/* ==========================================================
   BAYBARS CONSULTING
   Unfallhilfe Stuttgart

   System  : B-UI
   Version : 2.0
   Build   : 2026.08.14
   Status  : Release Candidate

   File    : 01-b-ui.css
   Doc-ID  : BUI-UHS-CSS-001

   Purpose :
   Foundation tokens, reset, base styles and global accessibility rules.

   Copyright (c) 2026 BAYBARS CONSULTING.
   All rights reserved.
========================================================== */
/* ==========================================================
   01. Foundation Tokens
========================================================== */

:root {
  /* ---------- Typography ---------- */

  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;

  /* ---------- Radius ---------- */

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  /* ---------- Shadows ---------- */

  --shadow-soft: 0 14px 34px rgba(0, 0, 0, 0.08);
  --shadow-medium: 0 18px 42px rgba(0, 0, 0, 0.12);

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

  --container: 1120px;

  /* ---------- Transitions ---------- */

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

/* ==========================================================
   02. Reset & Base
========================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

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

button {
  cursor: pointer;
}

/* ==========================================================
   Base Typography
========================================================== */

h1,
h2,
h3,
p {
  margin-top: 0;
}

p {
  font-size: clamp(1rem, 0.35vw + 0.92rem, 1.125rem);
  line-height: 1.6;
}

/* ==========================================================
   03. Accessibility
========================================================== */

:focus-visible {
  outline: 3px solid var(--color-focus-ring);
  outline-offset: 3px;
}

/* ==========================================================
   Reduced Motion
========================================================== */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}