/* kumpoo.css — giao diện shop mới, dựng theo bố cục Kumpoo Canada
   Mọi class đều có tiền tố k- để không đụng với style.css sẵn có. */

:root{
  --k-brand:#D01B2E;
  --k-brand-dark:#A5121F;
  --k-ink:#14161A;
  --k-body:#4A5058;
  --k-mute:#8A9099;
  --k-line:#E4E7EB;
  --k-line-soft:#EFF1F4;
  --k-bg:#FFFFFF;
  --k-bg-alt:#F6F7F9;
  --k-radius:4px;
}

.k-wrap{max-width:1240px;margin:0 auto;padding:0 20px}

.k-sec{padding:60px 0}
.k-sec-tight{padding:34px 0 10px}

h1,h2,.k-card-name,.k-cat-name,.k-btn,.k-hero-eyebrow,.k-card-cat{
  font-family:"Barlow Condensed",Arial,sans-serif}
body{font-family:Barlow,-apple-system,"Segoe UI",Arial,sans-serif}

/* ───────── hero ───────── */
.k-hero{
  background:linear-gradient(135deg,#14161A 0%,#26120F 55%,var(--k-brand-dark) 100%);
  color:#fff;padding:76px 0 84px;position:relative;overflow:hidden}
.k-hero::after{
  content:"";position:absolute;right:-140px;top:-90px;width:520px;height:520px;
  border:70px solid rgba(255,255,255,.045);border-radius:50%}
.k-hero-inner{position:relative;z-index:1}
.k-hero-eyebrow{
  font-size:13px;letter-spacing:.22em;text-transform:uppercase;font-weight:700;
  color:#FF8A96;margin:0 0 16px}
.k-hero h1{
  font-size:clamp(40px,7vw,74px);line-height:.96;font-weight:800;letter-spacing:-.01em;
  margin:0 0 18px;text-transform:uppercase}
.k-hero-sub{font-size:17px;line-height:1.6;color:rgba(255,255,255,.78);max-width:52ch;margin:0 0 28px}
.k-hero-cta{display:flex;gap:12px;flex-wrap:wrap}

.k-btn{
  display:inline-block;background:var(--k-brand);color:#fff;text-decoration:none;
  padding:13px 28px;border-radius:var(--k-radius);font-size:17px;font-weight:700;
  letter-spacing:.04em;text-transform:uppercase;border:2px solid var(--k-brand);
  transition:background .15s,border-color .15s}
.k-btn:hover{background:var(--k-brand-dark);border-color:var(--k-brand-dark)}
.k-btn-ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.k-btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}

/* ───────── lưới danh mục ───────── */
.k-cats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}
.k-cat{
  display:flex;flex-direction:column;gap:3px;padding:26px 20px 22px;text-decoration:none;
  background:var(--k-ink);color:#fff;border-radius:var(--k-radius);
  position:relative;overflow:hidden;isolation:isolate;
  transition:transform .15s}
.k-cat::before{
  content:"";position:absolute;inset:0;z-index:-1;background:var(--k-brand);
  transform:translateY(101%);transition:transform .22s ease}
.k-cat:hover{transform:translateY(-3px)}
.k-cat:hover::before{transform:translateY(0)}
.k-cat-name{
  font-size:30px;font-weight:800;color:#fff;text-transform:uppercase;line-height:.95;
  letter-spacing:-.01em}
.k-cat-blurb{font-size:13px;color:rgba(255,255,255,.62);line-height:1.35}
.k-cat-count{
  font-size:11px;color:rgba(255,255,255,.45);margin-top:10px;
  letter-spacing:.1em;text-transform:uppercase;font-weight:600}

/* ───────── tiêu đề khối ───────── */
.k-sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  border-bottom:2px solid var(--k-ink);padding-bottom:12px;margin-bottom:26px;flex-wrap:wrap}
.k-sec-head h2{
  font-size:clamp(26px,3.4vw,36px);font-weight:800;color:var(--k-ink);margin:0;
  text-transform:uppercase;letter-spacing:-.005em;line-height:1}
.k-sec-head p{margin:6px 0 0;font-size:14px;color:var(--k-body)}
.k-more{
  font-size:14px;font-weight:700;color:var(--k-brand);text-decoration:none;white-space:nowrap;
  text-transform:uppercase;letter-spacing:.06em}
.k-more:hover{text-decoration:underline}
.k-more span{transition:transform .15s;display:inline-block}
.k-more:hover span{transform:translateX(3px)}

/* ───────── thẻ sản phẩm ───────── */
.k-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:20px}
.k-card{
  display:flex;flex-direction:column;text-decoration:none;background:#fff;
  border:1px solid var(--k-line);border-radius:var(--k-radius);overflow:hidden;
  transition:border-color .15s,box-shadow .15s,transform .15s}
.k-card:hover{border-color:var(--k-brand);box-shadow:0 8px 22px -14px rgba(20,22,26,.4);transform:translateY(-2px)}
.k-card-img{position:relative;aspect-ratio:1;background:var(--k-bg-alt);overflow:hidden}
.k-card-img img{width:100%;height:100%;object-fit:contain;display:block;mix-blend-mode:multiply}
.k-badge{
  position:absolute;top:9px;left:9px;background:var(--k-brand);color:#fff;
  font-family:Barlow,Arial,sans-serif;font-size:12px;font-weight:700;
  padding:3px 8px;border-radius:2px;letter-spacing:.02em}
.k-badge-lg{font-size:15px;padding:5px 12px;top:14px;left:14px}
.k-card-body{padding:14px 14px 16px;display:flex;flex-direction:column;gap:5px;flex:1}
.k-card-cat{
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--k-mute);font-weight:700}
.k-card-name{
  font-size:17px;line-height:1.22;font-weight:600;color:var(--k-ink);margin:0;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.k-card-price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;margin-top:4px}
.k-card-price strong{font-size:17px;color:var(--k-brand);font-weight:700}
.k-card-price s{font-size:13px;color:var(--k-mute)}

/* ───────── vì sao mua ───────── */
.k-why{background:var(--k-bg-alt)}
.k-why h2{
  font-size:clamp(24px,3.2vw,32px);text-transform:uppercase;font-weight:800;
  color:var(--k-ink);margin:0 0 24px}
.k-why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:24px}
.k-why-grid strong{
  display:block;font-family:"Barlow Condensed",Arial,sans-serif;font-size:19px;
  color:var(--k-ink);margin-bottom:6px;text-transform:uppercase}
.k-why-grid p{margin:0;font-size:14.5px;line-height:1.55;color:var(--k-body)}

/* ───────── shop ───────── */
.k-shop-head{background:var(--k-ink);color:#fff;padding:44px 0}
.k-shop-head h1{
  font-size:clamp(30px,4.6vw,44px);text-transform:uppercase;font-weight:800;margin:0 0 8px}
.k-shop-head p{margin:0;color:rgba(255,255,255,.7);font-size:15px}

.k-shop{display:grid;grid-template-columns:236px 1fr;gap:34px;padding-top:32px;padding-bottom:70px;align-items:start}
.k-filters{position:sticky;top:16px;display:flex;flex-direction:column;gap:22px}
.k-facet h4{
  font-family:"Barlow Condensed",Arial,sans-serif;font-size:15px;text-transform:uppercase;
  letter-spacing:.08em;color:var(--k-ink);margin:0 0 9px;padding-bottom:7px;
  border-bottom:1px solid var(--k-line)}
.k-facet label{
  display:flex;align-items:center;gap:8px;font-size:14px;color:var(--k-body);
  padding:5px 0;cursor:pointer;line-height:1.3}
.k-facet label:hover{color:var(--k-ink)}
.k-facet label span{margin-left:auto;font-size:12px;color:var(--k-mute)}
.k-facet input{accent-color:var(--k-brand);width:15px;height:15px;flex:none}
.k-facet-note{font-size:12px;color:var(--k-mute);line-height:1.5;margin:0;padding-top:4px}
.k-clear{
  background:none;border:1px solid var(--k-line);border-radius:var(--k-radius);
  padding:9px;font-family:Barlow,Arial,sans-serif;font-size:13px;font-weight:600;
  color:var(--k-body);cursor:pointer}
.k-clear:hover{border-color:var(--k-brand);color:var(--k-brand)}

.k-toolbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-bottom:14px;margin-bottom:20px;border-bottom:1px solid var(--k-line);
  font-size:14px;color:var(--k-body)}
.k-sort{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--k-mute)}
.k-sort select{
  font-family:Barlow,Arial,sans-serif;font-size:14px;padding:7px 10px;
  border:1px solid var(--k-line);border-radius:var(--k-radius);background:#fff;color:var(--k-ink)}
.k-empty{padding:50px 0;text-align:center;color:var(--k-mute)}

/* ───────── trang sản phẩm ───────── */
.k-crumb{padding-top:18px;font-size:13px;color:var(--k-mute)}
.k-crumb a{color:var(--k-body);text-decoration:none}
.k-crumb a:hover{color:var(--k-brand)}

.k-pdp{display:grid;grid-template-columns:1fr 1fr;gap:46px;padding:26px 0 60px;align-items:start}
.k-pdp-media{position:relative;background:var(--k-bg-alt);border:1px solid var(--k-line);border-radius:var(--k-radius);padding:26px}
.k-pdp-media img{width:100%;height:auto;display:block;mix-blend-mode:multiply}
.k-noimg{margin:14px 0 0;font-size:13px;color:var(--k-mute);text-align:center}
.k-pdp-info h1{
  font-size:clamp(27px,3.6vw,38px);line-height:1.1;font-weight:700;color:var(--k-ink);
  margin:8px 0 12px}
.k-sku{font-size:13px;color:var(--k-mute);margin:0 0 14px}
.k-sku code{background:var(--k-bg-alt);padding:2px 6px;border-radius:3px;font-size:12.5px}
.k-pdp-price{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.k-pdp-price strong{font-size:33px;color:var(--k-brand);font-weight:700;line-height:1}
.k-pdp-price s{font-size:18px;color:var(--k-mute)}
.k-save{font-size:13px;font-weight:600;color:#0B7A4B;background:#E6F5EE;padding:3px 9px;border-radius:3px}
.k-pdp-desc{font-size:15.5px;line-height:1.68;color:var(--k-body);margin:0 0 22px}
.k-specs{width:100%;border-collapse:collapse;margin-bottom:24px;font-size:14.5px}
.k-specs th{
  text-align:left;font-weight:600;color:var(--k-mute);padding:10px 16px 10px 0;
  border-bottom:1px solid var(--k-line-soft);white-space:nowrap;width:42%}
.k-specs td{padding:10px 0;border-bottom:1px solid var(--k-line-soft);color:var(--k-ink)}
.k-pdp-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}
.k-pdp-cta .k-btn-ghost{border-color:var(--k-line);color:var(--k-ink)}
.k-pdp-cta .k-btn-ghost:hover{background:var(--k-bg-alt);border-color:var(--k-ink)}
.k-trust{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.k-trust li{font-size:14px;color:var(--k-body);padding-left:22px;position:relative}
.k-trust li::before{
  content:"";position:absolute;left:0;top:6px;width:11px;height:6px;
  border-left:2px solid var(--k-brand);border-bottom:2px solid var(--k-brand);
  transform:rotate(-45deg)}

/* ───────── điện thoại ───────── */
@media(max-width:900px){
  .k-shop{grid-template-columns:1fr;gap:24px}
  .k-filters{position:static;display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:18px}
  .k-pdp{grid-template-columns:1fr;gap:28px}
}
@media(max-width:560px){
  .k-sec{padding:40px 0}
  .k-hero{padding:52px 0 58px}
  .k-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .k-card-name{font-size:15px;-webkit-line-clamp:2}
  .k-card-price strong{font-size:15px}
  .k-card-body{padding:11px}
  .k-cats{grid-template-columns:repeat(2,1fr)}
  .k-btn{padding:12px 20px;font-size:15px}
}