/* ===== MANI4.COM - Industrial Parts Store ===== */
:root{
  --brand:#c8102e;        /* RS-style red */
  --brand-dark:#9c0c23;
  --ink:#1a1f29;
  --muted:#5b6573;
  --line:#e3e7ee;
  --bg:#f5f7fa;
  --card:#ffffff;
  --ok:#16895a;
  --warn:#d97706;
  --radius:8px;
  --shadow:0 1px 3px rgba(16,24,40,.06),0 1px 2px rgba(16,24,40,.04);
  --shadow-md:0 6px 18px rgba(16,24,40,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Sarabun","Segoe UI",system-ui,-apple-system,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.55;font-size:15px;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1240px;margin:0 auto;padding:0 18px}
.btn{
  display:inline-flex;align-items:center;gap:8px;border:none;cursor:pointer;
  background:var(--brand);color:#fff;padding:10px 18px;border-radius:8px;
  font-weight:600;font-size:14px;transition:.15s;font-family:inherit;
}
.btn:hover{background:var(--brand-dark)}
.btn.outline{background:#fff;color:var(--brand);border:1.5px solid var(--brand)}
.btn.outline:hover{background:#fff5f6}
.btn.sm{padding:7px 12px;font-size:13px}
.btn.block{width:100%;justify-content:center}

/* ===== Top bar ===== */
.topbar{background:var(--ink);color:#cdd4df;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar a:hover{color:#fff}
.topbar .tb-right{display:flex;gap:18px}

/* ===== Header ===== */
.header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header .container{display:flex;align-items:center;gap:22px;height:74px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:24px;letter-spacing:-.5px}
.logo .mark{background:var(--brand);color:#fff;border-radius:7px;padding:4px 9px;font-size:20px}
.logo .tld{color:var(--brand)}
.search{flex:1;display:flex;max-width:680px}
.search input{
  flex:1;border:1.5px solid var(--line);border-right:none;
  border-radius:8px 0 0 8px;padding:11px 14px;font-size:14px;font-family:inherit;outline:none;
}
.search input:focus{border-color:var(--brand)}
.search button{border-radius:0 8px 8px 0;padding:0 18px}
.header-actions{display:flex;align-items:center;gap:18px;margin-left:auto;font-size:13px;color:var(--muted)}
.header-actions .ha{display:flex;flex-direction:column;line-height:1.2;cursor:pointer}
.header-actions .ha b{color:var(--ink);font-size:14px}
.cart-pill{position:relative}
.cart-pill .count{
  position:absolute;top:-8px;right:-10px;background:var(--brand);color:#fff;
  border-radius:50%;min-width:18px;height:18px;font-size:11px;display:flex;
  align-items:center;justify-content:center;padding:0 4px;font-weight:700;
}

/* ===== Nav ===== */
.nav{background:#fff;border-bottom:1px solid var(--line)}
.nav .container{display:flex;gap:4px;flex-wrap:wrap}
.nav a{padding:12px 14px;font-size:14px;font-weight:600;color:var(--muted);border-bottom:3px solid transparent}
.nav a:hover,.nav a.active{color:var(--brand);border-color:var(--brand)}

/* ===== Hero ===== */
.hero{background:linear-gradient(110deg,#11203a,#1d3a66);color:#fff}
.hero .container{display:grid;grid-template-columns:1.2fr 1fr;gap:30px;align-items:center;padding:46px 18px}
.hero h1{font-size:38px;line-height:1.15;margin-bottom:14px;letter-spacing:-.5px}
.hero p{color:#c7d4e8;font-size:17px;margin-bottom:22px;max-width:520px}
.hero .stats{display:flex;gap:30px;margin-top:26px}
.hero .stats .s b{font-size:26px;display:block}
.hero .stats .s span{color:#9fb3d1;font-size:13px}
.hero-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:14px;padding:22px;backdrop-filter:blur(4px)}
.hero-card h3{margin-bottom:14px;font-size:16px}
.hero-card .chip{display:inline-block;background:rgba(255,255,255,.12);border-radius:20px;padding:6px 13px;margin:0 6px 8px 0;font-size:13px}

/* ===== Section ===== */
.section{padding:40px 0}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:20px}
.section-head h2{font-size:24px;letter-spacing:-.3px}
.section-head a{color:var(--brand);font-weight:600;font-size:14px}

/* ===== Category grid ===== */
.cat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.cat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 12px;text-align:center;box-shadow:var(--shadow);transition:.15s}
.cat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#cdd4df}
.cat-card .ico{font-size:30px;margin-bottom:8px}
.cat-card .name{font-weight:600;font-size:13.5px}
.cat-card .cnt{color:var(--muted);font-size:12px;margin-top:2px}

/* ===== Product grid ===== */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.prod-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:.15s}
.prod-card:hover{box-shadow:var(--shadow-md);border-color:#cdd4df}
.prod-thumb{height:160px;display:flex;align-items:center;justify-content:center;font-size:54px;background:#fbfcfe;border-bottom:1px solid var(--line)}
.prod-body{padding:13px 14px;display:flex;flex-direction:column;flex:1}
.prod-brand{color:var(--brand);font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.4px}
.prod-name{font-size:14px;font-weight:600;margin:3px 0 4px;min-height:38px}
.prod-sku{color:var(--muted);font-size:12px}
.prod-meta{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:10px}
.prod-price{font-size:18px;font-weight:800}
.prod-price small{font-size:11px;color:var(--muted);font-weight:500}
.stock{font-size:11.5px;font-weight:600;display:flex;align-items:center;gap:5px}
.stock.in{color:var(--ok)} .stock.low{color:var(--warn)} .stock.out{color:#9aa3b1}
.stock .dot{width:8px;height:8px;border-radius:50%;background:currentColor}
.prod-card .btn{margin-top:11px}

/* ===== Catalog layout ===== */
.catalog{display:grid;grid-template-columns:260px 1fr;gap:24px;padding:26px 0}
.filters{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;height:fit-content;position:sticky;top:90px}
.filters h4{font-size:13px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin:16px 0 8px}
.filters h4:first-child{margin-top:0}
.filters label{display:flex;align-items:center;gap:8px;padding:5px 0;font-size:14px;cursor:pointer}
.filters input[type=range]{width:100%}
.catalog-main .toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap;gap:10px}
.catalog-main .toolbar .count{color:var(--muted);font-size:14px}
.catalog-main select{padding:8px 12px;border:1px solid var(--line);border-radius:8px;font-family:inherit;font-size:14px}
.empty{text-align:center;padding:60px 20px;color:var(--muted)}

/* ===== Breadcrumb ===== */
.crumb{font-size:13px;color:var(--muted);padding:14px 0}
.crumb a:hover{color:var(--brand)}

/* ===== Product detail ===== */
.pdp{display:grid;grid-template-columns:1fr 1fr;gap:34px;padding:20px 0 40px}
.pdp-img{background:#fff;border:1px solid var(--line);border-radius:var(--radius);height:380px;display:flex;align-items:center;justify-content:center;font-size:130px}
.pdp h1{font-size:26px;margin:6px 0 10px}
.pdp .price-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin:18px 0}
.pdp .price-box .p{font-size:30px;font-weight:800}
.spec-table{width:100%;border-collapse:collapse;margin-top:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.spec-table td{padding:10px 14px;border-bottom:1px solid var(--line);font-size:14px}
.spec-table td:first-child{color:var(--muted);width:42%;background:#fbfcfe}
.spec-table tr:last-child td{border-bottom:none}

/* ===== Trust band ===== */
.trust{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust .container{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:24px 18px}
.trust .t{display:flex;gap:12px;align-items:center}
.trust .t .ico{font-size:26px}
.trust .t b{display:block;font-size:14px}
.trust .t span{color:var(--muted);font-size:12.5px}

/* ===== Footer ===== */
.footer{background:var(--ink);color:#aeb7c5;margin-top:40px;font-size:14px}
.footer .container{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding:44px 18px 28px}
.footer h5{color:#fff;font-size:14px;margin-bottom:14px;text-transform:uppercase;letter-spacing:.5px}
.footer a{display:block;padding:4px 0}
.footer a:hover{color:#fff}
.footer .copyright{border-top:1px solid #2a3140;text-align:center;padding:16px;font-size:13px;color:#7d8798}

/* ===== Cart drawer ===== */
.overlay{position:fixed;inset:0;background:rgba(10,15,25,.45);z-index:90;display:none}
.overlay.open{display:block}
.drawer{position:fixed;top:0;right:-420px;width:400px;max-width:90vw;height:100%;background:#fff;z-index:100;box-shadow:-6px 0 24px rgba(0,0,0,.18);transition:right .25s;display:flex;flex-direction:column}
.drawer.open{right:0}
.drawer .dh{padding:18px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.drawer .dh h3{font-size:18px}
.drawer .dh .x{cursor:pointer;font-size:22px;color:var(--muted);background:none;border:none}
.drawer .items{flex:1;overflow:auto;padding:10px 18px}
.cart-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.cart-item .ci-ic{font-size:30px}
.cart-item .ci-info{flex:1}
.cart-item .ci-info b{font-size:14px}
.cart-item .ci-info .sku{color:var(--muted);font-size:12px}
.cart-item .qty{display:flex;align-items:center;gap:8px;margin-top:5px}
.cart-item .qty button{width:24px;height:24px;border:1px solid var(--line);background:#fff;border-radius:6px;cursor:pointer}
.cart-item .rm{color:var(--muted);background:none;border:none;cursor:pointer;font-size:12px}
.drawer .df{padding:18px;border-top:1px solid var(--line)}
.drawer .df .row{display:flex;justify-content:space-between;margin-bottom:6px}
.drawer .df .row.total{font-size:18px;font-weight:800;margin:10px 0 14px}

/* ===== Page header ===== */
.page-hero{background:linear-gradient(110deg,#11203a,#1d3a66);color:#fff;padding:30px 0}
.page-hero h1{font-size:28px}
.page-hero p{color:#c7d4e8;margin-top:6px}

/* contact / about */
.prose{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;max-width:860px}
.prose h2{margin:22px 0 10px;font-size:20px}
.prose h2:first-child{margin-top:0}
.prose p{margin-bottom:12px;color:#36404f}
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.info-card .ico{font-size:26px;margin-bottom:8px}
.form-grid{display:grid;gap:14px;max-width:560px}
.form-grid input,.form-grid textarea{padding:11px 13px;border:1.5px solid var(--line);border-radius:8px;font-family:inherit;font-size:14px}
.form-grid input:focus,.form-grid textarea:focus{border-color:var(--brand);outline:none}

/* toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(120px);background:var(--ink);color:#fff;padding:13px 22px;border-radius:10px;z-index:200;transition:transform .3s;box-shadow:var(--shadow-md);font-size:14px}
.toast.show{transform:translateX(-50%) translateY(0)}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .cat-grid{grid-template-columns:repeat(3,1fr)}
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .hero .container{grid-template-columns:1fr}
  .hero-card{display:none}
}
@media(max-width:768px){
  .header .container{flex-wrap:wrap;height:auto;padding:12px 18px;gap:12px}
  .search{order:3;flex-basis:100%;max-width:none}
  .catalog{grid-template-columns:1fr}
  .filters{position:static}
  .pdp{grid-template-columns:1fr}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .trust .container,.footer .container{grid-template-columns:1fr 1fr}
  .hero h1{font-size:28px}
}