:root {
  --bg: #0a0a0f;
  --bg-secondary: #141420;
  --accent: #ff6b35;
  --accent-dim: rgba(255, 107, 53, 0.15);
  --text: #ffffff;
  --text-muted: #8888a0;
  --border: #1e1e2e;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 4rem;
  overflow: hidden;
}
.hero-grid {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
  margin-bottom: 1.5rem;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}
.hero-sub {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 3rem;
  line-height: 1.7;
}
.hero-bg-pattern {
  position: absolute;
  top: 0;
  right: -10%;
  width: 60%;
  height: 100%;
  background: radial-gradient(ellipse at center, rgba(255, 107, 53, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

/* Workflow Demo */
.workflow-demo {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 2rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: fit-content;
}
.workflow-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  min-width: 100px;
}
.node-trigger { border-color: #4ade80; }
.node-ai { border-color: var(--accent); }
.node-action { border-color: #60a5fa; }
.node-icon {
  font-size: 1.25rem;
  opacity: 0.8;
}
.node-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.workflow-arrow {
  color: var(--text-muted);
  font-size: 1.5rem;
}

/* Features */
.features {
  padding: 6rem 2rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.features-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem 6rem;
}
.feature {
  position: relative;
}
.feature-number {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}
.feature-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.feature-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* How It Works */
.how-it-works {
  padding: 6rem 2rem;
}
.how-inner {
  max-width: 900px;
  margin: 0 auto;
}
.how-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 4rem;
}
.how-steps {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}
.step {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}
.step-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  min-width: 3rem;
}
.step-content h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.step-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Closing */
.closing {
  padding: 8rem 2rem;
  text-align: center;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-secondary) 100%);
}
.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}
.closing-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Footer */
.footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
}
.footer-tagline {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .hero { padding: 6rem 1.5rem 3rem; }
  .features-inner { grid-template-columns: 1fr; gap: 2rem; }
  .how-inner { padding: 0; }
  .step { gap: 1.5rem; }
  .workflow-demo { flex-wrap: wrap; justify-content: center; }
  .footer-inner { flex-direction: column; gap: 0.5rem; text-align: center; }
}