@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #161f33;
  --text-primary: #e8ecf4;
  --text-secondary: #8b95a8;
  --accent: #00e599;
  --accent-dim: rgba(0, 229, 153, 0.12);
  --accent-glow: rgba(0, 229, 153, 0.25);
  --grid-line: rgba(0, 229, 153, 0.06);
  --border: rgba(139, 149, 168, 0.12);
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

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

/* Grid background */
.grid-bg {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.grid-bg::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 600px;
  background: radial-gradient(ellipse at 50% 0%, var(--accent-glow) 0%, transparent 60%);
  pointer-events: none;
}

section { position: relative; z-index: 1; }

/* Hero */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 120px 24px 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--accent-dim);
  border: 1px solid rgba(0, 229, 153, 0.2);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 32px;
  letter-spacing: 0.05em;
}

.hero-badge .pulse {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--accent-glow); }
  50% { opacity: 0.7; box-shadow: 0 0 0 8px transparent; }
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  max-width: 800px;
  margin-bottom: 24px;
}

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

.hero .lede {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
}

/* Status bar */
.status-bar {
  margin-top: 56px;
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

/* Features */
.features {
  padding: 80px 24px 100px;
  max-width: 1100px;
  margin: 0 auto;
}

.features-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.features h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 60px;
  max-width: 600px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 28px;
  transition: border-color 0.3s;
}

.feature-card:hover {
  border-color: rgba(0, 229, 153, 0.3);
}

.feature-icon {
  width: 44px; height: 44px;
  background: var(--accent-dim);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* How it works */
.how-it-works {
  padding: 80px 24px 100px;
  max-width: 900px;
  margin: 0 auto;
}

.how-it-works .features-label { margin-bottom: 16px; }

.how-it-works h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: flex;
  gap: 28px;
  padding: 32px 0;
  border-top: 1px solid var(--border);
}

.step-number {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  flex-shrink: 0;
  padding-top: 2px;
}

.step h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Closing */
.closing {
  padding: 100px 24px 120px;
  text-align: center;
}

.closing h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  max-width: 700px;
  margin: 0 auto 20px;
}

.closing p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  text-align: center;
}

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

.footer-brand {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.footer-note {
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* Responsive */
@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
  .status-bar {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }
  .footer-inner {
    flex-direction: column;
    gap: 12px;
  }
  .hero { min-height: 80vh; padding: 100px 20px 60px; }
}

@media (max-width: 480px) {
  .step { flex-direction: column; gap: 8px; }
}