:root{
  --brand-yellow: #F8D828;
  --charcoal: #202020;
  --cool-gray: #C8C8C8;
  --white: #FFFFFF;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--charcoal);color:var(--white);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif}
a{color:var(--brand-yellow);text-decoration:none}
header{padding:24px 16px;border-bottom:1px solid #333;position:sticky;top:0;background:linear-gradient(180deg,#1a1a1a,rgba(26,26,26,.85));backdrop-filter: blur(6px);z-index:5}
.container{max-width:980px;margin:0 auto;padding:0 16px}
.brand{display:flex;align-items:center;gap:12px}
.brand__logo{width: 38px;height: 38px;border-radius:8px;background: url("./LogoMINI.png") center/contain no-repeat;}
.brand__title{font-weight:700;letter-spacing:.3px}
h1{font-size:28px;margin:12px 0 6px}
p.lead{opacity:.85;margin:0 0 12px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:24px 0 42px}
.card{background:#1b1b1b;border:1px solid #2a2a2a;border-radius:18px;overflow:hidden;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.card img{display:block;width:100%;height:360px;object-fit:cover}
.card__body{padding:12px 12px 16px}
.card__title{font-weight:700;margin:2px 0 4px;font-size:16px}
.card__subtitle{opacity:.75;font-size:13px;margin:0 0 10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 12px;border-radius:12px;background:var(--brand-yellow);color:#111;font-weight:700;border:none;cursor:pointer}
.btn--ghost{background:transparent;color:var(--brand-yellow);border:1px solid var(--brand-yellow)}
.section{padding:8px 0 28px;border-top:1px solid #2a2a2a}
ul.howto{margin:8px 0 0 18px;line-height:1.6;opacity:.9}
.qr-area{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;align-items:start}
.qr-box{background:#141414;border:1px dashed #3a3a3a;border-radius:16px;padding:16px}
.qr-box h3{margin:0 0 8px}
.input{width:100%;padding:10px 12px;border-radius:10px;border:1px solid #333;background:#111;color:#eee}
.qr-preview{display:flex;align-items:center;justify-content:center;min-height:280px;background:#111;border-radius:12px;border:1px solid #222}
.footer{opacity:.7;padding:24px 0 60px;text-align:center;border-top:1px solid #2a2a2a;margin-top:28px;font-size:13px}
.small{font-size:12px;opacity:.8}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#232323;border:1px solid #2f2f2f;color:#eaeaea;font-size:12px;margin-left:8px}
@media (max-width:720px){
  .qr-area{grid-template-columns:1fr}
  .card img{height:300px}
}