/* ==============================
   Root Variables
   ============================== */
:root {
  --color-bg: #f7f8fa;
  --color-text: #1a1a1a;
  --color-accent: #005ecb;
  --color-accent-light: #d6e4ff;
  --color-warning: #ff9800;
  --color-error: #d32f2f;
  --color-success: #388e3c;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --border-radius: 4px;
  --font-base: 'Segoe UI', Arial, sans-serif;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.25rem;
  --line-height-base: 1.5;
}

/* ==============================
   Body Layout
   ============================== */
body {
  margin: 0;
  padding: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==============================
   Typography
   ============================== */
h1,
h2,
p {
  margin: 0 0 var(--spacing-md) 0;
}

h1 {
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-accent);
}

h2 {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-text);
}

p {
  font-size: var(--font-size-base);
  color: var(--color-text);
}

/* ==============================
   Responsive Adjustments
   ============================== */
@media (min-width: 640px) {
  h1 {
    font-size: 2.25rem;
  }
  h2 {
    font-size: 1.75rem;
  }
}

@media (min-width: 1024px) {
  :root {
    --font-size-base: 1.0625rem;
  }
}

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

footer::after {
  content: '© 2026 Donau2Space.de';
  display: block;
  margin-top: var(--spacing-sm);
  opacity: 0.7;
}