/* Pure Premise — shared stylesheet. No web fonts, no external requests. */

:root {
  --steel: #2f5d7c;
  --steel-dark: #234a63;
  --oat: #f1ece1;
  --paper: #fbfaf7;
  --charcoal: #22262b;
  --charcoal-soft: #474d55;
  --rule: #d9d3c6;
  --radius: 8px;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--charcoal);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.72;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--charcoal);
  color: #fff;
  padding: 10px 16px;
  font-family: var(--sans);
  z-index: 50;
}
.skip-link:focus { left: 8px; top: 8px; }

a { color: var(--steel-dark); }
a:hover { color: var(--charcoal); }
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--steel);
  outline-offset: 2px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}

.header-inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.wordmark {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
  color: var(--charcoal);
  text-decoration: none;
}

.menu-toggle {
  font-family: var(--sans);
  font-size: 0.92rem;
  background: var(--oat);
  color: var(--charcoal);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 7px 12px;
  cursor: pointer;
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-family: var(--sans);
  font-size: 0.95rem;
  text-decoration: none;
  color: var(--charcoal-soft);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--charcoal);
  border-bottom-color: var(--steel);
}

@media (max-width: 719px) {
  .site-nav {
    display: none;
    width: 100%;
    padding-bottom: 10px;
  }
  .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; gap: 10px; }
  .header-inner { flex-wrap: wrap; }
}

@media (min-width: 720px) {
  .menu-toggle { display: none; }
}

/* ---------- Reading column ---------- */

main { display: block; }

.wrap {
  max-width: 660px;
  margin: 0 auto;
  padding: 28px 20px 48px;
}

.wrap-wide {
  max-width: 860px;
  margin: 0 auto;
  padding: 28px 20px 48px;
}

h1, h2, h3, h4 {
  font-family: var(--sans);
  line-height: 1.26;
  color: var(--charcoal);
}

h1 { font-size: 1.85rem; margin: 0 0 14px; }
h2 { font-size: 1.3rem; margin: 38px 0 10px; }
h3 { font-size: 1.08rem; margin: 26px 0 8px; }

p { margin: 0 0 16px; }

ul, ol { margin: 0 0 18px; padding-left: 24px; }
li { margin-bottom: 8px; }

.lede { font-size: 1.1rem; }

.step-indicator {
  font-family: var(--sans);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--charcoal-soft);
  margin: 0 0 8px;
}

/* ---------- Boxes ---------- */

.disclosure {
  border-left: 4px solid var(--steel);
  background: var(--oat);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 24px 0;
}
.disclosure p { margin: 0 0 10px; }
.disclosure p:last-child { margin-bottom: 0; }

.callout {
  border-left: 4px solid var(--steel);
  background: #fff;
  border: 1px solid var(--rule);
  border-left: 4px solid var(--steel);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin: 24px 0;
}

.checklist {
  border: 1px solid var(--rule);
  border-left: 4px solid var(--steel);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin: 28px 0;
  background: #fff;
}
.checklist h2, .checklist h3 { margin-top: 0; }
.checklist ul { list-style: none; padding-left: 0; }
.checklist li {
  position: relative;
  padding-left: 34px;
  margin-bottom: 12px;
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.38em;
  width: 16px;
  height: 16px;
  border: 2px solid var(--charcoal-soft);
  border-radius: 3px;
}

.summary-box {
  background: var(--oat);
  border-radius: var(--radius);
  border-left: 4px solid var(--charcoal-soft);
  padding: 14px 18px;
  margin: 26px 0;
}

.glossary {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 14px 0;
  margin: 26px 0;
}
.glossary dt { font-family: var(--sans); font-weight: 600; font-size: 0.96rem; margin-top: 10px; }
.glossary dd { margin: 2px 0 0; }

.affiliate-note {
  font-family: var(--sans);
  font-size: 0.86rem;
  color: var(--charcoal-soft);
  margin: -8px 0 18px;
}

table {
  border-collapse: collapse;
  width: 100%;
  margin: 0 0 22px;
  font-size: 0.96rem;
}
th, td {
  border: 1px solid var(--rule);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}
th { background: var(--oat); font-family: var(--sans); }

.steps-list { counter-reset: none; }

.pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--rule);
  margin-top: 36px;
  padding-top: 16px;
  font-family: var(--sans);
  font-size: 0.95rem;
}

.print-button {
  font-family: var(--sans);
  font-size: 0.95rem;
  background: var(--steel);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 10px 16px;
  cursor: pointer;
}
.print-button:hover { background: var(--steel-dark); }

.rule-art { display: block; margin: 26px auto; }

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--rule);
  background: var(--oat);
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--charcoal);
}
.footer-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 26px 20px 34px;
}
.footer-inner address {
  font-style: normal;
  margin: 0 0 12px;
}
.footer-inner .publisher-name { font-weight: 600; }
.footer-links { margin: 0 0 12px; }
.footer-links a { margin-right: 4px; }
.footer-note { margin: 0 0 10px; max-width: 70ch; }
.footer-reviewed { margin: 0; color: var(--charcoal-soft); }

/* ---------- Wide-screen step numerals in the margin ---------- */

@media (min-width: 1100px) {
  .margin-number {
    position: absolute;
    left: -110px;
    top: 0;
    font-family: var(--sans);
    font-size: 3.2rem;
    color: var(--rule);
    line-height: 1;
  }
  .has-margin-number { position: relative; }
}
@media (max-width: 1099px) {
  .margin-number { display: none; }
}

/* ---------- Print ---------- */

@media print {
  .site-header, .pager, .print-button, .skip-link, .no-print { display: none !important; }
  body { background: #fff; font-size: 12pt; }
  .wrap, .wrap-wide { max-width: none; padding: 0; }
  .checklist { page-break-inside: avoid; border: 1px solid #999; border-left: 3px solid #333; }
  .checklist li::before { border-color: #333; }
  .site-footer { background: #fff; border-top: 1px solid #999; font-size: 9pt; }
  a { color: #000; text-decoration: underline; }
}