/* ---------- Reset ---------- */
  *, *::before, *::after { box-sizing: border-box; }
  html, body, h1, h2, h3, p, ul, ol, li, figure, fieldset { margin: 0; padding: 0; }
  ul { list-style: none; }
  img { max-width: 100%; display: block; }
  button, input, select { font: inherit; color: inherit; }

  /* ---------- Tokens ---------- */
  :root {
    --font-serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, "Times New Roman", serif;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    --bg: #f6f4ee;
    --surface: #ffffff;
    --surface-alt: #efe9da;
    --ink: #22262a;
    --ink-soft: #565c60;
    --border: #d9d2bf;

    --primary: #1D584C;
    --primary-dark: #1b332e;
    --primary-contrast: #ffffff;

    --gold: #D4AF37;

    --up: #8a3a24;
    --up-bg: #f6e6e0;
    --down: #2f5d3a;
    --down-bg: #e6efe3;
    --flat: #52585d;
    --flat-bg: #eceae2;

    --radius: 8px;
    --max-width: 920px;

    /* SF map subsidy tiers -- single source of truth. map.js reads these via
       getComputedStyle at load time instead of hardcoding a parallel color list,
       so the legend swatches below and the canvas rendering can never drift apart. */
    --tier-0: #4a6c8c; /* pays more than market rate */
    --tier-1: #ead9ad; /* $0 - 5k */
    --tier-2: #c9a256; /* $5k - 15k */
    --tier-3: #a15a2e; /* $15k - 30k */
    --tier-4: #8a3a24; /* $30k + */
    --mf-indicator: #5b6169; /* legend-only: "this shape = multi-family", not a data tier */
  }

  html { scroll-behavior: smooth; }

  body {
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font-sans);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
  }

  h1, h2, h3 { font-family: var(--font-serif); font-weight: 600; color: var(--primary-dark); line-height: 1.2; }
  h1 { font-size: clamp(1.9rem, 4vw, 2.9rem); }
  h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 0.9rem; }
  h3 { font-size: 1.15rem; margin-bottom: 0.4rem; }

  a { color: var(--primary); }
  a:hover { color: var(--primary-dark); }

  :focus-visible {
    outline: 3px solid var(--gold);
    outline-offset: 2px;
  }

  .skip-link {
    position: absolute;
    left: -999px;
    top: auto;
    background: var(--primary);
    color: var(--primary-contrast);
    padding: 0.6rem 1rem;
    z-index: 200;
    border-radius: 0 0 var(--radius) 0;
  }
  .skip-link:focus {
    left: 0;
    top: 0;
  }

  .section-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 3.2rem 1.5rem;
  }

  /* ---------- Header / nav ---------- */
  .site-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
  }
  .header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
  }
  .wordmark {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.02em;
    color: var(--primary-dark);
    text-decoration: none;
  }
  .wordmark small {
    display: block;
    font-family: var(--font-sans);
    font-weight: 400;
    font-size: 0.72rem;
    color: var(--ink-soft);
    letter-spacing: 0.03em;
  }
  .site-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 1.1rem;
  }
  .site-nav a {
    text-decoration: none;
    font-size: 0.92rem;
    color: var(--ink-soft);
    border-bottom: 2px solid transparent;
    padding-bottom: 2px;
  }
  .site-nav a:hover { color: var(--primary-dark); border-bottom-color: var(--gold); }

  /* ---------- Hero ---------- */
  .hero {
    background: var(--surface);
  }
  .hero .section-inner { padding-top: 3.6rem; padding-bottom: 3.6rem; }
  .hero p.lede {
    font-size: 1.1rem;
    color: var(--ink-soft);
    max-width: 46rem;
    margin-top: 1rem;
  }
  .hero .cta-row {
    margin-top: 1.8rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
  }
  .btn {
    display: inline-block;
    padding: 0.75rem 1.4rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
  }
  .btn-primary { background: var(--primary); color: var(--primary-contrast); }
  .btn-primary:hover { background: var(--primary-dark); color: var(--primary-contrast); }
  .btn-secondary { background: transparent; color: var(--primary-dark); border-color: var(--border); }
  .btn-secondary:hover { border-color: var(--primary); }
  .hero .stat-line {
    margin-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
  }
  .hero .stat-line div { min-width: 10rem; }
  .hero .stat-num { font-family: var(--font-serif); font-size: 1.6rem; color: var(--primary-dark); font-weight: 700; }
  .hero .stat-label { font-size: 0.82rem; color: var(--ink-soft); }

  /* ---------- Problem section ---------- */
  .problem { background: var(--surface-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
  .homes-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 1.2rem;
    align-items: stretch;
    margin-top: 1.6rem;
  }
  .home-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.4rem;
  }
  .home-card h3 { display: flex; align-items: center; gap: 0.5rem; }
  .home-card .home-icon { width: 22px; height: 22px; color: var(--gold); flex: none; }
  .home-card dl { margin-top: 0.9rem; }
  .home-card dl div { display: flex; justify-content: space-between; gap: 0.5rem; padding: 0.35rem 0; border-bottom: 1px dashed var(--border); font-size: 0.92rem; }
  .home-card dl div:last-child { border-bottom: none; }
  .home-card dt { color: var(--ink-soft); }
  .home-card dd { font-weight: 600; text-align: right; }
  .home-card .bill-highlight dd { font-size: 1.15rem; }
  .vs-divider {
    align-self: center;
    font-family: var(--font-serif);
    color: var(--ink-soft);
    font-size: 0.9rem;
    text-align: center;
  }
  .problem-caption {
    margin-top: 1.3rem;
    font-size: 0.98rem;
    color: var(--ink-soft);
  }
  .problem-note {
    margin-top: 0.4rem;
    font-size: 0.8rem;
    color: var(--ink-soft);
    font-style: italic;
  }
  .reform-callout {
    margin-top: 1.6rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius);
    padding: 1.1rem 1.3rem;
    font-size: 0.95rem;
  }

  

  /* ---------- Map section ---------- */
  .map-section .section-inner { padding-top: 3.2rem; }
  .map-embed-wrap {
    /* Their /map page includes its own header + search bar above the map canvas.
       We don't control that markup (it's a cross-origin iframe), so we crop it by
       oversizing the iframe and hiding the overflow. --map-hide is our best estimate
       of that header's pixel height and may need retuning if their page changes. */
    --map-hide: 190px;
    position: relative;
    margin-top: 1.4rem;
    height: 640px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--surface);
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  }
  .map-embed-wrap iframe {
    /* Force their page to render at a fixed, wide (desktop-breakpoint) width no matter
       how narrow our own container is. At our container's native width their site falls
       into a "tablet" breakpoint that pads the map with side gutters; at >=992px it goes
       full-bleed. We then just window into a horizontally-centered slice of that wide
       render, so we always see their desktop (gutter-free) layout. */
    position: absolute;
    top: calc(-1 * var(--map-hide));
    left: 50%;
    width: 1400px;
    height: calc(100% + var(--map-hide));
    transform: translateX(-50%);
    border: 0;
    display: block;
  }
  .map-caption {
    margin-top: 0.7rem;
    font-size: 0.85rem;
    color: var(--ink-soft);
  }
  .compare-callout {
    margin-top: 1.4rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 4px solid var(--gold);
    border-radius: var(--radius);
    padding: 1.1rem 1.3rem;
    font-size: 0.92rem;
    color: var(--ink-soft);
  }
  .compare-callout strong { color: var(--ink); }

  /* ---------- SF map (ours) ---------- */
  .sfmap-section { background: var(--surface); }
  .sfmap-controls {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    flex-wrap: wrap;
    margin-top: 1.2rem;
  }
  .sfmap-controls select {
    padding: 0.5rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    font-size: 0.9rem;
  }
  .sfmap-count { font-size: 0.85rem; color: var(--ink-soft); }
  .visually-hidden {
    position: absolute;
    width: 1px; height: 1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
  }
  .sfmap-search-wrap { position: relative; }
  .sfmap-search-wrap input[type="search"] {
    padding: 0.5rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    font-size: 0.9rem;
    width: 15rem;
    max-width: 60vw;
  }
  .sfmap-search-results {
    position: absolute;
    z-index: 20;
    top: 100%;
    left: 0;
    margin-top: 0.3rem;
    width: 100%;
    min-width: 16rem;
    max-height: 14rem;
    overflow-y: auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
    list-style: none;
  }
  .sfmap-search-results[hidden] { display: none; }
  .sfmap-search-results li {
    padding: 0.5rem 0.7rem;
    font-size: 0.85rem;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
  }
  .sfmap-search-results li:last-child { border-bottom: none; }
  .sfmap-search-results li:hover,
  .sfmap-search-results li.active { background: var(--surface-alt); }
  .sfmap-search-results li.search-empty { cursor: default; color: var(--ink-soft); }
  .sfmap-search-results li.search-empty:hover { background: none; }
  .sfmap-nbinfo {
    position: absolute;
    left: 50%;
    bottom: 0.8rem;
    z-index: 1000;
    transform: translateX(-50%);
    background: rgba(255,255,255,0.94);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.45rem 0.9rem;
    font-size: 0.85rem;
    color: var(--ink);
    text-align: center;
    white-space: nowrap;
  }
  .sfmap-nbinfo[hidden] { display: none; }
  .sfmap-nbinfo strong { font-family: var(--font-serif); color: var(--primary-dark); }
  .sfmap-wrap {
    position: relative;
    margin-top: 0.9rem;
    height: 560px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--surface-alt);
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  }
  #sfmap-leaflet {
    width: 100%;
    height: 100%;
  }
  .sfmap-loading {
    position: absolute;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: var(--ink-soft);
    background: var(--surface-alt);
  }
  /* z-index: 1000+ on our custom overlays -- Leaflet's own panes/controls use z-index
     up to ~650 internally, so anything above that stays reliably on top of the map. */
  .sfmap-legend {
    position: absolute;
    left: 0.8rem;
    top: 0.8rem;
    z-index: 1000;
    background: rgba(255,255,255,0.92);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.6rem 0.8rem;
    font-size: 0.78rem;
    color: var(--ink-soft);
    line-height: 1.5;
  }
  .sfmap-legend .legend-title { font-weight: 700; color: var(--ink); display: block; margin-bottom: 0.2rem; }
  .sfmap-legend .swatch {
    display: inline-block;
    width: 0.7rem; height: 0.7rem;
    border-radius: 2px;
    margin-right: 0.4rem;
    vertical-align: middle;
  }
  .sfmap-legend .legend-sep { margin-top: 0.35rem; padding-top: 0.35rem; border-top: 1px dashed var(--border); }
  .swatch-tier-0 { background: var(--tier-0); border-radius: 50%; }
  .swatch-tier-1 { background: var(--tier-1); border-radius: 50%; }
  .swatch-tier-2 { background: var(--tier-2); border-radius: 50%; }
  .swatch-tier-3 { background: var(--tier-3); border-radius: 50%; }
  .swatch-tier-4 { background: var(--tier-4); border-radius: 50%; }
  .swatch-mf-indicator {
    background: var(--mf-indicator);
    border: 2px solid #fff;
    box-shadow: 0 0 0 1px var(--border);
    border-radius: 50%;
  }
  .sfmap-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--ink-soft);
    cursor: pointer;
  }
  .sfmap-toggle input { margin: 0; }

  /* Leaflet supplies its own popup chrome (box, close button, positioning) -- we only
     style the content we feed into bindPopup(), via .leaflet-popup-content's children. */
  .leaflet-popup-content { font-family: var(--font-sans); }
  .sfmap-popup-title { font-family: var(--font-serif); font-size: 1rem; color: var(--primary-dark); margin: 0 0 0.4rem; }
  .sfmap-popup-dl { display: grid; grid-template-columns: auto auto; gap: 0.15rem 0.8rem; font-size: 0.85rem; margin: 0; }
  .sfmap-popup-dl dt { color: var(--ink-soft); }
  .sfmap-popup-dl dd { font-weight: 600; text-align: right; margin: 0; }
  .sfmap-popup-footnote {
    grid-column: 1 / -1;
    font-style: italic;
    font-weight: 400;
    margin-top: 0.3rem;
    text-align: left;
  }
  .sfmap-hint { margin-top: 0.6rem; font-size: 0.78rem; color: var(--ink-soft); }
  .small-note { margin-top: 0.9rem; font-size: 0.78rem; color: var(--ink-soft); }
  .sfmap-methodology { margin-top: 1.2rem; }

  

  /* On desktop, break the map out of the site's centered text column so it can run
     nearly full-width, and let its height grow with the viewport (never below the
     default 560px) instead of staying a fixed size regardless of screen size. */
  

  

  /* ---------- Proposal ---------- */
  .proposal-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
    margin-top: 1.6rem;
  }
  .proposal-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.4rem;
  }
  .proposal-card .num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: var(--primary);
    color: var(--primary-contrast);
    font-family: var(--font-serif);
    font-weight: 700;
    margin-bottom: 0.7rem;
  }
  .proposal-card p { font-size: 0.93rem; color: var(--ink-soft); }
  

  /* ---------- Calculator ---------- */
  .calculator { background: var(--surface-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
  .section-lead { color: var(--ink-soft); max-width: 42rem; margin-bottom: 1.6rem; }
  .calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.6rem;
    align-items: start;
  }
  fieldset {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    padding: 1.1rem 1.2rem 1.3rem;
    margin-bottom: 1.2rem;
  }
  legend {
    font-family: var(--font-serif);
    font-weight: 700;
    color: var(--primary-dark);
    padding: 0 0.4rem;
  }
  .calc-inputs label {
    display: block;
    font-size: 0.85rem;
    color: var(--ink-soft);
    margin-top: 0.9rem;
    margin-bottom: 0.3rem;
  }
  .calc-inputs label:first-of-type { margin-top: 0; }
  .calc-inputs input[type="number"],
  .calc-inputs input[type="text"],
  .calc-inputs select {
    width: 100%;
    padding: 0.55rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    font-size: 0.95rem;
  }
  .calc-inputs input[disabled] { background: var(--flat-bg); color: var(--ink-soft); }
  .calc-inputs input[type="range"] { width: 100%; accent-color: var(--primary); }
  .hint { font-weight: 400; font-style: italic; color: var(--ink-soft); }
  .rate-range-note { font-size: 0.8rem; color: var(--ink-soft); margin-top: 0.6rem; }
  .bond-note { font-size: 0.78rem; color: var(--ink-soft); margin-top: 0.5rem; }

  .calc-output {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: sticky;
    top: 1.6rem;
    align-self: start;
  }
  .bill-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.3rem 1.4rem;
  }
  .bill-card h3 { margin-bottom: 0.3rem; font-size: 1rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-soft); font-family: var(--font-sans); font-weight: 700; }
  .bill-amount { font-family: var(--font-serif); font-size: 2rem; font-weight: 700; color: var(--primary-dark); }
  .bill-detail { font-size: 0.82rem; color: var(--ink-soft); margin-top: 0.2rem; }

  .bill-diff {
    border-radius: var(--radius);
    padding: 1rem 1.2rem;
    font-weight: 700;
    text-align: center;
    font-size: 1.05rem;
    border: 1px solid var(--border);
  }
  .bill-diff.up { background: var(--up-bg); color: var(--up); }
  .bill-diff.down { background: var(--down-bg); color: var(--down); }
  .bill-diff.flat { background: var(--flat-bg); color: var(--flat); }

  .calc-disclaimer {
    margin-top: 1.6rem;
    font-size: 0.82rem;
    color: var(--ink-soft);
    border-top: 1px solid var(--border);
    padding-top: 1rem;
  }
  .calc-disclaimer + .calc-disclaimer { margin-top: 0.5rem; padding-top: 0; border-top: none; }

  

  /* ---------- FAQ ---------- */
  details {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    padding: 0.9rem 1.2rem;
    margin-top: 0.8rem;
  }
  details[open] { border-color: var(--primary); }
  summary {
    cursor: pointer;
    list-style: none;
  }
  summary::-webkit-details-marker { display: none; }
  summary h3 {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.05rem;
    margin-bottom: 0;
  }
  summary h3::before {
    content: "+";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.4rem;
    height: 1.4rem;
    border: 1px solid var(--border);
    border-radius: 50%;
    font-size: 1rem;
    color: var(--primary);
    flex: none;
  }
  details[open] summary h3::before { content: "–"; }
  .faq-answer { margin-top: 0.7rem; color: var(--ink-soft); font-size: 0.95rem; }

  /* ---------- Get involved ---------- */
  .involved { background: var(--surface-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
  .signup-form {
    margin-top: 1.4rem;
    display: flex;
    gap: 0.7rem;
    flex-wrap: wrap;
    max-width: 32rem;
  }
  .signup-form label { font-size: 0.85rem; color: var(--ink-soft); width: 100%; }
  .signup-form input[type="email"] {
    flex: 1 1 16rem;
    padding: 0.65rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.95rem;
  }
  .form-note { margin-top: 0.8rem; font-size: 0.82rem; color: var(--ink-soft); }
  .form-status { margin-top: 0.8rem; font-size: 0.88rem; color: var(--primary-dark); font-weight: 600; }

  /* ---------- Footer ---------- */
  footer.site-footer {
    background: var(--primary-dark);
    color: #dfe6e2;
  }
  footer.site-footer .section-inner { padding-top: 2.4rem; padding-bottom: 2.4rem; }
  footer.site-footer a { color: #fff; }
  footer.site-footer p { font-size: 0.82rem; margin-top: 0.7rem; color: #c3cdc8; }
  footer.site-footer p:first-child { margin-top: 0; }
  footer.site-footer .footer-back { font-size: 0.85rem; display: inline-block; }

  /* ---------- Responsive breakpoints ---------- */
  /* Desktop: let the SF map break out of the centered text column and run
     nearly full-width, with height tied to viewport height (min 560px). */
  @media (min-width: 901px) {
    .sfmap-wrap {
      width: calc(100vw - 3rem);
      margin-left: calc(50% - 50vw + 1.5rem);
      margin-right: calc(50% - 50vw + 1.5rem);
      height: max(560px, 80vh);
    }
  }

  @media (max-width: 800px) {
    .proposal-grid { grid-template-columns: 1fr; }
  
    .calc-grid { grid-template-columns: 1fr; }
    .calc-output { position: static; }
  }

  @media (max-width: 700px) {
    .homes-grid { grid-template-columns: 1fr; }
    .vs-divider { padding: 0.2rem 0; }
  
    .sfmap-wrap { height: 440px; }
    .sfmap-legend { font-size: 0.68rem; padding: 0.4rem 0.55rem; line-height: 1.35; max-width: 45vw; }
    .sfmap-legend .swatch { width: 0.6rem; height: 0.6rem; margin-right: 0.3rem; }
    .sfmap-legend .legend-sep { margin-top: 0.25rem; padding-top: 0.25rem; }
    .sfmap-nbinfo { white-space: normal; max-width: 80%; font-size: 0.78rem; }
    .sfmap-search-wrap input[type="search"] { width: 100%; }
    .leaflet-control-zoom { transform: scale(0.9); transform-origin: top right; }
  
    .map-embed-wrap { height: 480px; }
  }