/* ==========================================================================
   Viseeo Technology Limited — shared stylesheet
   Brand accent: #1d4ed8 (blue) | Logo accent: #D11A1F (red)
   ========================================================================== */

:root{
  --ink:#0f172a;
  --ink-soft:#475569;
  --line:#e2e8f0;
  --bg:#ffffff;
  --bg-soft:#f6f8fb;
  --accent:#1d4ed8;
  --accent-dark:#173db3;
  --accent-soft:#eff4ff;
  --red:#D11A1F;
  --radius:14px;
  --shadow:0 14px 34px rgba(15,23,42,.08);
  --maxw:1140px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","PingFang SC",sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%}
a{color:var(--accent);text-decoration:none}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.tag{
  display:inline-block;color:var(--accent);font-weight:700;font-size:.8rem;
  letter-spacing:2px;text-transform:uppercase;margin-bottom:12px;
}
.lead{color:var(--ink-soft);font-size:1.05rem}

.btn{
  display:inline-block;padding:11px 24px;border-radius:999px;
  background:var(--accent);color:#fff !important;text-decoration:none;
  font-weight:600;font-size:.95rem;transition:background .2s,transform .2s,box-shadow .2s;
  border:0;cursor:pointer;font-family:inherit;
}
.btn:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(29,78,216,.28)}
.btn.ghost{background:transparent;color:var(--ink) !important;border:1.5px solid var(--ink)}
.btn.ghost:hover{background:var(--bg-soft);box-shadow:none}
.btn.small{padding:8px 18px;font-size:.85rem}
.btn.block{display:block;width:100%;text-align:center}

/* ---------------- Header / Navigation ---------------- */
header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.logo{
  display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.2rem;
  letter-spacing:.2px;color:var(--ink);text-decoration:none;line-height:1.2;flex:none;
}
.logo small{
  display:block;font-size:.6rem;font-weight:600;letter-spacing:2px;
  color:var(--ink-soft);text-transform:uppercase;
}
.logo-img{height:42px;width:auto;display:block}

.mainnav{display:flex;align-items:center;gap:6px}
.mainnav > a{
  color:var(--ink-soft);text-decoration:none;font-size:.93rem;
  padding:8px 14px;border-radius:8px;transition:color .2s,background .2s;white-space:nowrap;
}
.mainnav > a:hover{color:var(--accent);background:var(--accent-soft)}
.mainnav > a.active{color:var(--accent);font-weight:600}
.mainnav > a.btn{color:#fff !important;background:var(--accent);margin-left:10px;padding:10px 20px}
.mainnav > a.btn:hover{background:var(--accent-dark)}

/* mobile menu (pure CSS) */
.nav-toggle{display:none}
.nav-toggle-label{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  align-items:center;justify-content:center;cursor:pointer;flex-direction:column;gap:5px;
  background:#fff;flex:none;
}
.nav-toggle-label span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px}

/* ---------------- Page hero (subpages) ---------------- */
.pagehero{
  padding:64px 0 56px;text-align:center;
  background:linear-gradient(180deg,var(--accent-soft),#fff 85%);
  border-bottom:1px solid var(--line);
}
.pagehero h1{font-size:clamp(1.9rem,4vw,2.7rem);font-weight:800;letter-spacing:-.8px;margin-bottom:14px}
.pagehero p{max-width:660px;margin:0 auto;color:var(--ink-soft);font-size:1.06rem}
.crumbs{font-size:.85rem;color:var(--ink-soft);margin-bottom:18px}
.crumbs a{color:var(--ink-soft)}
.crumbs a:hover{color:var(--accent)}

/* ---------------- Sections ---------------- */
section{padding:84px 0}
.sec-head{text-align:center;max-width:680px;margin:0 auto 52px}
.sec-head h2{font-size:clamp(1.6rem,3.2vw,2.2rem);font-weight:800;letter-spacing:-.5px;margin-bottom:14px}
.sec-head.left{text-align:left;margin-left:0}

/* ---------------- SEMA event banner ---------------- */
.event{
  background:linear-gradient(100deg,#D11A1F 0%,#ff6b3d 100%);
  color:#fff;padding:26px 0;
}
.event .ev-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.event .ev-label{
  font-size:.75rem;font-weight:800;letter-spacing:2.4px;text-transform:uppercase;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.35);
  padding:5px 14px;border-radius:999px;display:inline-block;margin-bottom:10px;
}
.event h2{font-size:clamp(1.25rem,2.6vw,1.7rem);font-weight:800;line-height:1.25}
.event p{color:rgba(255,255,255,.92);font-size:.95rem;margin-top:6px}
.event .booth{
  display:inline-flex;align-items:center;gap:10px;
  background:#ffd60a;color:#111;font-weight:800;border-radius:12px;
  padding:12px 22px;box-shadow:0 10px 26px rgba(0,0,0,.18);
  animation:pulse 2.4s ease-in-out infinite;
}
.event .booth small{display:block;font-size:.62rem;letter-spacing:1.6px;font-weight:700;opacity:.75}
.event .booth b{font-size:1.3rem;line-height:1}
@keyframes pulse{
  0%,100%{transform:scale(1);box-shadow:0 10px 26px rgba(0,0,0,.18)}
  50%{transform:scale(1.035);box-shadow:0 14px 32px rgba(0,0,0,.26)}
}

/* ---------------- Home hero ---------------- */
.hero{padding:88px 0 84px;text-align:center;
  background:radial-gradient(1200px 420px at 50% -120px,var(--accent-soft),transparent 70%)}
.hero .eyebrow{
  display:inline-block;padding:6px 16px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent);
  font-size:.82rem;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;
}
.hero h1{font-size:clamp(2.2rem,5vw,3.4rem);line-height:1.18;font-weight:800;margin:22px 0 18px;letter-spacing:-1px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p{max-width:660px;margin:0 auto 34px;color:var(--ink-soft);font-size:1.1rem}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-stats{display:flex;justify-content:center;gap:56px;margin-top:60px;flex-wrap:wrap}
.hero-stats div{text-align:center}
.hero-stats b{display:block;font-size:1.9rem;font-weight:800;color:var(--ink)}
.hero-stats span{color:var(--ink-soft);font-size:.88rem}
.hero-img{
  margin-top:54px;border-radius:18px;overflow:hidden;
  box-shadow:0 24px 60px rgba(15,23,42,.14);border:1px solid var(--line);
}
.hero-img img{display:block;width:100%;height:auto}

/* ---------------- About ---------------- */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.about-list{list-style:none;margin-top:22px}
.about-list li{display:flex;gap:12px;align-items:flex-start;margin-bottom:12px;font-size:.97rem}
.about-list svg{flex:none;margin-top:3px}
.about-visual{
  background:linear-gradient(135deg,#1d4ed8,#0ea5e9);
  border-radius:var(--radius);padding:14px 14px 40px;color:#fff;
}
.about-visual img{width:100%;border-radius:10px;display:block;aspect-ratio:1/1;object-fit:cover}
.about-visual .inner{padding:26px 22px 0}
.about-visual .big{font-size:1.7rem;font-weight:800;line-height:1.2}
.about-visual p{margin-top:14px;color:rgba(255,255,255,.85);font-size:.95rem}
.pill-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}
.pill{
  padding:6px 14px;border-radius:999px;font-size:.8rem;
  background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);
}

/* ---------------- Product cards ---------------- */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 22px 26px;transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
/* Old-site product photos are only ~250–600px wide, so they are shown at natural
   size centred on a light tile — cover-cropping them would upscale and blur. */
.card .thumb{
  height:200px;border-radius:10px;background:var(--bg-soft);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;overflow:hidden;padding:10px;
}
.card .thumb img{max-width:100%;max-height:180px;width:auto;height:auto;object-fit:contain;display:block}
.card h3{font-size:1.05rem;font-weight:700;margin-bottom:8px}
.card p{color:var(--ink-soft);font-size:.9rem;margin-bottom:16px;flex:1}
.card .more{color:var(--accent);font-weight:600;font-size:.88rem}
.card .more:hover{text-decoration:underline}
.card ul{margin:0 0 16px;padding-left:18px;color:var(--ink-soft);font-size:.86rem}
.card ul li{margin-bottom:4px}

/* ---------------- Feature / value grid ---------------- */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feat{
  border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff;
  transition:box-shadow .2s,transform .2s;
}
.feat:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.feat .ic{
  width:42px;height:42px;border-radius:11px;background:var(--accent-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.feat h4{font-size:1rem;font-weight:700;margin-bottom:6px}
.feat p{color:var(--ink-soft);font-size:.88rem}

/* ---------------- Timeline ---------------- */
.timeline{list-style:none;position:relative;padding-left:28px}
.timeline::before{
  content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--line);
}
.timeline li{position:relative;padding-bottom:26px}
.timeline li::before{
  content:"";position:absolute;left:-28px;top:8px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--accent);
}
.timeline b{display:block;color:var(--accent);font-size:.85rem;letter-spacing:1px}
.timeline strong{display:block;font-size:1.05rem;margin:2px 0 4px}
.timeline span{color:var(--ink-soft);font-size:.92rem}

/* ---------------- Split / generic two column ---------------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split img{width:100%;border-radius:var(--radius);display:block;border:1px solid var(--line)}
.checklist{list-style:none;margin-top:20px}
.checklist li{display:flex;gap:12px;align-items:flex-start;margin-bottom:12px;font-size:.97rem}
.checklist svg{flex:none;margin-top:3px}

/* ---------------- Spec table ---------------- */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
table.spec{width:100%;border-collapse:collapse;background:#fff;font-size:.94rem}
table.spec th,table.spec td{padding:13px 18px;text-align:left;border-bottom:1px solid var(--line)}
table.spec thead th{background:var(--bg-soft);font-size:.78rem;letter-spacing:1.4px;text-transform:uppercase;color:var(--ink)}
table.spec tbody tr:last-child td{border-bottom:0}
table.spec td:first-child{font-weight:600;white-space:nowrap}

/* ---------------- Quick links ---------------- */
#links,#home-links{background:var(--bg-soft)}
.link-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.link-col h4{
  font-size:.8rem;text-transform:uppercase;letter-spacing:1.5px;
  color:var(--ink);margin-bottom:16px;font-weight:700;
}
.link-col ul{list-style:none}
.link-col a{
  display:block;color:var(--ink-soft);text-decoration:none;
  font-size:.93rem;padding:6px 0;transition:color .2s;
}
.link-col a:hover{color:var(--accent)}

/* ---------------- Contact form ---------------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field label{display:block;font-size:.84rem;font-weight:600;margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;
  font-family:inherit;font-size:.95rem;background:#fff;color:var(--ink);transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--accent);box-shadow:0 0 0 3px rgba(29,78,216,.12);
}
.field textarea{min-height:130px;resize:vertical}
.field.full{grid-column:1/-1}
.formnote{font-size:.85rem;color:var(--ink-soft);margin-top:12px}

.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.contact-card{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff}
.info-row{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line)}
.info-row:last-child{border-bottom:0}
.info-row .ic{
  width:38px;height:38px;border-radius:10px;background:var(--accent-soft);flex:none;
  display:flex;align-items:center;justify-content:center;
}
.info-row b{display:block;font-size:.76rem;letter-spacing:1.4px;text-transform:uppercase;color:var(--ink-soft);font-weight:700}
.info-row p{font-size:.98rem;font-weight:500}

/* ---------------- CTA strip ---------------- */
.cta-strip{
  background:linear-gradient(120deg,#0f172a,#1d4ed8);color:#fff;text-align:center;
}
.cta-strip h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800;letter-spacing:-.5px;margin-bottom:12px}
.cta-strip p{color:rgba(255,255,255,.85);max-width:620px;margin:0 auto 26px}
.cta-strip .btn{background:#fff;color:var(--ink) !important}
.cta-strip .btn:hover{background:#e8eefc}
.cta-strip .btn.ghost{background:transparent;color:#fff !important;border-color:rgba(255,255,255,.6)}
.cta-strip .btn.ghost:hover{background:rgba(255,255,255,.12)}

/* ---------------- Footer ---------------- */
footer{border-top:1px solid var(--line);padding:36px 0 26px;background:#fff}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:26px}
.foot-brand p{color:var(--ink-soft);font-size:.9rem;margin-top:12px;max-width:300px}
.foot-col h5{
  font-size:.78rem;text-transform:uppercase;letter-spacing:1.5px;
  color:var(--ink);margin-bottom:14px;font-weight:700;
}
.foot-col a{display:block;color:var(--ink-soft);font-size:.9rem;padding:5px 0}
.foot-col a:hover{color:var(--accent)}
.foot-bar{border-top:1px solid var(--line);padding-top:18px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.foot-bar p{color:var(--ink-soft);font-size:.84rem}

/* ---------------- Product detail row ---------------- */
.prow{
  display:grid;grid-template-columns:340px 1fr;gap:40px;align-items:center;
}
.prow .shot{
  border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-soft);
  padding:14px;display:flex;align-items:center;justify-content:center;min-height:230px;
}
.prow .shot img{max-width:100%;max-height:280px;width:auto;height:auto;object-fit:contain;display:block}
.prow .info h3{font-size:clamp(1.3rem,2.6vw,1.75rem);font-weight:800;letter-spacing:-.4px;margin-bottom:6px}
.prow .info .sub{color:var(--accent);font-size:.82rem;font-weight:700;letter-spacing:1.6px;text-transform:uppercase}
.prow .info > p{margin-top:12px}
.models{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.models span{
  font-size:.82rem;font-weight:600;padding:5px 12px;border-radius:7px;
  background:var(--accent-soft);color:var(--accent);border:1px solid #dbe6ff;
}
.models small{
  display:block;font-weight:500;color:var(--ink-soft);font-size:.72rem;margin-top:2px;
}
.prow + .prow{margin-top:56px}
.prow.rev .shot{order:2}
@media (max-width:880px){.prow{grid-template-columns:1fr;gap:24px}.prow.rev .shot{order:0}}

/* ---------------- Language switcher ---------------- */
.lang{display:flex;align-items:center;gap:2px;border:1px solid var(--line);border-radius:999px;padding:3px;flex:none}
.lang button{
  border:0;background:transparent;font:inherit;font-size:.82rem;font-weight:700;
  color:var(--ink-soft);padding:5px 13px;border-radius:999px;cursor:pointer;transition:background .15s,color .15s;
}
.lang button.on{background:var(--accent);color:#fff}
.lang button:not(.on):hover{background:var(--bg-soft)}
[data-en-hidden]{display:none}

/* ---------------- Placeholder marker ---------------- */
/* wrap text still waiting for real data: 【...】 — remove the span once filled in */
.ph{color:#b91c1c;background:#fff5f5;border-bottom:1px dashed #f3b0b0;padding:0 4px;border-radius:3px}

/* ---------------- Responsive ---------------- */
@media (max-width:980px){
  .about-grid,.split,.contact-grid{grid-template-columns:1fr}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .foot-top{grid-template-columns:1fr 1fr}
}
@media (max-width:880px){
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .link-grid{grid-template-columns:repeat(2,1fr)}
  section{padding:64px 0}

  .nav-toggle-label{display:flex}
  .mainnav{
    position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--line);padding:10px 24px 18px;
    box-shadow:0 14px 30px rgba(15,23,42,.10);
    display:none;
  }
  .mainnav > a{padding:12px 6px;border-radius:8px;font-size:1rem}
  .mainnav > a.btn{margin:8px 0 0;text-align:center}
  .nav-toggle:checked ~ .mainnav{display:flex}
  header{position:relative}
}
@media (max-width:560px){
  .prod-grid{grid-template-columns:1fr}
  .feat-grid{grid-template-columns:1fr}
  .foot-top{grid-template-columns:1fr}
  .hero{padding:60px 0 52px}
  .hero-stats{gap:28px}
  .form-grid{grid-template-columns:1fr}
  .event .ev-inner{flex-direction:column;text-align:center;align-items:flex-start}
  .event .booth{width:100%;justify-content:center}
}