/* ============================================================
   GUANGDA BAGS — Front-end template set for EmpireCMS 8.0
   Design tokens: canvas / leather manufacturing palette
   Fonts: system-only (no external font loading, per spec)
   Signature motif: dashed "stitch line" — echoes bag stitching
   ============================================================ */

:root{
  /* --- color tokens --- */
  --ink:        #1C1E22;   /* primary text, near-black charcoal */
  --ink-soft:   #4B4E54;   /* secondary text */
  --paper:      #F6F3EC;   /* warm canvas-paper background */
  --canvas:     #EDE6D3;   /* fabric-toned card surface */
  --canvas-dk:  #E3DAC0;   /* darker fabric surface (hover) */
  --line:       #CBBE9C;   /* stitch-line color */
  --brass:      #C9A35A;   /* brand accent — hardware/brass */
  --brass-dk:   #A9813E;   /* brass hover */
  --olive:      #565A3D;   /* deep olive — secondary accent */
  --rust:       #8C4A34;   /* leather rust — sparing use (alerts/tags) */
  --white:      #FFFFFF;
  --panel-dark: #23241F;   /* footer / dark panel */
  --panel-dark-text: #D9D4C4;

  /* --- type --- */
  --font-display: Georgia, "Times New Roman", "Noto Serif", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* --- layout --- */
  --maxw: 1180px;
  --gap: 24px;
  --radius: 2px; /* deliberately near-square: canvas/leather goods are cut, not rounded */
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.2;margin:0 0 .5em;color:var(--ink);}
h1{font-size:clamp(2rem,4vw,3.1rem);}
h2{font-size:clamp(1.5rem,2.6vw,2.15rem);}
h3{font-size:1.25rem;}
p{margin:0 0 1em;max-width:70ch;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}

/* visible keyboard focus */
a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:3px solid var(--brass-dk);
  outline-offset:2px;
}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;}
.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:999;}
.skip-link:focus{left:12px;top:12px;}

/* stitch-line: the signature structural device, used instead of plain hairlines */
.stitch{
  border:none;
  border-top:2px dashed var(--line);
  margin:0;
}
.stitch-box{border:2px dashed var(--line);}
.stitch-top{border-top:2px dashed var(--line);}
.stitch-bottom{border-bottom:2px dashed var(--line);}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  border-bottom:2px dashed var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding:16px 24px;max-width:var(--maxw);margin:0 auto;
}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-size:1.35rem;font-weight:700;letter-spacing:.02em;}
.brand svg{flex:none;}
.brand small{display:block;font-family:var(--font-body);font-size:.62rem;font-weight:400;color:var(--ink-soft);letter-spacing:.06em;}

.main-nav{display:flex;align-items:center;gap:2px;}
.main-nav a{
  padding:10px 14px;font-size:.95rem;font-weight:600;color:var(--ink-soft);
  border-bottom:2px solid transparent;transition:color .15s,border-color .15s;
}
.main-nav a:hover,.main-nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--brass);}

.header-tools{display:flex;align-items:center;gap:14px;}

/* language switcher */
.lang-switch{position:relative;}
.lang-btn{
  display:flex;align-items:center;gap:6px;
  background:var(--canvas);border:2px dashed var(--line);
  padding:8px 12px;font-size:.85rem;font-weight:600;color:var(--ink);
}
.lang-btn:hover{background:var(--canvas-dk);}
.lang-menu{
  position:absolute;right:0;top:calc(100% + 8px);
  background:var(--white);border:2px dashed var(--line);
  min-width:190px;max-height:340px;overflow-y:auto;
  box-shadow:0 8px 20px rgba(0,0,0,.12);
  display:none;z-index:80;
}
.lang-menu.open{display:block;}
.lang-menu button{
  display:block;width:100%;text-align:left;background:none;border:none;
  padding:10px 14px;font-size:.9rem;color:var(--ink);
}
.lang-menu button:hover{background:var(--canvas);}
.lang-menu button[aria-selected="true"]{color:var(--brass-dk);font-weight:700;}

.nav-toggle{display:none;background:none;border:2px dashed var(--line);padding:8px 10px;}

/* ============ HERO ============ */
.hero{
  padding:64px 0 56px;
  background:linear-gradient(180deg,var(--canvas) 0%,var(--paper) 100%);
  border-bottom:2px dashed var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.hero-eyebrow{font-size:.85rem;color:var(--olive);font-weight:700;margin-bottom:14px;}
.hero h1{margin-bottom:18px;}
.hero p.lead{font-size:1.1rem;color:var(--ink-soft);}
.hero-ctas{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap;}

.btn{
  display:inline-block;padding:13px 26px;font-weight:700;font-size:.95rem;
  border:2px solid var(--ink);background:var(--ink);color:var(--white);
  transition:background .15s,color .15s,border-color .15s;
}
.btn:hover{background:var(--brass-dk);border-color:var(--brass-dk);}
.btn-outline{background:transparent;color:var(--ink);border:2px dashed var(--ink);}
.btn-outline:hover{background:var(--ink);color:var(--white);border-style:solid;}
.btn-gold{background:var(--brass);border-color:var(--brass);color:var(--ink);}
.btn-gold:hover{background:var(--brass-dk);border-color:var(--brass-dk);color:var(--white);}

.hero-stat-panel{
  border:2px dashed var(--line);background:var(--white);padding:28px;
}
.hero-stat-panel dl{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:0;}
.hero-stat-panel dt{font-family:var(--font-display);font-size:1.9rem;color:var(--brass-dk);}
.hero-stat-panel dd{margin:4px 0 0;font-size:.82rem;color:var(--ink-soft);}

/* ============ SECTIONS ============ */
section{padding:56px 0;}
.section-head{max-width:640px;margin-bottom:34px;}
.section-head .kicker{font-size:.82rem;font-weight:700;color:var(--olive);margin-bottom:8px;}
.section-alt{background:var(--canvas);border-top:2px dashed var(--line);border-bottom:2px dashed var(--line);}

/* process steps (legitimate sequence: production workflow) */
.process-list{display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:step;}
.process-item{position:relative;padding:20px 16px 0;border-top:3px solid var(--line);}
.process-item::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-family:var(--font-display);font-size:1.3rem;color:var(--brass-dk);
}
.process-item h3{font-size:1rem;margin:10px 0 6px;}
.process-item p{font-size:.88rem;color:var(--ink-soft);margin:0;}

/* card grids */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);}
.card{background:var(--white);border:2px dashed var(--line);padding:22px;}
.card h3{margin-bottom:8px;}
.card p{font-size:.92rem;color:var(--ink-soft);margin-bottom:0;}

/* product cards */
.product-card{background:var(--white);border:2px dashed var(--line);overflow:hidden;display:flex;flex-direction:column;}
.product-media{aspect-ratio:1/1;width:100%;background:var(--canvas);overflow:hidden;}
.product-media img{width:100%;height:100%;object-fit:contain;}
.product-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:6px;flex:1;}
.product-body .tag{font-size:.72rem;letter-spacing:.02em;color:var(--olive);font-weight:700;}
.product-body h3{font-size:1.02rem;margin:0;}
.product-body p{font-size:.85rem;color:var(--ink-soft);margin:0;}
.product-body .moq{font-size:.78rem;color:var(--brass-dk);font-weight:700;margin-top:auto;}
.product-card a.card-link{display:block;}

/* filter bar (products list) */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.filter-bar button{
  background:var(--white);border:2px dashed var(--line);padding:8px 16px;font-size:.85rem;font-weight:600;
}
.filter-bar button[aria-pressed="true"]{background:var(--ink);color:var(--white);border-color:var(--ink);}

/* knowledge / news list */
.post-row{display:grid;grid-template-columns:220px 1fr;gap:24px;padding:24px 0;border-bottom:2px dashed var(--line);}
.post-row .post-media{aspect-ratio:4/3;overflow:hidden;background:var(--canvas);}
.post-row .post-media img{width:100%;height:100%;object-fit:cover;}
.post-row time{font-size:.78rem;color:var(--ink-soft);}
.post-row h3{margin:6px 0 8px;}
.post-row p{font-size:.9rem;color:var(--ink-soft);}

/* pagination — first / prev / numbers / next / last */
.pager{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:36px;justify-content:center;}
.pager a,.pager span{
  min-width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border:2px dashed var(--line);font-size:.85rem;font-weight:600;padding:0 10px;background:var(--white);
}
.pager a:hover{background:var(--canvas);border-color:var(--brass);color:var(--brass-dk);}
.pager .current{background:var(--ink);color:var(--white);border-color:var(--ink);}
.pager .disabled{color:#B9B2A0;pointer-events:none;}

/* prev/next article nav (detail pages) */
.detail-nav{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);margin-top:40px;}
.detail-nav a{border:2px dashed var(--line);padding:18px 20px;background:var(--white);display:block;}
.detail-nav .dir{font-size:.72rem;font-weight:700;color:var(--olive);margin-bottom:4px;}
.detail-nav .title{font-size:.95rem;color:var(--ink);}
.detail-nav .next-item{text-align:right;}

/* FAQ accordion */
.faq-item{border-bottom:2px dashed var(--line);}
.faq-q{
  width:100%;text-align:left;background:none;border:none;padding:20px 4px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-family:var(--font-display);font-size:1.05rem;font-weight:700;color:var(--ink);
}
.faq-q .icon{flex:none;transition:transform .2s;}
.faq-q[aria-expanded="true"] .icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-a p{padding:0 4px 20px;color:var(--ink-soft);}

/* contact / message form */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;}
.form-field{margin-bottom:18px;}
.form-field label{display:block;font-size:.85rem;font-weight:700;margin-bottom:6px;}
.form-field input,.form-field select,.form-field textarea{
  width:100%;padding:12px 14px;border:2px solid var(--line);background:var(--white);
  font-family:inherit;font-size:.95rem;color:var(--ink);
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--brass-dk);}
.form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.contact-channels{list-style:none;padding:0;margin:0 0 24px;}
.contact-channels li{display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-bottom:2px dashed var(--line);}
.contact-channels svg{flex:none;margin-top:2px;}
.contact-channels .label{font-weight:700;font-size:.9rem;}
.contact-channels .value{font-size:.88rem;color:var(--ink-soft);}

/* breadcrumb */
.breadcrumb{font-size:.82rem;color:var(--ink-soft);margin-bottom:22px;}
.breadcrumb a{color:var(--olive);font-weight:600;}
.breadcrumb .sep{margin:0 6px;color:var(--line);}

/* product detail layout */
.pd-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;}
.pd-gallery-main{aspect-ratio:1/1;background:var(--canvas);border:2px dashed var(--line);overflow:hidden;margin-bottom:12px;}
.pd-gallery-main img{width:100%;height:100%;object-fit:contain;}
.pd-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;}
.pd-thumbs button{padding:0;border:2px dashed var(--line);background:var(--canvas);aspect-ratio:1/1;overflow:hidden;}
.pd-thumbs img{width:100%;height:100%;object-fit:contain;}
.pd-title-row{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:10px;}
.pd-specs{width:100%;border-collapse:collapse;margin:22px 0;}
.pd-specs th,.pd-specs td{text-align:left;padding:10px 12px;border-bottom:2px dashed var(--line);font-size:.9rem;}
.pd-specs th{width:38%;color:var(--ink-soft);font-weight:600;}
.pd-cta-row{display:flex;gap:14px;margin-top:24px;flex-wrap:wrap;}
.pd-body-content img{max-width:100% !important;height:auto !important;}

/* article detail */
.article-head{max-width:760px;margin:0 auto 30px;text-align:left;}
.article-meta{display:flex;gap:16px;font-size:.82rem;color:var(--ink-soft);margin-bottom:14px;}
.article-body{max-width:760px;margin:0 auto;}
.article-body img{max-width:100% !important;height:auto !important;margin:18px 0;}
.article-body p{max-width:none;}
.article-body h2{margin-top:1.6em;}

/* footer */
.site-footer{background:var(--panel-dark);color:var(--panel-dark-text);padding:56px 0 24px;margin-top:40px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.site-footer h4{color:var(--white);font-family:var(--font-body);font-size:.85rem;letter-spacing:.03em;margin-bottom:14px;}
.site-footer a{color:var(--panel-dark-text);font-size:.88rem;}
.site-footer a:hover{color:var(--brass);}
.footer-list li{margin-bottom:10px;}
.footer-bottom{border-top:2px dashed #45473C;margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.78rem;color:#9B9788;}

/* floating chat launcher — vertically centered on viewport edge */
.floating-chat{
  position:fixed;right:18px;top:50%;transform:translateY(-50%);
  z-index:70;display:flex;flex-direction:column;gap:10px;
}
.floating-chat a{
  width:52px;height:52px;display:flex;align-items:center;justify-content:center;
  background:var(--ink);border:2px dashed var(--brass);color:var(--white);
  box-shadow:0 6px 16px rgba(0,0,0,.22);
}
.floating-chat a:hover{background:var(--brass-dk);}

/* utility */
.center{text-align:center;}
.mt-0{margin-top:0;}
.small{font-size:.85rem;color:var(--ink-soft);}

/* ============ RESPONSIVE ============ */
@media (max-width:960px){
  .hero-grid,.pd-grid,.contact-grid{grid-template-columns:1fr;}
  .process-list{grid-template-columns:repeat(2,1fr);gap:24px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .post-row{grid-template-columns:1fr;}
}
@media (max-width:720px){
  .main-nav{
    position:fixed;inset:0 0 0 auto;width:78%;max-width:320px;
    background:var(--paper);flex-direction:column;align-items:stretch;
    padding:90px 24px 24px;transform:translateX(100%);transition:transform .2s ease;
    border-left:2px dashed var(--line);overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav a{padding:14px 4px;border-bottom:2px dashed var(--line);}
  .nav-toggle{display:block;}
  .grid-3,.grid-2,.process-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .form-row-2{grid-template-columns:1fr;}
  .detail-nav{grid-template-columns:1fr;}
  .floating-chat{right:10px;}
  .floating-chat a{width:46px;height:46px;}
}

/* ============ RTL (Arabic) ============ */
html[dir="rtl"] .main-nav a{border-bottom-color:transparent;}
html[dir="rtl"] .process-item{border-top-color:var(--line);}
html[dir="rtl"] .lang-menu{right:auto;left:0;}
html[dir="rtl"] .lang-menu button{text-align:right;}
html[dir="rtl"] .floating-chat{right:auto;left:18px;}
html[dir="rtl"] .post-row{grid-template-columns:220px 1fr;}
html[dir="rtl"] .breadcrumb .sep{transform:scaleX(-1);display:inline-block;}
html[dir="rtl"] .detail-nav .next-item{text-align:left;}