/* ============================================================
   XuFan Footwear — Editorial Luxury Craftsmanship Design System
   Palette: ivory / espresso / cognac · Fonts: Fraunces + Inter
   ============================================================ */
:root{
  --ivory:#FAF7F2; --cream:#F4EEE3; --cream-2:#EFE7D8;
  --espresso:#221A14; --espresso-2:#2E241B;
  --cognac:#B06E3B; --cognac-deep:#8F5527;
  --hairline:#E5DACA; --hairline-dark:#4A3B2C;
  --muted:#71645A; --muted-light:#B9AA97;
  --serif:"Fraunces","Georgia",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --container:1180px; --radius:4px;
  --shadow:0 18px 50px -18px rgba(34,26,20,.22);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--ivory);color:var(--espresso);
  font-size:16.5px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
::selection{background:var(--cognac);color:var(--ivory)}

.container{max-width:var(--container);margin:0 auto;padding:0 28px}
section{padding:96px 0}
.serif{font-family:var(--serif)}

/* ---------- micro labels & headings ---------- */
.micro{font-size:12px;letter-spacing:.32em;text-transform:uppercase;
  color:var(--cognac);font-weight:600;display:inline-flex;align-items:center;gap:14px}
.micro::before{content:"";width:36px;height:1px;background:var(--cognac)}
h1,h2,h3{font-family:var(--serif);font-weight:480;line-height:1.12;letter-spacing:-.01em}
.h-display{font-size:clamp(2.6rem,5.6vw,4.4rem)}
.h-sec{font-size:clamp(2rem,3.8vw,3rem);margin:18px 0 14px}
.lede{font-size:1.12rem;color:var(--muted);max-width:640px}
.sec-head{margin-bottom:56px;max-width:720px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 30px;
  font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  border:1px solid var(--espresso);border-radius:var(--radius);
  transition:all .28s cubic-bezier(.22,.61,.36,1);cursor:pointer;background:transparent}
.btn.solid{background:var(--espresso);color:var(--ivory)}
.btn.solid:hover{background:var(--cognac);border-color:var(--cognac);transform:translateY(-2px)}
.btn.ghost:hover{background:var(--espresso);color:var(--ivory);transform:translateY(-2px)}
.btn.light{border-color:rgba(250,247,242,.5);color:var(--ivory)}
.btn.light:hover{background:var(--ivory);color:var(--espresso)}
.btn .arrow{transition:transform .28s}
.btn:hover .arrow{transform:translateX(4px)}

/* ---------- header ---------- */
.site-header{position:fixed;inset:0 0 auto;z-index:100;
  background:rgba(250,247,242,.86);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--hairline);transition:box-shadow .3s}
.site-header.scrolled{box-shadow:0 6px 30px -12px rgba(34,26,20,.18)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{display:flex;flex-direction:column;line-height:1}
.logo .wordmark{font-family:var(--serif);font-size:26px;font-weight:560;letter-spacing:.06em}
.logo .wordmark em{font-style:normal;color:var(--cognac)}
.logo .tag{font-size:9.5px;letter-spacing:.42em;color:var(--muted);margin-top:4px;text-transform:uppercase}
.main-nav{display:flex;gap:34px}
.main-nav a{font-size:13.5px;font-weight:500;letter-spacing:.05em;color:var(--espresso);
  position:relative;padding:6px 0}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;
  background:var(--cognac);transition:width .28s}
.main-nav a:hover::after,.main-nav a.active::after{width:100%}
.main-nav a.active{color:var(--cognac)}
.header-cta{padding:11px 22px;font-size:12px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--espresso);margin:5px 0;transition:.3s}

/* ---------- hero ---------- */
.hero{padding:176px 0 100px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:center}
.hero h1 em{font-style:italic;color:var(--cognac)}
.hero .lede{margin:26px 0 38px}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap}
.hero-trust{display:flex;gap:28px;flex-wrap:wrap;margin-top:46px;padding-top:26px;
  border-top:1px solid var(--hairline)}
.hero-trust div{font-size:13px;color:var(--muted);letter-spacing:.04em}
.hero-trust strong{display:block;font-family:var(--serif);font-size:19px;color:var(--espresso);font-weight:560}
.hero-media{position:relative}
.hero-media img{border-radius:var(--radius);box-shadow:var(--shadow)}
.hero-media::after{content:"";position:absolute;inset:-22px 22px 22px -22px;
  border:1px solid var(--cognac);border-radius:var(--radius);z-index:-1;opacity:.5}

/* ---------- stats band ---------- */
.stats-band{background:var(--espresso);color:var(--ivory);padding:72px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px}
.stat .num{font-family:var(--serif);font-size:clamp(2.4rem,4.4vw,3.6rem);font-weight:420;
  color:var(--cream);line-height:1}
.stat .num sup{font-size:.45em;color:var(--cognac);font-style:italic}
.stat .lbl{margin-top:12px;font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-light)}
.stat{border-left:1px solid var(--hairline-dark);padding-left:26px}

/* ---------- category grid ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.cat-card{position:relative;border:1px solid var(--hairline);border-radius:var(--radius);
  overflow:hidden;background:#fff;transition:transform .35s cubic-bezier(.22,.61,.36,1),box-shadow .35s}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.cat-card .thumb{overflow:hidden;aspect-ratio:4/3}
.cat-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.22,.61,.36,1)}
.cat-card:hover img{transform:scale(1.06)}
.cat-card .body{padding:20px 22px 22px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.cat-card h3{font-size:19px;font-weight:520}
.cat-card .sub{font-size:12.5px;color:var(--muted);margin-top:4px;letter-spacing:.03em}
.cat-card .go{width:34px;height:34px;flex:none;border:1px solid var(--hairline);border-radius:50%;
  display:grid;place-items:center;color:var(--cognac);transition:.3s}
.cat-card:hover .go{background:var(--cognac);border-color:var(--cognac);color:#fff;transform:rotate(-45deg)}

/* ---------- split feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:76px;align-items:center}
.split.rev>.media{order:2}
.split .media img{border-radius:var(--radius);box-shadow:var(--shadow)}
.check-list{margin-top:28px;display:grid;gap:16px}
.check-list li{display:flex;gap:14px;align-items:flex-start;font-size:15.5px;color:var(--espresso)}
.check-list li::before{content:"";flex:none;width:22px;height:22px;margin-top:2px;border-radius:50%;
  background:var(--cream) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%23B06E3B" stroke-width="3"><path d="M4 12.5l5 5L20 6.5"/></svg>') center/12px no-repeat;
  border:1px solid var(--hairline)}
.check-list strong{font-weight:600}

/* ---------- process ---------- */
.process{background:var(--cream)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--hairline);
  border:1px solid var(--hairline);border-radius:var(--radius);overflow:hidden}
.step{background:var(--ivory);padding:38px 32px 42px;transition:background .3s}
.step:hover{background:#fff}
.step .no{font-family:var(--serif);font-style:italic;font-size:15px;color:var(--cognac)}
.step h3{font-size:21px;margin:14px 0 10px;font-weight:540}
.step p{font-size:14.5px;color:var(--muted)}

/* ---------- marquee ---------- */
.marquee{background:var(--espresso);color:var(--cream);padding:26px 0;overflow:hidden;white-space:nowrap}
.marquee-track{display:inline-flex;gap:56px;animation:scroll 30s linear infinite;padding-right:56px}
.marquee-track span{font-family:var(--serif);font-size:21px;font-style:italic;letter-spacing:.04em;
  display:inline-flex;align-items:center;gap:56px}
.marquee-track i{font-style:normal;color:var(--cognac);font-size:14px}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ---------- markets ---------- */
.markets-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.market-card{border:1px solid var(--hairline);border-radius:var(--radius);padding:44px 40px;
  background:#fff;transition:.3s}
.market-card:hover{border-color:var(--cognac);transform:translateY(-4px);box-shadow:var(--shadow)}
.market-card .flag{font-size:34px}
.market-card h3{font-size:24px;margin:16px 0 8px}
.market-card p{font-size:14.5px;color:var(--muted)}

/* ---------- testimonial ---------- */
.testimonial{background:var(--cream);text-align:center}
.testimonial blockquote{font-family:var(--serif);font-size:clamp(1.4rem,2.6vw,2rem);
  font-style:italic;font-weight:420;max-width:840px;margin:26px auto;line-height:1.5}
.testimonial .who{font-size:13px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.testimonial .stars{color:var(--cognac);letter-spacing:6px;font-size:18px}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--hairline)}
.faq-item summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;
  align-items:center;gap:20px;padding:26px 4px;font-family:var(--serif);font-size:19px;font-weight:520;
  transition:color .25s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--cognac)}
.faq-item summary .plus{flex:none;width:30px;height:30px;border:1px solid var(--hairline);border-radius:50%;
  display:grid;place-items:center;font-size:17px;color:var(--cognac);transition:.3s;font-family:var(--sans)}
.faq-item[open] summary .plus{transform:rotate(45deg);background:var(--cognac);color:#fff;border-color:var(--cognac)}
.faq-item .ans{padding:0 60px 28px 4px;color:var(--muted);font-size:15.5px}

/* ---------- CTA banner ---------- */
.cta-banner{background:var(--espresso);color:var(--ivory);text-align:center;position:relative;overflow:hidden}
.cta-banner h2{font-size:clamp(2rem,4vw,3.2rem);font-weight:440}
.cta-banner h2 em{font-style:italic;color:var(--cognac)}
.cta-banner p{color:var(--muted-light);margin:18px auto 36px;max-width:560px}
.cta-banner .btn.solid{background:var(--cognac);border-color:var(--cognac)}
.cta-banner .btn.solid:hover{background:var(--ivory);color:var(--espresso);border-color:var(--ivory)}

/* ---------- page hero (inner pages) ---------- */
.page-hero{padding:170px 0 70px;border-bottom:1px solid var(--hairline);
  background:linear-gradient(180deg,var(--cream) 0%,var(--ivory) 100%)}
.breadcrumb{font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:22px}
.breadcrumb a:hover{color:var(--cognac)}
.breadcrumb i{font-style:normal;margin:0 10px;color:var(--cognac)}
.page-hero .lede{margin-top:20px}

/* ---------- spec strip (category pages) ---------- */
.spec-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--hairline);
  border:1px solid var(--hairline);border-radius:var(--radius);overflow:hidden;margin:44px 0}
.spec{background:#fff;padding:24px 28px}
.spec .k{font-size:11.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--cognac);font-weight:600}
.spec .v{font-family:var(--serif);font-size:21px;margin-top:8px}

/* ---------- gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.gallery figure{border:1px solid var(--hairline);border-radius:var(--radius);overflow:hidden;background:#fff}
.gallery img{aspect-ratio:4/3;width:100%;object-fit:cover;transition:transform .5s}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{padding:14px 18px;font-size:13px;color:var(--muted);letter-spacing:.05em}

/* ---------- chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.chips li{border:1px solid var(--hairline);border-radius:100px;padding:9px 20px;font-size:13.5px;
  letter-spacing:.05em;background:#fff;transition:.25s}
.chips li:hover{border-color:var(--cognac);color:var(--cognac)}

/* ---------- two col cards (oem/odm) ---------- */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.duo-card{border:1px solid var(--hairline);border-radius:var(--radius);padding:46px 42px;background:#fff}
.duo-card h3{font-size:26px;margin:14px 0 12px}
.duo-card p{color:var(--muted);font-size:15.5px}
.duo-card ul{margin-top:20px;display:grid;gap:10px;font-size:14.5px}
.duo-card ul li{display:flex;gap:10px}
.duo-card ul li::before{content:"—";color:var(--cognac)}

/* ---------- terms table ---------- */
.terms{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.term{border-left:2px solid var(--cognac);padding:6px 0 6px 26px}
.term .k{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.term .v{font-family:var(--serif);font-size:20px;margin-top:8px;line-height:1.4}

/* ---------- factory flow ---------- */
.flow{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;counter-reset:f}
.flow li{background:#fff;border:1px solid var(--hairline);border-radius:var(--radius);
  padding:26px 18px;text-align:center;font-size:13.5px;letter-spacing:.04em;position:relative}
.flow li::before{counter-increment:f;content:"0" counter(f);display:block;
  font-family:var(--serif);font-style:italic;color:var(--cognac);font-size:15px;margin-bottom:10px}

/* ---------- video block ---------- */
.video-block{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);cursor:pointer}
.video-block img{width:100%}
.video-block .cap{position:absolute;left:28px;bottom:24px;color:var(--ivory);
  font-size:13px;letter-spacing:.2em;text-transform:uppercase;background:rgba(34,26,20,.55);
  padding:10px 18px;border-radius:100px;backdrop-filter:blur(6px)}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:start}
.form-card{background:#fff;border:1px solid var(--hairline);border-radius:var(--radius);padding:48px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.field{margin-bottom:22px}
.field label{display:block;font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted);margin-bottom:9px;font-weight:600}
.field input,.field select,.field textarea{width:100%;padding:14px 16px;border:1px solid var(--hairline);
  border-radius:var(--radius);background:var(--ivory);font:inherit;font-size:15px;color:var(--espresso);
  transition:border-color .25s,box-shadow .25s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cognac);
  box-shadow:0 0 0 3px rgba(176,110,59,.14)}
.field textarea{min-height:130px;resize:vertical}
.form-note{font-size:13px;color:var(--muted);margin-top:16px}
.form-success{display:none;text-align:center;padding:60px 20px}
.form-success .big{font-family:var(--serif);font-size:30px;margin:18px 0 10px}
.contact-cards{display:grid;gap:18px}
.contact-card{display:flex;gap:20px;align-items:flex-start;background:#fff;
  border:1px solid var(--hairline);border-radius:var(--radius);padding:26px 28px;transition:.3s}
.contact-card:hover{border-color:var(--cognac);transform:translateY(-3px)}
.contact-card .ico{flex:none;width:46px;height:46px;border-radius:50%;background:var(--cream);
  display:grid;place-items:center;color:var(--cognac)}
.contact-card .k{font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.contact-card .v{font-size:16.5px;font-weight:550;margin-top:5px}
.contact-card a.v:hover{color:var(--cognac)}

/* ---------- footer ---------- */
.site-footer{background:var(--espresso);color:var(--muted-light);padding:80px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:50px;padding-bottom:60px}
.site-footer .wordmark{font-family:var(--serif);font-size:28px;color:var(--cream)}
.site-footer .wordmark em{font-style:normal;color:var(--cognac)}
.site-footer p{font-size:14px;margin-top:16px;max-width:300px}
.site-footer h4{font-size:12px;letter-spacing:.26em;text-transform:uppercase;color:var(--cream);margin-bottom:22px}
.footer-links{display:grid;gap:12px;font-size:14px}
.footer-links a:hover{color:var(--cognac)}
.footer-contact{display:grid;gap:14px;font-size:14px}
.footer-contact span{color:var(--cognac);margin-right:8px}
.footer-bottom{border-top:1px solid var(--hairline-dark);padding:24px 0;font-size:12.5px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted)}

/* ---------- WhatsApp float ---------- */
.wa-float{position:fixed;right:26px;bottom:26px;z-index:200;width:58px;height:58px;border-radius:50%;
  background:#25D366;display:grid;place-items:center;box-shadow:0 12px 30px -8px rgba(37,211,102,.55);
  transition:transform .3s}
.wa-float:hover{transform:scale(1.1) rotate(6deg)}
.wa-float svg{width:30px;height:30px;fill:#fff}
.wa-float::after{content:"Chat with us";position:absolute;right:70px;top:50%;transform:translateY(-50%);
  background:var(--espresso);color:var(--ivory);font-size:12px;padding:8px 14px;border-radius:100px;
  white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .3s}
.wa-float:hover::after{opacity:1}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.22,.61,.36,1),transform .8s cubic-bezier(.22,.61,.36,1)}
.reveal.visible{opacity:1;transform:none}
.reveal.d1{transition-delay:.1s}.reveal.d2{transition-delay:.2s}.reveal.d3{transition-delay:.3s}

/* ---------- responsive ---------- */
@media(max-width:1024px){
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:34px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
  .hero-grid,.split,.contact-grid{grid-template-columns:1fr;gap:50px}
  .split.rev>.media{order:0}
  .gallery{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:680px){
  section{padding:64px 0}
  .hero{padding:140px 0 70px}
  .main-nav,.header-cta{display:none}
  .nav-toggle{display:block}
  .site-header.open .main-nav{display:flex;position:absolute;top:76px;left:0;right:0;
    flex-direction:column;background:var(--ivory);padding:22px 28px 30px;gap:18px;
    border-bottom:1px solid var(--hairline)}
  .cat-grid,.steps,.markets-grid,.duo,.terms,.form-row,.spec-strip{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .form-card{padding:32px 24px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:26px}
  .stat{padding-left:18px}
}