/* ============================================================
   Base Styles — Reset + Typografie
   ============================================================ */

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

img { border-radius: inherit; }

ul, ol { padding-inline-start: 1.25em; }

p, ul, ol, blockquote, figure { margin-block: 0 var(--space-4); }

h1, h2, h3, h4, h5, h6 {
  margin-block: 0 var(--space-3);
  line-height: var(--lh-headings);
  font-weight: var(--fw-bold);
  letter-spacing: var(--letter-tight);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

a {
  color: var(--color-primary-dark);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1px;
  transition: color var(--t-fast);
}
a:hover { color: var(--color-primary-darker); text-decoration-thickness: 2px; }

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  background: none;
  border: 0;
  padding: 0;
}

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

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin-block: var(--space-8);
}

code, kbd, samp, pre {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

/* Skip-Link (WCAG 2.4.1) */
.skip-link {
  position: absolute;
  inset-inline-start: var(--space-2);
  inset-block-start: -3rem;
  z-index: var(--z-skip);
  background: var(--color-primary-dark);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: var(--fw-medium);
  transition: top var(--t-fast);
}
.skip-link:focus { inset-block-start: var(--space-2); }

/* Print */
@media print {
  .site-header, .site-footer, .skip-link { display: none; }
  body { color: #000; background: #fff; }
  a { color: #000; text-decoration: none; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 0.85em; }
}