/* Marshall Doyle - Personal Website
   Scandinavian Minimal Design */

:root {
  --bg-primary: #fafafa;
  --bg-secondary: #ffffff;
  --text-primary: #1a1a1a;
  --text-secondary: #666666;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --border: #e5e5e5;
  --spacing-unit: 1rem;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
}

/* Hero Background Image */
.hero-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-image: url('assets/images/topanga-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.3;
  z-index: -1;
  pointer-events: none;
}

/* Layout */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Navigation */
header {
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

/* Hero Section */
.hero {
  padding: 6rem 0;
  max-width: 720px;
}

.hero-split {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4rem;
  padding: 6rem 0;
}

.hero-text {
  flex: 1;
  max-width: 600px;
}

.hero-ascii {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-ascii .ascii-art {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.15;
  color: var(--text-secondary);
  white-space: pre;
}

.hero h1,
.hero-text h1 {
  font-size: 2.75rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero p,
.hero-text p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.hero-links {
  display: flex;
  gap: 1.5rem;
}

.hero-links a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.hero-links a:hover {
  color: var(--accent-hover);
}

/* Section Headers */
.section-header {
  padding: 4rem 0 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.section-header p {
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

/* Project Grid */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  padding-bottom: 4rem;
}

.project-card {
  display: block;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.06);
}

.project-image {
  width: 100%;
  height: 240px;
  background: #f0f0f0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.875rem;
  overflow: hidden;
}

.project-image img {
  height: 100%;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

.project-image-placeholder {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.project-content {
  padding: 1.5rem;
}

.project-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.project-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  background: var(--bg-primary);
  color: var(--text-secondary);
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  font-size: 0.8rem;
}

/* Tutorial List */
.tutorial-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-bottom: 4rem;
}

.tutorial-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: border-color 0.2s ease;
}

.tutorial-item:hover {
  border-color: var(--accent);
}

.tutorial-info h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.tutorial-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.tutorial-links {
  display: flex;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-secondary {
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--text-secondary);
}

/* About Page */
.about-content {
  max-width: 720px;
  padding: 4rem 0;
}

.about-content h1 {
  font-size: 2.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
}

.about-content p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.about-content p:first-of-type {
  font-size: 1.15rem;
  color: var(--text-primary);
}

.experience-list {
  margin-top: 3rem;
}

.experience-list h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.experience-item {
  display: flex;
  gap: 2rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
}

.experience-date {
  min-width: 120px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.experience-details h3 {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.experience-details p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* Footer */
footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  margin-top: 4rem;
}

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

.footer-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.social-links {
  display: flex;
  gap: 1.5rem;
}

.social-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.social-links a:hover {
  color: var(--text-primary);
}

/* Blog */
.blog-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-bottom: 4rem;
}

.blog-post {
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

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

.blog-date {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 0.5rem;
}

.blog-post h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.blog-post h3 a {
  color: var(--text-primary);
  text-decoration: none;
}

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

.blog-post p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Series Roadmap */
.series-roadmap {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
  padding-bottom: 2rem;
}

.roadmap-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
}

.roadmap-section h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.roadmap-list {
  list-style: none;
}

.roadmap-list li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.roadmap-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--bg-secondary);
}

.roadmap-list li.completed::before {
  background: var(--accent);
  border-color: var(--accent);
}

.roadmap-list li.upcoming::before {
  background: var(--bg-secondary);
  border-color: var(--text-secondary);
}

/* ASCII Art Animation */
.ascii-art {
  font-family: 'Courier New', monospace;
  font-size: 10px;
  line-height: 1.1;
  white-space: pre;
  color: var(--text-secondary);
  text-align: center;
  padding: 2rem 0;
  user-select: none;
  overflow: hidden;
}

.ascii-container {
  display: flex;
  justify-content: center;
  padding: 2rem 0;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-split {
    flex-direction: column;
    gap: 2rem;
  }

  .hero-ascii {
    order: -1;
  }

  .hero-text {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .hero h1,
  .hero-text h1 {
    font-size: 2rem;
  }

  .nav-links {
    gap: 1rem;
    font-size: 0.85rem;
  }

  .tutorial-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .footer-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .hero-ascii .ascii-art {
    font-size: 10px;
  }
}

/* ========== Technical Library ========== */

/* Library reuses .project-grid, .project-card, .project-image,
   .project-content, .project-tags, and .tag classes */

.library-card-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

/* ========== Review Article ========== */

.review-article {
  max-width: 720px;
  padding: 2rem 0 4rem;
}

.review-back {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  margin-bottom: 2rem;
  transition: color 0.2s ease;
}

.review-back:hover {
  color: var(--accent);
}

/* Review hero: cover + metadata side by side */
.review-hero {
  display: flex;
  gap: 2rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
}

.review-hero-cover {
  width: 180px;
  height: auto;
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  flex-shrink: 0;
  object-fit: contain;
}

.review-hero-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.review-meta {
  margin-bottom: 1rem;
}

.review-hero-text h1 {
  font-size: 2.5rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 0.25rem;
}

.review-subtitle {
  font-size: 1.15rem;
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.review-details {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.review-sep {
  margin: 0 0.5rem;
}

/* Legacy header for reviews not yet converted */
.review-header {
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
}

.review-header h1 {
  font-size: 2.75rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 0.25rem;
}

/* Inline figures for review essays */
.review-figure {
  margin: 2rem 0;
}

.review-figure img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  display: block;
}

.review-figure figcaption {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 0.6rem;
  line-height: 1.5;
}

.review-section {
  margin-bottom: 3rem;
}

.review-section h2 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.review-section h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.review-section p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.review-section ul,
.review-section ol {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
  line-height: 1.7;
}

.review-section li {
  margin-bottom: 0.75rem;
}

.review-insight {
  margin-bottom: 2rem;
  padding-left: 1.25rem;
  border-left: 3px solid var(--border);
}

.review-insight h3 {
  margin-top: 0;
}

/* Blockquotes */
.review-quote {
  margin: 2rem 0;
  padding: 1.5rem 2rem;
  background: var(--bg-secondary);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
}

.review-quote p {
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 0.75rem;
  font-style: italic;
}

.review-quote cite {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-style: normal;
}

/* Review table */
.review-table-wrap {
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

.review-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.review-table th {
  text-align: left;
  font-weight: 600;
  color: var(--text-primary);
  padding: 0.75rem 1rem;
  border-bottom: 2px solid var(--border);
}

.review-table td {
  padding: 0.75rem 1rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

.review-footer {
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}

@media (max-width: 768px) {
  .review-hero {
    flex-direction: column;
    gap: 1.5rem;
  }

  .review-hero-cover {
    width: 140px;
  }

  .review-hero-text h1,
  .review-header h1 {
    font-size: 2rem;
  }

  .review-quote {
    padding: 1rem 1.25rem;
  }

  .library-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== Fractal Explorer Interactive Panel ========== */

.fractal-panel {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.fractal-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-primary);
  align-items: flex-end;
}

.fractal-control-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

.fractal-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.fractal-select {
  font-family: inherit;
  font-size: 0.85rem;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
}

.fractal-select:focus {
  outline: none;
  border-color: var(--accent);
}

.fractal-slider {
  width: 100%;
  min-width: 80px;
  cursor: pointer;
  accent-color: var(--accent);
}

.fractal-buttons {
  flex-direction: row;
  gap: 0.5rem;
  align-items: flex-end;
  margin-left: auto;
}

.fractal-btn {
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.45rem 1rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  transition: background 0.2s ease;
  white-space: nowrap;
}

.fractal-btn:hover {
  background: var(--accent-hover);
}

.fractal-btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.fractal-btn-secondary:hover {
  background: var(--bg-primary);
  border-color: var(--text-secondary);
}

.fractal-type-controls {
  display: contents;
}

.fractal-canvas-wrap {
  position: relative;
  background: #0f1419;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fractal-canvas-wrap canvas {
  display: block;
  width: 100%;
}

.fractal-canvas-wrap.mb-mode canvas {
  cursor: crosshair;
}

.fractal-zoom-info {
  position: absolute;
  bottom: 0.5rem;
  right: 0.75rem;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.45);
  font-family: 'Courier New', monospace;
  pointer-events: none;
}

.fractal-info {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 0.9rem 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg-primary);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.fractal-info code {
  font-family: 'Courier New', monospace;
  font-size: 0.78rem;
  color: var(--text-primary);
  background: var(--bg-secondary);
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  border: 1px solid var(--border);
}

@media (max-width: 768px) {
  .fractal-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .fractal-buttons {
    margin-left: 0;
    justify-content: center;
  }

  .fractal-btn {
    flex: 1;
  }

  .fractal-info {
    flex-direction: column;
    gap: 0.5rem;
  }
}

/* ========== Project Detail Pages ========== */

.project-hero-img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 2rem;
}

.project-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin: 2rem 0;
}

.project-gallery-full {
  grid-template-columns: 1fr;
}

.project-gallery figure {
  margin: 0;
}

.project-gallery img {
  width: 100%;
  border-radius: 4px;
  display: block;
}

.project-gallery figcaption {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
  line-height: 1.45;
}

.project-gallery .gallery-span-full {
  grid-column: 1 / -1;
}

.project-gallery .gallery-span-full img {
  max-height: 520px;
  object-fit: cover;
}

.project-spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.88rem;
}

.project-spec-table th,
.project-spec-table td {
  padding: 0.6rem 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.project-spec-table th {
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}

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

  .project-hero-img {
    max-height: 320px;
  }
}