:root{
  --ink:#17211b;
  --ink-2:#24312a;
  --paper:#f6f2ea;
  --paper-2:#efe9dd;
  --card:#fffdf9;
  --line:#e2d9c8;
  --tan:#b07e4a;
  --tan-deep:#8f6134;
  --green:#4e9b4e;
  --text:#2c352e;
  --muted:#6b756c;
  --radius:14px;
  --shadow:0 10px 30px rgba(23,33,27,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  color:var(--text);background:var(--paper);line-height:1.65;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:'Archivo','Inter','PingFang SC','Microsoft YaHei',sans-serif;color:var(--ink);line-height:1.15;letter-spacing:-.01em}
.display{font-family:'Fraunces',Georgia,'Times New Roman',serif;font-weight:600;font-variation-settings:'opsz' 144,'SOFT' 40,'WONK' 1;letter-spacing:-.015em;line-height:1.08;font-size:clamp(19px,3.4vw,46px);white-space:nowrap}
h1{font-size:clamp(34px,5.2vw,58px);font-weight:800}
h2{font-size:clamp(27px,3.6vw,40px);font-weight:700}
h3{font-size:19px;font-weight:700}
img{max-width:100%;height:auto;display:block}
a{color:var(--tan-deep);text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.center{text-align:center}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:6px;z-index:99}

/* ---------- top bar ---------- */
.topbar{background:var(--ink);color:#cfd8d0;font-size:13px}
.topbar-in{display:flex;justify-content:space-between;gap:16px;padding:8px 24px;flex-wrap:wrap}
.topbar a{color:#e8dfd0;margin-left:18px}
.topbar a:hover{color:#fff}
.lang-sw{border:1px solid rgba(255,255,255,.32);padding:1px 10px;border-radius:999px;font-size:12px}
.lang-sw:hover{background:rgba(255,255,255,.12);color:#fff!important}

/* ---------- quick facts ---------- */
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden;margin:0 0 44px}
.facts>div{background:var(--card);padding:20px 24px}
.facts strong{display:block;font-family:'Archivo',sans-serif;font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--tan-deep);margin-bottom:5px}
.facts span{font-size:15px;color:var(--text)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}

/* ---------- spec table ---------- */
.table-wrap{overflow-x:auto;border-radius:12px;border:1px solid var(--line);background:var(--card)}
.spec-table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:640px}
.spec-table th{background:var(--paper-2);text-align:left;font-family:'Archivo','PingFang SC',sans-serif;font-size:12.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--ink);padding:13px 16px;border-bottom:1px solid var(--line);font-weight:700}
.spec-table td{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--text)}
.spec-table tr:last-child td{border-bottom:0}
.spec-table td:first-child{font-weight:600;color:var(--ink);white-space:nowrap}
.spec-table tbody tr:hover{background:#fbf8f2}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:50;background:rgba(246,242,234,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:12px 24px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:56px;height:auto}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-family:'Archivo';font-size:17px;letter-spacing:.14em;color:var(--ink)}
.brand-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.02em}
.nav{display:flex;align-items:center;gap:28px}
.nav a{color:var(--ink);font-weight:500;font-size:15px}
.nav a:hover{color:var(--tan-deep)}
.nav a.active{color:var(--tan-deep);font-weight:600}
.nav-cta{margin-left:6px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;transition:.25s}

/* ---------- buttons ---------- */
.btn{display:inline-block;font-weight:600;font-size:15px;padding:13px 26px;border-radius:10px;transition:.2s;border:1.5px solid transparent}
.btn-accent{background:var(--tan);color:#fff}
.btn-accent:hover{background:var(--tan-deep);color:#fff;transform:translateY(-1px)}
.btn-ghost{border-color:rgba(255,255,255,.65);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-line{border-color:var(--ink);color:var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff}
.btn-lg{padding:16px 34px;font-size:16px}

/* ---------- hero ---------- */
.hero{position:relative;min-height:74vh;display:flex;align-items:center;
  background:linear-gradient(100deg,rgba(15,22,17,.86) 0%,rgba(15,22,17,.55) 55%,rgba(15,22,17,.25) 100%),
  url('../img/opt/hero-shoewall.webp') center/cover no-repeat;color:#fff}
.hero-in{padding:120px 24px;max-width:840px}
.hero .eyebrow{color:#e3b98a}
.hero h1{color:#fff;margin:14px 0 20px}
.lede{font-size:clamp(16px,1.6vw,19px);color:#e7e2d7;max-width:640px}
.lede strong{color:#fff}
.hero-cta{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- stat bar ---------- */
.statbar{background:var(--paper-2);border-bottom:1px solid var(--line)}
.statbar-in{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:26px 24px}
.stat{text-align:left;padding:6px 22px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat strong{display:block;font-family:'Archivo';font-size:clamp(24px,2.6vw,34px);font-weight:800;color:var(--tan-deep)}
.stat span{font-size:13.5px;color:var(--muted)}

/* ---------- sections ---------- */
.section{padding:92px 0}
.section-alt{background:var(--paper-2)}
.section-ink{background:var(--ink);color:#d9e0da}
.section-ink h2,.section-ink h3{color:#fff}
.sec-head{max-width:760px;margin-bottom:48px}
.sec-head-light .sec-sub{color:#aab4ac}
.sec-sub{margin-top:12px;color:var(--muted);font-size:16.5px}
.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--tan-deep)}
.section-ink .eyebrow{color:#d8b184}

/* ---------- grids & cards ---------- */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.pcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;color:inherit;display:block}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.pcard img{aspect-ratio:4/3;object-fit:cover;width:100%}
.pcard-body{padding:18px 20px 22px}
.pcard-body p{color:var(--muted);font-size:14.5px;margin-top:6px}
.pcard:hover h3{color:var(--tan-deep)}
.vcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px}
.vcard .vnum{font-family:'Archivo';font-weight:800;font-size:14px;color:var(--tan);letter-spacing:.1em;margin-bottom:12px}
.vcard p{color:var(--muted);font-size:14.5px;margin-top:8px}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.split-media img{border-radius:var(--radius);box-shadow:var(--shadow)}
.split-copy h2{margin:12px 0 20px}
.checklist{list-style:none;display:grid;gap:14px;margin:0 0 26px}
.checklist li{padding-left:30px;position:relative;font-size:15.5px}
.checklist li::before{content:"✓";position:absolute;left:0;top:1px;width:20px;height:20px;border-radius:50%;background:var(--green);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center}
.checklist strong{color:var(--ink)}

/* ---------- gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.gallery figure{margin:0}
.gallery img{border-radius:12px;aspect-ratio:4/3;object-fit:cover;width:100%}
.gallery figcaption{font-size:13px;color:#aab4ac;margin-top:8px;letter-spacing:.04em}

/* ---------- process ---------- */
.step{display:grid;grid-template-columns:70px 1fr 1.1fr;gap:28px;align-items:start;padding:38px 0;border-bottom:1px solid var(--line)}
.step:last-of-type{border-bottom:0}
.step-num{font-family:'Archivo';font-size:40px;font-weight:800;color:var(--tan);opacity:.85;line-height:1}
.step h3{margin-bottom:10px}
.step p{color:var(--muted);font-size:15.5px}
.step-media img{border-radius:12px;aspect-ratio:3/2;object-fit:cover;width:100%}
.step-media{display:grid;gap:12px;grid-template-columns:1fr 1fr}
.step-media img:only-child{grid-column:1/-1;aspect-ratio:16/9}

/* ---------- products page ---------- */
.cat-head{margin:64px 0 26px;padding-top:34px;border-top:1px solid var(--line)}
.cat-head h2{margin-bottom:6px}
.cat-head p{color:var(--muted);max-width:720px}
.spec{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.chip{font-size:12.5px;font-weight:600;letter-spacing:.04em;color:var(--tan-deep);background:#f0e4d4;border:1px solid #e5d3b8;padding:5px 12px;border-radius:999px}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.duo-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.duo img,.duo-3 img{border-radius:12px;aspect-ratio:4/3;object-fit:cover;width:100%;background:var(--card)}
.product-block{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;margin-bottom:26px}
.product-block.flip{grid-template-columns:.85fr 1.15fr}

/* ---------- about ---------- */
.timeline{margin:40px 0 0;display:grid;gap:0}
.tl{display:grid;grid-template-columns:120px 1fr;gap:24px;padding:22px 0;border-bottom:1px solid var(--line)}
.tl strong{font-family:'Archivo';font-size:22px;font-weight:800;color:var(--tan-deep)}
.tl h3{margin-bottom:4px}
.tl p{color:var(--muted);font-size:15px}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.c-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.c-card h3{margin-bottom:6px}
.c-card .role{color:var(--muted);font-size:14px;margin-bottom:16px}
.c-line{display:flex;gap:12px;align-items:center;padding:12px 0;border-top:1px solid var(--line);font-size:15px}
.c-line:first-of-type{border-top:0}
.c-line .ico{width:34px;height:34px;border-radius:9px;background:var(--paper-2);display:flex;align-items:center;justify-content:center;flex:none}
form.rfq{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.f-group{margin-bottom:16px}
label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:6px}
input,select,textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:9px;background:#fff;font:inherit;font-size:14.5px;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--tan);border-color:var(--tan)}
textarea{min-height:120px;resize:vertical}
.f-note{font-size:13px;color:var(--muted);margin-top:12px}

/* ---------- cta band ---------- */
.cta-band{background:linear-gradient(120deg,var(--ink-2),var(--ink));color:#fff;padding:76px 0}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-band h2{color:#fff;max-width:620px;font-size:clamp(24px,3vw,34px)}
.cta-band p{color:#b9c2ba;margin-top:10px}

/* ---------- footer ---------- */
.site-foot{background:#101812;color:#a9b3aa;font-size:14.5px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px;padding:64px 24px 44px}
.foot-logo{width:76px;margin-bottom:14px;background:#fff;padding:8px;border-radius:8px}
.foot-name{color:#e7e2d7;font-weight:600;margin:6px 0 10px}
.site-foot h4{color:#fff;font-size:14px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
.site-foot a{display:block;color:#a9b3aa;padding:4px 0}
.site-foot a:hover{color:#fff}
.foot-tz{margin-top:10px;font-size:13px;color:#77817a}
.foot-base{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid #24302a;padding:20px 24px;font-size:13px;color:#77817a}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .step{grid-template-columns:56px 1fr}
  .step-media{grid-column:2}
  .product-block,.product-block.flip{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  .nav{position:fixed;inset:0 0 auto;top:0;background:var(--paper);flex-direction:column;align-items:flex-start;gap:8px;padding:84px 28px 28px;height:100vh;transform:translateX(100%);transition:.3s;box-shadow:-20px 0 60px rgba(0,0,0,.15)}
  .nav.open{transform:none}
  .nav a{font-size:18px;padding:6px 0}
  .nav-toggle{display:block;z-index:60}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .topbar-in span:first-child{display:none}
  .grid-3,.grid-4{grid-template-columns:1fr}
  .statbar-in{grid-template-columns:repeat(2,1fr);gap:18px 0}
  .stat:nth-child(3){border-left:0}
  .section{padding:64px 0}
  .hero-in{padding:88px 24px}
  .duo{grid-template-columns:1fr}
  .duo-3{grid-template-columns:1fr}
  .f-row{grid-template-columns:1fr}
  .cta-in{flex-direction:column;align-items:flex-start}
}