:root{
  --bg:#0a0a0b; --card:#121214; --line:#2a2620; --text:#f4efe6; --muted:#b9b0a2;
  --gold:#d9b46a; --gold2:#f3d99a; --tg:#2aabee; --tg2:#229ed9;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:var(--bg);
  background-image:
    radial-gradient(60% 45% at 50% 0%, rgba(217,180,106,.16), transparent 70%),
    radial-gradient(50% 40% at 50% 100%, rgba(42,171,238,.10), transparent 70%);
  color:var(--text);
  font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  display:flex;align-items:center;justify-content:center;
  padding:24px 16px calc(24px + env(safe-area-inset-bottom));
  -webkit-font-smoothing:antialiased;
}
.card{
  width:100%;max-width:420px;text-align:center;
  background:linear-gradient(180deg,#151517,#0f0f11);
  border:1px solid var(--line);border-radius:28px;
  padding:36px 24px 26px;
  box-shadow:0 30px 80px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.04);
  animation:in .6s ease-out both;
}
@keyframes in{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

.logo-wrap{
  width:120px;height:120px;margin:0 auto 18px;border-radius:50%;padding:4px;
  background:conic-gradient(from 0deg,var(--gold),var(--gold2),#8a6a2e,var(--gold));
  box-shadow:0 0 40px rgba(217,180,106,.25);
}
.logo{width:112px;height:112px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(circle at 50% 35%,#1d1b17,#0b0b0c);border:3px solid #0f0f11;
  font-size:30px;font-weight:800;letter-spacing:.08em;color:var(--gold2)}

h1{font-size:28px;letter-spacing:.06em;font-weight:800;
  background:linear-gradient(180deg,var(--gold2),var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.tag{margin:4px 0 30px;color:var(--muted);font-size:15px;font-weight:500}

.chips{display:flex;gap:8px;justify-content:center;margin:20px 0 26px;flex-wrap:wrap}
.chip{font-size:13px;color:var(--text);padding:6px 12px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--line)}
.chip b{color:var(--gold2)}

.join{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:center;gap:12px;
  width:100%;min-height:68px;border-radius:18px;
  background:linear-gradient(180deg,var(--tg),var(--tg2));
  color:#fff;text-decoration:none;font-size:20px;font-weight:700;letter-spacing:.01em;
  box-shadow:0 12px 32px rgba(42,171,238,.35), inset 0 1px 0 rgba(255,255,255,.25);
  transition:transform .15s ease, box-shadow .15s ease;
  -webkit-tap-highlight-color:transparent;
  animation:pulse 2.4s ease-in-out infinite;
}
.join svg{width:28px;height:28px;fill:#fff;flex:none}
.join::after{ /* ışık süzülmesi */
  content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);
  transform:skewX(-20deg);animation:shine 3.2s ease-in-out infinite;
}
.join:active{transform:scale(.97)}
.join.again{background:linear-gradient(180deg,#34c06a,#22a457);
  box-shadow:0 12px 32px rgba(52,192,106,.35), inset 0 1px 0 rgba(255,255,255,.25);animation:none}
@keyframes pulse{0%,100%{box-shadow:0 12px 32px rgba(42,171,238,.35),0 0 0 0 rgba(42,171,238,.45)}
  50%{box-shadow:0 12px 32px rgba(42,171,238,.35),0 0 0 10px rgba(42,171,238,0)}}
@keyframes shine{0%,60%{left:-60%}100%{left:130%}}

.hint{margin-top:12px;font-size:14px;color:var(--muted)}
.hint b{color:var(--text)}

.help{margin-top:20px;padding:16px;border-radius:16px;text-align:left;
  background:rgba(217,180,106,.07);border:1px solid rgba(217,180,106,.25);font-size:14.5px}
.help b{color:var(--gold2)}
.copy{margin-top:12px;width:100%;min-height:46px;border-radius:12px;cursor:pointer;
  background:transparent;color:var(--text);border:1px solid var(--line);font:600 15px/1 inherit;font-family:inherit}
.copy:active{transform:scale(.98)}

footer{margin-top:28px;font-size:12px;line-height:1.6;color:#8d867b}
footer a{color:var(--gold);text-decoration:none}

@media (prefers-reduced-motion:reduce){.card,.join,.join::after{animation:none}}