:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #16161f;
  --fg-primary: #ffffff;
  --fg-secondary: #a0a0b0;
  --fg-muted: #606070;
  --accent: #00D4FF;
  --accent-dim: rgba(0, 212, 255, 0.1);
  --accent-glow: rgba(0, 212, 255, 0.2);
  --success: #00E676;
  --warning: #FFB300;
  --error: #FF5252;
  --border: rgba(255, 255, 255, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--fg-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  line-height: 1.2;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 18px;
}

nav {
  display: flex;
  gap: 32px;
}

nav a {
  color: var(--fg-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

nav a:hover {
  color: var(--fg-primary);
}

/* Hero */
.hero {
  position: relative;
  padding: 160px 0 100px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.4;
}

.hero-content {
  position: relative;
  max-width: 720px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--accent-dim);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 56px;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero .lede {
  font-size: 20px;
  color: var(--fg-secondary);
  margin-bottom: 48px;
  max-width: 560px;
}

.hero-visual {
  display: flex;
  gap: 16px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  min-width: 140px;
}

.metric-label {
  font-size: 12px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.metric-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 4px;
}

.metric-value.success { color: var(--success); }
.metric-value.warning { color: var(--warning); }

.metric-change {
  font-size: 12px;
  color: var(--success);
}

.metric-change.neutral { color: var(--fg-muted); }

/* Features */
.features {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header h2 {
  font-size: 40px;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 18px;
  color: var(--fg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-dim);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 15px;
  color: var(--fg-secondary);
  line-height: 1.6;
}

/* How It Works */
.how-it-works {
  padding: 100px 0;
}

.how-it-works .section-header {
  text-align: left;
  margin-bottom: 56px;
}

.steps {
  display: flex;
  align-items: center;
  gap: 24px;
}

.step {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
}

.step-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.3;
  margin-bottom: 16px;
}

.step-content h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.step-content p {
  font-size: 15px;
  color: var(--fg-secondary);
}

.step-arrow {
  flex-shrink: 0;
}

/* Closing */
.closing {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.closing-content {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.closing h2 {
  font-size: 40px;
  margin-bottom: 16px;
}

.closing p {
  font-size: 18px;
  color: var(--fg-secondary);
  margin-bottom: 48px;
}

.closing-visual {
  display: flex;
  justify-content: center;
}

.terminal {
  background: #0d0d12;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  width: 100%;
  max-width: 520px;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--fg-muted);
}

.dot:nth-child(1) { background: #FF5F57; }
.dot:nth-child(2) { background: #FFBD2E; }
.dot:nth-child(3) { background: #28CA41; }

.terminal-title {
  margin-left: 8px;
  font-size: 13px;
  color: var(--fg-muted);
}

.terminal-body {
  padding: 20px;
  font-family: 'Space Grotesk', monospace;
  font-size: 14px;
}

.terminal-line {
  margin-bottom: 8px;
  display: flex;
  align-items: center;
}

.prompt {
  color: var(--accent);
  margin-right: 8px;
}

.muted { color: var(--fg-muted); }
.success { color: var(--success); }
.warning { color: var(--warning); }

.cursor {
  background: var(--accent);
  color: var(--bg-primary);
  padding: 0 4px;
  animation: blink 1s infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* Footer */
.site-footer {
  padding: 64px 0 32px;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  margin-bottom: 48px;
}

.footer-brand {
  max-width: 280px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--fg-muted);
}

.footer-links {
  display: flex;
  gap: 64px;
}

.footer-col h4 {
  font-size: 14px;
  margin-bottom: 16px;
  color: var(--fg-primary);
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--fg-muted);
  text-decoration: none;
  margin-bottom: 8px;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--fg-primary);
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--fg-muted);
}

/* Responsive */
@media (max-width: 900px) {
  .hero h1 { font-size: 40px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); }
  .footer-content { flex-direction: column; gap: 48px; }
}

@media (max-width: 600px) {
  .hero { padding: 120px 0 80px; }
  .hero h1 { font-size: 32px; }
  .hero .lede { font-size: 17px; }
  .hero-visual { flex-direction: column; }
  .features-grid { grid-template-columns: 1fr; }
  nav { display: none; }
  .section-header h2 { font-size: 32px; }
  .closing h2 { font-size: 32px; }
}