:root{--steel:#c7cdd0;--muted:#667075;--panel:#e5e6e2}

/* Readability and keyboard access */
.brand small{font-size:12px;letter-spacing:.18em}
.site-header nav{font-size:14px}
.button{font-size:14px}
.eyebrow,.kicker{font-size:12px}
.hero-proof span,.capability-rail span,.feature-media span,.factory-photo span,.whatsapp-direct span,.quote label{font-size:12px}
.text-link,.feature-copy a,.evidence-link{font-size:14px}
.industry-grid span,.timeline b,.production-chain span,.verification-pack span,.quality-inner li>span{font-size:12px}
.industry-grid p,.feature-copy p:not(.eyebrow),.timeline p,.factory-copy li,.production-chain p,.spec-grid p,.quality-inner li p,.pack-list span{font-size:14px}
.boundary,.form-note,footer{font-size:13px}
.footer-col strong{font-size:13px}
.verification-pack small{font-size:13px}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #ff8a54;outline-offset:4px}
.menu-button{font-size:14px}
.site-header nav a[aria-current="page"]{color:#fff;border-bottom:2px solid var(--orange);padding-bottom:5px}

/* Semantic hero image */
.hero-image{position:absolute;inset:0;margin:0}
.hero-image img{width:100%;height:100%;object-fit:cover;object-position:center;filter:saturate(.78) contrast(1.05)}

/* Practical configuration content */
.option-section{background:#e4e5e1;color:#11161a}
.option-head{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px;align-items:end;margin-bottom:42px}
.option-head h2,.leadtime-intro h2{font-size:clamp(40px,4.8vw,68px);line-height:1;letter-spacing:-.05em;margin:10px 0 0}
.option-head p,.leadtime-intro p{color:#5d666a;margin:0;max-width:660px}
.option-table{width:100%;border-collapse:collapse;border-top:2px solid #171c1f}
.option-table th,.option-table td{text-align:left;vertical-align:top;padding:22px 18px;border-bottom:1px solid #b5bab9}
.option-table th{width:24%;font-size:14px;letter-spacing:.04em}
.option-table td{font-size:15px;color:#4f595e}
.option-table td strong{color:#151a1d}
.option-note{font-size:13px;color:#667075;margin:20px 0 0}

.materials-visual{display:grid;grid-template-columns:1.15fr .85fr;gap:14px;margin-top:50px}
.materials-visual figure{margin:0;background:#171c1f;position:relative;overflow:hidden;min-height:390px}
.materials-visual figure:last-child{min-height:390px}
.materials-visual img{width:100%;height:100%;object-fit:cover;position:absolute}
.materials-visual figcaption{position:absolute;left:16px;bottom:16px;background:#080b0de8;color:#fff;padding:9px 12px;font-size:13px}

.leadtime{background:#101416;color:#fff}
.leadtime-intro{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:end}
.leadtime-intro p{color:#a4adb0}
.leadtime-grid{display:grid;grid-template-columns:repeat(5,1fr);margin-top:48px;border-top:2px solid #fff}
.leadtime-grid article{padding:26px 22px 30px 0;border-right:1px solid #343b3e}
.leadtime-grid article+article{padding-left:22px}
.leadtime-grid span{display:block;color:var(--orange);font-size:12px;font-weight:900}
.leadtime-grid b{display:block;font-size:19px;margin:30px 0 8px}
.leadtime-grid p{font-size:14px;color:#9ea7aa;margin:0}
.leadtime-note{font-size:13px;color:#8e979a;margin:24px 0 0}

.case-gallery{background:#0b0e10;color:#fff}
.case-gallery-head{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px;align-items:end;margin-bottom:42px}
.case-gallery-head h2{font-size:clamp(40px,4.8vw,68px);line-height:1;letter-spacing:-.05em;margin:10px 0 0}
.case-gallery-head p{color:#a0a8ab;margin:0}
.case-gallery-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;grid-template-rows:260px 260px;gap:12px}
.case-gallery-grid figure{position:relative;margin:0;overflow:hidden;background:#202629}
.case-gallery-grid figure:first-child{grid-row:1/3}
.case-gallery-grid img{width:100%;height:100%;object-fit:cover}
.case-gallery-grid figcaption{position:absolute;left:14px;bottom:14px;background:#080b0de6;padding:8px 11px;font-size:13px}

.decision-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#abb0b0;border:1px solid #abb0b0;margin-top:38px}
.decision-strip article{background:#f0f0ed;padding:25px}
.decision-strip b{display:block;font-size:17px;margin-bottom:7px}
.decision-strip p{font-size:14px;color:#626b6f;margin:0}

@media(max-width:1000px){
  .option-head,.leadtime-intro,.materials-visual,.case-gallery-head{grid-template-columns:1fr}
  .leadtime-grid{grid-template-columns:1fr 1fr}
  .leadtime-grid article{border-bottom:1px solid #343b3e}
  .leadtime-grid article:nth-child(even){border-right:0}
  .case-gallery-grid{grid-template-columns:1fr 1fr;grid-template-rows:420px 260px}
  .case-gallery-grid figure:first-child{grid-column:1/3;grid-row:auto}
}
@media(max-width:650px){
  .brand small{display:none}
  .hero-image img{object-position:62% center}
  .option-table,.option-table tbody,.option-table tr,.option-table th,.option-table td{display:block}
  .option-table tr{padding:20px 0;border-bottom:1px solid #b5bab9}
  .option-table th,.option-table td{width:auto;border:0;padding:3px 0}
  .materials-visual figure{min-height:300px}
  .leadtime-grid{grid-template-columns:1fr}
  .leadtime-grid article,.leadtime-grid article+article{padding:24px 0;border-right:0}
  .case-gallery-grid{display:grid;grid-template-columns:1fr;grid-template-rows:none}
  .case-gallery-grid figure,.case-gallery-grid figure:first-child{grid-column:auto;height:280px}
  .decision-strip{grid-template-columns:1fr}
}

/* Product and application overview pages */
.overview-page{background:#0a0d0f;color:#fff}
.overview-hero{max-width:var(--max);margin:auto;padding:170px 28px 84px;display:grid;grid-template-columns:.78fr 1.22fr;gap:70px;align-items:end}
.overview-hero h1{font-size:clamp(54px,7vw,100px);margin:0}
.overview-hero .lead{font-size:18px;color:#adb5b8;max-width:680px;margin:0}
.overview-grid{max-width:var(--max);margin:auto;padding:0 28px 120px;display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.overview-card{background:#141a1e;min-height:560px;display:grid;grid-template-rows:320px 1fr;overflow:hidden}
.overview-card img{width:100%;height:100%;object-fit:cover}
.overview-card img,.content-hero img,.detail-hero img,.materials-visual img,.case-gallery-grid img,.real-gallery img,.evidence-gallery img{filter:saturate(.78) contrast(1.04)}
.overview-card-body{padding:34px 36px 38px;display:flex;flex-direction:column}
.overview-card .card-no{color:var(--orange);font-size:12px;font-weight:900;letter-spacing:.12em}
.overview-card h2{font-size:34px;line-height:1.05;margin:18px 0 14px}
.overview-card p{font-size:15px;color:#a8b0b3;margin-bottom:28px}
.overview-card a{margin-top:auto;border-top:1px solid #3a4245;padding-top:17px;font-size:14px;font-weight:900;display:flex;justify-content:space-between}
.overview-card a span{color:var(--orange)}
.overview-guide{background:#e4e5e1;color:#11161a}
.overview-guide-inner{display:grid;grid-template-columns:.7fr 1.3fr;gap:75px}
.overview-guide h2{font-size:clamp(40px,4.8vw,68px);line-height:1;letter-spacing:-.05em}
.guide-list{border-top:2px solid #1a2023}
.guide-list article{display:grid;grid-template-columns:52px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid #b4b9b8}
.guide-list span{color:var(--orange);font-size:12px;font-weight:900}
.guide-list b{display:block;font-size:18px;margin-bottom:4px}
.guide-list p{font-size:14px;color:#626b6f;margin:0}

/* Deeper buyer guidance blocks */
.buyer-detail{background:#e4e5e1;color:#11161a}
.buyer-detail.dark{background:#11161a;color:#fff}
.buyer-detail-head{display:grid;grid-template-columns:.65fr 1.35fr;gap:70px;align-items:end;margin-bottom:40px}
.buyer-detail h2{font-size:clamp(38px,4.6vw,64px);line-height:1;letter-spacing:-.05em;margin:10px 0 0}
.buyer-detail-head>p{color:#626b6f;margin:0}
.buyer-detail.dark .buyer-detail-head>p{color:#9da6a9}
.buyer-detail-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:2px solid currentColor}
.buyer-detail-grid article{padding:26px 24px 30px 0;border-right:1px solid #afb4b3}
.buyer-detail-grid article+article{padding-left:24px}
.buyer-detail.dark .buyer-detail-grid article{border-right-color:#353d40}
.buyer-detail-grid b{display:block;font-size:18px;margin-bottom:10px}
.buyer-detail-grid p{font-size:14px;color:#626b6f;margin:0}
.buyer-detail.dark .buyer-detail-grid p{color:#9da6a9}
.technical-figure{margin:42px 0 0;background:#d9dad6;border:1px solid #b8bdbc;padding:24px}
.technical-figure img{width:100%;height:auto}
.technical-figure figcaption{font-size:13px;color:#626b6f;margin-top:12px}
.detail-faq{display:grid;grid-template-columns:.65fr 1.35fr;gap:70px}
.detail-faq h2{font-size:clamp(38px,4.6vw,64px);line-height:1;letter-spacing:-.05em}
.detail-faq details{border-top:1px solid #3c4447;padding:20px 0}
.detail-faq summary{font-size:17px;font-weight:800;cursor:pointer}
.detail-faq details p{font-size:14px;color:#9fa8ab;margin:12px 0 0}

.not-found{min-height:100vh;background:#0a0d0f;color:#fff;display:grid;place-items:center;padding:110px 24px 60px}
.not-found-inner{max-width:850px;text-align:center}
.not-found-code{color:var(--orange);font-size:14px;font-weight:900;letter-spacing:.2em}
.not-found h1{font-size:clamp(56px,9vw,120px);margin:18px auto 28px}
.not-found p{font-size:18px;color:#a9b1b4;max-width:620px;margin:0 auto 34px}
.not-found-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.not-found .text-link{align-self:center}

@media(max-width:1000px){
  .overview-hero,.overview-guide-inner,.buyer-detail-head,.detail-faq{grid-template-columns:1fr}
  .buyer-detail-grid{grid-template-columns:1fr 1fr}
  .buyer-detail-grid article:nth-child(even){border-right:0}
}
@media(max-width:650px){
  .overview-hero{padding:135px 20px 60px;gap:24px}
  .overview-grid{grid-template-columns:1fr;padding:0 20px 80px}
  .overview-card{min-height:0;grid-template-rows:250px 1fr}
  .overview-card-body{padding:28px 24px}
  .buyer-detail-grid{grid-template-columns:1fr}
  .buyer-detail-grid article,.buyer-detail-grid article+article{padding:22px 0;border-right:0;border-bottom:1px solid #afb4b3}
  .buyer-detail.dark .buyer-detail-grid article{border-bottom-color:#353d40}
  .technical-figure{padding:10px;overflow:auto}
  .technical-figure img{min-width:720px}
}