:root{
    --ink:#14181C;
    --steel:#2B3A45;
    --steel-light:#4C6272;
    --paper:#F2F0EB;
    --paper-dim:#E6E2D8;
    --signal:#D9530F;
    --signal-dim:#B5450C;
    --line:rgba(20,24,28,0.14);
    --line-on-dark:rgba(242,240,235,0.16);
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:'Inter',sans-serif;
    font-size:16px;
    line-height:1.55;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,.disp{
    font-family:'Barlow Condensed',sans-serif;
    font-weight:700;
    letter-spacing:0.01em;
    line-height:1.02;
    margin:0;
  }
  .mono{font-family:'IBM Plex Mono',monospace;}
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  .wrap{max-width:1180px;margin:0 auto;padding:0 24px;}
  .photo-slot{
    position:relative;
    background:
      repeating-linear-gradient(135deg, var(--steel-light) 0 2px, transparent 2px 14px),
      var(--steel);
    color:var(--paper);
    display:flex;align-items:center;justify-content:center;
    text-align:center;
    border:1px solid var(--line-on-dark);
    min-height:220px;
  }
  .photo-slot span{
    font-family:'IBM Plex Mono',monospace;
    font-size:12px;
    letter-spacing:0.04em;
    background:rgba(20,24,28,0.55);
    padding:8px 14px;
    border:1px solid rgba(242,240,235,0.35);
  }

  /* ===== Header ===== */
  header{
    position:sticky;top:0;z-index:50;
    background:var(--paper);
    border-bottom:1px solid var(--line);
  }
  .nav{display:flex;align-items:center;justify-content:space-between;padding:16px 0;}
  .logo{font-family:'Barlow Condensed',sans-serif;font-weight:800;font-size:24px;letter-spacing:0.02em;}
  .logo b{color:var(--signal);}
  .nav-links{display:flex;gap:28px;font-size:14.5px;font-weight:500;}
  .nav-links a{opacity:0.8;transition:opacity .15s;}
  .nav-links a:hover{opacity:1;}
  .nav-cta{
    background:var(--ink);color:var(--paper);
    padding:10px 18px;font-size:14px;font-weight:600;
    border:1px solid var(--ink);
  }
  .nav-cta:hover{background:var(--signal);border-color:var(--signal);}
  .menu-btn{display:none;background:none;border:none;font-size:26px;cursor:pointer;color:var(--ink);}

  /* ===== Hero ===== */
  .hero{
    display:grid;grid-template-columns:1.1fr 0.9fr;gap:48px;
    padding:64px 0 56px;align-items:center;
  }
  .kicker{
    font-family:'IBM Plex Mono',monospace;font-size:12.5px;
    color:var(--signal-dim);letter-spacing:0.02em;margin-bottom:18px;
    display:flex;align-items:center;gap:10px;
  }
  .kicker .dash{width:28px;height:1px;background:var(--signal-dim);display:inline-block;}
  .hero h1{font-size:clamp(40px,5.6vw,64px);}
  .hero h1 em{font-style:normal;color:var(--signal);}
  .hero p.lead{font-size:18px;max-width:46ch;margin-top:20px;color:var(--steel);}
  .hero-ctas{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
  .btn-primary{
    background:var(--signal);color:var(--paper);padding:14px 26px;
    font-weight:600;font-size:15px;border:1px solid var(--signal);
  }
  .btn-primary:hover{background:var(--signal-dim);}
  .btn-ghost{
    padding:14px 26px;font-weight:600;font-size:15px;
    border:1px solid var(--ink);
  }
  .btn-ghost:hover{background:var(--ink);color:var(--paper);}
  .hero-photo{height:100%;min-height:380px;}

  /* stat strip under hero */
  .stat-strip{
    border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    background:var(--paper-dim);
  }
  .stat-strip .wrap{display:grid;grid-template-columns:repeat(4,1fr);}
  .stat{
    padding:26px 20px;text-align:left;
    border-left:1px solid var(--line);
  }
  .stat:first-child{border-left:none;}
  .stat b{font-family:'Barlow Condensed',sans-serif;font-weight:800;font-size:38px;color:var(--ink);display:block;}
  .stat span{font-size:13px;color:var(--steel);}

  /* ===== Section shell ===== */
  section{padding:76px 0;}
  .section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
  .section-head h2{font-size:clamp(30px,3.6vw,42px);max-width:16ch;}
  .section-head p{max-width:38ch;color:var(--steel);font-size:15px;}
  .num{font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--signal-dim);}

  /* ===== Heritage / About ===== */
  .heritage{background:var(--ink);color:var(--paper);}
  .heritage .section-head p{color:rgba(242,240,235,0.7);}
  .heritage-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
  .heritage p.body{color:rgba(242,240,235,0.82);font-size:16px;max-width:52ch;}
  .heritage .photo-slot{border-color:var(--line-on-dark);}
  .timeline{margin-top:28px;border-top:1px solid var(--line-on-dark);}
  .timeline div{display:flex;gap:20px;padding:14px 0;border-bottom:1px solid var(--line-on-dark);font-size:14.5px;}
  .timeline div b{font-family:'IBM Plex Mono',monospace;color:var(--signal);width:70px;flex-shrink:0;}

  /* ===== Industries ===== */
  .ind-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
  .ind-card{background:var(--paper);padding:30px 26px;min-height:210px;display:flex;flex-direction:column;justify-content:space-between;}
  .ind-card .num{margin-bottom:26px;}
  .ind-card h3{font-size:23px;margin-bottom:8px;}
  .ind-card p{font-size:14px;color:var(--steel);margin:0;}

  /* ===== Products ===== */
  .prod-row{
    display:grid;grid-template-columns:0.9fr 1.4fr;gap:0;
    border:1px solid var(--line);margin-bottom:-1px;
  }
  .prod-row .photo-slot{min-height:200px;border:none;border-right:1px solid var(--line-on-dark);}
  .prod-info{padding:28px 30px;display:flex;flex-direction:column;justify-content:center;background:var(--paper);}
  .prod-info .tag{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--signal-dim);margin-bottom:10px;}
  .prod-info h3{font-size:26px;margin-bottom:8px;}
  .prod-info p{font-size:14.5px;color:var(--steel);margin:0 0 14px;max-width:54ch;}
  .prod-info a.link{font-size:13.5px;font-weight:600;border-bottom:1px solid var(--ink);width:fit-content;}
  .prod-info a.link:hover{color:var(--signal);border-color:var(--signal);}

  /* ===== Technology ===== */
  .tech-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
  .flag-row{display:flex;gap:10px;align-items:center;margin-bottom:18px;}
  .flag-chip{
    font-family:'IBM Plex Mono',monospace;font-size:11.5px;
    border:1px solid var(--line);padding:5px 10px;color:var(--steel);
  }
  .tech-list{margin-top:22px;border-top:1px solid var(--line);}
  .tech-list div{padding:16px 0;border-bottom:1px solid var(--line);display:flex;gap:16px;}
  .tech-list div .num{flex-shrink:0;width:28px;}
  .tech-list div p{margin:0;font-size:14.5px;color:var(--steel);}
  .tech-list div h4{font-size:16.5px;margin:0 0 4px;font-family:'Inter';font-weight:600;}

  /* ===== Why SidSam comparison ===== */
  .why-table{border:1px solid var(--line);}
  .why-row{display:grid;grid-template-columns:1.4fr 1fr 1fr;border-bottom:1px solid var(--line);}
  .why-row:last-child{border-bottom:none;}
  .why-row > div{padding:18px 22px;font-size:14.5px;display:flex;align-items:center;}
  .why-row.head{background:var(--ink);color:var(--paper);font-family:'Barlow Condensed';font-weight:700;font-size:17px;text-transform:none;}
  .why-row.head > div:first-child{color:rgba(242,240,235,0.55);font-family:'Inter';font-weight:500;font-size:12.5px;}
  .why-row > div:nth-child(2), .why-row > div:nth-child(3){justify-content:center;text-align:center;}
  .why-row:not(.head) > div:first-child{color:var(--steel);font-weight:500;}
  .why-row:not(.head) .yes{color:var(--signal-dim);font-weight:700;}
  .why-row:not(.head) .no{color:var(--steel-light);}
  .why-row:not(.head){background:var(--paper);}
  .why-cols-label{display:grid;grid-template-columns:1.4fr 1fr 1fr;margin-bottom:2px;}

  /* ===== Global reach ===== */
  .reach-grid{display:grid;grid-template-columns:1.3fr 0.7fr;gap:0;border:1px solid var(--line);}
  .reach-grid .photo-slot{min-height:340px;}
  .reach-list{background:var(--paper);padding:30px;}
  .reach-list div{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid var(--line);font-size:14.5px;}
  .reach-list div:last-child{border-bottom:none;}
  .reach-list div b{font-family:'IBM Plex Mono',monospace;color:var(--signal-dim);}

  /* ===== FAQ ===== */
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    padding:20px 0;display:flex;justify-content:space-between;align-items:center;
    cursor:pointer;font-weight:600;font-size:16px;
  }
  .faq-q .plus{font-family:'IBM Plex Mono',monospace;font-size:18px;color:var(--signal-dim);transition:transform .2s;}
  .faq-item.open .plus{transform:rotate(45deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;font-size:14.5px;color:var(--steel);}
  .faq-item.open .faq-a{max-height:200px;padding-bottom:20px;}

  /* ===== Certs / Trust ===== */
  .trust{background:var(--paper-dim);}
  .cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:44px;}
  .cert-card{background:var(--paper);padding:26px;text-align:left;}
  .cert-card .tag{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--signal-dim);}
  .cert-card h3{font-size:19px;margin:10px 0 6px;}
  .cert-card p{font-size:13.5px;color:var(--steel);margin:0;}
  .logo-strip{
    display:flex;flex-wrap:wrap;gap:14px;
  }
  .logo-slot{
    flex:1 1 130px;height:64px;background:var(--paper);
    border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;
    font-family:'IBM Plex Mono',monospace;font-size:10.5px;color:var(--steel-light);
  }

  /* ===== Testimonials ===== */
  .testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .testi-card{
    background:var(--paper);border:1px solid var(--line);padding:28px;
  }
  .testi-card p.quote{font-size:15.5px;margin:0 0 20px;}
  .testi-card .who{display:flex;justify-content:space-between;font-size:13px;color:var(--steel);border-top:1px solid var(--line);padding-top:14px;}
  .testi-card .who b{color:var(--ink);}

  /* ===== CTA / Contact ===== */
  .cta-band{background:var(--ink);color:var(--paper);}
  .cta-grid{display:grid;grid-template-columns:1.1fr 0.9fr;gap:56px;align-items:center;}
  .cta-grid h2{font-size:clamp(32px,4vw,46px);color:var(--paper);max-width:14ch;}
  .cta-grid p{color:rgba(242,240,235,0.75);max-width:46ch;margin-top:14px;font-size:16px;}
  .contact-card{background:var(--steel);border:1px solid var(--line-on-dark);padding:30px;}
  .contact-card .row{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--line-on-dark);font-size:14.5px;}
  .contact-card .row:last-child{border-bottom:none;}
  .contact-card .row span:first-child{color:rgba(242,240,235,0.6);}
  .contact-card .row a{font-weight:600;}
  .contact-card .row a:hover{color:var(--signal);}

  /* ===== Footer ===== */
  footer{padding:40px 0;border-top:1px solid var(--line);}
  footer .wrap{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--steel);flex-wrap:wrap;gap:12px;}

  /* ===== Wish List widget ===== */
  #wishlist-btn{
    position:fixed;bottom:22px;right:22px;z-index:80;
    background:var(--ink);color:var(--paper);
    width:52px;height:52px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    font-size:22px;cursor:pointer;border:1px solid var(--line-on-dark);
    box-shadow:0 6px 18px rgba(20,24,28,0.25);
  }
  #wishlist-btn:hover{background:var(--signal);}
  #wishlist-panel{
    position:fixed;bottom:84px;right:22px;z-index:80;
    width:300px;max-width:calc(100vw - 44px);
    background:var(--paper);border:1px solid var(--line);
    padding:18px;display:none;
    box-shadow:0 10px 30px rgba(20,24,28,0.2);
  }
  #wishlist-panel.open{display:block;}
  #wishlist-panel h4{font-family:'Barlow Condensed';font-size:19px;margin:0 0 4px;}
  #wishlist-panel p{font-size:12.5px;color:var(--steel);margin:0 0 12px;}
  #wishlist-panel textarea{
    width:100%;min-height:80px;border:1px solid var(--line);
    padding:10px;font-family:'Inter';font-size:13.5px;resize:vertical;margin-bottom:10px;
  }
  #wishlist-panel button.send{
    width:100%;background:var(--ink);color:var(--paper);
    border:none;padding:11px;font-weight:600;font-size:13.5px;cursor:pointer;
  }
  #wishlist-panel button.send:hover{background:var(--signal);}
  #wishlist-list{margin:0 0 12px;padding:0;list-style:none;max-height:110px;overflow-y:auto;}
  #wishlist-list li{font-size:12.5px;padding:6px 0;border-bottom:1px solid var(--line);}

  /* ===== Responsive ===== */
  @media (max-width:860px){
    .nav-links{display:none;}
    .menu-btn{display:block;}
    .hero{grid-template-columns:1fr;padding-top:36px;}
    .hero-photo{min-height:240px;order:-1;}
    .stat-strip .wrap{grid-template-columns:repeat(2,1fr);}
    .stat:nth-child(3){border-left:none;}
    .heritage-grid{grid-template-columns:1fr;}
    .ind-grid{grid-template-columns:1fr 1fr;}
    .prod-row{grid-template-columns:1fr;}
    .cert-grid{grid-template-columns:1fr;}
    .testi-grid{grid-template-columns:1fr;}
    .cta-grid{grid-template-columns:1fr;}
  }

/* ===== Inner page hero ===== */
.page-hero{padding:48px 0 40px;border-bottom:1px solid var(--line);}
.page-hero .crumb{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--steel);margin-bottom:14px;}
.page-hero .crumb a:hover{color:var(--signal-dim);}
.page-hero h1{font-size:clamp(34px,4.4vw,52px);max-width:18ch;}
.page-hero p{font-size:16.5px;color:var(--steel);max-width:56ch;margin-top:16px;}

/* ===== Category grid (products page) ===== */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.cat-card{background:var(--paper);padding:0;}
.cat-card .photo-slot{min-height:150px;border:none;border-bottom:1px solid var(--line-on-dark);}
.cat-card .cat-body{padding:22px 24px;}
.cat-card .tag{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--signal-dim);}
.cat-card h3{font-size:21px;margin:8px 0 6px;}
.cat-card p{font-size:13.5px;color:var(--steel);margin:0 0 12px;}
.cat-card a.link{font-size:13px;font-weight:600;border-bottom:1px solid var(--ink);}
.cat-card a.link:hover{color:var(--signal);border-color:var(--signal);}

/* ===== Spec table (product detail) ===== */
.spec-table{border:1px solid var(--line);margin-top:20px;}
.spec-row{display:flex;border-bottom:1px solid var(--line);font-size:14px;}
.spec-row:last-child{border-bottom:none;}
.spec-row div{padding:13px 20px;}
.spec-row div:first-child{width:42%;color:var(--steel);background:var(--paper-dim);font-weight:500;}
.spec-row div:last-child{flex:1;font-family:'IBM Plex Mono',monospace;font-size:13px;}

/* ===== Industries detail page ===== */
.ind-detail{display:grid;grid-template-columns:0.9fr 1.4fr;border:1px solid var(--line);margin-bottom:-1px;}
.ind-detail .photo-slot{min-height:220px;border:none;border-right:1px solid var(--line-on-dark);}
.ind-detail-info{padding:30px;background:var(--paper);}
.ind-detail-info .tag{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--signal-dim);}
.ind-detail-info h3{font-size:26px;margin:8px 0 10px;}
.ind-detail-info p{font-size:14.5px;color:var(--steel);margin:0 0 12px;max-width:56ch;}
.ind-detail-info ul{margin:0;padding-left:18px;font-size:13.5px;color:var(--steel);}
.ind-detail-info ul li{margin-bottom:4px;}

@media (max-width:860px){
  .cat-grid{grid-template-columns:1fr 1fr;}
  .ind-detail{grid-template-columns:1fr;}
}

/* ===== Real product photos ===== */
.photo-real{
  background:#FFFFFF;
  display:flex;align-items:center;justify-content:center;
  padding:14px;
}
.photo-real img{width:100%;height:100%;object-fit:contain;display:block;}

/* ===== Real environment photos (factory/team, full-bleed cover) ===== */
.photo-env{padding:0;background:var(--steel);overflow:hidden;}
.photo-env img{width:100%;height:100%;object-fit:cover;display:block;}

/* ===== Mobile nav dropdown ===== */
@media (max-width:860px){
  .nav-links{
    display:none;
    position:absolute;top:100%;left:0;right:0;
    background:var(--paper);border-bottom:1px solid var(--line);
    flex-direction:column;gap:0;padding:8px 0;
    box-shadow:0 8px 20px rgba(20,24,28,0.12);
  }
  .nav-links.mobile-open{display:flex;}
  .nav-links a{padding:14px 24px;border-bottom:1px solid var(--line);opacity:1;}
  .nav{position:relative;}
}
.nav-links a.nav-active{color:var(--signal);font-weight:600;}

/* ===== Scroll reveal ===== */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease, transform .5s ease;}
.reveal.revealed{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
}