/* HP. PEP Research Group — silver & black theme */
:root{
  --bg:#0a0a0b;
  --bg-2:#111113;
  --panel:#16161a;
  --panel-2:#1c1c21;
  --line:#2a2a30;
  --line-2:#3a3a42;
  --text:#f2f2f4;
  --muted:#9a9aa2;
  --silver:#d9d9de;
  --silver-2:#b6b6bd;
  --silver-grad:linear-gradient(180deg,#ffffff 0%,#d8d8d8 45%,#a8a8a8 55%,#8f8f8f 100%);
  --silver-line:linear-gradient(90deg,#8f8f8f,#e9e9e9,#8f8f8f);
  --radius:14px;
  --maxw:1200px;
  --font:"Helvetica Neue",Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);background:var(--bg);color:var(--text);
  line-height:1.6;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.silver-text{
  background:var(--silver-grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.eyebrow{
  text-transform:uppercase;letter-spacing:4px;font-size:12px;color:var(--muted);
}
section{padding:72px 0}
h1,h2,h3{margin:0 0 .4em;font-weight:700;letter-spacing:.5px}
h2.section-title{font-size:30px;text-transform:uppercase;letter-spacing:3px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:10px;font-weight:700;font-size:14px;
  letter-spacing:1px;text-transform:uppercase;cursor:pointer;border:1px solid transparent;
  transition:.2s ease;white-space:nowrap;
}
.btn-silver{background:var(--silver-grad);color:#111;border-color:#cfcfcf}
.btn-silver:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-outline{background:transparent;border-color:var(--line-2);color:var(--text)}
.btn-outline:hover{border-color:var(--silver);background:#ffffff10}
.btn-block{width:100%}
.btn-sm{padding:9px 16px;font-size:12px}

/* ---------- Header ---------- */
.topbar{
  background:#000;color:var(--muted);font-size:12px;letter-spacing:1px;
  text-align:center;padding:8px 16px;border-bottom:1px solid var(--line);
  text-transform:uppercase;
}
header.site{
  position:sticky;top:0;z-index:50;background:rgba(10,10,11,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:46px;width:auto}
.brand .name{font-weight:700;letter-spacing:2px;font-size:18px}
.brand .name b{color:#fff}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:var(--silver-2)}
.nav-links a:hover{color:#fff}
.nav-actions{display:flex;gap:14px;align-items:center}
.cart-link{position:relative;color:var(--silver-2);font-size:13px;letter-spacing:1px}
.cart-count{
  background:var(--silver-grad);color:#111;border-radius:20px;padding:0 7px;
  font-size:11px;font-weight:700;margin-left:4px;
}
.menu-toggle{display:none;background:none;border:0;color:#fff;font-size:24px;cursor:pointer}

/* ---------- Hero ---------- */
.hero{
  position:relative;text-align:center;padding:96px 0 84px;
  background:
    radial-gradient(900px 420px at 50% -10%,#26262c 0%,transparent 70%),
    linear-gradient(180deg,#0d0d0f,#0a0a0b);
  border-bottom:1px solid var(--line);overflow:hidden;
}
.hero .logo-lg{height:200px;margin:0 auto 20px}
.hero h1{font-size:46px;letter-spacing:2px;text-transform:uppercase}
.hero p{color:var(--muted);max-width:620px;margin:0 auto 28px;font-size:17px}
.hero .cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- Feature strip ---------- */
.features{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.feature{background:var(--bg-2);padding:26px 22px;text-align:center}
.feature .ic{font-size:22px;margin-bottom:8px}
.feature h4{margin:0 0 4px;font-size:14px;letter-spacing:1.5px;text-transform:uppercase}
.feature p{margin:0;color:var(--muted);font-size:13px}

/* ---------- Category chips ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:28px 0 40px}
.chip{
  border:1px solid var(--line-2);background:var(--panel);color:var(--silver-2);
  padding:9px 18px;border-radius:30px;font-size:12px;letter-spacing:1px;cursor:pointer;
  text-transform:uppercase;transition:.18s;
}
.chip:hover{border-color:var(--silver)}
.chip.active{background:var(--silver-grad);color:#111;border-color:#cfcfcf;font-weight:700}

/* ---------- Product grid ---------- */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{
  background:linear-gradient(180deg,var(--panel),var(--bg-2));
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:.2s;position:relative;
}
.card:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:0 14px 30px #0008}
.card .imgwrap{
  aspect-ratio:1/1;background:
    radial-gradient(120px 120px at 50% 40%,#2a2a31,transparent 70%),#101013;
  display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line);
}
.card .imgwrap svg{width:64%;height:64%}
.card .body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card .cat{font-size:10px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted)}
.card h3{font-size:16px;margin:0;letter-spacing:.5px}
.card .price{font-size:20px;font-weight:700;margin-top:auto}
.badge{
  position:absolute;top:12px;right:12px;font-size:10px;letter-spacing:1px;
  text-transform:uppercase;padding:4px 9px;border-radius:6px;
  background:#000a;border:1px solid var(--line-2);color:var(--silver-2);
}
.badge.oos{color:#ff8e8e;border-color:#5a2b2b}

/* ---------- Auth / forms ---------- */
.auth-wrap{max-width:520px;margin:0 auto}
.panel{
  background:linear-gradient(180deg,var(--panel),var(--bg-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:34px;
}
.panel h2{font-size:24px;letter-spacing:2px;text-transform:uppercase}
.field{margin-bottom:16px}
.field label{display:block;font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;background:#0c0c0e;border:1px solid var(--line-2);color:var(--text);
  padding:12px 14px;border-radius:9px;font-family:inherit;font-size:15px;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--silver)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.qual-box{
  border:1px solid var(--line-2);border-radius:10px;padding:18px;margin:8px 0 18px;
  background:#0e0e11;
}
.qual-box .qtitle{font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:var(--silver)}
.qual-box .qsub{font-size:12.5px;color:var(--muted);margin:4px 0 14px}
.muted{color:var(--muted)}
.center{text-align:center}
.divider-or{display:flex;align-items:center;gap:14px;color:var(--muted);font-size:12px;margin:20px 0;letter-spacing:2px}
.divider-or:before,.divider-or:after{content:"";flex:1;height:1px;background:var(--line-2)}
.alert{border:1px solid var(--line-2);background:#0e0e11;border-radius:10px;padding:14px 16px;font-size:13.5px;color:var(--silver-2);margin-bottom:18px}

/* ---------- Page header ---------- */
.page-head{text-align:center;padding:60px 0 10px}
.page-head h1{font-size:38px;text-transform:uppercase;letter-spacing:3px}
.page-head p{color:var(--muted);max-width:640px;margin:8px auto 0}

/* ---------- Wholesale ---------- */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.ws-list{list-style:none;padding:0;margin:18px 0 0}
.ws-list li{padding:12px 0;border-bottom:1px solid var(--line);display:flex;gap:12px}
.ws-list li b{color:#fff}
.ws-list .tick{color:var(--silver)}

/* ---------- Footer ---------- */
footer.site{background:#000;border-top:1px solid var(--line);padding:54px 0 30px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
.foot-grid img{height:54px;margin-bottom:14px}
.foot-grid h5{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--silver);margin:0 0 14px}
.foot-grid a,.foot-grid p{display:block;color:var(--muted);font-size:13.5px;margin-bottom:9px}
.foot-grid a:hover{color:#fff}
.legal{border-top:1px solid var(--line);margin-top:34px;padding-top:22px;text-align:center;color:#6a6a72;font-size:12px}
.disclaimer{background:#000;color:#7a7a82;font-size:11.5px;text-align:center;padding:16px;border-top:1px solid var(--line);letter-spacing:.3px}

/* ---------- Age gate ---------- */
.agegate{
  position:fixed;inset:0;z-index:200;background:rgba(0,0,0,.93);
  display:flex;align-items:center;justify-content:center;padding:20px;
}
.agegate .box{
  max-width:460px;text-align:center;background:linear-gradient(180deg,#16161a,#0e0e11);
  border:1px solid var(--line-2);border-radius:18px;padding:40px 34px;
}
.agegate img{height:120px;margin:0 auto 18px}
.agegate h3{font-size:20px;letter-spacing:2px;text-transform:uppercase}
.agegate p{color:var(--muted);font-size:14px;margin:6px 0 24px}
.agegate .row{display:flex;gap:12px;justify-content:center}
.hidden{display:none!important}

/* ---------- Policy ---------- */
.policy h2{margin-top:38px;font-size:22px;letter-spacing:1px;text-transform:uppercase;color:var(--silver)}
.policy p,.policy li{color:#c7c7cd;font-size:15px}

/* ---------- Tables (wholesale / cart / invoice) ---------- */
.ws-table,.cart-table,.inv-table{width:100%;border-collapse:collapse;font-size:14px}
.ws-table th,.cart-table th,.inv-table th{
  text-align:left;text-transform:uppercase;letter-spacing:1px;font-size:11px;color:var(--muted);
  padding:12px 10px;border-bottom:1px solid var(--line-2);
}
.ws-table td,.cart-table td,.inv-table td{padding:11px 10px;border-bottom:1px solid var(--line)}
.ws-table td:first-child{font-weight:700}
.right{text-align:right}.center{text-align:center}
.qbtn{background:#0c0c0e;border:1px solid var(--line-2);color:var(--text);width:26px;height:26px;border-radius:6px;cursor:pointer;font-size:14px}
.qbtn:hover{border-color:var(--silver)}
.ff-tag{background:var(--silver-grad);color:#111;font-size:10px;font-weight:700;padding:2px 6px;border-radius:5px;letter-spacing:.5px}
.ff-row{display:flex;gap:10px;margin-top:18px}
.ff-row input{flex:1;background:#0c0c0e;border:1px solid var(--line-2);color:var(--text);padding:10px 12px;border-radius:9px;font-family:inherit}
.sum{display:flex;justify-content:space-between;padding:8px 0;color:var(--muted);font-size:14px}
.sum b{color:var(--text)}
.sum.total{border-top:1px solid var(--line-2);margin-top:6px;padding-top:14px;font-size:18px}
.sum.total b{font-size:22px}

/* ---------- Information page ---------- */
.info-card{display:flex;gap:22px;padding:22px;margin-bottom:18px;align-items:flex-start}
.info-card .info-ic{width:96px;height:96px;flex:none;background:radial-gradient(80px 80px at 50% 40%,#2a2a31,transparent 70%),#101013;border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;justify-content:center}
.info-card .info-ic svg{width:60%}
.info-card .info-body{flex:1}
.info-card h3{font-size:19px;margin:4px 0 8px}
.info-card p{color:#c7c7cd;font-size:14.5px;margin:0}
.info-card .chip{font-size:11px;padding:6px 12px}
@media(max-width:640px){.info-card{flex-direction:column}.info-card .info-ic{width:72px;height:72px}}

/* ---------- Invoice ---------- */
.invoice{max-width:760px;margin:0 auto}
.inv-head{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1px solid var(--line-2);padding-bottom:18px;margin-bottom:18px}
.inv-bill{display:flex;justify-content:space-between;gap:20px;margin-bottom:18px}
.inv-bill h5{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--silver);margin:0 0 6px}
.inv-bill p{margin:0;color:#c7c7cd;font-size:14px}
.inv-tot{margin-top:14px;margin-left:auto;max-width:320px}
@media print{
  body{background:#fff;color:#000}
  header.site,footer.site,.topbar,.disclaimer,.no-print{display:none!important}
  .invoice{border:none;background:#fff;color:#000;max-width:100%}
  .invoice .muted,.invoice p{color:#333}
  .silver-text{-webkit-text-fill-color:#000;color:#000}
}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .features{grid-template-columns:repeat(2,1fr)}
  .two-col{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .nav-links{
    position:absolute;top:74px;left:0;right:0;background:var(--bg-2);
    flex-direction:column;gap:0;padding:10px 0;border-bottom:1px solid var(--line);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 24px;width:100%}
  .menu-toggle{display:block}
  .grid,.field-row{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .foot-grid{grid-template-columns:1fr}
}