:root{
  --bg:#0b1220;
  --panel:#111a2e;
  --card:#141f36;
  --text:#ffffff;
  --muted:rgba(255,255,255,.72);
  --line:rgba(255,255,255,.10);
  --brand:#3b82f6;
  --brand2:#22c55e;
  --shadow: 0 16px 50px rgba(0,0,0,.35);
  --radius:16px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 800px at 20% 0%, rgba(59,130,246,.22), transparent 55%),
              radial-gradient(900px 600px at 90% 10%, rgba(34,197,94,.16), transparent 55%),
              var(--bg);
  color:var(--text);
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1100px;margin:0 auto;padding:0 16px}

/* TOP NAV */
.topbar{
  position:sticky; top:0; z-index:50;
  background: rgba(10,16,30,.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0}

.brand{display:flex;align-items:center;gap:12px}
.brand-logo{
  width:44px;height:44px;border-radius:12px;
  background:#0f172a;
  border:1px solid var(--line);
  object-fit:cover;
}
.brand small{display:block;color:var(--muted);font-size:12px;margin-top:2px}

.hamburger{
  display:none;
  border:1px solid var(--line);
  background:rgba(255,255,255,.06);
  color:var(--text);
  padding:10px 12px;
  border-radius:12px;
  cursor:pointer;
}

.nav{display:flex;align-items:center;gap:10px}
.nav-link{
  padding:10px 12px;
  border-radius:12px;
  color:rgba(255,255,255,.86);
}
.nav-link:hover{background:rgba(255,255,255,.06)}

.nav-item{position:relative}
.has-dd .chev{font-size:12px;opacity:.85}
.dropdown{
  position:absolute; top:44px; left:0;
  background:rgba(17,26,46,.96);
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow: var(--shadow);
  padding:8px;
  min-width:240px;
  display:none;
}
.dropdown a{
  display:block;
  padding:10px 10px;
  border-radius:10px;
  color:rgba(255,255,255,.90);
}
.dropdown a:hover{background:rgba(255,255,255,.07)}
.has-dd.open .dropdown{display:block}

/* BASE SECTIONS */
.hero{padding:18px 0 0}
.hero-banner{padding-top:12px}
.hero-inner{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:14px;
  align-items:stretch;
}

.section{padding:22px 0}
.section-title{
  display:flex; align-items:flex-end; justify-content:space-between;
  gap:16px; margin-bottom:12px;
}
.section-title p{color:var(--muted);margin:0}

.kicker{
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.12em;
  color:rgba(255,255,255,.68);
}
.h-title{margin:10px 0 8px;font-size:34px;line-height:1.15}
.h-sub{margin:0;color:var(--muted);max-width:52ch}

.grid3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}

/* BIG HERO (FIXED CENTERING) */
.hero-full{
  height:75vh;
  width:100%;
  background:url('https://images.unsplash.com/photo-1518770660439-4636190af475?auto=format&fit=crop&w=1800&q=60') center/cover no-repeat;
  position:relative;
}

.hero-overlay{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,.55);
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
}

.hero-content{
  width:min(900px, 92%);
  margin:0 auto;
  padding:20px;
  color:white;
}

.hero-content h1{
  font-size:44px;
  margin:0 0 10px;
  line-height:1.1;
}

.hero-content p{
  font-size:18px;
  opacity:.9;
  margin:0 auto 20px;
  max-width:680px;
}

/* CATEGORY GRID */
.category-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:20px;
}

.category-card{
  position:relative;
  display:block;
  overflow:hidden;
  border-radius:14px;
}

.category-card img{
  width:100%;
  height:260px;
  object-fit:cover;
  transition:.35s;
}

.category-card:hover img{
  transform:scale(1.06);
}

.cat-label{
  position:absolute;
  bottom:0;
  left:0;
  right:0;
  padding:18px;
  background:linear-gradient(transparent,rgba(0,0,0,.85));
  color:white;
  font-weight:700;
  font-size:18px;
}

/* CENTER SECTIONS */
.center{text-align:center}
.narrow{max-width:800px;margin:auto}

/* DARK STRIP */
.dark{background:#0f1720;color:white}

.info-box{
  background:#16212c;
  padding:26px;
  border-radius:12px;
  text-align:center;
}

/* TILE/CARD */
.tile,.card{
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
  border:1px solid var(--line);
  border-radius: var(--radius);
  overflow:hidden;
  box-shadow: 0 8px 30px rgba(0,0,0,.22);
}
.tile-img{
  width:100%;
  height:190px;
  object-fit:cover;
}
.tile-body{padding:14px}
.tile-body h3{margin:0 0 6px}
.tile-body p{margin:0;color:var(--muted)}

.card{padding:14px}
.card h2,.card h3,.card h4{margin:10px 0 0}
.card p{margin:10px 0 0;color:var(--muted)}
.card .kicker{margin-bottom:4px}

/* BUTTONS (FIX CENTERING) */
.btn-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:12px;
  justify-content:flex-start; /* default */
}

/* These two FIX your screenshots */
.hero-content .btn-row{justify-content:center;}
.center .btn-row{justify-content:center;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 14px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.06);
  color:rgba(255,255,255,.92);
  cursor:pointer;
}
.btn:hover{background: rgba(255,255,255,.10)}
.btn.primary{
  background: linear-gradient(90deg, rgba(59,130,246,.9), rgba(34,197,94,.85));
  border: none;
  color:#081018;
  font-weight:800;
}
.btn.primary:hover{filter:brightness(1.05)}

/* INVENTORY */
.inv-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.inv-card{
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
  border:1px solid var(--line);
  border-radius: var(--radius);
  overflow:hidden;
  box-shadow: 0 8px 30px rgba(0,0,0,.22);
}
.inv-img{height:170px;width:100%;object-fit:cover}
.inv-body{padding:14px}
.inv-title{margin:0 0 6px}
.inv-meta{color:var(--muted);font-size:14px}
.inv-price{display:flex;align-items:center;justify-content:space-between;margin-top:10px}

.badge{
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.86);
}

/* FORMS */
.form{margin-top:12px}
.field{display:flex;flex-direction:column;gap:6px;margin-top:12px}
label{font-size:14px;color:rgba(255,255,255,.88)}
input, select, textarea{
  background: rgba(0,0,0,.18);
  color: rgba(255,255,255,.92);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  outline:none;
}
textarea{resize:vertical}
input:focus, select:focus, textarea:focus{
  border-color: rgba(59,130,246,.6);
  box-shadow: 0 0 0 3px rgba(59,130,246,.18);
}

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
}

/* FOOTER */
.footer{
  border-top:1px solid var(--line);
  margin-top:22px;
  padding:18px 0;
  background: rgba(10,16,30,.55);
}

/* MOBILE */
@media (max-width: 880px){
  .hero-inner{grid-template-columns:1fr}
  .grid3{grid-template-columns:1fr}
  .inv-grid{grid-template-columns:1fr}
  .section-title{flex-direction:column;align-items:flex-start}
  .hamburger{display:inline-flex}

  .nav[aria-label="Primary"]{
    display:none;
    position:absolute;
    left:16px; right:16px; top:72px;
    padding:10px;
    border:1px solid var(--line);
    border-radius:14px;
    background: rgba(17,26,46,.96);
    box-shadow: var(--shadow);
    flex-direction:column;
    align-items:stretch;
    gap:6px;
  }
  .nav[aria-label="Primary"].open{display:flex}
  .dropdown{position:relative; top:0; left:0; min-width:unset}
  .split{grid-template-columns:1fr}
}