:root{
  --bg:#ffffff;
  --surface:#f5f8fb;
  --text:#0e2030;
  --muted:#5c6b7a;
  --primary:#0f6bd6;
  --primary-600:#0c58b3;
  --primary-100:#e7f1ff;
  --line:#e2e8f0;
}
[data-theme="dark"]{
  --bg:#0b1622;
  --surface:#0f1f2d;
  --text:#d7e2ea;
  --muted:#9fb1bf;
  --primary:#0f6bd6;
  --primary-600:#0c58b3;
  --primary-100:#1a2b40;
  --line:#314556;
}
[data-theme="contrast"]{
  --bg:#ffffff;
  --surface:#eaf3ff;
  --text:#0c1b2b;
  --muted:#2f4f6b;
  --primary:#0057d9;
  --primary-600:#0049b6;
  --primary-100:#d8e9ff;
  --line:#c9d8ea;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:1100px;margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}

.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(140%) blur(6px);
  background:rgba(255,255,255,.8);
  border-bottom:1px solid var(--line);
  transition: background .25s ease, border-color .25s ease, box-shadow .25s ease, height .25s ease, transform .3s ease, opacity .25s ease;
  animation: headerIn .5s ease-out both;
}
[data-theme="dark"] .site-header,
[data-theme="contrast"] .site-header {
  background: rgba(0,0,0,.5);
}
.site-header.scrolled{background:var(--bg);border-color:var(--line);box-shadow:0 8px 26px rgba(0,0,0,.08)}
.header-inner{display:grid;grid-template-columns:auto 1fr;align-items:center;height:64px}
.site-header.scrolled .header-inner{height:58px}
.logo{font-weight:700;font-size:1.05rem;color:var(--primary);display:inline-flex;align-items:center;gap:10px}
.brand-img{height:48px;width:auto;display:block}
.site-footer .brand-img{height:40px}
.nav-toggle{display:none;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:8px;padding:8px 12px}
.nav{width:100%}
.nav-menu{display:flex;gap:22px;list-style:none;margin:0;padding:0;align-items:center;justify-content:center;width:100%}
.nav-menu a{position:relative;padding:10px 8px;border-radius:8px;transition:color .2s ease, background .2s ease}
.nav-menu a:hover{background:var(--primary-100);color:var(--primary)}
.nav-menu a::after{content:"";position:absolute;left:10px;right:10px;bottom:6px;height:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu .btn-cta{background:var(--primary);color:#fff;padding:10px 14px;border-radius:10px;box-shadow:0 8px 20px rgba(15,107,214,.25)}
.nav-menu .btn-cta:hover{background:var(--primary-600);transform:translateY(-1px)}
.nav-menu .btn-cta::after{display:none}

.topbar{background:var(--primary-100);border-bottom:1px solid var(--line);font-size:.92rem}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:40px}
.tb-left,.tb-right{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.tb-left a,.tb-right a{color:var(--text)}
.tb-right .theme-toggle{padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--text);font-weight:600}
.btn.small{padding:8px 12px;font-weight:600}
.btn-cta{background:var(--primary);color:#fff;border:0;border-radius:10px;padding:10px 14px;font-weight:700}
.btn-cta:hover{background:var(--primary-600)}

.hero{
  padding:64px 0;
  background: linear-gradient(135deg, var(--primary-100), var(--bg));
  border-bottom:1px solid var(--line);
}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center}
.hero-content .lead{font-size:1.15rem;color:var(--muted)}
.cta-group{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
.btn{display:inline-block;padding:12px 16px;border-radius:10px;border:1px solid transparent;font-weight:600}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-600)}
.btn-secondary{background:var(--surface);border-color:var(--primary);color:var(--primary)}
.btn-secondary:hover{background:var(--primary-100)}
.btn-ghost{border-color:var(--line);background:transparent;color:var(--text)}
.btn-ghost:hover{background:var(--surface)}
.hero-media{border-radius:16px;overflow:hidden;box-shadow:0 8px 28px rgba(0,0,0,.08)}
.hero-tiles{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.hero-tiles img{height:150px;object-fit:cover;border-radius:12px}
.hero-tiles img.large{grid-column:1/-1;height:200px}
.hero-slider{position:relative;border-radius:16px;overflow:hidden;box-shadow:0 8px 28px rgba(0,0,0,.08);background:#000;height:320px}
.slider-viewport{position:relative;height:100%}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .6s ease}
.slide.active{opacity:1}
.slide img{width:100%;height:100%;object-fit:cover}
.slider-prev,.slider-next{position:absolute;top:50%;transform:translateY(-50%);z-index:2;width:40px;height:40px;border-radius:50%;border:0;background:var(--surface);color:var(--text);display:flex;align-items:center;justify-content:center;cursor:pointer}
.slider-prev{left:10px}
.slider-next{right:10px}
.slider-dots{position:absolute;left:0;right:0;bottom:10px;display:flex;gap:6px;justify-content:center;z-index:2}
.slider-dots .dot{width:9px;height:9px;border-radius:50%;border:0;background:rgba(255,255,255,.6);cursor:pointer}
.slider-dots .dot.active{background:#fff}

.section{padding:56px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-header{margin-bottom:20px}
.section-header h2{margin:0 0 6px 0}

.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
.about-media img{border-radius:14px;box-shadow:0 8px 28px rgba(0,0,0,.08)}

.category-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.category-card{border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:12px;padding:18px;text-align:center;display:grid;gap:8px;transition:transform .2s ease, box-shadow .2s ease}
.category-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(0,0,0,.12)}
.category-card span{font-size:28px}

.product-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.product-card{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  box-shadow:0 4px 14px rgba(0,0,0,.04)
}
.product-card:hover{transform:translateY(-6px);box-shadow:0 14px 36px rgba(0,0,0,.12);border-color:#d6e3f5}
.product-card img{height:200px;object-fit:cover;transition:transform .35s ease}
.product-card:hover img{transform:scale(1.06)}
.product-content{padding:16px;display:flex;flex-direction:column;gap:10px}
.pill-list{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.pill-list li{padding:6px 10px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--text);font-size:.9rem}

.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.feature-card{border:1px solid var(--line);background:var(--surface);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease, box-shadow .2s ease}
.feature-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(0,0,0,.12)}
.feature-card img{height:160px;object-fit:cover}
.feature-card .product-content{gap:8px}

.cssd-gradient{background:linear-gradient(135deg,#eef6ff,#ffffff);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.feature-boxes{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.feature-box{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:18px;display:grid;gap:6px}
.feature-box span{font-size:22px}

.feature-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.feature-list.two-col{grid-template-columns:repeat(2,minmax(0,1fr))}

.icon-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.icon-card{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:18px;text-align:center;display:grid;gap:8px}
.icon-card span{font-size:28px}

.banner{border:1px dashed var(--line);background:var(--surface);border-radius:14px;padding:20px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.logo-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.logo-grid .logo-cell{background:var(--surface);border:1px solid var(--line);border-radius:10px;height:56px;display:flex;align-items:center;justify-content:center;color:var(--muted)}

.check-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.check-grid li{position:relative;padding:12px 12px 12px 40px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.check-grid li::before{content:"✔";position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--primary)}

.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
.contact-form{border:1px solid var(--line);background:var(--surface);border-radius:14px;padding:16px;display:grid;gap:12px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-field{display:grid;gap:6px}
label{font-weight:600;color:var(--text)}
input,textarea{width:100%;padding:12px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;background:var(--surface);color:var(--text)}
.map-wrap{margin-top:12px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.map-wrap iframe{width:100%;height:260px;border:0}
.details-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}

.site-footer{background:var(--surface);color:var(--text);padding:32px 0 0;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:20px}
.foot-col h4{margin:0 0 10px;color:var(--text)}
.link-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.socials{display:flex;gap:8px;margin-top:10px}
.socials a{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:1px solid var(--line);border-radius:10px;color:var(--text)}
.footer-bottom{border-top:1px solid var(--line);margin-top:22px;padding:14px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--muted)}

.chatbot-launcher{position:fixed;right:20px;bottom:20px;z-index:60;width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;border:0;box-shadow:0 10px 30px rgba(15,107,214,.4);cursor:pointer;transition:transform .15s ease, box-shadow .2s ease}
.chatbot-launcher:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(15,107,214,.5)}
.chatbot-panel{position:fixed;right:20px;bottom:90px;z-index:60;width:340px;max-width:92vw;background:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:16px;box-shadow:0 18px 50px rgba(0,0,0,.18);display:none;overflow:hidden}
.chatbot-panel.open{display:grid;grid-template-rows:auto 1fr auto}
.chatbot-header{display:flex;align-items:center;justify-content:space-between;padding:12px;border-bottom:1px solid var(--line);background:var(--surface)}
.chatbot-header .title{display:flex;align-items:center;gap:8px;font-weight:700}
.chatbot-header img{height:20px;width:auto}
.chatbot-messages{padding:12px;display:grid;gap:10px;max-height:360px;overflow:auto}
.chatbot-msg{padding:10px 12px;border-radius:12px;max-width:86%}
.chatbot-msg.user{background:var(--primary);color:#fff;justify-self:end;border-bottom-right-radius:6px}
.chatbot-msg.bot{background:var(--bg);color:var(--text);border:1px solid var(--line);border-bottom-left-radius:6px}
.chatbot-input{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line);background:var(--surface)}
.chatbot-input input{flex:1;padding:12px;border:1px solid var(--line);border-radius:10px;font:inherit;background:var(--surface);color:var(--text)}
.chatbot-input button{padding:12px 14px;border-radius:10px;border:0;background:var(--primary);color:#fff;font-weight:600}

@media (max-width: 980px){
  .hero-inner{grid-template-columns:1fr}
  .hero-slider{height:260px}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .feature-boxes{grid-template-columns:repeat(2,1fr)}
  .icon-grid{grid-template-columns:repeat(3,1fr)}
  .category-grid{grid-template-columns:repeat(3,1fr)}
  .two-col{grid-template-columns:1fr}
  .check-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 700px){
  .nav-toggle{display:inline-block}
  .nav-menu{display:none;position:absolute;right:20px;top:64px;background:var(--surface);border:1px solid var(--line);border-radius:12px;flex-direction:column;padding:8px;min-width:220px;box-shadow:0 6px 20px rgba(0,0,0,.08)}
.nav-menu.open{display:flex;animation: menuIn .18s ease-out both}
  .product-grid{grid-template-columns:1fr}
  .hero-slider{height:220px}
  .card-grid{grid-template-columns:1fr}
  .feature-boxes{grid-template-columns:1fr}
  .category-grid{grid-template-columns:repeat(2,1fr)}
  .feature-list.two-col{grid-template-columns:1fr}
  .icon-grid{grid-template-columns:repeat(2,1fr)}
  .check-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}
@keyframes headerIn{
  from{transform:translateY(-14px);opacity:0}
  to{transform:translateY(0);opacity:1}
}
@keyframes menuIn{
  from{transform:translateY(-6px);opacity:0}
  to{transform:translateY(0);opacity:1}
}