/* ============================================
   SIGNAL PIRATE — Dark Mode Tech Theme
   ============================================ */

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a2e;
  --text-primary: #e0e0e0;
  --text-secondary: #8888aa;
  --accent-attention: #00ff88;
  --accent-reaction: #ff6b6b;
  --accent-amplification: #4ecdc4;
  --accent-rejection: #ff8800;
  --accent-highlight: #7c4dff;
  --border-glow: rgba(0, 255, 136, 0.3);
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --max-width: 1100px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

img { max-width: 100%; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--accent-highlight); }

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background var(--transition);
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-attention);
  letter-spacing: 2px;
}

.nav-logo span {
  color: var(--text-secondary);
  font-weight: 400;
}

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

.nav-links a {
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color var(--transition);
}

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

/* ---- Hero Section ---- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0, 255, 136, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(124, 77, 255, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

/* Glitch Title */
.glitch-title {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 8vw, 5.5rem);
  font-weight: 900;
  letter-spacing: 6px;
  color: var(--accent-attention);
  position: relative;
  text-shadow: 0 0 20px rgba(0, 255, 136, 0.4);
  animation: glitch-flicker 4s infinite;
}

.glitch-title::before,
.glitch-title::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.glitch-title::before {
  color: var(--accent-reaction);
  animation: glitch-shift-1 3s infinite;
  clip-path: inset(0 0 60% 0);
}

.glitch-title::after {
  color: var(--accent-amplification);
  animation: glitch-shift-2 3s infinite;
  clip-path: inset(40% 0 0 0);
}

@keyframes glitch-flicker {
  0%, 92%, 94%, 96%, 100% { opacity: 1; }
  93% { opacity: 0.8; }
  95% { opacity: 0.9; }
}

@keyframes glitch-shift-1 {
  0%, 85%, 88%, 100% { transform: translate(0); }
  86% { transform: translate(-3px, -1px); }
  87% { transform: translate(3px, 1px); }
}

@keyframes glitch-shift-2 {
  0%, 85%, 88%, 100% { transform: translate(0); }
  86% { transform: translate(3px, 1px); }
  87% { transform: translate(-3px, -1px); }
}

/* Typing Subtitle */
.typing-subtitle {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 2.5vw, 1.2rem);
  color: var(--text-secondary);
  margin-top: 1.5rem;
  min-height: 2em;
}

.typing-cursor {
  display: inline-block;
  width: 2px;
  height: 1.2em;
  background: var(--accent-attention);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 0.8s step-end infinite;
}

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

/* Hero Bio */
.hero-bio {
  max-width: 600px;
  margin: 2.5rem auto 0;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
}

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

.hero-scroll-hint {
  margin-top: 3rem;
  animation: float 2.5s ease-in-out infinite;
}

.hero-scroll-hint svg {
  width: 24px;
  height: 24px;
  stroke: var(--text-secondary);
  stroke-width: 2;
  fill: none;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ---- Section Layout ---- */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 5rem 2rem;
}

.section-title {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.section-title .accent {
  color: var(--accent-attention);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 3rem;
}

/* ---- Article Cards ---- */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.article-card {
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 2rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
}

.article-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.article-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-attention), var(--accent-highlight));
  opacity: 0;
  transition: opacity var(--transition);
}

.article-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 255, 136, 0.1);
}

.article-card:hover::before {
  opacity: 1;
}

.article-card-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.article-card-title {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.article-card-abstract {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

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

.tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: 1px solid;
}

.tag-attention {
  color: var(--accent-attention);
  border-color: rgba(0, 255, 136, 0.3);
  background: rgba(0, 255, 136, 0.08);
}

.tag-reaction {
  color: var(--accent-reaction);
  border-color: rgba(255, 107, 107, 0.3);
  background: rgba(255, 107, 107, 0.08);
}

.tag-amplification {
  color: var(--accent-amplification);
  border-color: rgba(78, 205, 196, 0.3);
  background: rgba(78, 205, 196, 0.08);
}

.tag-rejection {
  color: var(--accent-rejection);
  border-color: rgba(255, 136, 0, 0.3);
  background: rgba(255, 136, 0, 0.08);
}

.tag-highlight {
  color: var(--accent-highlight);
  border-color: rgba(124, 77, 255, 0.3);
  background: rgba(124, 77, 255, 0.08);
}

/* ---- Article Page Layout ---- */
.article-header {
  padding: 8rem 2rem 3rem;
  text-align: center;
  position: relative;
}

.article-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0, 255, 136, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.article-meta {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  position: relative;
}

.article-page-title {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1.2;
  position: relative;
}

.article-page-title .accent {
  color: var(--accent-attention);
}

.article-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem 5rem;
}

.article-content h2 {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 3.5rem 0 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.article-content h2 .accent {
  color: var(--accent-attention);
}

.article-content h3 {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--accent-highlight);
  margin: 2.5rem 0 1rem;
}

.article-content p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.article-content strong {
  color: var(--text-primary);
}

.article-content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-tertiary);
  color: var(--accent-attention);
  padding: 0.15em 0.5em;
  border-radius: 4px;
}

/* ---- Formula Box ---- */
.formula-box {
  background: var(--bg-secondary);
  border: 1px solid rgba(124, 77, 255, 0.3);
  border-radius: 12px;
  padding: 2.5rem;
  margin: 2rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.formula-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-highlight), var(--accent-attention));
}

.formula-text {
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 700;
  color: var(--text-primary);
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.formula-text.visible {
  opacity: 1;
  transform: scale(1);
}

.formula-text .sigma { color: var(--accent-highlight); font-size: 1.3em; }
.formula-text .weight { color: var(--accent-attention); }
.formula-text .prob { color: var(--accent-amplification); }

.formula-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 1rem;
  letter-spacing: 1px;
}

/* ---- Interactive Table ---- */
.table-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.5rem 1.25rem;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.filter-btn:hover {
  border-color: var(--accent-highlight);
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--accent-highlight);
  border-color: var(--accent-highlight);
  color: #fff;
}

.filter-btn[data-filter="attention"].active {
  background: var(--accent-attention);
  border-color: var(--accent-attention);
  color: #0a0a0f;
}

.filter-btn[data-filter="reaction"].active {
  background: var(--accent-reaction);
  border-color: var(--accent-reaction);
  color: #fff;
}

.filter-btn[data-filter="amplification"].active {
  background: var(--accent-amplification);
  border-color: var(--accent-amplification);
  color: #0a0a0f;
}

.filter-btn[data-filter="rejection"].active {
  background: var(--accent-rejection);
  border-color: var(--accent-rejection);
  color: #0a0a0f;
}

.signals-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.signals-table thead th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: sticky;
  top: 60px;
  background: var(--bg-primary);
  z-index: 10;
}

.signals-table tbody tr {
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: background var(--transition);
}

.signals-table tbody tr:hover {
  background: var(--bg-tertiary);
}

.signals-table td {
  padding: 0.85rem 1rem;
  color: var(--text-secondary);
  vertical-align: middle;
}

.signals-table td:first-child {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-primary);
}

.signals-table .category-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 0.5rem;
  vertical-align: middle;
}

.category-dot.attention { background: var(--accent-attention); box-shadow: 0 0 6px var(--accent-attention); }
.category-dot.reaction { background: var(--accent-reaction); box-shadow: 0 0 6px var(--accent-reaction); }
.category-dot.amplification { background: var(--accent-amplification); box-shadow: 0 0 6px var(--accent-amplification); }
.category-dot.rejection { background: var(--accent-rejection); box-shadow: 0 0 6px var(--accent-rejection); }

.visibility-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.visibility-badge.visible {
  background: rgba(0, 255, 136, 0.15);
  color: var(--accent-attention);
  border: 1px solid rgba(0, 255, 136, 0.3);
}

.visibility-badge.hidden {
  background: rgba(255, 136, 0, 0.1);
  color: var(--accent-rejection);
  border: 1px solid rgba(255, 136, 0, 0.2);
}

.signal-row-hidden {
  display: none;
}

/* ---- Chart Containers ---- */
.chart-container {
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 2rem;
  margin: 2rem 0;
  position: relative;
}

.chart-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  text-align: center;
}

.chart-wrapper {
  position: relative;
  max-width: 500px;
  margin: 0 auto;
}

.charts-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin: 2rem 0;
}

#network-graph {
  width: 100%;
  min-height: 500px;
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  margin: 2rem 0;
  overflow: hidden;
}

#network-graph svg {
  width: 100%;
  height: 100%;
}

/* ---- Counter Animation ---- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.stat-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-number.green { color: var(--accent-attention); }
.stat-number.red { color: var(--accent-reaction); }
.stat-number.cyan { color: var(--accent-amplification); }
.stat-number.orange { color: var(--accent-rejection); }
.stat-number.purple { color: var(--accent-highlight); }

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---- Signal Deep Dive Cards ---- */
.signal-deep-dive {
  background: var(--bg-secondary);
  border-left: 3px solid var(--accent-attention);
  border-radius: 0 12px 12px 0;
  padding: 1.5rem 2rem;
  margin: 1.5rem 0;
}

.signal-deep-dive h4 {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent-attention);
  margin-bottom: 0.5rem;
}

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

.signal-deep-dive .weight-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  background: rgba(0, 255, 136, 0.1);
  color: var(--accent-attention);
  text-transform: uppercase;
  margin-left: 0.75rem;
  letter-spacing: 0.5px;
}

/* ---- Conclusion Box ---- */
.conclusion-box {
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.05), rgba(124, 77, 255, 0.05));
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  padding: 2.5rem;
  margin: 3rem 0;
  text-align: center;
}

.conclusion-box .quote {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--accent-attention);
  font-weight: 700;
  margin-bottom: 1rem;
}

/* ---- Footer ---- */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 3rem 2rem;
  text-align: center;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

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

/* ---- Scroll Animations ---- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .nav { padding: 0.75rem 1rem; }
  .nav-links { gap: 1rem; }
  .nav-links a { font-size: 0.75rem; }

  .hero { padding: 5rem 1.5rem 3rem; }

  .section { padding: 3rem 1.5rem; }

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

  .charts-row {
    grid-template-columns: 1fr;
  }

  .signals-table {
    font-size: 0.85rem;
  }

  .signals-table td,
  .signals-table th {
    padding: 0.6rem 0.5rem;
  }

  .signals-table .hide-mobile {
    display: none;
  }

  .stats-row {
    grid-template-columns: 1fr 1fr;
  }

  .article-content h2 { font-size: 1.3rem; }

  #network-graph { min-height: 350px; }
}

@media (max-width: 480px) {
  .glitch-title { letter-spacing: 3px; }
  .nav-links { gap: 0.75rem; }
  .stats-row { grid-template-columns: 1fr; }
  .article-card { padding: 1.5rem; }
}