/* =========================================================
   FOG'S AIRCON CATALOG — PREMIUM BRAND / CATEGORY UI
   Visual layer only. Firestore / Cloudinary logic untouched.
========================================================= */

.aircon-catalog-section{
  position:relative;
  overflow:hidden;
  padding:54px 0 62px !important;
  background:
    radial-gradient(circle at 10% 0%, rgba(25,168,255,.12), transparent 32%),
    radial-gradient(circle at 90% 20%, rgba(11,127,229,.10), transparent 34%),
    #031c34 !important;
}
.aircon-catalog-section::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(255,255,255,.24),transparent 35%);
}
.aircon-catalog-head{
  position:relative;
  z-index:1;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:24px;
}
.aircon-catalog-kicker{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 11px;
  border-radius:999px;
  background:rgba(11,159,232,.10);
  color:#087fe5;
  font-size:9px;
  font-weight:800;
  letter-spacing:1.4px;
}
.aircon-catalog-head h2{
  margin:8px 0 5px;
  color:#fff;
  font-size:clamp(24px,4vw,36px);
  line-height:1.05;
  letter-spacing:-.7px;
}
.aircon-catalog-head p{
  margin:0;
  color:rgba(255,255,255,.76);
  font-size:12px;
  line-height:1.65;
  max-width:680px;
}
.aircon-view-all{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:42px;
  padding:0 16px;
  border-radius:12px;
  text-decoration:none;
  background:linear-gradient(135deg,#0b9fe8,#0875c9);
  color:#fff !important;
  font-size:10px;
  font-weight:800;
  box-shadow:0 10px 24px rgba(8,127,229,.22);
  transition:.25s ease;
}
.aircon-view-all:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(8,127,229,.30)}

.aircon-brand-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:13px;
}
.aircon-brand-button{
  position:relative;
  min-width:0;
  min-height:178px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:space-between;
  padding:13px 12px 11px;
  text-decoration:none;
  color:var(--text,#10283d);
  border:1px solid rgba(15,61,88,.10);
  border-radius:19px;
  background:linear-gradient(180deg,#fff,#f7fbfe);
  box-shadow:0 9px 26px rgba(3,30,48,.07);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.aircon-brand-button::before{
  content:"";
  position:absolute;
  width:130px;height:130px;
  border-radius:50%;
  right:-70px;top:-75px;
  background:rgba(25,168,255,.10);
}
.aircon-brand-button:hover{
  transform:translateY(-5px);
  border-color:rgba(25,168,255,.52);
  box-shadow:0 18px 38px rgba(3,40,64,.14);
}
.aircon-brand-top{
  position:relative;
  z-index:1;
  width:100%;
  min-height:32px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.aircon-brand-logo{
  width:min(132px,100%);
  height:33px;
  object-fit:contain;
  display:block;
}
.aircon-brand-word{
  font-size:18px;
  font-weight:900;
  letter-spacing:.2px;
  color:#173a59;
}
.aircon-brand-ac{
  position:relative;
  z-index:1;
  width:100%;
  height:72px;
  margin-top:5px;
  border-radius:12px;
  overflow:hidden;
  background:#edf5fa;
  border:1px solid #dce9f1;
}
.aircon-brand-ac img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center 55%;
  display:block;
  filter:saturate(.92);
  transition:transform .35s ease;
}
.aircon-brand-button:hover .aircon-brand-ac img{transform:scale(1.06)}
.aircon-brand-bottom{
  position:relative;
  z-index:1;
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:7px;
  margin-top:8px;
}
.aircon-brand-bottom strong{
  font-size:10px;
  font-weight:800;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.aircon-brand-bottom span{
  flex:0 0 auto;
  display:grid;
  place-items:center;
  width:25px;height:25px;
  border-radius:8px;
  background:#e7f6ff;
  color:#087fe5;
  font-size:9px;
}
.aircon-category-strip{
  position:relative;
  z-index:1;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:18px;
}
.aircon-category-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  min-height:34px;
  padding:0 11px;
  border:1px solid rgba(8,127,229,.14);
  border-radius:999px;
  background:rgba(255,255,255,.82);
  color:#31546b;
  text-decoration:none;
  font-size:9px;
  font-weight:800;
  transition:.2s ease;
}
.aircon-category-chip:hover{
  background:#087fe5;
  color:#fff;
  border-color:#087fe5;
}
.aircon-catalog-note{
  position:relative;
  z-index:1;
  margin:18px 0 0;
  font-size:9px;
  color:var(--muted,#687988);
}
body.dark-mode .aircon-catalog-section{
  background:
    radial-gradient(circle at 10% 0%,rgba(33,169,244,.16),transparent 32%),
    radial-gradient(circle at 90% 20%,rgba(8,127,229,.14),transparent 34%),
    #03131f !important;
}
body.dark-mode .aircon-brand-button{
  background:linear-gradient(180deg,#102b3f,#0b2233);
  border-color:rgba(255,255,255,.08);
  box-shadow:0 12px 32px rgba(0,0,0,.24);
  color:#f1f7fb;
}
body.dark-mode .aircon-brand-word{color:#eef8ff}
body.dark-mode .aircon-brand-ac{background:#122f43;border-color:#21455d}
body.dark-mode .aircon-brand-bottom span{background:#123952;color:#62c8ff}
body.dark-mode .aircon-category-chip{background:#0d2537;color:#a9c0cf;border-color:#1e4055}

@media(max-width:1050px){
  .aircon-brand-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media(max-width:820px){
  .aircon-catalog-head{align-items:flex-start;flex-direction:column}
  .aircon-brand-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media(max-width:600px){
  .aircon-catalog-section{padding:40px 0 48px !important}
  .aircon-catalog-head{margin-bottom:18px}
  .aircon-catalog-head h2{font-size:25px}
  .aircon-catalog-head p{font-size:10.5px}
  .aircon-view-all{width:100%}
  .aircon-brand-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
  .aircon-brand-button{min-height:155px;padding:11px 9px 9px;border-radius:15px}
  .aircon-brand-logo{height:28px}
  .aircon-brand-word{font-size:15px}
  .aircon-brand-ac{height:62px;border-radius:10px}
  .aircon-brand-bottom{margin-top:6px}
  .aircon-brand-bottom strong{font-size:8.5px}
  .aircon-brand-bottom span{width:23px;height:23px}
  .aircon-category-chip{font-size:8.5px;min-height:31px}
}


.catalog-brand-links{
  display:flex;flex-wrap:wrap;gap:7px;margin:-5px 0 17px;
}
.catalog-brand-link{
  display:inline-flex;align-items:center;gap:6px;min-height:31px;padding:0 10px;
  border:1px solid var(--cat-border);border-radius:9px;background:var(--cat-card);
  color:var(--cat-muted);text-decoration:none;font-size:8.5px;font-weight:800;
}
.catalog-brand-link:hover{border-color:var(--cat-primary);color:var(--cat-primary)}
.catalog-brand-link.all{background:var(--cat-primary);color:#fff;border-color:var(--cat-primary)}

/* =========================================================
   CATALOG PAGES
========================================================= */
.catalog-page{
  --cat-primary:#0789df;
  --cat-bg:#f5faff;
  --cat-card:#fff;
  --cat-text:#10283d;
  --cat-muted:#64798a;
  --cat-border:#dbe9f2;
  min-height:100vh;
  background:var(--cat-bg);
  color:var(--cat-text);
}
.catalog-page.dark-mode{
  --cat-bg:#06131e;
  --cat-card:#0d2435;
  --cat-text:#f3f8fc;
  --cat-muted:#a5b8c6;
  --cat-border:#1c394d;
}
.catalog-header{
  position:sticky;
  top:0;
  z-index:50;
  min-height:74px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:10px clamp(14px,4vw,42px);
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--cat-border);
  backdrop-filter:blur(14px);
}
.catalog-page.dark-mode .catalog-header{background:rgba(6,19,30,.94)}
.catalog-brand{
  display:flex;
  align-items:center;
  gap:9px;
  color:var(--cat-text);
  text-decoration:none;
}
.catalog-brand img{width:48px;height:48px;object-fit:contain}
.catalog-brand strong{display:block;font-size:13px;line-height:1.15}
.catalog-brand span{display:block;font-size:7px;letter-spacing:.9px;color:var(--cat-muted);font-weight:700;margin-top:3px}
.catalog-header-actions{display:flex;gap:8px;align-items:center}
.catalog-back,.catalog-theme{
  min-height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:7px;
  border:1px solid var(--cat-border);
  border-radius:10px;
  padding:0 11px;
  background:var(--cat-card);
  color:var(--cat-text);
  text-decoration:none;
  font:700 10px Poppins,sans-serif;
  cursor:pointer;
}
.catalog-theme{width:38px;padding:0}
.catalog-hero{
  position:relative;
  overflow:hidden;
  padding:62px 20px 42px;
  background:
    radial-gradient(circle at 15% 20%,rgba(7,137,223,.20),transparent 35%),
    linear-gradient(135deg,#06243a,#0b5c8c 58%,#0b9fe8);
  color:#fff;
}
.catalog-hero::after{
  content:"";
  position:absolute;
  width:380px;height:380px;
  border-radius:50%;
  right:-130px;top:-190px;
  background:rgba(255,255,255,.07);
}
.catalog-hero-inner{position:relative;z-index:1;max-width:1200px;margin:auto}
.catalog-label{
  display:inline-flex;
  gap:7px;
  padding:7px 11px;
  border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.16);
  font-size:9px;font-weight:800;letter-spacing:1.4px
}
.catalog-hero h1{font-size:clamp(28px,5vw,48px);line-height:1.05;margin:13px 0 9px;color:#fff}
.catalog-hero p{max-width:720px;margin:0;color:rgba(255,255,255,.85);font-size:12px;line-height:1.75}
.catalog-hero-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
.catalog-pill{padding:8px 11px;border-radius:10px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.15);font-size:9px}
.catalog-main{max-width:1240px;margin:auto;padding:20px 20px 70px}
.catalog-toolbar{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-bottom:17px;padding:13px 14px;border:1px solid var(--cat-border);
  border-radius:15px;background:var(--cat-card);box-shadow:0 8px 25px rgba(3,30,48,.05)
}
.catalog-filter-wrap{display:flex;gap:7px;flex-wrap:wrap}
.catalog-filter{
  min-height:34px;padding:0 11px;border:1px solid var(--cat-border);border-radius:9px;
  background:var(--cat-card);color:var(--cat-muted);font:700 9px Poppins,sans-serif;cursor:pointer
}
.catalog-filter.active{background:var(--cat-primary);border-color:var(--cat-primary);color:#fff}
.catalog-count{font-size:9px;font-weight:800;color:var(--cat-muted);white-space:nowrap}
.catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.catalog-product{
  overflow:hidden;background:var(--cat-card);border:1px solid var(--cat-border);border-radius:19px;
  box-shadow:0 12px 32px rgba(3,30,48,.07);transition:.25s
}
.catalog-product:hover{transform:translateY(-4px);box-shadow:0 20px 42px rgba(3,40,64,.12)}
.catalog-product-image{height:235px;background:#eaf2f7;position:relative;overflow:hidden}
.catalog-product-image img{width:100%;height:100%;object-fit:cover;display:block}
.catalog-product-badge{position:absolute;top:12px;left:12px;padding:6px 9px;border-radius:999px;background:#0789df;color:#fff;font-size:8px;font-weight:800}
.catalog-product-featured{position:absolute;top:12px;right:12px;padding:6px 9px;border-radius:999px;background:#f59e0b;color:#fff;font-size:8px;font-weight:800}
.catalog-product-body{padding:16px}
.catalog-product-brand{font-size:9px;color:var(--cat-primary);font-weight:800;letter-spacing:1.2px;text-transform:uppercase}
.catalog-product-body h2{font-size:18px;line-height:1.25;margin:5px 0 8px;color:var(--cat-text)}
.catalog-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.catalog-tags span{font-size:8.5px;padding:5px 8px;border-radius:7px;background:rgba(7,137,223,.09);color:var(--cat-primary);font-weight:700}
.catalog-price{font-size:18px;font-weight:900;color:var(--cat-text);margin:7px 0}
.catalog-stock{font-size:9px;color:#16a34a;font-weight:800;margin-bottom:8px}
.catalog-desc{font-size:10.5px;line-height:1.65;color:var(--cat-muted);min-height:36px;margin:0 0 12px}
.catalog-specs{display:grid;gap:6px;list-style:none;padding:0;margin:0 0 15px}
.catalog-specs li{display:flex;gap:6px;color:var(--cat-muted);font-size:9px}
.catalog-specs i{color:var(--cat-primary)}
.catalog-order{
  width:100%;min-height:43px;border:0;border-radius:11px;background:linear-gradient(135deg,#0789df,#0875c9);
  color:#fff;font:800 10px Poppins,sans-serif;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:7px;
  box-shadow:0 8px 18px rgba(7,137,223,.18)
}
.catalog-state{grid-column:1/-1;min-height:230px;border:1px dashed var(--cat-border);border-radius:19px;background:var(--cat-card);display:grid;place-items:center;text-align:center;color:var(--cat-muted);padding:25px}
.catalog-empty-title{display:block;color:var(--cat-text);font-weight:800;margin-top:7px}
.catalog-form-overlay,.catalog-channel-overlay{
  position:fixed;inset:0;z-index:10000;background:rgba(2,13,23,.76);display:none;align-items:center;justify-content:center;padding:14px;backdrop-filter:blur(7px)
}
.catalog-form-overlay.show,.catalog-channel-overlay.show{display:flex}
.catalog-form-card,.catalog-channel-card{
  width:min(620px,100%);max-height:92vh;overflow:auto;background:var(--cat-card);color:var(--cat-text);
  border:1px solid var(--cat-border);border-radius:22px;box-shadow:0 30px 90px rgba(0,0,0,.42)
}
.catalog-form-head,.catalog-channel-head{padding:17px 18px;border-bottom:1px solid var(--cat-border);display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.catalog-form-head small,.catalog-channel-head small{display:block;color:var(--cat-primary);font-size:8px;font-weight:800;letter-spacing:1.2px}
.catalog-form-head h3,.catalog-channel-head h3{margin:4px 0 0;font-size:18px}
.catalog-close{width:36px;height:36px;border:1px solid var(--cat-border);border-radius:9px;background:transparent;color:var(--cat-text);cursor:pointer}
.catalog-selected-unit{display:flex;gap:12px;padding:16px 18px;border-bottom:1px solid var(--cat-border)}
.catalog-selected-unit img{width:90px;height:70px;border-radius:10px;object-fit:cover;background:#eaf2f7}
.catalog-selected-unit strong{display:block;font-size:13px}
.catalog-selected-unit span{display:block;font-size:9px;color:var(--cat-muted);margin-top:3px}
.catalog-form-body{padding:18px}
.catalog-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.catalog-form-grid label{display:flex;flex-direction:column;gap:5px;font-size:9px;font-weight:800}
.catalog-form-grid .full{grid-column:1/-1}
.catalog-form-grid input,.catalog-form-grid textarea{
  width:100%;box-sizing:border-box;border:1px solid var(--cat-border);border-radius:10px;background:var(--cat-bg);color:var(--cat-text);padding:10px 11px;font:inherit
}
.catalog-form-grid textarea{min-height:78px;resize:vertical}
.catalog-error{display:none;margin-top:11px;padding:9px 10px;border-radius:9px;background:rgba(220,53,69,.09);color:#c62828;font-size:9px;font-weight:800}
.catalog-error.show{display:flex;gap:7px}
.catalog-proceed{width:100%;min-height:44px;margin-top:12px;border:0;border-radius:11px;background:var(--cat-primary);color:#fff;font:800 10px Poppins,sans-serif;cursor:pointer}
.catalog-message{white-space:pre-wrap;margin:16px 18px;padding:12px;border:1px solid var(--cat-border);border-radius:11px;background:var(--cat-bg);font-size:9.5px;line-height:1.65;max-height:180px;overflow:auto}
.catalog-channel-options{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;padding:0 18px 14px}
.catalog-channel{
  min-height:76px;padding:9px 5px;border:1px solid var(--cat-border);border-radius:11px;background:var(--cat-card);color:var(--cat-text);text-decoration:none;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;font-size:9px;font-weight:800;text-align:center
}
.catalog-channel i{font-size:18px}
.catalog-channel.messenger i{color:#0084ff}.catalog-channel.viber i{color:#7360f2}.catalog-channel.whatsapp i{color:#25d366}.catalog-channel.telegram i{color:#229ed9}.catalog-channel.sms i{color:#0b9fe8}
.catalog-channel-note{text-align:center;color:var(--cat-muted);font-size:8.5px;padding:0 18px 17px}
@media(max-width:900px){.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){
  .catalog-header{min-height:65px;padding:8px 11px}.catalog-brand img{width:42px;height:42px}.catalog-brand strong{font-size:11px}.catalog-brand span{font-size:6px}.catalog-back{width:38px;padding:0}.catalog-back span{display:none}
  .catalog-hero{padding:44px 16px 34px}.catalog-main{padding:14px 12px 55px}.catalog-toolbar{align-items:flex-start;flex-direction:column}
  .catalog-grid{grid-template-columns:1fr;gap:13px}.catalog-product-image{height:220px}.catalog-form-grid{grid-template-columns:1fr}.catalog-form-grid .full{grid-column:auto}
  .catalog-channel-options{grid-template-columns:repeat(2,1fr)}.catalog-channel-options .catalog-channel:last-child{grid-column:1/-1}
}


/* =========================================================
   FOG'S CATALOG — PREMIUM RESPONSIVE FINISH
   UI-only overrides. Existing data/order logic is preserved.
========================================================= */
.catalog-page{
  --cat-primary:#0a9ff0;
  --cat-primary-2:#0876cf;
  --cat-bg:#f4f9fc;
  --cat-card:#ffffff;
  --cat-text:#10283d;
  --cat-muted:#637b8d;
  --cat-border:#d9e8f1;
  background:
    radial-gradient(circle at 10% 0%,rgba(10,159,240,.055),transparent 28%),
    var(--cat-bg);
}
.catalog-page.dark-mode{
  --cat-bg:#06131e;
  --cat-card:#0d2435;
  --cat-text:#f2f8fc;
  --cat-muted:#9db3c2;
  --cat-border:#1b3a4e;
  background:
    radial-gradient(circle at 10% 0%,rgba(10,159,240,.10),transparent 28%),
    #06131e;
}
.catalog-header{
  min-height:72px;
  border-bottom-color:rgba(10,159,240,.12);
  box-shadow:0 8px 28px rgba(3,30,48,.07);
}
.catalog-brand strong{letter-spacing:-.2px}
.catalog-back,.catalog-theme{
  border-radius:12px;
  box-shadow:0 5px 18px rgba(3,30,48,.06);
}
.catalog-back:hover,.catalog-theme:hover{
  border-color:rgba(10,159,240,.48);
  color:var(--cat-primary);
  transform:translateY(-1px);
}
.catalog-hero{
  padding:42px 20px 34px;
  background:
    radial-gradient(circle at 12% 15%,rgba(70,196,255,.20),transparent 30%),
    radial-gradient(circle at 88% 80%,rgba(255,255,255,.10),transparent 28%),
    linear-gradient(118deg,#06243a 0%,#075b88 56%,#078fd5 100%);
  box-shadow:inset 0 -1px rgba(255,255,255,.10);
}
.catalog-hero-inner{max-width:1120px}
.catalog-label{padding:6px 10px;font-size:8px}
.catalog-hero h1{font-size:clamp(25px,4vw,40px);max-width:760px;margin:11px 0 8px}
.catalog-hero p{max-width:650px;font-size:11px;line-height:1.65}
.catalog-hero-meta{margin-top:15px}
.catalog-pill{padding:7px 10px;font-size:8px;border-radius:9px}
.catalog-main{max-width:1160px;padding:18px 20px 60px}
.catalog-toolbar{
  padding:11px 12px;
  border-radius:14px;
  box-shadow:0 8px 25px rgba(3,30,48,.055);
}
.catalog-brand-menu-wrap{margin:-2px 0 15px}
.catalog-brand-menu-toggle{
  display:none;
  width:100%;
  min-height:42px;
  align-items:center;
  gap:9px;
  padding:0 13px;
  border:1px solid var(--cat-border);
  border-radius:12px;
  background:var(--cat-card);
  color:var(--cat-text);
  font:800 10px Poppins,sans-serif;
  cursor:pointer;
  box-shadow:0 6px 20px rgba(3,30,48,.05);
}
.catalog-brand-menu-toggle .catalog-menu-icon{
  width:28px;height:28px;border-radius:8px;display:grid;place-items:center;
  background:rgba(10,159,240,.10);color:var(--cat-primary);
}
.catalog-menu-chevron{margin-left:auto;transition:transform .2s ease;color:var(--cat-muted)}
.catalog-brand-menu-toggle.is-open .catalog-menu-chevron{transform:rotate(180deg)}
.catalog-brand-links{
  display:flex;
  flex-wrap:wrap;
  gap:7px;
  margin:0;
}
.catalog-brand-link{
  min-height:32px;
  padding:0 11px;
  border-radius:10px;
  box-shadow:0 3px 10px rgba(3,30,48,.035);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease,color .2s ease;
}
.catalog-brand-link:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(10,159,240,.10)}
.catalog-brand-link.all{box-shadow:0 7px 18px rgba(10,159,240,.18)}
.catalog-product{
  border-radius:18px;
  box-shadow:0 10px 28px rgba(3,30,48,.065);
}
.catalog-product:hover{
  transform:translateY(-5px);
  border-color:rgba(10,159,240,.42);
  box-shadow:0 20px 42px rgba(3,40,64,.13);
}
.catalog-product-image{height:220px}
.catalog-product-body{padding:17px}
.catalog-product-body h2{font-size:17px}
.catalog-desc{
  white-space:pre-line;
  overflow-wrap:anywhere;
  min-height:0;
}
.catalog-specs li{overflow-wrap:anywhere}
.catalog-form-overlay,.catalog-channel-overlay{
  align-items:flex-start;
  padding:88px 14px 18px;
  z-index:20000;
}
.catalog-form-card,.catalog-channel-card{
  max-height:calc(100vh - 106px);
  border-radius:20px;
  box-shadow:0 28px 90px rgba(0,0,0,.46);
}
.catalog-form-head,.catalog-channel-head{
  position:sticky;
  top:0;
  z-index:4;
  background:color-mix(in srgb,var(--cat-card) 94%,transparent);
  backdrop-filter:blur(12px);
}
.catalog-error.show{
  position:relative;
  z-index:6;
  box-shadow:0 8px 22px rgba(198,40,40,.10);
}
.catalog-proceed{box-shadow:0 8px 20px rgba(10,159,240,.18)}
.catalog-channel-options .catalog-channel{
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.catalog-channel-options .catalog-channel:hover{
  transform:translateY(-3px);
  border-color:rgba(10,159,240,.45);
  box-shadow:0 10px 24px rgba(3,30,48,.10);
}

/* Mobile: compact hero + hamburger brand browser */
@media(max-width:620px){
  .catalog-header{min-height:64px;padding:7px 10px}
  .catalog-brand img{width:40px;height:40px}
  .catalog-brand strong{font-size:10.5px}
  .catalog-brand span{font-size:5.7px}
  .catalog-brand-menu-wrap{margin:0 0 12px}
  .catalog-brand-menu-toggle{display:flex}
  .catalog-brand-links{
    display:none;
    grid-template-columns:1fr 1fr;
    gap:7px;
    margin-top:7px;
    padding:8px;
    border:1px solid var(--cat-border);
    border-radius:14px;
    background:var(--cat-card);
    box-shadow:0 12px 30px rgba(3,30,48,.10);
    animation:catalogMenuIn .2s ease both;
  }
  .catalog-brand-links.is-open{display:grid}
  .catalog-brand-link{
    justify-content:flex-start;
    min-height:37px;
    padding:0 10px;
    font-size:8px;
  }
  .catalog-hero{
    padding:25px 14px 22px;
  }
  .catalog-hero::after{width:220px;height:220px;right:-105px;top:-115px}
  .catalog-hero h1{font-size:25px;line-height:1.08;margin:9px 0 7px}
  .catalog-hero p{font-size:9.5px;line-height:1.55;max-width:100%}
  .catalog-hero-meta{gap:5px;margin-top:11px}
  .catalog-pill{font-size:7px;padding:6px 7px}
  .catalog-main{padding:12px 10px 45px}
  .catalog-toolbar{padding:10px;border-radius:12px;margin-bottom:11px}
  .catalog-product-image{height:205px}
  .catalog-product-body{padding:14px}
  .catalog-product-body h2{font-size:16px}
  .catalog-desc{font-size:10px;line-height:1.7}
  .catalog-form-overlay,.catalog-channel-overlay{
    padding:73px 9px 10px;
  }
  .catalog-form-card,.catalog-channel-card{
    max-height:calc(100vh - 83px);
    border-radius:17px;
  }
}
@keyframes catalogMenuIn{
  from{opacity:0;transform:translateY(-5px)}
  to{opacity:1;transform:translateY(0)}
}
@media(prefers-reduced-motion:reduce){
  .catalog-brand-links,.catalog-product,.catalog-channel-options .catalog-channel{animation:none;transition:none}
}


/* =========================================================
   AIRCON BRAND BUTTON — SIGNATURE ICE / COOL MIST ANIMATION
========================================================= */
.aircon-brand-button{
  isolation:isolate;
}
.aircon-brand-button::before{
  z-index:0;
  width:190px;height:190px;
  right:-95px;top:-100px;
  background:radial-gradient(circle,rgba(54,198,255,.17) 0%,rgba(54,198,255,.06) 35%,transparent 70%);
  filter:blur(1px);
  animation:brandOrb 5.5s ease-in-out infinite;
}
.aircon-brand-button::after{
  content:"";
  position:absolute;
  z-index:0;
  left:-30%;
  bottom:-34px;
  width:160%;
  height:78px;
  pointer-events:none;
  opacity:.52;
  background:
    radial-gradient(ellipse at 20% 80%,rgba(112,213,255,.22),transparent 43%),
    radial-gradient(ellipse at 50% 45%,rgba(255,255,255,.30),transparent 40%),
    radial-gradient(ellipse at 78% 75%,rgba(79,193,255,.18),transparent 44%);
  filter:blur(10px);
  transform:translateY(16px) scaleX(.92);
  animation:brandMist 4.2s ease-in-out infinite;
}
.aircon-brand-button > *{position:relative;z-index:2}
.aircon-brand-button:hover::after{
  opacity:.78;
  animation-duration:2.7s;
}
.aircon-brand-button:hover::before{
  animation-duration:3.2s;
}
@keyframes brandMist{
  0%,100%{transform:translate3d(-3%,15px,0) scaleX(.92);opacity:.34}
  50%{transform:translate3d(4%,-3px,0) scaleX(1.04);opacity:.68}
}
@keyframes brandOrb{
  0%,100%{transform:scale(.88);opacity:.58}
  50%{transform:scale(1.08);opacity:1}
}
@media(prefers-reduced-motion:reduce){
  .aircon-brand-button::before,
  .aircon-brand-button::after{animation:none}
}


/* ===== HP / PRICE SELECTOR + IMAGE LIGHTBOX ===== */
.catalog-price-options{margin:7px 0 10px}
.catalog-price-options label,.catalog-price-picker label{display:flex;flex-direction:column;gap:5px;font-size:8.5px;font-weight:800;color:var(--cat-muted)}
.catalog-hp-select,.catalog-price-picker select{
  width:100%;min-height:40px;border:1px solid var(--cat-border);border-radius:10px;background:var(--cat-bg);
  color:var(--cat-text);padding:0 9px;font:700 9px Poppins,sans-serif;cursor:pointer
}
.catalog-selected-price{font-size:18px;font-weight:900;color:var(--cat-text);margin-top:7px}
.catalog-price-picker{padding:0 18px 14px}
.preserve-text{white-space:pre-wrap}
.catalog-product-image{cursor:zoom-in}
.catalog-product-image::after{
  content:"\f00e";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:11px;bottom:11px;
  width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:rgba(0,0,0,.62);color:#fff;font-size:11px;pointer-events:none
}
.catalog-lightbox{
  position:fixed;inset:0;z-index:11000;display:none;align-items:center;justify-content:center;padding:18px;
  background:rgba(0,0,0,.92)
}
.catalog-lightbox.show{display:flex}
.catalog-lightbox img{max-width:96vw;max-height:90vh;width:auto;height:auto;object-fit:contain;border-radius:12px;box-shadow:0 25px 90px rgba(0,0,0,.55)}
.catalog-lightbox-close{
  position:absolute;top:18px;right:18px;width:46px;height:46px;border-radius:50%;
  border:1px solid rgba(255,255,255,.35);background:rgba(0,0,0,.45);color:#fff;cursor:pointer;font-size:18px
}
.catalog-lightbox-caption{position:absolute;left:18px;right:18px;bottom:16px;text-align:center;color:#fff;font-size:11px;text-shadow:0 2px 8px #000}