/**
 * VA Vitale Arbeitskultur - Base Styles
 * Gemeinsames Stylesheet für alle statischen Seiten
 */

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

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

body {
  font-family: var(--font-family-primary), -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
  color: var(--color-neutral-black);
  background-color: #ffffff;
}

/* Typografie */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-medium);
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: var(--font-size-xl);
  color: var(--color-brand-secondary);
}

h2 {
  font-size: var(--font-size-lg);
  color: var(--color-brand-secondary);
}

h3 {
  font-size: calc(var(--font-size-base) * 1.5);
}

p {
  margin-bottom: 1rem;
}

strong, b {
  font-weight: var(--font-weight-bold);
}

a {
  color: var(--color-brand-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--color-brand-secondary);
}

/* Container & Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: var(--spacing-default) 0;
}

.section-narrow {
  padding: var(--spacing-narrow) 0;
}

/* Header */
header {
  background-color: var(--color-brand-secondary);
  color: white;
  padding: 1.5rem 0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-ultra-bold);
  color: var(--color-brand-primary);
  text-decoration: none;
}

/* Navigation */
nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
}

nav a {
  color: white;
  font-weight: var(--font-weight-medium);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

nav a:hover,
nav a.active {
  background-color: var(--color-brand-primary);
  color: var(--color-brand-secondary);
}

/* Main Content */
main {
  min-height: calc(100vh - 300px);
}

/* Cards & Components */
.card {
  background: white;
  border: 2px solid var(--color-brand-primary);
  border-radius: 8px;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.card h2 {
  color: var(--color-brand-secondary);
  margin-bottom: 1rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  font-weight: var(--font-weight-bold);
  text-align: center;
  border-radius: 4px;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-brand-primary);
  color: var(--color-brand-secondary);
}

.btn-primary:hover {
  background-color: var(--color-brand-secondary);
  color: var(--color-brand-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
  background-color: var(--color-brand-secondary);
  color: white;
}

.btn-secondary:hover {
  background-color: var(--color-brand-accent);
}

/* Footer */
footer {
  background-color: var(--color-brand-secondary);
  color: white;
  padding: 3rem 0 1.5rem;
  margin-top: var(--spacing-default);
}

footer a {
  color: var(--color-brand-primary);
}

footer a:hover {
  color: white;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  color: var(--color-brand-primary);
  margin-bottom: 1rem;
  font-size: var(--font-size-base);
}

.footer-bottom {
  border-top: 1px solid rgba(239, 183, 8, 0.3);
  padding-top: 1.5rem;
  text-align: center;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-primary {
  color: var(--color-brand-primary);
}

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

.text-accent {
  color: var(--color-brand-accent);
}

.bg-primary {
  background-color: var(--color-brand-primary);
}

.bg-secondary {
  background-color: var(--color-brand-secondary);
}

.highlight {
  background-color: var(--color-brand-primary);
  color: var(--color-brand-secondary);
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  font-weight: var(--font-weight-bold);
}

/* Responsive Design */
@media (max-width: 768px) {
  html {
    font-size: 14px;
  }

  header .container {
    flex-direction: column;
    gap: 1rem;
  }

  nav ul {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: var(--font-size-lg);
  }

  h2 {
    font-size: calc(var(--font-size-base) * 1.5);
  }
}