/* ============================================================================
   Caregiver — base.css
   ---------------------------------------------------------------------------
   Resets, typography, layout primitives, focus, motion preferences.
   Depends on tokens.css.
   ============================================================================ */

/* ---------------------------------------------------------------------------
   Fonts — Fraunces (display) + Satoshi (body) via Fontshare
   --------------------------------------------------------------------------- */
@import url('https://api.fontshare.com/v2/css?f[]=fraunces@500,600,600i,700&f[]=satoshi@400,500,700&display=swap');

/* ---------------------------------------------------------------------------
   Modern reset (Andy Bell-ish, tightened for our system)
   --------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: var(--leading-relaxed);
  font-weight: var(--weight-regular);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'ss01', 'kern';
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: 0;
  cursor: pointer;
}

ul,
ol {
  list-style: none;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--motion-micro);
}

a:hover {
  color: var(--color-primary-hover);
}

/* Links inside running body text are underlined for accessibility (WCAG 1.4.1).
   Class-styled anchors (buttons, nav, cards, tags) opt out via :not selectors. */
p a,
li a,
.prose a,
footer .footer-disclaimer a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

p a:hover,
li a:hover,
.prose a:hover {
  text-decoration-thickness: 2px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}

::selection {
  background: var(--color-signal-highlight);
  color: var(--color-primary-ink);
}

/* ---------------------------------------------------------------------------
   Typography — hierarchy
   --------------------------------------------------------------------------- */

.font-display {
  font-family: var(--font-display);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
}

.font-body {
  font-family: var(--font-body);
}

h1, h2, h3, h4, h5, h6,
.h-hero, .h1, .h2, .h3 {
  font-family: var(--font-display);
  font-weight: var(--weight-semibold);
  color: var(--color-primary-ink);
  letter-spacing: var(--tracking-tight);
}

.h-hero {
  font-size: var(--size-hero);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-5);
}

h1, .h1 {
  font-size: var(--size-h1);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-4);
}

h2, .h2 {
  font-size: var(--size-h2);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-4);
}

h3, .h3 {
  font-size: var(--size-h3);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-3);
}

/* Italic accent — Fraunces italic for emphasized words inside headings.
   Use <em class="accent">together</em> in the hero. */
.accent,
em.accent {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: var(--weight-semibold);
  color: var(--color-signal-text-large);
}

p {
  max-width: 65ch;
  margin-bottom: var(--space-4);
}

p.lede {
  font-size: var(--size-body-lg);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  max-width: 60ch;
}

small,
.caption {
  font-size: var(--size-caption);
  color: var(--color-text-muted);
}

.tiny {
  font-size: var(--size-eyebrow);
  color: var(--color-text-faint);
}

/* ---------------------------------------------------------------------------
   Layout primitives
   --------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container-narrow {
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container-prose {
  max-width: var(--container-prose);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(3rem, 7vw, 6rem);
}

.section-tight {
  padding-block: clamp(2rem, 4vw, 3.5rem);
}

.section-offset {
  background: var(--color-surface-offset);
}

.section-surface {
  background: var(--color-surface);
}

/* Stack — vertical rhythm utility */
.stack > * + * {
  margin-top: var(--space-4);
}
.stack-sm > * + * { margin-top: var(--space-2); }
.stack-lg > * + * { margin-top: var(--space-6); }
.stack-xl > * + * { margin-top: var(--space-10); }

/* Cluster — horizontal row with wrap */
.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

/* Grid helpers */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* Two-column split — used in feature rows */
.split {
  display: grid;
  gap: var(--space-10);
  grid-template-columns: 1fr;
  align-items: center;
}

@media (min-width: 760px) {
  .split { grid-template-columns: 1.05fr 1fr; }
  .split-reverse { grid-template-columns: 1fr 1.05fr; }
  .split-reverse > :first-child { order: 2; }
}

/* Visually hidden — for a11y labels */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--color-primary-ink);
  color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: var(--z-toast);
  transition: top var(--motion-interactive);
}
.skip-link:focus-visible {
  top: var(--space-4);
  color: var(--color-text-inverse);
}

/* Numbers — tabular for stats / metrics */
.num {
  font-variant-numeric: tabular-nums lining-nums;
}

/* Soft divider */
hr,
.divider {
  border: 0;
  height: 1px;
  background: var(--color-divider);
  margin-block: var(--space-8);
}