/* T12 Advisory — ink on ledger paper. Tokens from design/tokens.md.
   Served with CSP style-src 'self': ALL styling lives here, no inline styles. */

:root {
  --t12-ink: #1B2A38;
  --t12-ink-deep: #101D29;
  --t12-paper: #F7F4EE;
  --t12-card: #FDFBF7;
  --t12-white: #FFFFFF;
  --t12-brass-700: #8A6320;
  --t12-brass-800: #7A5716;
  --t12-brass-bright: #C9A25A;
  --t12-teal: #1E5A54;
  --t12-gray-700: #4A545E;
  --t12-gray-500: #67707B;
  --t12-line: #DCD5C8;
  --t12-line-strong: #B9AF9C;
  --t12-paper-dim: #C9CFD4;
  --t12-error: #8C2F2F;
  --t12-font-serif: Charter, 'Bitstream Charter', 'Iowan Old Style',
                    'Palatino Linotype', Georgia, 'Times New Roman', serif;
  --t12-font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
                   'Helvetica Neue', Arial, sans-serif;
  --t12-max-shell: 1120px;
  --t12-max-prose: 720px;
  --t12-max-form: 480px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--t12-paper);
  color: var(--t12-ink);
  font-family: var(--t12-font-sans);
  font-size: 16px;
  line-height: 1.65;
}

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

.shell {
  max-width: var(--t12-max-shell);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

@media (min-width: 900px) {
  .shell { padding-left: 48px; padding-right: 48px; }
}

h1, h2, h3, .page-heading {
  font-family: var(--t12-font-serif);
  font-weight: 700;
  color: var(--t12-ink);
  margin: 0 0 16px;
}

h1, .page-heading { font-size: 42px; line-height: 1.15; }
h2 { font-size: 33px; line-height: 1.25; }
h3 { font-size: 21px; line-height: 1.45; }

@media (max-width: 719px) {
  h1, .page-heading { font-size: 36px; }
  h2 { font-size: 28px; }
}

p { margin: 0 0 16px; }

a { color: var(--t12-brass-700); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--t12-brass-800); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible,
summary:focus-visible { outline: 2px solid var(--t12-brass-800); outline-offset: 2px; }

/* Brass-800 fails 3:1 on the ink-deep footer; use the bright variant there. */
.site-footer a:focus-visible { outline-color: var(--t12-brass-bright); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10;
  background: var(--t12-ink);
  color: var(--t12-white);
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
}
.skip-link:focus {
  left: 8px;
  top: 8px;
  color: var(--t12-white);
}

.num, .stat, .ledger-table td.num {
  font-variant-numeric: lining-nums tabular-nums;
  font-feature-settings: 'lnum' 1, 'tnum' 1;
}

/* ---- header ---- */

.site-header {
  border-bottom: 1px solid var(--t12-line-strong);
  background: var(--t12-paper);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 16px;
  padding-bottom: 16px;
  flex-wrap: wrap;
}

.brand { display: inline-flex; align-items: center; }
.brand-logo { display: block; width: 220px; height: auto; }

.site-nav { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.site-nav a {
  color: var(--t12-ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}
.site-nav a:hover { text-decoration: underline; text-underline-offset: 3px; }
.site-nav a.btn-primary { color: var(--t12-white); }
.site-nav a.btn-primary:hover { color: var(--t12-white); text-decoration: none; }

/* ---- buttons ---- */

.btn {
  display: inline-block;
  font-family: var(--t12-font-sans);
  font-size: 15px;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: 2px;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease;
}

.btn-primary {
  background: var(--t12-ink);
  color: var(--t12-white);
  border: 1px solid var(--t12-ink);
}
.btn-primary:hover { background: var(--t12-ink-deep); color: var(--t12-white); }

.btn-secondary {
  background: transparent;
  color: var(--t12-ink);
  border: 1px solid var(--t12-ink);
}
.btn-secondary:hover { background: #EFEAE0; color: var(--t12-ink); }

.btn-nav { padding: 9px 16px; font-size: 14px; }
.btn-block { width: 100%; border: 1px solid var(--t12-ink); }

.link-tertiary {
  color: var(--t12-brass-700);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
  font-size: 15px;
}
.link-tertiary:hover { color: var(--t12-brass-800); }

/* ---- hero ---- */

.hero { padding: 96px 0 64px; }

@media (min-width: 900px) { .hero { padding-top: 128px; } }

.hero-grid { display: grid; grid-template-columns: 1fr; gap: 48px; }

@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 3fr 2fr; align-items: start; }
}

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--t12-brass-700);
  margin-bottom: 12px;
}

.lede { font-size: 18px; line-height: 1.6; color: var(--t12-gray-700); }

.cta-row { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; margin: 24px 0 12px; }
.cta-row-center { justify-content: center; }

.hero-support { font-size: 13px; color: var(--t12-gray-500); }

.hero-ledger { padding: 24px; }

@media (max-width: 899px) { .hero-ledger { display: none; } }

.ledger-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--t12-gray-700);
  margin-bottom: 12px;
}

.ledger-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.ledger-table td, .ledger-table th {
  padding: 6px 0;
  border-bottom: 1px solid var(--t12-line);
  font-weight: 400;
  text-align: left;
}
.ledger-table td.num { text-align: right; }
.ledger-table .ledger-total td, .ledger-table .ledger-total th {
  font-weight: 600;
  border-top: 2px solid var(--t12-brass-800);
  border-bottom: 2px solid var(--t12-brass-800);
}
.ledger-note { font-size: 13px; color: var(--t12-gray-500); margin: 12px 0 0; }

/* ---- sections ---- */

.section { padding: 64px 0; border-top: 1px solid var(--t12-line-strong); }

@media (min-width: 900px) { .section { padding: 96px 0; } }

.hero + .section, .section:first-child { border-top: none; }

.section-heading { margin-bottom: 16px; }
.section-intro { font-size: 18px; color: var(--t12-gray-700); max-width: var(--t12-max-prose); }
.section-close { color: var(--t12-gray-700); margin-top: 32px; }

.section-dark { background: var(--t12-ink-deep); border-top: none; }
.section-dark .section-heading { color: var(--t12-paper); }
.section-close-dark { color: var(--t12-paper-dim); }

.prose { max-width: var(--t12-max-prose); }
.prose-shell { max-width: calc(var(--t12-max-prose) + 96px); }
.prose-dark p { color: var(--t12-paper-dim); }
.prose ul, .prose ol { padding-left: 24px; }
.prose li { margin-bottom: 8px; }

.grid-2 { display: grid; grid-template-columns: 1fr; gap: 24px; margin-top: 32px; }

@media (min-width: 720px) { .grid-2 { grid-template-columns: 1fr 1fr; } }

.card {
  background: var(--t12-card);
  border: 1px solid var(--t12-line);
  border-radius: 4px;
  padding: 24px;
}

.card h3 { margin-bottom: 8px; }
.card p { color: var(--t12-gray-700); margin-bottom: 0; }

.card-accent { border-top: 3px solid var(--t12-brass-800); }

.steps { list-style: none; counter-reset: step; padding: 0; margin: 32px 0 0; max-width: var(--t12-max-prose); }
.steps > li { counter-increment: step; position: relative; padding-left: 64px; margin-bottom: 32px; }
.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  border: 1px solid var(--t12-ink);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--t12-font-serif);
  font-size: 21px;
  font-weight: 700;
  color: var(--t12-ink);
  background: var(--t12-card);
}
.steps h3 { margin-bottom: 4px; }
.steps p { color: var(--t12-gray-700); }

.steps-compact { margin-top: 16px; }
.steps-compact > li { padding-left: 48px; margin-bottom: 16px; }
.steps-compact > li::before { width: 32px; height: 32px; font-size: 16px; }

.callout {
  background: var(--t12-card);
  border: 1px solid var(--t12-line);
  border-left: 3px solid var(--t12-brass-bright);
  border-radius: 4px;
  padding: 24px 32px;
  max-width: var(--t12-max-prose);
  margin: 32px 0;
}
.callout p, .callout li { color: var(--t12-ink); }
.callout ul { padding-left: 24px; }
.callout-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--t12-brass-700);
}

/* ---- estimator ---- */

.estimator-grid { display: grid; grid-template-columns: 1fr; gap: 32px; margin-top: 32px; }

@media (min-width: 900px) { .estimator-grid { grid-template-columns: 1fr 1fr; align-items: start; } }

.estimator-inputs .field { margin-bottom: 24px; }

input[type="range"] { width: 100%; accent-color: var(--t12-ink); }

.est-zero { color: var(--t12-gray-500); font-size: 15px; }

.est-results { margin: 0 0 16px; }
.est-row { padding: 12px 0; border-bottom: 1px solid var(--t12-line); }
.est-row dt { font-size: 14px; font-weight: 600; color: var(--t12-gray-700); }
.est-row dd { margin: 0; }
.est-row .stat {
  font-family: var(--t12-font-serif);
  font-size: 42px;
  line-height: 1.1;
  color: var(--t12-ink);
}
.est-row .formula { font-size: 13px; color: var(--t12-gray-500); }
.est-total { border-bottom: 3px double var(--t12-brass-800); }

.disclaimer {
  border: 1px solid var(--t12-line);
  border-radius: 4px;
  background: var(--t12-paper);
  padding: 16px;
  margin: 16px 0;
}
.disclaimer p { font-size: 13px; color: var(--t12-gray-700); margin: 0; }

.est-cta-line { font-size: 15px; color: var(--t12-gray-700); margin-bottom: 8px; }

/* ---- FAQ ---- */

.faq-item {
  border-bottom: 1px solid var(--t12-line);
  max-width: var(--t12-max-prose);
}
.faq-item summary {
  cursor: pointer;
  font-family: var(--t12-font-serif);
  font-size: 21px;
  font-weight: 700;
  padding: 16px 0;
  list-style-position: outside;
}
.faq-item p { color: var(--t12-gray-700); padding-bottom: 16px; margin: 0; }

/* ---- CTA block ---- */

.section-cta { text-align: center; }
.cta-block h2 { margin-bottom: 8px; }
.cta-block p { color: var(--t12-gray-700); }
.cta-block { padding-top: 32px; border-top: 3px double var(--t12-brass-800); }

/* ---- forms ---- */

.form-shell { max-width: calc(var(--t12-max-form) + 96px); }

form fieldset {
  border: none;
  padding: 0;
  margin: 0 0 32px;
  max-width: var(--t12-max-form);
}

form legend {
  font-family: var(--t12-font-serif);
  font-size: 26px;
  font-weight: 700;
  padding: 0;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--t12-line-strong);
  width: 100%;
  padding-bottom: 8px;
}

.field { margin-bottom: 16px; }

.field label, .field .label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--t12-ink);
  margin-bottom: 8px;
}

/* Radio-group fieldsets reuse .field styling, not the big section legends. */
fieldset.radio-fieldset { border: none; padding: 0; margin: 0 0 16px; }
fieldset.radio-fieldset legend.label {
  font-family: var(--t12-font-sans);
  font-size: 14px;
  font-weight: 600;
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 8px;
  width: auto;
}

.field .req { color: var(--t12-brass-700); font-weight: 400; font-size: 12px; }
.field .opt { color: var(--t12-gray-500); font-weight: 400; font-size: 12px; }

input[type="text"], input[type="email"], input[type="tel"], input[type="number"], textarea {
  width: 100%;
  background: var(--t12-white);
  /* gray-500, not line-strong: field borders must meet 3:1 non-text contrast */
  border: 1px solid var(--t12-gray-500);
  border-radius: 2px;
  padding: 12px 14px;
  font-size: 16px;
  font-family: var(--t12-font-sans);
  color: var(--t12-ink);
}

input:focus, textarea:focus { border-color: var(--t12-ink); }

.help { font-size: 13px; color: var(--t12-gray-500); margin: 6px 0 0; }
.help a { color: var(--t12-brass-700); }

.radio-row { display: flex; gap: 24px; flex-wrap: wrap; }
.radio { display: inline-flex; align-items: center; gap: 8px; font-weight: 400; font-size: 15px; }
.radio input { accent-color: var(--t12-ink); }

.checkbox { display: flex; gap: 12px; align-items: flex-start; font-weight: 400; font-size: 14px; line-height: 1.55; }
.checkbox input { margin-top: 3px; accent-color: var(--t12-ink); flex-shrink: 0; }

.consent-field { margin-top: 16px; }

.notice-at-collection {
  border: 1px solid var(--t12-line);
  border-radius: 4px;
  background: var(--t12-card);
  padding: 16px;
  margin: 16px 0;
}
.notice-at-collection p { font-size: 13px; color: var(--t12-gray-700); margin: 0; }

.redaction-note { color: var(--t12-gray-700); font-weight: 600; }

.form-errors {
  border: 1px solid var(--t12-error);
  border-radius: 4px;
  background: var(--t12-card);
  padding: 16px 24px;
  margin-bottom: 24px;
  max-width: var(--t12-max-form);
}
.form-errors p { font-weight: 600; color: var(--t12-error); margin-bottom: 8px; }
.form-errors ul { margin: 0; padding-left: 20px; }
.form-errors li { color: var(--t12-ink); }

.under-button { font-size: 13px; color: var(--t12-gray-500); margin-top: 12px; max-width: var(--t12-max-form); }

/* Honeypot: moved off-screen; bots that fill it are dropped server-side. */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  height: 1px;
  width: 1px;
  overflow: hidden;
}

/* ---- checklist ---- */

.checklist-section { margin-top: 48px; }
.checklist-section h2 { font-size: 26px; }
.checklist-note { color: var(--t12-gray-700); }
.checklist-items { list-style: none; padding: 0; margin: 16px 0 0; }
.checklist-items li {
  position: relative;
  padding: 8px 0 8px 36px;
  border-bottom: 1px solid var(--t12-line);
  color: var(--t12-ink);
}
.checkbox-mark {
  position: absolute;
  left: 0;
  top: 12px;
  width: 16px;
  height: 16px;
  border: 1px solid var(--t12-line-strong);
  border-radius: 2px;
  background: var(--t12-white);
}

.rule { border: none; border-top: 3px double var(--t12-brass-800); margin: 48px 0 32px; }

/* ---- legal / documents ---- */

.draft-banner {
  border: 1px solid var(--t12-brass-800);
  border-radius: 4px;
  background: var(--t12-card);
  color: var(--t12-brass-800);
  font-size: 14px;
  padding: 12px 16px;
  margin-bottom: 32px;
}

.doc-meta { color: var(--t12-gray-500); font-size: 14px; }

blockquote {
  border-left: 3px solid var(--t12-brass-bright);
  margin: 16px 0;
  padding: 8px 24px;
  background: var(--t12-card);
}

.reference-line {
  border: 1px solid var(--t12-line);
  border-radius: 4px;
  background: var(--t12-card);
  padding: 12px 16px;
  font-size: 15px;
}

/* ---- footer ---- */

.site-footer {
  background: var(--t12-ink-deep);
  color: var(--t12-paper);
  padding: 64px 0 32px;
  margin-top: 96px;
}

.footer-grid { display: grid; grid-template-columns: 1fr; gap: 32px; }

@media (min-width: 720px) { .footer-grid { grid-template-columns: 2fr 1fr; } }

.footer-desc { color: var(--t12-paper-dim); font-size: 14px; max-width: 400px; margin-top: 16px; }

.footer-nav { display: flex; flex-direction: column; gap: 8px; }
.footer-nav a { color: var(--t12-paper-dim); text-decoration: none; font-size: 14px; }
.footer-nav a:hover { color: var(--t12-paper); text-decoration: underline; }

.footer-colophon {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(247, 244, 238, 0.18);
}
.footer-colophon p { color: var(--t12-paper-dim); font-size: 13px; margin: 0 0 6px; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}