:root {
  --bg: #0a0a0b;
  --surface: #111113;
  --surface-2: #1a1a1d;
  --border: #2a2a2e;
  --text: #fafafa;
  --text-2: #a0a0a5;
  --text-3: #606065;
  --accent: #6366f1;
  --accent-2: #818cf8;
  --green: #22c55e;
  --amber: #f59e0b;
}

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

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

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', 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: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}

.nav-tagline {
  font-size: 14px;
  color: var(--text-3);
}

/* Hero */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 120px 32px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-eyebrow {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-headline {
  font-size: clamp(36px, 5vw, 56px);
  color: var(--text);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 18px;
  color: var(--text-2);
  max-width: 480px;
  line-height: 1.7;
}

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

.dashboard-mock {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 100%;
  max-width: 420px;
  overflow: hidden;
}

.mock-header {
  background: var(--surface-2);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}

.mock-dots {
  display: flex;
  gap: 6px;
}

.mock-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
}

.mock-title {
  font-size: 13px;
  color: var(--text-2);
}

.mock-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mock-task {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--surface-2);
  border-radius: 8px;
  font-size: 13px;
}

.mock-task.completed {
  opacity: 0.6;
}

.task-check {
  color: var(--green);
  font-weight: 600;
}

.task-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.task-name {
  flex: 1;
  color: var(--text);
}

.task-ai {
  font-size: 10px;
  color: var(--accent);
  background: rgba(99, 102, 241, 0.15);
  padding: 2px 6px;
  border-radius: 4px;
}

.task-status {
  font-size: 11px;
  color: var(--amber);
}

/* Problem Section */
.problem {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 100px 32px;
}

.problem-content {
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  margin-bottom: 16px;
}

.problem-headline {
  font-size: clamp(28px, 4vw, 40px);
  color: var(--text);
  max-width: 600px;
  margin-bottom: 60px;
}

.problem-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 56px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-2);
  max-width: 200px;
}

/* Solution Section */
.solution {
  padding: 100px 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.solution-headline {
  font-size: clamp(28px, 4vw, 40px);
  color: var(--text);
  max-width: 600px;
  margin-bottom: 20px;
}

.solution-desc {
  font-size: 18px;
  color: var(--text-2);
  max-width: 600px;
  margin-bottom: 60px;
  line-height: 1.7;
}

.solution-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.pillar {
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
}

.pillar-icon {
  font-size: 28px;
  color: var(--accent);
  margin-bottom: 16px;
}

.pillar-title {
  font-size: 18px;
  color: var(--text);
  margin-bottom: 8px;
}

.pillar-desc {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
}

/* Features Section */
.features {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 100px 32px;
}

.features-header {
  max-width: 1200px;
  margin: 0 auto 60px;
}

.features-headline {
  font-size: clamp(28px, 4vw, 40px);
  color: var(--text);
}

.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature {
  padding: 28px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.feature-icon {
  font-size: 24px;
  color: var(--accent-2);
  margin-bottom: 16px;
}

.feature-title {
  font-size: 16px;
  color: var(--text);
  margin-bottom: 8px;
}

.feature-desc {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
}

/* Closing Section */
.closing {
  padding: 100px 32px;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.closing-headline {
  font-size: clamp(32px, 5vw, 48px);
  color: var(--text);
  max-width: 700px;
  margin: 0 auto 20px;
}

.closing-sub {
  font-size: 18px;
  color: var(--text-2);
  max-width: 500px;
  margin: 0 auto 60px;
  line-height: 1.7;
}

.closing-visual {
  display: flex;
  justify-content: center;
  gap: 80px;
}

.metric-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.metric-label {
  font-size: 14px;
  color: var(--text-2);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 60px 32px;
  text-align: center;
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--text-2);
  margin-bottom: 16px;
}

.footer-meta {
  font-size: 12px;
  color: var(--text-3);
}

/* Responsive */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
    padding-top: 100px;
  }

  .hero-sub {
    margin: 0 auto;
  }

  .hero-visual {
    order: -1;
  }

  .dashboard-mock {
    max-width: 360px;
  }

  .problem-stats {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .solution-pillars {
    grid-template-columns: 1fr;
  }

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

  .closing-visual {
    flex-direction: column;
    gap: 32px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 80px 20px 60px;
  }

  .nav-inner {
    padding: 12px 20px;
  }

  .problem, .solution, .features, .closing, .footer {
    padding-left: 20px;
    padding-right: 20px;
  }

  .mock-content {
    padding: 16px;
  }
}