/* BuildByCalc — one stylesheet for the whole front end. Tokens: DESIGN.md. Mobile first. */

:root {
	--ink: #1B1F23;
	--ink-2: #4A5258;
	--canvas: #F5F4F0;
	--surface: #FFFFFF;
	--accent: #E0661A;
	--accent-ink: #A84A0F;
	--accent-soft: #FCEEE4;
	--slate: #3A4A57;
	--line: #DCD9D2;
	--ok: #2F7D4F;
	--radius: 16px;
	--wrap: 1120px;
	--font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-padding-top: 72px; }

body.bbc {
	margin: 0;
	background: var(--canvas);
	color: var(--ink);
	font: 16px/1.6 var(--font);
	-webkit-font-smoothing: antialiased;
}

body.bbc img, body.bbc svg { max-width: 100%; height: auto; }

.bbc a { color: var(--accent-ink); text-underline-offset: 2px; }
.bbc a:hover { color: var(--ink); }

.bbc h1, .bbc h2, .bbc h3 { line-height: 1.2; letter-spacing: -0.015em; margin: 0 0 .5em; }
.bbc h1 { font-size: clamp(1.75rem, 5vw, 2.5rem); font-weight: 750; }
.bbc h2 { font-size: clamp(1.3rem, 3.4vw, 1.6rem); font-weight: 700; margin-top: 1.6em; }
.bbc h3 { font-size: 1.05rem; font-weight: 700; }

.bbc-wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }

.bbc-skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 12px; border-radius: 8px; z-index: 100; }
.bbc-skip:focus { left: 8px; color: #fff; }

.bbc-draftbar { background: #7A1F1F; color: #fff; text-align: center; font-size: 14px; font-weight: 600; padding: 6px 16px; }

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

.bbc-header { background: var(--ink); color: #fff; position: sticky; top: 0; z-index: 50; }
.admin-bar .bbc-header { top: 46px; }
@media (min-width: 783px) { .admin-bar .bbc-header { top: 32px; } }

.bbc-header__in { display: flex; align-items: center; justify-content: space-between; min-height: 60px; gap: 16px; flex-wrap: wrap; }

.bbc-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff !important; text-decoration: none; font-weight: 700; font-size: 1.15rem; letter-spacing: -0.01em; }
.bbc-logo b { color: var(--accent); font-weight: 700; }

.bbc-menubtn {
	display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 14px;
	background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.3); border-radius: 999px;
	font: 600 15px var(--font); cursor: pointer;
}
.bbc-menubtn__bars, .bbc-menubtn__bars::before, .bbc-menubtn__bars::after { display: block; width: 16px; height: 2px; background: #fff; border-radius: 2px; position: relative; }
.bbc-menubtn__bars::before, .bbc-menubtn__bars::after { content: ""; position: absolute; left: 0; }
.bbc-menubtn__bars::before { top: -5px; }
.bbc-menubtn__bars::after { top: 5px; }

.bbc-nav { display: none; width: 100%; padding: 4px 0 16px; }
.bbc-nav.is-open { display: block; }
.bbc-nav ul { list-style: none; margin: 0; padding: 0; }
.bbc-nav a { display: block; color: #fff; text-decoration: none; padding: 12px 4px; border-bottom: 1px solid rgba(255,255,255,.12); font-weight: 600; }
.bbc-nav a:hover { color: var(--accent); }

@media (min-width: 1100px) {
	.bbc-menubtn { display: none; }
	.bbc-nav { display: block; width: auto; padding: 0; }
	.bbc-nav ul { display: flex; gap: 4px; }
	.bbc-nav a { border: 0; padding: 8px 12px; border-radius: 999px; font-size: 15px; }
	.bbc-nav a:hover { background: rgba(255,255,255,.08); color: #fff; }
}

/* ---------- Common ---------- */

.bbc-main { min-height: 60vh; padding-bottom: 48px; }

.bbc-crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 4px; margin: 0; padding: 16px 0 4px; font-size: 14px; color: var(--ink-2); }
.bbc-crumbs li + li::before { content: "›"; margin-right: 4px; color: #9A958A; }
.bbc-crumbs a { color: var(--ink-2); }

.bbc-lede { font-size: 1.08rem; color: var(--ink-2); max-width: 46em; margin: 0 0 1em; }
.bbc-pagehead, .bbc-tool__head { padding: 8px 0 8px; }
.bbc-small, .bbc-meta { font-size: 14px; color: var(--ink-2); }

.bbc-btn {
	display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px;
	background: var(--accent); color: #fff !important; border: 0; border-radius: 999px;
	font: 700 16px var(--font); text-decoration: none; cursor: pointer;
}
.bbc-btn:hover { background: var(--accent-ink); }
.bbc-btn--ghost { background: transparent; color: var(--ink) !important; border: 1.5px solid var(--line); min-height: 44px; font-size: 15px; padding: 0 16px; }
.bbc-btn--ghost:hover { background: var(--canvas); border-color: var(--ink-2); }

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

/* ---------- Calculator ---------- */

.bbc-calc {
	display: grid; gap: 0; grid-template-columns: minmax(0, 1fr);
	background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
	box-shadow: 0 1px 2px rgba(27,31,35,.04), 0 8px 24px rgba(27,31,35,.06);
	overflow: hidden; margin: 8px 0 24px;
}
@media (min-width: 900px) {
	.bbc-calc { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); align-items: start; }
}

.bbc-calc__inputs { padding: 16px; }
@media (min-width: 600px) { .bbc-calc__inputs { padding: 24px; } }

.bbc-group { border: 0; margin: 0; padding: 0; min-width: 0; }
.bbc-group__body { border: 0; margin: 0; padding: 0; min-width: 0; }
.bbc-group--main legend { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--slate); padding: 0; margin-bottom: 8px; }
.bbc-sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Folded option groups: a tappable row with the current choices. */
.bbc-group--more { border: 1.5px solid var(--line); border-radius: 12px; margin-top: 10px; background: #fff; }
.bbc-group--more > summary {
	list-style: none; cursor: pointer; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2px 12px;
	padding: 12px 14px; min-height: 56px;
}
.bbc-group--more > summary::-webkit-details-marker { display: none; }
.bbc-group--more > summary::after { content: "Change"; grid-row: 1 / span 2; grid-column: 2; font-size: 14px; font-weight: 700; color: var(--accent-ink); }
.bbc-group--more[open] > summary::after { content: "Done"; }
.bbc-group__title { font-weight: 700; font-size: 15px; }
.bbc-group__sum { font-size: 14px; color: var(--ink-2); line-height: 1.35; }
.bbc-group--more[open] .bbc-group__sum { display: none; }
.bbc-group--more > .bbc-group__body { padding: 4px 14px 2px; border-top: 1px solid var(--line); padding-top: 14px; }

.bbc-reset { margin-top: 12px; background: none; border: 0; padding: 8px 0; min-height: 44px; font: 600 14px var(--font); color: var(--ink-2); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.bbc-reset:hover { color: var(--ink); }

.bbc-hero__sum { width: 100%; font-size: 14px; color: #C9D2D9; margin-top: 4px; }

.bbc-field { margin-bottom: 14px; }
.bbc-field[hidden] { display: none; }
.bbc-label { display: block; font-weight: 600; font-size: 15px; margin-bottom: 6px; }
.bbc-help { display: block; font-size: 13px; color: var(--ink-2); margin-top: 6px; line-height: 1.45; }

.bbc-input { display: flex; align-items: stretch; border: 1.5px solid var(--line); border-radius: 12px; background: #fff; overflow: hidden; transition: border-color .15s; }
.bbc-input:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.bbc-input input {
	flex: 1; min-width: 0; height: 48px; border: 0; padding: 0 12px; background: transparent;
	font: 600 17px var(--font); color: var(--ink); font-variant-numeric: tabular-nums;
}
.bbc-input input:focus { outline: none; }
.bbc-input select { border: 0; border-left: 1.5px solid var(--line); background: var(--canvas); padding: 0 30px 0 12px; font: 600 15px var(--font); color: var(--ink); min-width: 70px; }
.bbc-affix { display: flex; align-items: center; padding: 0 0 0 12px; color: var(--ink-2); font-weight: 600; }
.bbc-affix--end { padding: 0 12px; background: var(--canvas); border-left: 1.5px solid var(--line); font-size: 14px; white-space: nowrap; }

.bbc-field--select > select {
	width: 100%; height: 48px; border: 1.5px solid var(--line); border-radius: 12px; padding: 0 12px;
	background: #fff; font: 600 16px var(--font); color: var(--ink);
}
.bbc-field--select > select:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px var(--accent-soft); }

.bbc-seg { display: flex; flex-wrap: wrap; gap: 6px; }
.bbc-seg label { position: relative; }
.bbc-seg input { position: absolute; opacity: 0; }
.bbc-seg span { display: inline-flex; align-items: center; min-height: 44px; padding: 0 14px; border: 1.5px solid var(--line); border-radius: 999px; font-weight: 600; cursor: pointer; }
.bbc-seg input:checked + span { background: var(--ink); border-color: var(--ink); color: #fff; }
.bbc-seg input:focus-visible + span { outline: 3px solid var(--accent); outline-offset: 2px; }

@media (min-width: 600px) {
	.bbc-group__body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); column-gap: 16px; }
	.bbc-group__body > legend { grid-column: 1 / -1; }
	.bbc-field--select, .bbc-field--segmented, .bbc-field--number:has(.bbc-help) { grid-column: 1 / -1; }
}
@media (min-width: 900px) {
	/* Desktop: groups open, shown as plain sections. */
	.bbc-group--more { border: 0; border-top: 1px solid var(--line); border-radius: 0; margin-top: 6px; }
	.bbc-group--more > summary { padding: 14px 0 6px; min-height: 0; cursor: default; pointer-events: none; }
	.bbc-group--more > summary::after { display: none; }
	.bbc-group__title { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--slate); }
	.bbc-group--more > .bbc-group__body { padding: 8px 0 0; border-top: 0; }
}

/* Results */

.bbc-calc__results { background: var(--slate); color: #fff; padding: 20px 16px; }
@media (min-width: 600px) { .bbc-calc__results { padding: 24px; } }
@media (min-width: 900px) { .bbc-calc__results { position: sticky; top: 76px; min-height: 100%; } }

.bbc-hero { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; padding-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,.18); }
.bbc-hero__label { width: 100%; font-size: 14px; font-weight: 600; color: #C9D2D9; text-transform: uppercase; letter-spacing: .06em; }
.bbc-hero__value { font-size: clamp(2.6rem, 9vw, 3.4rem); line-height: 1; font-weight: 800; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.bbc-hero__unit { font-size: 1.1rem; font-weight: 600; color: #E6EBEF; }

.bbc-rgroup { font-size: 13px !important; text-transform: uppercase; letter-spacing: .06em; color: #C9D2D9; margin: 16px 0 4px !important; }
.bbc-rgroup[hidden], .bbc-rows[hidden], .bbc-row[hidden] { display: none; }
.bbc-rows { margin: 0; }
.bbc-row { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-bottom: 1px dashed rgba(255,255,255,.14); }
.bbc-row dt { color: #E6EBEF; }
.bbc-row dd { margin: 0; font-weight: 700; font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.bbc-row dd small { font-weight: 500; color: #C9D2D9; }
.bbc-row--total { border-bottom: 0; border-top: 1.5px solid rgba(255,255,255,.4); margin-top: 4px; padding-top: 10px; font-size: 1.1rem; }

.bbc-notes { list-style: none; margin: 14px 0 0; padding: 0; }
.bbc-notes:empty { display: none; }
.bbc-notes li { background: rgba(224,102,26,.16); border-left: 3px solid var(--accent); border-radius: 8px; padding: 10px 12px; font-size: 14px; line-height: 1.45; margin-bottom: 8px; }

.bbc-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.bbc-calc__results .bbc-btn--ghost { color: #fff !important; border-color: rgba(255,255,255,.35); }
.bbc-calc__results .bbc-btn--ghost:hover { background: rgba(255,255,255,.1); border-color: #fff; }

/* Phone results bar */
.bbc-bar {
	position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 60;
	display: flex; align-items: center; gap: 10px; padding: 12px 16px;
	background: var(--ink); color: #fff; border: 0; border-radius: 14px; box-shadow: 0 8px 28px rgba(0,0,0,.28);
	font: 15px var(--font); text-align: left; cursor: pointer;
	transform: translateY(140%); transition: transform .2s ease;
}
.bbc-bar.is-on { transform: none; }
.bbc-bar__label { color: #C9D2D9; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bbc-bar__value { font-size: 1.15rem; font-variant-numeric: tabular-nums; }
.bbc-bar__go { color: var(--accent); font-weight: 700; font-size: 14px; }
@media (min-width: 900px) { .bbc-bar { display: none; } }

/* ---------- Content ---------- */

.bbc-prose { max-width: 760px; }
.bbc-prose p, .bbc-prose li { font-size: 1.02rem; }
.bbc-prose ul, .bbc-prose ol { padding-left: 1.3em; }
.bbc-prose li { margin-bottom: .45em; }

.bbc-answer {
	background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--accent);
	border-radius: 12px; padding: 16px 18px; margin: 8px 0 8px;
}
.bbc-answer h2 { margin-top: 0; font-size: 1.25rem; }
.bbc-answer p:last-child { margin-bottom: 0; }

.bbc-diagram { margin: 8px 0 16px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.bbc-diagram svg { display: block; width: 100%; }

.bbc-steps li::marker { font-weight: 700; color: var(--accent-ink); }

.bbc-tablewrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.bbc-table { width: 100%; border-collapse: collapse; font-size: 15px; font-variant-numeric: tabular-nums; }
.bbc-table th, .bbc-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
.bbc-table thead th { background: var(--canvas); font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--slate); }
.bbc-table tbody tr:last-child > * { border-bottom: 0; }
.bbc-table tbody th { font-weight: 600; }

.bbc-ticks { list-style: none; padding-left: 0 !important; }
.bbc-ticks li { position: relative; padding-left: 28px; }
.bbc-ticks li::before { content: ""; position: absolute; left: 2px; top: .45em; width: 14px; height: 8px; border-left: 2.5px solid var(--ok); border-bottom: 2.5px solid var(--ok); transform: rotate(-45deg); }

.bbc-faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; margin-bottom: 8px; }
.bbc-faq summary { cursor: pointer; list-style: none; padding: 14px 44px 14px 16px; font-weight: 650; position: relative; min-height: 44px; }
.bbc-faq summary::-webkit-details-marker { display: none; }
.bbc-faq summary::after { content: "+"; position: absolute; right: 16px; top: 50%; transform: translateY(-50%); font-size: 22px; color: var(--accent-ink); font-weight: 500; }
.bbc-faq details[open] summary::after { content: "–"; }
.bbc-faq details > div { padding: 0 16px 14px; }

.bbc-sources ul { padding-left: 1.2em; }

/* Cards */
.bbc-cards { display: grid; gap: 12px; grid-template-columns: 1fr; margin: 8px 0 16px; }
@media (min-width: 600px) { .bbc-cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .bbc-cards { grid-template-columns: repeat(3, 1fr); } }
.bbc-card {
	position: relative; display: flex; flex-direction: column; gap: 4px; padding: 16px 18px;
	background: var(--surface); border: 1px solid var(--line); border-radius: 14px;
	text-decoration: none; color: var(--ink) !important; transition: border-color .15s, transform .15s;
}
.bbc-card:hover { border-color: var(--accent); transform: translateY(-1px); }
.bbc-card__title { font-weight: 700; font-size: 1.05rem; }
.bbc-card__title::after { content: " →"; color: var(--accent); }
.bbc-card__text { color: var(--ink-2); font-size: 15px; line-height: 1.45; }
.bbc-card__draft { position: absolute; top: 10px; right: 10px; font-size: 11px; font-weight: 700; text-transform: uppercase; background: #7A1F1F; color: #fff; border-radius: 6px; padding: 2px 6px; }

/* Home */
.bbc-homehero { background: var(--ink); color: #fff; padding: 40px 0 44px; margin-bottom: 8px; }
.bbc-homehero h1 { color: #fff; max-width: 16em; }
.bbc-homehero .bbc-lede { color: #C9D2D9; }
.bbc-why { max-width: 760px; }

/* Articles (trust pages, guides) */
.bbc-article .bbc-prose { margin-bottom: 32px; }
.bbc-article .bbc-prose h2 { margin-top: 1.4em; }

/* ---------- Footer ---------- */
.bbc-footer { background: var(--ink); color: #C9D2D9; padding: 36px 0 24px; font-size: 15px; }
.bbc-footer__grid { display: grid; gap: 24px; }
@media (min-width: 768px) { .bbc-footer__grid { grid-template-columns: 2fr 1fr 1fr; } }
.bbc-footer h2 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: .06em; margin: 0 0 10px; }
.bbc-footer ul { list-style: none; margin: 0; padding: 0; }
.bbc-footer li { margin-bottom: 6px; }
.bbc-footer a { color: #E6EBEF; text-decoration: none; }
.bbc-footer a:hover { color: var(--accent); }
.bbc-footer__note { border-top: 1px solid rgba(255,255,255,.12); margin-top: 24px; padding-top: 16px; font-size: 13px; }

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

/* Contact form */
.bbc-contact { max-width: 560px; }
.bbc-text { width: 100%; min-height: 48px; border: 1.5px solid var(--line); border-radius: 12px; padding: 10px 12px; font: 16px var(--font); color: var(--ink); background: #fff; }
.bbc-text:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px var(--accent-soft); }
textarea.bbc-text { min-height: 140px; resize: vertical; }
.bbc-hp { position: absolute; left: -9999px; }
.bbc-alert { background: #FBEAEA; border-left: 4px solid #B42318; border-radius: 8px; padding: 12px 14px; }
.bbc-alert--ok { background: #E7F4EC; border-left-color: var(--ok); }

/* Page content tables and notes */
.bbc-article .bbc-prose table { width: 100%; border-collapse: collapse; margin: 1em 0; font-size: 15px; }
.bbc-article .bbc-prose th, .bbc-article .bbc-prose td { border-bottom: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
.bbc-article .bbc-prose code { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; font-size: .92em; }

/* Home: grouped calculators + filter */
.bbc-homehead { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-top: 1.6em; }
.bbc-homehead h2 { margin: 0; }
.bbc-filter { flex: 1 1 260px; max-width: 420px; }
.bbc-filter input { width: 100%; min-height: 48px; border: 1.5px solid var(--line); border-radius: 999px; padding: 0 18px; font: 16px var(--font); background: #fff; }
.bbc-filter input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.bbc-homegroup { margin-top: 20px; }
.bbc-homegroup[hidden], .bbc-card[hidden] { display: none; }
.bbc-homegroup h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--slate); margin: 0 0 8px; }
.bbc-homegroup h3 a { color: var(--slate); text-decoration: none; }
.bbc-homegroup h3 a::after { content: " →"; color: var(--accent); }
.bbc-nomatch { margin-top: 16px; }

/* Guide links on calculator pages */
.bbc-guidelist { list-style: none; padding-left: 0 !important; }
.bbc-guidelist li { margin-bottom: 8px; }
.bbc-guidelist a { display: block; padding: 12px 16px; background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 10px; font-weight: 650; text-decoration: none; color: var(--ink); }
.bbc-guidelist a:hover { border-color: var(--accent); }