/* ============================================================
   Xinchengwang Auto Parts — Foreign Trade Site
   ============================================================ */
:root{
  --ink:#0e1116;
  --ink-2:#151a21;
  --ink-3:#1d242d;
  --paper:#ffffff;
  --paper-2:#f5f6f8;
  --paper-3:#eef0f3;
  --line:#e5e8ec;
  --line-dark:rgba(255,255,255,.14);
  --txt:#242a33;
  --txt-2:#5b6470;
  --txt-3:#8a93a0;
  --accent:#f25c05;
  --accent-2:#ff8a3d;
  --accent-dark:#d14e02;
  --ok:#1f9d61;
  --radius:14px;
  --shadow:0 10px 30px rgba(14,17,22,.10);
  --shadow-lg:0 24px 60px rgba(14,17,22,.18);
  --font-body:'Inter','Noto Sans SC','Segoe UI',-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
  --font-display:'Barlow Condensed','Inter','Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --container:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  color:var(--txt);
  background:var(--paper);
  line-height:1.6;
  font-size:16px;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 28px;border-radius:10px;
  font-weight:700;font-size:15px;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space:nowrap;
}
.btn svg{width:17px;height:17px;flex:none}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 24px rgba(242,92,5,.35)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 14px 32px rgba(242,92,5,.42)}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff;background:rgba(255,255,255,.06);backdrop-filter:blur(4px)}
.btn-ghost:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--accent);transform:translateY(-2px)}
.btn-sm{padding:11px 20px;font-size:14px;border-radius:9px}

/* ---------- Header ---------- */
.site-head{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .25s ease, box-shadow .25s ease, border-color .25s;
  border-bottom:1px solid transparent;
}
.site-head .container{display:flex;align-items:center;gap:28px;height:78px}
.site-head.scrolled{background:rgba(13,16,20,.92);backdrop-filter:blur(12px);border-bottom-color:var(--line-dark)}
.brand{display:flex;align-items:center;gap:12px;color:#fff;flex:none}
.brand-mark{
  width:42px;height:42px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,var(--accent),#ff9142);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:800;font-size:20px;color:#fff;letter-spacing:.02em;
  box-shadow:0 6px 18px rgba(242,92,5,.4);
}
.brand-txt{line-height:1.15}
.brand-txt b{display:block;font-size:15px;letter-spacing:.06em;text-transform:uppercase}
.brand-txt span{display:block;font-size:11px;color:rgba(255,255,255,.72);letter-spacing:.04em}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{color:rgba(255,255,255,.85);font-size:14.5px;font-weight:600;position:relative;padding:6px 0}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent);transition:width .2s}
.nav a:hover{color:#fff}
.nav a:hover::after{width:100%}
.head-tools{display:flex;align-items:center;gap:14px}
.lang{display:flex;border:1px solid rgba(255,255,255,.3);border-radius:8px;overflow:hidden}
.lang button{
  background:transparent;border:0;color:rgba(255,255,255,.75);
  font:600 12.5px/1 var(--font-body);padding:9px 11px;cursor:pointer;letter-spacing:.03em;
  transition:background .15s,color .15s;
}
.lang button+button{border-left:1px solid rgba(255,255,255,.18)}
.lang button:hover{color:#fff}
.lang button.on{background:var(--accent);color:#fff}
.burger{display:none;background:none;border:1px solid rgba(255,255,255,.35);border-radius:8px;width:42px;height:42px;cursor:pointer;position:relative}
.burger span{display:block;width:18px;height:2px;background:#fff;margin:4px auto;transition:.2s}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;padding:150px 0 0;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 40%}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(10,12,16,.92) 0%,rgba(10,12,16,.72) 34%,rgba(10,12,16,.25) 62%,rgba(10,12,16,.45) 100%),
    linear-gradient(0deg,rgba(10,12,16,.95) 0%,rgba(10,12,16,0) 42%);
}
.hero-inner{position:relative;max-width:780px}
.eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font:700 13px/1 var(--font-display);letter-spacing:.22em;text-transform:uppercase;
  color:var(--accent-2);margin-bottom:22px;
}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--accent)}
.hero h1{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(40px,5.6vw,72px);line-height:1.02;letter-spacing:.005em;
  text-transform:uppercase;margin-bottom:24px;
}
.hero h1 em{font-style:normal;color:var(--accent-2)}
.hero-sub{font-size:clamp(15.5px,1.35vw,18px);line-height:1.75;color:rgba(255,255,255,.85);max-width:640px;margin-bottom:34px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:44px}
.chips{display:flex;flex-wrap:wrap;gap:9px;max-width:700px;margin-bottom:54px}
.chip{
  font:600 12.5px/1 var(--font-body);letter-spacing:.05em;
  padding:8px 13px;border:1px solid rgba(255,255,255,.28);border-radius:99px;
  color:rgba(255,255,255,.85);background:rgba(255,255,255,.05);
}
.chip b{color:var(--accent-2)}
.hero-stats{
  position:relative;left:50%;transform:translateX(-50%);
  width:100vw;background:rgba(10,13,17,.55);backdrop-filter:blur(10px);
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:40px;
}
.hero-stats .container{display:grid;grid-template-columns:repeat(4,1fr);height:96px}
.stat{display:flex;flex-direction:column;justify-content:center;gap:3px;padding:0 26px;border-left:1px solid rgba(255,255,255,.1)}
.stat:first-child{border-left:0;padding-left:0}
.stat b{font-family:var(--font-display);font-weight:700;font-size:26px;letter-spacing:.04em;text-transform:uppercase;color:#fff}
.stat b i{font-style:normal;color:var(--accent-2)}
.stat span{font-size:12.5px;color:rgba(255,255,255,.6);letter-spacing:.02em}

/* ---------- Sections ---------- */
.sec{padding:104px 0}
.sec-alt{background:var(--paper-2)}
.sec-dark{background:var(--ink);color:#fff}
.sec-dark .lead,.sec-dark .sec-kicker{color:rgba(255,255,255,.6)}
.sec-dark h2{color:#fff}
.sec-kicker{
  display:inline-flex;align-items:center;gap:10px;
  font:700 13px/1 var(--font-display);letter-spacing:.22em;text-transform:uppercase;color:var(--accent);
  margin-bottom:16px;
}
.sec-kicker::before{content:"";width:26px;height:2px;background:var(--accent)}
.sec h2{font-family:var(--font-display);font-weight:700;font-size:clamp(30px,3.6vw,46px);line-height:1.06;text-transform:uppercase;letter-spacing:.01em;color:var(--ink)}
.lead{color:var(--txt-2);font-size:16.5px;max-width:760px;margin-top:14px}
.sec-head{margin-bottom:56px}
.sec-head.center{text-align:center}
.sec-head.center .lead{margin-left:auto;margin-right:auto}
.sec-head.center .sec-kicker{justify-content:center}
.sec-head.center .sec-kicker::before{display:none}
.sec-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:40px}

/* ---------- Models ---------- */
.model-groups{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.model-group{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 32px 30px;position:relative;overflow:hidden;
}
.model-group::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),transparent 70%)}
.mg-tag{display:inline-block;font:700 11.5px/1 var(--font-display);letter-spacing:.18em;text-transform:uppercase;color:var(--accent);border:1px solid rgba(242,92,5,.35);border-radius:6px;padding:7px 10px;margin-bottom:16px}
.model-group h3{font-family:var(--font-display);font-weight:700;font-size:26px;text-transform:uppercase;letter-spacing:.02em;margin-bottom:6px;color:var(--ink)}
.model-group .mg-sub{color:var(--txt-2);font-size:14.5px;margin-bottom:22px}
.mg-list{display:flex;flex-wrap:wrap;gap:10px}
.mg-list li{
  border:1px solid var(--line);background:var(--paper-2);border-radius:9px;
  padding:11px 16px;font-weight:700;font-size:15px;color:var(--ink);
  font-family:var(--font-display);letter-spacing:.05em;
  transition:border-color .15s, background .15s, transform .15s;
}
.mg-list li:hover{border-color:var(--accent);background:#fff;transform:translateY(-2px)}
.mg-list li small{display:block;font:500 11px/1.3 var(--font-body);color:var(--txt-3);letter-spacing:.02em;text-transform:none;margin-top:3px}
.mg-note{margin-top:20px;font-size:13.5px;color:var(--txt-2);display:flex;gap:9px;align-items:flex-start}
.mg-note svg{width:16px;height:16px;flex:none;margin-top:2px;color:var(--ok)}

/* ---------- Products ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.prod-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;transition:transform .2s ease, box-shadow .2s ease, border-color .2s;
  position:relative;
}
.prod-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(242,92,5,.45)}
.prod-ic{
  width:52px;height:52px;border-radius:12px;background:var(--paper-2);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--ink);
  transition:background .2s,color .2s;
}
.prod-card:hover .prod-ic{background:var(--accent);color:#fff}
.prod-ic svg{width:26px;height:26px}
.prod-card h3{font-size:16.5px;font-weight:700;color:var(--ink);margin-bottom:8px;line-height:1.35}
.prod-card p{font-size:13.5px;color:var(--txt-2);line-height:1.6}

/* ---------- Split / Why ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split-img{position:relative}
.split-img img{border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;height:520px;object-fit:cover}
.split-img::after{
  content:"";position:absolute;inset:auto -18px -18px auto;width:55%;height:55%;
  border:2px solid var(--accent);border-radius:var(--radius);z-index:-1;
}
.why-list{display:grid;gap:8px;margin-top:8px}
.why-item{display:flex;gap:16px;padding:16px 14px;border-radius:12px;transition:background .15s}
.why-item:hover{background:var(--paper-2)}
.why-ic{width:44px;height:44px;flex:none;border-radius:11px;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center}
.why-ic svg{width:21px;height:21px}
.why-item h4{font-size:15.5px;font-weight:700;color:var(--ink);margin-bottom:4px}
.why-item p{font-size:13.8px;color:var(--txt-2);line-height:1.6}

/* ---------- Gallery ---------- */
.g-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.g-item{
  position:relative;display:block;overflow:hidden;
  aspect-ratio:4/5;border-radius:var(--radius);
  border:1px solid var(--line);background:#fff;
}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.g-item:hover img{transform:scale(1.06)}
.g-cap{
  position:absolute;left:0;right:0;bottom:0;padding:40px 16px 13px;
  font-size:13.5px;font-weight:600;color:#fff;line-height:1.45;
  background:linear-gradient(0deg,rgba(10,13,17,.88) 0%,rgba(10,13,17,0) 100%);
}
.g-license img{object-fit:contain;background:#fff;padding:10px}
@media (max-width:1080px){.g-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.g-grid{gap:12px}}

/* ---------- Trade terms ---------- */
.t-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:10px}
.t-card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:26px 24px 24px;transition:transform .25s,box-shadow .25s}
.t-card:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(15,23,42,.09)}
.t-ico{width:44px;height:44px;border-radius:11px;background:rgba(242,92,5,.1);color:var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.t-ico svg{width:22px;height:22px}
.t-card h4{font-size:15.5px;font-weight:700;margin-bottom:8px;color:var(--txt)}
.t-card p{font-size:13.8px;color:var(--txt-2);line-height:1.65}
@media(max-width:900px){.t-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.t-grid{grid-template-columns:1fr}}

/* ---------- Footer social ---------- */
.soc-row{display:flex;gap:10px;margin-top:20px}
.soc{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.08);color:#fff;display:flex;align-items:center;justify-content:center;transition:background .2s,transform .2s}
.soc:hover{background:var(--accent);transform:translateY(-2px)}
.soc svg{width:19px;height:19px}
.soc.hide{display:none}
.foot-link{color:rgba(255,255,255,.72);text-decoration:none;border-bottom:1px solid rgba(255,255,255,.25);transition:color .2s}
.foot-link:hover{color:var(--accent)}

/* ---------- Legal pages ---------- */
.legal-nav{position:sticky;top:0;background:var(--ink);padding:13px 0;z-index:60}
.legal-nav .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.legal-body{padding:64px 0 90px;max-width:900px}
.legal-body h1{font-size:30px;font-weight:800;margin-bottom:6px}
.legal-body h2{font-size:19px;font-weight:700;margin:34px 0 10px;color:var(--txt)}
.legal-body p,.legal-body li{font-size:14.5px;color:var(--txt-2);line-height:1.78}
.legal-body ul{padding-left:20px;margin:10px 0}
.legal-body li{margin-bottom:6px}
.legal-body strong{color:var(--txt)}
.legal-body a{color:var(--accent)}
.legal-meta{color:var(--txt-3)!important;font-size:13px!important;margin:4px 0 30px}
@media(max-width:560px){.legal-body h1{font-size:24px}.legal-body{padding:44px 0 70px}}

/* ---------- Markets ---------- */
.market-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px}
.market-card{
  background:var(--ink-2);border:1px solid var(--line-dark);border-radius:var(--radius);
  padding:30px 28px;transition:border-color .2s,transform .2s;
}
.market-card:hover{border-color:var(--accent);transform:translateY(-4px)}
.market-card h4{font-family:var(--font-display);font-weight:700;font-size:22px;text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px;color:#fff}
.market-card p{font-size:13.8px;color:rgba(255,255,255,.62);line-height:1.65}

/* ---------- Process ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step}
.step{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;position:relative;counter-increment:step;
}
.step::before{
  content:"0" counter(step);
  font-family:var(--font-display);font-weight:800;font-size:44px;line-height:1;
  color:transparent;-webkit-text-stroke:1.4px var(--accent);
  display:block;margin-bottom:14px;
}
.step h4{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:7px}
.step p{font-size:13.8px;color:var(--txt-2);line-height:1.65}

/* ---------- About ---------- */
.about-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.about-img img{border-radius:var(--radius);width:100%;height:560px;object-fit:cover;box-shadow:var(--shadow-lg)}
.about-cols p{margin-bottom:18px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.78)}
.about-cols p strong{color:#fff}
.about-facts{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px}
.fact{border:1px solid var(--line-dark);border-radius:12px;padding:18px 20px;background:rgba(255,255,255,.03)}
.fact b{display:block;font-family:var(--font-display);font-weight:700;font-size:20px;letter-spacing:.04em;text-transform:uppercase;color:var(--accent-2);margin-bottom:4px}
.fact span{font-size:12.8px;color:rgba(255,255,255,.6);line-height:1.5}

/* ---------- Inquiry ---------- */
.inq-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:start}
.inq-info{color:#fff}
.inq-info .lead{color:rgba(255,255,255,.65)}
.inq-contacts{display:grid;gap:14px;margin-top:34px}
.inq-line{display:flex;gap:14px;align-items:center;border:1px solid var(--line-dark);border-radius:12px;padding:15px 18px;background:rgba(255,255,255,.03)}
.inq-line svg{width:19px;height:19px;color:var(--accent-2);flex:none}
.inq-line b{display:block;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.5);font-weight:700}
.inq-line span{font-size:15px;font-weight:600;color:#fff}
.inq-form{
  background:var(--paper);border-radius:18px;padding:40px;box-shadow:var(--shadow-lg);
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.f-full{grid-column:1/-1}
.field label{display:block;font-size:12.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--txt-2);margin-bottom:7px}
.field label i{color:var(--accent);font-style:normal}
.field input,.field select,.field textarea{
  width:100%;border:1.5px solid var(--line);border-radius:10px;
  padding:13px 15px;font:400 15px/1.4 var(--font-body);color:var(--ink);
  background:var(--paper);outline:none;transition:border-color .15s, box-shadow .15s;
}
.field textarea{resize:vertical;min-height:120px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(242,92,5,.14)}
.model-picks{display:flex;flex-wrap:wrap;gap:8px}
.mp{position:relative}
.mp input{position:absolute;opacity:0;inset:0;cursor:pointer}
.mp span{
  display:inline-block;border:1.5px solid var(--line);border-radius:99px;
  padding:8px 14px;font-size:13px;font-weight:600;color:var(--txt-2);cursor:pointer;
  transition:all .13s;user-select:none;
}
.mp input:checked+span{border-color:var(--accent);background:rgba(242,92,5,.08);color:var(--accent-dark)}
.inq-form .btn{grid-column:1/-1;justify-content:center;padding:17px}
.form-msg{grid-column:1/-1;font-size:14px;font-weight:600;display:none;padding:13px 16px;border-radius:10px}
.form-msg.ok{display:block;background:rgba(31,157,97,.1);color:var(--ok);border:1px solid rgba(31,157,97,.3)}
.form-msg.err{display:block;background:rgba(220,38,38,.07);color:#c2312e;border:1px solid rgba(220,38,38,.25)}
.hp-field{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:21px 24px;font-weight:700;font-size:15.5px;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-family:var(--font-display);font-size:26px;font-weight:600;color:var(--accent);transition:transform .2s;flex:none}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-a{padding:0 24px 22px;font-size:14.5px;color:var(--txt-2);line-height:1.75}

/* ---------- Footer ---------- */
.site-foot{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:52px}
.foot-brand p{font-size:13.8px;line-height:1.75;margin-top:16px;max-width:320px}
.site-foot h5{color:#fff;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-bottom:18px}
.foot-links li{margin-bottom:10px;font-size:14px}
.foot-links a{transition:color .15s}
.foot-links a:hover{color:var(--accent-2)}
.foot-contact li{display:flex;gap:10px;margin-bottom:12px;font-size:14px;line-height:1.55}
.foot-contact svg{width:16px;height:16px;flex:none;margin-top:3px;color:var(--accent-2)}
.foot-bar{border-top:1px solid var(--line-dark);padding:22px 0}
.foot-bar .container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.8px;color:rgba(255,255,255,.45)}

/* ---------- Floating ---------- */
.fab{
  position:fixed;right:22px;bottom:22px;z-index:90;
  width:56px;height:56px;border-radius:50%;
  background:#25d366;color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 28px rgba(37,211,102,.45);transition:transform .18s;
}
.fab:hover{transform:scale(1.08)}
.fab svg{width:28px;height:28px}
.to-top{
  position:fixed;right:26px;bottom:92px;z-index:90;width:44px;height:44px;border-radius:50%;
  background:var(--ink);color:#fff;border:0;cursor:pointer;font-size:18px;
  opacity:0;pointer-events:none;transition:opacity .25s,transform .2s;
}
.to-top.show{opacity:.85;pointer-events:auto}
.to-top:hover{opacity:1;transform:translateY(-3px)}

/* ---------- Reveal ---------- */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}

/* ---------- Mobile menu ---------- */
.mobile-menu{
  position:fixed;inset:0;z-index:99;background:rgba(10,12,16,.98);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  opacity:0;pointer-events:none;transition:opacity .25s;
}
.mobile-menu.open{opacity:1;pointer-events:auto}
.mobile-menu a{color:#fff;font-family:var(--font-display);font-weight:700;font-size:26px;text-transform:uppercase;letter-spacing:.06em;padding:10px}
.mobile-menu .lang{margin-top:26px}
body.menu-open{overflow:hidden}
body.menu-open .burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.menu-open .burger span:nth-child(2){opacity:0}
body.menu-open .burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .nav{display:none}
  .burger{display:block}
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .split,.about-wrap,.inq-wrap{grid-template-columns:1fr;gap:44px}
  .split-img img,.about-img img{height:420px}
  .model-groups{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero{padding-top:130px}
  .hero-stats .container{grid-template-columns:repeat(2,1fr);height:auto;padding-top:18px;padding-bottom:18px;row-gap:16px}
  .stat{border-left:0;padding:0}
}
@media (max-width:720px){
  .sec{padding:72px 0}
  .prod-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .steps{grid-template-columns:1fr}
  .market-grid{grid-template-columns:1fr}
  .inq-form{padding:26px 20px;grid-template-columns:1fr}
  .hero-stats .container{grid-template-columns:1fr 1fr}
  .sec-head.split{flex-direction:column;align-items:flex-start;gap:14px}
  .lang{display:none}
  .mobile-menu .lang{display:flex}
  .brand-txt span{display:none}
  .foot-grid{grid-template-columns:1fr;gap:32px}
  .head-cta{display:none}
}
@media (max-width:480px){
  .prod-grid{grid-template-columns:1fr}
  .hero h1{font-size:38px}
}