/* ============================================================
   HAPTO · CARE - BASE
   Reset, document defaults, typography baseline.
   Depends on: tokens.css
   ============================================================ */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  min-width: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern", "ss01", "cv05";
  -webkit-tap-highlight-color: transparent;
  scroll-padding-top: var(--space-9);
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  font-weight: var(--weight-regular);
  color: var(--text-default);
  background: var(--surface-canvas);
  overflow-x: hidden;
  min-height: 100vh;
  accent-color: var(--brand-primary);
}

/* Calm clinical ambient: soft teal/violet/mint light, never a harsh grid */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 10% 6%,  color-mix(in oklab, var(--teal-400) 10%, transparent) 0, transparent 36%),
    radial-gradient(circle at 90% 2%,  color-mix(in oklab, var(--violet-400) 9%, transparent) 0, transparent 38%),
    radial-gradient(circle at 78% 98%, color-mix(in oklab, var(--green-400) 7%, transparent) 0, transparent 40%);
  pointer-events: none;
  z-index: 0;
}

/* ---------- TYPOGRAPHY SCALE ------------------------------ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  color: var(--text-strong);
  letter-spacing: var(--tracking-tight);
}

h1 {
  font-size: clamp(var(--text-2xl), 6vw, var(--text-4xl));
  line-height: var(--leading-display);
}

h2 {
  font-size: clamp(var(--text-xl), 4vw, var(--text-3xl));
  line-height: var(--leading-heading);
}

h3 {
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
}

h4 {
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-normal);
}

h5 {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-dense);
}

h6 {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-dense);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--text-subtle);
}

p {
  line-height: var(--leading-body);
  color: var(--text-default);
}

p + p { margin-top: var(--space-4); }

small, .text-small {
  font-size: var(--text-sm);
  color: var(--text-subtle);
}

code, kbd, samp, pre {
  font-family: var(--font-mono);
  font-size: 0.92em;
  line-height: var(--leading-mono);
}

pre { display: block; overflow-x: auto; }

strong, b {
  font-weight: var(--weight-semibold);
  color: var(--text-strong);
}

a {
  color: var(--brand-accent-text);
  text-decoration: none;
  text-underline-offset: 0.18em;
  transition: color var(--dur-fast) var(--ease-out-brand);
}
a:hover { color: var(--brand-accent-hover); }
a:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}

/* ---------- SELECTION ------------------------------------- */
::selection {
  background: color-mix(in oklab, var(--brand-primary) 26%, transparent);
  color: var(--text-strong);
}

/* ---------- SKIP LINK ------------------------------------- */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  padding: var(--space-2) var(--space-4);
  background: var(--brand-primary);
  color: var(--text-on-accent);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  border-radius: 0 0 var(--radius-sm) 0;
  z-index: calc(var(--z-nav) + 1);
  transition: top var(--dur-fast) var(--ease-out-brand);
}
.skip-link:focus-visible { top: 0; outline: none; }

/* ---------- SCROLLBAR ------------------------------------- */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  background-clip: content-box;
}
*::-webkit-scrollbar-thumb:hover {
  background: var(--brand-primary);
  background-clip: content-box;
  border: 2px solid transparent;
}

/* ---------- IMG / MEDIA RESET ----------------------------- */
img, svg, video, canvas, picture {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ---------- FORM RESET ------------------------------------ */
button, input, select, textarea {
  font: inherit;
  color: inherit;
}
button { background: none; border: 0; cursor: pointer; }
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
a, button { touch-action: manipulation; }