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

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", sans-serif;
  color: #1e293b;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(16, 185, 129, 0.1), transparent),
    #f8fafc;
}

.page {
  max-width: 42rem;
  margin: 0 auto;
  padding: 3rem 1.25rem 2rem;
}

.hero {
  text-align: center;
  margin-bottom: 2rem;
}

.hero__eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #64748b;
}

.hero__title {
  margin: 0;
  font-size: clamp(2rem, 6vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #0f172a;
}

.hero__lead {
  margin: 0.75rem auto 0;
  max-width: 32rem;
  font-size: 1rem;
  line-height: 1.6;
  color: #475569;
}

.panel {
  padding: 1.5rem;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  background: #fff;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.panel + .panel {
  margin-top: 1rem;
}

.panel h2 {
  margin: 0 0 0.75rem;
  font-size: 1.125rem;
  color: #0f172a;
}

.meta {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: #475569;
}

.meta strong {
  color: #0f172a;
}

.download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0 1.25rem;
  border: 0;
  border-radius: 10px;
  background: #059669;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease;
}

.download-button:hover {
  background: #047857;
}

.download-button[disabled],
.download-button.is-disabled {
  background: #94a3b8;
  pointer-events: none;
  cursor: not-allowed;
}

.steps {
  margin: 0;
  padding-left: 1.25rem;
  color: #475569;
  line-height: 1.7;
}

.steps li + li {
  margin-top: 0.35rem;
}

.note {
  margin: 1rem 0 0;
  padding: 0.875rem 1rem;
  border-radius: 8px;
  background: #f1f5f9;
  font-size: 0.875rem;
  line-height: 1.6;
  color: #475569;
}

.footer {
  margin-top: 2rem;
  text-align: center;
  font-size: 0.8125rem;
  color: #94a3b8;
}

.footer a {
  color: #64748b;
}