hero .answer{margin-top:24px;padding:16px 20px}
.hero .answer p{font-size:.86rem;line-height:1.62}
.hero-cta{margin-top:28px}
.hero .stat-strip{margin-top:38px}
@media(max-height:860px){
  .hero h1{font-size:clamp(2.3rem,4.6vw,3.9rem)}
  .hero .stat-strip{margin-top:26px}
}

/* ---------- list head: anchors the list, avoids an empty band under the hero ---------- */
.sec-llist{padding-top:74px}
.list-head{display:flex;align-items:baseline;justify-content:space-between;gap:24px;
  padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:34px}
.lh-eye{font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--amber)}
.lh-note{font-size:11.5px;letter-spacing:.06em;color:rgba(23,28,33,.6)}
@media(max-width:820px){.list-head{flex-direction:column;gap:8px;align-items:flex-start}
  .lh-note{font-size:10.5px;line-height:1.6}}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1.32fr .68fr;gap:84px;align-items:start}
.h2-sm{font-family:'Archivo',sans-serif;font-weight:700;font-size:clamp(1.35rem,2.1vw,1.85rem);letter-spacing:-.02em;line-height:1.22;margin:0 0 22px;color:#171C21}
.about-copy p{font-size:1rem;line-height:1.86;color:rgba(23,28,33,.78);margin-bottom:18px;max-width:64ch;font-weight:300}
.about-copy .h2-sm{margin-top:48px}
.tick-list{list-style:none;margin-top:10px}
.tick-list li{position:relative;padding-left:28px;margin-bottom:15px;font-size:.95rem;line-height:1.75;color:rgba(23,28,33,.78)}
.tick-list li::before{content:'';position:absolute;left:0;top:8px;width:11px;height:6px;
  border-left:1.5px solid var(--amber);border-bottom:1.5px solid var(--amber);transform:rotate(-45deg)}
.tick-list strong{color:#171C21;font-weight:600}
.about-side{position:sticky;top:112px}
.side-card{border:1px solid var(--line);background:var(--ink-2);padding:30px}
.side-card .cap{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--amber);margin-bottom:20px}
.side-card p{font-size:13px;line-height:1.78;color:rgba(23,28,33,.72);margin-bottom:16px}
.side-card dl div{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--line);font-size:13px}
.side-card dl div:last-child{border-bottom:0;padding-bottom:0}
.side-card dt{color:rgba(23,28,33,.56)}
.side-card dd{color:#171C21;text-align:right}
.side-card .btn{width:100%;justify-content:center;margin-top:6px}
.side-card + .side-card{margin-top:16px}
.side-note{margin-top:18px;border-left:2px solid var(--amber);padding:6px 0 6px 20px;font-size:13px;line-height:1.78;color:rgba(23,28,33,.7)}
.side-note strong{color:#171C21}

.str-band-4{grid-template-columns:1.5fr 1fr 1fr}

/* ---------- timeline ---------- */
.timeline{list-style:none;border-top:1px solid var(--line)}
.timeline li{display:grid;grid-template-columns:140px 1fr;gap:44px;padding:34px 0;border-bottom:1px solid var(--line)}
.t-year{font-family:'Archivo',sans-serif;font-weight:700;font-size:.9rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--amber);padding-top:3px}
.timeline h3{font-family:'Archivo',sans-serif;font-size:1.18rem;font-weight:600;letter-spacing:-.01em;margin-bottom:10px}
.timeline p{font-size:.95rem;line-height:1.78;color:rgba(23,28,33,.72);max-width:66ch}

/* ---------- split CTA ---------- */
.split-cta{display:flex;justify-content:space-between;align-items:center;gap:64px;flex-wrap:wrap}
.split-cta h2{font-size:clamp(1.8rem,3.2vw,2.9rem);margin:22px 0 18px}
.split-cta h2 em{font-style:normal;color:var(--amber)}
.split-cta p{font-size:1rem;line-height:1.82;color:rgba(23,28,33,.74);max-width:50ch}
.split-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn-line{border-color:rgba(23,28,33,.24);color:#171C21}
.btn-line:hover{border-color:var(--amber);color:var(--amber)}

/* ---------- product detail ---------- */
.prod-hero{padding:150px 0 80px;border-bottom:1px solid var(--line);background:var(--ink-2)}
.prod-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.prod-hero-media{position:relative;background:var(--paper);padding:26px}
.prod-hero-media img{width:100%;height:auto;object-fit:contain;aspect-ratio:4/3}
.badge-static{position:absolute;top:0;left:0;z-index:2;background:var(--ink);color:var(--amber);
  font-size:9.5px;letter-spacing:.2em;padding:7px 12px}
.prod-hero-copy h1{font-size:clamp(2rem,3.6vw,3.1rem);margin:22px 0 24px}
.prod-hero-copy .lead{font-size:1.02rem;line-height:1.8;color:rgba(23,28,33,.78);max-width:48ch}
.model-row{display:flex;gap:18px;align-items:baseline;margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}
.model-row .cap{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:rgba(23,28,33,.52)}
.model-list{font-family:'Archivo',sans-serif;font-weight:600;font-size:.95rem;letter-spacing:.02em;color:var(--amber)}
.prod-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}

.prod-body-grid{display:grid;grid-template-columns:1.4fr .6fr;gap:80px;align-items:start}
.prose{max-width:72ch}
.prose h2{font-family:'Archivo',sans-serif;font-weight:700;font-size:1.5rem;letter-spacing:-.02em;
  margin:44px 0 16px;color:#171C21}
.prose h2:first-child{margin-top:0}
.prose h3{font-family:'Archivo',sans-serif;font-weight:600;font-size:1.15rem;margin:32px 0 12px}
.prose p{font-size:1rem;line-height:1.86;color:rgba(23,28,33,.78);margin-bottom:18px}
.prose strong{color:#171C21;font-weight:600}
.prose a{color:var(--amber);border-bottom:1px solid rgba(240,130,30,.35)}
.prose ul,.prose ol{margin:0 0 22px 0;padding-left:0;list-style:none}
.prose ul li{position:relative;padding-left:26px;margin-bottom:12px;font-size:.96rem;line-height:1.75;color:rgba(23,28,33,.78)}
.prose ul li::before{content:'';position:absolute;left:0;top:9px;width:10px;height:5px;
  border-left:1.5px solid var(--amber);border-bottom:1.5px solid var(--amber);transform:rotate(-45deg)}
.prose blockquote{border-left:2px solid var(--amber);padding-left:22px;margin:26px 0;color:rgba(23,28,33,.85);font-style:italic}

.spec-table{width:100%;border-collapse:collapse;margin:14px 0 30px;font-size:.92rem}
.spec-table th,.spec-table td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line)}
.spec-table th{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:rgba(23,28,33,.56);font-weight:500}
.spec-table td:first-child{color:rgba(23,28,33,.74);width:46%}
.spec-table td:last-child{color:#171C21}
.prod-aside{position:sticky;top:112px}

/* ---------- product list ---------- */
.prod-list{border-top:1px solid var(--line)}
.pl-row{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:center;
  padding:44px 0;border-bottom:1px solid var(--line)}
.pl-media{overflow:hidden;background:var(--paper);display:block;aspect-ratio:4/3}
.pl-media img{width:100%;height:100%;object-fit:contain;padding:14px;aspect-ratio:auto;
  transition:transform .7s cubic-bezier(.2,.7,.3,1)}
.pl-row:hover .pl-media img{transform:scale(1.03)}
.pl-copy{display:grid;grid-template-columns:52px 1fr;gap:22px;align-items:start}
.pl-idx{font-family:'Archivo',sans-serif;font-weight:700;font-size:.78rem;color:rgba(23,28,33,.4);padding-top:6px}
.pl-stage{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--amber);margin-bottom:10px}
.pl-copy h2{font-family:'Archivo',sans-serif;font-weight:700;font-size:clamp(1.25rem,2vw,1.7rem);
  letter-spacing:-.02em;line-height:1.2;margin-bottom:14px}
.pl-copy h2 a:hover{color:var(--amber)}
.pl-copy p{font-size:.95rem;line-height:1.75;color:rgba(23,28,33,.72);max-width:52ch}
.pl-models{font-size:12.5px;color:rgba(23,28,33,.54);margin-top:12px;letter-spacing:.02em}
.pl-copy .more{margin-top:20px;display:inline-flex}

/* ---------- insights list ---------- */
.filter-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:48px}
.chip{font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;padding:9px 18px;
  border:1px solid var(--line);color:rgba(23,28,33,.74);transition:all .25s}
.chip:hover{border-color:rgba(23,28,33,.52);color:#171C21}
.chip.on{background:var(--amber);border-color:var(--amber);color:#171C21;font-weight:600}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--line)}
.post-card{background:var(--ink-2);display:flex;flex-direction:column;transition:background .3s}
.post-card:hover{background:var(--ink-3)}
.pc-media{display:block;overflow:hidden;background:var(--paper);aspect-ratio:3/2}
.pc-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:auto;transition:transform .7s}
.post-card:hover .pc-media img{transform:scale(1.04)}
.pc-body{padding:26px 24px 30px;display:flex;flex-direction:column;gap:12px}
.pc-body h2{font-family:'Archivo',sans-serif;font-weight:600;font-size:1.05rem;line-height:1.38;letter-spacing:-.01em}
.pc-body h2 a:hover{color:var(--amber)}
.pc-body p{font-size:.88rem;line-height:1.7;color:rgba(23,28,33,.68)}
.empty-note{color:rgba(23,28,33,.62);font-size:.95rem;padding:60px 0}

/* ---------- article ---------- */
.article-head{padding:150px 0 0}
.article-head h1{font-size:clamp(2rem,4vw,3.4rem);margin:22px 0 24px;max-width:26ch}
.article-head .lead{font-size:1.05rem;line-height:1.8;color:rgba(23,28,33,.78);max-width:58ch}
.article-meta{display:flex;gap:26px;flex-wrap:wrap;margin-top:30px;padding-top:22px;
  border-top:1px solid var(--line);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:rgba(23,28,33,.52)}
.article-cover{margin-top:52px}
.article-cover{overflow:hidden}.article-cover img{width:100%;height:100%;aspect-ratio:16/8;object-fit:cover;background:var(--paper);display:block}
.article-body{display:grid;grid-template-columns:1.45fr .55fr;gap:80px;padding-top:64px}
.article-aside{position:sticky;top:112px}
.news-grid-flat{grid-template-columns:1fr 1fr;background:transparent;gap:0}
.news-grid-flat .n-item{background:var(--ink-2);border:1px solid var(--line)}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:80px;align-items:start}
.enquiry-form{border:1px solid var(--line);background:var(--ink-2);padding:44px 40px}
.enquiry-form .t{font-family:'Archivo',sans-serif;font-weight:600;font-size:1.15rem;margin-bottom:6px}
.enquiry-form .s{font-size:12.5px;color:rgba(23,28,33,.66);margin-bottom:28px;line-height:1.6}
.fld-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:12px;line-height:1.6;
  color:rgba(23,28,33,.68);margin:6px 0 20px}
.consent input{margin-top:2px;accent-color:var(--amber);width:15px;height:15px;flex:0 0 auto}
.enquiry-form .btn{width:100%;justify-content:center}
.form-done{border-left:2px solid #4CAF7D;background:rgba(27,107,69,.14);padding:26px 28px;margin-bottom:24px}
.form-done h2{margin:10px 0 12px}
.form-done p{font-size:13.5px;line-height:1.75;color:rgba(23,28,33,.8)}
.form-done a{color:var(--amber)}
.form-err{border-left:2px solid #DC3C28;background:rgba(220,60,40,.12);padding:18px 22px;margin-bottom:24px;font-size:13.5px}
.form-err ul{margin:8px 0 0 18px;color:rgba(23,28,33,.85)}
.contact-side{position:sticky;top:112px}

.faq-sec{background:var(--ink-2);border-top:1px solid var(--line)}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{cursor:pointer;padding:26px 44px 26px 0;position:relative;
  font-family:'Archivo',sans-serif;font-weight:600;font-size:1.02rem;letter-spacing:-.01em;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';position:absolute;right:6px;top:23px;font-size:1.3rem;
  font-weight:400;color:var(--amber);transition:transform .3s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--amber)}
.faq-item p{padding:0 60px 26px 0;font-size:.95rem;line-height:1.8;color:rgba(23,28,33,.74);max-width:76ch}

/* ---------- floating contact ---------- */
.float-bar{position:fixed;right:20px;bottom:22px;z-index:90;display:flex;flex-direction:column;gap:10px}
.fb-btn{width:46px;height:46px;display:flex;align-items:center;justify-content:center;
  color:#171C21;border:1px solid rgba(23,28,33,.18);background:rgba(31,38,44,.92);
  backdrop-filter:blur(8px);transition:all .28s}
.fb-btn:hover{transform:translateY(-2px)}
.fb-wa:hover{background:#25D366;border-color:#25D366;color:#171C21}
.fb-mail:hover{background:var(--amber);border-color:var(--amber);color:#171C21}

/* ---------- cookie ---------- */
.cookie{position:fixed;left:20px;right:20px;bottom:20px;z-index:95;max-width:440px;
  display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap;
  background:rgba(23,28,33,.97);border:1px solid var(--line);padding:13px 16px;
  box-shadow:0 18px 50px rgba(0,0,0,.4)}
.cookie p{font-size:11.5px;line-height:1.55;color:rgba(23,28,33,.72);margin:0;max-width:38ch}
.cookie button{background:var(--amber);color:#171C21;border:0;padding:8px 14px;
  font:600 12px/1 inherit;letter-spacing:.04em;cursor:pointer;white-space:nowrap}

/* ---------- mobile nav ---------- */
.burger{display:none;flex-direction:column;gap:4px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{display:block;width:20px;height:1.5px;background:#fff;transition:transform .3s,opacity .3s}
.burger.on span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.burger.on span:nth-child(2){opacity:0}
.burger.on span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}
.m-nav{display:none;flex-direction:column;background:rgba(23,28,33,.98);
  border-top:1px solid var(--line);padding:14px 24px 22px}
.m-nav a{padding:13px 0;font-size:14px;color:rgba(23,28,33,.8);border-bottom:1px solid rgba(23,28,33,.06)}
.m-nav a:last-child{border-bottom:0}

/* ---------- responsive ---------- */
/* equal-height image bands: drive the ratio from the figure, not the <img> */
.str-band figure{aspect-ratio:3/2}
.str-band picture{position:absolute;inset:0;height:100%}
.str-band img{width:100%;height:100%;object-fit:cover;aspect-ratio:auto}
.str-band figcaption{z-index:2}

@media(max-width:1100px){
  .about-grid,.prod-body-grid,.article-body,.contact-grid{grid-template-columns:1fr;gap:48px}
  .about-side,.prod-aside,.article-aside,.contact-side{position:static}
  .prod-hero-grid{grid-template-columns:1fr;gap:40px}
  .post-grid{grid-template-columns:1fr 1fr}
  .pl-row{grid-template-columns:1fr;gap:28px}
}
@media(max-width:900px){
  .burger{display:flex}
  .m-nav:not([hidden]){display:flex}
  .page-hero{padding:132px 0 70px}
  .page-hero-short{padding:120px 0 60px}
  .sec{padding:78px 0}
  .timeline li{grid-template-columns:1fr;gap:12px}
  .str-band-4{grid-template-columns:1fr 1fr}
  .split-cta{gap:34px}
  .hide-sm{display:none}
  .article-head{padding-top:120px}
}
@media(max-width:680px){
  .post-grid{grid-template-columns:1fr}
  .fld-row{grid-template-columns:1fr}
  .str-band-4{grid-template-columns:1fr}
  .news-grid-flat{grid-template-columns:1fr}
  .enquiry-form{padding:30px 22px}
  .float-bar{right:12px;bottom:14px}
  .cookie{left:12px;right:12px;bottom:12px}
}

/* ---------- 404 ---------- */
.nf-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:60px}
.nf-num{font-family:'Archivo',sans-serif;font-weight:800;font-size:clamp(110px,17vw,250px);line-height:.78;
  letter-spacing:-.05em;color:transparent;-webkit-text-stroke:1px rgba(23,28,33,.2);user-select:none}
@media(max-width:900px){.nf-grid{grid-template-columns:1fr;gap:34px}.nf-num{font-size:110px;opacity:.7}}


/* ==================================================================
   LIGHT THEME · dark accents
   ================================================================== */
/* ----- inner page heroes stay dark so the nav reads on top of them ----- */
.page-hero{background:#171C21;border-bottom:1px solid rgba(255,255,255,.1)}
.page-hero::after{
  background:linear-gradient(100deg,rgba(23,28,33,.93) 0%,rgba(23,28,33,.82) 52%,rgba(23,28,33,.66) 100%)}
.page-hero h1{color:#fff}
.page-hero .lead{color:rgba(255,255,255,.8)}
.page-hero .crumb{color:rgba(255,255,255,.52)}
.page-hero-bg img{opacity:.42}

/* the badge sits on a white product card */
.badge-static{background:#171C21;color:var(--amber)}