@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@300;400;500;600&family=IBM+Plex+Sans:wght@300;400;500;600&display=swap');

/* ═══════════════════════════════════════════
   BLOOMBERG TERMINAL++ DESIGN SYSTEM
   ═══════════════════════════════════════════ */

:root {
  --bg-deep: #060a12;
  --bg-primary: #0a0e17;
  --bg-surface: #111827;
  --bg-elevated: #1a2235;
  --bg-hover: #1e2a3f;
  --bg-glass: rgba(17, 24, 39, 0.7);

  --green: #00dc82;
  --green-dim: #00dc8220;
  --green-glow: 0 0 20px #00dc8233, 0 0 60px #00dc8211;
  --blue: #3b82f6;
  --blue-dim: #3b82f618;
  --red: #ef4444;
  --amber: #f59e0b;
  --cyan: #22d3ee;

  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #475569;
  --text-inverse: #0a0e17;

  --border: #1e293b;
  --border-active: #334155;
  --border-glow: rgba(0, 220, 130, 0.3);

  --font-display: 'Outfit', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  --max-width: 1200px;
  --nav-height: 56px;
  --radius: 8px;
}

/* ═══ RESET ═══ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

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

/* Scanline overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 0, 0, 0.02) 2px, rgba(0, 0, 0, 0.02) 4px);
  pointer-events: none;
  z-index: 9999;
}

a { color: var(--green); text-decoration: none; transition: all 0.25s ease; }
a:hover { opacity: 0.85; }
img { max-width: 100%; display: block; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-lg); }
.mono { font-family: var(--font-mono); }
.text-green { color: var(--green); }
.text-blue { color: var(--blue); }
.text-red { color: var(--red); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }

/* ═══ NAVIGATION ═══ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(6, 10, 18, 0.85);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  z-index: 100;
  backdrop-filter: blur(16px) saturate(1.2);
}

.nav .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }

.nav-brand {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--green);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-brand .dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--green), 0 0 16px rgba(0, 220, 130, 0.3);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 8px var(--green), 0 0 16px rgba(0, 220, 130, 0.3); }
  50% { box-shadow: 0 0 4px var(--green), 0 0 8px rgba(0, 220, 130, 0.15); }
}

.nav-links { display: flex; gap: var(--space-lg); list-style: none; align-items: center; }

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-xs) 0;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  transition: width 0.3s ease;
}

.nav-links a:hover { color: var(--text-primary); opacity: 1; }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--green); }
.nav-links a.active::after { width: 100%; }

.nav-github {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: var(--radius);
  font-size: 0.8rem;
  color: var(--text-primary) !important;
  transition: all 0.25s ease;
}

.nav-github:hover {
  border-color: var(--green);
  background: var(--bg-elevated);
  box-shadow: 0 0 12px rgba(0, 220, 130, 0.15);
}

/* ═══ HERO ═══ */
.hero {
  padding: calc(var(--nav-height) + var(--space-3xl)) 0 var(--space-3xl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 700px;
  background: radial-gradient(ellipse, rgba(0, 220, 130, 0.12) 0%, rgba(34, 211, 238, 0.04) 40%, transparent 70%);
  pointer-events: none;
  animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% { opacity: 0.8; transform: translateX(-50%) scale(1); }
  100% { opacity: 1; transform: translateX(-50%) scale(1.1); }
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 220, 130, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 220, 130, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 0%, black 20%, transparent 75%);
  animation: gridShift 20s linear infinite;
}

@keyframes gridShift {
  0% { background-position: 0 0; }
  100% { background-position: 60px 60px; }
}

.hero-content { position: relative; text-align: center; max-width: 800px; margin: 0 auto; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--green);
  background: var(--green-dim);
  border: 1px solid rgba(0, 220, 130, 0.25);
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: var(--space-xl);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  animation: fadeInUp 0.6s ease both;
  backdrop-filter: blur(8px);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.6s 0.1s ease both;
}

.hero h1 .accent {
  background: linear-gradient(135deg, var(--green), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto var(--space-xl);
  line-height: 1.7;
  animation: fadeInUp 0.6s 0.2s ease both;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s 0.3s ease both;
}

.btn {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 12px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.btn:hover { border-color: var(--border-active); background: var(--bg-elevated); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.3); }
.btn-primary { background: var(--green); color: var(--text-inverse); border-color: var(--green); box-shadow: 0 0 20px rgba(0, 220, 130, 0.2); }
.btn-primary:hover { background: #00c574; opacity: 1; box-shadow: 0 0 30px rgba(0, 220, 130, 0.35); transform: translateY(-2px); }

/* ═══ TICKER TAPE ═══ */
.ticker-tape {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-primary);
  padding: 10px 0;
  overflow: hidden;
  white-space: nowrap;
  position: relative;
}

.ticker-tape::before, .ticker-tape::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}

.ticker-tape::before { left: 0; background: linear-gradient(90deg, var(--bg-primary), transparent); }
.ticker-tape::after { right: 0; background: linear-gradient(270deg, var(--bg-primary), transparent); }

.ticker-track { display: inline-flex; animation: scroll-tape 30s linear infinite; gap: var(--space-2xl); }

.ticker-item {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-feature-settings: 'tnum';
}

.ticker-item .symbol { color: var(--text-primary); font-weight: 600; }
.ticker-item .price { color: var(--text-secondary); }
.ticker-item .up { color: var(--green); text-shadow: 0 0 8px rgba(0, 220, 130, 0.3); }
.ticker-item .down { color: var(--red); text-shadow: 0 0 8px rgba(239, 68, 68, 0.3); }

@keyframes scroll-tape {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ═══ SECTIONS ═══ */
.section {
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--border);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-sm);
  text-shadow: 0 0 12px rgba(0, 220, 130, 0.3);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

.section-desc {
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: var(--space-2xl);
}

/* ═══ BENTO GRID — CAPABILITIES ═══ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: var(--space-md);
}

.feature-card {
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  padding: var(--space-xl);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.35s ease;
}

/* Bento sizing — first row 2 wide cards, second row 3 */
.feature-card:nth-child(1) { grid-column: span 2; }
.feature-card:nth-child(2) { grid-column: span 1; }

/* Hover glow effect */
.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(135deg, transparent, transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  transition: background 0.35s ease;
  pointer-events: none;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 220, 130, 0.08);
}

.feature-card:hover::before {
  background: linear-gradient(135deg, var(--green), var(--cyan), transparent, transparent);
}

/* Stock chart background pattern */
.feature-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 120px;
  height: 60px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 60'%3E%3Cpolyline fill='none' stroke='%2300dc8215' stroke-width='1.5' points='0,45 15,42 30,38 45,40 60,30 75,25 90,28 105,18 120,15'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: bottom right;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.feature-card:hover::after { opacity: 1; }

.feature-icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-dim);
  border: 1px solid rgba(0, 220, 130, 0.2);
  border-radius: 10px;
  transition: all 0.25s ease;
}

.feature-card:hover .feature-icon {
  box-shadow: 0 0 16px rgba(0, 220, 130, 0.25);
  border-color: rgba(0, 220, 130, 0.4);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ═══ ARCHITECTURE DIAGRAM ═══ */
.diagram-frame {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-primary);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(0, 220, 130, 0.05);
}

.diagram-frame img,
.diagram-frame object {
  width: 100%;
  object-fit: contain;
}

/* ═══ USE CASES ═══ */
.use-case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.use-case-card {
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
  transition: all 0.35s ease;
}

.use-case-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--green), var(--cyan));
  border-radius: 3px 0 0 3px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.use-case-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-glow);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.use-case-card:hover::before { opacity: 1; }

.use-case-question {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--amber);
  margin-bottom: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: rgba(245, 158, 11, 0.08);
  border-radius: 4px;
  border-left: 2px solid var(--amber);
}

.use-case-result {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.9;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-word;
}

.use-case-result .header-row { color: var(--text-muted); }
.use-case-result .data-row span { color: var(--text-primary); }

/* ═══ TECH STACK ═══ */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: var(--space-md);
}

.tech-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  transition: all 0.25s ease;
}

.tech-item:hover {
  border-color: var(--border-active);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.tech-item img { width: 28px; height: 28px; object-fit: contain; }
.tech-item .tech-name { font-family: var(--font-display); font-weight: 500; font-size: 0.95rem; }
.tech-item .tech-role { font-size: 0.75rem; color: var(--text-muted); }

/* ═══ CODE BLOCK ═══ */
.code-block {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  overflow-x: auto;
  position: relative;
}

.code-block::before {
  content: attr(data-lang);
  position: absolute;
  top: 10px;
  right: 14px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.code-block code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.code-block .cmd { color: var(--green); }
.code-block .comment { color: var(--text-muted); }
.code-block .flag { color: var(--cyan); }

/* ═══ STATS ROW ═══ */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.stat-card {
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-lg) var(--space-xl);
  text-align: center;
  transition: all 0.25s ease;
}

.stat-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), 0 0 12px rgba(0, 220, 130, 0.06);
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 600;
  color: var(--green);
  line-height: 1;
  margin-bottom: var(--space-xs);
  font-feature-settings: 'tnum';
  text-shadow: 0 0 20px rgba(0, 220, 130, 0.2);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ═══ FOOTER ═══ */
.footer {
  border-top: 1px solid var(--border);
  padding: var(--space-2xl) 0;
  text-align: center;
}

.footer-content {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ═══ DASHBOARD ═══ */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-md);
}

.card {
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  transition: all 0.25s ease;
}

.card:hover {
  border-color: var(--border-active);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border);
}

.card-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.card-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 3px 10px;
  background: var(--green-dim);
  color: var(--green);
  border-radius: 4px;
  border: 1px solid rgba(0, 220, 130, 0.15);
}

.card-full { grid-column: 1 / -1; }

.data-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }

.data-table th {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-align: left;
  padding: var(--space-sm);
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: var(--space-sm);
  border-bottom: 1px solid rgba(30, 41, 59, 0.4);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-feature-settings: 'tnum';
}

.data-table tr { transition: background 0.15s ease; }
.data-table tr:hover { background: rgba(0, 220, 130, 0.03); }
.data-table .ticker-cell { font-weight: 600; color: var(--text-primary); }
.data-table .positive { color: var(--green); }
.data-table .negative { color: var(--red); }

.chart-container { position: relative; height: 280px; }

/* ═══ ANIMATIONS ═══ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger children */
.fade-in:nth-child(1) { transition-delay: 0s; }
.fade-in:nth-child(2) { transition-delay: 0.08s; }
.fade-in:nth-child(3) { transition-delay: 0.16s; }
.fade-in:nth-child(4) { transition-delay: 0.24s; }
.fade-in:nth-child(5) { transition-delay: 0.32s; }
.fade-in:nth-child(6) { transition-delay: 0.4s; }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero { padding-top: calc(var(--nav-height) + var(--space-2xl)); }
  .hero h1 { font-size: 2.2rem; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; }
  .features-grid .feature-card:nth-child(1) { grid-column: span 1; }
  .use-case-grid { grid-template-columns: 1fr; }
  .footer-content { flex-direction: column; gap: var(--space-md); }
  .dashboard-grid { grid-template-columns: 1fr; }
}