/**
 * Article Styles - Milky Well Days
 * A clean, readable, and SEO-optimized article design
 */

/* ========================================
   CSS Custom Properties (Design Tokens)
   ======================================== */
:root {
  /* Colors */
  --color-bg: #faf9f7;
  --color-bg-alt: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #666666;
  --color-text-light: #888888;
  --color-border: #e8e5e1;
  --color-border-light: #f0ede9;
  
  /* Brand colors */
  --color-primary: #c9544d;
  --color-primary-hover: #b04840;
  --color-primary-light: #fdf2f1;
  --color-accent: #4a7c59;
  
  /* Category colors (overridable via inline styles) */
  --category-color: var(--color-primary);
  
  /* Typography */
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'DM Serif Display', Georgia, 'Times New Roman', serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Layout */
  --container-max: 1200px;
  --content-max: 720px;
  --header-height: 72px;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

/* ========================================
   Reset & Base
   ======================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-hover);
}

/* ========================================
   Layout
   ======================================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.article-content .container {
  max-width: var(--content-max);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  background: var(--color-primary);
  color: white;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  z-index: 1000;
}

.skip-link:focus {
  top: var(--space-md);
}

/* ========================================
   Reading Progress Bar
   ======================================== */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-border-light);
  z-index: 1001;
}

.reading-progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width 100ms linear;
}

/* ========================================
   Site Header
   ======================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--color-text);
}

.logo:hover {
  color: var(--color-primary);
}

.logo img {
  border-radius: var(--radius-sm);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-link {
  color: var(--color-text-muted);
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-text);
  background: var(--color-border-light);
}

.nav-cta {
  background: var(--color-primary);
  color: white !important;
  font-weight: 600;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
}

.nav-cta:hover {
  background: var(--color-primary-hover);
  color: white !important;
}

/* Mobile menu */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-sm);
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition-fast);
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }
  
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-lg);
    gap: var(--space-sm);
    display: none;
  }
  
  .nav-links.is-open {
    display: flex;
  }
  
  .nav-link, .nav-cta {
    width: 100%;
    text-align: center;
  }
}

/* ========================================
   Breadcrumbs
   ======================================== */
.breadcrumbs {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border-light);
  padding: var(--space-sm) 0;
}

.breadcrumbs ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.breadcrumbs li {
  display: flex;
  align-items: center;
}

.breadcrumbs li:not(:last-child)::after {
  content: '/';
  margin-left: var(--space-xs);
  color: var(--color-text-light);
}

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

.breadcrumbs a:hover {
  color: var(--color-primary);
}

.breadcrumbs li:last-child span {
  color: var(--color-text);
  font-weight: 500;
}

/* ========================================
   Article Header
   ======================================== */
.article-header {
  padding: var(--space-3xl) 0 var(--space-2xl);
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.article-header .container {
  max-width: var(--content-max);
}

.category-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background: var(--category-color);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
}

.category-badge:hover {
  opacity: 0.9;
  color: white;
}

.category-icon {
  font-size: 0.875rem;
}

.article-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  line-height: 1.2;
  margin: 0 0 var(--space-lg);
  color: var(--color-text);
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

.separator {
  color: var(--color-text-light);
}

.article-intro {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin: 0;
}

/* ========================================
   Featured Snippet
   ======================================== */
.featured-snippet {
  padding: var(--space-xl) 0;
}

.featured-snippet .container {
  max-width: var(--content-max);
}

.snippet-box {
  background: var(--color-primary-light);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
}

.snippet-question {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  margin: 0 0 var(--space-md);
  color: var(--color-primary);
}

.snippet-answer {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text);
}

.snippet-answer p:last-child {
  margin-bottom: 0;
}

/* ========================================
   Table of Contents
   ======================================== */
.toc-wrapper {
  padding: var(--space-lg) 0;
}

.toc-wrapper .container {
  max-width: var(--content-max);
}

.toc {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.toc summary {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  cursor: pointer;
  user-select: none;
}

.toc summary::-webkit-details-marker {
  display: none;
}

.toc-icon {
  font-size: 1.25rem;
}

.toc-list {
  margin: var(--space-md) 0 0;
  padding-left: var(--space-lg);
}

.toc-list li {
  margin: var(--space-sm) 0;
}

.toc-list a {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.toc-list a:hover,
.toc-list a.is-active {
  color: var(--color-primary);
}

.toc-list ol {
  margin: var(--space-xs) 0 0;
  padding-left: var(--space-lg);
  font-size: 0.875rem;
}

/* ========================================
   Article Content
   ======================================== */
.article-content {
  padding: var(--space-xl) 0 var(--space-3xl);
}

.article-content h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 400;
  margin: var(--space-3xl) 0 var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  color: var(--color-text);
}

.article-content h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.article-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: var(--space-xl) 0 var(--space-md);
  color: var(--color-text);
}

.article-content h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: var(--space-lg) 0 var(--space-sm);
  color: var(--color-text);
}

.article-content p {
  margin: 0 0 var(--space-lg);
}

.article-content ul,
.article-content ol {
  margin: 0 0 var(--space-lg);
  padding-left: var(--space-xl);
}

.article-content li {
  margin-bottom: var(--space-sm);
}

.article-content li::marker {
  color: var(--color-primary);
}

.article-content blockquote {
  margin: var(--space-xl) 0;
  padding: var(--space-lg) var(--space-xl);
  background: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--color-text);
}

.article-content blockquote p:last-child {
  margin-bottom: 0;
}

.article-content strong {
  font-weight: 600;
  color: var(--color-text);
}

.article-content a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-content code {
  font-family: 'SF Mono', Monaco, 'Courier New', monospace;
  font-size: 0.875em;
  background: var(--color-border-light);
  padding: 0.1em 0.4em;
  border-radius: var(--radius-sm);
}

.article-content pre {
  background: var(--color-text);
  color: var(--color-bg);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: var(--space-lg) 0;
}

.article-content pre code {
  background: none;
  padding: 0;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-lg) 0;
}

.article-content th,
.article-content td {
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  text-align: left;
}

.article-content th {
  background: var(--color-border-light);
  font-weight: 600;
}

/* Highlight box */
.highlight-box {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, #fff 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin: var(--space-xl) 0;
}

.highlight-box h3 {
  margin-top: 0;
}

/* Tips list */
.tips-list {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin: var(--space-xl) 0;
}

.tips-list h3 {
  margin-top: 0;
  color: var(--color-accent);
}

.tips-list ul {
  margin-bottom: 0;
}

/* ========================================
   Key Takeaways
   ======================================== */
.key-takeaways {
  background: var(--color-accent);
  color: white;
  padding: var(--space-2xl) 0;
}

.key-takeaways .container {
  max-width: var(--content-max);
}

.key-takeaways h2 {
  margin: 0 0 var(--space-lg);
  font-size: 1.5rem;
}

.takeaways-list {
  margin: 0;
  padding-left: var(--space-xl);
}

.takeaways-list li {
  margin-bottom: var(--space-md);
  font-size: 1.0625rem;
}

.takeaways-list li::marker {
  color: rgba(255, 255, 255, 0.6);
}

/* ========================================
   FAQ Section
   ======================================== */
.faq-section {
  padding: var(--space-3xl) 0;
  background: var(--color-bg-alt);
}

.faq-section .container {
  max-width: var(--content-max);
}

.faq-section h2 {
  text-align: center;
  margin: 0 0 var(--space-xl);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.faq-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-item summary {
  padding: var(--space-lg);
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--color-primary);
  transition: transform var(--transition-fast);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-text-muted);
}

/* ========================================
   Related Posts
   ======================================== */
.related-posts {
  padding: var(--space-3xl) 0;
}

.related-posts h2 {
  text-align: center;
  margin: 0 0 var(--space-xl);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.related-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.related-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.related-card a {
  display: block;
  padding: var(--space-lg);
  color: inherit;
}

.related-category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--category-color);
  margin-bottom: var(--space-sm);
}

.related-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}

.related-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ========================================
   Internal Links
   ======================================== */
.internal-links {
  padding: var(--space-3xl) 0;
  background: var(--color-bg-alt);
}

.internal-links h2 {
  text-align: center;
  margin: 0 0 var(--space-xl);
}

.link-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
}

.link-group h3 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-md);
}

.link-group ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.link-group li {
  margin-bottom: var(--space-sm);
}

.link-group a {
  color: var(--color-text);
  font-size: 0.9375rem;
}

.link-group a:hover {
  color: var(--color-primary);
}

/* ========================================
   Social Share
   ======================================== */
.social-share {
  padding: var(--space-2xl) 0;
  text-align: center;
}

.social-share .container {
  max-width: var(--content-max);
}

.social-share h2 {
  font-size: 1.25rem;
  margin: 0 0 var(--space-lg);
}

.share-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-bg-alt);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.share-btn:hover {
  border-color: currentColor;
}

.share-twitter:hover {
  color: #1da1f2;
  background: rgba(29, 161, 242, 0.1);
}

.share-facebook:hover {
  color: #1877f2;
  background: rgba(24, 119, 242, 0.1);
}

.share-pinterest:hover {
  color: #bd081c;
  background: rgba(189, 8, 28, 0.1);
}

.share-copy:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
  padding: var(--space-3xl) 0;
}

.cta-card {
  max-width: var(--content-max);
  margin: 0 auto;
  background: linear-gradient(135deg, var(--color-primary) 0%, #d46b65 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  color: white;
  text-align: center;
}

.cta-content h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 400;
  margin: 0 0 var(--space-md);
}

.cta-content p {
  opacity: 0.9;
  margin: 0 0 var(--space-xl);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta-button {
  display: inline-block;
  transition: transform var(--transition-fast);
}

.cta-button:hover {
  transform: scale(1.05);
}

.cta-features {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.feature {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  opacity: 0.9;
}

.feature-icon {
  font-size: 1.25rem;
}

/* ========================================
   Site Footer
   ======================================== */
.site-footer {
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  font-size: 1.125rem;
  color: white;
  margin-bottom: var(--space-md);
}

.footer-logo:hover {
  color: white;
  opacity: 0.9;
}

.footer-logo img {
  border-radius: var(--radius-sm);
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 0;
  max-width: 280px;
}

.footer-links-group h3 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.5);
  margin: 0 0 var(--space-md);
}

.footer-links-group ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links-group li {
  margin-bottom: var(--space-sm);
}

.footer-links-group a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
}

.footer-links-group a:hover {
  color: white;
}

.footer-bottom {
  padding-top: var(--space-xl);
  text-align: center;
  font-size: 0.8125rem;
}

.footer-bottom p {
  margin: 0 0 var(--space-sm);
}

.disclaimer {
  opacity: 0.6;
  font-size: 0.75rem;
}

/* ========================================
   Responsive Utilities
   ======================================== */
@media (max-width: 640px) {
  .article-header {
    padding: var(--space-2xl) 0 var(--space-xl);
  }
  
  .article-title {
    font-size: 1.75rem;
  }
  
  .article-content h2 {
    font-size: 1.5rem;
  }
  
  .cta-card {
    padding: var(--space-xl);
  }
  
  .cta-content h2 {
    font-size: 1.5rem;
  }
}