/* ==============================
   Variables
   ============================== */
:root {
  --color-bg: #f9f9fb;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #6e6e6e;
  --color-accent: #0074d9;
  --color-warning: #f39c12;
  --color-error: #e74c3c;
  
  --font-base: 'Segoe UI', system-ui, sans-serif;
  --font-size-base: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-sm: 0.875rem;

  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  --max-content-width: 1200px;
}

/* ==============================
   Root & Body Setup
   ============================== */
html {
  box-sizing: border-box;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

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

body {
  min-height: 100vh;
  font-family: var(--font-base);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.5;
  display: flex;
  flex-direction: column;
}

body > main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: var(--spacing-md);
}

/* ==============================
   Typography
   ============================== */

h1, h2 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: 1.75rem;
}

h2 {
  font-size: 1.25rem;
}

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

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

/* ==============================
   Utility Layout Elements
   ============================== */

.container {
  width: 100%;
  max-width: var(--max-content-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

footer {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding: var(--spacing-md);
}

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

/* ==============================
   Responsive Adjustments
   ============================== */

@media (min-width: 640px) {
  h1 {
    font-size: 2rem;
  }
  h2 {
    font-size: 1.5rem;
  }
}

@media (min-width: 1024px) {
  body > main {
    padding: var(--spacing-lg);
  }
}