:root {
  --paper: #f4f4f3;
  --ink: #0b0b0c;
  --ink-light: #2a2a2a;
  --emphasis: #e5484d;
  --gray-300: #d6d3d1;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --border: #0b0b0c14;
  --card: #ffffff;
  --radius: 14px;
  --font-sans: "Inter", "SF Pro Text", system-ui, -apple-system, sans-serif;
  --font-mono: "SF Mono", ui-monospace, "JetBrains Mono", Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0b0b0c;
    --ink: #f4f4f3;
    --ink-light: #9ca3af;
    --border: #ffffff1a;
    --card: #161617;
  }
}

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

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

main {
  flex: 1;
  width: 100%;
  max-width: 44rem;
  margin: 0 auto;
  padding: 5rem 1.25rem 2rem;
}

/* ── hero ─────────────────────────────────────────── */
.hero { text-align: center; margin-bottom: 2.75rem; }

.mark {
  width: 52px;
  height: 52px;
  margin: 0 auto 1.1rem;
  border-radius: 14px;
  background: var(--emphasis);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mark svg { width: 26px; height: 26px; }

.hero .kicker {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 0.5rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--ink);
}

.hero h1 .em { color: var(--emphasis); }

.hero .sub {
  margin: 1rem auto 0;
  max-width: 30rem;
  color: var(--gray-500);
  font-size: 1.05rem;
}

/* ── relay address ────────────────────────────────── */
.card {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card);
  padding: 1.4rem;
  margin-bottom: 1rem;
}

.card h5 {
  margin: 0 0 0.7rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-500);
}

.card p { margin: 0 0 0.9rem; font-size: 0.95rem; line-height: 1.65; }
.card p:last-child { margin-bottom: 0; }
.card a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.card a:hover { color: var(--emphasis); }

.relay-box {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--paper);
}

.relay-box code {
  flex: 1;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.copy-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: none;
  border-radius: 8px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.5rem 0.8rem;
  cursor: pointer;
  transition: background 0.15s ease;
}

.copy-btn:hover { background: var(--ink-light); }
.copy-btn.copied { background: #16a34a; }
.copy-btn svg { width: 13px; height: 13px; }

@media (prefers-color-scheme: dark) {
  .copy-btn { background: var(--paper); color: var(--ink); }
  .copy-btn:hover { background: var(--gray-400); }
}

/* ── steps ────────────────────────────────────────── */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
}

.step {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 0.8rem;
  text-align: center;
}

.step .num {
  width: 24px;
  height: 24px;
  margin: 0 auto 0.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--ink);
  color: var(--paper);
}

.step .t { font-size: 0.87rem; font-weight: 700; }
.step .d { font-size: 0.78rem; color: var(--gray-500); margin-top: 0.2rem; }

@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

/* ── CTA ──────────────────────────────────────────── */
.btn-cta {
  display: inline-block;
  border: none;
  border-radius: 10px;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.92rem;
  font-weight: 700;
  padding: 0.7rem 1.3rem;
  text-decoration: none;
  transition: background 0.15s ease;
}

.btn-cta:hover { background: var(--ink-light); }

/* ── status line ──────────────────────────────────── */
.status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1.75rem;
  font-size: 0.8rem;
  color: var(--gray-500);
}

.status .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #16a34a;
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.15);
}

/* ── footer ───────────────────────────────────────── */
footer {
  text-align: center;
  padding: 2rem 1rem 2.75rem;
  font-size: 0.8rem;
  color: var(--gray-500);
}

footer a { color: var(--gray-500); text-decoration: none; }
footer a:hover { color: var(--emphasis); }
footer .sep { margin: 0 0.6rem; opacity: 0.5; }

.hidden { display: none !important; }
/* bootstrap-compat helper used by the template's section classes */
.d-none { display: none !important; }
/* template section classes (bootstrap-compat): hide when empty-fee */
.d-none { display: none !important; }