/* ============================================
   Samuel Fernley — Personal Website
   Design System: Editorial, Minimal, Considered
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=DM+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&display=swap');

/* CSS Variables */
:root {
  /* Colors */
  --bg-primary: #F9F8F5;
  --text-primary: #1A1A1A;
  --text-secondary: #6B6B6B;
  --accent: #2A6B6B;
  --divider: #E0DED8;
  --tag-bg: #F0EFEC;
  --card-border: #D8D6D0;
  --card-border-hover: #2A6B6B;
  
  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --max-width: 760px;
  --section-gap: 4rem;
  --element-gap: 1.5rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-medium: 250ms ease;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.3;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 500;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

h4 {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
}

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

a:hover {
  text-decoration: underline;
}

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Navigation */
nav {
  padding: 2rem 0;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--divider);
}

.nav-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
}

.site-name:hover {
  text-decoration: none;
  color: var(--accent);
}

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

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--accent);
  text-decoration: none;
}

.nav-links a.active {
  color: var(--accent);
}

/* Main Content */
main {
  min-height: calc(100vh - 200px);
  padding-bottom: 4rem;
}

/* Sections */
section {
  margin-bottom: var(--section-gap);
}

.section-header {
  margin-bottom: 2rem;
}

.section-subheading {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

/* Hero */
.hero {
  padding: 2rem 0 3rem;
}

.hero-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.hero-text {
  min-width: 0;
}

.hero-avatar {
  width: auto;
  min-width: auto;
  flex: 0 0 auto;
}

.hero-avatar img,
.hero-headshot {
  width: 80px;
  height: 80px;
  max-width: 80px;
  max-height: 80px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  border: 1px solid var(--divider);
}

.hero h1 {
  margin-bottom: 0.75rem;
}

.hero-tagline {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.hero-bio {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-primary);
  max-width: 680px;
}

.page-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
}

.page-logo {
  width: 140px;
  height: auto;
  object-fit: contain;
  border-radius: 14px;
  border: 1px solid var(--divider);
}

/* Dividers */
.divider {
  height: 1px;
  background-color: var(--divider);
  margin: 2.5rem 0;
  border: none;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.card {
  border: 1px solid var(--card-border);
  border-radius: 4px;
  padding: 1.5rem;
  transition: border-color var(--transition-medium), transform var(--transition-medium);
  cursor: pointer;
}

.card:hover {
  border-color: var(--card-border-hover);
  transform: translateY(-2px);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.card-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.card-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.card-link::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.card:hover .card-link::after {
  transform: translateX(3px);
}

/* Goodreads Card */
.goodreads-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  min-height: 240px;
}

.goodreads-card:hover {
  text-decoration: none;
}

.goodreads-logo {
  width: 60px;
  height: 60px;
  margin-bottom: 1rem;
  object-fit: contain;
}

/* Engagement Cards (for Work page) */
.engagement-card {
  border: 1px solid var(--card-border);
  border-radius: 4px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  transition: border-color var(--transition-medium);
}

.engagement-card:hover {
  border-color: var(--card-border-hover);
}

.engagement-card h3 {
  margin-bottom: 0.5rem;
}

.engagement-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* Tags/Pills */
.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.75rem;
  background-color: var(--tag-bg);
  color: var(--text-secondary);
  border-radius: 100px;
  margin-bottom: 0.75rem;
}

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

.tag.clickable {
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

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

.tag.clickable.active {
  background-color: var(--accent);
  color: white;
}

/* Skill Groups */
.skill-group {
  margin-bottom: 2.5rem;
}

.skill-group h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill-tag {
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  background-color: var(--tag-bg);
  color: var(--text-primary);
  border-radius: 4px;
  border: 1px solid var(--divider);
}

/* Role Block */
.role-block {
  margin-bottom: 2.5rem;
}

.role-header {
  margin-bottom: 1rem;
}

.role-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

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

.role-description {
  color: var(--text-primary);
  line-height: 1.8;
}

/* Logo Styles */
.org-logo {
  height: 60px;
  width: auto;
  object-fit: contain;
  border-radius: 4px;
}

.role-title-with-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.qualification-title-with-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Qualifications */
.qualification-item {
  margin-bottom: 1.5rem;
}

.qualification-item h4 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.qualification-item p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* Project Entries */
.project-entry {
  margin-bottom: 4rem;
}

.project-header {
  margin-bottom: 1rem;
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

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

.project-description {
  color: var(--text-primary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.project-link {
  font-weight: 500;
  color: var(--accent);
}

/* Image Galleries */
.image-gallery {
  margin-top: 1.5rem;
}

.gallery-lead {
  width: 100%;
  margin-bottom: 1rem;
}

.gallery-lead img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 4px;
}

.gallery-grid {
  display: grid;
  gap: 1rem;
}

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

.gallery-grid.three-col {
  grid-template-columns: repeat(3, 1fr);
}

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

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  display: block;
  transition: transform var(--transition-medium);
}

.gallery-item:hover img {
  transform: scale(1.02);
}

.gallery-subsection {
  margin-top: 2rem;
}

.gallery-subsection-title {
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* Academic Sub-entries */
.academic-subentries {
  margin-top: 1.5rem;
  padding-left: 1rem;
  border-left: 2px solid var(--divider);
}

.academic-entry {
  margin-bottom: 1.5rem;
}

.academic-entry:last-child {
  margin-bottom: 0;
}

.academic-entry h5 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.academic-entry .entry-meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.academic-entry p {
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.7;
  margin-bottom: 0;
}

/* Library Lists */
.library-section {
  margin-bottom: 3rem;
}

.library-intro {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.library-list {
  list-style: none;
  padding: 0;
}

.library-item {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--divider);
}

.library-item:first-child {
  padding-top: 0;
}

.library-item.hidden {
  display: none;
}

.library-item-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.library-item-meta {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.library-item-note {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-style: italic;
}

.library-item-tags {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

.library-tag {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.6rem;
  background-color: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.library-tag:hover,
.library-tag.active {
  background-color: var(--accent);
  color: white;
}

/* Podcast Entries */
.podcast-entry {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.podcast-artwork {
  width: 70px;
  height: 70px;
  border-radius: 6px;
  flex-shrink: 0;
  object-fit: cover;
}

.podcast-content {
  flex: 1;
}

.podcast-content .library-item-title {
  margin-bottom: 0.25rem;
}

.podcast-content .library-item-title a {
  color: var(--text-primary);
  text-decoration: none;
}

.podcast-content .library-item-title a:hover {
  color: var(--accent);
  text-decoration: underline;
}

/* Essay Cards in Library */
.essay-card {
  border: 1px solid var(--card-border);
  border-radius: 4px;
  padding: 1.5rem;
  transition: border-color var(--transition-medium);
}

.essay-card:hover {
  border-color: var(--card-border-hover);
}

.essay-card .essay-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.essay-card .essay-context {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.essay-card .essay-description {
  font-size: 0.9rem;
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.essay-card .essay-download {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
}

.essay-card .essay-download:hover {
  text-decoration: underline;
}

/* Tag Filter Controls */
.tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  align-items: center;
}

.tag-filter-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-right: 0.5rem;
}

/* Stats Block */
.stats-block {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

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

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Tech Stack */
.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

/* Footer */
footer {
  padding: 3rem 0;
  border-top: 1px solid var(--divider);
  margin-top: 2rem;
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

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

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

.copyright {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Utility Classes */
.text-secondary {
  color: var(--text-secondary);
}

.text-accent {
  color: var(--accent);
}

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

.mb-1 {
  margin-bottom: 1rem;
}

.mb-2 {
  margin-bottom: 2rem;
}

.mt-2 {
  margin-top: 2rem;
}

.italic {
  font-style: italic;
}

/* Note/Placeholder styling */
.note {
  font-style: italic;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Responsive */
@media (max-width: 640px) {
  .nav-content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .nav-links {
    gap: 1rem;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .gallery-grid.two-col,
  .gallery-grid.three-col,
  .gallery-grid.four-col {
    grid-template-columns: 1fr;
  }
  
  .stats-block {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }
  
  .stat-number {
    font-size: 1.75rem;
  }
}

/* Print Styles */
@media print {
  nav, footer {
    display: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
  }
  
  a {
    text-decoration: none;
    color: var(--text-primary);
  }
  
  .card, .engagement-card {
    border: 1px solid #ccc;
    break-inside: avoid;
  }
}