/* ============================================
   Editorial Blog Theme
   Based on newDesign.json specifications
   ============================================ */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;900&display=swap');

/* ============================================
   CSS Variables - Design System
   ============================================ */
:root {
  /* Colors (from newDesign.json) */
  --color-background: #FFFFFF;
  --color-surface: #FFFFFF;
  --color-text: #111111;
  --color-muted-text: #666666;
  --color-link: #0A66C2;
  --color-link-hover: #084B8A;
  --color-rule: #EDEDED;
  --color-meta: #999999;
  --color-border: #F5F5F5;

  /* Typography */
  --font-heading: Georgia, 'Times New Roman', Times, serif;
  --font-body: Georgia, 'Times New Roman', Times, serif;
  --font-meta: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;

  /* Spacing */
  --container-max-width: 840px;
  --container-gutter: 24px;
  --paragraph-spacing: 18px;
  --heading-spacing: 28px;
  --section-spacing: 44px;

  /* Typography Scale */
  --font-size-body: 18px;
  --font-size-h1: 36px;
  --font-size-h2: 28px;
  --font-size-h3: 22px;
  --font-size-meta: 12px;

  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-body: 1.8;
  --line-height-heading: 1.3;

  /* Effects */
  --transition: 0.2s ease;
}

/* ============================================
   Global Styles
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Accessibility: focus outlines */
:focus-visible {
  outline: 2px solid var(--color-link);
  outline-offset: 2px;
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  color: var(--color-text);
  background-color: var(--color-background);
  font-weight: 400;
}

main {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-gutter);
  padding-top: 2rem;
  padding-bottom: 2rem;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-text);
  line-height: var(--line-height-tight);
  margin-bottom: 1rem;
}

h1 {
  font-size: var(--font-size-h1);
  letter-spacing: 0;
  margin-bottom: 16px;
}

h2 {
  font-size: var(--font-size-h2);
  line-height: var(--line-height-heading);
  margin-top: 36px;
  margin-bottom: 8px;
}

h3 {
  font-size: var(--font-size-h3);
  margin-top: var(--heading-spacing);
  margin-bottom: 0.75rem;
}

h4 {
  font-size: calc(var(--font-size-body) * 1.1);
  margin-top: 1.5rem;
}

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

a {
  color: var(--color-link);
  text-decoration: none;
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}

a:hover {
  color: var(--color-link-hover);
  border-bottom-color: var(--color-link-hover);
}

/* ============================================
   Header & Navigation
   ============================================ */
header {
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  position: static;
}

nav {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 20px var(--container-gutter);
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

nav a:first-child {
  font-family: var(--font-meta);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-right: auto;
  border: none;
}

nav a:first-child:hover {
  color: var(--color-text);
}

/* Brand/logo */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
}

.site-logo {
  display: inline-block;
  height: 90px;
  width: auto;
}

.site-logo--footer {
  height: 90px;
}

.menu-toggle {
  display: none;
  margin-left: auto;
  font-size: 1.1rem;
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  padding: 0.35rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

nav a {
  color: var(--color-text);
  font-family: var(--font-meta);
  font-weight: 400;
  font-size: 14px;
  transition: var(--transition);
  border: none;
}

nav a:hover {
  color: var(--color-muted-text);
  border: none;
}

/* ============================================
   Article Layout
   ============================================ */
article {
  background-color: var(--color-background);
  border: none;
  padding: 0;
  margin-bottom: var(--section-spacing);
}

article header {
  background: transparent;
  border: none;
  padding: 0;
  margin-bottom: var(--heading-spacing);
  position: static;
}

article header h1 {
  max-width: var(--container-max-width);
  margin-top: 16px;
  margin-bottom: 12px;
}

/* Hero image */
.hero-image {
  margin: var(--heading-spacing) 0;
}
.hero-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0;
}
.hero-image figcaption {
  font-family: var(--font-meta);
  font-size: 12px;
  color: var(--color-muted-text);
  margin-top: 6px;
}
.hero-image figcaption a { color: var(--color-muted-text); border: none; }
.hero-image figcaption a:hover { color: var(--color-text); }

/* Meta information (date, author, etc.) */
.meta {
  font-family: var(--font-meta);
  font-size: var(--font-size-meta);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-meta);
  margin-bottom: 1rem;
}

.meta a {
  color: var(--color-meta);
  border: none;
}

.meta a:hover {
  color: var(--color-text);
}

/* Description/subtitle */
.description {
  font-family: var(--font-meta);
  font-size: var(--font-size-body);
  font-weight: 400;
  line-height: 1.7;
  color: #444444;
  font-style: normal;
  padding: 0;
  background: transparent;
  border: none;
  margin-bottom: var(--heading-spacing);
}

/* ============================================
   Content Styles
   ============================================ */
.content {
  max-width: var(--container-max-width);
  margin-bottom: var(--section-spacing);
}

/* Drop Cap - First letter of first paragraph */
.content > p:first-of-type::first-letter {
  float: left;
  font-family: var(--font-heading);
  font-size: 4.5em;
  line-height: 0.85;
  margin: 0 8px 0 0;
  font-weight: 700;
  color: var(--color-text);
}

.content p {
  max-width: var(--container-max-width);
  margin-bottom: var(--paragraph-spacing);
  line-height: var(--line-height-body);
}

.content img {
  max-width: 100%;
  height: auto;
  border-radius: 0;
  border: none;
  margin: var(--heading-spacing) 0;
  display: block;
}

/* Inline gallery */
.image-gallery {
  margin-top: var(--section-spacing);
}
.image-gallery h2 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}
.image-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.image-grid figure { margin: 0; }
.image-grid figcaption {
  font-family: var(--font-meta);
  font-size: 12px;
  color: var(--color-muted-text);
  margin-top: 6px;
}

@media (max-width: 768px) {
  .image-grid { grid-template-columns: 1fr; }
}

.content ul,
.content ol {
  margin: var(--paragraph-spacing) 0;
  padding-left: 24px;
}

.content li {
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.content blockquote {
  font-family: var(--font-heading);
  font-style: italic;
  color: #333333;
  border-left: 3px solid var(--color-rule);
  padding-left: 16px;
  margin: var(--heading-spacing) 0;
  background: transparent;
  padding: 16px;
  border-radius: 0;
}

.content hr {
  border: none;
  border-top: 1px solid var(--color-rule);
  margin: var(--heading-spacing) 0;
}

/* Code styles */
.content code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
  font-size: 14px;
  background: #FAFAFA;
  color: var(--color-text);
  padding: 0.2em 0.4em;
  border-radius: 3px;
  border: 1px solid #F0F0F0;
}

.content pre {
  background: #FAFAFA;
  border: 1px solid #F0F0F0;
  border-radius: 6px;
  padding: 14px;
  overflow-x: auto;
  margin: var(--heading-spacing) 0;
}

.content pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: var(--color-text);
  font-size: 14px;
}

.content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--heading-spacing) 0;
  background-color: var(--color-background);
}

.content table th,
.content table td {
  border: 1px solid var(--color-rule);
  padding: 12px;
  text-align: left;
}

.content table th {
  background-color: #FAFAFA;
  color: var(--color-text);
  font-weight: 600;
  font-family: var(--font-meta);
  font-size: 14px;
}

/* Figure captions */
.content figure {
  margin: var(--heading-spacing) 0;
  max-width: var(--container-max-width);
}

.content figcaption {
  font-family: var(--font-meta);
  font-size: 13px;
  color: #777777;
  margin-top: 8px;
  font-style: italic;
}

/* ============================================
   Featured Image
   ============================================ */
.featured-image {
  margin: var(--heading-spacing) 0;
}

.featured-image img {
  width: 100%;
  height: auto;
  border-radius: 0;
  border: none;
}

/* ============================================
   TL;DR Box
   ============================================ */
.tldr {
  background-color: #FAFAFA;
  border: 1px solid var(--color-rule);
  border-radius: 0;
  padding: var(--container-gutter);
  margin-bottom: var(--heading-spacing);
}

.tldr h2 {
  margin-top: 0;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

/* ============================================
   Table of Contents
   ============================================ */
.toc {
  background-color: #FAFAFA;
  border: 1px solid var(--color-rule);
  border-radius: 0;
  padding: var(--container-gutter);
  margin-bottom: var(--section-spacing);
}

.toc h2 {
  margin-top: 0;
  font-size: 0.9rem;
  color: var(--color-muted-text);
  text-transform: uppercase;
  font-family: var(--font-meta);
  letter-spacing: 0.05em;
}

.toc { font-size: 0.95rem; }
.toc ul {
  padding-left: 1.25rem;
  list-style: disc;
}

.toc ul ul { list-style: circle; }
.toc ul ul ul { list-style: square; }


.toc li { margin-bottom: 0.25rem; }

.toc a {
  color: var(--color-text);
  border: none;
  font-size: 0.95rem;
  line-height: 1.6;
}

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

/* Normalize Hugo's inner TableOfContents wrapper */
.toc #TableOfContents {
  margin: 0;
  padding: 0;
}
.toc #TableOfContents > ul {
  margin: 0;
  padding-left: 1.25rem;
  list-style: disc;
}
.toc #TableOfContents a {
  color: var(--color-text);
  border: none;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ============================================
   FAQ Section
   ============================================ */
.faq {
  background-color: #FAFAFA;
  border: 1px solid var(--color-rule);
  border-radius: 0;
  padding: var(--container-gutter);
  margin-top: var(--section-spacing);
}

.faq h2 {
  color: var(--color-text);
  border-bottom: 1px solid var(--color-rule);
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
}

.faq-item {
  margin-bottom: 1.5rem;
}

.faq-item h3 {
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  margin-top: 0;
}

.faq-item h3::before {
  content: 'Q: ';
  color: var(--color-meta);
}

.faq-item p {
  color: var(--color-text);
  padding-left: 1rem;
}

.faq-item p::before {
  content: 'A: ';
  color: var(--color-muted-text);
  font-weight: 600;
}

/* ============================================
   Sources Section
   ============================================ */
.sources {
  background-color: #FAFAFA;
  border: 1px solid var(--color-rule);
  border-radius: 0;
  padding: var(--container-gutter);
  margin-top: var(--section-spacing);
}

.sources h2 {
  font-size: 1.2rem;
  margin-top: 0;
  margin-bottom: 1rem;
}

.sources ul {
  list-style: none;
  padding: 0;
}

.sources li {
  margin-bottom: 0.75rem;
  padding-left: 1.5rem;
  position: relative;
}

.sources li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-link);
}

/* ============================================
   Tags
   ============================================ */
.tags {
  margin-top: var(--section-spacing);
  padding-top: 1rem;
  border-top: 1px solid var(--color-rule);
  font-size: 0.9rem;
  color: var(--color-meta);
}

.tags a {
  display: inline-block;
  background-color: transparent;
  color: var(--color-muted-text);
  padding: 0.3em 0.8em;
  border-radius: 3px;
  border: 1px solid var(--color-rule);
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
  transition: var(--transition);
  font-family: var(--font-meta);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tags a:hover {
  background-color: #FAFAFA;
  color: var(--color-text);
  border-color: var(--color-text);
}

/* ============================================
   Breadcrumbs
   ============================================ */
.breadcrumbs {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0.5rem var(--container-gutter);
  font-size: var(--font-size-meta);
  font-family: var(--font-meta);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-meta);
  display: flex;
  align-items: center;
}

.breadcrumbs a {
  color: var(--color-meta);
  border: none;
}

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

.breadcrumbs span {
  margin: 0 0.5rem;
}

/* ============================================
   Author Bio
   ============================================ */
.author-bio {
  background-color: #FAFAFA;
  border: 1px solid var(--color-rule);
  border-radius: 0;
  padding: var(--container-gutter);
  margin-top: var(--section-spacing);
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  align-items: start;
}

.author-bio h3 {
  margin-top: 0;
  font-size: 1.2rem;
}

.author-bio__media {
  margin: 0;
}

.author-bio__media img {
  display: block;
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 50%;
}

/* ============================================
   CTA
   ============================================ */
.cta-box {
  background-color: #FAFAFA;
  border: 1px solid var(--color-rule);
  border-radius: 0;
  padding: var(--container-gutter);
  margin-top: var(--heading-spacing);
  text-align: center;
}

.cta-box__inner h3 {
  margin-top: 0;
  font-size: 1.3rem;
}

.btn-primary {
  display: inline-block;
  background: var(--color-text);
  color: #fff;
  padding: 0.55rem 1rem;
  border-radius: 4px;
  border: 1px solid var(--color-text);
  font-family: var(--font-meta);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn-primary:hover {
  background: var(--color-link);
  border-color: var(--color-link);
}

/* ============================================
   Footer
   ============================================ */
footer {
  background-color: var(--color-background);
  border-top: 1px solid var(--color-border);
  padding: var(--container-gutter);
  margin-top: var(--section-spacing);
  text-align: center;
  color: var(--color-muted-text);
  font-size: 14px;
  font-family: var(--font-meta);
}

footer a {
  color: var(--color-text);
  border: none;
}

footer a:hover {
  color: var(--color-link);
}

/* ============================================
   Post Summaries (for list pages)
   ============================================ */
.home-hero {
  background: #FAFAFA;
  border: 1px solid var(--color-rule);
  padding: calc(var(--container-gutter) * 1.5);
  margin-bottom: var(--section-spacing);
  border-radius: 0;
}

.home-hero h1 {
  margin-top: 0;
}

.home-hero .description {
  margin-top: 0.5rem;
  margin-bottom: 1rem;
}

.home-hero__nav a {
  display: inline-block;
  margin-right: 0.75rem;
  font-family: var(--font-meta);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted-text);
  border: 1px solid var(--color-rule);
  padding: 0.3em 0.7em;
}

.home-hero__nav a:hover {
  color: var(--color-text);
  border-color: var(--color-text);
}

.post-summary {
  margin-bottom: var(--section-spacing);
  padding-bottom: var(--heading-spacing);
  border-bottom: 1px solid var(--color-rule);
}

.post-summary:last-child {
  border-bottom: none;
}

.post-summary h2 {
  font-size: var(--font-size-h2);
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.post-summary h2 a {
  color: var(--color-text);
  border: none;
}

.post-summary h2 a:hover {
  color: var(--color-link);
}

.post-summary .meta {
  margin-bottom: 0.75rem;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
  :root {
    --font-size-h1: 28px;
    --font-size-h2: 22px;
    --font-size-h3: 18px;
    --font-size-body: 16px;
    --container-gutter: 20px;
  }

  .menu-toggle {
    display: inline-block;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0;
    margin-top: 1rem;
    background: #FAFAFA;
    border: 1px solid var(--color-rule);
    border-radius: 4px;
    padding: 0.5rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    display: block;
    width: 100%;
    padding: 0.6rem 0.8rem;
    border-radius: 3px;
  }

  .nav-links a:hover {
    background: var(--color-background);
  }

  nav a:first-child {
    margin-right: 0;
  }

  nav {
    flex-wrap: wrap;
  }

  /* Adjust drop cap for mobile */
  .content > p:first-of-type::first-letter {
    font-size: 3.5em;
    margin-right: 6px;
  }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
  body {
    background: white;
    color: black;
  }

  header, footer, nav, .menu-toggle {
    display: none;
  }

  article {
    border: none;
    background: white;
  }

  a {
    color: black;
    text-decoration: underline;
  }

  .content > p:first-of-type::first-letter {
    font-size: 3em;
  }
}