/* === THEME === */
:root{
  --brand:#0b72ff;
  --text:#eaf1ff;
  --muted:#9fb2d8;
  --bg:#0b1220;
  --border:rgba(255,255,255,.14);
  --card:#0f1524;
  --btn:#12192b;
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
a{color:#bcd6ff;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{width:min(100%,1100px);margin-inline:auto;padding-inline:16px}
.flex{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.muted{color:var(--muted);font-size:14px}
.tag{font-size:12px;padding:6px 10px;border:1px solid var(--border);border-radius:999px}
.btn{display:inline-block;padding:12px 14px;border-radius:12px;border:1px solid var(--border);background:var(--btn);color:var(--text)}
.btn.brand{background:var(--brand);color:#fff;border-color:transparent}
.btn.ghost{background:transparent}
.section{padding:28px 0}
h1{font-size:clamp(24px,5.5vw,40px);margin:6px 0}
h2{font-size:clamp(20px,4.5vw,28px);margin:0 0 8px}
.lead{color:var(--muted);margin:0 0 14px}
.card{border:1px solid var(--border);border-radius:var(--radius);background:var(--card);overflow:hidden}
.body--lock{overflow:hidden} /* modal нээгдсэн үед гүйлгэхгүй */

/* NAV */
.nav{position:sticky;top:0;background:#0b1220;border-bottom:1px solid var(--border);z-index:50}
.nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:56px;padding-block:10px}
.nav img{height:40px;width:auto}
.nav .right{display:flex;align-items:center;gap:10px}
.nav-links{display:none;gap:8px}
#mobileToggle{display:inline-flex}
.mobile-menu{display:none;padding:10px 0}
.mobile-menu a{display:block;padding:12px 0;border-top:1px solid var(--border)}
.nav.is-scrolled{box-shadow:0 8px 24px rgba(0,0,0,.35)}

/* HERO */
.hero{padding:44px 0;background:#0b1220}
.hero-grid{display:grid;gap:16px}
.badges{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.badge{background:rgba(255,255,255,.08);padding:6px 10px;border-radius:999px;font-size:12px}

/* Services */
.grid-3{display:grid;grid-template-columns:1fr;gap:12px}
.service{border:1px solid var(--border);border-radius:12px;padding:14px;background:var(--card)}

/* KPIs */
.kpis{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.kpi{border:1px solid var(--border);border-radius:12px;padding:12px;text-align:center;background:var(--card)}
.kpi .num{font-weight:700;font-size:clamp(18px,5vw,24px)}
.kpi .label{color:var(--muted);font-size:12px}

/* Catalog */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 14px}
.chip{padding:8px 12px;border-radius:999px;border:1px solid var(--border);background:transparent;color:var(--text);cursor:pointer}
.chip.is-active{background:var(--brand);color:#fff;border-color:transparent}

/* Products grid */
.products{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:6px}
@media(min-width:900px){.products{grid-template-columns:repeat(3,1fr)}}
.products[hidden]{display:none !important}
.product{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--card);display:flex;flex-direction:column}
.product img{aspect-ratio:4/3;object-fit:cover;cursor:zoom-in}
.product .p-body{padding:10px;display:flex;flex-direction:column;gap:8px}
.p-title{font-weight:600}
.p-meta{font-size:12px;color:var(--muted)}
.p-actions{display:flex;gap:8px;justify-content:space-between;align-items:center}

/* ==== Category grid (homepage) ==== */
.catbar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:8px 0 14px}
.catbar .muted{font-size:13px}
.cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:6px}
@media(min-width:900px){.cat-grid{grid-template-columns:repeat(3,1fr)}}
.cat-card{
  border:1px solid var(--border);
  border-radius:12px;
  overflow:hidden;
  background:var(--card);
  cursor:pointer;
  transition:transform .15s, box-shadow .15s;
}
.cat-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.25)}
.cat-img-wrap{aspect-ratio:4/3;background:#0b1220}
.cat-img-wrap img{width:100%;height:100%;object-fit:cover}
.cat-title{padding:10px;font-weight:600}

/* Gallery */
.gallery{display:grid;grid-template-columns:1fr 1fr;gap:8px}
@media(min-width:900px){.gallery{grid-template-columns:repeat(3,1fr)}}
.gallery img{width:100%;border-radius:10px;border:1px solid rgba(255,255,255,.12);aspect-ratio:4/3;object-fit:cover}

/* Contact */
.input{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;font:inherit;background:var(--card);color:var(--text)}
.input::placeholder{color:var(--muted)}
.input:not(:last-child){margin-bottom:10px}
.notice{font-size:12px;color:var(--muted);margin:6px 0 12px}
.contact{display:grid;gap:12px}
.map{width:100%;height:280px;border-top-left-radius:12px;border-top-right-radius:12px;overflow:hidden}

/* Footer */
.footer{border-top:1px solid var(--border);padding:18px 0;background:#0b1220}

/* Quote Drawer */
#quoteDrawer{position:fixed;right:16px;bottom:80px;width:min(420px,92vw);max-height:70vh;display:none;flex-direction:column;border:1px solid var(--border);background:var(--card);border-radius:14px;box-shadow:0 20px 60px rgba(0,0,0,.35);z-index:60}
#quoteDrawer[aria-hidden="false"]{display:flex}
.qd-head,.qd-foot{display:flex;justify-content:space-between;align-items:center;padding:10px;border-bottom:1px solid var(--border)}
.qd-foot{border-top:1px solid var(--border);border-bottom:0}
.qd-items{padding:10px;display:flex;flex-direction:column;gap:8px;overflow:auto}
.qd-item{display:flex;gap:8px;align-items:center;border:1px solid var(--border);border-radius:10px;padding:8px;background:rgba(255,255,255,.02)}
.qd-item img{width:64px;height:48px;object-fit:cover;border-radius:8px}

/* Floating Action Button */
.fab{position:fixed;right:16px;bottom:16px;padding:12px 16px;border-radius:999px;background:var(--brand);color:#fff;border:0;box-shadow:0 10px 25px rgba(11,114,255,.35);z-index:55}

/* Accessibility */
.anchor-offset{scroll-margin-top:72px}
a:focus,button:focus,.btn:focus,.input:focus{outline:2px solid var(--brand);outline-offset:2px}

/* Breakpoints */
@media (min-width:768px){
  .nav-links{display:flex}
  #mobileToggle{display:none}
  .mobile-menu{display:none !important}
  .hero-grid{grid-template-columns:1.05fr .95fr;align-items:center}
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:1024px){
  .grid-3{grid-template-columns:repeat(3,1fr)}
}

/* === Quote calc enhancements === */
.qd-line-title{font-weight:600}
.qd-line-meta{font-size:12px;color:var(--muted)}
.qd-line-sum{min-width:120px;text-align:right}
.qd-line-actions{display:flex;gap:6px}
.qd-controls{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:8px}
.qd-controls .ctrl{display:flex;flex-direction:column;gap:6px}
.qd-controls input[type="number"]{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:10px;background:var(--card);color:var(--text)}
.qd-sum{display:flex;flex-direction:column;gap:6px;margin-top:10px}
.qd-sum > div{display:flex;justify-content:space-between;align-items:center}
.qd-grand{margin-top:8px;padding-top:8px;border-top:1px solid var(--border);font-size:16px;font-weight:700}

/* ==================================================
   PRODUCT MODAL (Gallery + Details) — MOBILE FIXED
   ================================================== */
.prd-modal.hidden{display:none}
.prd-modal{position:fixed;inset:0;z-index:1000}
.prd-modal__backdrop{position:absolute;inset:0;background:rgba(0,0,0,.6)}

.prd-modal__panel{
  position:relative;z-index:1;max-width:1080px;margin:4vh auto;
  background:var(--card);color:var(--text);
  border:1px solid var(--border);border-radius:16px;box-shadow:0 10px 40px rgba(0,0,0,.5);
  padding:16px;
  max-height:92dvh; /* мобайл дээр дотор гүйлгэнэ */
  overflow:auto;
  overscroll-behavior:contain;
  -webkit-overflow-scrolling:touch;
}

/* Close button — илүү том, тод, хамгийн дээр */
.prd-modal__close{
  position:absolute;top:8px;right:10px;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(11,18,32,.9);
  color:#fff;
  font-size:26px;line-height:44px;text-align:center;
  cursor:pointer;
  z-index:5; /* зураг, сумнаас дээгүүр */
  box-shadow:0 8px 20px rgba(0,0,0,.45);
}

/* Grid */
.prd-modal__grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}
@media (max-width:768px){
  .prd-modal__grid{grid-template-columns:1fr}
  .prd-modal__stage img{max-height:40vh;object-fit:contain}
}

/* Stage (image) */
.prd-modal__stage{
  position:relative;border:1px solid rgba(255,255,255,.12);
  border-radius:12px;overflow:hidden;background:#0b1220;
}
.prd-modal__stage img{display:block;width:100%;height:auto;max-height:64vh;object-fit:contain}

/* Prev/Next — том tap target + өндөр контраст */
.prd-modal__nav{
  position:absolute;top:50%;transform:translateY(-50%);
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  background:rgba(11,18,32,.85);
  color:#fff;
  border:1px solid rgba(255,255,255,.18);
  border-radius:12px;cursor:pointer;opacity:.95;
  box-shadow:0 8px 20px rgba(0,0,0,.35);
  z-index:4; /* зурагнаас дээгүүр, close-оос доор */
}
.prd-prev{left:10px}
.prd-next{right:10px}
@media (max-width:480px){
  .prd-modal__nav{width:48px;height:48px}
  .prd-prev{left:12px}
  .prd-next{right:12px}
}

/* Thumbs */
.prd-modal__thumbs{display:flex;gap:8px;margin-top:10px;overflow-x:auto}
.prd-modal__thumbs button{
  border:1px solid var(--border);background:var(--btn);padding:0;border-radius:10px;cursor:pointer
}
.prd-modal__thumbs img{display:block;width:80px;height:64px;object-fit:cover;border-radius:10px}
.prd-modal__thumbs button.is-active{outline:2px solid var(--brand)}

/* Texts */
.prd-modal__title{font-size:20px;margin:4px 0 8px}
.prd-modal__price{font-size:18px;color:var(--muted);margin-bottom:10px}
.prd-modal__desc{font-size:14px;color:#cdd7ef;line-height:1.5;white-space:pre-wrap}

/* Meta + list */
.prd-modal__meta{margin:6px 0 10px;display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:14px}
.prd-modal__meta .tag{border:1px solid var(--border);padding:4px 8px;border-radius:999px}
.prd-modal__list{margin:10px 0 0 18px}
.prd-modal__list li{margin:4px 0}

/* Actions */
.prd-modal__actions{display:flex;gap:8px;margin-top:10px}
.btn--brand{background:var(--brand);border-color:transparent;color:#fff}

/* Variants + Addons + Total */
.prd-modal__variants,
.prd-modal__addons,
.prd-modal__total{margin:12px 0;padding:10px;border:1px solid var(--border);border-radius:12px;background:rgba(255,255,255,.02)}
.prd-modal__variants h4,
.prd-modal__addons h4,
.prd-modal__total h4{margin:0 0 8px;font-size:14px;color:#cfd9ff}
.variant{display:flex;flex-direction:column;gap:8px}
.p-variant-select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--card);color:var(--text);font:inherit}
.addon{display:flex;align-items:center;gap:10px;margin:6px 0}
.addon input[type="checkbox"]{width:18px;height:18px;accent-color:var(--brand)}
.addon .addon-title{flex:1}
.addon .addon-price{font-weight:600;color:#d6e3ff}
.prd-modal__total .price-row{display:flex;justify-content:space-between;align-items:center;margin:6px 0}
.prd-modal__total .price-row strong{font-size:16px}
.prd-modal__total .muted{font-size:12px}

/* Extra tweaks */
#productGrid{scroll-margin-top:72px}