:root {
  --bg: #f7f1e6;
  --panel: #fffaf1;
  --text: #2f2a24;
  --muted: #6c6257;
  --line: #dfd3bf;
  --accent: #9b5a2e;
  --accent-soft: #f1dfcc;
  --shadow: 0 12px 32px rgba(72, 45, 19, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  background:
    radial-gradient(circle at top right, rgba(155, 90, 46, 0.08), transparent 24rem),
    linear-gradient(180deg, #fbf6ee 0%, var(--bg) 100%);
  color: var(--text);
  line-height: 1.65;
}

a {
  color: var(--accent);
}

.shell {
  max-width: 980px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.brand {
  text-decoration: none;
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.mode-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.mode-link {
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 250, 241, 0.72);
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 0.95rem;
}

.mode-link.active {
  background: var(--accent-soft);
  border-color: rgba(155, 90, 46, 0.35);
  color: var(--accent);
}

.hero,
.panel {
  background: rgba(255, 250, 241, 0.86);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.hero {
  padding: 28px;
  margin-bottom: 22px;
}

.panel {
  padding: 24px;
  margin-top: 20px;
}

h1, h2, h3 {
  line-height: 1.15;
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}

h2 {
  font-size: 1.55rem;
  margin-top: 8px;
}

h3 {
  font-size: 1.15rem;
}

p {
  margin: 0 0 14px;
}

ul, ol {
  margin: 0 0 14px 22px;
}

.lede {
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 48rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.card {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
}

.card h3 {
  margin-bottom: 8px;
}

.card p {
  color: var(--muted);
}

.cta {
  display: inline-block;
  margin-top: 10px;
  text-decoration: none;
  font-weight: 700;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.76rem;
  color: var(--accent);
  margin-bottom: 10px;
}

.steps {
  display: grid;
  gap: 14px;
}

.step {
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.68);
}

.step strong {
  display: block;
  margin-bottom: 6px;
}

code, pre {
  font-family: "SFMono-Regular", Menlo, Consolas, monospace;
}

code {
  background: rgba(155, 90, 46, 0.09);
  padding: 0.15em 0.35em;
  border-radius: 6px;
}

pre {
  background: #2d241d;
  color: #fdf8f2;
  padding: 16px;
  border-radius: 14px;
  overflow: auto;
}

.muted {
  color: var(--muted);
}

@media (max-width: 640px) {
  .shell {
    padding: 20px 14px 48px;
  }

  .hero,
  .panel {
    padding: 18px;
    border-radius: 16px;
  }
}