:root {
  --paper: #F4F5F7;
  --card: #FFFFFF;
  --ink: #0B0D12;
  --muted: #4B5261;
  --line: #DDE1E8;
  --accent: #2563EB;
  --accent-soft: #EAF0FD;
  --on-accent: #FFFFFF;
  --keep: #047857;
  --fee: #E11D48;
  --radius: 10px;
  --bar-labor: #2563EB;
  --bar-overhead: #93B4F6;
  --bar-vehicle: #C9D3E3;
  --bar-profit: #047857;
  color-scheme: light;
  font-family: system-ui, -apple-system, "Segoe UI", "Helvetica Neue", sans-serif;
  line-height: 1.55;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font-size: 1.0625rem; }
a { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button, [role="switch"] { cursor: pointer; font: inherit; }
.wrap { max-width: 64rem; margin: 0 auto; padding: 1.25rem 1rem 3rem; }
header.site { position: sticky; top: 0; z-index: 2; background: color-mix(in srgb, var(--paper) 92%, transparent); border-bottom: 1px solid var(--line); backdrop-filter: blur(8px); }
header.site .bar { max-width: 64rem; margin: 0 auto; padding: 12px 16px 4px; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.brand { display: flex; gap: 0.5rem; align-items: center; color: inherit; text-decoration: none; font-weight: 650; }
.nav-links { display: flex; gap: 1rem; }
.nav-links a { color: var(--muted); text-decoration: none; display: inline-flex; align-items: center; min-height: 44px; padding: 0 4px; }
.chips { display: flex; gap: 0.5rem; overflow-x: auto; padding: 0.35rem 1rem 0.75rem; max-width: 64rem; margin: 0 auto; }
.chips a { display: inline-flex; align-items: center; min-height: 2.75rem; padding: 0 0.8rem; border-radius: 999px; text-decoration: none; color: var(--ink); background: var(--card); border: 1px solid var(--line); white-space: nowrap; }
.chips a[aria-current="page"] { background: var(--accent); color: var(--on-accent); border-color: transparent; }
.eyebrow { color: var(--accent); font-size: 0.85rem; font-weight: 650; letter-spacing: 0.04em; text-transform: uppercase; }
h1 { font-size: clamp(2rem, 4vw, 2.5rem); line-height: 1.15; margin: 0.35rem 0; letter-spacing: -0.02em; }
.lede { color: var(--muted); font-size: 1.125rem; max-width: 42rem; }
.layout { display: grid; gap: 1.25rem; margin-top: 1.25rem; }
@media (min-width: 960px) {
  .layout { grid-template-columns: minmax(0, 1fr) 22rem; align-items: start; }
  .result { position: sticky; top: 8.5rem; order: 2; }
  form.calc { order: 1; }
}
@media (max-width: 959px) { .result { order: -1; } }
form.calc, .result, .faq, article { }
form.calc, .card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; }
.grid { display: grid; gap: 0.9rem; }
@media (min-width: 700px) { .grid.two { grid-template-columns: 1fr 1fr; } }
label span.name, .switch-label { display: block; font-size: 0.9rem; font-weight: 650; margin-bottom: 0.25rem; }
.control { display: flex; align-items: center; min-height: 2.75rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
.control span { color: var(--muted); padding: 0 0.7rem; font-size: 0.9rem; }
input, select { min-height: 2.75rem; width: 100%; border: 0; background: transparent; color: inherit; padding: 0 0.75rem; font: inherit; }
.hint, .note { color: var(--muted); font-size: 0.78rem; margin: 0.3rem 0 0; }
.fee { font-size: 3rem; font-weight: 680; letter-spacing: -0.03em; color: var(--accent); margin: 0.15rem 0; font-variant-numeric: tabular-nums; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; margin: 0.8rem 0; }
.stats div { background: var(--paper); border-radius: var(--radius); padding: 0.45rem 0.7rem; }
.stats dt { color: var(--muted); font-size: 0.8rem; }
.stats dd { margin: 0; font-weight: 680; font-variant-numeric: tabular-nums; }
.bar { display: flex; height: 0.75rem; border-radius: 999px; overflow: hidden; background: var(--paper); margin-top: 0.8rem; }
.legend { list-style: none; padding: 0; margin: 0.6rem 0 0; font-size: 0.92rem; }
.legend li { display: flex; justify-content: space-between; gap: 0.5rem; }
.swatch { width: 0.65rem; height: 0.65rem; border-radius: 2px; display: inline-block; margin-right: 0.4rem; }
blockquote.say { margin: 0.9rem 0 0; border-left: 4px solid var(--accent); background: var(--accent-soft); padding: 0.7rem 0.8rem; }
.actions { display: flex; gap: 0.5rem; margin-top: 0.9rem; }
.actions button { flex: 1; min-height: 2.75rem; border-radius: var(--radius); border: 1px solid var(--line); background: var(--paper); color: var(--ink); font-weight: 650; }
.actions button.primary { background: var(--accent); color: var(--on-accent); border-color: transparent; }
.switch { width: 100%; min-height: 2.75rem; border-radius: var(--radius); border: 1px solid var(--line); background: var(--paper); color: inherit; display: flex; justify-content: space-between; align-items: center; padding: 0 0.75rem; }
.switch[aria-checked="true"] { background: var(--accent-soft); border-color: var(--accent); }
.ad-slot { height: 120px; margin: 1.25rem 0; border: 1px dashed var(--line); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.75rem; }
.ad-slot[data-slot="article"] { height: 250px; }
article { max-width: 42rem; }
article h2 { margin-top: 2.2rem; font-size: 1.5rem; }
article p { margin: 0.8rem 0; }
details { border-top: 1px solid var(--line); }
details summary { min-height: 2.75rem; display: flex; align-items: center; cursor: pointer; font-weight: 650; }
.faq { margin-top: 2rem; max-width: 42rem; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 0 1rem 0.4rem; }
footer.site { border-top: 1px solid var(--line); margin-top: 3rem; }
footer.site .wrap { display: grid; gap: 1.5rem; }
@media (min-width: 700px) { footer.site .wrap { grid-template-columns: 1fr 1fr; } }
footer a { color: var(--muted); text-decoration: none; }
footer ul { list-style: none; padding: 0; margin: 0; }
footer li a { display: flex; align-items: center; min-height: 44px; }
footer a:hover, .nav-links a:hover { color: var(--accent); }
.row-between { display: flex; justify-content: space-between; gap: 1rem; align-items: center; flex-wrap: wrap; }
.linkish { background: none; border: 0; color: var(--accent); font-weight: 650; min-height: 2.75rem; }
.error { font-weight: 650; color: var(--fee); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.55rem 0.4rem; border-bottom: 1px solid var(--line); vertical-align: top; }
@media print {
  header.site, footer.site, .ad-slot, form.calc, .chips, .actions, article, .faq { display: none !important; }
  body { background: #fff; color: #111; }
  .result { position: static; }
}

/* Reserve space for the JS-rendered result card to avoid layout shift */
.result:empty { min-height: 34rem; }
@media (min-width: 960px) { .result:empty { min-height: 30rem; } }

/* --- Frame recut: brand, hero, glyphs, empty state, motion --- */
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.brand { gap: 10px; min-height: 44px; letter-spacing: -0.01em; }
.brand .mark { flex: none; }
.brand b { font-weight: 650; }
.chips a { gap: 6px; border-radius: var(--radius); }
.chips a .trade { color: var(--accent); }
.chips a[aria-current="page"] .trade { color: #fff; }
.chips a:hover { border-color: var(--accent); }
.eyebrow { display: inline-flex; align-items: center; gap: 6px; margin: 0; }
.hero { display: grid; gap: 1.25rem; align-items: center; }
.hero-copy h1 { max-width: 20ch; }
.hero-art { margin: 0; }
.hero-art svg { display: block; width: 100%; height: auto; }
@media (min-width: 860px) {
  .hero { grid-template-columns: minmax(0, 1fr) minmax(0, 30rem); padding-top: 0.75rem; }
}
@media (max-width: 859px) {
  .wrap { padding-top: 0.75rem; }
  .hero { gap: 0.6rem; }
  .hero-art { order: -1; }
  h1 { font-size: 1.6rem; margin: 0.15rem 0; }
  .lede { font-size: 0.98rem; margin: 0.25rem 0 0; }
  .layout { margin-top: 0.9rem; }
}
label span.name, .switch-label { display: flex; align-items: center; gap: 6px; }
.glyph { color: var(--accent); flex: none; }
.control { background: var(--card); transition: border-color .15s; }
.control:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.fee { color: var(--ink); }
.stats div:last-child dd { color: var(--keep); }
.result .bar span { display: block; transition: width .35s ease; }
blockquote.say { border-radius: 0 var(--radius) var(--radius) 0; }
.empty-art { display: none; grid-column: 1 / -1; align-items: center; gap: 1rem; background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--fee); border-radius: var(--radius); padding: 0.75rem 1rem; }
.empty-art svg { flex: none; width: 140px; height: auto; }
.empty-art p { margin: 0; }
.layout.is-empty .empty-art { display: flex; }
@media (max-width: 959px) { .layout.is-empty .empty-art { order: -2; } }
@media (max-width: 480px) { .empty-art { flex-direction: column; align-items: flex-start; } }
/* motion */
.h-in { animation: rise .5s ease both; animation-delay: var(--d); }
.h-seg { transform-box: fill-box; transform-origin: bottom; animation: grow .55s cubic-bezier(.2,.8,.2,1) both; animation-delay: var(--d); }
.h-fee { animation: rise .5s ease .8s both; }
.h-flow { animation: dash 1.6s linear infinite; }
.fee { animation: pop .35s ease; }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } }
@keyframes grow { from { transform: scaleY(0); } }
@keyframes dash { to { stroke-dashoffset: -16; } }
@keyframes pop { from { opacity: .4; transform: translateY(3px); } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
header.site .bar { height: auto; overflow: visible; background: none; border-radius: 0; margin-top: 0; }

/* --- Contractor tools suite: hub, markup/margin, overhead --- */
.hub { margin-top: 2.5rem; }
.hub h2 { font-size: 1.35rem; }
.hub-list { list-style: none; padding: 0; margin: 0.75rem 0 0; display: grid; gap: 0.75rem; }
@media (min-width: 700px) { .hub-list { grid-template-columns: repeat(3, 1fr); } }
.hub-list a { display: flex; gap: 0.6rem; align-items: flex-start; height: 100%; padding: 0.85rem 1rem; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); color: var(--ink); text-decoration: none; }
.hub-list a:hover { border-color: var(--accent); }
.hub-list .glyph { margin-top: 3px; }
.hub-list strong { display: block; }
.hub-list small { display: block; color: var(--muted); font-size: 0.85rem; line-height: 1.4; margin-top: 0.15rem; }
.form-h { font-size: 1rem; margin: 1.2rem 0 0.6rem; }
form.calc .form-h:first-child { margin-top: 0; }
.lines { display: grid; gap: 0.5rem; }
.line-row { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 0.5rem; }
.line-label { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.line-label:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px var(--accent-soft); }
fieldset.seg { border: 0; margin: 0; padding: 0; min-width: 0; }
fieldset.seg legend { display: flex; align-items: center; gap: 6px; font-size: 0.9rem; font-weight: 650; margin-bottom: 0.25rem; padding: 0; }
fieldset.seg label { display: inline-flex; align-items: center; gap: 0.4rem; min-height: 2.75rem; padding: 0 0.9rem; margin-right: 0.4rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
fieldset.seg label:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
fieldset.seg input { width: auto; min-height: 0; accent-color: var(--accent); }
.check { display: flex; align-items: center; gap: 0.5rem; min-height: 2.75rem; margin-top: 0.6rem; font-size: 0.95rem; }
.check input { width: 1.1rem; min-height: 1.1rem; accent-color: var(--accent); }
.meter { display: flex; height: 0.75rem; border-radius: 999px; overflow: hidden; background: var(--paper); margin-top: 0.8rem; }
.meter span { display: block; transition: width .35s ease; }
.next { margin: 0.9rem 0 0; font-weight: 650; }
.next a { display: inline-flex; align-items: center; min-height: 44px; }
.bid { margin-top: 1.25rem; min-height: 18rem; }
.bid h2 { margin: 0 0 0.6rem; font-size: 1.25rem; }
.bid-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr)); gap: 0.4rem 1rem; margin: 0 0 0.8rem; }
.bid-meta dt { color: var(--muted); font-size: 0.8rem; }
.bid-meta dd { margin: 0; font-weight: 650; }
.bid .num { text-align: right; font-variant-numeric: tabular-nums; }
.bid tfoot th, .bid tfoot td { font-weight: 700; border-bottom: 0; border-top: 2px solid var(--ink); }
@media print {
  .hub, .hero, .tool-markup .result { display: none !important; }
  .tool-markup .bid { border: 0; padding: 0; margin: 0; }
  .tool-markup .bid h2 { font-size: 18pt; }
  .tool-markup .layout { display: block; margin: 0; }
  .tool-markup main > section:not(.bid), .tool-overhead main > section { display: none !important; }
}

/* --- Frame r4: brand never truncates, tool cards --- */
.brand span { white-space: nowrap; }
@media (max-width: 420px) {
  header.site .bar { gap: 0.4rem; padding-left: 12px; padding-right: 12px; }
  .brand { gap: 7px; font-size: 0.95rem; letter-spacing: -0.02em; }
  .brand .mark { width: 24px; height: 24px; }
  .nav-links { gap: 0; }
  .nav-links a { font-size: 0.9rem; padding: 0 5px; }
}
.hub-list a { align-items: center; min-height: 44px; transition: border-color .15s, transform .15s; }
.hub-list a > .glyph { flex: none; width: 36px; height: 36px; padding: 8px; margin: 0; border-radius: 8px; background: var(--accent-soft); color: var(--accent); }
.hub-list a > span { flex: 1; min-width: 0; }
.hub-list a::after { content: ""; flex: none; width: 8px; height: 8px; border-top: 2px solid #9AA3B2; border-right: 2px solid #9AA3B2; transform: rotate(45deg); margin-right: 4px; }
.hub-list a:hover::after, .hub-list a:focus-visible::after { border-color: var(--accent); }
.hub-list a:hover { transform: translateY(-1px); }
.hub-list a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (min-width: 600px) { #tools-h + .hub-list, #all-h + .hub-list { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { #tools-h + .hub-list { grid-template-columns: repeat(4, 1fr); } }
/* home row sits above the calculator: keep it compact on phones */
@media (max-width: 599px) {
  #tools-h { font-size: 1.05rem; }
  .hub:has(#tools-h) { margin-top: 1rem; }
  #tools-h + .hub-list { grid-template-columns: 1fr 1fr; gap: 0.5rem; }
  #tools-h + .hub-list a { padding: 0.6rem; gap: 0.5rem; }
  #tools-h + .hub-list a::after { display: none; }
  #tools-h + .hub-list a > .glyph { width: 30px; height: 30px; padding: 6px; }
  #tools-h + .hub-list strong { font-size: 0.86rem; line-height: 1.25; }
  #tools-h + .hub-list small { display: none; }
}
@media (max-width: 400px) {
  .brand span { white-space: normal; line-height: 1.15; min-width: 0; }
  .brand { min-width: 0; }
  .nav-links { flex: none; }
}