:root {
  --bg-primary: #0a0e0a;
  --bg-secondary: #111611;
  --bg-card: #161b16;
  --bg-terminal: #0d120d;
  --fg-primary: #e8ede8;
  --fg-secondary: #8a9a8a;
  --fg-dim: #566056;
  --accent: #39ff14;
  --accent-dim: rgba(57, 255, 20, 0.15);
  --accent-glow: rgba(57, 255, 20, 0.3);
  --border: #1e2a1e;
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
}

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

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  padding: 6rem 6rem 4rem;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-dim) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  background: var(--accent-dim);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero h1 .accent {
  color: var(--accent);
  text-shadow: 0 0 40px var(--accent-glow);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-secondary);
  max-width: 480px;
  line-height: 1.7;
}

/* Terminal */
.hero-terminal {
  background: var(--bg-terminal);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5), 0 0 60px var(--accent-dim);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.2rem;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green { background: #28ca41; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-dim);
  margin-left: auto;
}

.terminal-body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 2;
}

.terminal-line {
  color: var(--fg-primary);
}

.terminal-line.dim {
  color: var(--fg-dim);
}

.term-prompt {
  color: var(--accent);
  margin-right: 0.5rem;
}

.term-green {
  color: var(--accent);
  font-weight: 500;
}

.cursor {
  color: var(--accent);
  animation: blink 1s step-end infinite;
}

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

/* ===== PROBLEM ===== */
.problem {
  padding: 8rem 6rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.problem-inner {
  max-width: 720px;
}

.problem h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.problem p {
  font-size: 1.1rem;
  color: var(--fg-secondary);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.problem-kicker {
  color: var(--accent) !important;
  font-weight: 600;
  font-size: 1.2rem !important;
  margin-top: 1.5rem;
}

/* ===== FEATURES ===== */
.features {
  padding: 8rem 6rem;
}

.features-header {
  margin-bottom: 4rem;
}

.features-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.features-sub {
  color: var(--fg-secondary);
  font-size: 1.1rem;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(57, 255, 20, 0.3);
  box-shadow: 0 0 30px var(--accent-dim);
}

.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 1.2rem;
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.feature-card p {
  color: var(--fg-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== NUMBERS ===== */
.numbers {
  padding: 6rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.numbers-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  text-align: center;
}

.stat-value {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--accent);
  text-shadow: 0 0 30px var(--accent-glow);
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--fg-secondary);
  font-size: 0.95rem;
  max-width: 240px;
  margin: 0 auto;
}

/* ===== CLOSING ===== */
.closing {
  padding: 10rem 6rem;
  text-align: center;
}

.closing-inner {
  max-width: 680px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.closing p {
  color: var(--fg-secondary);
  font-size: 1.1rem;
  line-height: 1.8;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 3rem 6rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.footer-tagline {
  color: var(--fg-dim);
  font-size: 0.85rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 4rem 2rem;
    min-height: auto;
    gap: 3rem;
  }
  
  .hero::before {
    width: 300px;
    height: 300px;
    top: -100px;
    right: -100px;
  }
  
  .problem,
  .features,
  .closing {
    padding: 5rem 2rem;
  }
  
  .numbers {
    padding: 4rem 2rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .numbers-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .site-footer {
    padding: 2rem;
  }
  
  .footer-inner {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 3rem 1.5rem;
  }
  
  .problem,
  .features,
  .closing {
    padding: 4rem 1.5rem;
  }
  
  .numbers {
    padding: 3rem 1.5rem;
  }
  
  .feature-card {
    padding: 1.8rem;
  }
  
  .terminal-body {
    font-size: 0.72rem;
    padding: 1rem;
  }
}