/* ===================================
   Elegant Academic Design
   Classic typography with generous whitespace
   =================================== */

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

:root {
  /* Colors - Clean black and white with cool pastel accents */
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-text-light: #666666;
  --color-text-lighter: #999999;
  --color-accent: #6B9BD1;
  --color-accent-hover: #5A8AC4;
  --color-border: #e0e0e0;
  --color-border-light: #f5f5f5;
  --color-highlight: #A8D8EA;
  --color-highlight-hover: #89C4DB;
  --color-success: #B4E7CE;
  --color-pink: #F5C6D5;
  --color-purple: #D4C5F9;
  --color-green: #C8E6C9;

  /* Typography - Clean sans-serif */
  --font-serif: 'Georgia', 'Times New Roman', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;

  /* Spacing */
  --space-unit: 1rem;
  --space-xs: calc(var(--space-unit) * 0.5);
  --space-sm: var(--space-unit);
  --space-md: calc(var(--space-unit) * 1.5);
  --space-lg: calc(var(--space-unit) * 2);
  --space-xl: calc(var(--space-unit) * 3);
  --space-2xl: calc(var(--space-unit) * 4);

  /* Layout - Responsive max-widths (optimized for readability) */
  --max-width: 680px;
  --max-width-wide: 960px;
  --content-padding: clamp(1.5rem, 6vw, 3rem);
}

/* Dark mode - system preference */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #000000;
    --color-text: #ffffff;
    --color-text-light: #b0b0b0;
    --color-text-lighter: #808080;
    --color-accent: #A8D8EA;
    --color-accent-hover: #C5E8F5;
    --color-border: #333333;
    --color-border-light: #1a1a1a;
    --color-highlight: #6B9BD1;
    --color-highlight-hover: #89C4DB;
  }
}

/* Dark mode - manual toggle */
[data-theme="dark"] {
  --color-bg: #000000;
  --color-text: #ffffff;
  --color-text-light: #b0b0b0;
  --color-text-lighter: #808080;
  --color-accent: #A8D8EA;
  --color-accent-hover: #C5E8F5;
  --color-border: #333333;
  --color-border-light: #1a1a1a;
  --color-highlight: #6B9BD1;
  --color-highlight-hover: #89C4DB;
}

/* ===================================
   Typography - Classic and Refined
   =================================== */

html {
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-bg);
  font-weight: 400;
  letter-spacing: -0.01em;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.03em;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
  font-weight: 700;
  letter-spacing: -0.04em;
}

h2 {
  font-size: 1.5rem;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.25rem;
  margin-top: var(--space-md);
  margin-bottom: var(--space-sm);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h4 {
  font-size: 1.25rem;
  margin-top: var(--space-md);
  margin-bottom: var(--space-sm);
}

p {
  margin-bottom: var(--space-md);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

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

a:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* ===================================
   Layout - Generous Whitespace
   =================================== */

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

.container-wide {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--content-padding);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-accent);
  color: white;
  padding: var(--space-xs) var(--space-sm);
  text-decoration: none;
  z-index: 100;
  font-family: var(--font-sans);
  font-size: 0.875rem;
}

.skip-link:focus {
  top: 0;
  outline: none;
}

/* ===================================
   Header - Minimal and Clean
   =================================== */

.site-header {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
  margin-bottom: var(--space-md);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header nav {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-lg);
}

.site-logo {
  font-family: var(--font-sans);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  border: none;
  letter-spacing: -0.03em;
  white-space: nowrap;
  line-height: 1.1;
  padding-bottom: 0.125rem;
}

.site-logo:hover {
  color: var(--color-text);
  border: none;
}

.nav-right {
  display: flex;
  align-items: flex-end;
  gap: var(--space-md);
  flex: 1;
  justify-content: flex-end;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-md);
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  align-items: flex-end;
}

.nav-menu li {
  display: flex;
  align-items: flex-end;
}

.nav-menu a {
  color: var(--color-text-light);
  font-size: 0.9375rem;
  text-decoration: none;
  border: none;
  transition: color 0.2s ease;
  letter-spacing: 0;
  font-weight: 500;
  white-space: nowrap;
  line-height: 1.1;
  padding-bottom: 0.125rem;
}

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

.nav-menu a[aria-current="page"] {
  color: var(--color-text);
  font-weight: 600;
  position: relative;
}

.nav-menu a[aria-current="page"]::after {
  content: '';
  position: absolute;
  bottom: -0.25rem;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 1px;
}

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--color-text);
  font-size: 1.5rem;
  line-height: 1;
}

.mobile-menu-toggle:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Theme Toggle */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  width: 48px;
  height: 28px;
  padding: 2px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  font-family: var(--font-sans);
  flex-shrink: 0;
  margin-bottom: 0.125rem;
  align-self: flex-end;
}

.theme-toggle:hover {
  border-color: var(--color-highlight);
}

.theme-toggle-icon {
  display: block;
  width: 22px;
  height: 22px;
  background-color: var(--color-text);
  border-radius: 50%;
  transition: transform 0.3s ease, background-color 0.3s ease;
  position: relative;
}

.theme-toggle-icon::before {
  content: '☀';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 14px;
  color: var(--color-bg);
}

[data-theme="dark"] .theme-toggle-icon {
  transform: translateX(20px);
}

[data-theme="dark"] .theme-toggle-icon::before {
  content: '☾';
}

/* ===================================
   Footer - Understated
   =================================== */

.site-footer {
  margin-top: var(--space-2xl);
  padding: var(--space-xl) 0 var(--space-lg);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

@media (min-width: 640px) {
  .footer-content {
    grid-template-columns: 2fr 1fr 2fr;
    gap: var(--space-xl);
    align-items: start;
  }
}

.footer-section h3 {
  font-size: 0.875rem;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
  margin-top: 0;
  color: var(--color-text-lighter);
  font-weight: 600;
}

.footer-section ul {
  list-style: none;
  padding-left: 0;
}

.footer-section li {
  margin-bottom: var(--space-xs);
}

.footer-section a {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-text-light);
  transition: color 0.2s ease;
}

.footer-section a:hover {
  color: var(--color-accent);
}

.footer-section p {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin: 0;
}

.footer-bottom {
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
  text-align: center;
  color: var(--color-text-lighter);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
}

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

/* ===================================
   Main Content
   =================================== */

main {
  min-height: 70vh;
  padding-bottom: var(--space-2xl);
}

/* ===================================
   Homepage - Hero Section
   =================================== */

.hero {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border-light);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  align-items: start;
}

@media (min-width: 768px) {
  .hero-content {
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-lg);
  }
}

.hero-text h1 {
  margin-bottom: var(--space-sm);
  font-size: 2.25rem;
  font-weight: 700;
}

.hero-bio {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
  font-weight: 400;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-family: var(--font-sans);
}

.hero-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 0.375rem 0.75rem;
  border: 1.5px solid var(--color-border);
  border-radius: 20px;
  transition: all 0.2s ease;
  background-color: var(--color-bg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  cursor: pointer;
}

.hero-link:hover {
  border-color: var(--color-accent);
  background-color: var(--color-accent);
  color: white;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  transform: translateY(-1px);
}

.hero-link:nth-child(1):hover {
  border-color: var(--color-accent);
  background-color: var(--color-accent);
}

.hero-link:nth-child(2):hover {
  border-color: var(--color-purple);
  background-color: var(--color-purple);
}

.hero-link:nth-child(3):hover {
  border-color: var(--color-pink);
  background-color: var(--color-pink);
}

.hero-link:nth-child(4):hover {
  border-color: var(--color-green);
  background-color: var(--color-green);
}

.hero-link:nth-child(5):hover {
  border-color: var(--color-highlight);
  background-color: var(--color-highlight);
}

.hero-link svg {
  flex-shrink: 0;
}

.hero-image {
  text-align: center;
}

.headshot {
  width: 100%;
  max-width: 180px;
  border-radius: 50%;
  box-shadow: none;
  margin: 0 auto var(--space-md);
}

/* ===================================
   Sections
   =================================== */

.section {
  margin-bottom: var(--space-xl);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-header h2 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
}

.view-all {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ===================================
   Featured Posts Carousel
   =================================== */

.featured-carousel {
  position: relative;
  overflow: hidden;
  margin-bottom: var(--space-sm);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.carousel-container {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.carousel-slide {
  min-width: 100%;
  flex-shrink: 0;
}

.featured-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border: none;
}

.featured-image {
  width: 100%;
  aspect-ratio: 3 / 1;
  object-fit: cover;
  border-radius: 3px;
  margin-bottom: 0.375rem;
  background-color: var(--color-border-light);
}

.featured-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
  color: var(--color-text);
  line-height: 1.3;
}

.featured-card:hover h3 {
  color: var(--color-accent);
}

.featured-excerpt {
  color: var(--color-text-light);
  font-size: 0.8125rem;
  line-height: 1.4;
  margin: 0;
}

.carousel-controls {
  display: flex;
  justify-content: center;
  gap: 0.375rem;
  margin-top: 0.625rem;
}

.carousel-btn {
  background-color: transparent;
  border: 1px solid var(--color-border);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.875rem;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.25rem;
  margin-top: 0.5rem;
}

.carousel-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-border);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0;
}

.carousel-dot.active {
  background-color: var(--color-accent);
  width: 16px;
  border-radius: 3px;
}

.carousel-dot:nth-child(1).active {
  background-color: var(--color-accent);
}

.carousel-dot:nth-child(2).active {
  background-color: var(--color-purple);
}

.carousel-dot:nth-child(3).active {
  background-color: var(--color-pink);
}

.carousel-dot:nth-child(4).active {
  background-color: var(--color-green);
}

/* ===================================
   Blog Posts
   =================================== */

.post-card {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border-light);
}

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

.post-card h3 {
  margin-top: 0;
  margin-bottom: var(--space-xs);
  font-size: 1.5rem;
  font-weight: 500;
}

.post-card h3 a {
  color: var(--color-text);
  border: none;
}

.post-card h3 a:hover {
  color: var(--color-accent);
}

.post-card:nth-child(4n+1) h3 a:hover {
  color: var(--color-accent);
}

.post-card:nth-child(4n+2) h3 a:hover {
  color: var(--color-purple);
}

.post-card:nth-child(4n+3) h3 a:hover {
  color: var(--color-pink);
}

.post-card:nth-child(4n+4) h3 a:hover {
  color: var(--color-green);
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--color-text-lighter);
  margin-bottom: var(--space-md);
  letter-spacing: 0.01em;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.tag {
  font-family: var(--font-sans);
  background-color: transparent;
  padding: 0;
  border-radius: 0;
  font-size: 0.875rem;
  color: var(--color-text-lighter);
  text-decoration: none;
  border: none;
  transition: color 0.2s ease;
}

.tag:hover {
  background-color: transparent;
  color: var(--color-accent);
}

.post-excerpt {
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
  font-size: 1.0625rem;
  line-height: 1.7;
}

.read-more {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  display: inline-block;
  letter-spacing: 0.01em;
}

.reading-time {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--color-text-lighter);
}

.canonical-notice {
  background-color: transparent;
  border-left: 3px solid var(--color-border);
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-lg);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

.related-posts {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border-light);
}

.related-posts h2 {
  margin-top: 0;
  font-size: 1.375rem;
}

/* ===================================
   Content Formatting
   =================================== */

blockquote {
  border-left: 3px solid var(--color-border);
  margin: var(--space-lg) 0;
  padding: var(--space-sm) var(--space-md);
  font-style: italic;
  font-size: 1.1875rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

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

code {
  font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
  font-size: 0.875em;
  background-color: var(--color-border-light);
  padding: 0.2em 0.4em;
  border-radius: 2px;
}

pre {
  background-color: var(--color-border-light);
  padding: var(--space-md);
  border-radius: 2px;
  overflow-x: auto;
  margin: var(--space-lg) 0;
  border: 1px solid var(--color-border);
  line-height: 1.5;
}

pre code {
  background: none;
  padding: 0;
}

ul, ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-md);
}

li {
  margin-bottom: var(--space-xs);
  line-height: 1.7;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: var(--space-lg) 0;
  border-radius: 2px;
}

figcaption {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--color-text-lighter);
  text-align: center;
  margin-top: var(--space-sm);
  font-style: italic;
}

.header-anchor {
  opacity: 0;
  margin-left: 0.5rem;
  text-decoration: none;
  transition: opacity 0.2s ease;
  border: none;
}

h2:hover .header-anchor,
h3:hover .header-anchor,
h4:hover .header-anchor {
  opacity: 0.5;
}

/* ===================================
   Newsletter Signup
   =================================== */

.newsletter-signup {
  background-color: var(--color-border-light);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  padding: var(--space-xl);
  margin: var(--space-2xl) 0;
}

.newsletter-signup h3 {
  margin-top: 0;
  margin-bottom: var(--space-sm);
  font-size: 1.375rem;
}

.newsletter-signup p {
  margin-bottom: var(--space-md);
  font-family: var(--font-sans);
  color: var(--color-text-light);
  font-size: 1rem;
  line-height: 1.6;
}

.newsletter-signup ol {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.newsletter-signup code {
  font-size: 0.8125rem;
}

.newsletter-signup-full {
  background-color: var(--color-highlight);
  padding: var(--space-xl) 0;
  margin: var(--space-2xl) 0;
  width: 100%;
}

.newsletter-signup-full .container {
  max-width: 600px;
}

.newsletter-signup-full h3 {
  margin-top: 0;
  margin-bottom: var(--space-sm);
  font-size: 1.375rem;
  text-align: center;
}

.newsletter-signup-full p {
  margin-bottom: var(--space-md);
  font-family: var(--font-sans);
  color: var(--color-text-light);
  font-size: 1rem;
  line-height: 1.6;
  text-align: center;
}

.newsletter-signup-full p:last-child {
  margin-bottom: 0;
}

.newsletter-signup-full a {
  color: var(--color-text);
  text-decoration: underline;
  font-weight: 500;
}

.newsletter-signup-full a:hover {
  color: var(--color-accent-hover);
}

/* ===================================
   Publications
   =================================== */

.publication-list {
  list-style: none;
  padding-left: 0;
}

.publication-item {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border-light);
}

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

.publication-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: var(--space-xs);
  line-height: 1.5;
}

.publication-meta {
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
}

.publication-authors {
  margin-bottom: var(--space-xs);
}

.publication-details {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: 0.875rem;
}

.citation-count {
  color: var(--color-accent);
  font-weight: 500;
}

/* ===================================
   Projects
   =================================== */

.project-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-lg);
}

@media (min-width: 768px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.project-card {
  border: 1px solid var(--color-border);
  border-radius: 2px;
  padding: var(--space-lg);
  transition: box-shadow 0.2s ease;
}

.project-card:hover {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.project-card h3 {
  margin-top: 0;
  font-size: 1.25rem;
}

.project-status {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 2px;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
  letter-spacing: 0.05em;
}

.project-status.active {
  background-color: var(--color-green);
  color: var(--color-text);
}

.project-status.completed {
  background-color: var(--color-accent);
  color: var(--color-text);
}

.project-status.planned {
  background-color: var(--color-pink);
  color: var(--color-text);
}

@media (prefers-color-scheme: dark) {
  .project-status.active {
    background-color: var(--color-green);
    color: var(--color-text);
  }

  .project-status.completed {
    background-color: var(--color-accent);
    color: var(--color-text);
  }

  .project-status.planned {
    background-color: var(--color-pink);
    color: var(--color-text);
  }
}

.project-card p {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text-light);
}

.project-links {
  margin-top: var(--space-md);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* ===================================
   Media Page
   =================================== */

.media-list {
  list-style: none;
  padding-left: 0;
}

.media-item {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border-light);
}

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

.media-outlet {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.media-title {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: var(--space-xs);
  line-height: 1.4;
}

.media-date {
  font-family: var(--font-sans);
  color: var(--color-text-lighter);
  font-size: 0.875rem;
  margin-bottom: var(--space-sm);
}

.media-excerpt {
  font-family: var(--font-sans);
  color: var(--color-text-light);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ===================================
   Tag Archives
   =================================== */

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  list-style: none;
  padding-left: 0;
  margin-bottom: var(--space-lg);
}

.tag-list .tag {
  font-size: 0.9375rem;
}

/* ===================================
   Contact Form
   =================================== */

.contact-form {
  margin: var(--space-sm) 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xs) var(--space-sm);
}

.form-group {
  margin-bottom: 0;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  display: block;
  margin-bottom: 0.25rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text);
}

.required {
  color: var(--color-highlight);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.3;
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.submit-button {
  background-color: var(--color-accent);
  color: #ffffff;
  border: 2px solid var(--color-accent);
  padding: 0.5rem var(--space-md);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.2s ease;
  letter-spacing: 0.02em;
  grid-column: 1 / -1;
  justify-self: start;
}

@media (max-width: 640px) {
  .contact-form {
    grid-template-columns: 1fr;
  }
}

.submit-button:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.submit-button:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.hidden {
  display: none;
}

/* ===================================
   Utilities
   =================================== */

.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;
}

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

.text-center {
  text-align: center;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

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

/* Tablet (768px - 1024px) - iPad and similar */
@media (min-width: 768px) and (max-width: 1024px) {
  .container {
    max-width: 740px;
  }

  .hero-content {
    grid-template-columns: 1.2fr 1fr;
  }
}

/* Desktop (1024px+) - Larger screens - CAPPED FOR OPTIMAL READABILITY */
@media (min-width: 1024px) {
  .container {
    max-width: 720px;
  }

  html {
    font-size: 19px;
  }

  .nav-menu {
    gap: 2rem;
  }

  .nav-menu a {
    font-size: 0.875rem;
  }

  .nav-right {
    gap: 2rem;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-md);
  }

  .hero-image {
    order: -1;
  }

  .hero-links {
    justify-content: center;
  }

  .project-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
  }
}

/* Large Desktop (1440px+) - Very wide screens - MAXIMUM WIDTH FOR READABILITY */
@media (min-width: 1440px) {
  .container {
    max-width: 800px;
  }

  html {
    font-size: 20px;
  }

  .site-header {
    padding: var(--space-xl) 0;
  }

  .hero {
    padding-bottom: var(--space-2xl);
  }

  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile and Tablet - Responsive Navigation */
@media (max-width: 900px) {
  .mobile-menu-toggle {
    display: block;
    order: 2;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    gap: 0;
    padding: var(--space-sm) var(--content-padding);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    align-items: stretch;
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-menu li {
    width: 100%;
    border-bottom: 1px solid var(--color-border-light);
    height: auto;
    display: block;
  }

  .nav-menu li:last-child {
    border-bottom: none;
  }

  .nav-menu a {
    display: block;
    padding: 0.875rem 0;
    font-size: 1rem;
    line-height: 1.5;
  }

  .theme-toggle {
    order: 1;
  }

  .nav-right {
    gap: var(--space-sm);
  }
}

/* Mobile (up to 640px) */
@media (max-width: 640px) {
  html {
    font-size: 17px;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.625rem;
  }

  .site-header {
    padding: 1rem 0;
  }

  .hero-text h1 {
    font-size: 1.875rem;
  }

  .hero-bio {
    font-size: 1.125rem;
  }
}