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

:root {
  --bg: #080c10;
  --surface: #0f1419;
  --surface-alt: #131a22;
  --border: #1e2a38;
  --text: #e4eaf2;
  --text-muted: #6d7f96;
  --accent: #00e87b;
  --accent-dim: #00e87b22;
  --accent-glow: #00e87b44;
  --warn: #ff8c42;
  --red: #ff4757;
  --font-display: 'Bricolage Grotesque', system-ui, sans-serif;
  --font-mono: 'Fragment Mono', 'Courier New', monospace;
}

html {
  scroll-behavior: smooth;
}

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

.mono {
  font-family: var(--font-mono);
  font-size: 0.85em;
  letter-spacing: 0.02em;
}

/* Atmospheric layers */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.grid-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.15;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black, transparent);
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 3rem;
  background: linear-gradient(to bottom, var(--bg) 60%, transparent);
  backdrop-filter: blur(8px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
  font-size: 1.25rem;
}

.logo-mark {
  color: var(--accent);
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.2s;
}

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

.nav-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.75rem;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

/* Hero */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 8rem 3rem 4rem;
  max-width: 1400px;
  margin: 0 auto;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.75rem;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
  position: relative;
}

.hero-desc {
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 520px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.btn {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.25s;
}

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

.btn-primary:hover {
  box-shadow: 0 0 30px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text);
}

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

.hero-stats {
  display: flex;
  gap: 3rem;
}

.hero-stats dt {
  color: var(--text-muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.25rem;
}

.hero-stats dd {
  font-weight: 600;
  font-size: 1rem;
}

/* Hero visual */
.hero-visual {
  position: relative;
}

.terminal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 24px 80px #00000066;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.75rem 1rem;
  background: var(--surface-alt);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red { background: var(--red); }
.dot.yellow { background: var(--warn); }
.dot.green { background: var(--accent); }

.terminal-title {
  margin-left: auto;
  color: var(--text-muted);
  font-size: 0.7rem;
}

.terminal-body {
  padding: 1.25rem;
  min-height: 280px;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.terminal-body .line {
  opacity: 0;
  animation: fadeIn 0.3s forwards;
}

.terminal-body .prompt { color: var(--accent); }
.terminal-body .symbol { color: var(--warn); }
.terminal-body .action { color: #6eb5ff; }
.terminal-body .dim { color: #4a5568; }

@keyframes fadeIn {
  to { opacity: 1; }
}

#chart {
  position: absolute;
  bottom: -40px;
  right: -20px;
  width: 200px;
  height: 80px;
  opacity: 0.6;
  pointer-events: none;
}

/* Sections */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 3rem;
}

.section-alt {
  background: var(--surface);
  max-width: none;
}

.section-alt > * {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.section-label {
  color: var(--accent);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

.section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.section-intro {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 640px;
  margin-bottom: 3rem;
}

/* Architecture */
.arch-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: start;
  margin-bottom: 3rem;
}

.arch-node {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.75rem;
  transition: border-color 0.3s;
}

.arch-node:hover {
  border-color: var(--accent);
}

.arch-icon {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.arch-node h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.arch-node p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.arch-connector {
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--border), var(--accent), var(--border));
  align-self: center;
  margin-top: 2rem;
}

.arch-diagram {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
  overflow-x: auto;
}

.diagram-code {
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.diagram-code .accent {
  color: var(--accent);
}

/* Capabilities */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.cap-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
  transition: transform 0.3s, border-color 0.3s;
}

.cap-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.cap-num {
  color: var(--accent);
  font-size: 0.7rem;
  display: block;
  margin-bottom: 1rem;
}

.cap-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.75rem;
}

.cap-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Security */
.security-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.sec-item {
  padding: 1.75rem;
  border-left: 2px solid var(--accent);
  background: var(--surface-alt);
}

.sec-item h3 {
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.sec-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.sec-item code {
  background: var(--accent-dim);
  color: var(--accent);
  padding: 0.1em 0.4em;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.85em;
}

/* Markets */
.markets-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.market-tag {
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all 0.2s;
}

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

.ticker-strip {
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.ticker-track {
  display: flex;
  gap: 3rem;
  white-space: nowrap;
  animation: scroll 40s linear infinite;
}

.ticker-item {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.ticker-item .sym {
  color: var(--text);
  font-weight: 600;
  margin-right: 0.5rem;
}

.ticker-item .up { color: var(--accent); }
.ticker-item .down { color: var(--red); }

@keyframes scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* CTA */
.cta-section {
  padding: 4rem 3rem 6rem;
}

.cta-box {
  text-align: center;
  padding: 4rem 2rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: linear-gradient(135deg, var(--surface-alt), var(--bg));
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 50%, var(--accent-dim), transparent 50%);
  pointer-events: none;
}

.cta-box h2 {
  position: relative;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 1rem;
}

.cta-box p {
  position: relative;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.cta-meta {
  position: relative;
  color: var(--text-muted);
  font-size: 0.8rem;
  display: flex;
  justify-content: center;
  gap: 0.75rem;
}

/* Footer */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 3rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-note {
  font-size: 0.75rem;
}

/* Responsive */
@media (max-width: 960px) {
  .nav {
    padding: 1rem 1.5rem;
  }

  .nav-links {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding: 7rem 1.5rem 3rem;
  }

  .hero-visual {
    order: -1;
  }

  .arch-flow {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .arch-connector {
    width: 2px;
    height: 30px;
    margin: 0 auto;
  }

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

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

  .section {
    padding: 4rem 1.5rem;
  }

  .footer {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}