:root {
  --bg: #0b0b10;
  --bg-card: #16161f;
  --fg: #f5f5f7;
  --muted: #a0a0b0;
  --gold: #f5c542;
  --gold-2: #ffdd77;
  --accent: #6c5ce7;
  --radius: 18px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #1a1a2e 0%, var(--bg) 55%);
  color: var(--fg);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
}

.lang-switch {
  text-align: right;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--muted);
}
.lang-switch a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.2rem 0.4rem;
  border-radius: 8px;
}
.lang-switch a.active { color: var(--gold); font-weight: 700; }
.lang-switch a:hover { color: var(--fg); }

.hero { text-align: center; padding: 3.5rem 0 2.5rem; }

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.1rem, 7vw, 3.6rem);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.gold {
  background: linear-gradient(90deg, var(--gold), var(--gold-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sub {
  max-width: 560px;
  margin: 1.5rem auto 0;
  color: var(--muted);
  font-size: 1.08rem;
}
.sub strong { color: var(--fg); }

.donate {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin: 1rem 0 3rem;
}
@media (max-width: 640px) {
  .donate { grid-template-columns: 1fr; }
}

.card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius);
  padding: 1.6rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
}
.card h2 { font-size: 1.15rem; }

.qr {
  background: #fff;
  padding: 10px;
  border-radius: 12px;
  line-height: 0;
}
.qr img { display: block; width: 220px; height: 220px; object-fit: contain; }

.muted { color: var(--muted); font-size: 0.92rem; }

.copy-row {
  display: flex;
  width: 100%;
  gap: 0.5rem;
  align-items: stretch;
}
.copy-row code {
  flex: 1;
  min-width: 0;
  background: #0c0c12;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 0.6rem 0.7rem;
  font-size: 0.8rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--muted);
}
.copy-row button {
  border: 0;
  border-radius: 10px;
  padding: 0 1rem;
  font-weight: 700;
  cursor: pointer;
  background: var(--gold);
  color: #1a1400;
  transition: transform 0.1s ease, background 0.2s ease;
}
.copy-row button:hover { background: var(--gold-2); }
.copy-row button:active { transform: scale(0.96); }
.copy-row button.copied { background: #2ecc71; color: #04230f; }

.card form { display: contents; }

.btn {
  display: inline-block;
  margin-top: auto;
  background: linear-gradient(90deg, #0070ba, #003087);
  color: #fff;
  text-decoration: none;
  font-family: inherit;
  font-size: inherit;
  font-weight: 700;
  padding: 0.85rem 1.6rem;
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.1s ease, filter 0.2s ease;
}
.btn:hover { filter: brightness(1.1); }
.btn:active { transform: scale(0.97); }

.why {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}
.why h2 { font-size: 1.4rem; margin-bottom: 0.75rem; }
.why p { color: var(--muted); }

.foot {
  text-align: center;
  margin-top: 3.5rem;
  font-size: 0.82rem;
  color: var(--muted);
  opacity: 0.7;
}