/* ============================================================================
   yootils.com — shared design system
   Built from documents/component-patterns.md (the spec). Canonical class names,
   mobile-first (base = phone, min-width enhancements).

   Usage: link once in <head>, after site-header.js:
       <link rel="stylesheet" href="styles.css">

   Pages keep ONLY their genuinely page-specific calculator visuals inline
   (charts, data tables, sliders, custom result widgets). Everything below is
   shared — do not re-declare it per page.
   ============================================================================ */

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── §2 Design tokens ── */
:root {
  --color-slate: #1a2332;
  --color-purple: #5536FD;
  --color-bg-light: #f8f9fa;   /* hero bg, info card bg, grey input panel */
  --color-border: #e5e7eb;
  --color-text-secondary: #6b7280;
  --color-white: #ffffff;
  --color-shadow: rgba(0,0,0,0.07);
  --radius: 8px;
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", sans-serif;
  --font-mono: "Courier Prime", "Monaco", "Courier New", monospace;
  --header-height: 72px;
  --max-width: 1200px;
  /* amortisation / chart pages */
  --color-interest: #f59e0b;
  --color-equity: #10b981;
  /* mobile-first breakpoints (reference only; CSS can't use var() in @media) */
  --bp-sm: 480px; --bp-md: 768px; --bp-lg: 1024px;
}

/* ── §3 Base typography ── */
body { font-family: var(--font-base); background: #fff; color: var(--color-slate); line-height: 1.6; font-size: 16px; -webkit-text-size-adjust: 100%; }
h1, .page-title { font-size: clamp(24px, 5vw, 32px); font-weight: 700; color: var(--color-slate); margin-bottom: 8px; line-height: 1.2; }
h2 { font-size: 22px; font-weight: 700; color: var(--color-slate); margin-bottom: 12px; }
h3 { font-size: 15px; font-weight: 700; color: var(--color-slate); margin-bottom: 8px; }
a { color: var(--color-purple); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--color-purple); outline-offset: 2px; }

/* ── §5 Skip link ── */
.skip-link { position: absolute; top: -100%; left: 0; z-index: 10000; padding: 12px 20px; background: var(--color-purple); color: #fff; font-weight: 700; font-size: 14px; text-decoration: none; border-radius: 0 0 var(--radius) 0; transition: top .15s; }
.skip-link:focus { top: 0; }

/* ── §6 Back button ── */
.back-btn { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; color: var(--color-slate); text-decoration: none; font-size: 14px; font-weight: 600; margin-bottom: 24px; background: #fff; border: 1.5px solid var(--color-border); border-radius: var(--radius); font-family: inherit; cursor: pointer; padding: 8px 16px; transition: color .15s, border-color .15s, box-shadow .15s; }
.back-btn:hover { color: var(--color-purple); border-color: var(--color-purple); box-shadow: 0 2px 8px rgba(85,54,253,.12); }

/* ── §1/§3 Hero (grey) + white tool container ── */
.hero { background: var(--color-bg-light); padding: 32px 16px; }
.hero-container { max-width: var(--max-width); margin: 0 auto; }
.hero-subtitle { font-size: 16px; color: var(--color-text-secondary); margin-bottom: 32px; max-width: 620px; }
.tool-container { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 20px; box-shadow: 0 4px 6px var(--color-shadow); margin-top: 24px; }
.shared-input-notice { margin: 0 0 20px; padding: 11px 13px; border: 1px solid #c4b5fd; border-left: 4px solid var(--color-purple); border-radius: 8px; background: #f5f3ff; color: var(--color-slate); font-size: 13px; line-height: 1.5; }
.shared-input-notice--error { border-color: #fecaca; border-left-color: #dc2626; background: #fef2f2; color: #991b1b; }

/* ── §31 Guide link(s) beside the page title ── */
.title-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-bottom: 8px; }
.title-row h1, .title-row .page-title { margin-bottom: 0; }
.guide-link { display: inline-flex; align-items: center; gap: 6px; min-height: 34px; padding: 5px 14px; background: #fff; color: var(--color-purple); border: 1.5px solid var(--color-border); border-radius: 999px; font-size: 13px; font-weight: 600; text-decoration: none; white-space: nowrap; transition: border-color .15s, background .15s; }
.guide-link::after { content: "\2192"; font-weight: 700; }
.guide-link:hover { border-color: var(--color-purple); background: rgba(85,54,253,.05); text-decoration: none; }

/* ── §32 Currency selector — segmented symbol control (replaces the currency <select>) ── */
.currency-selector { margin-bottom: 20px; }
.currency-selector .field-label { margin-bottom: 7px; }
/* Mobile: buttons share the panel width so the row never overflows/scrolls.
   Desktop (§21) restores the compact, content-width inline look. */
.currency-toggle { display: flex; width: 100%; max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--color-border); border-radius: var(--radius); background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.05); }
.cur-btn { flex: 1 1 0; min-width: 0; min-height: 40px; padding: 8px 6px; font-family: inherit; font-size: 15px; font-weight: 700; line-height: 1; border: none; border-right: 1px solid var(--color-border); background: #fff; color: var(--color-text-secondary); cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 5px; white-space: nowrap; transition: background .14s, color .14s; }
.cur-btn:last-child { border-right: none; }
.cur-btn .cur-code { font-size: 11px; font-weight: 700; letter-spacing: .03em; }
.cur-btn:hover:not(.active) { background: rgba(85,54,253,.06); color: var(--color-purple); }
.cur-btn.active { background: var(--color-purple); color: #fff; }
.cur-btn:focus-visible { outline: 2px solid var(--color-purple); outline-offset: 2px; z-index: 1; }

/* ── §8 Spinner hiding ── */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
input[type="number"] { appearance: textfield; -moz-appearance: textfield; }

/* ── §7 Form inputs — white fill, 16px (no iOS zoom), 44px tall ── */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--color-slate); margin-bottom: 6px; }
.form-group input, .form-group select { width: 100%; min-height: 44px; padding: 12px; border: 1px solid var(--color-border); border-radius: var(--radius); font-size: 16px; font-family: inherit; color: var(--color-slate); background: #fff; transition: border-color .15s, background .15s; }
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--color-purple); }

/* premium field group (finance pages) — uppercase label */
.field-group { margin-bottom: 22px; }
.field-label { display: block; margin-bottom: 6px; font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .4px; color: var(--color-slate); }
.field-input { width: 100%; min-height: 44px; padding: 11px 14px; border: 1.5px solid var(--color-border); border-radius: var(--radius); font-family: inherit; font-size: 16px; color: var(--color-slate); background: #fff; transition: border-color .15s; }
.field-input:focus { outline: none; border-color: var(--color-purple); }
select.field-input { cursor: pointer; }
.field-hint { display: block; font-size: 12px; color: var(--color-text-secondary); margin-bottom: 6px; }
.field-help { display: block; margin-top: 5px; font-size: 12px; color: var(--color-text-secondary); }
.field-error { margin-top: 8px; padding: 9px 11px; border-left: 3px solid #dc2626; background: #fef2f2; color: #991b1b; font-size: 13px; line-height: 1.45; }
.field-input[aria-invalid="true"] { border-color: #dc2626; }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }
main button:focus-visible, main input:focus-visible, main select:focus-visible, main textarea:focus-visible { outline: 3px solid rgba(85,54,253,.35); outline-offset: 2px; border-color: var(--color-purple); }

/* ── §9 Badge prefix / suffix — same 44px height as the input ── */
.field-row { display: flex; gap: 0; align-items: stretch; min-width: 0; }  /* stretch: badges match the input's exact height */
.field-row .field-input, .field-row > input, .field-row > select { min-width: 0; }
.prefix, .suffix { display: flex; align-items: center; min-height: 44px; padding: 0 12px; background: var(--color-border); font-size: 16px; font-weight: 700; color: var(--color-text-secondary); border: 1.5px solid var(--color-border); white-space: nowrap; }
.prefix { border-radius: var(--radius) 0 0 var(--radius); border-right: none; }
.suffix { border-radius: 0 var(--radius) var(--radius) 0; border-left: none; }
input.with-prefix, .field-input.with-prefix { border-radius: 0 var(--radius) var(--radius) 0; }
input.with-suffix, .field-input.with-suffix { border-radius: var(--radius) 0 0 var(--radius); }

/* ── §10 Term-row (yr + mo, ft + in) ── */
.term-row { display: flex; gap: 8px; align-items: center; }
.term-row .field-row { flex: 1; gap: 0; min-width: 0; }
.term-row .field-input { min-width: 0; }

/* ── §29 Grey input panel ── */
.inputs-panel { background: var(--color-bg-light); border: 1px solid var(--color-border); border-radius: 12px; padding: 20px; }

/* ── §19 Two-column grid — overflow-guarded (minmax(0,…) + min-width:0) ──
   .calc-grid          = equal side-by-side panels
   .calc-grid.split    = fixed inputs column + fluid results          */
.calc-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; align-items: start; }
.calc-grid > * { min-width: 0; }
.calc-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 24px; }

/* ── §11 Buttons — always scoped to main ── */
main .btn-calculate, main .btn-calc { margin-top: 16px; padding: 13px 24px; min-height: 44px; width: 100%; background: var(--color-purple); color: #fff; border: none; border-radius: var(--radius); font-size: 16px; font-weight: 600; font-family: inherit; cursor: pointer; box-shadow: 0 2px 8px rgba(85,54,253,.35); transition: opacity .2s, box-shadow .2s; }
main .btn-calculate:hover, main .btn-calc:hover { opacity: .88; box-shadow: 0 4px 14px rgba(85,54,253,.45); }
main .btn-secondary, main .btn-reset { min-height: 44px; padding: 13px 20px; background: none; color: var(--color-text-secondary); border: 1px solid var(--color-border); border-radius: var(--radius); font-size: 15px; font-family: inherit; cursor: pointer; box-shadow: 0 1px 4px rgba(0,0,0,.07); transition: border-color .2s, color .2s; }
main .btn-secondary:hover, main .btn-reset:hover { border-color: var(--color-slate); color: var(--color-slate); }

/* ── §12 Units toggle (metric / imperial) ── */
.units-toggle { display: flex; width: 100%; border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; margin-bottom: 20px; box-shadow: 0 2px 6px rgba(0,0,0,.07); }
.units-toggle button { flex: 1; min-height: 44px; padding: 10px 16px; font-size: 15px; font-family: inherit; border: none; background: #fff; cursor: pointer; color: var(--color-text-secondary); transition: background .15s, color .15s; }
.units-toggle button.active { background: var(--color-purple); color: #fff; }

/* ── §13 Calc tab strip (2–4 modes) ── */
.calc-tabs { display: flex; width: 100%; border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; margin-bottom: 24px; }
main .calc-tab { flex: 1; min-height: 44px; padding: 10px 12px; font-family: inherit; font-size: 14px; font-weight: 600; border: none; cursor: pointer; background: #fff; color: var(--color-text-secondary); transition: background-color .15s, color .15s; }
main .calc-tab:not(:last-child) { border-right: 1px solid var(--color-border); }
main .calc-tab.active { background: var(--color-purple); color: #fff; }

/* ── §27 Mini segmented toggle ── */
.mini-toggle, .sched-toggle { display: inline-flex; border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; }
.mini-btn { min-height: 40px; padding: 8px 14px; font-size: 13px; font-weight: 600; font-family: inherit; border: none; background: #fff; color: var(--color-text-secondary); cursor: pointer; transition: background .15s, color .15s; }
.mini-btn:not(:last-child) { border-right: 1px solid var(--color-border); }
.mini-btn.active { background: var(--color-purple); color: #fff; }

/* ── §14 Filter chips ── */
.term-chip { display: flex; }
.term-chip input[type="checkbox"] { position: absolute; opacity: 0; width: 0; height: 0; }
.term-chip label { display: inline-flex; align-items: center; min-height: 40px; padding: 8px 16px; font-size: 15px; font-weight: 600; cursor: pointer; border: 1.5px solid var(--color-border); border-radius: 20px; background: #fff; user-select: none; transition: border-color .15s, background .15s, color .15s; }
.term-chip input:checked + label { background: var(--color-purple); color: #fff; border-color: var(--color-purple); }
.term-chip label:hover { border-color: var(--color-purple); }

/* ── §15 Dark hero result card ── */
.result-primary { background: var(--color-slate); border-radius: var(--radius); padding: 20px; position: relative; overflow: hidden; }
.result-primary::after { content: ''; position: absolute; top: -40px; right: -40px; width: 140px; height: 140px; border-radius: 50%; background: rgba(85,54,253,.2); }
.result-primary .r-label { font-size: 15px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: #fff; margin-bottom: 8px; }
.result-primary .r-value { font-size: clamp(32px, 8vw, 52px); font-weight: 800; line-height: 1; color: #fff; margin-bottom: 4px; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.result-primary .r-sub { font-size: 13px; color: rgba(255,255,255,.55); }

/* ── §16 Standard result box (simple pages) ── */
.result-box { margin-top: 20px; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 20px; display: none; }
.result-box.visible { display: block; }
.result-main { font-size: clamp(24px, 7vw, 28px); font-weight: 700; color: var(--color-purple); margin-bottom: 4px; }
.result-sub { font-size: 14px; color: var(--color-text-secondary); }

/* ── §25 Dense result list ── */
.result-list { display: flex; flex-direction: column; }
.result-row { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 8px 0; border-bottom: 1px solid var(--color-border); }
.result-row:last-child { border-bottom: none; }
.rl-label { font-size: 13px; color: var(--color-text-secondary); }
.rl-value { font-size: 15px; font-weight: 700; color: var(--color-slate); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.rl-value.purple { color: var(--color-purple); }

/* ── §28 Pie / balance breakdown ── */
.pie-wrap { background: var(--color-bg-light); border: 1px solid var(--color-border); border-radius: 10px; padding: 18px; }
.pie-row { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.pie { width: 120px; height: 120px; border-radius: 50%; flex: none; background: conic-gradient(var(--color-purple) 0 60%, #e0d8ff 0 100%); }
.pie-legend { display: flex; flex-direction: column; gap: 8px; font-size: 13px; color: var(--color-text-secondary); }
.pie-leg-item b { color: var(--color-slate); }

/* ── §17 Ad slot ── */
.ad-slot { padding: 24px 16px; text-align: center; background: #fff; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.ad-label { font-size: 11px; color: var(--color-text-secondary); text-transform: uppercase; letter-spacing: .8px; margin-bottom: 8px; }
.ad-placeholder { background: var(--color-bg-light); border: 1px dashed var(--color-border); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; color: var(--color-text-secondary); font-size: 13px; min-height: 90px; padding: 20px; }

/* ── §18 Info section + grey cards ── */
.info-section { padding: 40px 16px; background: #fff; }
.info-container { max-width: var(--max-width); margin: 0 auto; }
.info-section h2 { font-size: 22px; font-weight: 700; color: var(--color-slate); margin-bottom: 16px; }
.info-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; }
.info-card { background: var(--color-bg-light); border: 1px solid var(--color-border); border-radius: 10px; padding: 20px; }
.info-card h3 { font-size: 15px; font-weight: 700; color: var(--color-slate); margin-bottom: 8px; }
.info-card p { font-size: 13px; color: var(--color-text-secondary); line-height: 1.6; }

/* ── §33 Evidence & Methodology ledger ── */
.evidence-section { padding: 0 16px 40px; background: #fff; }
.info-section.evidence-host { padding-top: 0; }
.info-section > .evidence-section { margin-top: 40px; padding: 0; }
.info-section > .evidence-section + .info-container { margin-top: 40px; }
.evidence-inner { max-width: var(--max-width); margin: 0 auto; padding: 20px; background: #fff;
  border: 1px solid var(--color-border); border-left: 4px solid var(--color-purple); border-radius: 10px; }
.evidence-kicker { margin-bottom: 5px; color: var(--color-purple); font-size: 11px; font-weight: 800;
  letter-spacing: .09em; line-height: 1.3; text-transform: uppercase; }
.evidence-section h2 { margin-bottom: 20px; font-size: 20px; text-wrap: balance; }
.evidence-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; }
.evidence-column { min-width: 0; padding: 18px 0; border-top: 1px solid var(--color-border); }
.evidence-column:first-child { padding-top: 0; border-top: 0; }
.evidence-column:last-child { padding-bottom: 0; }
.evidence-column h3 { margin-bottom: 8px; color: var(--color-slate); font-size: 12px; font-weight: 800;
  letter-spacing: .06em; text-transform: uppercase; }
.evidence-column p { color: var(--color-text-secondary); font-size: 13px; line-height: 1.65; overflow-wrap: anywhere; }
.evidence-limit { margin-top: 10px; }
.evidence-limit strong { color: var(--color-slate); }
.evidence-sources { list-style: none; counter-reset: evidence-source; display: flex; flex-direction: column; gap: 12px; }
.evidence-sources li { counter-increment: evidence-source; position: relative; min-width: 0; padding-left: 32px; }
.evidence-sources li::before { content: counter(evidence-source); position: absolute; top: 1px; left: 0;
  display: inline-flex; align-items: center; justify-content: center; width: 22px; height: 22px;
  border: 1px solid rgba(85,54,253,.28); border-radius: 50%; background: rgba(85,54,253,.06);
  color: var(--color-purple); font-size: 11px; font-weight: 800; font-variant-numeric: tabular-nums; }
.evidence-sources a { display: inline; color: var(--color-slate); font-size: 13px; font-weight: 700;
  line-height: 1.45; text-decoration: underline; text-decoration-color: rgba(85,54,253,.35);
  text-decoration-thickness: 1px; text-underline-offset: 3px; overflow-wrap: anywhere; }
.evidence-sources a:hover { color: var(--color-purple); text-decoration-color: currentColor; }
.evidence-sources span:not(.evidence-format) { display: block; margin-top: 2px; color: var(--color-text-secondary); font-size: 11px; line-height: 1.45; }
.evidence-format { display: inline-block; margin-left: 5px; padding: 1px 5px; border: 1px solid var(--color-border);
  border-radius: 4px; color: var(--color-text-secondary); font-size: 9px; font-weight: 800; letter-spacing: .05em;
  line-height: 1.5; vertical-align: 1px; }
.evidence-reviewed { display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--color-border); }
.evidence-reviewed span { color: var(--color-text-secondary); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.evidence-reviewed time { flex: none; color: var(--color-slate); font-size: 12px; font-weight: 700; font-variant-numeric: tabular-nums; }
/* Visible review metadata. Generated by scripts/prerender-evidence.js from
   data/evidence-sources.json — never hand-edited into a page. */
.evidence-meta { display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px 24px;
  margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--color-border); }
.evidence-meta div { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; min-width: 0; }
.evidence-meta dt { color: var(--color-text-secondary); font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .04em; }
.evidence-meta dd { margin: 0; flex: none; max-width: 60%; text-align: right; color: var(--color-slate);
  font-size: 12px; font-weight: 700; font-variant-numeric: tabular-nums; }
@media (min-width: 700px) { .evidence-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.evidence-policy { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--color-border);
  color: var(--color-text-secondary); font-size: 12px; line-height: 1.55; }
.evidence-policy a { font-weight: 700; }

/* ── Wide-table scroll wrapper ── */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ── §24 Compact / high-density form (opt-in via .form-compact) ── */
.form-compact .field { margin-bottom: 12px; }
.form-compact .field-label { margin-bottom: 4px; }

/* ── §21 Responsive — ENHANCE at ≥768px (base above is mobile) ── */
@media (min-width: 768px) {
  .hero { padding: 48px 32px; }
  .tool-container { padding: 32px; }
  .currency-toggle { display: inline-flex; width: auto; }
  .cur-btn { flex: 0 0 auto; min-width: 46px; padding: 8px 13px; }
  .info-section { padding: 64px 32px; }
  .info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .evidence-section { padding: 0 32px 64px; }
  .info-section > .evidence-section { margin-top: 64px; padding: 0; }
  .info-section > .evidence-section + .info-container { margin-top: 64px; }
  .evidence-inner { padding: 26px 28px 22px; }
  .evidence-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .evidence-column { padding: 0 24px; border-top: 0; border-left: 1px solid var(--color-border); }
  .evidence-column:first-child { padding-left: 0; border-left: 0; }
  .evidence-column:last-child { padding-right: 0; }
  .calc-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .calc-grid.split { grid-template-columns: minmax(0, 380px) minmax(0, 1fr); }
  .form-group input, .form-group select { font-size: 14px; }
  .ad-slot { padding: 32px; }
  .units-toggle { width: fit-content; }
  .units-toggle button { flex: none; min-height: 0; padding: 7px 16px; font-size: 13px; }
  .calc-tabs { width: fit-content; }
  main .calc-tab { flex: none; padding: 10px 24px; }
  .result-primary { padding: 24px 28px; }
  /* compact forms: inline label + control */
  .form-compact .field { display: grid; grid-template-columns: minmax(0,1fr) 150px; align-items: center; column-gap: 14px; margin-bottom: 8px; }
  .form-compact .field-label { margin-bottom: 0; white-space: nowrap; letter-spacing: .3px; }
  .form-compact .field-input { padding: 7px 10px; font-size: 14px; min-height: 0; }
  .form-compact .field-row { align-items: stretch; }
  .form-compact .prefix, .form-compact .suffix { min-height: 0; }
  .form-compact .field.field-wide { display: block; }
  .form-compact .field.field-wide .field-label { margin-bottom: 4px; }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* Guide byline — generated by scripts/prerender-byline.js, sits under the hero
   subtitle. Quiet by design: it is provenance, not a headline. */
.byline { margin-top: 10px; color: var(--color-text-secondary); font-size: 13px; line-height: 1.6; }
.byline a { color: var(--color-purple); font-weight: 700; text-decoration: none; }
.byline a:hover { text-decoration: underline; }