:root {
  --bg: #0a0a0b;
  --bg-elevated: #111113;
  --bg-card: #18181b;
  --fg: #fafafa;
  --fg-muted: #a1a1aa;
  --fg-subtle: #71717a;
  --accent: #22d3ee;
  --accent-glow: rgba(34, 211, 238, 0.15);
  --border: #27272a;
  --success: #22c55e;
  --warning: #eab308;
}

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

body {
  font-family: 'Manrope', sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 11, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.02em;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 8rem 2rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.hero-headline {
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--fg) 0%, var(--fg-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.125rem;
  color: var(--fg-muted);
  max-width: 480px;
  line-height: 1.7;
}

/* Dashboard Mock */
.dashboard-mock {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 0 1px var(--border);
}

.mock-header {
  padding: 1rem;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 0.5rem;
}

.mock-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.mock-dot.red { background: #ef4444; }
.mock-dot.yellow { background: #eab308; }
.mock-dot.green { background: #22c55e; }

.mock-content { padding: 1.5rem; }

.mock-task {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--bg-card);
  border-radius: 8px;
  margin-bottom: 0.75rem;
}

.mock-task.active {
  border: 1px solid var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
}

.mock-task.completed { opacity: 0.5; }

.task-check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--fg-subtle);
}

.mock-task.completed .task-check {
  background: var(--success);
  border-color: var(--success);
}

.task-text {
  flex: 1;
  font-size: 0.875rem;
}

.task-ai {
  font-size: 0.625rem;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.task-priority {
  font-size: 0.625rem;
  color: #ef4444;
  background: rgba(239, 68, 68, 0.15);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.mock-insight {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: linear-gradient(135deg, var(--accent-glow), transparent);
  border: 1px solid var(--accent);
  border-radius: 8px;
  margin-top: 1rem;
}

.insight-icon { font-size: 1.25rem; }
.insight-text { font-size: 0.8rem; color: var(--fg-muted); }

/* Features Section */
.features {
  padding: 6rem 2rem;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 1rem;
  text-align: center;
}

.section-headline {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 4rem;
  letter-spacing: -0.02em;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: all 0.3s ease;
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent);
}

.feature-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* How It Works */
.how-it-works {
  padding: 6rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.steps {
  display: flex;
  gap: 2rem;
  margin-top: 4rem;
}

.step {
  flex: 1;
  padding: 2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  position: relative;
}

.step-number {
  font-family: 'Outfit', sans-serif;
  font-size: 4rem;
  font-weight: 700;
  color: var(--border);
  line-height: 1;
  margin-bottom: 1.5rem;
}

.step h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.step p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* Closing */
.closing {
  padding: 8rem 2rem;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-elevated) 100%);
  text-align: center;
}

.closing-inner {
  max-width: 800px;
  margin: 0 auto;
}

.closing h2 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.closing-sub {
  font-size: 1.125rem;
  color: var(--fg-muted);
  margin-bottom: 3rem;
}

.closing-visual {
  display: flex;
  justify-content: center;
  gap: 4rem;
}

.metric {
  text-align: center;
}

.metric-value {
  font-family: 'Outfit', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.metric-label {
  font-size: 0.875rem;
  color: var(--fg-muted);
}

/* Footer */
.footer {
  padding: 4rem 2rem 2rem;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 4rem;
}

.footer-logo {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.footer-tagline {
  color: var(--fg-muted);
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  gap: 4rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-subtle);
  margin-bottom: 0.25rem;
}

.footer-col a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 3rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--fg-subtle);
}

/* Responsive */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .hero { grid-template-columns: 1fr; text-align: center; }
  .hero-headline { font-size: 2.5rem; }
  .hero-sub { margin: 0 auto 3rem; }
  .closing-visual { flex-direction: column; gap: 2rem; }
}

@media (max-width: 640px) {
  .hero-headline { font-size: 2rem; }
  .section-headline { font-size: 1.75rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .steps { flex-direction: column; }
  .footer-inner { flex-direction: column; gap: 2rem; }
  .footer-links { flex-direction: column; gap: 2rem; }
  .closing h2 { font-size: 2rem; }
  .metric-value { font-size: 2rem; }
}