:root {
  color-scheme: light;
  --bg: #f6f3ee;
  --paper: #fffdf9;
  --ink: #24201a;
  --muted: #6f675c;
  --line: #ded6c9;
  --accent: #7c3aed;
  --accent-soft: #ede9fe;
  --accent-dark: #5b21b6;
  --code: #f0ebe3;
  --warn: #8a4b18;
  --success: #166534;
  --success-soft: #dcfce7;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
}

a {
  color: var(--accent-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 40px 24px 64px;
}

.crumb {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 20px;
}

.hero {
  background: linear-gradient(135deg, #4c1d95 0%, #7c3aed 55%, #8b5cf6 100%);
  border: none;
  border-radius: 10px;
  padding: 36px;
  box-shadow: 0 10px 28px rgba(76, 29, 149, 0.18);
  color: #fff;
}

.hero h1 {
  color: #fff;
}

.hero .lede {
  color: rgba(255, 255, 255, 0.88);
}

.hero .pill {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.25);
  color: #fff;
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(32px, 6vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h2 {
  margin: 34px 0 12px;
  font-size: 22px;
}

h3 {
  margin: 22px 0 8px;
  font-size: 17px;
}

p {
  margin: 0 0 14px;
}

.lede {
  color: var(--muted);
  font-size: 18px;
  max-width: 760px;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.pill {
  background: var(--accent-soft);
  border: 1px solid #c4b5fd;
  border-radius: 999px;
  color: var(--accent-dark);
  font-size: 13px;
  padding: 4px 10px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.card,
.section {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
}

.card h2,
.card h3 {
  margin-top: 0;
}

.card p:last-child,
.section p:last-child,
li:last-child {
  margin-bottom: 0;
}

ul,
ol {
  padding-left: 22px;
  margin-top: 8px;
}

li {
  margin: 6px 0;
}

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

code {
  background: var(--code);
  border-radius: 5px;
  padding: 2px 5px;
  font-size: 0.9em;
}

pre {
  background: #26211b;
  border-radius: 8px;
  color: #f6efe5;
  overflow-x: auto;
  padding: 16px;
  font-size: 14px;
  line-height: 1.5;
}

pre code {
  background: transparent;
  padding: 0;
}

.callout {
  border-left: 4px solid var(--warn);
  color: #4f331f;
  padding: 10px 0 10px 16px;
  margin: 16px 0;
}

.callout-success {
  border-left-color: var(--success);
  background: var(--success-soft);
  border-radius: 0 8px 8px 0;
  padding: 12px 16px;
  color: #14532d;
}

.callout-accent {
  border-left-color: var(--accent);
  background: var(--accent-soft);
  border-radius: 0 8px 8px 0;
  padding: 12px 16px;
  color: #4c1d95;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 12px 0;
}

th,
td {
  border: 1px solid var(--line);
  padding: 8px 12px;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--accent-soft);
  font-weight: 600;
  color: var(--accent-dark);
}

tr:nth-child(even) td {
  background: rgba(246, 243, 238, 0.5);
}

.table-wrap {
  overflow-x: auto;
  margin: 12px 0;
}

.workflow {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 16px 0;
  font-size: 14px;
}

.workflow-step {
  background: var(--accent-soft);
  border: 1px solid #c4b5fd;
  border-radius: 8px;
  padding: 8px 14px;
  font-weight: 500;
  color: var(--accent-dark);
}

.workflow-arrow {
  color: var(--muted);
  font-size: 18px;
}

.skill-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px 20px;
  background: var(--paper);
  margin-top: 14px;
}

.skill-card h3 {
  margin: 0 0 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.skill-badge {
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ref-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ref-list li {
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}

.ref-list li:last-child {
  border-bottom: none;
}

.ref-list strong {
  display: block;
  margin-bottom: 4px;
}

.category-num {
  display: inline-block;
  width: 24px;
  height: 24px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  border-radius: 50%;
  text-align: center;
  line-height: 24px;
  font-size: 12px;
  font-weight: 700;
  margin-right: 8px;
}

@media (max-width: 720px) {
  .page {
    padding: 24px 16px 48px;
  }

  .hero {
    padding: 24px;
  }

  .workflow {
    flex-direction: column;
    align-items: stretch;
  }

  .workflow-arrow {
    text-align: center;
    transform: rotate(90deg);
  }
}