/* ============================================================
   Factory Site — static, no external dependencies
   ============================================================ */
:root{
  --navy:#0d2b45;
  --navy-2:#14405f;
  --ink:#1b2733;
  --muted:#5b6b7c;
  --line:#e3e9ef;
  --bg:#ffffff;
  --bg-alt:#f5f8fa;
  --accent:#ff7a18;
  --accent-dark:#e56a0c;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 8px 30px rgba(13,43,69,.08);
  --shadow-lg:0 18px 50px rgba(13,43,69,.14);
  --maxw:1180px;
  --header-h:72px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--header-h)}
body{
  margin:0;font-family:"Segoe UI",-apple-system,BlinkMacSystemFont,"Helvetica Neue","PingFang SC","Microsoft YaHei",Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.25;font-weight:700;color:var(--navy)}
p{margin:0 0 1em}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.center{text-align:center}
.mt-32{margin-top:32px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:.2s ease;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,122,24,.28)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px)}
.btn-outline{border-color:#cfdae4;color:var(--navy);background:#fff}
.btn-outline:hover{border-color:var(--navy);background:#f2f6fa}
.btn-link{color:var(--navy);padding:11px 4px;text-decoration:underline;text-underline-offset:4px}
.btn-sm{padding:8px 15px;font-size:14px}
.btn-lg{padding:14px 30px;font-size:16px}
.btn-block{width:100%}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;height:var(--header-h);
  background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:.25s;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 4px 20px rgba(13,43,69,.06)}
.header-inner{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand img{height:34px;width:auto}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-text strong{color:var(--navy);font-size:16px;letter-spacing:.3px}
.brand-text small{color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}
.main-nav{display:flex;align-items:center;gap:22px}
.main-nav > a{font-size:15px;font-weight:500;color:var(--ink);position:relative;padding:4px 0}
.main-nav > a:not(.btn):hover{color:var(--accent)}
.main-nav > a:not(.btn).active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent);border-radius:2px;
}
.lang-toggle{
  display:inline-flex;align-items:center;gap:6px;background:#f2f6fa;border:1px solid var(--line);
  color:var(--navy);padding:6px 13px;border-radius:999px;font-size:13px;font-weight:600;cursor:pointer;
}
.lang-toggle:hover{border-color:var(--navy)}
.lang-ico{font-size:13px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--navy);border-radius:2px;display:block;transition:.25s}

/* ---------- hero ---------- */
.hero{position:relative;min-height:86vh;display:flex;align-items:center;color:#fff;padding:120px 0 70px;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,25,41,.9) 0%,rgba(8,25,41,.72) 55%,rgba(8,25,41,.45) 100%)}
.hero-content{position:relative;z-index:1;max-width:760px}
.hero-badge{
  display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  padding:6px 16px;border-radius:999px;font-size:13px;letter-spacing:.5px;margin-bottom:22px;
}
.hero h1{color:#fff;font-size:clamp(30px,5vw,52px);margin-bottom:18px;letter-spacing:-.5px}
.hero-desc{font-size:clamp(15px,1.6vw,18px);color:rgba(255,255,255,.86);max-width:620px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:48px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;max-width:680px;
  border-top:1px solid rgba(255,255,255,.22);padding-top:26px}
.hero-stats li{list-style:none}
.hero-stats b{display:block;font-size:clamp(22px,3vw,32px);color:#fff;line-height:1.2}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.72)}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.section-head{margin-bottom:46px;max-width:720px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(24px,3.2vw,36px)}
.tag{
  display:inline-block;color:var(--accent);font-size:13px;font-weight:700;letter-spacing:1.4px;
  text-transform:uppercase;margin-bottom:10px;
}
.section-desc{color:var(--muted);font-size:16px;margin-top:12px}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.about-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.about-badge{
  position:absolute;left:20px;bottom:20px;background:#fff;border-radius:var(--radius-sm);
  padding:12px 20px;text-align:center;box-shadow:var(--shadow);line-height:1.2;
}
.about-badge strong{display:block;font-size:24px;color:var(--navy)}
.about-badge em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:1px;text-transform:uppercase}
.about-body p{color:#3d4d5c;font-size:16px}
.check-list{margin:22px 0 30px;display:grid;gap:12px}
.check-list li{position:relative;padding-left:30px;font-weight:500}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;
  background:rgba(255,122,24,.14);color:var(--accent);font-size:12px;display:flex;align-items:center;justify-content:center;
}
.about-cta{display:flex;align-items:center;gap:20px;flex-wrap:wrap}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d8e2ec}
.card-ico{
  width:46px;height:46px;border-radius:12px;background:rgba(13,43,69,.07);color:var(--navy);
  display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:16px;
}
.card h3{font-size:18px}
.card p{color:var(--muted);font-size:15px;margin:0}

/* ---------- products ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.prod{margin:0;border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);transition:.25s}
.prod:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.prod img{width:100%;aspect-ratio:1/1;object-fit:cover;background:#eef3f7}
.prod figcaption{padding:14px 16px;font-weight:600;font-size:15px;color:var(--navy);text-align:center}

/* ---------- gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.gal-item{margin:0;border-radius:var(--radius);overflow:hidden;position:relative;background:#fff;border:1px solid var(--line)}
.gal-item img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s}
.gal-item:hover img{transform:scale(1.04)}
.gal-item figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:12px 16px;color:#fff;font-weight:600;font-size:14px;
  background:linear-gradient(transparent,rgba(8,25,41,.85));
}
.gal-lg{grid-column:span 2}
.gal-lg img{aspect-ratio:8/5}

/* ---------- location ---------- */
.loc-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch}
.loc-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.loc-card h3{display:flex;align-items:center;gap:10px;font-size:18px}
.loc-card h3 .ico{font-size:18px}
.loc-addr{font-size:17px;color:var(--ink);font-weight:500;margin:6px 0 20px}
.loc-actions{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.loc-meta{margin:0 0 24px;display:grid;gap:14px;border-top:1px solid var(--line);padding-top:20px}
.loc-meta dt{font-size:12px;letter-spacing:.8px;text-transform:uppercase;color:var(--muted);font-weight:700}
.loc-meta dd{margin:2px 0 0;font-size:15px}
.loc-map{border-radius:var(--radius);overflow:hidden;min-height:320px;border:1px solid var(--line)}
.map-placeholder{
  width:100%;height:100%;min-height:320px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  background:linear-gradient(160deg,#eef3f8,#e2eaf2);text-align:center;padding:30px;
}
.map-pin{font-size:42px;line-height:1}
.map-district{font-size:18px;font-weight:700;color:var(--navy);margin:4px 0 0}
.map-tip{color:var(--muted);font-size:14px;margin:0 0 8px}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:32px;align-items:start}
.contact-info{background:var(--navy);color:#fff;border-radius:var(--radius);padding:32px}
.contact-info h3{color:#fff}
.info-list{display:grid;gap:20px;margin-bottom:22px}
.info-list li{display:flex;gap:14px;align-items:flex-start}
.info-ico{
  flex:0 0 38px;height:38px;border-radius:10px;background:rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.info-list strong{display:block;font-size:12px;letter-spacing:.8px;text-transform:uppercase;color:rgba(255,255,255,.6);font-weight:700}
.info-list a,.info-list span{color:#fff;font-size:16px;word-break:break-word}
.info-list a:hover{color:var(--accent)}
.info-note{color:rgba(255,255,255,.65);font-size:13px;margin:0;border-top:1px solid rgba(255,255,255,.14);padding-top:18px}

.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.contact-form label{display:block;margin-bottom:18px}
.contact-form label span{display:block;font-size:13px;font-weight:600;color:var(--navy);margin-bottom:6px}
.contact-form input,.contact-form textarea{
  width:100%;padding:12px 14px;border:1px solid #dbe3eb;border-radius:var(--radius-sm);
  font:inherit;font-size:15px;color:var(--ink);background:#fbfcfd;transition:.2s;
}
.contact-form input:focus,.contact-form textarea:focus{
  outline:0;border-color:var(--navy);background:#fff;box-shadow:0 0 0 3px rgba(13,43,69,.08);
}
.form-status{margin:14px 0 0;font-size:14px;min-height:20px}
.form-status.ok{color:#0f8a4d}
.form-status.err{color:#c0392b}

/* ---------- footer ---------- */
.site-footer{background:var(--navy);color:rgba(255,255,255,.75);padding:60px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.3fr;gap:40px;padding-bottom:34px}
.brand-footer{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.brand-footer strong{color:#fff;font-size:17px}
.footer-about{font-size:14px;max-width:380px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.4px}
.footer-links li{margin-bottom:9px;font-size:14px}
.footer-links a:hover{color:var(--accent)}
.social{display:flex;gap:10px;margin-top:16px}
.social a{
  width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:center;font-size:14px;color:#fff;
}
.social a:hover{background:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;
  justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;
}
.footer-bottom p{margin:0}
.footer-legal a{text-decoration:underline;text-underline-offset:3px}
.footer-legal .dot{margin:0 8px;opacity:.5}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:24px}
.modal.open{display:flex}
.modal-backdrop{position:absolute;inset:0;background:rgba(8,20,32,.6)}
.modal-panel{
  position:relative;background:#fff;border-radius:var(--radius);max-width:640px;width:100%;
  max-height:82vh;overflow:auto;padding:34px;box-shadow:var(--shadow-lg);
}
.modal-panel h3{margin-bottom:14px}
.modal-panel p{font-size:15px;color:#3d4d5c}
.modal-close{position:absolute;top:12px;right:16px;background:none;border:0;font-size:26px;line-height:1;cursor:pointer;color:var(--muted)}
.modal-updated{font-size:13px;color:var(--muted)}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .gal-lg{grid-column:span 2}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:var(--header-h);left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;
    gap:0;padding:10px 24px 22px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);
    transform:translateY(-12px);opacity:0;visibility:hidden;transition:.22s;
  }
  .main-nav.open{transform:none;opacity:1;visibility:visible}
  .main-nav > a:not(.btn){padding:13px 0;border-bottom:1px solid var(--line);font-size:16px}
  .main-nav .btn-primary{margin-top:16px}
  .lang-toggle{align-self:flex-start;margin-top:14px}
  .about-grid,.loc-grid,.contact-grid{grid-template-columns:1fr;gap:32px}
  .hero{min-height:auto;padding:110px 0 60px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:22px}
  .section{padding:64px 0}
}
@media (max-width:560px){
  .card-grid,.prod-grid,.gallery,.form-row{grid-template-columns:1fr}
  .gal-lg{grid-column:span 1}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .container{padding:0 18px}
  .contact-form,.contact-info,.loc-card{padding:24px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}