:root{
  /* vertical anchor of the background image center (percentage of viewport height) */
  --bg-top: 38%;
  --ink:#E1271A; --text:#f0eceb; --muted:#b9b3b0;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:#0a0a0a;color:var(--text);font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif}
/* Center-locked background using an <img> so it is truly centered horizontally */
.bg{position:fixed;inset:0;overflow:hidden;z-index:1}
.bg img{
  position:absolute;left:50%;top:var(--bg-top);transform:translate(-50%,-50%) scale(1.06);
  height:120vh;width:auto;max-width:none;opacity:.55;filter:brightness(.35) blur(2px);
  animation:bg-fade 900ms ease forwards;
}
@keyframes bg-fade{from{opacity:0}to{opacity:.55}}

.wrap{position:relative;min-height:84dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px 18px 28px;z-index:2}
.sigil img{width:156px;height:156px;filter:drop-shadow(0 0 18px rgba(225,39,26,.75))}
h1{margin:14px 0 2px;font-size:44px;letter-spacing:.12em}
.subtitle{margin:0 0 18px;color:var(--muted)}
.loader{margin:6px 0 22px}
.loader span{display:block;margin-bottom:6px;color:var(--muted);letter-spacing:.16em;text-transform:uppercase;font-size:12px}
.bar{width:min(520px,86vw);height:8px;background:rgba(255,255,255,.08);border-radius:9px;overflow:hidden;box-shadow:inset 0 0 0 1px rgba(255,255,255,.06)}
.bar i{display:block;width:32%;height:100%;background:linear-gradient(90deg, rgba(225,39,26,.25), var(--ink), rgba(225,39,26,.25));border-radius:9px;animation:load 2.4s infinite}
@keyframes load{0%{transform:translateX(-100%)}50%{transform:translateX(70%)}100%{transform:translateX(200%)}}
.links{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-bottom:8px}
.btn{padding:11px 18px;border:1px solid rgba(255,255,255,.22);border-radius:10px;color:#fff;text-decoration:none;transition:.2s;backdrop-filter:blur(2px);background:rgba(255,255,255,.04);opacity:.98}
.btn:hover{transform:translateY(-1px);border-color:rgba(255,255,255,.4)}
.btn.primary{background:var(--ink);border-color:transparent;box-shadow:0 0 20px rgba(225,39,26,.35)}
.btn.ghost{background:transparent;border-color:rgba(225,39,26,.45);color:#ffd9d6}
.ca-wrap{display:flex;align-items:center;gap:10px;flex-wrap:nowrap;max-width:92vw;background:rgba(0,0,0,.35);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:8px 10px;margin:14px auto 6px;backdrop-filter:blur(2px)}
.ca-label{opacity:.8;letter-spacing:.1em}
.ca{display:block;white-space:nowrap;overflow:auto;scrollbar-width:none;-ms-overflow-style:none;max-width:60vw;color:#ffbcb4;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace}
.ca::-webkit-scrollbar{display:none}
.copy-btn{padding:8px 10px;border-radius:8px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.05);color:#fff}
.copy-btn:active{transform:scale(.98)}
.copied{position:fixed;left:50%;bottom:78px;transform:translateX(-50%);background:rgba(0,0,0,.6);border:1px solid rgba(255,255,255,.18);border-radius:9px;padding:6px 10px;font-size:12px;opacity:0;transition:.2s}
.copied.show{opacity:1}
.footer{position:relative;z-index:2;padding:16px 16px 26px;border-top:1px solid rgba(255,255,255,.08);background:linear-gradient(180deg, rgba(0,0,0,.35), rgba(0,0,0,.6))}
.footer .disc{margin:0 auto 6px;max-width:920px;color:#cdb6b2;opacity:.75;font-size:10px;line-height:1.42}
.footer .copy{margin:0;opacity:.65;font-size:11px;text-align:center}

.anim-pop{opacity:0;transform:translateY(8px) scale(.94);animation:pop .7s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes pop{to{opacity:1;transform:translateY(0) scale(1)}}
.anim-up{opacity:0;transform:translateY(10px);animation:up .7s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes up{to{opacity:1;transform:translateY(0)}}
.anim-fade{opacity:0;animation:fade .8s ease forwards}
@keyframes fade{to{opacity:1}}
.d1{animation-delay:.1s}.d2{animation-delay:.22s}.d3{animation-delay:.34s}.d4{animation-delay:.46s}.d5{animation-delay:.58s}.d6{animation-delay:.7s}

@media (max-width:520px){
  :root{ --bg-top: 44%; } /* lekko wyżej na telefonie */
  .sigil img{width:132px;height:132px}
  h1{font-size:34px}
  .subtitle{font-size:14px}
  .btn{padding:10px 14px}
  .ca{max-width:54vw;font-size:12px}
  .ca-label{font-size:12px}
  .copy-btn{font-size:12px}
  .footer .disc{font-size:9.2px}
}
@media (prefers-reduced-motion: reduce){
  .bg img{animation:none}
  .anim-pop,.anim-up,.anim-fade{animation:none;opacity:1;transform:none}
}