/* =========================================================
   Chen Yao Leather Goods — Custom Handbag OEM/ODM Factory
   Design tokens: ink navy + saddle-leather tan + brass
   Signature motif: dashed "stitch line" dividers
   ========================================================= */

:root{
  --ink:        #171F2B;   /* deep navy — headings, footer */
  --ink-soft:   #2A3546;
  --paper:      #FAF7F1;   /* warm off-white background */
  --paper-dim:  #F1ECE1;
  --leather:    #A9622F;   /* saddle-tan accent, pulled from the product photos */
  --leather-dk: #7E4620;
  --brass:      #B98F3F;   /* muted brass — small premium accents */
  --text:       #262622;
  --text-soft:  #5B5A52;
  --line:       #DED5C4;
  --white:      #FFFFFF;
  --ok:         #3E6B4F;

  --font-display: "Fraunces", Georgia, "Noto Serif SC", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Noto Sans SC", "Noto Sans TC", "Noto Sans JP", "Noto Sans KR", sans-serif;

  --radius: 3px;
  --shadow: 0 10px 30px -14px rgba(23,31,43,.28);
  --shadow-lg: 0 24px 60px -20px rgba(23,31,43,.35);
  --maxw: 1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--ink);line-height:1.15;margin:0 0 .5em;font-weight:600}
p{margin:0 0 1em}
:focus-visible{outline:2px solid var(--leather);outline-offset:3px}
.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}

/* ---------- signature stitch-line divider ---------- */
.stitch{
  height:14px;
  width:100%;
  background-image:repeating-linear-gradient(90deg, var(--leather) 0 10px, transparent 10px 20px);
  background-position:center;
  background-repeat:no-repeat;
  background-size:auto 2px;
  opacity:.55;
}
.stitch--tight{margin:0 auto;max-width:64px;height:2px}

/* ---------- eyebrow / labels ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-body);
  font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--leather-dk);font-weight:700;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--leather)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;font-family:var(--font-body);font-weight:600;font-size:15px;
  border-radius:var(--radius);border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--leather);color:var(--white);box-shadow:var(--shadow)}
.btn-primary:hover{background:var(--leather-dk);transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-outline{background:transparent;border-color:rgba(255,255,255,.5);color:inherit}
.btn-outline:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:var(--white)}
.btn-dark:hover{background:var(--ink-soft);transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-block{width:100%}
.btn svg{width:18px;height:18px;flex:none}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(250,247,241,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.topbar{
  background:var(--ink);color:#E9E3D6;font-size:12.5px;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;padding-top:8px;padding-bottom:8px;gap:16px;flex-wrap:wrap}
.topbar-contacts{display:flex;gap:18px;flex-wrap:wrap}
.topbar-contacts a{display:inline-flex;align-items:center;gap:6px;opacity:.92;transition:opacity .15s}
.topbar-contacts a:hover{opacity:1;color:var(--brass)}
.topbar-contacts svg{width:14px;height:14px}
.navbar{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:38px;height:38px;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-family:var(--font-display);font-size:18px;color:var(--ink)}
.brand-text span{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-soft)}
.nav-main{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
.nav-main > li{position:relative}
.nav-main > li > a{display:flex;align-items:center;gap:4px;padding:10px 12px;font-size:14.5px;font-weight:600;color:var(--ink-soft);border-radius:var(--radius);transition:color .15s,background .15s}
.nav-main > li > a:hover,.nav-main > li > a[aria-current="page"]{color:var(--leather-dk);background:var(--paper-dim)}
.nav-main svg.chev{width:12px;height:12px;transition:transform .15s}
.has-dropdown:hover .chev, .has-dropdown:focus-within .chev{transform:rotate(180deg)}
.dropdown{
  position:absolute;top:100%;left:0;min-width:300px;background:var(--white);
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);
  padding:10px;opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .16s ease, transform .16s ease, visibility .16s;
  max-height:70vh;overflow:auto;
}
.has-dropdown:hover .dropdown,.has-dropdown:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:9px 12px;border-radius:var(--radius);font-size:14px;color:var(--text)}
.dropdown a:hover{background:var(--paper-dim);color:var(--leather-dk)}
.nav-tools{display:flex;align-items:center;gap:10px;flex:none}
.lang-switch{position:relative}
.lang-btn{display:flex;align-items:center;gap:6px;padding:9px 12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white);font-size:13.5px;font-weight:600;cursor:pointer}
.lang-btn:hover{border-color:var(--leather)}
.lang-btn svg{width:14px;height:14px}
.lang-menu{
  position:absolute;top:calc(100% + 8px);right:0;background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-lg);min-width:170px;padding:6px;
  display:none;z-index:50;
}
.lang-menu.open{display:block}
.lang-menu button{display:flex;width:100%;text-align:left;padding:9px 10px;font-size:13.5px;border-radius:var(--radius);background:none;border:none;cursor:pointer;color:var(--text);font-family:var(--font-body)}
.lang-menu button:hover{background:var(--paper-dim)}
.lang-menu button[aria-pressed="true"]{color:var(--leather-dk);font-weight:700}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:var(--radius);padding:8px;cursor:pointer}
.nav-toggle svg{width:22px;height:22px}

/* ---------- mobile nav ---------- */
@media (max-width: 980px){
  .nav-main{
    position:fixed;inset:0 0 0 auto;width:min(86vw,360px);height:100vh;
    background:var(--white);flex-direction:column;align-items:stretch;justify-content:flex-start;
    padding:88px 18px 24px;gap:0;box-shadow:var(--shadow-lg);
    transform:translateX(100%);transition:transform .25s ease;overflow-y:auto;z-index:99;
  }
  .nav-main.open{transform:translateX(0)}
  .nav-main > li{width:100%}
  .nav-main > li > a{justify-content:space-between;padding:14px 10px;border-bottom:1px solid var(--line)}
  .dropdown{position:static;box-shadow:none;border:none;opacity:1;visibility:visible;transform:none;display:none;padding:0 0 6px 10px;max-height:none}
  .has-dropdown.open .dropdown{display:block}
  .nav-toggle{display:inline-flex}
  .topbar-contacts a span.contact-full{display:none}
}
.nav-scrim{position:fixed;inset:0;background:rgba(23,31,43,.45);opacity:0;visibility:hidden;transition:opacity .2s;z-index:98}
.nav-scrim.open{opacity:1;visibility:visible}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink);color:var(--white);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:76px 0 64px}
.hero-copy .eyebrow{color:var(--brass)}
.hero-copy .eyebrow::before{background:var(--brass)}
.hero h1{color:var(--white);font-size:clamp(32px,4.2vw,54px);letter-spacing:-.01em}
.hero h1 em{color:var(--brass);font-style:normal}
.hero-sub{font-size:17.5px;color:#D7D1C2;max-width:56ch}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 28px}
.hero-badges li{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);padding:9px 14px;border-radius:20px;font-size:13.5px;font-weight:600}
.hero-badges svg{width:16px;height:16px;color:var(--brass)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-media{position:relative;border-radius:6px;overflow:hidden;box-shadow:var(--shadow-lg)}
.hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:6/5}
.hero-media-tag{position:absolute;left:18px;bottom:18px;background:rgba(23,31,43,.82);color:#fff;padding:10px 14px;border-radius:4px;font-size:13px;display:flex;gap:8px;align-items:center;backdrop-filter:blur(4px)}
.hero-media-tag svg{width:15px;height:15px;color:var(--brass)}
@media (max-width: 900px){
  .hero-grid{grid-template-columns:1fr;padding:48px 0 40px}
}

/* ---------- sections ---------- */
section{padding:76px 0}
.section-head{max-width:720px;margin:0 auto 44px;text-align:center}
.section-head.left{margin-left:0;text-align:left}
.section-head h2{font-size:clamp(26px,3.2vw,38px)}
.section-head p{color:var(--text-soft);font-size:16.5px}
.bg-ink{background:var(--ink);color:#E9E3D6}
.bg-ink h2,.bg-ink h3{color:#fff}
.bg-ink .section-head p{color:#B9B3A3}
.bg-dim{background:var(--paper-dim)}

/* ---------- trust strip ---------- */
.trust-strip{background:var(--white);border-bottom:1px solid var(--line);padding:22px 0}
.trust-row{display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between;align-items:center}
.trust-item{display:flex;align-items:center;gap:10px;font-size:13.5px;font-weight:600;color:var(--text-soft)}
.trust-item svg{width:20px;height:20px;color:var(--leather)}

/* ---------- advantages / feature grid ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
@media (max-width:980px){.grid-3{grid-template-columns:1fr 1fr}.grid-4{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.grid-3,.grid-4,.grid-2{grid-template-columns:1fr}}

.adv-card{background:var(--white);border:1px solid var(--line);border-radius:6px;padding:30px 26px;transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease}
.adv-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.adv-icon{width:46px;height:46px;border-radius:8px;background:var(--paper-dim);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.adv-icon svg{width:24px;height:24px;color:var(--leather)}
.adv-card h3{font-size:19px;margin-bottom:8px}
.adv-card p{color:var(--text-soft);font-size:15px;margin:0}

/* ---------- process timeline (real sequence, hence numbered) ---------- */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
.timeline::before{content:"";position:absolute;top:23px;left:6%;right:6%;height:2px;background-image:repeating-linear-gradient(90deg,var(--brass) 0 8px, transparent 8px 16px)}
.tl-step{position:relative;text-align:center;padding:0 10px}
.tl-num{width:46px;height:46px;border-radius:50%;background:var(--ink);color:var(--brass);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-size:18px;margin:0 auto 16px;position:relative;z-index:2;border:3px solid var(--paper)}
.tl-step h3{font-size:16px;margin-bottom:6px}
.tl-step p{font-size:13.5px;color:var(--text-soft)}
@media (max-width:900px){
  .timeline{grid-template-columns:1fr;gap:28px}
  .timeline::before{display:none}
  .tl-step{text-align:left;display:flex;gap:16px;align-items:flex-start}
  .tl-num{margin:0;flex:none}
}

/* ---------- products ---------- */
.prod-card{background:var(--white);border:1px solid var(--line);border-radius:6px;overflow:hidden;transition:transform .2s, box-shadow .2s}
.prod-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.prod-media{aspect-ratio:4/3;overflow:hidden;background:var(--paper-dim)}
.prod-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.prod-card:hover .prod-media img{transform:scale(1.05)}
.prod-body{padding:20px 22px 22px}
.prod-body h3{font-size:17.5px;margin-bottom:6px}
.prod-body p{font-size:14px;color:var(--text-soft);margin-bottom:14px}
.prod-tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{font-size:11.5px;font-weight:700;letter-spacing:.03em;background:var(--paper-dim);color:var(--leather-dk);padding:5px 9px;border-radius:20px}

/* ---------- testimonials ---------- */
.quote-card{background:var(--white);border:1px solid var(--line);border-radius:6px;padding:28px;position:relative}
.quote-card svg.qmark{width:30px;height:30px;color:var(--leather);opacity:.35;margin-bottom:10px}
.quote-card p{font-size:15.5px;color:var(--text);font-style:italic}
.quote-person{display:flex;align-items:center;gap:12px;margin-top:18px}
.quote-avatar{width:42px;height:42px;border-radius:50%;background:var(--ink);color:var(--brass);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:600}
.quote-person strong{display:block;font-size:14px}
.quote-person span{font-size:12.5px;color:var(--text-soft)}
.stars{display:flex;gap:2px;margin-bottom:10px}
.stars svg{width:15px;height:15px;color:var(--brass)}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat-num{font-family:var(--font-display);font-size:clamp(28px,3.6vw,42px);color:var(--brass)}
.stat-label{font-size:13px;color:#B9B3A3;letter-spacing:.03em}
@media (max-width:700px){.stats{grid-template-columns:1fr 1fr}}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,var(--leather-dk),var(--leather));color:#fff;border-radius:8px;padding:48px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:6px}
.cta-band p{color:#F6E9D9;margin:0}
@media (max-width:700px){.cta-band{padding:32px 24px}}

/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 4px;background:none;border:none;text-align:left;font-family:var(--font-body);font-size:16px;font-weight:600;color:var(--ink);cursor:pointer}
.faq-q svg{width:18px;height:18px;flex:none;transition:transform .2s;color:var(--leather)}
.faq-item[open] .faq-q svg{transform:rotate(45deg)}
.faq-a{padding:0 4px 20px;color:var(--text-soft);font-size:15px;max-width:75ch}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary{list-style:none}

/* ---------- contact / forms ---------- */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
@media (max-width:900px){.contact-wrap{grid-template-columns:1fr}}
.contact-methods{display:grid;gap:14px}
.contact-method{display:flex;gap:14px;align-items:flex-start;background:var(--white);border:1px solid var(--line);border-radius:6px;padding:18px 20px;transition:border-color .15s, transform .15s}
.contact-method:hover{border-color:var(--leather);transform:translateY(-2px)}
.contact-method .ic{width:40px;height:40px;border-radius:8px;background:var(--paper-dim);display:flex;align-items:center;justify-content:center;flex:none}
.contact-method .ic svg{width:20px;height:20px;color:var(--leather)}
.contact-method strong{display:block;font-size:14.5px}
.contact-method span,.contact-method a.val{font-size:14px;color:var(--text-soft)}
.form-card{background:var(--white);border:1px solid var(--line);border-radius:8px;padding:30px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:520px){.form-row{grid-template-columns:1fr}}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:6px;color:var(--ink-soft)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 13px;border:1.5px solid var(--line);border-radius:var(--radius);
  font-family:var(--font-body);font-size:14.5px;background:var(--paper);color:var(--text);transition:border-color .15s;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--leather);outline:none}
.field textarea{resize:vertical;min-height:110px}
.form-note{font-size:12.5px;color:var(--text-soft);margin-top:10px}
.form-success{display:none;background:#EAF3EC;border:1px solid var(--ok);color:#25462F;padding:14px 16px;border-radius:6px;font-size:14px;margin-bottom:16px}
.form-success.show{display:block}

/* ---------- breadcrumbs ---------- */
.breadcrumbs{padding:16px 0;font-size:13px;color:var(--text-soft);background:var(--paper-dim)}
.breadcrumbs a{color:var(--leather-dk);font-weight:600}
.breadcrumbs a:hover{text-decoration:underline}
.breadcrumbs .sep{margin:0 6px;opacity:.5}

/* ---------- page hero (inner pages) ---------- */
.page-hero{background:var(--ink);color:#fff;padding:56px 0 40px}
.page-hero .eyebrow{color:var(--brass)}
.page-hero .eyebrow::before{background:var(--brass)}
.page-hero h1{color:#fff;font-size:clamp(28px,3.6vw,42px);max-width:24ch}
.page-hero p{color:#D7D1C2;max-width:70ch;font-size:16.5px}

/* ---------- keyword content blocks ---------- */
.kw-block{max-width:820px}
.kw-block h2{font-size:24px;margin-top:2em}
.kw-block h2:first-child{margin-top:0}
.kw-block h3{font-size:18px}
.kw-block p{color:var(--text);font-size:16px}
.kw-block ul{margin:0 0 1.2em;padding-left:0}
.kw-block ul li{position:relative;padding-left:22px;margin-bottom:8px;color:var(--text)}
.kw-block ul li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;background:var(--leather);border-radius:1px;transform:rotate(45deg)}

.side-card{background:var(--white);border:1px solid var(--line);border-radius:8px;padding:24px;position:sticky;top:110px}
.side-card h3{font-size:16px;margin-bottom:12px}
.side-list{display:grid;gap:8px;margin-bottom:18px}
.side-list a{display:block;font-size:14px;padding:8px 10px;border-radius:5px;color:var(--text-soft);border:1px solid transparent}
.side-list a:hover{background:var(--paper-dim);color:var(--leather-dk)}
.kw-layout{display:grid;grid-template-columns:2.1fr 1fr;gap:40px;align-items:start}
@media (max-width:900px){.kw-layout{grid-template-columns:1fr}.side-card{position:static}}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#C7C1B2;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.footer-grid h4{color:#fff;font-family:var(--font-body);font-size:14px;letter-spacing:.04em;text-transform:uppercase;margin-bottom:16px}
.footer-grid a,.footer-grid p{font-size:14px;color:#B9B3A3}
.footer-grid li{margin-bottom:9px}
.footer-grid a:hover{color:var(--brass)}
.footer-brand p{max-width:34ch;font-size:14px}
.footer-social{display:flex;gap:10px;margin-top:14px}
.footer-social a{width:36px;height:36px;border:1px solid #3B4457;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:border-color .15s,color .15s}
.footer-social a:hover{border-color:var(--brass);color:var(--brass)}
.footer-social svg{width:16px;height:16px}
.footer-bottom{border-top:1px solid #2B3547;padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:#8D8878}
.footer-bottom a{color:#8D8878}
.footer-bottom a:hover{color:var(--brass)}

/* ---------- utility ---------- */
.mt-0{margin-top:0}
.text-center{text-align:center}
.skip-link{position:absolute;left:-999px;top:0;background:var(--leather);color:#fff;padding:10px 16px;z-index:200;border-radius:0 0 6px 0}
.skip-link:focus{left:0}