*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--p:#6366f1;--pd:#4f46e5;--a:#8b5cf6;--bg:#0f0f1a;--bc:#1a1a2e;--bh:#222240;--t:#f1f1f7;--ts:#9494b8;--bo:#2a2a45;--s:#22c55e;--r:12px;--rs:8px}
html{font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--t);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--a);text-decoration:none}
a:hover{color:var(--p)}

/* Header */
.sh{position:sticky;top:0;z-index:100;background:rgba(15,15,26,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--bo)}
.sh-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:12px 24px}
.sh-logo{display:flex;align-items:center;gap:10px;font-size:1.25rem;font-weight:700;color:var(--t)}
.sh-nav{display:flex;align-items:center;gap:24px}
.sh-nav a{color:var(--ts);font-size:.9rem;transition:color .2s}
.sh-nav a:hover{color:var(--t)}

/* Cart btn */
.cart-btn{position:relative;background:var(--bc);border:1px solid var(--bo);border-radius:var(--rs);padding:8px 16px;color:var(--t);cursor:pointer;font-size:.9rem;display:flex;align-items:center;gap:6px;transition:all .2s}
.cart-btn:hover{background:var(--bh);border-color:var(--p)}
.cart-badge{position:absolute;top:-6px;right:-6px;background:var(--p);color:#fff;font-size:.7rem;font-weight:700;width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center}

/* Hero */
.hero{text-align:center;padding:80px 24px 60px;background:linear-gradient(180deg,rgba(99,102,241,.08) 0,transparent 100%)}
.hero h1{font-size:2.8rem;font-weight:800;margin-bottom:16px;background:linear-gradient(135deg,var(--p),var(--a));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:1.15rem;color:var(--ts);max-width:600px;margin:0 auto}

/* Products */
.ps{max-width:1200px;margin:0 auto;padding:40px 24px}
.ps h2{font-size:1.5rem;margin-bottom:24px}
.pg{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}

/* Product card */
.pc{background:var(--bc);border:1px solid var(--bo);border-radius:var(--r);padding:24px;transition:all .25s;display:flex;flex-direction:column}
.pc:hover{background:var(--bh);border-color:var(--p);transform:translateY(-2px);box-shadow:0 4px 24px rgba(0,0,0,.3)}
.pc-icon{font-size:2rem;margin-bottom:12px}
.pc h3{font-size:1.1rem;font-weight:600;margin-bottom:8px}
.pc p{font-size:.88rem;color:var(--ts);flex:1;margin-bottom:16px;line-height:1.5}
.pc-tags{margin-bottom:12px}
.tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:.75rem;font-weight:500;background:rgba(99,102,241,.15);color:var(--p);margin-right:4px;margin-bottom:4px}
.pc-meta{display:flex;align-items:center;justify-content:space-between;padding-top:16px;border-top:1px solid var(--bo)}
.pc-price{font-size:1.3rem;font-weight:700;color:var(--p)}
.pc-old{font-size:.85rem;color:var(--ts);text-decoration:line-through;margin-left:8px}
.pc-btn{background:var(--p);color:#fff;border:none;border-radius:var(--rs);padding:8px 18px;cursor:pointer;font-size:.85rem;font-weight:600;transition:all .2s}
.pc-btn:hover{background:var(--pd);transform:scale(1.03)}
.pc-btn.incart{background:var(--s)}

/* Features */
.fs{max-width:1200px;margin:0 auto;padding:40px 24px 60px}
.fs h2{text-align:center;font-size:1.5rem;margin-bottom:32px}
.fg{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.fc{background:var(--bc);border:1px solid var(--bo);border-radius:var(--r);padding:24px;text-align:center}
.fc-icon{font-size:2.2rem;margin-bottom:12px}
.fc h3{font-size:1rem;margin-bottom:8px}
.fc p{font-size:.85rem;color:var(--ts)}

/* Footer */
.sf{border-top:1px solid var(--bo);padding:32px 24px;text-align:center;color:var(--ts);font-size:.85rem}

/* Cart overlay */
.co{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(0,0,0,.6);z-index:200;display:none;justify-content:flex-end}
.co.open{display:flex}
.cp{width:400px;max-width:90vw;background:var(--bc);border-left:1px solid var(--bo);padding:24px;display:flex;flex-direction:column;animation:si .25s ease-out}
@keyframes si{from{transform:translateX(100%)}to{transform:translateX(0)}}
.cp-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.cp-header h2{font-size:1.25rem}
.cp-close{background:none;border:none;color:var(--ts);cursor:pointer;font-size:1.3rem}
.cp-items{flex:1;overflow-y:auto;min-height:100px}
.ci{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--bo)}
.ci-icon{font-size:1.5rem}
.ci-info{flex:1}
.ci-info h4{font-size:.9rem;margin-bottom:2px}
.ci-info span{font-size:.8rem;color:var(--ts)}
.ci-qty{display:flex;align-items:center;gap:8px}
.ci-qty button{width:28px;height:28px;border-radius:50%;border:1px solid var(--bo);background:transparent;color:var(--t);cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center}
.ci-qty button:hover{background:var(--bh)}
.ce{text-align:center;padding:60px 0;color:var(--ts)}
.cp-footer{padding-top:16px;border-top:1px solid var(--bo)}
.cp-total{font-size:1.1rem;font-weight:700;display:flex;justify-content:space-between;margin-bottom:16px}
.cp-checkout{width:100%;padding:14px;background:var(--p);color:#fff;border:none;border-radius:var(--rs);font-size:1rem;font-weight:600;cursor:pointer}
.cp-checkout:hover{background:var(--pd)}

/* Toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--s);color:#fff;padding:12px 24px;border-radius:var(--rs);font-weight:600;font-size:.9rem;z-index:300;display:none;box-shadow:0 4px 20px rgba(34,197,94,.3)}
.toast.show{display:block;animation:fiu .3s ease-out}
@keyframes fiu{from{opacity:0;transform:translateX(-50%) translateY(20px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}

/* Responsive */
@media(max-width:768px){
  .hero h1{font-size:2rem}
  .hero{padding:60px 16px 40px}
  .pg,.fg{grid-template-columns:1fr}
}