:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #1a1a25;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --accent: #f59e0b;
  --accent-glow: rgba(245, 158, 11, 0.15);
  --accent-dim: #b45309;
  --red-muted: #6b2a2a;
  --green-muted: #1a3a2a;
  --green-text: #4ade80;
  --red-text: #f87171;
  --border: #2a2a3a;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Space Grotesk', -apple-system, sans-serif;
}

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

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

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

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  padding: 0.4rem 1.2rem;
  border-radius: 100px;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 3rem;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.stat { text-align: center; }

.stat-value {
  display: block;
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 600;
  color: var(--accent);
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-top: 0.3rem;
  letter-spacing: 0.02em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ---- HERO CTA ---- */
.hero-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 3.5rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 2rem;
  background: var(--accent);
  color: #000;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s;
  box-shadow: 0 0 30px rgba(245, 158, 11, 0.25);
}

.btn-primary:hover {
  background: #fbbf24;
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(245, 158, 11, 0.35);
}

.btn-live-dot {
  width: 8px;
  height: 8px;
  background: #000;
  border-radius: 50%;
  opacity: 0.7;
  animation: heroPulse 2s infinite;
}

@keyframes heroPulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 0.3; }
}

.hero-cta-note {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
}

/* ---- PROBLEM ---- */
.problem {
  padding: 6rem 2rem;
  background: var(--bg-elevated);
}

.problem-inner {
  max-width: 900px;
  margin: 0 auto;
}

.problem-label,
.capabilities-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 1rem;
}

.problem h2,
.capabilities h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 3rem;
  letter-spacing: -0.01em;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.problem-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
}

.card-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  margin-bottom: 1.2rem;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  display: inline-block;
}

.problem-card.old .card-tag {
  background: var(--red-muted);
  color: var(--red-text);
}

.problem-card.new .card-tag {
  background: var(--green-muted);
  color: var(--green-text);
}

.problem-card ul {
  list-style: none;
}

.problem-card li {
  padding: 0.5rem 0;
  padding-left: 1.2rem;
  position: relative;
  color: var(--fg-muted);
  font-size: 0.95rem;
}

.problem-card.old li::before {
  content: '\2715';
  position: absolute;
  left: 0;
  color: var(--red-text);
  font-size: 0.8rem;
}

.problem-card.new li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--green-text);
  font-size: 0.8rem;
}

/* ---- CAPABILITIES ---- */
.capabilities {
  padding: 6rem 2rem;
}

.capabilities-inner {
  max-width: 900px;
  margin: 0 auto;
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.cap-item {
  padding: 1.5rem;
  border-left: 2px solid var(--border);
  transition: border-color 0.3s;
}

.cap-item:hover {
  border-left-color: var(--accent);
}

.cap-number {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--accent-dim);
  margin-bottom: 0.8rem;
}

.cap-item h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.cap-item p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

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

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.closing-text {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.75;
}

/* ---- FOOTER ---- */
.site-footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 900px;
  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: 0.8rem;
  color: var(--fg-muted);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }

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

  .hero {
    min-height: auto;
    padding: 4rem 1.5rem 3rem;
  }

  .hero-stats {
    gap: 1.5rem;
  }

  .stat-divider {
    display: none;
  }

  .hero-stats {
    flex-direction: column;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .problem,
  .capabilities {
    padding: 4rem 1.5rem;
  }

  .closing {
    padding: 5rem 1.5rem;
  }
}