/* Additive safeguards only. Existing page styles own component appearance. */
:root {
  --tl-color-navy: #1a2744;
  --tl-color-navy-light: #243354;
  --tl-color-orange: #f97316;
  --tl-color-blue: #2563eb;
  --tl-color-blue-light: #3b82f6;
  --tl-color-sky: #e8f2ff;
  --tl-color-border: #dde6f5;
  --tl-color-page: #fafaf8;
  --tl-color-white: #ffffff;
  --tl-color-black: #0f1420;
  --tl-surface-page: var(--tl-color-page);
  --tl-surface-card: var(--tl-color-white);
  --tl-surface-tint: var(--tl-color-sky);
  --tl-surface-dark: var(--tl-color-navy);
  --tl-text-primary: var(--tl-color-navy);
  --tl-text-secondary: #42506e;
  --tl-text-muted: #5a6a8a;
  --tl-text-on-dark: var(--tl-color-white);
  --tl-text-on-action: var(--tl-color-white);
  --tl-action-primary: var(--tl-color-orange);
  --tl-action-primary-hover: #ea6a0a;
  --tl-action-primary-active: #d95f06;
  --tl-action-secondary: var(--tl-color-blue);
  --tl-link: var(--tl-color-blue);
  --tl-success: #15803d;
  --tl-warning: #b45309;
  --tl-error: #dc2626;
  --tl-border-subtle: var(--tl-color-border);
  --tl-btn-primary-bg: var(--tl-action-primary);
  --tl-btn-primary-text: var(--tl-text-on-action);
  --tl-btn-primary-radius: 10px;
  --tl-btn-primary-padding-y: 16px;
  --tl-btn-primary-padding-x: 32px;
  --tl-btn-primary-font-size: 18px;
  --tl-btn-primary-font-weight: 700;
  --tl-btn-primary-min-height: 56px;
  --tl-input-bg: var(--tl-color-white);
  --tl-input-border: var(--tl-color-border);
  --tl-input-border-focus: var(--tl-color-blue);
  --tl-input-radius: 10px;
  --tl-input-padding-y: 14px;
  --tl-input-padding-x: 16px;
  --tl-input-font-size: 16px;
  --tl-input-error: var(--tl-error);
  --tl-card-bg: var(--tl-surface-card);
  --tl-card-border: var(--tl-color-border);
  --tl-card-radius: 12px;
  --tl-card-shadow: 0 1px 3px rgba(26,39,68,.08), 0 4px 12px rgba(26,39,68,.06);
  --tl-card-padding: 32px;
  --tl-space-1: 4px;
  --tl-space-2: 8px;
  --tl-space-3: 12px;
  --tl-space-4: 16px;
  --tl-space-6: 24px;
  --tl-space-8: 32px;
  --tl-space-12: 48px;
  --tl-space-16: 64px;
  --tl-space-24: 96px;
  --tl-text-xs: 12px;
  --tl-text-sm: 14px;
  --tl-text-base: 16px;
  --tl-text-lg: 18px;
  --tl-text-xl: 20px;
  --tl-text-2xl: 24px;
  --tl-text-3xl: 30px;
  --tl-text-4xl: 36px;
  --tl-text-5xl: 48px;
  --tl-text-hero: clamp(2.5rem, 5vw, 4rem);
  --tl-font-display: 'Fraunces', serif;
  --tl-font-body: 'DM Sans', sans-serif;
  --tl-content-max: 1200px;
  --tl-radius-sm: 4px;
  --tl-radius-md: 8px;
  --tl-radius-lg: 12px;
  --tl-radius-xl: 16px;
  --tl-radius-full: 9999px;
  --tl-shadow-1: 0 1px 2px rgba(26,39,68,.10);
  --tl-shadow-2: 0 1px 3px rgba(26,39,68,.08), 0 4px 12px rgba(26,39,68,.06);
  --tl-shadow-3: 0 8px 30px rgba(26,39,68,.14);
  --tl-motion-fast: 200ms ease-out;
  --tl-motion-base: 300ms ease-out;
  --tl-bp-sm: 640px;
  --tl-bp-md: 768px;
  --tl-bp-lg: 1024px;
  --tl-bp-xl: 1280px;
  /* Accessibility dimensions are deliberate exceptions to the spacing scale. */
  --tl-focus-width: 3px;
  --tl-focus-offset: 3px;
  --tl-anchor-offset: var(--tl-space-24);
}

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: var(--tl-focus-width) solid var(--tl-action-secondary);
  outline-offset: var(--tl-focus-offset);
}

:where([id]) { scroll-margin-top: var(--tl-anchor-offset); }

::selection {
  background-color: var(--tl-surface-tint);
  color: var(--tl-text-primary);
}

/* Keep animation completion: existing heroes start at opacity: 0. */
@media (prefers-reduced-motion: reduce) {
  :where(html) { scroll-behavior: auto !important; }
  :where(*, *::before, *::after) {
    animation-duration: 0.01ms !important;
    animation-delay: 0ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
    scroll-behavior: auto !important;
  }
}

/* Two-tone focus ring on dark surfaces (navy nav, heroes, dark bands): white inner ring + blue outer ring.
   Light surfaces keep the single #2563eb ring above. */
:is(nav, header, footer, .hero, .bottom-cta, .proof-section, .step-number, .calc-outputs, [class*="dark"], [class*="navy"]) :is(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: var(--tl-focus-width) solid var(--tl-color-white);
  outline-offset: 0;
  box-shadow: 0 0 0 6px var(--tl-color-blue);
}

.sticky-mobile-cta :is(a,button):focus-visible { outline:3px solid #1a2744; box-shadow:none; }

/* Real-specificity input focus so page-level outline:none cannot hide it. */
input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: var(--tl-focus-width) solid var(--tl-action-secondary);
  outline-offset: 2px;
}

/* Minimum 44px tap target on logo links. */
.nav-logo, .footer-logo { display: inline-flex; align-items: center; min-height: 44px; }

/* Mobile: header can wrap to ~123px; keep anchor targets clear of it. */
@media (max-width: 480px) { :root { --tl-anchor-offset: 136px; } }