:root {
  /* Farbvariablen */
  --color-bg: #f5f5f5;
  --color-surface: #ffffff;
  --color-primary: #2a7ae2;
  --color-secondary: #888;
  --color-text: #222;
  --color-accent: #e27a2a;

  /* Typografie */
  --font-base: 'Segoe UI', Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.5;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;

  /* Breakpoints */
  --breakpoint-sm: 640px;
  --breakpoint-md: 1024px;
  --breakpoint-lg: 1440px;
}

/* Reset und Grundlayout */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Typografie */
h1 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

h2 {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  color: var(--color-accent);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.text-muted {
  color: var(--color-secondary);
}

/* Utility Klassen */
.flex-row {
  display: flex;
  flex-direction: row;
  align-items: center;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.hidden {
  display: none !important; /* Wichtig um dynamisch UI-Elemente auszublenden */
}

/* Responsive Anpassungen */
@media (min-width: var(--breakpoint-sm)) {
  h1 {
    font-size: 2.25rem;
  }
}

@media (min-width: var(--breakpoint-md)) {
  h1 {
    font-size: 2.5rem;
  }
  h2 {
    font-size: 1.75rem;
  }
}

/* Footer Hinweis */
footer {
  margin-top: auto;
  text-align: center;
  padding: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--color-secondary);
}

footer::after {
  content: "© 2026 Donau2Space.de";
  display: block;
  margin-top: var(--spacing-xs);
}