/* feasibility.css — styles for /feasibility/ (index + methodology).
   Visual language follows the clinbolt.com home page (repo TechDlx/clinbolt.com):
   sage page, dark-teal hero and footer, white rounded cards, pill controls, amber notice.
   Colours, fonts and spacing come from /_shared/tokens.css. Mobile-first; the sticky
   header starts at 640px and the two-column layout at 900px. */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.55;
  color: var(--color-text);
  background: var(--color-page);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-link); text-underline-offset: 0.15em; }
a:hover { color: var(--color-primary-hover); }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 var(--space-3); color: var(--color-heading); text-wrap: balance; }
h1 { font-size: var(--text-display); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: var(--text-lg); font-weight: 800; letter-spacing: -0.01em; }
h3 { font-size: var(--text-base); font-weight: 700; }
p { margin: 0 0 var(--space-3); text-wrap: pretty; }
code, pre { font-family: var(--font-mono); font-size: 0.9em; }
pre { background: var(--color-surface-2); padding: var(--space-3); border-radius: var(--radius); overflow-x: auto; }
.num, .big { font-variant-numeric: tabular-nums; }
.muted { color: var(--color-text-muted); }
.small { font-size: var(--text-sm); }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0; padding: 0; margin: -1px;
}
[hidden] { display: none !important; }
.container { width: min(100% - 2rem, 1200px); margin-inline: auto; }

/* ---- Shared chrome (markup in /_shared/nav.html) ---- */
.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 100; padding: 0.6rem 1rem;
  background: var(--brand-teal); color: #fff; border-radius: var(--radius-pill); font-weight: 600; text-decoration: none;
}
.skip-link:focus { top: 1rem; color: #fff; }
.pill {
  display: inline-block; padding: 0.25em 0.8em; border-radius: var(--radius-pill);
  background: var(--brand-amber-tint); color: var(--brand-amber-text);
  font-size: 0.75rem; font-weight: 700; line-height: 1.4; white-space: nowrap;
}
.pill-sm { padding: 0.05em 0.55em; font-size: 0.68rem; }

.notice { background: var(--brand-amber-tint); border-bottom: 1px solid #f3dca4; color: var(--brand-amber-text); font-size: var(--text-sm); line-height: 1.45; }
.notice-inner { display: flex; align-items: flex-start; justify-content: center; gap: 10px; padding-block: 10px; }
.notice svg { flex-shrink: 0; margin-top: 1px; color: var(--brand-amber-icon); }
.notice p { margin: 0; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245, 248, 243, 0.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--color-border);
}
.header-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem 1.5rem; padding-block: 14px; }
.brand { display: inline-flex; border-radius: 8px; }
.brand img { display: block; width: 158px; height: auto; }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 2px 4px; }
.site-nav a {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 13px; border-radius: var(--radius-pill);
  color: var(--brand-teal-text); font-weight: 600; font-size: 0.94rem; text-decoration: none;
}
.site-nav a:hover, .site-nav a[aria-current="true"] { background: var(--brand-teal-tint); color: var(--brand-teal-deep); }
@media (max-width: 639px) {
  /* Two header rows would eat a phone screen if they stayed pinned. */
  .site-header { position: static; }
  html { scroll-padding-top: 12px; }
  .header-inner { flex-direction: column; align-items: flex-start; gap: 6px; padding-block: 12px 8px; }
  .brand img { width: 136px; }
  .site-nav ul { margin-left: -10px; }
  .site-nav a { padding: 8px 10px; font-size: 0.9rem; }
}

.site-footer { margin-top: 48px; padding-block: 48px 56px; background: var(--brand-teal-deep); color: #cfe9e1; }
.site-footer :focus-visible { outline-color: #fcd34d; }
.footer-top { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 32px 48px; }
.footer-brand { display: flex; align-items: center; gap: 16px; }
.footer-logo { display: inline-flex; padding: 10px 14px; border-radius: 14px; background: var(--color-page); }
.footer-logo img { display: block; width: 120px; height: auto; }
.footer-brand p { margin: 0; font-size: 0.94rem; font-weight: 600; color: #fff; }
.footer-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 16px; }
@media (min-width: 768px) { .footer-nav { grid-template-columns: repeat(4, minmax(120px, auto)); column-gap: 56px; } }
.footer-heading { margin: 0 0 10px; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--brand-mint-soft); }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.footer-col a { display: inline-block; padding: 3px 0; color: #fff; font-size: 0.94rem; font-weight: 600; text-decoration: none; }
.footer-col a:hover { color: #fff; text-decoration: underline; }
.footer-legal { margin-top: 28px; padding-top: 24px; border-top: 1px solid #2c6a64; display: flex; flex-direction: column; gap: 8px; font-size: var(--text-sm); }
.footer-legal p { margin: 0; }
.footer-legal strong { color: #fcd34d; }

/* ---- Page layout ---- */
.page { width: min(100% - 2rem, 1200px); margin-inline: auto; padding-top: clamp(16px, 3vw, 28px); }
.layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-6); }
.results { min-width: 0; }
@media (min-width: 900px) {
  .layout { grid-template-columns: 330px minmax(0, 1fr); align-items: start; }
  .form-col { position: sticky; top: 88px; max-height: calc(100vh - 104px); overflow-y: auto; border-radius: var(--radius-lg); }
  .edit-inputs { display: none; }
}
.page-note { margin: var(--space-8) 0 0; font-size: var(--text-sm); color: var(--color-text-muted); }

/* Hero: the home page's dark-teal panel, compact */
.hero {
  position: relative; overflow: hidden; margin-bottom: var(--space-6);
  padding: clamp(24px, 4vw, 44px) clamp(20px, 4vw, 48px);
  border-radius: clamp(20px, 3vw, var(--radius-xl));
  background: var(--brand-teal-deep); color: #fff;
  display: flex; flex-direction: column; gap: var(--space-4);
}
.hero::before { /* faint dot grid, as on the home page */
  content: ""; position: absolute; inset: auto 0 0 0; height: 70%;
  background-image: radial-gradient(rgba(153, 246, 228, 0.16) 1.2px, transparent 1.4px); background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 45%); mask-image: linear-gradient(180deg, transparent 0%, #000 45%);
  pointer-events: none;
}
.hero :focus-visible { outline-color: #fcd34d; }
.hero-copy { position: relative; max-width: 46rem; }
.hero-eyebrow {
  margin: 0 0 var(--space-3); display: flex; align-items: center; gap: 10px; color: var(--brand-mint);
  font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
}
.dot { width: 9px; height: 9px; flex-shrink: 0; border-radius: var(--radius-pill); background: var(--brand-amber); }
.hero h1 { color: #fff; margin-bottom: var(--space-3); letter-spacing: -0.03em; line-height: 1.05; }
.hero-lede { margin: 0; font-size: clamp(1rem, 1.5vw, 1.15rem); line-height: 1.5; color: var(--hero-text); }
.hero-meta { margin: var(--space-3) 0 0; font-size: var(--text-sm); color: var(--brand-mint-soft); }
.subnav { position: relative; display: flex; flex-wrap: wrap; gap: var(--space-2); }
.subnav a {
  display: inline-flex; align-items: center; min-height: 2.5rem; padding: 8px 18px; border-radius: var(--radius-pill);
  border: 1.5px solid rgba(94, 234, 212, 0.55); color: #fff; font-weight: 700; font-size: 0.94rem; text-decoration: none;
}
.subnav a:hover { background: rgba(94, 234, 212, 0.12); color: #fff; }
.subnav a[aria-current="page"] { background: var(--brand-mint); border-color: var(--brand-mint); color: var(--brand-teal-deep); }

/* ---- Banners / boxes (colour + text, never colour alone) ---- */
.box { padding: var(--space-3) var(--space-4); border-radius: 14px; border: 1px solid; margin-bottom: var(--space-4); }
.box--warn { background: var(--color-warn-bg); border-color: var(--color-warn-border); color: var(--color-warn-text); }
.box--info { background: var(--color-info-bg); border-color: var(--color-info-border); color: var(--color-info-text); }
.box--danger { background: var(--color-danger-bg); border-color: var(--color-danger-border); color: var(--color-danger-text); }
.box p:last-child { margin-bottom: 0; }
.box .btn { margin-top: var(--space-2); }

/* ---- Form ---- */
.form { background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: clamp(16px, 2.5vw, 24px); box-shadow: var(--shadow); }
.form h2 { margin-bottom: var(--space-4); }
.field { margin-bottom: var(--space-4); }
.field > label, .field legend, .field .label { display: block; font-weight: 600; font-size: var(--text-sm); color: var(--color-heading); margin-bottom: 6px; }
.field .hint { font-size: var(--text-sm); color: var(--color-text-muted); margin: var(--space-1) 0 0; }
.field .error { font-size: var(--text-sm); color: var(--color-danger-text); margin: var(--space-1) 0 0; }
.input {
  width: 100%; font: inherit; font-size: var(--text-base); padding: 10px 12px; border: 1px solid var(--color-border-strong);
  border-radius: var(--radius); background: var(--color-surface); color: var(--color-text); min-height: 2.75rem;
}
.input:focus-visible { outline-offset: 1px; border-color: var(--color-primary); border-radius: var(--radius); }
.input[aria-invalid="true"] { border-color: var(--color-danger-border); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }

/* Segmented control (radio group): a pill track with a teal thumb */
.segmented {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; padding: 3px;
  border: 1px solid var(--color-border-strong); border-radius: var(--radius-pill); background: var(--color-surface);
}
.segmented label {
  position: relative; margin: 0; text-align: center; font-weight: 600; font-size: var(--text-sm); color: var(--brand-teal-text);
  padding: 7px 0; cursor: pointer; border-radius: var(--radius-pill);
}
.segmented label:hover { background: var(--brand-teal-tint); }
.segmented input { position: absolute; opacity: 0; width: 100%; height: 100%; inset: 0; margin: 0; cursor: pointer; }
.segmented span { position: relative; pointer-events: none; }
.segmented label:has(input:checked) { background: var(--color-primary); color: var(--color-primary-ink); }
.segmented label:has(input:focus-visible) { outline: 3px solid var(--color-focus); outline-offset: 2px; }

/* Combobox listbox (condition + country) */
.combobox { position: relative; }
.listbox {
  position: absolute; z-index: 20; left: 0; right: 0; top: 100%; margin: 4px 0 0; padding: var(--space-1);
  list-style: none; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius);
  box-shadow: var(--shadow); max-height: 16rem; overflow-y: auto;
}
.listbox li { display: flex; justify-content: space-between; gap: var(--space-3); padding: var(--space-2) var(--space-3); cursor: pointer; font-size: var(--text-sm); border-radius: 8px; }
.listbox li[aria-selected="true"], .listbox li:hover { background: var(--brand-teal-tint); color: var(--brand-teal-deep); }
.listbox li .count { color: var(--color-text-muted); white-space: nowrap; }
.listbox .empty { color: var(--color-text-muted); cursor: default; }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: var(--space-2) 0 0; padding: 0; list-style: none; }
.chip {
  display: inline-flex; align-items: center; gap: var(--space-1); background: var(--brand-teal-tint); color: var(--brand-teal-deep);
  border-radius: var(--radius-pill); padding: 3px 4px 3px 12px; font-size: var(--text-sm); font-weight: 600;
}
.chip button { border: 0; background: transparent; cursor: pointer; font: inherit; line-height: 1; padding: 3px 7px; border-radius: var(--radius-pill); color: var(--brand-teal-text); }
.chip button:hover { background: rgba(15, 118, 110, 0.15); color: var(--brand-teal-deep); }

details.advanced summary { cursor: pointer; font-weight: 700; font-size: var(--text-sm); color: var(--brand-teal-text); margin-bottom: var(--space-3); }
.check { display: flex; gap: var(--space-2); align-items: flex-start; font-weight: 400; font-size: var(--text-sm); }
.check input { margin-top: 0.3em; accent-color: var(--color-primary); }

/* Buttons: pills, as on the home page (ghost = secondary, teal = primary) */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); font: inherit; font-weight: 700;
  padding: 8px 18px; border-radius: var(--radius-pill); border: 1px solid #b9d4ca;
  background: var(--color-page); color: var(--brand-teal-text); cursor: pointer; min-height: 2.75rem;
}
.btn:hover { background: var(--brand-teal-tint); color: var(--brand-teal-deep); }
.btn--primary { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-primary-ink); width: 100%; min-height: 3rem; font-size: 1.02rem; }
.btn--primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); color: var(--color-primary-ink); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn--small { font-size: var(--text-sm); min-height: 2.25rem; padding: 6px 14px; }
.spinner { width: 1em; height: 1em; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.edit-inputs { position: sticky; top: 0; z-index: 10; background: var(--color-page); padding: var(--space-2) 0; margin-bottom: var(--space-2); }

/* ---- Results ---- */
.panel {
  background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: clamp(16px, 2.5vw, 24px); margin-bottom: var(--space-4); min-width: 0; box-shadow: var(--shadow-sm);
}
.panel h2 { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: baseline; }
.panel h2 .n { font-weight: 500; font-size: var(--text-sm); color: var(--color-text-muted); letter-spacing: 0; }
.presets { display: grid; gap: var(--space-2); }
.presets .btn { text-align: left; justify-content: flex-start; white-space: normal; border-radius: var(--radius); padding: 12px 16px; }
.cohort-strip b { font-weight: 700; color: var(--color-heading); }
.strip { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-bottom: var(--space-3); }
.strip .stat { font-size: var(--text-sm); color: var(--color-text-muted); }
.strip .stat b { color: var(--color-heading); font-size: var(--text-base); }

/* Scenario cards: colour band + text label, never colour alone
   (optimistic teal, expected slate, pessimistic amber) */
.scenarios { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: var(--space-3); margin-bottom: var(--space-3); }
.scenario { border: 1px solid var(--color-border); border-top: 5px solid var(--color-border); border-radius: 16px; padding: var(--space-3) var(--space-4); background: var(--color-surface); }
.scenario--good { border-top-color: var(--color-good-border); }
.scenario--neutral { border-top-color: var(--color-text-muted); }
.scenario--warn { border-top-color: var(--brand-amber); }
.scenario h3 { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--brand-teal-text); margin-bottom: var(--space-1); }
.scenario .big { font-size: var(--text-2xl); font-weight: 800; line-height: 1.1; color: var(--color-heading); letter-spacing: -0.02em; }
.scenario .big small { font-size: var(--text-base); font-weight: 600; letter-spacing: 0; }
.scenario p { font-size: var(--text-sm); margin: var(--space-1) 0 0; }
.caveat { margin: var(--space-3) 0 0; }

/* Tables */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table--wide { min-width: 640px; } /* scroll inside the wrapper on phones instead of crushing columns */
table { border-collapse: collapse; width: 100%; font-size: var(--text-sm); }
th, td { text-align: left; padding: 10px var(--space-2); border-bottom: 1px solid var(--color-border); vertical-align: top; }
thead th { font-weight: 700; font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--brand-teal-text); border-bottom-width: 2px; }
tbody th { font-weight: 600; color: var(--color-text); }
@media (min-width: 600px) { thead th { white-space: nowrap; } }
th.num, td.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.is-insufficient td { color: var(--color-text-muted); }
tr.is-selected { box-shadow: inset 4px 0 0 var(--color-primary); background: var(--brand-teal-tint); }
tr.is-all td, tr.is-all th { font-weight: 700; }
.footnote { font-size: var(--text-sm); color: var(--color-text-muted); margin: var(--space-3) 0 0; }
.city-block { margin-top: var(--space-4); }
.city-block h3 { margin-bottom: var(--space-2); }

/* Charts */
.chart { width: 100%; min-height: 260px; }
.chart--geo { min-height: 320px; }
.toggle { display: inline-flex; gap: var(--space-2); align-items: center; font-size: var(--text-sm); font-weight: 600; color: var(--brand-teal-text); margin: var(--space-2) 0; }
.toggle input { accent-color: var(--color-primary); }

/* Skeletons */
.skeleton { display: grid; gap: var(--space-2); }
.skeleton span { display: block; height: 1rem; border-radius: var(--radius-pill); background: linear-gradient(90deg, var(--color-surface-2) 25%, var(--color-surface) 50%, var(--color-surface-2) 75%); background-size: 200% 100%; animation: shimmer 1.4s infinite; }
.skeleton span.tall { height: 12rem; border-radius: var(--radius); }
@keyframes shimmer { to { background-position: -200% 0; } }
@media (prefers-reduced-motion: reduce) { .skeleton span, .spinner { animation-duration: 3s; } }

.results-footer { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; font-size: var(--text-sm); color: var(--color-text-muted); }
.status { font-size: var(--text-sm); color: var(--color-good-text); }

/* ---- Methodology page ---- */
.prose { max-width: 78ch; }
.prose h2 { margin-top: var(--space-8); }
.prose h3 { margin-top: var(--space-6); }
.prose blockquote { margin: var(--space-3) 0; padding: var(--space-3) var(--space-4); border-left: 4px solid var(--brand-teal); border-radius: 0 var(--radius) var(--radius) 0; background: var(--brand-teal-tint); color: var(--brand-teal-deep); }
.prose table { margin: var(--space-3) 0; }
.meta-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(118px, 1fr)); gap: var(--space-3); margin: var(--space-4) 0; padding: 0; }
.meta-grid div {
  display: flex; flex-direction: column; justify-content: space-between; gap: 6px; /* numbers share a baseline row */
  background: var(--color-bg); border: 1px solid var(--color-border); border-radius: 16px; padding: var(--space-3); box-shadow: var(--shadow-sm);
}
.meta-grid #m-data_refreshed_at { font-size: var(--text-base); padding-top: 0.3rem; white-space: nowrap; }
.meta-grid dt { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brand-teal-text); }
.meta-grid dd { margin: 0; font-size: var(--text-xl); font-weight: 800; color: var(--color-heading); font-variant-numeric: tabular-nums; }