/* Simple Macro Guide — calm, nonpartisan educational design */
:root {
  --ink: #1a2332;
  --ink-muted: #4a5568;
  --paper: #f7f4ef;
  --paper-card: #ffffff;
  --accent: #2a6f6f;
  --accent-soft: #e6f2f2;
  --accent-dark: #1e5252;
  --line: #d9d2c5;
  --warn: #8b5a2b;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(26, 35, 50, 0.06), 0 8px 24px rgba(26, 35, 50, 0.04);
  --font-sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --max: 720px;
  --wide: 1080px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img { max-width: 100%; height: auto; }

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 0; }

.site-header {
  background: var(--paper-card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.logo {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.logo span { color: var(--accent); }

.nav-toggle {
  display: none;
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.4rem 0.75rem;
  font: inherit;
  cursor: pointer;
  color: var(--ink);
}
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.35rem 1.1rem;
  flex-wrap: wrap;
}
.site-nav a {
  color: var(--ink-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] { color: var(--accent); }

main { flex: 1; }

.wrap {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}
.narrow { max-width: var(--max); margin-left: auto; margin-right: auto; }

.hero {
  padding: 2.5rem 0 1.5rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2rem;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 4vw, 2.6rem);
  line-height: 1.2;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}
.hero .lede {
  font-size: 1.15rem;
  color: var(--ink-muted);
  max-width: 38rem;
  margin: 0;
}
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}
.badge {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
}

h2 {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  margin: 2rem 0 0.75rem;
  letter-spacing: -0.015em;
}
h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin: 1.5rem 0 0.5rem;
}
.article-body h2:first-child { margin-top: 0; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  margin: 1.25rem 0 2rem;
}
.card {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  transition: border-color 0.15s ease;
}
.card:hover { border-color: var(--accent); }
.card h3 { margin-top: 0; font-size: 1.1rem; }
.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a:hover { color: var(--accent); }
.card p { margin: 0.4rem 0 0; color: var(--ink-muted); font-size: 0.95rem; }

.article-meta {
  color: var(--ink-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}
.article-body p { margin: 0 0 1rem; }
.article-body ul, .article-body ol {
  margin: 0 0 1.25rem;
  padding-left: 1.35rem;
}
.article-body li { margin-bottom: 0.4rem; }
.article-body blockquote {
  margin: 1.25rem 0;
  padding: 0.75rem 1rem;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  color: var(--ink-muted);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.callout {
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  margin: 1.5rem 0;
}
.callout.warning {
  background: #faf6f0;
  border-color: #e0d0b8;
}
.callout strong { color: var(--accent-dark); }

.example-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--warn);
  background: #faf6f0;
  border: 1px solid #e0d0b8;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
}

.source-list {
  font-size: 0.92rem;
  color: var(--ink-muted);
}
.source-list a { word-break: break-word; }

.toc {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}
.toc h2 { margin: 0 0 0.5rem; font-size: 1.1rem; }
.toc ul { margin: 0; padding-left: 1.2rem; columns: 2; gap: 1.5rem; }
.toc li { break-inside: avoid; margin-bottom: 0.25rem; }
@media (max-width: 560px) {
  .toc ul { columns: 1; }
}

.glossary-term {
  scroll-margin-top: 5rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}
.glossary-term:last-child { border-bottom: none; }
.glossary-term h3 { margin: 0 0 0.35rem; }
.glossary-term p { margin: 0; color: var(--ink-muted); }

.calc-panel {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  max-width: 420px;
}
.calc-panel label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin: 0.85rem 0 0.35rem;
}
.calc-panel label:first-of-type { margin-top: 0; }
.calc-panel input {
  width: 100%;
  padding: 0.55rem 0.7rem;
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
}
.calc-panel input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
.calc-actions {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.15rem;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff !important;
  border: none;
  border-radius: 6px;
  padding: 0.55rem 1.1rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--accent-dark); }
.btn-secondary {
  background: transparent;
  color: var(--ink) !important;
  border: 1px solid var(--line);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent) !important; background: var(--accent-soft); }
.calc-result {
  margin-top: 1.25rem;
  padding: 1rem;
  background: var(--accent-soft);
  border-radius: var(--radius);
  display: none;
}
.calc-result.visible { display: block; }
.calc-result .amount {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent-dark);
}
.calc-result .detail { font-size: 0.92rem; color: var(--ink-muted); margin-top: 0.35rem; }
.calc-error {
  color: #8b2e2e;
  font-size: 0.9rem;
  margin-top: 0.75rem;
  display: none;
}
.calc-error.visible { display: block; }

.contact-form {
  max-width: 480px;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}
.contact-form label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin: 0.85rem 0 0.35rem;
}
.contact-form label:first-of-type { margin-top: 0; }
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
}
.contact-form textarea { min-height: 140px; resize: vertical; }

.stat-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: 1rem 0 1.5rem;
  background: var(--paper-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}
.stat-table th,
.stat-table td {
  text-align: left;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--line);
}
.stat-table th {
  background: var(--accent-soft);
  font-weight: 600;
}
.stat-table tr:last-child td { border-bottom: none; }

.related {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.related ul { padding-left: 1.2rem; }

.site-footer {
  background: var(--ink);
  color: #c8cfd8;
  padding: 2rem 1.25rem;
  font-size: 0.9rem;
  margin-top: auto;
}
.footer-inner {
  max-width: var(--wide);
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1.4fr 1fr 1fr;
}
.site-footer a { color: #a8d4d4; }
.site-footer a:hover { color: #fff; }
.site-footer h2 {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #8a93a0;
  margin: 0 0 0.6rem;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 0.35rem; }
.footer-note { grid-column: 1 / -1; border-top: 1px solid #2e3a4a; padding-top: 1rem; color: #8a93a0; font-size: 0.85rem; }

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    width: 100%;
  }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; gap: 0.5rem; padding: 0.5rem 0 0.25rem; }
  .footer-inner { grid-template-columns: 1fr; }
}

@media print {
  .site-header, .site-footer, .nav-toggle { display: none; }
  body { background: #fff; }
}