/* dZeitung — base.css */

:root {
  --color-brand:          #cc0000;
  --color-brand-dark:     #990000;
  --color-bg:             #ffffff;
  --color-bg-alt:         #f4f4f0;
  --color-bg-dark:        #0d0d0d;
  --color-bg-nav:         #1c1c1c;
  --color-text:           #1a1a1a;
  --color-text-muted:     #666666;
  --color-text-light:     #9b9b9b;
  --color-text-inverse:   #f0f0f0;
  --color-border:         #e0e0e0;
  --color-border-dark:    #333333;

  --color-cat-politik:    #c0392b;
  --color-cat-wirtschaft: #1a6fa3;
  --color-cat-technik:    #1a7a40;
  --color-cat-kultur:     #7d3c98;
  --color-cat-regional:   #c0620c;

  --font-serif: Georgia, 'Times New Roman', Times, serif;
  --font-sans:  -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-md:   1.0625rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;

  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  --container-max: 1200px;
  --container-pad: clamp(1rem, 4vw, 2rem);

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;

  --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.10);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-text);
}

h1 { font-size: clamp(var(--text-2xl), 4.5vw, var(--text-4xl)); }
h2 { font-size: clamp(var(--text-xl),  3.5vw, var(--text-3xl)); }
h3 { font-size: clamp(var(--text-lg),  2.5vw, var(--text-2xl)); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-md); }

p {
  line-height: 1.75;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}