/* Main stylesheet for mariushartmann.dk - Mobile First Design */

/* CSS Custom Properties (Design Tokens) */
:root {
  --text-color: #000;
  --text-secondary: #666;
  --background-color: #fff;
  --border-color: #ddd;
  --link-color: #0066cc;
  --link-hover: #004499;
  --accent-color: #000;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --max-width: 800px;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

/* Typography & Base Styles - Mobile First */
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
  padding: var(--spacing-sm);
}

/* Larger screens */
@media (min-width: 768px) {
  body {
    padding: var(--spacing-md);
    font-size: 18px;
  }
}

/* Skip to content link (accessibility) */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent-color);
  color: var(--background-color);
  padding: var(--spacing-xs) var(--spacing-sm);
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* Layout Container - Mobile First */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Header/Title Section */
.site-header {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--border-color);
}

.site-title {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

@media (min-width: 768px) {
  .site-title {
    font-size: 2.5rem;
  }
}

.site-description {
  color: var(--text-secondary);
  font-size: 1rem;
}

@media (min-width: 768px) {
  .site-description {
    font-size: 1.125rem;
  }
}

/* Article Section */
.article-item {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.article-item:last-child {
  border-bottom: none;
}

.article-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  line-height: 1.3;
}

@media (min-width: 768px) {
  .article-title {
    font-size: 1.5rem;
  }
}

.article-excerpt {
  color: var(--text-color);
  margin-bottom: var(--spacing-sm);
  line-height: 1.7;
  text-align: justify;
  hyphens: auto;
}

.article-link {
  display: inline-block;
  margin-top: var(--spacing-xs);
}

/* Image/Figure */
.article-image {
  margin: var(--spacing-lg) 0;
}

.article-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* About Section */
.about-section {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 2px solid var(--border-color);
}

.about-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

@media (min-width: 768px) {
  .about-title {
    font-size: 1.5rem;
  }
}

/* Links */
a {
  color: var(--link-color);
  text-decoration: none;
}

a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

/* Focus indicators for accessibility */
a:focus,
button:focus {
  outline: 2px solid var(--link-color);
  outline-offset: 2px;
}

/* Utility Classes */
.byline {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-sm);
}

@media (min-width: 768px) {
  .byline {
    font-size: 1rem;
  }
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Footer */
.site-footer {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Dark Mode Support (maintains light preference but for those who need it) */
@media (prefers-color-scheme: dark) {
  :root {
    --text-color: #e0e0e0;
    --text-secondary: #999;
    --background-color: #1a1a1a;
    --border-color: #333;
    --link-color: #6699ff;
    --link-hover: #99bbff;
    --accent-color: #fff;
  }
}