:root {
  --accent: #2563eb;
  --ink: #1a1a1a;
  --muted: #6b7280;
  --bg: #ffffff;
  --card-bg: #f8f9fb;
  --border: #e5e7eb;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

.page-header {
  padding: 64px 0 32px;
  text-align: center;
}

.page-header h1 {
  font-size: clamp(28px, 5vw, 40px);
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.subhead {
  color: var(--muted);
  font-size: 18px;
  margin: 0;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0 0 64px;
  counter-reset: step;
}

.step {
  counter-increment: step;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

.step:last-child {
  border-bottom: none;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 16px;
}

.step-content h2 {
  font-size: 20px;
  margin: 6px 0 8px;
}

.step-content p {
  margin: 0 0 16px;
  color: #374151;
}

.step-content a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.step-content a:hover {
  opacity: 0.8;
}

.step-content img {
  width: 100%;
  max-width: 480px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: block;
  background: var(--card-bg);
}

.page-footer {
  padding: 32px 0 64px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  border-top: 1px solid var(--border);
}

@media (max-width: 560px) {
  .step {
    grid-template-columns: 40px 1fr;
    gap: 14px;
  }
}