/* Rent vs buy site. Brand tokens per D-53; derived neutrals reused from the PMS palette (apps/pms/public/app.css).
   System font stacks only: no web fonts and no external stylesheet or image references. Every text pairing is AA (contrast table in
   README.md, asserted in test/static-policy.test.js). Stone is decoration only (gridlines). */
:root {
  --mg-parchment: #ede8de;
  --mg-ink: #1c1c1a;
  --mg-moss: #454a42;
  --mg-walnut: #59483d;
  --mg-stone: #a6a198;
  --card: #f6f3ec;
  --soft: #d9d5cb;
  --line: #cdc8bf;
  --muted: #5a5751;
  --control: #8a857c;
  --moss-hover: #393d36;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --radius: 4px;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--mg-parchment);
  color: var(--mg-ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
  overflow-wrap: anywhere;
}
img { max-width: 100%; height: auto; }
a { color: var(--mg-moss); text-underline-offset: 2px; }
a:hover { color: var(--moss-hover); }
:focus-visible { outline: 3px solid var(--mg-moss); outline-offset: 2px; }

.wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 16px; }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--mg-moss); color: var(--mg-parchment); padding: 8px 12px; z-index: 10; }
.skip-link:focus { left: 8px; top: 8px; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.site-header { border-bottom: 1px solid var(--line); padding: 12px 0; }
.logo { display: block; width: 160px; height: auto; margin: 0 auto; } /* centred (SITE-CALC-V2 §2.4) */

.page-title, .section-title, .card-title { font-family: var(--font-serif); font-weight: 600; letter-spacing: -.01em; color: var(--mg-ink); }
.page-title { font-size: 2rem; margin: 24px 0 8px; }
.section-title { font-size: 1.5rem; margin: 24px 0 8px; }
.card-title { font-size: 1.125rem; margin: 0 0 12px; }
.lede { font-size: 1.0625rem; max-width: 60ch; margin: 0 0 8px; }
.privacy-note, .muted { color: var(--muted); }
.privacy-note { max-width: 60ch; margin: 0 0 16px; font-size: .9375rem; }
.small { font-size: .875rem; }
.notice { background: var(--card); border: 1px solid var(--line); padding: 12px; border-radius: var(--radius); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin: 0 0 16px; min-width: 0; }

.btn {
  display: inline-block; font: inherit; font-weight: 600; cursor: pointer;
  background: var(--mg-moss); color: var(--mg-parchment);
  border: 1px solid var(--mg-moss); border-radius: var(--radius); padding: 10px 16px; min-height: 44px;
}
.btn:hover { background: var(--moss-hover); }
.btn:disabled { cursor: not-allowed; background: var(--soft); color: var(--muted); border-color: var(--control); }
.btn-ghost { background: transparent; color: var(--mg-moss); border-color: var(--control); }
.btn-ghost:hover { background: var(--soft); color: var(--mg-ink); }
.btn-link { background: none; border: 0; padding: 4px 0; color: var(--mg-moss); text-decoration: underline; font: inherit; cursor: pointer; min-height: 44px; }

/* Intake */
.intake-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 8px; }
.progress { color: var(--muted); font-size: .875rem; margin: 0; }
.step { margin: 8px 0 16px; }
.step-title { font-family: var(--font-serif); font-size: 1.25rem; margin: 0 0 12px; }
.field { margin: 0 0 16px; }
.field label, .field legend { display: block; font-weight: 600; margin: 0 0 4px; }
.field fieldset { border: 0; padding: 0; margin: 0; }
.field-help { color: var(--muted); font-size: .875rem; margin: 2px 0 6px; }
.choice { display: flex; align-items: center; gap: 8px; min-height: 36px; font-weight: 400; }
.choices { display: flex; flex-wrap: wrap; gap: 4px 16px; }
/* `.field label` (0,1,1) beats `.choice` (0,1,0) and made radio/checkbox labels display:block, so the text sat
   off-centre from its box (FB round 1). This (0,2,0) rule restores the flex row. */
.field .choice { display: flex; align-items: center; gap: 8px; margin: 0; font-weight: 400; }
/* Chip toggles (bedrooms, bathrooms): a checkbox inside a bordered pill; multi-select. */
.chips { gap: 8px; }
.field .chip { border: 1px solid var(--control); border-radius: 999px; padding: 4px 12px; background: #fff; cursor: pointer; }
.field .chip:has(input:checked) { border-color: var(--mg-moss); background: var(--soft); }
.nav-row { display: flex; flex-wrap: wrap; gap: 8px; justify-content: space-between; align-items: center; }

input[type="text"], input[type="email"], select {
  font: inherit; color: var(--mg-ink); background: #fff;
  border: 1px solid var(--control); border-radius: var(--radius);
  padding: 8px 10px; min-height: 44px; width: 100%; max-width: 22rem;
}
input[type="radio"], input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--mg-moss); margin: 0; }
.input-wrap { display: flex; align-items: center; gap: 6px; }
.unit { color: var(--muted); }
.hint { color: var(--mg-walnut); font-size: .875rem; margin: 4px 0 0; }

/* Email step (lead gate) and privacy page. Colours reuse the AA pairings above (walnut hints, muted help, moss links). */
.lead-form { margin: 8px 0 0; }
.consent-label { align-items: flex-start; font-weight: 400; max-width: 60ch; }
.consent-label input[type="checkbox"] { flex: 0 0 auto; margin-top: 2px; }
.turnstile-slot { margin: 0 0 16px; min-height: 0; }
.privacy-page .card p { max-width: 70ch; }

/* Calculator */
.calc-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
@media (min-width: 900px) {
  .calc-grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); align-items: start; }
}
.ctl { margin: 0 0 16px; }
.ctl-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 4px 12px; }
.ctl-label { font-weight: 600; }
.ctl .input-wrap input[type="text"] { width: 9.5rem; text-align: right; }
.ctl-note { color: var(--muted); font-size: .875rem; margin: 4px 0 0; }
input[type="range"] { width: 100%; margin: 8px 0 0; accent-color: var(--mg-moss); min-height: 28px; }
.toggle-group { border: 0; padding: 0; margin: 0 0 16px; }
.toggle-group legend { font-weight: 600; margin: 0 0 4px; padding: 0; }
.advanced summary { cursor: pointer; font-weight: 600; color: var(--mg-moss); min-height: 44px; display: flex; align-items: center; }
.advanced[open] summary { margin-bottom: 12px; }

.results { border-color: var(--control); }
.headline { font-family: var(--font-serif); font-size: 1.375rem; font-weight: 600; margin: 0 0 12px; color: var(--mg-ink); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin: 0; }
.stat { background: var(--mg-parchment); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px; display: flex; flex-direction: column; }
/* Every tile: label (top) -> bold value pinned to the bottom of a fixed-height row -> one note line (§3.3). Grid rows
   stretch, so the tiles are equal height. */
.stat dt { color: var(--muted); font-size: .8125rem; min-height: 2.5em; }
.stat dd { margin: 2px 0 0; font-size: 1.125rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.stat dd.stat-value { min-height: 2.25rem; display: flex; align-items: flex-end; }
.stat dd.stat-note { font-size: .8125rem; font-weight: 400; color: var(--muted); }
.results-note { margin: 12px 0 0; font-size: .875rem; color: var(--muted); }

.chart-card { margin-left: 0; margin-right: 0; }
.chart { display: block; width: 100%; height: auto; overflow: visible; font-family: var(--font-sans); }
.chart .line { fill: none; stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }
.chart .line-buy { stroke: var(--mg-moss); }
.chart .line-rent { stroke: var(--mg-walnut); stroke-dasharray: 7 5; }
.chart .grid-line { stroke: var(--mg-stone); stroke-width: 1; stroke-opacity: .55; }
.chart .zero-line { stroke: var(--control); stroke-width: 1; }
.chart .axis-text { fill: var(--muted); font-size: 12px; }
.chart .label-buy { fill: var(--mg-moss); font-size: 13px; font-weight: 600; }
.chart .label-rent { fill: var(--mg-walnut); font-size: 13px; font-weight: 600; }
.chart .hold-line { stroke: var(--mg-ink); stroke-width: 1; stroke-dasharray: 2 3; }
.chart .mark-text { fill: var(--mg-ink); font-size: 12px; }
.chart .be-dot { fill: var(--mg-parchment); stroke: var(--mg-ink); stroke-width: 2; }
.chart-legend { display: flex; gap: 16px; font-size: .875rem; margin-top: 8px; }
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.swatch { display: inline-block; width: 24px; height: 0; border-top: 3px solid var(--mg-moss); }
.swatch-rent { border-top: 3px dashed var(--mg-walnut); }

.table-scroll { overflow-x: auto; max-width: 100%; }
.data-table { width: 100%; border-collapse: collapse; font-size: .9375rem; font-variant-numeric: tabular-nums; }
.data-table th, .data-table td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.data-table td.num, .data-table th.num { text-align: right; white-space: nowrap; }
.data-table tr.total td, .data-table tr.total th { font-weight: 600; border-top: 2px solid var(--control); }
.data-table thead th { color: var(--muted); font-weight: 600; font-size: .8125rem; }
#pin-btn { margin: 0 0 12px; }
details > summary.card-title { cursor: pointer; margin: 0; }
details[open] > summary.card-title { margin-bottom: 12px; }

.assumptions h4 { font-size: 1rem; margin: 16px 0 6px; }
.assumptions ul { margin: 0 0 8px; padding-left: 1.25rem; }
.assumptions li { margin: 0 0 4px; }
.assumptions .src { color: var(--muted); font-size: .8125rem; }
.assumptions-more { margin-top: 8px; }
.assumptions-more summary { cursor: pointer; font-weight: 600; color: var(--mg-moss); min-height: 44px; display: flex; align-items: center; }

.site-footer { border-top: 1px solid var(--line); margin-top: 24px; padding: 16px 0 32px; color: var(--muted); font-size: .875rem; }
.site-footer p { max-width: 75ch; }
.licence-block { color: var(--mg-ink); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}