/* Shoring Labs Research Institute — Restrained Cyberpunk */

/* ==========================================
   DESIGN SYSTEM
   ========================================== */
:root {
  /* Cyberpunk dark palette */
  --sl-bg: #0a0e1a;
  --sl-surface: #12161f;
  --sl-border: #1a2332;
  --sl-text: #e8edf4;
  --sl-muted: #8b95a8;
  --sl-accent: #00d9ff;
  --sl-accent-glow: rgba(0, 217, 255, 0.15);
  --sl-accent-dim: #0099bb;
  
  --sl-font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --sl-font-mono: 'JetBrains Mono', 'IBM Plex Mono', 'SF Mono', Consolas, 'Liberation Mono', Menlo, Monaco, monospace;
}

/* ==========================================
   BASE RESET
   ========================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(0, 217, 255, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 217, 255, 0.02) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */
body {
  font-family: var(--sl-font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--sl-text);
  background: var(--sl-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--sl-font-mono);
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 1rem 0;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--sl-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

h2 {
  font-size: 1.5rem;
  margin-top: 3rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--sl-border);
  color: var(--sl-text);
}

h2::before {
  content: '> ';
  color: var(--sl-accent);
  margin-right: 0.5rem;
}

h3 {
  font-size: 1.15rem;
  margin-top: 2rem;
  color: var(--sl-text);
}

p {
  margin: 0 0 1.25rem 0;
}

a {
  color: var(--sl-accent);
  text-decoration: none;
  transition: all 0.2s ease;
  position: relative;
}

a:hover {
  color: var(--sl-text);
  text-shadow: 0 0 8px var(--sl-accent-glow);
}

code, pre {
  font-family: var(--sl-font-mono);
  font-size: 0.9em;
}

code {
  background: var(--sl-surface);
  padding: 0.2em 0.5em;
  border-radius: 3px;
  border: 1px solid var(--sl-border);
  color: var(--sl-accent);
}

pre {
  background: var(--sl-surface);
  padding: 1.5rem;
  border: 1px solid var(--sl-border);
  border-left: 3px solid var(--sl-accent);
  overflow-x: auto;
  margin: 1.5rem 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

pre code {
  background: none;
  padding: 0;
  border: none;
  color: var(--sl-text);
}

blockquote {
  border-left: 3px solid var(--sl-accent);
  padding-left: 1.5rem;
  margin: 2rem 0;
  color: var(--sl-muted);
  font-style: italic;
  position: relative;
}

blockquote::before {
  content: '';
  position: absolute;
  left: -3px;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--sl-accent);
  box-shadow: 0 0 10px var(--sl-accent-glow);
}

/* Lists - default browser styling */
ul, ol {
  margin: 0 0 1.25rem 0;
}

/* Only style lists inside article content */
article ul,
article ol {
  margin: 0 0 1.25rem 1.5rem;
}

hr {
  border: none;
  border-top: 1px solid var(--sl-border);
  margin: 2.5rem 0;
  position: relative;
}

hr::after {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 60px;
  height: 1px;
  background: var(--sl-accent);
  box-shadow: 0 0 10px var(--sl-accent-glow);
}

/* ==========================================
   HEADER
   ========================================== */
body > header {
  background: rgba(10, 14, 26, 0.95);
  border-bottom: 1px solid var(--sl-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
}

body > header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    var(--sl-accent) 20%, 
    var(--sl-accent) 80%, 
    transparent 100%);
  opacity: 0.3;
}

body > header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

body > header nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  align-items: center;
  margin: 0;
  padding: 0;
}

body > header nav a {
  color: var(--sl-text);
  text-decoration: none;
  font-family: var(--sl-font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.5rem 1rem;
  position: relative;
  transition: all 0.3s ease;
}

body > header nav a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--sl-accent);
  transition: width 0.3s ease;
  box-shadow: 0 0 8px var(--sl-accent-glow);
}

body > header nav a:hover::before {
  width: 100%;
}

body > header nav a:hover {
  color: var(--sl-accent);
  text-shadow: 0 0 10px var(--sl-accent-glow);
}

body > header nav li:first-child a {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.15em;
}

/* ==========================================
   LAYOUT
   ========================================== */
main {
  flex: 1;
  width: 100%;
  padding: 3rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

main article {
  max-width: 1400px;
  margin: 0 auto;
}

/* Hero section on landing page */
main article > h1:first-child {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--sl-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

main article > h1:first-child + p {
  font-size: 1.25rem;
  color: var(--sl-muted);
  margin-bottom: 3rem;
  line-height: 1.7;
}

/* ==========================================
   LISTS & INDICES
   ========================================== */
.post-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
}

.post-list li {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--sl-border);
  transition: all 0.3s ease;
}

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

.post-list li:hover {
  border-bottom-color: var(--sl-accent);
}

.post-list li a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  text-decoration: none;
  color: var(--sl-text);
  transition: all 0.3s ease;
  position: relative;
  padding-left: 1.5rem;
}

.post-list li a::before {
  content: '◆';
  position: absolute;
  left: 0;
  color: var(--sl-accent);
  transition: all 0.3s ease;
}

.post-list li a:hover::before {
  text-shadow: 0 0 8px var(--sl-accent-glow);
}

.post-list li a:hover {
  color: var(--sl-accent);
  text-shadow: 0 0 8px var(--sl-accent-glow);
}

.post-list li a span {
  font-family: var(--sl-font-mono);
  font-weight: 600;
  font-size: 1.1rem;
  flex: 1;
}

.post-list li small,
.post-list li time {
  color: var(--sl-muted);
  font-family: var(--sl-font-mono);
  font-size: 0.9rem;
  white-space: nowrap;
}

.post-list li time::before {
  content: '[ ';
  color: var(--sl-accent);
}

.post-list li time::after {
  content: ' ]';
  color: var(--sl-accent);
}

/* ==========================================
   BLOG POST
   ========================================== */
article header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  color: var(--sl-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

article header p {
  margin-bottom: 0.25rem;
  font-family: var(--sl-font-mono);
  font-size: 0.95rem;
  color: var(--sl-muted);
}

article header p::before {
  content: '// ';
  color: var(--sl-accent);
  margin-right: 0.5rem;
}

article header p small {
  color: var(--sl-muted);
  font-size: 0.9rem;
}

article header p small a {
  font-weight: 600;
  color: var(--sl-text);
}

article header p small a:hover {
  color: var(--sl-accent);
  text-shadow: 0 0 8px var(--sl-accent-glow);
}

article header time {
  color: var(--sl-accent);
}

article > p,
article > h2,
article > h3,
article > ul,
article > ol,
article > blockquote,
article > pre {
  max-width: 800px;
}

article img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 2rem 0;
  border: 1px solid var(--sl-border);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

article footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--sl-border);
}

article footer p {
  margin: 0;
  color: var(--sl-muted);
  font-family: var(--sl-font-mono);
  font-size: 0.9rem;
}

/* ==========================================
   FOOTER
   ========================================== */
body > footer {
  background: var(--sl-surface);
  border-top: 1px solid var(--sl-border);
  padding: 2rem;
  text-align: center;
  margin-top: auto;
  position: relative;
}

body > footer::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    var(--sl-accent) 20%, 
    var(--sl-accent) 80%, 
    transparent 100%);
  opacity: 0.3;
}

body > footer small {
  color: var(--sl-muted);
  font-family: var(--sl-font-mono);
  font-size: 0.85rem;
}

body > footer small::before {
  content: '[ ';
  color: var(--sl-accent);
}

body > footer small::after {
  content: ' ]';
  color: var(--sl-accent);
}

/* ==========================================
   HOMEPAGE GRID
   ========================================== */
.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.research-card {
  background: var(--sl-surface);
  border: 1px solid var(--sl-border);
  padding: 2rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.research-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--sl-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
  box-shadow: 0 0 10px var(--sl-accent-glow);
}

.research-card:hover::before {
  transform: scaleX(1);
}

.research-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 217, 255, 0.15);
  border-color: var(--sl-accent);
}

.research-card h3 {
  font-family: var(--sl-font-mono);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.research-card h3 a {
  color: var(--sl-text);
  text-decoration: none;
}

.research-card h3 a:hover {
  color: var(--sl-accent);
  text-shadow: 0 0 8px var(--sl-accent-glow);
}

.research-card p {
  color: var(--sl-muted);
  margin: 0;
  line-height: 1.7;
}

.research-card .author-role {
  display: block;
  font-family: var(--sl-font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--sl-accent);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.research-card .author-role::before {
  content: '> ';
  color: var(--sl-accent);
}

/* ==========================================
   TAGS
   ========================================== */
a[href^="/blogs/tags/"] {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--sl-accent);
  background: transparent;
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--sl-accent);
  text-decoration: none;
  transition: all 0.2s ease;
  margin-right: 0.5rem;
}

a[href^="/blogs/tags/"]:hover {
  background: var(--sl-accent);
  color: white;
}

/* ==========================================
   RESPONSIVE ADJUSTMENTS
   ========================================== */
@media (max-width: 768px) {
  body > header nav {
    padding: 1rem;
  }

  body > header nav ul {
    gap: 1rem;
  }

  main {
    padding: 2rem 1rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  main article > h1:first-child {
    font-size: 2rem;
  }

  article header h1 {
    font-size: 2rem;
  }

  .research-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  body > header nav {
    flex-direction: column;
    gap: 1rem;
  }

  body > header nav ul:last-child {
    gap: 1.5rem;
  }
}

/* ==========================================
   PRINT STYLES
   ========================================== */
@media print {
  body > header,
  body > footer {
    display: none;
  }

  main {
    padding: 0;
  }

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