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

:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --border: #222222;
  --text: #f0f0f0;
  --muted: #888888;
  --accent: #ffffff;
  --green: #22c55e;
  --red: #ef4444;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

main {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  gap: 32px;
  max-width: 640px;
  margin: 0 auto;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 0;
  user-select: none;
}

.product-suffix {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  align-self: flex-end;
  margin-bottom: 10px;
  margin-left: 8px;
}

.logo {
  height: 52px;
  width: auto;
  display: block;
}

.tagline {
  text-align: center;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.steps {
  display: flex;
  gap: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.steps li::before {
  content: counter(step);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--border);
  color: var(--text);
  font-size: 11px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.steps li:not(:last-child)::after {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--border);
  margin: 0 8px;
}

.cta-area {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.cta-block {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.cta-block.hidden {
  display: none;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #000;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.04em;
  text-decoration: none;
  padding: 14px 40px;
  border-radius: 4px;
  transition: opacity 0.15s;
  text-transform: lowercase;
}

.btn:hover {
  opacity: 0.85;
}

.btn.secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  margin: 4px;
}

.cmd-box {
  width: 100%;
  display: flex;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.cmd-box code {
  flex: 1;
  padding: 12px 16px;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 12px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.copy-btn {
  background: var(--border);
  color: var(--text);
  border: none;
  padding: 12px 18px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: background 0.15s;
  flex-shrink: 0;
}

.copy-btn:hover {
  background: #333;
}

.copy-btn.copied {
  color: var(--green);
}

.cta-hint {
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}

.what-it-does {
  max-width: 480px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

.what-it-does strong {
  color: var(--text);
}

footer {
  font-size: 12px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

footer a {
  color: var(--muted);
  text-decoration: none;
}

footer a:hover {
  color: var(--text);
}

.dot {
  opacity: 0.4;
}

@media (max-width: 480px) {
  .steps {
    flex-direction: column;
    gap: 8px;
    align-self: flex-start;
  }

  .steps li::after {
    display: none !important;
  }

  .cmd-box code {
    font-size: 10px;
  }
}