:root {
  --bg: #050505;
  --fg: #f4f1ea;
  --muted: #7d7b76;
  --accent: #e3261b;
  --gutter: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--fg);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
}

.stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6vh var(--gutter) 4vh;
}

.billboard {
  margin: 0;
  width: 100%;
  max-width: 1400px;
}

.billboard__img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 78vh;
  object-fit: contain;
  box-shadow: 0 0 120px rgba(0, 0, 0, 0.9);
}

.donate {
  text-align: center;
  margin-top: 7vh;
}

.donate__title {
  font-family: "Anton", Impact, "Arial Narrow Bold", sans-serif;
  font-weight: 400;
  text-transform: uppercase;
  font-size: clamp(2rem, 6vw, 4.5rem);
  line-height: 1;
  margin: 0 auto;
  max-width: 16ch;
}

.donate__button {
  display: inline-block;
  margin-top: 2rem;
  padding: 1rem 3.5rem;
  background: var(--accent);
  color: var(--fg);
  text-decoration: none;
  font-family: "Anton", Impact, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 1.5rem;
  border: 3px solid var(--accent);
  transition: background .15s, color .15s;
}
.donate__button:hover { background: var(--fg); color: var(--bg); }
.donate__button.is-disabled { opacity: 0.45; cursor: not-allowed; pointer-events: none; }

.donate__note {
  margin: 1rem 0 0;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
}

.footer {
  padding: 2rem var(--gutter);
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}
.footer p { margin: 0; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}