:root{color-scheme:light;--brand:#0ea5e9;--brand-600:#0284c7;--brand-700:#0369a1;--accent:#22d3ee;--surface:#ffffff;--text:#1f2937;--muted:#6b7280;--ring:rgba(14,165,233,.35);--radius:16px;--shadow-sm:0 4px 10px rgba(0,0,0,.10);--shadow-md:0 10px 24px rgba(0,0,0,.12)}@media (prefers-color-scheme:dark){:root{color-scheme:light;--surface:#ffffff;--text:#1f2937;--muted:#6b7280;--shadow-sm:0 4px 10px rgba(0,0,0,.10);--shadow-md:0 10px 24px rgba(0,0,0,.12)}}#grid-background{position:fixed;inset:0;z-index:-1;background:radial-gradient(circle at 1px 1px,rgba(0,0,0,.06) 1px,transparent 0) 0 0/20px 20px,linear-gradient(135deg,#e0f2fe,#cffafe);opacity:.45}.crypto-menu-container{background:rgba(255,255,255,.9);backdrop-filter:saturate(115%) blur(2px);-webkit-backdrop-filter:saturate(115%) blur(2px);padding:18px;border-radius:var(--radius);box-shadow:var(--shadow-md);border:1px solid rgba(0,0,0,.05)}.crypto-title{font-size:1.35rem;font-weight:800;color:var(--brand);text-align:center;margin:0 0 16px;line-height:1.7;text-shadow:none;position:relative}.crypto-title::after{content:"";display:block;width:88px;height:3px;margin:.5rem auto 0;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--accent))}.crypto-card{background:var(--surface);border-radius:14px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease;padding:16px;text-align:center;min-height:180px;border:1px solid rgba(0,0,0,.05)}.crypto-card:hover{transform:translateY(-4px);box-shadow:0 8px 18px rgba(0,0,0,.16)}.crypto-btn{display:block;text-decoration:none;border-radius:12px;background:var(--brand);color:#fff;padding:12px 16px;font-size:1.02rem;font-weight:800;letter-spacing:.2px;transition:background-color .15s ease,box-shadow .2s ease,transform .06s ease;box-shadow:0 8px 18px rgba(14,165,233,.35);outline:none}.crypto-btn:hover{background:var(--brand-600);color:#fff;box-shadow:0 10px 22px rgba(2,132,199,.42)}.crypto-btn:active{transform:translateY(1px);background:var(--brand-700)}.crypto-btn:focus{box-shadow:0 0 0 4px var(--ring),0 8px 18px rgba(14,165,233,.35)}.crypto-description{font-size:.97rem;color:var(--muted);margin-top:10px;text-align:justify;line-height:1.95}@media (min-width:576px){.crypto-menu-container{padding:20px}.crypto-title{font-size:1.5rem}}@media (min-width:768px){.crypto-menu-container{padding:24px}.crypto-title{font-size:1.75rem}.crypto-card{padding:18px}.crypto-btn{font-size:1.06rem}}@media (min-width:992px){.crypto-menu-container{padding:28px;max-width:1080px;margin-left:auto;margin-right:auto}.crypto-title{font-size:1.9rem}.crypto-card{padding:20px}}@media (min-width:1200px){.crypto-menu-container{max-width:1140px}.crypto-description{font-size:1rem}}@media (prefers-reduced-motion:reduce){.crypto-card,.crypto-btn{transition:none!important}}