:root{
  --bg:#0b0b0b; --panel:#121212; --text:#eaeaea; --muted:#9aa0a6;
  --accent:#ff3b30; --accent-glow: rgba(255,59,48,.6); --green:#22c55e;
  --border:#1e1e1e; --card:#151515; --link:#fff;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif}
a{color:var(--link);text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:16px}
/* Header */
header.site-header{position:sticky;top:0;background:linear-gradient(180deg,#0d0d0d,#0b0b0b);border-bottom:1px solid var(--border);z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.5px}
.brand .logo{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;background:#111;position:relative;box-shadow:0 0 25px var(--accent-glow), inset 0 0 25px rgba(255,59,48,.15)}
.brand .logo::after{content:"S2S";font-weight:900}
.navlinks{display:flex;gap:16px;flex-wrap:wrap}
.navlinks a{padding:8px 10px;border-radius:10px}
.navlinks a:hover{background:#151515}
.cart-link{position:relative;display:inline-flex;align-items:center;justify-content:center;padding:6px 10px;border:1px solid var(--border);border-radius:12px;background:#121212}
.cart-link:hover{box-shadow:0 0 0 3px rgba(255,59,48,.12)}
.cart-icon{width:22px;height:22px;display:block}
.badge{position:absolute;top:-6px;right:-6px;min-width:20px;height:20px;padding:0 6px;border-radius:999px;background:var(--accent);color:#fff;font-size:12px;display:grid;place-items:center;border:2px solid #0b0b0b;transform:scale(1);transition:.25s}
.badge.glow{box-shadow:0 0 18px var(--accent-glow);transform:scale(1.15)}
/* Hero */
.hero{padding:44px 16px;border-bottom:1px solid var(--border);background:radial-gradient(1000px 400px at 50% -10%, rgba(255,59,48,.08), transparent)}
.hero h1{font-size:clamp(28px,4vw,42px);margin:0 0 10px}
.hero p{color:var(--muted);margin:0}
.hero .cta{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:12px;border:1px solid var(--border);background:#151515;color:#fff;box-shadow:var(--shadow);cursor:pointer}
.btn.primary{background:var(--accent)}
.btn:hover{opacity:.95;transform:translateY(-1px)}
/* As Seen On */
.as-seen{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:#0e0e0e}
.as-seen .logos{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:10px}
.logo-card{height:48px;border:1px dashed #2a2a2a;border-radius:12px;display:grid;place-items:center;background:#121212;color:#9aa0a6}
/* Grid */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:18px 0}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.card img{width:100%;height:170px;object-fit:cover;background:#101010}
.card .pad{padding:12px}
.price{font-weight:700}
.small{font-size:.9rem;color:var(--muted)}
/* Forms */
input,select,textarea{background:#121212;border:1px solid var(--border);color:#fff;border-radius:10px;padding:10px;width:100%}
label{display:block;margin:8px 0 4px}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media(max-width:640px){form .row{grid-template-columns:1fr}}
.success{color:var(--green);font-weight:700}
/* Footer */
.site-footer{margin-top:40px;border-top:1px solid var(--border);background:#0b0b0b}
.trust{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:14px 0}
.trust div{background:#101010;border:1px solid var(--border);border-radius:12px;padding:10px;text-align:center}
@media(min-width:768px){.trust{grid-template-columns:repeat(4,1fr)}}
.footer-links{display:flex;gap:14px;flex-wrap:wrap;margin:12px 0}
.copy{color:#777;font-size:.9rem}
/* Cart */
.cart-table{width:100%;border-collapse:collapse}
.cart-table th,.cart-table td{border-bottom:1px solid var(--border);padding:10px;text-align:left;vertical-align:middle}
.qty{width:70px}
.remove{background:transparent;border:1px solid #2a2a2a;padding:6px 10px;border-radius:8px;color:#bbb}
.summary{background:#121212;border:1px solid var(--border);border-radius:16px;padding:16px}
.summary .line{display:flex;justify-content:space-between;margin:6px 0}
.summary .discount{color:var(--green);font-weight:700}
.summary .total{font-weight:900;font-size:1.1rem}
.badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.badges .badge-pay{border:1px solid var(--border);background:#0f0f0f;border-radius:10px;padding:6px 10px}
/* Reviews */
.reviews{margin-top:24px}
.review-card{background:#121212;border:1px solid var(--border);border-radius:12px;padding:12px;margin:8px 0}
.stars{color:#f6c453}
/* Accessibility */
.skip{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip:focus{position:static;padding:8px;background:var(--accent);border-radius:10px}


/* Mobile friendly nav */
.menu-toggle{display:none;cursor:pointer}
.menu-toggle span{display:block;width:24px;height:3px;margin:5px auto;background:#fff;border-radius:2px;transition:all .3s}
@media(max-width:768px){
  .navlinks{display:none;flex-direction:column;gap:0;background:#0f0f0f;position:absolute;top:60px;right:10px;border:1px solid #222;border-radius:12px;overflow:hidden;min-width:160px}
  .navlinks.show{display:flex}
  .menu-toggle{display:block}
}

/* Sticky add-to-cart on mobile */
@media(max-width:640px){
  .sticky-cart{position:fixed;bottom:0;left:0;right:0;background:#111;padding:10px;border-top:1px solid #222;display:flex;justify-content:space-between;align-items:center;z-index:50}
}

/* Slide-in animation for product cards */
.card{opacity:0;transform:translateY(30px);transition:opacity .6s ease, transform .6s ease}
.card.visible{opacity:1;transform:translateY(0)}


/* Gradient accent glow */
:root{--gradient:linear-gradient(90deg,#6a11cb,#2575fc);}
.btn.primary{
  background:var(--gradient);
  color:#fff;
  box-shadow:0 0 12px rgba(106,17,203,.6);
  transition:transform .2s,box-shadow .2s;
}
.btn.primary:hover{
  transform:translateY(-2px) scale(1.03);
  box-shadow:0 0 18px rgba(37,117,252,.8);
}
.hero{
  background:linear-gradient(135deg,#0f0f0f,#1b1b1b), var(--gradient);
  background-blend-mode:overlay;
  color:#fff;
  padding:60px 20px;
}

/* Hover animations */
.card{transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-6px) scale(1.02);box-shadow:0 6px 20px rgba(0,0,0,.4)}
.btn:hover{animation:pulse .8s infinite alternate}
@keyframes pulse{from{box-shadow:0 0 10px rgba(106,17,203,.6)}to{box-shadow:0 0 18px rgba(37,117,252,.8)}}