*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
    --bg:#0a0a0a;--bg-card:#141414;--bg-card-hover:#1a1a1a;
    --text:#f5f5f3;--text-dim:#888;--text-dimmer:#555;
    --accent:#ff8a3d;--accent-glow:rgba(255,138,61,.15);
    --border:rgba(255,255,255,.08);--border-hover:rgba(255,255,255,.15);
    --radius:16px;--radius-sm:10px;
}
html{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

/* NAV */
.nav{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:16px clamp(20px,5vw,48px);background:rgba(10,10,10,.85);backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}
.nav__brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:17px;color:var(--text);text-decoration:none}
.nav__brand:hover{text-decoration:none}
.nav__right{display:flex;align-items:center;gap:16px}
.nav__link{color:var(--text-dim);font-size:14px;font-weight:500;transition:color .2s}
.nav__link:hover{color:var(--text);text-decoration:none}
.nav__user{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-dim)}
.nav__avatar{width:28px;height:28px;border-radius:50%;border:1px solid var(--border)}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer;border:none;transition:all .2s;text-decoration:none}
.btn--primary{background:linear-gradient(180deg,#fff,#d8d8d4);color:#0a0a0a;box-shadow:0 6px 14px rgba(0,0,0,.3),inset 0 1px 1px rgba(255,255,255,.9)}
.btn--primary:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(0,0,0,.4),inset 0 1px 1px rgba(255,255,255,.9);text-decoration:none}
.btn--ghost{background:transparent;color:var(--text-dim);border:1px solid var(--border)}
.btn--ghost:hover{color:var(--text);border-color:var(--border-hover);text-decoration:none}
.btn--sm{padding:8px 14px;font-size:13px}
.btn i{font-size:15px}

/* CONTAINER */
.container{max-width:1100px;margin:0 auto;padding:0 clamp(20px,5vw,48px)}

/* HERO */
.hero{text-align:center;padding:60px 0 40px}
.hero h1{font-size:clamp(28px,5vw,42px);font-weight:800;letter-spacing:-.04em;margin-bottom:8px}
.hero p{color:var(--text-dim);font-size:16px}

/* PRODUCTS GRID */
.products{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;padding-bottom:60px}

/* CARD */
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .25s}
.card:hover{border-color:var(--border-hover);transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,0,0,.4)}
.card__img{position:relative;aspect-ratio:4/3;overflow:hidden;background:#111}
.card__img img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.card:hover .card__img img{transform:scale(1.04)}
.card__badge{position:absolute;top:12px;left:12px;padding:4px 10px;border-radius:6px;font:600 10px/1 JetBrains Mono,monospace;letter-spacing:.08em;text-transform:uppercase;background:rgba(10,10,10,.7);backdrop-filter:blur(8px);color:var(--accent);border:1px solid rgba(255,138,61,.2)}
.card__body{padding:20px}
.card__title{font-size:17px;font-weight:700;letter-spacing:-.02em;margin-bottom:6px}
.card__desc{font-size:13px;color:var(--text-dim);line-height:1.5;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__footer{display:flex;justify-content:space-between;align-items:center}
.card__price{font:700 20px/1 Inter,sans-serif;color:var(--text)}
.card__stock{margin-top:10px;font:500 11px/1 JetBrains Mono,monospace;color:var(--text-dimmer);letter-spacing:.04em}
.text-danger{color:#ff6b6b}

/* FOOTER */
.footer{text-align:center;padding:32px 0;color:var(--text-dimmer);font-size:12px;border-top:1px solid var(--border)}

/* RESPONSIVE */
@media(max-width:640px){
    .nav{padding:12px 16px}
    .nav__right{gap:10px}
    .products{grid-template-columns:1fr}
    .hero{padding:40px 0 24px}
}