/* ============================================================
   HKM Shop styles. Tokens and nav match hkmsolutions.co (HKM Hub).
   Sections: tokens · base · nav · buttons · hero · catalogue ·
   product card · band · faq · footer · drawers (product + cart) ·
   checkout form · toast · motion.
   ============================================================ */
:root{
  --bg:#ffffff; --bg-alt:#f5f5f7; --ink:#1d1d1f; --ink-2:#6e6e73; --line:rgba(0,0,0,.08);
  --card:#ffffff; --red:#d9412a; --red-hover:#c2371f; --link:#0066cc; --ok:#1f8a4c;
  --radius:18px; --max:1080px; --ease:cubic-bezier(.2,.7,.2,1);
}
html[data-theme="dark"]{
  --bg:#000000; --bg-alt:#101012; --ink:#f5f5f7; --ink-2:#a1a1a6; --line:rgba(255,255,255,.12);
  --card:#1c1c1e; --link:#2997ff; --ok:#30d158;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,-apple-system,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-size:17px;line-height:1.5;-webkit-font-smoothing:antialiased;letter-spacing:-.01em;transition:background .3s,color .3s}
body[dir="rtl"]{font-family:"Noto Kufi Arabic",Inter,system-ui,sans-serif;letter-spacing:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding-inline:24px}
h1,h2,h3{margin:0;letter-spacing:-.03em;text-wrap:balance}
h1{font-size:clamp(36px,6vw,66px);font-weight:700;line-height:1.05}
h2{font-size:clamp(28px,4vw,44px);font-weight:700;line-height:1.1}
h3{font-size:20px;font-weight:600;line-height:1.2}
p{margin:0}
.sub{font-size:clamp(18px,2.2vw,22px);color:var(--ink-2);line-height:1.4;letter-spacing:-.015em}
.eyebrow{font-size:14px;font-weight:600;color:var(--red);letter-spacing:.02em;text-transform:uppercase}
[hidden]{display:none!important}

/* nav */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);background:color-mix(in srgb,var(--bg) 78%,transparent);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:56px;gap:16px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:22px;width:auto}
.logo-dark{display:none}
html[data-theme="dark"] .logo-light{display:none}
html[data-theme="dark"] .logo-dark{display:block}
.shop-tag{font-size:12px;font-weight:600;color:var(--ink-2);border:1px solid var(--line);border-radius:999px;padding:2px 8px;line-height:1.3}
.links{display:flex;gap:24px;font-size:14px;color:var(--ink-2)}
.links a:hover{color:var(--ink)}
.tools{display:flex;align-items:center;gap:8px}
.tb{appearance:none;border:1px solid var(--line);background:transparent;color:var(--ink);font-size:13px;font-weight:600;border-radius:999px;padding:6px 12px;cursor:pointer;line-height:1;display:inline-flex;align-items:center;gap:6px}
.tb:hover{background:var(--bg-alt)}
.cart-btn svg{width:16px;height:16px}
.cart-count{background:var(--red);color:#fff;border-radius:999px;font-size:11px;min-width:18px;height:18px;display:inline-grid;place-items:center;padding-inline:5px}
:focus-visible{outline:2px solid var(--link);outline-offset:3px}
@media (max-width:820px){.links{display:none}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;border-radius:999px;font-weight:600;font-size:16px;transition:transform .2s var(--ease),background .2s;border:1px solid transparent;cursor:pointer}
.btn:hover{transform:translateY(-1px)}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-hover)}
.btn-line{border-color:var(--line);color:var(--ink);background:var(--card)}
.btn-line:hover{background:var(--bg-alt)}
.btn.wide{width:100%}
.btn[disabled]{opacity:.5;pointer-events:none}

/* hero */
.hero{padding-block:72px 48px;text-align:center}
.hero h1{max-width:18ch;margin:14px auto 0}
.hero .sub{max-width:52ch;margin:20px auto 0}
.hero .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.trust{list-style:none;padding:36px 0 0;margin:56px 0 0;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:start}
.trust b{display:block;font-size:15px;font-weight:600}
.trust span{font-size:13px;color:var(--ink-2)}
@media (max-width:760px){.trust{grid-template-columns:1fr 1fr}.hero{padding-block:48px 32px}}

/* catalogue */
.catalog{padding-block:24px 80px}
.cat-head{display:flex;flex-direction:column;gap:16px;margin-bottom:22px}
.filters{display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{appearance:none;border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:999px;padding:8px 14px;font-size:14px;font-weight:500;cursor:pointer}
.chip:hover{background:var(--bg-alt)}
.chip.active{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.subfilters .chip{padding:6px 12px;font-size:13px}
.subfilters{display:flex;gap:8px;flex-wrap:wrap}
.search{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:999px;padding:8px 14px;background:var(--card);min-width:240px;flex:1;max-width:340px}
.search svg{width:16px;height:16px;color:var(--ink-2);flex:none}
.search input{border:0;outline:0;background:transparent;color:var(--ink);font:inherit;font-size:14px;width:100%}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.empty{color:var(--ink-2);text-align:center;padding:40px 0}

/* product card */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;cursor:pointer;transition:transform .3s var(--ease),box-shadow .3s}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(0,0,0,.08)}
.card .pic{aspect-ratio:1;background:var(--bg-alt);display:grid;place-items:center;padding:18px;position:relative}
.card .pic svg{width:100%;height:100%;max-width:200px}
.badge{position:absolute;top:12px;inset-inline-start:12px;font-size:11px;font-weight:600;padding:4px 9px;border-radius:999px;background:var(--card);color:var(--ink-2);border:1px solid var(--line)}
.badge.out{color:var(--red)}
.badge.mto{color:var(--link)}
.card .info{padding:14px 16px 16px;display:flex;flex-direction:column;gap:4px}
.card .brand-l{font-size:12px;color:var(--ink-2);font-weight:500}
.card .name{font-size:16px;font-weight:600;line-height:1.25}
.card .variant{font-size:13px;color:var(--ink-2);display:flex;align-items:center;gap:6px}
.dot{width:12px;height:12px;border-radius:50%;border:1px solid var(--line);display:inline-block}
.card .row{display:flex;align-items:center;justify-content:space-between;margin-top:10px;gap:8px}
.price{font-weight:700;font-size:17px;font-variant-numeric:tabular-nums}
.price small{font-size:12px;font-weight:500;color:var(--ink-2)}
.price s{color:var(--ink-2);font-weight:400;font-size:13px;margin-inline-end:6px}
.add{appearance:none;border:0;background:var(--ink);color:var(--bg);border-radius:999px;padding:8px 14px;font-size:13px;font-weight:600;cursor:pointer}
.add:hover{background:var(--red);color:#fff}
.add.link{background:var(--bg-alt);color:var(--ink)}

/* band + compare */
.band{background:var(--bg-alt);padding-block:80px}
.band-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.band .sub{margin-top:14px;font-size:18px}
.compare{display:grid;gap:12px}
.cmp{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px}
.cmp p{color:var(--ink-2);font-size:15px;margin-top:6px}
.cmp span{display:block;font-size:12px;color:var(--ink-2);margin-top:10px;font-variant-numeric:tabular-nums}
@media (max-width:820px){.band-grid{grid-template-columns:1fr}}

/* faq */
.faq{padding-block:80px;max-width:760px}
.faq h2{margin-bottom:20px}
.faq details{border-top:1px solid var(--line);padding:16px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:600;font-size:17px;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::after{content:"+";color:var(--ink-2);font-weight:400;font-size:22px}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--ink-2);font-size:15px;margin-top:10px;max-width:62ch}

/* footer */
footer{border-top:1px solid var(--line);background:var(--bg-alt);padding-block:28px;font-size:12px;color:var(--ink-2)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer nav{display:flex;gap:18px;flex-wrap:wrap}
footer a:hover{color:var(--ink)}

/* drawers */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:80;backdrop-filter:blur(2px)}
.drawer{position:fixed;top:0;bottom:0;inset-inline-end:0;width:min(440px,100%);background:var(--bg);z-index:90;overflow-y:auto;padding:28px 24px 40px;box-shadow:-10px 0 40px rgba(0,0,0,.15);padding-top:calc(28px + env(safe-area-inset-top,0px));padding-bottom:calc(40px + env(safe-area-inset-bottom,0px))}
.drawer .close{position:absolute;top:14px;inset-inline-end:14px;border:1px solid var(--line);background:var(--card);color:var(--ink);width:36px;height:36px;border-radius:50%;cursor:pointer}
.drawer-title{font-size:26px;margin-bottom:16px}
.p-pic{background:var(--bg-alt);border-radius:var(--radius);aspect-ratio:1;display:grid;place-items:center;padding:28px;margin-bottom:18px}
.p-pic svg{width:100%;height:100%;max-width:260px}
.p-brand{font-size:13px;color:var(--ink-2);font-weight:500}
.p-name{font-size:24px;font-weight:700;letter-spacing:-.02em;line-height:1.15}
.p-variant{font-size:14px;color:var(--ink-2);display:flex;align-items:center;gap:6px;margin-top:4px}
.p-price{font-size:22px;font-weight:700;margin-top:12px;font-variant-numeric:tabular-nums}
.p-price small{font-size:13px;font-weight:500;color:var(--ink-2)}
.p-stock{font-size:13px;margin-top:4px;color:var(--ok);font-weight:500}
.p-stock.low{color:#c47a00}.p-stock.out{color:var(--red)}.p-stock.mto{color:var(--link)}
.p-desc{color:var(--ink-2);font-size:15px;margin-top:14px}
.specs{margin:18px 0;border-top:1px solid var(--line)}
.specs div{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}
.specs span:first-child{color:var(--ink-2)}
.swatches{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.swatch{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;padding:5px 10px 5px 6px;font-size:13px;cursor:pointer;background:var(--card);color:var(--ink)}
.swatch.active{border-color:var(--ink)}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.qty button{appearance:none;border:0;background:transparent;color:var(--ink);width:40px;height:40px;font-size:18px;cursor:pointer}
.qty span{min-width:32px;text-align:center;font-weight:600;font-variant-numeric:tabular-nums}
.p-actions{display:flex;gap:12px;align-items:center;margin-top:18px}
.p-actions .btn{flex:1}

/* cart */
.ci{display:grid;grid-template-columns:64px 1fr auto;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}
.ci .pic{width:64px;height:64px;border-radius:12px;background:var(--bg-alt);display:grid;place-items:center;padding:8px}
.ci .pic svg{width:100%;height:100%}
.ci .n{font-size:14px;font-weight:600;line-height:1.25}
.ci .v{font-size:12px;color:var(--ink-2)}
.ci .qty{margin-top:6px;transform:scale(.85);transform-origin:start}
.ci .pr{font-weight:600;font-size:14px;font-variant-numeric:tabular-nums;text-align:end}
.ci .rm{appearance:none;border:0;background:transparent;color:var(--ink-2);font-size:12px;cursor:pointer;padding:0;margin-top:6px;text-decoration:underline}

/* checkout */
.checkout{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.checkout h3{font-size:16px}
.radios{display:grid;gap:8px}
.radios label{display:flex;justify-content:space-between;align-items:center;gap:10px;border:1px solid var(--line);border-radius:12px;padding:10px 12px;font-size:14px;cursor:pointer}
.radios label:has(input:checked){border-color:var(--ink)}
.radios input{accent-color:var(--red)}
.radios b{font-variant-numeric:tabular-nums;font-weight:600}
.field{display:flex;flex-direction:column;gap:4px}
.field label{font-size:12px;color:var(--ink-2);font-weight:500}
.field input,.field textarea{border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:var(--card);color:var(--ink);font:inherit;font-size:15px;width:100%}
.field input:focus,.field textarea:focus{border-color:var(--ink);outline:0}
.totals{border-top:1px solid var(--line);padding-top:12px;display:grid;gap:6px;font-size:14px}
.totals div{display:flex;justify-content:space-between}
.totals b{font-variant-numeric:tabular-nums}
.totals .grand{font-size:17px;padding-top:6px;border-top:1px solid var(--line);margin-top:4px}
.fine{font-size:12px;color:var(--ink-2)}

/* toast */
.toast{position:fixed;bottom:calc(20px + env(safe-area-inset-bottom,0px));left:50%;transform:translateX(-50%) translateY(20px);background:var(--ink);color:var(--bg);padding:12px 18px;border-radius:999px;font-size:14px;font-weight:500;opacity:0;pointer-events:none;transition:.3s;z-index:100;max-width:calc(100% - 32px);text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* motion */
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}