/* =========================================
   German Modal Verbs – Base Styles
   ========================================= */

:root {
  --primary: #0d7377;
  --primary-dark: #095c5f;
  --secondary: #14a085;
  --accent: #f9a826;
  --bg: #f4f7f9;
  --surface: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #d1d5db;
  --success: #10b981;
  --success-light: #d1fae5;
  --error: #ef4444;
  --error-light: #fee2e2;
  --info: #3b82f6;
  --info-light: #dbeafe;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --radius: 0.75rem;
  --radius-sm: 0.375rem;
  --max-width: 960px;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

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

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

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

img {
  max-width: 100%;
  height: auto;
}

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

a:hover, a:focus {
  text-decoration: underline;
}

h1, h2, h3, h4 {
  margin-top: 0;
  line-height: 1.25;
  color: var(--text);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

ul, ol {
  margin-top: 0;
  margin-bottom: 1rem;
  padding-left: 1.25rem;
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
}

.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;
}