*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,'Helvetica Neue',Arial;color:#0f172a;background:#0b1020;line-height:1.35}
.hero{position:relative;min-height:60vh;display:flex;align-items:center;justify-content:center;padding:60px 20px;background-image:linear-gradient(135deg,rgba(255,94,109,0.38),rgba(0,204,255,0.28)),url('../images/maxresdefault.jpg'),url('https://i.ytimg.com/vi/ecv-19sYL3w/maxresdefault.jpg');background-size:cover;background-position:center;filter:contrast(1.02) saturate(1.05)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,10,20,0.2),rgba(2,6,23,0.45));mix-blend-mode:multiply}
.hero-content{position:relative;max-width:1100px;z-index:2;text-align:center;color:#fff;padding:40px}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.hero h1{font-size:clamp(28px,5vw,56px);margin:0 0 12px;font-weight:800;letter-spacing:-1px}
.lead{opacity:.95;margin:0 0 24px;font-size:1.05rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-top:20px}
.card{display:flex;flex-direction:column;align-items:center;gap:8px;padding:18px;border-radius:12px;background:rgba(255,255,255,0.06);text-decoration:none;color:inherit;box-shadow:0 4px 18px rgba(2,6,23,0.6);transition:transform .18s ease,box-shadow .18s ease}
.card:hover{transform:translateY(-6px);box-shadow:0 10px 30px rgba(2,6,23,0.72)}
.card .code{font-weight:900;font-size:22px;color:#fffb;display:block}
.card .label{font-size:13px;opacity:.9}
.tip{margin-top:18px;opacity:.95;color:#ffffff}
.site-footer{padding:18px 20px;text-align:center;color:#a7b0c0;background:linear-gradient(180deg,rgba(255,255,255,0.02),transparent)}
/* Error page styles */
.error-page{min-height:80vh;display:flex;align-items:center;justify-content:center;padding:48px}
.error-card{background:linear-gradient(180deg,rgba(255,255,255,0.02),rgba(255,255,255,0.01));backdrop-filter:blur(6px);padding:36px;border-radius:14px;max-width:900px;width:100%;display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
.big-code{font-size:92px;font-weight:900;color:#fff}
.err-title{font-size:20px;color:#dbeafe;margin-bottom:8px}
.err-desc{color:#cbd5e1}
.btn{display:inline-block;margin-top:14px;padding:10px 14px;border-radius:10px;background:linear-gradient(90deg,#8b5cf6,#06b6d4);color:#fff;text-decoration:none;font-weight:600}
.other-links{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.other-links a{background:rgba(255,255,255,0.04);padding:8px 10px;border-radius:8px;text-decoration:none;color:#e6eef9;font-size:13px}
@media (max-width:720px){.error-card{grid-template-columns:1fr; text-align:center}.big-code{font-size:72px}}
.cf-note{margin-top:14px;padding:12px;border-radius:10px;background:linear-gradient(180deg,rgba(255,255,255,0.02),rgba(255,255,255,0.01));color:#e6eef9;font-size:0.95rem}
.cf-note h3{margin:0 0 6px;font-size:15px;color:#dbeafe}