/* ============================================================
   SUN LAB — Neuroscience Research
   Programmer / ASCII Art / Courier New Theme
   ============================================================ */

:root {
  --bg: #0c0c0c;
  --bg-alt: #111111;
  --surface: #1a1a1a;
  --surface-hover: #222222;
  --border: #333333;
  --border-dim: #222222;
  --text: #c0c0c0;
  --text-muted: #808080;
  --text-dim: #555555;
  --accent: #00ff00;
  --accent-dim: #00aa00;
  --accent-secondary: #00cccc;
  --accent-warn: #ffaa00;
  --font-mono: 'Courier New', 'Courier', monospace;
  --transition: all 0.2s ease;
}

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

html { scroll-behavior: smooth; font-size: 15px; }

body {
  font-family: var(--font-mono);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: var(--bg); }

/* ============================================================
   ASCII ART UTILITIES
   ============================================================ */

.ascii-art {
  font-family: var(--font-mono);
  white-space: pre;
  line-height: 1.2;
  color: var(--accent);
  overflow-x: auto;
}

.ascii-box {
  border: 1px solid var(--border);
  padding: 1rem;
  background: var(--surface);
  font-family: var(--font-mono);
  white-space: pre-wrap;
  line-height: 1.4;
  color: var(--text);
  overflow-x: auto;
}

.ascii-box .comment { color: var(--text-dim); }
.ascii-box .keyword { color: var(--accent); }
.ascii-box .string { color: var(--accent-secondary); }
.ascii-box .number { color: var(--accent-warn); }

/* ============================================================
   NAVIGATION
   ============================================================ */

.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0.75rem 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: bold;
  color: var(--accent);
  text-decoration: none;
}

.nav-logo pre {
  margin: 0;
  line-height: 1;
  font-size: 0.7rem;
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-decoration: none;
  position: relative;
  padding: 0.25rem 0;
}

.nav-links a::before {
  content: '[';
  color: var(--text-dim);
  margin-right: 0.2rem;
  opacity: 0;
  transition: var(--transition);
}

.nav-links a::after {
  content: ']';
  color: var(--text-dim);
  margin-left: 0.2rem;
  opacity: 0;
  transition: var(--transition);
}

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

.nav-links a:hover::before,
.nav-links a:hover::after,
.nav-links a.active::before,
.nav-links a.active::after {
  opacity: 1;
}

.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 1rem;
  padding: 0.3rem 0.6rem;
  cursor: pointer;
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 1.5rem 3rem;
  border-bottom: 1px solid var(--border);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--bg);
}

#neural-canvas {
  position: absolute;
  inset: 0;
  opacity: 0.3;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: left;
  max-width: 900px;
  width: 100%;
}

.hero-prompt {
  color: var(--text-dim);
  font-size: 0.8rem;
  margin-bottom: 1rem;
}

.hero-prompt::before {
  content: '$ ';
  color: var(--accent);
}

.hero h1 {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: bold;
  color: var(--text);
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

.hero h1 .highlight {
  color: var(--accent);
}

.hero-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 65ch;
  border-left: 2px solid var(--border);
  padding-left: 1rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
}

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

.btn-primary {
  border-color: var(--accent-dim);
  color: var(--accent);
}

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

.hero-scroll {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-dim);
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

.hero-scroll::before {
  content: '> ';
  color: var(--accent);
}

/* ============================================================
   SECTIONS
   ============================================================ */

.section {
  padding: 4rem 1.5rem;
  position: relative;
  border-bottom: 1px solid var(--border);
}

.section-alt { background: var(--bg-alt); }

.container {
  max-width: 1100px;
  margin: 0 auto;
}

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

.section-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.section-header h2 {
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: bold;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 65ch;
}

/* ============================================================
   TERMINAL BOX
   ============================================================ */

.terminal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.terminal-header {
  background: var(--bg-alt);
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.terminal-header::before {
  content: '● ● ●';
  color: var(--text-dim);
  letter-spacing: 0.3em;
}

.terminal-body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text);
}

.terminal-body .cmd {
  color: var(--accent);
}

.terminal-body .cmd::before {
  content: '$ ';
  color: var(--text-dim);
}

.terminal-body .output {
  color: var(--text-muted);
  margin-left: 1.5rem;
  margin-bottom: 0.5rem;
}

.terminal-body .comment {
  color: var(--text-dim);
}

/* ============================================================
   RESEARCH CARDS
   ============================================================ */

.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
}

.research-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.5rem;
  transition: var(--transition);
}

.research-card:hover {
  border-color: var(--accent-dim);
}

.research-card::before {
  content: '// ';
  color: var(--text-dim);
  font-size: 0.8rem;
}

.research-card h3 {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: bold;
  color: var(--accent);
  margin: 0.5rem 0 0.75rem;
}

.research-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.research-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.tag {
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--border);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  background: var(--bg);
}

.tag:hover {
  border-color: var(--accent-dim);
  color: var(--accent);
}

/* ============================================================
   PUBLICATIONS
   ============================================================ */

.pub-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.pub-item {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1rem 1.5rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: start;
  transition: var(--transition);
}

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

.pub-number {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: bold;
  min-width: 2rem;
}

.pub-number::before {
  content: '[';
  color: var(--text-dim);
}

.pub-number::after {
  content: ']';
  color: var(--text-dim);
}

.pub-content h4 {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: normal;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

.pub-meta {
  font-size: 0.75rem;
  color: var(--text-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pub-meta .journal {
  color: var(--accent-secondary);
}

.pub-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.pub-link {
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--border);
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.pub-link:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ============================================================
   PEOPLE
   ============================================================ */

.people-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.person-card {
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}

.person-card:hover {
  border-color: var(--accent-dim);
}

.person-photo {
  width: 100%;
  height: 240px;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.person-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(30%);
  transition: var(--transition);
}

.person-card:hover .person-photo img {
  filter: grayscale(0%);
}

.person-info {
  padding: 1rem;
}

.person-info h3 {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: bold;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.person-role {
  font-size: 0.8rem;
  color: var(--accent);
  font-family: var(--font-mono);
  margin-bottom: 0.5rem;
}

.person-bio {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ============================================================
   STATS
   ============================================================ */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.stat-item {
  text-align: center;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
}

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

.stat-number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: bold;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ============================================================
   FEATURED PAPER
   ============================================================ */

.featured-paper {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.featured-content .badge {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--accent-warn);
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--accent-warn);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.featured-content h3 {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: bold;
  margin-bottom: 1rem;
  line-height: 1.3;
  color: var(--text);
}

.featured-content p {
  margin-bottom: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.featured-image {
  border: 1px solid var(--border);
  background: var(--bg);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============================================================
   IMAGES / GALLERY
   ============================================================ */

.img-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.img-card {
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  background: var(--surface);
  aspect-ratio: 16/10;
  position: relative;
}

.img-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.img-card:hover img {
  filter: brightness(1.1);
}

.img-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: rgba(0,0,0,0.8);
  padding: 0.5rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  border-top: 1px solid var(--border);
}

/* ============================================================
   CONTACT
   ============================================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.contact-info h3 {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--text);
}

.contact-info p {
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
}

.contact-detail .icon {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 1rem;
  min-width: 1.5rem;
}

.contact-detail div strong {
  color: var(--text);
  display: block;
  margin-bottom: 0.15rem;
}

.contact-detail div span,
.contact-detail div a {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-decoration: none;
}

.contact-detail div a:hover {
  color: var(--accent);
}

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.5rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
  font-family: var(--font-mono);
}

.form-group label::before {
  content: '> ';
  color: var(--accent);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  transition: var(--transition);
}

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

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  background: var(--bg-alt);
}

.footer-content {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text);
}

.footer-brand span { color: var(--accent); }

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  color: var(--text-dim);
  font-size: 0.75rem;
  text-decoration: none;
}

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

.footer-copy {
  color: var(--text-dim);
  font-size: 0.75rem;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.cursor::after {
  content: '_';
  animation: blink 1s infinite;
  color: var(--accent);
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   SCROLLBAR
   ============================================================ */

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); }
::-webkit-scrollbar-thumb:hover { background: var(--accent-dim); }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 1rem 1.5rem;
    gap: 1rem;
  }

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

  .mobile-toggle { display: block; }

  .hero { padding: 5rem 1rem 2rem; }

  .section { padding: 3rem 1rem; }

  .featured-paper,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .pub-item {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

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