/* ═══ COLOR FLOW MAP (from design-spec.theme_context_map) ═══
 *
 * index.html (ftrc-page--dark-top):
 *   nav        → transparent-on-dark (scrolled: solid #0F2D3A)  | logo: logo-light | links: white
 *   hero       → DARK  (#0F2D3A)        | text: #EEF4F1 (white)
 *   trust-bar  → DARK-ALT (#162B35)     | text: #A8C5BC
 *   problem    → LIGHT (#F5F7F5)        | text: #0F2D3A  | stat-cards: WHITE
 *   platform   → DARK  (#0F2D3A)        | text: white    | cards: DARK-ALT (#162B35)
 *   fsma-spot  → LIGHT (#F5F7F5)        | text: #0F2D3A
 *   how-it-wks → WHITE (#FFFFFF)        | text: #0F2D3A  | step-cards: LIGHT
 *   testimonials → CREAM (#F9F6EE)      | text: #0F2D3A
 *   integrations → LIGHT (#F5F7F5)      | text: #0F2D3A
 *   home-cta   → DARK  (#0F2D3A)        | text: white
 *   footer     → DARK  (#0F2D3A)        | text: #EEF4F1 / #A8C5BC
 *
 * about.html (ftrc-page--light-top):
 *   nav        → transparent-on-light (scrolled: solid #0F2D3A) | logo: logo-dark at scroll=0, logo-light when scrolled
 *   about-hero → LIGHT (#F5F7F5)        | text: #0F2D3A
 *   about-mission → WHITE              | text: #0F2D3A
 *   about-founder → CREAM (#F9F6EE)    | text: #0F2D3A
 *   about-values → DARK (#0F2D3A)      | text: white    | cards: DARK-ALT
 *   about-chicago → LIGHT             | text: #0F2D3A
 *   footer     → DARK                 | text: white
 *
 * NOTE: Dark-top pages (index, fsma-204, platform/*, solutions/food-manufacturers):
 *   nav at scroll=0: transparent, white links, logo-light
 * NOTE: Light-top pages (all others):
 *   nav at scroll=0: transparent, dark links, logo-dark
 *   Both: scrolled → solid #0F2D3A, white links, logo-light
 *
 * ADJACENT SAME-POLARITY: light→light sections need border/shade separation
 * ═══════════════════════════════════════════════════════════════════════════ */

/* ─── CSS Custom Properties ─── */
:root {
  /* Brand palette */
  --ftrc-navy: #0F2D3A;
  --ftrc-navy-alt: #162B35;
  --ftrc-teal: #1A6B5C;
  --ftrc-teal-on-light: #155E4F;
  --ftrc-teal-on-dark: #2EBF9A;
  --ftrc-amber: #D4860A;
  --ftrc-amber-bg: #FEF3CD;
  --ftrc-amber-text: #7A4C00;

  /* Foreground tokens */
  --ftrc-fg-light-primary: #0F2D3A;
  --ftrc-fg-light-secondary: #4A5E6A;
  --ftrc-fg-light-muted: #6D8290;
  --ftrc-fg-dark-primary: #EEF4F1;
  --ftrc-fg-dark-secondary: #A8C5BC;
  --ftrc-fg-dark-muted: #6B9285;

  /* Background tokens */
  --ftrc-bg-light: #F5F7F5;
  --ftrc-bg-white: #FFFFFF;
  --ftrc-bg-dark: #0F2D3A;
  --ftrc-bg-dark-alt: #162B35;
  --ftrc-bg-cream: #F9F6EE;

  /* Border tokens */
  --ftrc-border-light: #D5E0DC;
  --ftrc-border-dark: #2A4B58;

  /* Typography */
  --ftrc-font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --ftrc-font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  /* Spacing */
  --ftrc-section-v: 80px;
  --ftrc-container-max: 1200px;
  --ftrc-container-px: 48px;
  --ftrc-card-pad: 32px;
  --ftrc-radius-sm: 6px;
  --ftrc-radius-md: 12px;
  --ftrc-radius-lg: 20px;

  /* Nav */
  --ftrc-nav-h: 72px;
  --ftrc-nav-h-scrolled: 56px;
}

/* ─── Reset & Base ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--ftrc-font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ftrc-fg-light-primary);
  background: var(--ftrc-bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Dark-top pages: body bg matches hero dark so transparent nav shows correctly */
body.ftrc-page--dark-top {
  background: var(--ftrc-bg-dark);
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
}

/* ─── Typography Scale ─── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--ftrc-font-sans);
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; font-weight: 500; letter-spacing: 0; }
h4 { font-size: 1.125rem; font-weight: 500; letter-spacing: 0; }

p { line-height: 1.65; }

/* ─── Container ─── */
.ftrc-container {
  max-width: var(--ftrc-container-max);
  margin: 0 auto;
  padding-left: var(--ftrc-container-px);
  padding-right: var(--ftrc-container-px);
}

/* ─── Section Spacing ─── */
.ftrc-section {
  padding-top: var(--ftrc-section-v);
  padding-bottom: var(--ftrc-section-v);
}

/* ─── Section Background Variants ─── */
.ftrc-section--dark {
  background: var(--ftrc-bg-dark);
}

.ftrc-section--dark-alt {
  background: var(--ftrc-bg-dark-alt);
}

.ftrc-section--light {
  background: var(--ftrc-bg-light);
}

.ftrc-section--white {
  background: var(--ftrc-bg-white);
}

.ftrc-section--cream {
  background: var(--ftrc-bg-cream);
}

/* ─── Eyebrow / Label ─── */
.ftrc-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 0.75rem;
}

.ftrc-section--light .ftrc-eyebrow,
.ftrc-section--white .ftrc-eyebrow,
.ftrc-section--cream .ftrc-eyebrow {
  color: var(--ftrc-teal-on-light);
}

.ftrc-section--dark .ftrc-eyebrow,
.ftrc-section--dark-alt .ftrc-eyebrow {
  color: var(--ftrc-teal-on-dark);
}

/* Eyebrow on hero specifically (dark bg) */
.ftrc-hero .ftrc-eyebrow {
  color: var(--ftrc-teal-on-dark);
}

/* ─── Section Headings ─── */
.ftrc-section--light h2,
.ftrc-section--white h2,
.ftrc-section--cream h2 {
  color: var(--ftrc-fg-light-primary);
}

.ftrc-section--dark h2,
.ftrc-section--dark-alt h2 {
  color: var(--ftrc-fg-dark-primary);
}

.ftrc-section--light p,
.ftrc-section--white p,
.ftrc-section--cream p {
  color: var(--ftrc-fg-light-secondary);
}

.ftrc-section--dark p,
.ftrc-section--dark-alt p {
  color: var(--ftrc-fg-dark-secondary);
}

/* ─── Buttons ─── */
.ftrc-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  border-radius: var(--ftrc-radius-sm);
  font-family: var(--ftrc-font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  text-align: center;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.1s;
  white-space: nowrap;
  text-decoration: none;
}

.ftrc-btn:hover {
  transform: translateY(-1px);
}

.ftrc-btn:active {
  transform: translateY(0);
}

/* Primary — teal fill, white text */
.ftrc-btn--primary {
  background: var(--ftrc-teal);
  color: #FFFFFF;
  border-color: var(--ftrc-teal);
}

.ftrc-btn--primary:hover {
  background: #155E4F;
  border-color: #155E4F;
  color: #FFFFFF;
}

/* Outline on dark */
.ftrc-btn--outline-dark {
  background: transparent;
  color: var(--ftrc-fg-dark-primary);
  border-color: rgba(238, 244, 241, 0.4);
}

.ftrc-btn--outline-dark:hover {
  border-color: var(--ftrc-fg-dark-primary);
  background: rgba(238, 244, 241, 0.08);
  color: var(--ftrc-fg-dark-primary);
}

/* Outline on light */
.ftrc-btn--outline-light {
  background: transparent;
  color: var(--ftrc-fg-light-primary);
  border-color: var(--ftrc-border-light);
}

.ftrc-btn--outline-light:hover {
  border-color: var(--ftrc-teal-on-light);
  color: var(--ftrc-teal-on-light);
}

/* Ghost on dark */
.ftrc-btn--ghost-dark {
  background: transparent;
  color: var(--ftrc-teal-on-dark);
  border-color: transparent;
  padding-left: 0;
  padding-right: 0;
}

.ftrc-btn--ghost-dark:hover {
  color: var(--ftrc-fg-dark-primary);
}

/* ─── Lot Code Mono ─── */
.ftrc-lot-code {
  font-family: var(--ftrc-font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  background: rgba(26, 107, 92, 0.12);
  color: var(--ftrc-teal-on-light);
  padding: 0.125rem 0.5rem;
  border-radius: 4px;
  border: 1px solid rgba(26, 107, 92, 0.2);
}

.ftrc-section--dark .ftrc-lot-code,
.ftrc-section--dark-alt .ftrc-lot-code {
  background: rgba(46, 191, 154, 0.12);
  color: var(--ftrc-teal-on-dark);
  border-color: rgba(46, 191, 154, 0.2);
}

/* ─── Compliance Badge ─── */
.ftrc-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.875rem;
  border-radius: 20px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.ftrc-badge--teal {
  background: rgba(26, 107, 92, 0.1);
  color: var(--ftrc-teal-on-light);
  border: 1px solid rgba(26, 107, 92, 0.2);
}

.ftrc-badge--teal-dark {
  background: rgba(46, 191, 154, 0.15);
  color: var(--ftrc-teal-on-dark);
  border: 1px solid rgba(46, 191, 154, 0.25);
}

.ftrc-badge--amber {
  background: var(--ftrc-amber-bg);
  color: var(--ftrc-amber-text);
  border: 1px solid rgba(212, 134, 10, 0.25);
}

/* ─── Section Header ─── */
.ftrc-section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.ftrc-section-header h2 {
  margin-bottom: 1rem;
}

.ftrc-section-header p {
  font-size: 1.125rem;
}

/* ─── Utilities ─── */
.ftrc-text-center { text-align: center; }
.ftrc-text-teal { color: var(--ftrc-teal-on-light); }
.ftrc-text-teal-dark { color: var(--ftrc-teal-on-dark); }

.ftrc-mono {
  font-family: var(--ftrc-font-mono);
  font-variant-numeric: tabular-nums;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--ftrc-bg-light); }
::-webkit-scrollbar-thumb { background: var(--ftrc-border-light); border-radius: 3px; }

/* ─── Focus Styles ─── */
:focus-visible {
  outline: 2px solid var(--ftrc-teal);
  outline-offset: 3px;
}

/* ─── Google Fonts ─── */
/* @import handled by HTML <link> preload */

/* ─── Responsive ─── */
@media (max-width: 1200px) {
  :root {
    --ftrc-container-px: 32px;
  }
}

@media (max-width: 768px) {
  :root {
    --ftrc-section-v: 56px;
    --ftrc-container-px: 24px;
    --ftrc-card-pad: 24px;
  }

  h2 { font-size: 1.875rem; }
  h3 { font-size: 1.25rem; }
}