:root {
  --read-bg: #f7f6f1;
  --read-ink: #132019;
  --read-muted: #4a584f;
  --read-surface: #ffffff;
  --read-accent: #1f6a4a;
  --read-accent-ink: #ffffff;
  --read-border: #d8ddd8;
  --read-band: #eef3ef;
  --read-shadow: 0 8px 20px rgba(19, 32, 25, 0.06);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Roboto, sans-serif;
  color: var(--read-ink);
  background: linear-gradient(180deg, #fbfaf7 0%, var(--read-bg) 100%);
  line-height: 1.6;
}

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

.container {
  width: min(1100px, 100% - 2rem);
  margin: 0 auto;
}

.container-narrow {
  width: min(780px, 100% - 2rem);
  margin: 0 auto;
}

.read-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--read-border);
  background: rgba(247, 246, 241, 0.92);
  backdrop-filter: blur(8px);
}

.read-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0;
}

.read-brand {
  font-weight: 800;
  letter-spacing: 0.06em;
  text-decoration: none;
}

.read-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.read-nav a {
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
}

.read-nav a[aria-current="page"] {
  border-color: var(--read-border);
  background: var(--read-surface);
}

.section {
  padding: 3rem 0;
}

.section-band {
  background: var(--read-band);
  border-block: 1px solid var(--read-border);
}

.headline {
  margin: 0.2rem 0 0.8rem;
  line-height: 1.15;
  font-size: clamp(1.6rem, 2.7vw, 2.6rem);
}

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

.eyebrow {
  margin: 0;
  font-size: 0.83rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--read-muted);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.role-grid {
  list-style: none;
  margin: 1rem 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.surface {
  background: var(--read-surface);
  border: 1px solid var(--read-border);
  border-radius: 14px;
  padding: 1rem;
  box-shadow: var(--read-shadow);
}

.stack-sm > * + * {
  margin-top: 0.45rem;
}

.stack-md > * + * {
  margin-top: 0.8rem;
}

.metric-value {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.status-banner {
  margin-top: 1rem;
  border: 1px dashed #aeb8ae;
  background: #f2f7f2;
  border-radius: 12px;
  padding: 0.7rem 0.9rem;
}

.button {
  display: inline-block;
  text-decoration: none;
  border-radius: 10px;
  border: 1px solid var(--read-border);
  background: #fff;
  color: var(--read-ink);
  padding: 0.52rem 0.9rem;
  margin-right: 0.45rem;
  margin-top: 0.4rem;
}

.button-primary {
  background: var(--read-accent);
  color: var(--read-accent-ink);
  border-color: var(--read-accent);
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  border: 1px solid var(--read-border);
  padding: 0.55rem;
  text-align: left;
}

.code-block {
  border: 1px solid var(--read-border);
  background: #0f1712;
  color: #d9f7df;
  border-radius: 12px;
  padding: 0.9rem;
  overflow: auto;
}

.breadcrumb ol {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  margin: 0 0 0.8rem;
  padding: 0;
  color: var(--read-muted);
  font-size: 0.92rem;
}

.status-line {
  color: var(--read-muted);
}

.read-footer {
  border-top: 1px solid var(--read-border);
  padding: 1.8rem 0 2.6rem;
  background: #f2f1eb;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: #fff;
  padding: 0.5rem 0.7rem;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
  z-index: 100;
}

@media (max-width: 840px) {
  .grid-3,
  .role-grid {
    grid-template-columns: 1fr;
  }

  .read-header .container {
    flex-direction: column;
    align-items: flex-start;
  }
}