/* Extracted from mega-product-detail.html. Keep static HTML structure separate from runtime CSS. */
:root{
  --bg:#fafaf8;--bg-2:#f2f1ed;--bg-3:#e8e6df;
  --ink:#0a0a0a;--muted:#6b6b68;--muted-2:#9a9a95;
  --line:#dcdad3;--accent:#c8372a;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;line-height:1.55;font-size:15px;overflow-x:hidden;}
img{display:block;max-width:100%;}
a{text-decoration:none;color:inherit;}

/* ── Keyboard accessibility (focus-visible) ── */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}
button:focus:not(:focus-visible),
a:focus:not(:focus-visible){outline:none;}
.display{font-family:'Archivo',sans-serif;letter-spacing:-0.035em;line-height:.92;}
.label{font-family:'Archivo',sans-serif;font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);display:inline-flex;align-items:center;gap:10px;}
.label::before{content:'◆';color:var(--accent);font-size:8px;}
.container{max-width:1480px;margin:0 auto;padding:0 40px;}

/* ══ NAV ══ */
nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(250,250,248,0.96);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);color:var(--ink);}
.nav-inner{max-width:1480px;margin:0 auto;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:40px;padding:22px 40px;}
.logo{font-family:'Archivo',sans-serif;font-size:22px;font-weight:800;letter-spacing:-.02em;color:inherit;}
.logo span{color:var(--accent);}
.nav-links{display:flex;gap:28px;list-style:none;justify-self:start;}
.nav-links a{text-decoration:none;color:inherit;font-size:13px;font-weight:500;opacity:.7;transition:opacity .2s;}
.nav-links a:hover{opacity:1;}
.nav-right{display:flex;gap:14px;align-items:center;}
.ghost-link{font-size:12px;opacity:.7;color:inherit;}
.cta-btn{font-family:'Archivo',sans-serif;font-weight:600;letter-spacing:.12em;text-transform:uppercase;border:none;cursor:pointer;padding:12px 20px;background:var(--accent);color:#fff;font-size:11px;transition:.2s;}
.cta-btn:hover{background:#dd4934;}

/* ══ BREADCRUMB ══ */
.breadcrumb-bar{
  padding:100px 0 0;
}
.breadcrumb{
  font-family:'Archivo',sans-serif;font-size:11px;font-weight:500;
  letter-spacing:.12em;text-transform:uppercase;color:var(--muted);
  padding:20px 0;border-bottom:1px solid var(--line);
}
.breadcrumb a{color:var(--muted);transition:color .2s;}
.breadcrumb a:hover{color:var(--ink);}

/* ══ PRODUCT DETAIL LAYOUT ══ */
.product-detail{
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:80px;
  padding:60px 0 100px;
  align-items:start;
}

/* ── Gallery (left) ── */
.gallery{position:sticky;top:100px;}
.gallery-main{
  width:100%;aspect-ratio:3/4;overflow:hidden;
  background:var(--bg-2);margin-bottom:14px;
}
.gallery-main img{width:100%;height:100%;object-fit:cover;transition:opacity .3s;}
.gallery-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;}
.gallery-thumbs .thumb{
  aspect-ratio:1;overflow:hidden;background:var(--bg-2);
  cursor:pointer;border:2px solid transparent;
  transition:border-color .2s;
}
.gallery-thumbs .thumb:hover,.gallery-thumbs .thumb.active{border-color:var(--accent);}
.gallery-thumbs .thumb img{width:100%;height:100%;object-fit:cover;}

/* ── Info (right) ── */
.product-info{padding-top:12px;}
.product-info .cat-tag{
  display:inline-block;
  font-family:'Archivo',sans-serif;font-size:10px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;
  padding:6px 12px;background:var(--accent);color:#fff;
  margin-bottom:18px;
}
.product-info .sku{
  font-family:'Archivo',sans-serif;font-size:11px;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted);
  margin-bottom:10px;
}
.product-info h1{
  font-family:'Archivo',sans-serif;font-size:clamp(32px,4vw,52px);
  font-weight:800;letter-spacing:-0.02em;line-height:1;
  margin-bottom:24px;
}
.product-info .desc{
  font-size:16px;color:var(--muted);line-height:1.75;
  margin-bottom:36px;padding-bottom:36px;border-bottom:1px solid var(--line);
}

/* ── Specs table ── */
.specs-table{margin-bottom:40px;}
.spec-row{
  display:grid;grid-template-columns:140px 1fr;
  border-bottom:1px solid var(--line);
}
.spec-row:first-child{border-top:1px solid var(--line);}
.spec-label{
  font-family:'Archivo',sans-serif;font-size:11px;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;color:var(--muted);
  padding:16px 0;
}
.spec-value{
  font-size:15px;font-weight:500;padding:16px 0;color:var(--ink);
}

/* ── Logo methods ── */
.logo-methods{margin-bottom:40px;}
.logo-methods h4{
  font-family:'Archivo',sans-serif;font-size:13px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;
  margin-bottom:14px;color:var(--muted);
}
.method-tags{display:flex;gap:8px;flex-wrap:wrap;}
.method-tag{
  font-family:'Archivo',sans-serif;font-size:11px;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;
  padding:10px 16px;border:1px solid var(--line);color:var(--ink);
  transition:.2s;
}
.method-tag:hover{border-color:var(--accent);color:var(--accent);}

/* ── CTA Buttons ── */
.product-ctas{display:flex;flex-direction:column;gap:12px;margin-bottom:36px;}
.btn-primary-full{
  width:100%;padding:18px;text-align:center;
  font-family:'Archivo',sans-serif;font-weight:700;font-size:13px;
  letter-spacing:.12em;text-transform:uppercase;
  background:var(--ink);color:#fff;border:none;cursor:pointer;
  transition:.25s;display:flex;align-items:center;justify-content:center;gap:10px;
}
.btn-primary-full:hover{background:var(--accent);}
.btn-secondary-full{
  width:100%;padding:18px;text-align:center;
  font-family:'Archivo',sans-serif;font-weight:600;font-size:12px;
  letter-spacing:.12em;text-transform:uppercase;
  background:transparent;color:var(--ink);
  border:1px solid var(--line);cursor:pointer;transition:.25s;
}
.btn-secondary-full:hover{border-color:var(--ink);}
.btn-wa{
  width:100%;padding:16px;text-align:center;
  font-family:'Archivo',sans-serif;font-weight:600;font-size:12px;
  letter-spacing:.1em;text-transform:uppercase;
  background:#25D366;color:#fff;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;gap:10px;
  transition:.2s;
}
.btn-wa:hover{background:#1da851;}

/* ── Trust strip ── */
.trust-strip{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  border:1px solid var(--line);
}
.trust-item{
  padding:18px 20px;display:flex;align-items:center;gap:12px;
  font-size:12px;color:var(--muted);
  border-right:1px solid var(--line);
}
.trust-item:nth-child(2n){border-right:none;}
.trust-item:nth-child(n+3){border-top:1px solid var(--line);}
.trust-icon{font-size:18px;}

/* ══ DETAIL SECTION ══ */
.detail-section{
  padding:100px 0;border-top:1px solid var(--line);
}
.detail-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;
  margin-top:48px;
}
.detail-card{
  position:relative;overflow:hidden;aspect-ratio:4/3;
  background:var(--bg-2);
}
.detail-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s;}
.detail-card:hover img{transform:scale(1.04);}
.detail-card .overlay{
  position:absolute;left:20px;right:20px;bottom:20px;z-index:2;
  color:#fff;
}
.detail-card::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.7));
}
.detail-card .overlay{z-index:3;}
.detail-card .overlay h4{
  font-family:'Archivo',sans-serif;font-size:20px;font-weight:700;
  margin-bottom:6px;
}
.detail-card .overlay p{font-size:13px;color:rgba(255,255,255,.8);line-height:1.6;}

/* ══ RELATED PRODUCTS ══ */
.related{padding:100px 0;background:var(--bg-2);}
.related .sec-head{margin-bottom:48px;}
.related h2{
  font-family:'Archivo',sans-serif;font-size:clamp(32px,4vw,56px);
  font-weight:300;letter-spacing:-0.03em;line-height:.95;
}
.related h2 strong{font-weight:800;}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.rel-card{transition:transform .3s;}
.rel-card:hover{transform:translateY(-4px);}
.rel-card .img-wrap{
  aspect-ratio:3/4;overflow:hidden;background:var(--bg-3);margin-bottom:16px;
}
.rel-card .img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .6s;}
.rel-card:hover .img-wrap img{transform:scale(1.05);}

.rel-card .rel-label{
  font-family:'Archivo',sans-serif;font-size:9px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--accent);
  margin-bottom:4px;
}

.rel-card .sku{
  font-family:'Archivo',sans-serif;font-size:10px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:4px;
}
.rel-card h4{
  font-family:'Archivo',sans-serif;font-size:17px;font-weight:700;
  letter-spacing:-0.01em;margin-bottom:6px;
}
.rel-card .meta{font-size:13px;color:var(--muted);}

/* ══ FOOTER ══ */
footer{background:#0b0b0b;color:#fff;padding:78px 0 34px;}
.foot-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:44px;padding-bottom:54px;border-bottom:1px solid #262626;}
.foot-logo{font-family:'Archivo',sans-serif;font-size:30px;font-weight:800;letter-spacing:-.02em;margin-bottom:20px;}
.foot-logo span{color:var(--accent);}
.foot-desc{font-size:13px;color:#b8b8b1;max-width:360px;line-height:1.8;}
.foot-top h5{font-family:'Archivo',sans-serif;font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:#8d8d87;margin-bottom:18px;}
.foot-top ul{list-style:none;display:grid;gap:10px;}
.foot-top a,.foot-top li{font-size:13px;color:#d7d7d1;text-decoration:none;}
.foot-bot{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-top:24px;font-size:11px;color:#8f8f89;}
.foot-legal{padding-top:14px;font-size:11px;color:#8f8f89;display:flex;gap:10px;flex-wrap:wrap;align-items:center;justify-content:center;}
.foot-legal a{color:#8f8f89;text-decoration:none;border-bottom:1px solid transparent;transition:border-color .2s;}
.foot-legal a:hover{border-bottom-color:#c8372a;color:#c8372a;}
.foot-legal .sep{opacity:.5;}


/* ══ WHATSAPP ══ */
.wa-float{
  position:fixed;bottom:28px;right:28px;z-index:999;
  width:60px;height:60px;border-radius:50%;background:#25D366;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 20px rgba(37,211,102,0.4);transition:transform .3s;
}
.wa-float:hover{transform:scale(1.1);}


/* ══ CUSTOM OPTIONS ══ */
.custom-options{padding:100px 0;background:var(--ink);color:#fff;}
.custom-options .label{color:var(--muted-2);}
.custom-options h2{
  font-family:'Archivo',sans-serif;font-size:clamp(28px,3.5vw,48px);
  font-weight:300;letter-spacing:-0.03em;line-height:.95;
  margin-bottom:16px;color:#fff;
}
.custom-options h2 strong{font-weight:800;}
.custom-options > .container > p{
  font-size:16px;color:rgba(255,255,255,.6);line-height:1.7;
  max-width:600px;margin-bottom:48px;
}
.options-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.option-card{
  background:#111;border:1px solid #222;padding:32px;
  min-height:200px;display:flex;flex-direction:column;
  justify-content:space-between;transition:border-color .3s;
}
.option-card:hover{border-color:var(--accent);}
.option-card .icon{font-size:28px;margin-bottom:18px;}
.option-card h4{
  font-family:'Archivo',sans-serif;font-size:22px;font-weight:700;
  letter-spacing:-0.01em;margin-bottom:10px;
}
.option-card p{font-size:13px;color:#b7b7b2;line-height:1.7;}
.option-card .examples{
  margin-top:16px;padding-top:16px;border-top:1px solid #272727;
  font-family:'Archivo',sans-serif;font-size:11px;font-weight:500;
  letter-spacing:.08em;text-transform:uppercase;color:#999;
}

/* ══ PRODUCT INQUIRY FORM ══ */
.product-inquiry{padding:100px 0;border-top:1px solid var(--line);}
.inquiry-inner{display:grid;grid-template-columns:1fr 1.2fr;gap:80px;align-items:start;}
.inquiry-left h2{
  font-family:'Archivo',sans-serif;font-size:clamp(28px,3.5vw,48px);
  font-weight:300;letter-spacing:-0.03em;line-height:.95;margin-bottom:20px;
}
.inquiry-left h2 strong{font-weight:800;}
.inquiry-left p{font-size:15px;color:var(--muted);line-height:1.75;margin-bottom:24px;}
.inquiry-left .style-ref{
  padding:20px;background:var(--bg-2);border:1px solid var(--line);
  margin-bottom:24px;
}
.inquiry-left .style-ref .k{
  font-family:'Archivo',sans-serif;font-size:10px;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:4px;
}
.inquiry-left .style-ref .v{font-size:15px;font-weight:600;}
.inquiry-actions{display:flex;flex-direction:column;gap:12px;margin-top:20px;}
.inquiry-actions a{
  display:flex;align-items:center;gap:12px;padding:14px 18px;
  border:1px solid var(--line);font-size:13px;font-weight:500;
  color:var(--ink);transition:.2s;
}
.inquiry-actions a:hover{border-color:var(--accent);color:var(--accent);}
.inquiry-actions .icon{font-size:18px;}
.inquiry-form{background:var(--bg-2);padding:40px;border:1px solid var(--line);}
.inquiry-form .form-title{
  font-family:'Archivo',sans-serif;font-size:13px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
  margin-bottom:24px;
}
.inquiry-form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px;}
.inquiry-form .form-row.full{grid-template-columns:1fr;}
.inquiry-form label{
  display:block;font-family:'Archivo',sans-serif;font-size:11px;
  font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);margin-bottom:6px;
}
.inquiry-form input,.inquiry-form textarea,.inquiry-form select{
  width:100%;padding:14px 16px;border:1px solid var(--line);
  background:#fff;font-family:'Inter',sans-serif;font-size:14px;outline:none;
}
.inquiry-form textarea{min-height:100px;resize:vertical;}
.inquiry-form .prefilled{
  background:var(--bg-3);color:var(--muted);font-style:italic;
}
.btn-submit{
  width:100%;padding:18px;margin-top:8px;
  font-family:'Archivo',sans-serif;font-weight:700;font-size:13px;
  letter-spacing:.12em;text-transform:uppercase;
  background:var(--ink);color:#fff;border:none;cursor:pointer;transition:.2s;
}
.btn-submit:hover{background:var(--accent);}

/* Honeypot field — hidden from real users, visible to dumb bots */
.inquiry-form .hp-field{
  position:absolute;left:-10000px;top:auto;
  width:1px;height:1px;overflow:hidden;
}
.inquiry-form .form-privacy{
  font-size:12px;color:var(--muted);line-height:1.6;
  margin-top:14px;text-align:center;
}




/* ══ MOQ BREAKDOWN ══ */
.moq-box{
  background:var(--bg-2);border:1px solid var(--line);
  padding:28px;margin:28px 0;
}
.moq-box h4{
  font-family:'Archivo',sans-serif;font-size:11px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
  margin-bottom:18px;
}
.moq-box .tier{
  display:grid;grid-template-columns:auto 1fr auto;gap:16px;
  padding:14px 0;border-bottom:1px solid var(--line);align-items:baseline;
}
.moq-box .tier:last-child{border-bottom:none;padding-bottom:0;}
.moq-box .tier-num{
  font-family:'Archivo',sans-serif;font-size:10px;font-weight:700;
  letter-spacing:.14em;color:var(--accent);width:24px;
}
.moq-box .tier-info h5{
  font-family:'Archivo',sans-serif;font-size:14px;font-weight:700;
  letter-spacing:-0.01em;margin-bottom:4px;
}
.moq-box .tier-info p{font-size:12px;color:var(--muted);line-height:1.5;}
.moq-box .tier-qty{
  font-family:'Archivo',sans-serif;font-size:15px;font-weight:800;
  letter-spacing:-0.01em;color:var(--ink);text-align:right;white-space:nowrap;
}
.moq-box .tier-qty .unit{font-size:10px;font-weight:500;color:var(--muted);display:block;letter-spacing:.1em;text-transform:uppercase;}

/* ══ BEST FOR CHIPS ══ */
.best-for{
  padding:18px 0;margin:28px 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.best-for h4{
  font-family:'Archivo',sans-serif;font-size:10px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
  margin-bottom:12px;
}
.best-for .chips{display:flex;gap:8px;flex-wrap:wrap;}
.best-for .chip{
  font-family:'Archivo',sans-serif;font-size:10px;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;
  padding:7px 12px;background:var(--bg-2);color:var(--ink);
  border:1px solid var(--line);
}

/* ══ LOGO RECOMMENDATION HIGHLIGHT ══ */
/* ══ REASSURANCE BLOCK (merged: logo recommendation + reply promise) ══ */
.reassurance-block{
  margin-bottom:28px;
  background:#fdf4f3;border-left:3px solid var(--accent);
}
.reassurance-row{
  padding:14px 18px;
  border-bottom:1px solid rgba(200,55,42,0.12);
}
.reassurance-row:last-child{border-bottom:none;}
.reassurance-row strong{
  font-family:'Archivo',sans-serif;font-size:10px;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;color:var(--accent);
  display:block;margin-bottom:6px;
}
.reassurance-row p{
  font-size:13px;line-height:1.6;color:var(--ink);margin:0;
}
.reassurance-row p em{
  font-style:normal;font-weight:600;color:var(--ink);
}

/* ══ MOBILE STICKY ACTION BAR ══ */
.mobile-sticky-bar{
  display:none;
  position:fixed;bottom:0;left:0;right:0;z-index:90;
  background:#fff;border-top:1px solid var(--line);
  padding:12px;gap:10px;
  /* iOS/Android safe-area: adds the home-indicator inset to bottom padding */
  padding-bottom:calc(12px + env(safe-area-inset-bottom));
  box-shadow:0 -4px 20px rgba(0,0,0,0.08);
}
.mobile-sticky-bar a{
  flex:1;padding:14px;text-align:center;
  font-family:'Archivo',sans-serif;font-size:11px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;
  display:flex;align-items:center;justify-content:center;gap:8px;
}
.mobile-sticky-bar .wa{background:#25D366;color:#fff;}
.mobile-sticky-bar .quote{background:var(--ink);color:#fff;}

/* ══ HELPER LINKS (Size Guide, Swatch) ══ */
.helper-link{
  font-family:'Archivo',sans-serif;font-size:10px;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;color:var(--accent);
  margin-left:10px;cursor:pointer;border-bottom:1px solid transparent;
  transition:border-color .2s;
}
.helper-link:hover{border-bottom-color:var(--accent);}

/* ══ MODAL ══ */
.modal-overlay{
  display:none;position:fixed;inset:0;z-index:200;
  background:rgba(10,10,10,0.7);backdrop-filter:blur(6px);
  align-items:center;justify-content:center;padding:20px;
}
.modal-overlay.open{display:flex;}
.modal-content{
  background:#fff;max-width:720px;width:100%;
  max-height:85vh;overflow-y:auto;padding:48px;position:relative;
}
.modal-close{
  position:absolute;top:20px;right:20px;
  width:36px;height:36px;border-radius:50%;
  background:var(--bg-2);border:none;cursor:pointer;
  font-size:20px;color:var(--ink);
}
.modal-content h3{
  font-family:'Archivo',sans-serif;font-size:28px;font-weight:800;
  letter-spacing:-0.02em;margin-bottom:8px;
}
.modal-content .sub{font-size:13px;color:var(--muted);margin-bottom:24px;}
.size-table{width:100%;border-collapse:collapse;font-size:14px;}
.size-table th{
  background:var(--bg-2);text-align:left;padding:14px 12px;
  font-family:'Archivo',sans-serif;font-size:11px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
  border-bottom:1px solid var(--line);
}
.size-table td{padding:14px 12px;border-bottom:1px solid var(--line);}
.size-note{
  margin-top:20px;padding:16px;background:var(--bg-2);
  font-size:13px;color:var(--muted);line-height:1.7;
}

/* ══ FILE UPLOAD ══ */
.file-upload{
  margin-bottom:14px;padding:18px;
  border:2px dashed var(--line);background:#fff;
  text-align:center;cursor:pointer;transition:.2s;
}
.file-upload:hover{border-color:var(--accent);background:var(--bg-2);}
.file-upload input[type=file]{display:none;}
.file-upload .upload-icon{font-size:24px;margin-bottom:6px;}
.file-upload .upload-text{
  font-family:'Archivo',sans-serif;font-size:12px;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;color:var(--ink);
  margin-bottom:4px;
}
.file-upload .upload-hint{font-size:11px;color:var(--muted);}
.file-upload .upload-nda{
  font-size:11px;color:var(--accent);margin-top:10px;
  padding-top:10px;border-top:1px dashed var(--line);
  font-weight:600;letter-spacing:0.01em;line-height:1.5;
  max-width:380px;
}
.file-upload.has-file{border-color:var(--accent);border-style:solid;background:var(--bg-2);}
.file-upload.has-file .upload-text{color:var(--accent);}

/* ══ ADJUST FOR STICKY BAR ON MOBILE ══ */
@media(max-width:720px){
  .mobile-sticky-bar{display:flex;}
  .wa-float{display:none;}
  /* Hide the global drawer launcher on this page on mobile —
     the sticky bar already has WhatsApp + Quote with product context prefilled,
     and stacking 3 floating CTAs on a small screen is visual clutter. */
  .mqd-launcher{display:none;}
  /* 80px for the sticky bar + iPhone home-indicator safe area */
  body{padding-bottom:calc(80px + env(safe-area-inset-bottom));}
}

/* ══ RESPONSIVE ══ */
@media(max-width:1100px){
  .nav-links{display:none;}
  .product-detail{grid-template-columns:1fr;gap:48px;}
  .gallery{position:static;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .foot-top{grid-template-columns:1fr 1fr;}
    .options-grid{grid-template-columns:1fr 1fr;}
    .inquiry-inner{grid-template-columns:1fr;gap:40px;}
}
@media(max-width:720px){
  .container{padding:0 20px;}
  .nav-inner{padding:18px 20px;}
  .product-detail{gap:32px;padding:40px 0 80px;}
  .gallery-thumbs{grid-template-columns:repeat(4,1fr);gap:6px;}
  .detail-grid{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .trust-strip{grid-template-columns:1fr;}
  .trust-item{border-right:none !important;}
  .trust-item:nth-child(n+2){border-top:1px solid var(--line);}
  .foot-top{grid-template-columns:1fr;}
    .options-grid{grid-template-columns:1fr;}
    .inquiry-form .form-row{grid-template-columns:1fr;}
  .spec-row{grid-template-columns:120px 1fr;}
}

  /* ── Mobile hamburger menu ── */
  .nav-burger{
    display:none;
    background:none;border:none;cursor:pointer;
    padding:8px;width:40px;height:40px;
    flex-direction:column;gap:5px;justify-content:center;align-items:center;
    color:inherit;
  }
  .nav-burger span{
    display:block;height:2px;width:24px;background:currentColor;
    transition:transform .3s ease, opacity .3s ease;
  }
  .nav-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-burger.open span:nth-child(2){opacity:0;}
  .nav-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  @media(max-width:1100px){
    nav, nav#nav{
      background:rgba(250,250,248,.96) !important;
      backdrop-filter:blur(16px);
      border-bottom:1px solid var(--line);
      color:var(--ink) !important;
    }
    .nav-inner{grid-template-columns:auto 1fr auto;padding:18px 24px;gap:20px;}
    .nav-burger{display:flex;}
    .lang-btn{display:none;}
    .nav-links{
      display:flex !important;
      position:absolute;top:100%;left:0;right:0;
      background:var(--bg);
      border-top:1px solid var(--line);border-bottom:1px solid var(--line);
      flex-direction:column;gap:0;
      padding:0;margin:0;
      max-height:0;overflow:hidden;
      transition:max-height .35s ease;
    }
    .nav-links.open{max-height:520px;}
    .nav-links li{list-style:none;border-bottom:1px solid var(--line);}
    .nav-links li:last-child{border-bottom:none;}
    .nav-links a{
      display:block;padding:16px 24px;
      opacity:1 !important;color:var(--ink);
      font-size:14px;font-weight:500;
    }
  }


  /* Skip-to-content link for keyboard / screen reader users */
  .skip-link{
    position:absolute;
    top:-100px;
    left:8px;
    background:var(--ink);
    color:#fff;
    padding:12px 20px;
    text-decoration:none;
    font-size:14px;
    font-weight:600;
    border-radius:4px;
    z-index:9999;
    transition:top 0.2s;
  }
  .skip-link:focus{top:8px;outline:2px solid var(--accent);outline-offset:2px;}

/* Reveal-on-scroll animation */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease;}
.reveal.in{opacity:1;transform:none;}
.reveal.delay-1{transition-delay:.08s;}
.reveal.delay-2{transition-delay:.16s;}
.reveal.delay-3{transition-delay:.24s;}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none;}}

/* ═══ 全站按钮 shine sweep ═══ */
.btn-primary,.btn-secondary,.btn-dark,.cta-btn,.btn-light{
  position:relative; overflow:hidden; isolation:isolate;
  transition:background .4s ease, color .4s ease, transform .4s cubic-bezier(.25,.8,.25,1), border-color .4s ease;
}
.btn-primary::before,.btn-secondary::before,.btn-dark::before,.cta-btn::before,.btn-light::before{
  content:'';
  position:absolute;
  top:0; left:-100%;
  width:55%; height:100%;
  background:linear-gradient(100deg, transparent 0%, rgba(255,255,255,.28) 40%, rgba(255,255,255,.45) 50%, rgba(255,255,255,.28) 60%, transparent 100%);
  transform:skewX(-18deg);
  transition:left .7s cubic-bezier(.3,.7,.4,1);
  pointer-events:none;
  z-index:-1;
}
.btn-primary:hover::before,.btn-secondary:hover::before,
.btn-dark:hover::before,.cta-btn:hover::before,.btn-light:hover::before{left:160%;}
.btn-primary:hover,.btn-secondary:hover,.btn-dark:hover,.btn-light:hover{transform:translateY(-1px);}



/* ═══ PRODUCT DETAIL PAGE MOBILE FINE-TUNE ═══ */
@media(max-width:720px){
  .gallery{position:static !important;}
  .gallery-main{height:300px !important; min-height:auto !important;}
  .gallery-thumbs{grid-template-columns:repeat(4,1fr) !important; gap:8px !important;}
  .gallery-thumbs .thumb{height:64px !important;}
  
  .product-info{padding:0 !important;}
  .product-info h1{font-size:28px !important;}
  .desc{font-size:14px !important;}
  
  .options-grid{grid-template-columns:1fr !important; gap:14px !important;}
  .related-grid{grid-template-columns:1fr 1fr !important; gap:14px !important;}
}


/* ═══════════════════════════════════════════════════════════════
   MOBILE SAFETY NET — declared last to override any earlier rules.
═══════════════════════════════════════════════════════════════ */
@media(max-width:1100px){
  /* Section headings */
  .sec-head{grid-template-columns:1fr !important; gap:28px !important; margin-bottom:48px !important;}
  .sec-head h2{font-size:clamp(36px, 7vw, 56px) !important;}
  .sec-head p{max-width:100% !important;}
  
  /* Common grids → 2 col */
  .caps-grid, .service-grid, .faq-grid, .trust-grid, .cases-grid, 
  .cert-band-grid, .cs-aggregate-inner, .qff-grid,
  .product-grid, .related-grid, .team-grid, .factory-grid, .fn-grid{
    grid-template-columns:1fr 1fr !important;
  }
  /* Common grids → 1 col */
  .cats-grid, .craft-grid, .fac-grid, .proc-grid, .detail-grid, .cs-grid,
  .svc-visual-row, .how-grid, .options-grid, .ins-grid, .rp-grid{
    grid-template-columns:1fr !important;
  }
  /* Cat card resets */
  .cat-1,.cat-2,.cat-3,.cat-4,.cat-5,.cat-6{grid-column:span 1 !important;}
  .craft-1,.craft-2,.craft-3,.craft-4,.craft-5,.craft-6{grid-column:span 1 !important;}
  
  /* Contact / hero */
  .contact-inner{grid-template-columns:1fr !important; gap:40px !important;}
  
  /* Footer */
  .foot-top{grid-template-columns:1fr 1fr !important;}
  
  /* Container */
  .nav-inner, .container{padding-left:24px !important; padding-right:24px !important;}
  /* nav-links: mobile menu uses max-height toggle, not display:none */
  
  /* Page hero headlines */
  .page-hero h1, .hero h1{font-size:clamp(36px, 9vw, 64px) !important;}
  .page-hero .hero-lead, .page-hero p.sub{max-width:100% !important;}
}

@media(max-width:720px){
  /* ═══ GLOBAL ═══ */
  section{padding:64px 0 !important;}
  .container{padding-left:18px !important; padding-right:18px !important;}
  .sec-head{margin-bottom:28px !important; gap:14px !important;}
  .sec-head h2{font-size:32px !important; line-height:1.05 !important;}
  .sec-head p{font-size:14px !important; line-height:1.6 !important;}
  .label, .label-light{font-size:10px !important;}
  
  /* ═══ PAGE HERO ═══ */
  .page-hero{padding:100px 0 64px !important; min-height:auto !important;}
  .page-hero h1{font-size:clamp(34px, 10vw, 48px) !important; line-height:1.0 !important;}
  .page-hero p.sub{font-size:14px !important; line-height:1.55 !important;}
  .page-hero .breadcrumb{font-size:10px !important;}
  
  /* ═══ GRIDS — full-size cards → 1 col ═══ */
  .caps-grid, .service-grid, .cases-grid, .trust-grid, .cs-grid,
  .svc-visual-row, .how-grid, .ins-grid, .rp-grid{
    grid-template-columns:1fr !important;
  }
  /* Small tiles stay 2x2 */
  .faq-grid, .cert-band-grid, .team-grid, .factory-grid, .fn-grid,
  .foot-top, .cs-aggregate-inner, .qff-grid,
  .product-grid, .related-grid{
    grid-template-columns:1fr 1fr !important;
  }
  
  /* ═══ CARDS — shorter ═══ */
  .cap-cell, .caps-card{min-height:auto !important; padding:24px 22px !important;}
  .cap-cell h3, .caps-card h3{font-size:22px !important;}
  .cap-cell p, .caps-card p{font-size:14px !important;}
  .craft-cell{min-height:auto !important;}
  .craft-info h4{font-size:20px !important;}
  .fac-card h3{font-size:20px !important;}
  .proc-step{
    min-height:auto !important;
    padding:28px 22px 32px !important;
    border-right:none !important; border-bottom:1px solid #292929 !important;
  }
  .proc-step h4{font-size:19px !important;}
  .proc-step p{font-size:14px !important;}
  
  /* ═══ CS-CARD (case-studies page) ═══ */
  .cs-card .cs-body{padding:24px 20px 20px !important;}
  .cs-card h2{font-size:20px !important;}
  .cs-card p{font-size:14px !important;}
  
  /* ═══ FAQ ═══ */
  .faq-item{padding:22px 20px !important;}
  .faq-item h4{font-size:18px !important;}
  .faq-item p{font-size:14px !important;}
  
  /* ═══ CTA BRIDGE ═══ */
  .cta-bridge{padding:60px 0 !important;}
  .cta-bridge-inner{grid-template-columns:1fr !important; gap:32px !important;}
  .cta-bridge h2{font-size:28px !important;}
  .cta-bridge-lead{font-size:14px !important;}
  
  /* ═══ FLOATING BUTTONS — slimmer ═══ */
  .mqd-launcher{
    padding:10px 14px !important; font-size:11px !important;
    letter-spacing:0.08em !important; gap:6px !important;
    box-shadow:0 2px 12px rgba(0,0,0,0.18) !important;
  }
  .mqd-launcher svg{width:14px !important; height:14px !important;}
  .mqd-launcher .mqd-label-long{display:none !important;}
  .mqd-launcher .mqd-pulse{width:5px !important; height:5px !important;}
  .wa-float{width:48px !important; height:48px !important;}
  .wa-float svg{width:20px !important; height:20px !important;}
  
  /* ═══ FOOTER — compact ═══ */
  .foot-top{gap:28px 20px !important; padding-bottom:36px !important;}
  .foot-top > div:first-child{grid-column:1 / -1;}
  .foot-top h5{font-size:10px !important; margin-bottom:12px !important;}
  .foot-top a, .foot-top li{font-size:12px !important;}
  .foot-desc{font-size:13px !important;}
  .foot-addr{font-size:12px !important;}
  .foot-bot{flex-direction:column !important; gap:8px !important; font-size:10px !important;}
  
  /* ═══ FORMS — mobile friendly ═══ */
  .form-row{grid-template-columns:1fr !important;}
  .contact-form{padding:0 !important;}
}


/* ═══ UNIVERSAL CARD HOVER (subtle lift + accent glow) ═══ */
.how-cell, .svc-card, .team-card, .factory-card, .facility-card,
.proc-step, .cert-band-card, .faq-item, .svc-visual-card,
.ins-card, .qff-card {
  transition: transform .45s cubic-bezier(.25,.8,.25,1),
              box-shadow .45s cubic-bezier(.25,.8,.25,1),
              border-color .35s ease !important;
}
.how-cell:hover, .svc-card:hover, .team-card:hover, 
.factory-card:hover, .cert-band-card:hover,
.ins-card:hover, .qff-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 36px -12px rgba(0,0,0,.08),
              0 4px 8px -4px rgba(200,55,42,.06);
}
/* Cards with top accent border: hover intensifies it */
.how-cell:hover, .svc-card:hover {
  border-top-color: var(--accent) !important;
  box-shadow: 0 14px 36px -12px rgba(0,0,0,.1),
              0 -2px 0 0 var(--accent);
}
/* Number turns accent color on hover */
.how-cell:hover .how-num,
.svc-card:hover .svc-num {
  color: var(--accent);
  transform: translateX(4px);
  transition: transform .35s ease, color .35s ease;
}
/* Process steps: subtle left-border accent on hover */
.proc-step:hover {
  background: rgba(200,55,42,.02);
}
.proc-step:hover .time {
  color: var(--accent) !important;
}
/* FAQ items already have hover, just enhance shadow */
.faq-item:hover {
  box-shadow: 0 8px 24px -8px rgba(0,0,0,.06);
}

/* ═══ IMAGE LIGHTBOX (click main image to zoom) ═══ */
.lightbox-overlay{
  position:fixed; inset:0; z-index:9999;
  background:rgba(10,10,10,.92);
  backdrop-filter:blur(8px);
  display:none; align-items:center; justify-content:center;
  cursor:zoom-out;
  opacity:0; transition:opacity .35s ease;
}
.lightbox-overlay.is-open{display:flex; opacity:1;}
.lightbox-overlay img{
  max-width:92vw; max-height:90vh;
  object-fit:contain;
  border-radius:2px;
  box-shadow:0 20px 60px rgba(0,0,0,.5);
  transform:scale(0.92); transition:transform .4s cubic-bezier(.25,.8,.25,1);
}
.lightbox-overlay.is-open img{transform:scale(1);}
.lightbox-close{
  position:absolute; top:24px; right:28px;
  width:44px; height:44px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);
  border-radius:50%; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:20px; font-weight:300;
  transition:background .3s ease;
}
.lightbox-close:hover{background:rgba(200,55,42,.5);}
.gallery-main{cursor:zoom-in;}