:root{
  --bg:#0b1020;
  --card:#0f172a;
  --muted:#94a3b8;
  --text:#e5e7eb;
  --accent:#38bdf8;
  --accent-2:#4f46e5;
  --success:#22c55e;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:Poppins,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  background:radial-gradient(1200px 800px at 70% -20%,#1f2937 0,#0b1020 35%,#0b1020 100%);
  color:var(--text);
}
.container{max-width:1100px;margin-inline:auto;padding:20px}
.header{display:flex;align-items:center;justify-content:space-between;gap:16px;position:sticky;top:0;background:rgba(11,16,32,0.8);backdrop-filter:blur(8px);z-index:50;border-bottom:1px solid #1f2a44}
.brand{display:flex;align-items:center;gap:10px}
.logo{width:40px;height:40px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent-2));border-radius:12px;font-weight:700;color:white}
.name{font-weight:700}
.nav{display:flex;gap:14px;flex-wrap:wrap}
.nav a{color:var(--text);opacity:.8;text-decoration:none}
.nav a:hover{opacity:1}
.cart-btn{display:flex;align-items:center;gap:8px;background:#101936;border:1px solid #1f2a44;color:var(--text);padding:10px 14px;border-radius:12px;cursor:pointer}
.cart-btn strong{background:var(--accent-2);border-radius:10px;padding:2px 8px}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}
.hero .sub{opacity:.9}
.badges{display:flex;gap:12px;flex-wrap:wrap;padding:0;margin:14px 0;list-style:none}
.price-box{display:flex;align-items:center;gap:14px;margin:18px 0}
.price{font-size:32px;font-weight:700;background:linear-gradient(135deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.stock{color:var(--muted)}
.hero-media video{border-radius:18px}
h1{font-size:40px;margin:0 0 8px}
.product .card{display:grid;grid-template-columns:1fr 1fr;gap:24px;background:rgba(15,23,42,.6);border:1px solid #1f2a44;border-radius:18px;padding:18px}
.gallery{display:grid;grid-template-columns:140px 1fr;gap:16px}
.thumbs{display:flex;flex-direction:column;gap:12px}
.thumb{width:120px;height:80px;border-radius:12px;border:1px solid #24304f;background:#0b1220; background-size:cover; background-position:center; background-repeat:no-repeat;cursor:pointer;opacity:.8}
.thumb.active{outline:2px solid var(--accent);opacity:1}
.gallery #mainImg{width:100%;height:auto;border-radius:14px;border:1px solid #24304f}
.info h2{margin:0 0 8px}
.options{margin:14px 0}
.swatches{display:flex;gap:10px}
.swatch{width:34px;height:34px;border-radius:50%;border:2px solid #202b49;background:var(--c);cursor:pointer}
.swatch.selected{outline:2px solid var(--accent)}
.qty{margin:12px 0}
.stepper{display:flex;align-items:center;border:1px solid #24304f;border-radius:12px;width:max-content}
.stepper button{background:#101936;border:none;color:var(--text);width:40px;height:40px;cursor:pointer}
.stepper input{width:64px;height:40px;background:transparent;border:none;color:var(--text);text-align:center}
.cta{display:flex;gap:12px;margin:18px 0}
.btn-primary,.btn-outline{padding:12px 16px;border-radius:12px;cursor:pointer;font-weight:600}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));border:none;color:white}
.btn-outline{background:transparent;border:1px solid #2b3658;color:var(--text)}
.w-100{width:100%}
.icons{display:flex;gap:16px;flex-wrap:wrap;color:var(--muted);margin-top:8px}
.features .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.feat{background:rgba(15,23,42,.6);border:1px solid #1f2a44;border-radius:14px;padding:14px}
.whats-in-box .box-list{display:grid;gap:8px;padding-left:18px}
.reviews .review{background:rgba(15,23,42,.6);border:1px solid #1f2a44;border-radius:14px;padding:14px;margin-top:10px}
.footer{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);border-top:1px solid #1f2a44;margin-top:40px}
.cart{position:fixed;top:0;right:-420px;width:380px;max-width:92vw;height:100vh;background:#0c1328;border-left:1px solid #1f2a44;transition:right .25s ease;z-index:60;display:flex;flex-direction:column}
.cart.open{right:0}
.cart-head{display:flex;align-items:center;justify-content:space-between;padding:14px;border-bottom:1px solid #1f2a44}
.cart-body{flex:1;overflow:auto;padding:14px;display:grid;gap:10px}
.cart-item{display:grid;grid-template-columns:72px 1fr auto;gap:10px;align-items:center;background:#0b1220; background-size:cover; background-position:center; background-repeat:no-repeat;border:1px solid #1f2a44;border-radius:12px;padding:8px}
.cart-item img{width:72px;height:48px;object-fit:cover;border-radius:8px;border:1px solid #24304f}
.cart-foot{padding:14px;border-top:1px solid #1f2a44}
.totals{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#0c1328;border:1px solid #1f2a44;color:var(--text);padding:10px 14px;border-radius:10px;opacity:0;pointer-events:none;transition:opacity .2s}
.toast.show{opacity:1}
@media (max-width:960px){
  .hero{grid-template-columns:1fr}
  .product .card{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
  .thumbs{flex-direction:row}
}

.reviews-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
  gap:12px;
  margin-top:10px;
}
.review-card{
  background:rgba(15,23,42,.6);
  border:1px solid #1f2a44;
  border-radius:14px;
  padding:12px;
  cursor:pointer;
  transition:transform .1s;
}
.review-card:hover{transform:translateY(-2px)}
.review-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.review-name{font-weight:600}
.review-stars{opacity:.9}
.review-snippet{color:var(--muted);font-size:14px;line-height:1.35}
.modal{
  position:fixed;inset:0;background:rgba(0,0,0,.55);
  display:none;align-items:center;justify-content:center;z-index:90;
}
.modal.show{display:flex}
.modal-inner{
  max-width:720px;width:92vw;background:#0c1328;border:1px solid #1f2a44;border-radius:16px;padding:16px;
}
#modalClose{float:right;background:transparent;border:1px solid #2b3658;color:var(--text);padding:6px 10px;border-radius:10px;cursor:pointer}

.old-price{
  text-decoration:line-through;
  color:#9ca3af;
  font-size:18px;
}
.discount{
  color:#22c55e;
  font-weight:600;
  margin-top:4px;
}